-------------------------------------------------------------------- -------------------------------------------------------------------- Start of test: Mon Sep 28 16:57:02 2020 -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- System running on (uname -a): Linux vld189 3.10.0-1127.19.1.el7.x86_64 #1 SMP Tue Aug 11 19:12:04 EDT 2020 x86_64 x86_64 x86_64 GNU/Linux -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- Performing test: IT-1DVAR-OP -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- Running compiler / platform / module: gfortran_linux / vld189 / ropp_1dvar -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- -------------------------------------------------------------------- Running command / platform: . ./.ropp_test gfortran_linux; ROPP_testing/ropp_1dvar/tools/ropp_1dvar_bangle_gfortran_linux -y ROPP_testing/ropp_test_tmp/IT-FM-OP.nc -b ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc --bg-corr ROPP_testing/ropp_1dvar/errors/ropp_bg_ecmwf_error_corr_L91.nc -o ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc / vld189 -------------------------------------------------------------------- -------------------------------------------------------------------- --------------------------------------------------------------------- ROPP Bending Angle 1D-Var --------------------------------------------------------------------- INFO (from ropp_1dvar_bangle): Reading observation data for profile 1 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 1 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 176.73 max(relative change in state) = - n_iter = 2 J = 110.06 max(relative change in state) = 3.5523 n_iter = 3 J = 100.24 max(relative change in state) = 1.4568 n_iter = 4 J = 99.548 max(relative change in state) = 0.54384 n_iter = 5 J = 99.040 max(relative change in state) = 0.37328 n_iter = 6 J = 98.927 max(relative change in state) = 0.76776E-01 n_iter = 7 J = 98.848 max(relative change in state) = 0.87230E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Writing 1DVar retrieval for profile 1 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 2 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 2 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 106.04 max(relative change in state) = - n_iter = 2 J = 87.372 max(relative change in state) = 0.75083 n_iter = 3 J = 57.171 max(relative change in state) = 2.2674 n_iter = 4 J = 55.385 max(relative change in state) = 0.55871 n_iter = 5 J = 54.860 max(relative change in state) = 0.53835 n_iter = 6 J = 54.308 max(relative change in state) = 0.89968E-01 n_iter = 7 J = 54.269 max(relative change in state) = 0.24967E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 2 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 3 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 3 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 147.16 max(relative change in state) = - n_iter = 2 J = 107.80 max(relative change in state) = 1.0539 n_iter = 3 J = 69.304 max(relative change in state) = 2.0151 n_iter = 4 J = 67.603 max(relative change in state) = 0.64634 n_iter = 5 J = 66.882 max(relative change in state) = 0.45043 n_iter = 6 J = 66.562 max(relative change in state) = 0.13348 n_iter = 7 J = 66.511 max(relative change in state) = 0.23670E-01 n_iter = 8 J = 66.518 max(relative change in state) = 0.18282 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 3 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 4 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 4 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 97.502 max(relative change in state) = - n_iter = 2 J = 80.779 max(relative change in state) = 0.60233 n_iter = 3 J = 55.749 max(relative change in state) = 1.8916 n_iter = 4 J = 54.209 max(relative change in state) = 0.30996 n_iter = 5 J = 57.242 max(relative change in state) = 0.50587 n_iter = 6 J = 54.010 max(relative change in state) = 0.35045 n_iter = 7 J = 53.963 max(relative change in state) = 0.19633E-01 n_iter = 8 J = 53.896 max(relative change in state) = 0.20942 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 4 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 5 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 5 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 5 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 6 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 6 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 14.138 max(relative change in state) = - n_iter = 2 J = 12.139 max(relative change in state) = 0.33071 n_iter = 3 J = 11.063 max(relative change in state) = 0.61604 n_iter = 4 J = 12.816 max(relative change in state) = 0.87169 n_iter = 5 J = 11.068 max(relative change in state) = 0.63484 n_iter = 6 J = 11.001 max(relative change in state) = 0.10084 n_iter = 7 J = 10.981 max(relative change in state) = 0.72158E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 6 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 7 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 7 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 257.45 max(relative change in state) = - n_iter = 2 J = 236.28 max(relative change in state) = 6.5037 n_iter = 3 J = 165.08 max(relative change in state) = 3.5222 n_iter = 4 J = 166.08 max(relative change in state) = 1.5171 n_iter = 5 J = 163.06 max(relative change in state) = 0.71177 n_iter = 6 J = 162.49 max(relative change in state) = 0.36552 n_iter = 7 J = 162.14 max(relative change in state) = 0.25224 n_iter = 8 J = 161.35 max(relative change in state) = 0.31678 n_iter = 9 J = 159.62 max(relative change in state) = 0.41533 n_iter = 10 J = 160.28 max(relative change in state) = 0.15476 n_iter = 11 J = 159.37 max(relative change in state) = 0.11483 n_iter = 12 J = 159.33 max(relative change in state) = 0.15279E-01 n_iter = 13 J = 159.19 max(relative change in state) = 0.15250 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 7 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 8 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 8 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 157.18 max(relative change in state) = - n_iter = 2 J = 111.85 max(relative change in state) = 1.7478 n_iter = 3 J = 97.580 max(relative change in state) = 1.3415 n_iter = 4 J = 95.711 max(relative change in state) = 0.50590 n_iter = 5 J = 99.642 max(relative change in state) = 1.0442 n_iter = 6 J = 95.479 max(relative change in state) = 0.82201 n_iter = 7 J = 95.447 max(relative change in state) = 0.15922E-01 n_iter = 8 J = 95.329 max(relative change in state) = 0.20204 n_iter = 9 J = 95.386 max(relative change in state) = 0.71992E-01 n_iter = 10 J = 95.257 max(relative change in state) = 0.48657E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 8 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 9 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 9 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 23.311 max(relative change in state) = - n_iter = 2 J = 19.572 max(relative change in state) = 0.42637 n_iter = 3 J = 16.385 max(relative change in state) = 0.90950 n_iter = 4 J = 18.390 max(relative change in state) = 1.0219 n_iter = 5 J = 16.279 max(relative change in state) = 0.84939 n_iter = 6 J = 16.251 max(relative change in state) = 0.14391E-01 n_iter = 7 J = 16.129 max(relative change in state) = 0.18732 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 9 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 10 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 10 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.46 max(relative change in state) = - n_iter = 2 J = 83.490 max(relative change in state) = 0.62619 n_iter = 3 J = 51.092 max(relative change in state) = 2.3226 n_iter = 4 J = 49.808 max(relative change in state) = 0.33841 n_iter = 5 J = 49.493 max(relative change in state) = 0.32803 n_iter = 6 J = 49.110 max(relative change in state) = 0.12880 n_iter = 7 J = 49.060 max(relative change in state) = 0.27622E-01 n_iter = 8 J = 49.155 max(relative change in state) = 0.13231 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 10 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 11 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 11 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 75.094 max(relative change in state) = - n_iter = 2 J = 62.864 max(relative change in state) = 0.58979 n_iter = 3 J = 47.532 max(relative change in state) = 1.4797 n_iter = 4 J = 46.172 max(relative change in state) = 0.56631 n_iter = 5 J = 45.884 max(relative change in state) = 0.82619 n_iter = 6 J = 45.324 max(relative change in state) = 0.25904 n_iter = 7 J = 45.219 max(relative change in state) = 0.80421E-01 n_iter = 8 J = 45.255 max(relative change in state) = 0.29783 n_iter = 9 J = 44.957 max(relative change in state) = 0.17953 n_iter = 10 J = 44.707 max(relative change in state) = 0.15411 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 11 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 12 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 12 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 50.609 max(relative change in state) = - n_iter = 2 J = 42.837 max(relative change in state) = 0.51502 n_iter = 3 J = 36.805 max(relative change in state) = 1.1519 n_iter = 4 J = 36.573 max(relative change in state) = 0.29071 n_iter = 5 J = 36.502 max(relative change in state) = 0.48486 n_iter = 6 J = 36.383 max(relative change in state) = 0.16564 n_iter = 7 J = 36.332 max(relative change in state) = 0.89166E-01 n_iter = 8 J = 36.292 max(relative change in state) = 0.83004E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 12 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 13 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 13 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 94.645 max(relative change in state) = - n_iter = 2 J = 82.058 max(relative change in state) = 0.65480 n_iter = 3 J = 58.721 max(relative change in state) = 3.3062 n_iter = 4 J = 58.606 max(relative change in state) = 0.55164 n_iter = 5 J = 57.058 max(relative change in state) = 0.39151 n_iter = 6 J = 56.799 max(relative change in state) = 0.46668 n_iter = 7 J = 55.842 max(relative change in state) = 0.20362 n_iter = 8 J = 55.587 max(relative change in state) = 0.37593 n_iter = 9 J = 54.794 max(relative change in state) = 0.30282 n_iter = 10 J = 53.886 max(relative change in state) = 0.32147 n_iter = 11 J = 54.408 max(relative change in state) = 0.37049 n_iter = 12 J = 53.279 max(relative change in state) = 0.17847 n_iter = 13 J = 53.085 max(relative change in state) = 0.50996E-01 n_iter = 14 J = 52.218 max(relative change in state) = 0.43601 n_iter = 15 J = 53.033 max(relative change in state) = 0.78703 n_iter = 16 J = 51.557 max(relative change in state) = 0.33268 n_iter = 17 J = 51.435 max(relative change in state) = 0.33318E-01 n_iter = 18 J = 51.110 max(relative change in state) = 0.18037 n_iter = 19 J = 50.822 max(relative change in state) = 0.30090 n_iter = 20 J = 50.658 max(relative change in state) = 0.10599 n_iter = 21 J = 50.491 max(relative change in state) = 0.38792 n_iter = 22 J = 50.452 max(relative change in state) = 0.13901 n_iter = 23 J = 50.407 max(relative change in state) = 0.30499E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 23. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 13 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 14 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 14 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 54.720 max(relative change in state) = - n_iter = 2 J = 45.297 max(relative change in state) = 0.56097 n_iter = 3 J = 32.655 max(relative change in state) = 1.3817 n_iter = 4 J = 32.722 max(relative change in state) = 0.69930 n_iter = 5 J = 31.913 max(relative change in state) = 0.37182 n_iter = 6 J = 31.837 max(relative change in state) = 0.15481 n_iter = 7 J = 31.797 max(relative change in state) = 0.91969E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 14 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 15 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 15 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 60.032 max(relative change in state) = - n_iter = 2 J = 49.891 max(relative change in state) = 0.61254 n_iter = 3 J = 42.140 max(relative change in state) = 1.0896 n_iter = 4 J = 43.647 max(relative change in state) = 1.0773 n_iter = 5 J = 41.593 max(relative change in state) = 0.84990 n_iter = 6 J = 41.304 max(relative change in state) = 0.13708 n_iter = 7 J = 40.811 max(relative change in state) = 0.33792 n_iter = 8 J = 40.573 max(relative change in state) = 0.44676 n_iter = 9 J = 40.197 max(relative change in state) = 0.89768E-01 n_iter = 10 J = 40.010 max(relative change in state) = 0.17275 n_iter = 11 J = 39.800 max(relative change in state) = 0.13097 n_iter = 12 J = 39.577 max(relative change in state) = 0.17489 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 15 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 16 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 16 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 199.25 max(relative change in state) = - n_iter = 2 J = 145.90 max(relative change in state) = 4.9657 n_iter = 3 J = 139.91 max(relative change in state) = 1.1137 n_iter = 4 J = 140.59 max(relative change in state) = 1.6811 n_iter = 5 J = 137.17 max(relative change in state) = 0.82741 n_iter = 6 J = 136.15 max(relative change in state) = 0.35873 n_iter = 7 J = 135.93 max(relative change in state) = 0.56477 n_iter = 8 J = 134.42 max(relative change in state) = 0.26447 n_iter = 9 J = 133.68 max(relative change in state) = 0.45550 n_iter = 10 J = 131.94 max(relative change in state) = 0.38147 n_iter = 11 J = 131.32 max(relative change in state) = 0.32072 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 16 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 17 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 17 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 17 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 18 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 18 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 25.790 max(relative change in state) = - n_iter = 2 J = 21.855 max(relative change in state) = 0.34638 n_iter = 3 J = 18.619 max(relative change in state) = 0.48168 n_iter = 4 J = 18.614 max(relative change in state) = 0.32612 n_iter = 5 J = 18.364 max(relative change in state) = 0.20809 n_iter = 6 J = 18.292 max(relative change in state) = 0.42399E-01 n_iter = 7 J = 18.247 max(relative change in state) = 0.30039E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 18 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 19 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 19 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 178.44 max(relative change in state) = - n_iter = 2 J = 112.22 max(relative change in state) = 3.5849 n_iter = 3 J = 102.68 max(relative change in state) = 1.7649 n_iter = 4 J = 113.77 max(relative change in state) = 2.7286 n_iter = 5 J = 101.61 max(relative change in state) = 2.0908 n_iter = 6 J = 101.42 max(relative change in state) = 0.35506E-01 n_iter = 7 J = 100.45 max(relative change in state) = 0.34869 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 19 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 20 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 20 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 20 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 21 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 21 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 21 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 22 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 22 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 22 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 23 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 23 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 23 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 24 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 24 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 24 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 25 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 25 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 148.81 max(relative change in state) = - n_iter = 2 J = 112.49 max(relative change in state) = 1.5829 n_iter = 3 J = 100.42 max(relative change in state) = 1.0497 n_iter = 4 J = 102.79 max(relative change in state) = 1.3641 n_iter = 5 J = 99.883 max(relative change in state) = 0.95446 n_iter = 6 J = 99.747 max(relative change in state) = 0.67465E-01 n_iter = 7 J = 99.269 max(relative change in state) = 0.37425 n_iter = 8 J = 99.057 max(relative change in state) = 0.80721E-01 n_iter = 9 J = 99.022 max(relative change in state) = 0.28981 n_iter = 10 J = 98.966 max(relative change in state) = 0.77155E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 25 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 26 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 26 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 144.51 max(relative change in state) = - n_iter = 2 J = 116.55 max(relative change in state) = 1.6248 n_iter = 3 J = 110.29 max(relative change in state) = 0.79878 n_iter = 4 J = 108.96 max(relative change in state) = 0.31373 n_iter = 5 J = 109.64 max(relative change in state) = 0.55425 n_iter = 6 J = 108.61 max(relative change in state) = 0.29722 n_iter = 7 J = 108.56 max(relative change in state) = 0.15316E-01 n_iter = 8 J = 108.28 max(relative change in state) = 0.21509 n_iter = 9 J = 108.54 max(relative change in state) = 0.43517 n_iter = 10 J = 108.23 max(relative change in state) = 0.31435 n_iter = 11 J = 108.21 max(relative change in state) = 0.15572E-01 n_iter = 12 J = 108.16 max(relative change in state) = 0.91557E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 26 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 27 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 27 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 120.18 max(relative change in state) = - n_iter = 2 J = 101.72 max(relative change in state) = 0.87226 n_iter = 3 J = 82.074 max(relative change in state) = 1.2353 n_iter = 4 J = 86.541 max(relative change in state) = 1.5776 n_iter = 5 J = 81.343 max(relative change in state) = 1.2307 n_iter = 6 J = 81.087 max(relative change in state) = 0.70469E-01 n_iter = 7 J = 80.556 max(relative change in state) = 0.39021 n_iter = 8 J = 80.106 max(relative change in state) = 0.29503 n_iter = 9 J = 79.797 max(relative change in state) = 0.15617 n_iter = 10 J = 79.489 max(relative change in state) = 0.23795 n_iter = 11 J = 79.534 max(relative change in state) = 0.27491 n_iter = 12 J = 79.534 max(relative change in state) = 0.57635E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 27 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 28 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 28 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 114.36 max(relative change in state) = - n_iter = 2 J = 93.950 max(relative change in state) = 0.61311 n_iter = 3 J = 54.198 max(relative change in state) = 2.2050 n_iter = 4 J = 52.706 max(relative change in state) = 0.32746 n_iter = 5 J = 55.027 max(relative change in state) = 0.71594 n_iter = 6 J = 52.430 max(relative change in state) = 0.58179 n_iter = 7 J = 52.358 max(relative change in state) = 0.25372E-01 n_iter = 8 J = 52.135 max(relative change in state) = 0.13255 n_iter = 9 J = 52.138 max(relative change in state) = 0.99317E-01 n_iter = 10 J = 52.099 max(relative change in state) = 0.49000E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 28 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 29 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 29 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 234.61 max(relative change in state) = - n_iter = 2 J = 228.75 max(relative change in state) = 6.1592 n_iter = 3 J = 169.16 max(relative change in state) = 2.9601 n_iter = 4 J = 167.77 max(relative change in state) = 0.77313 n_iter = 5 J = 166.80 max(relative change in state) = 0.45192 n_iter = 6 J = 166.47 max(relative change in state) = 0.20987 n_iter = 7 J = 166.00 max(relative change in state) = 0.20571 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 29 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 30 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 30 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 216.62 max(relative change in state) = - n_iter = 2 J = 194.73 max(relative change in state) = 5.7244 n_iter = 3 J = 160.86 max(relative change in state) = 2.6826 n_iter = 4 J = 159.60 max(relative change in state) = 0.20608 n_iter = 5 J = 160.72 max(relative change in state) = 0.49412 n_iter = 6 J = 158.34 max(relative change in state) = 0.35304 n_iter = 7 J = 157.97 max(relative change in state) = 0.89689E-01 n_iter = 8 J = 158.19 max(relative change in state) = 0.16595 n_iter = 9 J = 157.85 max(relative change in state) = 0.12733 n_iter = 10 J = 157.37 max(relative change in state) = 0.13732 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 30 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 31 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 31 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 117.38 max(relative change in state) = - n_iter = 2 J = 98.269 max(relative change in state) = 0.86759 n_iter = 3 J = 80.653 max(relative change in state) = 1.7765 n_iter = 4 J = 79.796 max(relative change in state) = 0.61383 n_iter = 5 J = 78.662 max(relative change in state) = 0.29910 n_iter = 6 J = 78.516 max(relative change in state) = 0.18421 n_iter = 7 J = 78.394 max(relative change in state) = 0.15312 n_iter = 8 J = 78.236 max(relative change in state) = 0.82464E-01 n_iter = 9 J = 78.274 max(relative change in state) = 0.90482E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 31 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 32 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 32 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 130.75 max(relative change in state) = - n_iter = 2 J = 108.01 max(relative change in state) = 0.72667 n_iter = 3 J = 65.195 max(relative change in state) = 2.2086 n_iter = 4 J = 63.808 max(relative change in state) = 0.26175 n_iter = 5 J = 65.996 max(relative change in state) = 0.40192 n_iter = 6 J = 63.408 max(relative change in state) = 0.22771 n_iter = 7 J = 63.349 max(relative change in state) = 0.19149E-01 n_iter = 8 J = 63.191 max(relative change in state) = 0.15001 n_iter = 9 J = 63.070 max(relative change in state) = 0.13846 n_iter = 10 J = 62.983 max(relative change in state) = 0.15171 n_iter = 11 J = 62.914 max(relative change in state) = 0.96246E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 32 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 33 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 33 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 93.335 max(relative change in state) = - n_iter = 2 J = 77.366 max(relative change in state) = 0.65837 n_iter = 3 J = 54.706 max(relative change in state) = 1.5830 n_iter = 4 J = 53.210 max(relative change in state) = 0.30870 n_iter = 5 J = 55.391 max(relative change in state) = 0.65782 n_iter = 6 J = 52.779 max(relative change in state) = 0.47847 n_iter = 7 J = 52.681 max(relative change in state) = 0.26545E-01 n_iter = 8 J = 52.381 max(relative change in state) = 0.17222 n_iter = 9 J = 52.414 max(relative change in state) = 0.14415 n_iter = 10 J = 52.235 max(relative change in state) = 0.82962E-01 n_iter = 11 J = 52.192 max(relative change in state) = 0.21132E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 33 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 34 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 34 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 29.471 max(relative change in state) = - n_iter = 2 J = 24.243 max(relative change in state) = 0.26216 n_iter = 3 J = 14.344 max(relative change in state) = 0.98826 n_iter = 4 J = 13.402 max(relative change in state) = 0.17362 n_iter = 5 J = 15.666 max(relative change in state) = 0.78473 n_iter = 6 J = 13.277 max(relative change in state) = 0.51897 n_iter = 7 J = 13.169 max(relative change in state) = 0.10735 n_iter = 8 J = 13.121 max(relative change in state) = 0.10596 n_iter = 9 J = 13.095 max(relative change in state) = 0.31201E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 34 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 35 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 35 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 100.38 max(relative change in state) = - n_iter = 2 J = 83.331 max(relative change in state) = 0.67846 n_iter = 3 J = 59.866 max(relative change in state) = 2.1810 n_iter = 4 J = 58.963 max(relative change in state) = 0.44476 n_iter = 5 J = 58.273 max(relative change in state) = 0.31791 n_iter = 6 J = 58.183 max(relative change in state) = 0.37713E-01 n_iter = 7 J = 58.077 max(relative change in state) = 0.81573E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 35 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 36 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 36 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 94.965 max(relative change in state) = - n_iter = 2 J = 78.680 max(relative change in state) = 0.66743 n_iter = 3 J = 56.615 max(relative change in state) = 1.3949 n_iter = 4 J = 57.781 max(relative change in state) = 1.3811 n_iter = 5 J = 54.893 max(relative change in state) = 0.82571 n_iter = 6 J = 54.688 max(relative change in state) = 0.20299 n_iter = 7 J = 54.505 max(relative change in state) = 0.23968 n_iter = 8 J = 54.290 max(relative change in state) = 0.10226 n_iter = 9 J = 54.089 max(relative change in state) = 0.56576 n_iter = 10 J = 53.843 max(relative change in state) = 0.38193 n_iter = 11 J = 53.793 max(relative change in state) = 0.62550E-01 n_iter = 12 J = 53.770 max(relative change in state) = 0.25784E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 36 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 37 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 37 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 74.906 max(relative change in state) = - n_iter = 2 J = 61.570 max(relative change in state) = 0.47816 n_iter = 3 J = 34.924 max(relative change in state) = 1.8481 n_iter = 4 J = 33.059 max(relative change in state) = 0.40880 n_iter = 5 J = 34.095 max(relative change in state) = 0.62443 n_iter = 6 J = 32.476 max(relative change in state) = 0.34015 n_iter = 7 J = 32.411 max(relative change in state) = 0.17212E-01 n_iter = 8 J = 32.221 max(relative change in state) = 0.22311 n_iter = 9 J = 32.178 max(relative change in state) = 0.11056 n_iter = 10 J = 32.148 max(relative change in state) = 0.11600 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 37 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 38 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 38 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 70.873 max(relative change in state) = - n_iter = 2 J = 59.169 max(relative change in state) = 0.62820 n_iter = 3 J = 42.501 max(relative change in state) = 2.2776 n_iter = 4 J = 41.348 max(relative change in state) = 0.60221 n_iter = 5 J = 41.568 max(relative change in state) = 0.89706 n_iter = 6 J = 40.884 max(relative change in state) = 0.39568 n_iter = 7 J = 40.835 max(relative change in state) = 0.21197E-01 n_iter = 8 J = 40.801 max(relative change in state) = 0.21363 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 38 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 39 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 39 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 149.08 max(relative change in state) = - n_iter = 2 J = 106.78 max(relative change in state) = 1.1161 n_iter = 3 J = 61.995 max(relative change in state) = 3.4015 n_iter = 4 J = 61.652 max(relative change in state) = 0.74160 n_iter = 5 J = 60.605 max(relative change in state) = 0.39972 n_iter = 6 J = 60.446 max(relative change in state) = 0.21643 n_iter = 7 J = 60.286 max(relative change in state) = 0.18735 n_iter = 8 J = 60.140 max(relative change in state) = 0.81964E-01 n_iter = 9 J = 59.946 max(relative change in state) = 0.18972 n_iter = 10 J = 59.894 max(relative change in state) = 0.56783E-01 n_iter = 11 J = 59.872 max(relative change in state) = 0.39856E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 39 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 40 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 40 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 238.42 max(relative change in state) = - n_iter = 2 J = 138.33 max(relative change in state) = 5.3890 n_iter = 3 J = 125.94 max(relative change in state) = 1.2229 n_iter = 4 J = 134.06 max(relative change in state) = 1.4867 n_iter = 5 J = 126.62 max(relative change in state) = 0.83399 n_iter = 6 J = 123.93 max(relative change in state) = 0.35344 n_iter = 7 J = 123.70 max(relative change in state) = 0.62236E-01 n_iter = 8 J = 122.58 max(relative change in state) = 0.58870 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 40 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 41 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 41 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 70.779 max(relative change in state) = - n_iter = 2 J = 58.672 max(relative change in state) = 0.52871 n_iter = 3 J = 41.407 max(relative change in state) = 1.4630 n_iter = 4 J = 39.642 max(relative change in state) = 0.42088 n_iter = 5 J = 40.625 max(relative change in state) = 0.79551 n_iter = 6 J = 39.127 max(relative change in state) = 0.43537 n_iter = 7 J = 39.052 max(relative change in state) = 0.18878E-01 n_iter = 8 J = 38.780 max(relative change in state) = 0.23861 n_iter = 9 J = 38.728 max(relative change in state) = 0.20898 n_iter = 10 J = 38.659 max(relative change in state) = 0.15566 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 41 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 42 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 42 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 272.19 max(relative change in state) = - n_iter = 2 J = 175.90 max(relative change in state) = 5.4732 n_iter = 3 J = 148.53 max(relative change in state) = 2.2678 n_iter = 4 J = 146.52 max(relative change in state) = 0.69110 n_iter = 5 J = 145.13 max(relative change in state) = 0.42658 n_iter = 6 J = 144.80 max(relative change in state) = 0.16237 n_iter = 7 J = 144.18 max(relative change in state) = 0.16892 n_iter = 8 J = 143.80 max(relative change in state) = 0.70242E-01 n_iter = 9 J = 143.49 max(relative change in state) = 0.17374 n_iter = 10 J = 143.36 max(relative change in state) = 0.10012 n_iter = 11 J = 143.30 max(relative change in state) = 0.92883E-01 n_iter = 12 J = 143.26 max(relative change in state) = 0.62898E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 42 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 43 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 43 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.709 max(relative change in state) = - n_iter = 2 J = 58.739 max(relative change in state) = 0.48522 n_iter = 3 J = 31.083 max(relative change in state) = 2.2300 n_iter = 4 J = 30.226 max(relative change in state) = 0.28728 n_iter = 5 J = 29.931 max(relative change in state) = 0.47490 n_iter = 6 J = 29.665 max(relative change in state) = 0.11364 n_iter = 7 J = 29.637 max(relative change in state) = 0.22161E-01 n_iter = 8 J = 29.586 max(relative change in state) = 0.11011 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 43 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 44 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 44 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 85.948 max(relative change in state) = - n_iter = 2 J = 71.923 max(relative change in state) = 0.67413 n_iter = 3 J = 57.011 max(relative change in state) = 1.4029 n_iter = 4 J = 57.634 max(relative change in state) = 0.90701 n_iter = 5 J = 56.124 max(relative change in state) = 0.55019 n_iter = 6 J = 55.996 max(relative change in state) = 0.15213 n_iter = 7 J = 55.909 max(relative change in state) = 0.16476 n_iter = 8 J = 55.793 max(relative change in state) = 0.81126E-01 n_iter = 9 J = 55.547 max(relative change in state) = 0.26501 n_iter = 10 J = 55.529 max(relative change in state) = 0.17784 n_iter = 11 J = 55.435 max(relative change in state) = 0.47427E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 44 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 45 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 45 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 77.496 max(relative change in state) = - n_iter = 2 J = 63.938 max(relative change in state) = 0.46996 n_iter = 3 J = 38.376 max(relative change in state) = 1.9046 n_iter = 4 J = 46.538 max(relative change in state) = 2.2376 n_iter = 5 J = 37.660 max(relative change in state) = 1.7841 n_iter = 6 J = 37.468 max(relative change in state) = 0.33898E-01 n_iter = 7 J = 36.736 max(relative change in state) = 0.41070 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 45 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 46 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 46 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 222.81 max(relative change in state) = - n_iter = 2 J = 102.00 max(relative change in state) = 3.5470 n_iter = 3 J = 85.143 max(relative change in state) = 1.5725 n_iter = 4 J = 86.226 max(relative change in state) = 1.1854 n_iter = 5 J = 82.857 max(relative change in state) = 0.74297 n_iter = 6 J = 82.667 max(relative change in state) = 0.19973 n_iter = 7 J = 82.536 max(relative change in state) = 0.17627 n_iter = 8 J = 82.317 max(relative change in state) = 0.14517 n_iter = 9 J = 81.817 max(relative change in state) = 0.25432 n_iter = 10 J = 81.995 max(relative change in state) = 0.11868 n_iter = 11 J = 81.703 max(relative change in state) = 0.64395E-01 n_iter = 12 J = 81.680 max(relative change in state) = 0.12120E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 46 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 47 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 47 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 175.00 max(relative change in state) = - n_iter = 2 J = 128.23 max(relative change in state) = 3.0749 n_iter = 3 J = 119.91 max(relative change in state) = 0.95679 n_iter = 4 J = 119.71 max(relative change in state) = 0.70278 n_iter = 5 J = 118.21 max(relative change in state) = 0.35265 n_iter = 6 J = 117.99 max(relative change in state) = 0.21195 n_iter = 7 J = 117.89 max(relative change in state) = 0.91346E-01 n_iter = 8 J = 117.53 max(relative change in state) = 0.15649 n_iter = 9 J = 117.35 max(relative change in state) = 0.32868 n_iter = 10 J = 117.24 max(relative change in state) = 0.47664E-01 n_iter = 11 J = 117.17 max(relative change in state) = 0.10504 n_iter = 12 J = 117.14 max(relative change in state) = 0.79651E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 47 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 48 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 48 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 60.568 max(relative change in state) = - n_iter = 2 J = 50.715 max(relative change in state) = 0.62558 n_iter = 3 J = 41.868 max(relative change in state) = 1.0401 n_iter = 4 J = 42.906 max(relative change in state) = 0.91013 n_iter = 5 J = 41.556 max(relative change in state) = 0.65013 n_iter = 6 J = 41.495 max(relative change in state) = 0.64805E-01 n_iter = 7 J = 41.343 max(relative change in state) = 0.21694 n_iter = 8 J = 41.251 max(relative change in state) = 0.10426 n_iter = 9 J = 41.325 max(relative change in state) = 0.28131 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 48 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 49 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 49 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 99.570 max(relative change in state) = - n_iter = 2 J = 84.023 max(relative change in state) = 0.80441 n_iter = 3 J = 73.567 max(relative change in state) = 1.2554 n_iter = 4 J = 73.642 max(relative change in state) = 0.81894 n_iter = 5 J = 72.504 max(relative change in state) = 0.46496 n_iter = 6 J = 72.414 max(relative change in state) = 0.17486 n_iter = 7 J = 72.364 max(relative change in state) = 0.10933 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 49 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 50 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 50 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 140.03 max(relative change in state) = - n_iter = 2 J = 112.10 max(relative change in state) = 0.94367 n_iter = 3 J = 76.067 max(relative change in state) = 2.3151 n_iter = 4 J = 71.924 max(relative change in state) = 1.0307 n_iter = 5 J = 73.962 max(relative change in state) = 1.1045 n_iter = 6 J = 71.449 max(relative change in state) = 0.73809 n_iter = 7 J = 71.345 max(relative change in state) = 0.29204E-01 n_iter = 8 J = 71.106 max(relative change in state) = 0.11990 n_iter = 9 J = 71.228 max(relative change in state) = 0.17277 n_iter = 10 J = 70.955 max(relative change in state) = 0.10869 n_iter = 11 J = 70.915 max(relative change in state) = 0.18953E-01 n_iter = 12 J = 70.884 max(relative change in state) = 0.92345E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 50 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 51 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 51 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 51 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 52 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 52 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 65.503 max(relative change in state) = - n_iter = 2 J = 54.056 max(relative change in state) = 0.44665 n_iter = 3 J = 36.779 max(relative change in state) = 1.6108 n_iter = 4 J = 46.911 max(relative change in state) = 2.6638 n_iter = 5 J = 36.450 max(relative change in state) = 2.2580 n_iter = 6 J = 36.392 max(relative change in state) = 0.21739E-01 n_iter = 7 J = 36.218 max(relative change in state) = 0.25251 n_iter = 8 J = 36.362 max(relative change in state) = 0.25079 n_iter = 9 J = 36.074 max(relative change in state) = 0.16170 n_iter = 10 J = 36.058 max(relative change in state) = 0.16707E-01 n_iter = 11 J = 36.047 max(relative change in state) = 0.14820 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 52 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 53 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 53 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 53.043 max(relative change in state) = - n_iter = 2 J = 44.299 max(relative change in state) = 0.48148 n_iter = 3 J = 35.847 max(relative change in state) = 1.0290 n_iter = 4 J = 35.852 max(relative change in state) = 0.28666 n_iter = 5 J = 35.343 max(relative change in state) = 0.17944 n_iter = 6 J = 35.306 max(relative change in state) = 0.65005E-01 n_iter = 7 J = 35.295 max(relative change in state) = 0.19566E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 53 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 54 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 54 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 413.97 max(relative change in state) = - n_iter = 2 J = 337.90 max(relative change in state) = 10.633 n_iter = 3 J = 226.74 max(relative change in state) = 4.6216 n_iter = 4 J = 220.87 max(relative change in state) = 0.60580 n_iter = 5 J = 220.94 max(relative change in state) = 1.0233 n_iter = 6 J = 216.36 max(relative change in state) = 0.47296 n_iter = 7 J = 216.00 max(relative change in state) = 0.10742 n_iter = 8 J = 215.48 max(relative change in state) = 0.46645 n_iter = 9 J = 215.32 max(relative change in state) = 0.21977 n_iter = 10 J = 215.10 max(relative change in state) = 0.10130 n_iter = 11 J = 215.02 max(relative change in state) = 0.34465E-01 n_iter = 12 J = 214.79 max(relative change in state) = 0.12725 n_iter = 13 J = 214.70 max(relative change in state) = 0.24754 n_iter = 14 J = 214.47 max(relative change in state) = 0.84319E-01 n_iter = 15 J = 214.41 max(relative change in state) = 0.50715E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 54 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 55 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 55 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 336.98 max(relative change in state) = - n_iter = 2 J = 1014.3 max(relative change in state) = 11.956 n_iter = 3 J = 286.04 max(relative change in state) = 10.109 n_iter = 4 J = 294.44 max(relative change in state) = 2.2589 n_iter = 5 J = 284.62 max(relative change in state) = 1.6594 n_iter = 6 J = 284.23 max(relative change in state) = 0.52336E-01 n_iter = 7 J = 281.78 max(relative change in state) = 0.40129 n_iter = 8 J = 282.25 max(relative change in state) = 0.78576 n_iter = 9 J = 281.33 max(relative change in state) = 0.46885 n_iter = 10 J = 281.26 max(relative change in state) = 0.84503E-01 n_iter = 11 J = 281.12 max(relative change in state) = 0.16822 n_iter = 12 J = 281.04 max(relative change in state) = 0.13758 n_iter = 13 J = 281.02 max(relative change in state) = 0.44750E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 55 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 56 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 56 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 153.69 max(relative change in state) = - n_iter = 2 J = 105.94 max(relative change in state) = 1.1862 n_iter = 3 J = 76.200 max(relative change in state) = 1.9667 n_iter = 4 J = 81.004 max(relative change in state) = 1.3975 n_iter = 5 J = 75.432 max(relative change in state) = 1.0728 n_iter = 6 J = 75.303 max(relative change in state) = 0.55003E-01 n_iter = 7 J = 74.937 max(relative change in state) = 0.19354 n_iter = 8 J = 74.824 max(relative change in state) = 0.18321 n_iter = 9 J = 74.741 max(relative change in state) = 0.46366E-01 n_iter = 10 J = 74.704 max(relative change in state) = 0.41641E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 56 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 57 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 57 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 141.02 max(relative change in state) = - n_iter = 2 J = 110.55 max(relative change in state) = 0.83333 n_iter = 3 J = 68.649 max(relative change in state) = 2.7478 n_iter = 4 J = 67.207 max(relative change in state) = 0.40951 n_iter = 5 J = 66.229 max(relative change in state) = 0.34637 n_iter = 6 J = 66.006 max(relative change in state) = 0.16684 n_iter = 7 J = 65.900 max(relative change in state) = 0.60647E-01 n_iter = 8 J = 65.753 max(relative change in state) = 0.25957 n_iter = 9 J = 65.739 max(relative change in state) = 0.16137 n_iter = 10 J = 65.682 max(relative change in state) = 0.90992E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 57 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 58 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 58 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 42.859 max(relative change in state) = - n_iter = 2 J = 35.883 max(relative change in state) = 0.52583 n_iter = 3 J = 29.533 max(relative change in state) = 1.2661 n_iter = 4 J = 29.530 max(relative change in state) = 0.40990 n_iter = 5 J = 29.046 max(relative change in state) = 0.22854 n_iter = 6 J = 29.010 max(relative change in state) = 0.95174E-01 n_iter = 7 J = 28.998 max(relative change in state) = 0.42105E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 58 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 59 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 59 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 107.64 max(relative change in state) = - n_iter = 2 J = 89.610 max(relative change in state) = 0.64571 n_iter = 3 J = 59.406 max(relative change in state) = 2.4280 n_iter = 4 J = 60.840 max(relative change in state) = 1.3600 n_iter = 5 J = 58.127 max(relative change in state) = 0.93293 n_iter = 6 J = 57.910 max(relative change in state) = 0.22110 n_iter = 7 J = 57.519 max(relative change in state) = 0.23903 n_iter = 8 J = 56.971 max(relative change in state) = 0.39225 n_iter = 9 J = 57.394 max(relative change in state) = 0.41431 n_iter = 10 J = 56.602 max(relative change in state) = 0.15488 n_iter = 11 J = 56.565 max(relative change in state) = 0.62636E-01 n_iter = 12 J = 56.515 max(relative change in state) = 0.10294 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 59 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 60 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 60 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 92.401 max(relative change in state) = - n_iter = 2 J = 77.300 max(relative change in state) = 0.77890 n_iter = 3 J = 49.897 max(relative change in state) = 3.2034 n_iter = 4 J = 55.757 max(relative change in state) = 1.8637 n_iter = 5 J = 49.020 max(relative change in state) = 1.4483 n_iter = 6 J = 48.819 max(relative change in state) = 0.12903 n_iter = 7 J = 48.724 max(relative change in state) = 0.37905 n_iter = 8 J = 48.453 max(relative change in state) = 0.16259 n_iter = 9 J = 48.445 max(relative change in state) = 0.36273 n_iter = 10 J = 48.204 max(relative change in state) = 0.16881 n_iter = 11 J = 48.257 max(relative change in state) = 0.26696 n_iter = 12 J = 48.062 max(relative change in state) = 0.18933 n_iter = 13 J = 47.957 max(relative change in state) = 0.19868 n_iter = 14 J = 47.765 max(relative change in state) = 0.15903 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 60 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 61 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 61 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 77.212 max(relative change in state) = - n_iter = 2 J = 63.470 max(relative change in state) = 0.46282 n_iter = 3 J = 40.085 max(relative change in state) = 1.9179 n_iter = 4 J = 39.698 max(relative change in state) = 0.16006 n_iter = 5 J = 39.733 max(relative change in state) = 0.18552 n_iter = 6 J = 39.542 max(relative change in state) = 0.73266E-01 n_iter = 7 J = 39.525 max(relative change in state) = 0.17118E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 61 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 62 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 62 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 62 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 63 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 63 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 32.250 max(relative change in state) = - n_iter = 2 J = 26.488 max(relative change in state) = 0.37914 n_iter = 3 J = 15.816 max(relative change in state) = 1.4877 n_iter = 4 J = 15.513 max(relative change in state) = 0.12804 n_iter = 5 J = 15.980 max(relative change in state) = 0.76294 n_iter = 6 J = 15.377 max(relative change in state) = 0.62676 n_iter = 7 J = 15.363 max(relative change in state) = 0.34971E-01 n_iter = 8 J = 15.345 max(relative change in state) = 0.97151E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 63 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 64 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 64 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 98.953 max(relative change in state) = - n_iter = 2 J = 81.888 max(relative change in state) = 0.89754 n_iter = 3 J = 59.567 max(relative change in state) = 2.7337 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 64 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 65 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 65 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 105.59 max(relative change in state) = - n_iter = 2 J = 89.800 max(relative change in state) = 0.87413 n_iter = 3 J = 77.814 max(relative change in state) = 1.9377 n_iter = 4 J = 76.852 max(relative change in state) = 0.49173 n_iter = 5 J = 76.594 max(relative change in state) = 0.54602 n_iter = 6 J = 76.230 max(relative change in state) = 0.11972 n_iter = 7 J = 76.158 max(relative change in state) = 0.25816E-01 n_iter = 8 J = 75.958 max(relative change in state) = 0.13174 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 65 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 66 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 66 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 435.64 max(relative change in state) = - n_iter = 2 J = 236.22 max(relative change in state) = 8.9074 n_iter = 3 J = 187.35 max(relative change in state) = 2.6740 n_iter = 4 J = 186.35 max(relative change in state) = 1.3983 n_iter = 5 J = 182.33 max(relative change in state) = 0.68380 n_iter = 6 J = 181.71 max(relative change in state) = 0.40691 n_iter = 7 J = 181.31 max(relative change in state) = 0.24884 n_iter = 8 J = 180.32 max(relative change in state) = 0.20607 n_iter = 9 J = 179.92 max(relative change in state) = 0.28547 n_iter = 10 J = 179.78 max(relative change in state) = 0.11392 n_iter = 11 J = 179.73 max(relative change in state) = 0.50460E-01 n_iter = 12 J = 179.59 max(relative change in state) = 0.11029 n_iter = 13 J = 179.58 max(relative change in state) = 0.93157E-01 n_iter = 14 J = 179.55 max(relative change in state) = 0.28033E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 66 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 67 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 67 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 67 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 68 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 68 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 109.65 max(relative change in state) = - n_iter = 2 J = 90.019 max(relative change in state) = 0.70980 n_iter = 3 J = 53.011 max(relative change in state) = 3.0639 n_iter = 4 J = 52.529 max(relative change in state) = 0.25015 n_iter = 5 J = 52.837 max(relative change in state) = 0.27580 n_iter = 6 J = 52.408 max(relative change in state) = 0.17325 n_iter = 7 J = 52.393 max(relative change in state) = 0.11966E-01 n_iter = 8 J = 52.352 max(relative change in state) = 0.12381 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 68 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 69 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 69 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 234.35 max(relative change in state) = - n_iter = 2 J = 144.62 max(relative change in state) = 4.1100 n_iter = 3 J = 125.63 max(relative change in state) = 1.3745 n_iter = 4 J = 128.87 max(relative change in state) = 1.7800 n_iter = 5 J = 123.47 max(relative change in state) = 1.1255 n_iter = 6 J = 123.20 max(relative change in state) = 0.15606 n_iter = 7 J = 122.67 max(relative change in state) = 0.39470 n_iter = 8 J = 122.22 max(relative change in state) = 0.12101 n_iter = 9 J = 122.75 max(relative change in state) = 1.0247 n_iter = 10 J = 121.89 max(relative change in state) = 0.62285 n_iter = 11 J = 121.85 max(relative change in state) = 0.14032 n_iter = 12 J = 121.83 max(relative change in state) = 0.36433E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 69 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 70 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 70 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 131.44 max(relative change in state) = - n_iter = 2 J = 108.53 max(relative change in state) = 0.64638 n_iter = 3 J = 73.508 max(relative change in state) = 2.3167 n_iter = 4 J = 76.625 max(relative change in state) = 1.3335 n_iter = 5 J = 72.618 max(relative change in state) = 0.97476 n_iter = 6 J = 72.458 max(relative change in state) = 0.87998E-01 n_iter = 7 J = 72.023 max(relative change in state) = 0.31753 n_iter = 8 J = 71.798 max(relative change in state) = 0.10791 n_iter = 9 J = 71.752 max(relative change in state) = 0.28420 n_iter = 10 J = 71.664 max(relative change in state) = 0.69693E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 70 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 71 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 71 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 192.52 max(relative change in state) = - n_iter = 2 J = 102.52 max(relative change in state) = 3.2210 n_iter = 3 J = 83.371 max(relative change in state) = 1.2379 n_iter = 4 J = 79.897 max(relative change in state) = 0.56165 n_iter = 5 J = 84.552 max(relative change in state) = 0.87558 n_iter = 6 J = 79.359 max(relative change in state) = 0.64107 n_iter = 7 J = 79.284 max(relative change in state) = 0.18491E-01 n_iter = 8 J = 78.912 max(relative change in state) = 0.22768 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 71 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 72 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 72 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 162.10 max(relative change in state) = - n_iter = 2 J = 110.16 max(relative change in state) = 2.1848 n_iter = 3 J = 92.786 max(relative change in state) = 1.1729 n_iter = 4 J = 109.47 max(relative change in state) = 2.9107 n_iter = 5 J = 92.005 max(relative change in state) = 2.4810 n_iter = 6 J = 91.739 max(relative change in state) = 0.32684E-01 n_iter = 7 J = 91.260 max(relative change in state) = 0.37139 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 72 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 73 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 73 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 42.244 max(relative change in state) = - n_iter = 2 J = 34.864 max(relative change in state) = 0.55309 n_iter = 3 J = 23.275 max(relative change in state) = 1.8116 n_iter = 4 J = 23.576 max(relative change in state) = 0.62514 n_iter = 5 J = 22.729 max(relative change in state) = 0.37153 n_iter = 6 J = 22.664 max(relative change in state) = 0.10848 n_iter = 7 J = 22.623 max(relative change in state) = 0.99128E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 73 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 74 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 74 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 196.98 max(relative change in state) = - n_iter = 2 J = 123.31 max(relative change in state) = 3.9832 n_iter = 3 J = 116.51 max(relative change in state) = 0.98601 n_iter = 4 J = 115.01 max(relative change in state) = 0.45763 n_iter = 5 J = 114.96 max(relative change in state) = 0.56801 n_iter = 6 J = 114.35 max(relative change in state) = 0.16620 n_iter = 7 J = 114.32 max(relative change in state) = 0.13382E-01 n_iter = 8 J = 114.14 max(relative change in state) = 0.14752 n_iter = 9 J = 114.05 max(relative change in state) = 0.15124 n_iter = 10 J = 113.97 max(relative change in state) = 0.12526 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 74 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 75 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 75 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 227.82 max(relative change in state) = - n_iter = 2 J = 148.07 max(relative change in state) = 4.8792 n_iter = 3 J = 130.39 max(relative change in state) = 1.0616 n_iter = 4 J = 125.06 max(relative change in state) = 0.78975 n_iter = 5 J = 125.63 max(relative change in state) = 0.98731 n_iter = 6 J = 123.03 max(relative change in state) = 0.36270 n_iter = 7 J = 122.79 max(relative change in state) = 0.61578E-01 n_iter = 8 J = 122.32 max(relative change in state) = 0.31348 n_iter = 9 J = 122.40 max(relative change in state) = 0.99295E-01 n_iter = 10 J = 122.09 max(relative change in state) = 0.63471E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 75 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 76 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 76 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.628 max(relative change in state) = - n_iter = 2 J = 67.136 max(relative change in state) = 0.51253 n_iter = 3 J = 50.393 max(relative change in state) = 1.4645 n_iter = 4 J = 50.385 max(relative change in state) = 0.70228 n_iter = 5 J = 49.231 max(relative change in state) = 0.45054 n_iter = 6 J = 49.181 max(relative change in state) = 0.12380 n_iter = 7 J = 49.148 max(relative change in state) = 0.97936E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 76 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 77 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 77 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 305.62 max(relative change in state) = - n_iter = 2 J = 210.57 max(relative change in state) = 6.6494 n_iter = 3 J = 160.26 max(relative change in state) = 2.4202 n_iter = 4 J = 155.03 max(relative change in state) = 0.95147 n_iter = 5 J = 151.60 max(relative change in state) = 1.0601 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 77 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 78 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 78 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 131.29 max(relative change in state) = - n_iter = 2 J = 108.11 max(relative change in state) = 0.75750 n_iter = 3 J = 72.166 max(relative change in state) = 2.6275 n_iter = 4 J = 66.730 max(relative change in state) = 0.61268 n_iter = 5 J = 75.135 max(relative change in state) = 1.1646 n_iter = 6 J = 65.847 max(relative change in state) = 0.93741 n_iter = 7 J = 65.553 max(relative change in state) = 0.31383E-01 n_iter = 8 J = 63.287 max(relative change in state) = 0.50135 n_iter = 9 J = 62.758 max(relative change in state) = 0.23921 n_iter = 10 J = 62.668 max(relative change in state) = 0.11801 n_iter = 11 J = 62.862 max(relative change in state) = 0.10302 n_iter = 12 J = 62.647 max(relative change in state) = 0.71689E-01 n_iter = 13 J = 62.644 max(relative change in state) = 0.75415E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 78 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 79 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 79 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 38.505 max(relative change in state) = - n_iter = 2 J = 32.787 max(relative change in state) = 0.44811 n_iter = 3 J = 28.346 max(relative change in state) = 0.75999 n_iter = 4 J = 27.364 max(relative change in state) = 0.64029 n_iter = 5 J = 27.690 max(relative change in state) = 0.21416 n_iter = 6 J = 27.157 max(relative change in state) = 0.84397E-01 n_iter = 7 J = 27.141 max(relative change in state) = 0.26575E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 79 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 80 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 80 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 138.11 max(relative change in state) = - n_iter = 2 J = 115.64 max(relative change in state) = 1.0036 n_iter = 3 J = 94.138 max(relative change in state) = 1.7014 n_iter = 4 J = 101.13 max(relative change in state) = 2.2565 n_iter = 5 J = 93.095 max(relative change in state) = 1.7426 n_iter = 6 J = 92.840 max(relative change in state) = 0.10675 n_iter = 7 J = 92.231 max(relative change in state) = 0.47981 n_iter = 8 J = 92.032 max(relative change in state) = 0.40304 n_iter = 9 J = 91.908 max(relative change in state) = 0.46535E-01 n_iter = 10 J = 91.944 max(relative change in state) = 0.24048 n_iter = 11 J = 91.836 max(relative change in state) = 0.13197 n_iter = 12 J = 91.739 max(relative change in state) = 0.91323E-01 n_iter = 13 J = 91.600 max(relative change in state) = 0.10994 n_iter = 14 J = 91.518 max(relative change in state) = 0.15332 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 80 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 81 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 81 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 76.963 max(relative change in state) = - n_iter = 2 J = 63.763 max(relative change in state) = 0.73983 n_iter = 3 J = 40.772 max(relative change in state) = 2.9074 n_iter = 4 J = 51.085 max(relative change in state) = 2.5966 n_iter = 5 J = 40.083 max(relative change in state) = 2.1506 n_iter = 6 J = 39.943 max(relative change in state) = 0.61465E-01 n_iter = 7 J = 39.657 max(relative change in state) = 0.20485 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 81 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 82 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 82 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.61 max(relative change in state) = - n_iter = 2 J = 90.404 max(relative change in state) = 0.65991 n_iter = 3 J = 68.966 max(relative change in state) = 2.4557 n_iter = 4 J = 71.285 max(relative change in state) = 1.5036 n_iter = 5 J = 67.607 max(relative change in state) = 1.1536 n_iter = 6 J = 67.457 max(relative change in state) = 0.11842 n_iter = 7 J = 67.110 max(relative change in state) = 0.40491 n_iter = 8 J = 66.914 max(relative change in state) = 0.26040 n_iter = 9 J = 66.832 max(relative change in state) = 0.15952 n_iter = 10 J = 66.964 max(relative change in state) = 0.69608E-01 n_iter = 11 J = 66.861 max(relative change in state) = 0.16438 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 82 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 83 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 83 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.076 max(relative change in state) = - n_iter = 2 J = 66.256 max(relative change in state) = 0.54032 n_iter = 3 J = 44.691 max(relative change in state) = 1.4921 n_iter = 4 J = 47.272 max(relative change in state) = 1.6221 n_iter = 5 J = 43.072 max(relative change in state) = 1.0455 n_iter = 6 J = 42.835 max(relative change in state) = 0.15494 n_iter = 7 J = 42.434 max(relative change in state) = 0.36264 n_iter = 8 J = 42.104 max(relative change in state) = 0.11648 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 83 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 84 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 84 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 14 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 176.89 max(relative change in state) = - n_iter = 2 J = 134.75 max(relative change in state) = 2.6215 n_iter = 3 J = 123.86 max(relative change in state) = 0.96771 n_iter = 4 J = 121.83 max(relative change in state) = 0.47830 n_iter = 5 J = 121.91 max(relative change in state) = 0.64785 n_iter = 6 J = 120.90 max(relative change in state) = 0.23477 n_iter = 7 J = 120.73 max(relative change in state) = 0.45670E-01 n_iter = 8 J = 120.65 max(relative change in state) = 0.19843 n_iter = 9 J = 120.46 max(relative change in state) = 0.71908E-01 n_iter = 10 J = 120.30 max(relative change in state) = 0.12025 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 84 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 85 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 85 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 96.652 max(relative change in state) = - n_iter = 2 J = 81.814 max(relative change in state) = 0.69215 n_iter = 3 J = 60.296 max(relative change in state) = 2.3454 n_iter = 4 J = 59.957 max(relative change in state) = 0.27890 n_iter = 5 J = 59.396 max(relative change in state) = 0.25413 n_iter = 6 J = 59.163 max(relative change in state) = 0.44170E-01 n_iter = 7 J = 59.018 max(relative change in state) = 0.17144 n_iter = 8 J = 58.900 max(relative change in state) = 0.65919E-01 n_iter = 9 J = 58.839 max(relative change in state) = 0.75505E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 85 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 86 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 86 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 197.83 max(relative change in state) = - n_iter = 2 J = 177.33 max(relative change in state) = 4.4345 n_iter = 3 J = 148.54 max(relative change in state) = 2.0607 n_iter = 4 J = 151.48 max(relative change in state) = 1.6365 n_iter = 5 J = 147.52 max(relative change in state) = 1.1123 n_iter = 6 J = 147.29 max(relative change in state) = 0.94393E-01 n_iter = 7 J = 146.28 max(relative change in state) = 0.46194 n_iter = 8 J = 145.70 max(relative change in state) = 0.23048 n_iter = 9 J = 145.62 max(relative change in state) = 0.19618 n_iter = 10 J = 145.49 max(relative change in state) = 0.55781E-01 n_iter = 11 J = 145.44 max(relative change in state) = 0.55078E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 86 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 87 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 87 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 298.08 max(relative change in state) = - n_iter = 2 J = 267.46 max(relative change in state) = 7.9403 n_iter = 3 J = 193.69 max(relative change in state) = 3.7719 n_iter = 4 J = 191.52 max(relative change in state) = 0.39811 n_iter = 5 J = 191.57 max(relative change in state) = 1.2141 n_iter = 6 J = 190.10 max(relative change in state) = 0.85624 n_iter = 7 J = 190.00 max(relative change in state) = 0.18517 n_iter = 8 J = 189.91 max(relative change in state) = 0.74777E-01 n_iter = 9 J = 189.81 max(relative change in state) = 0.98327E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 87 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 88 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 88 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 62.875 max(relative change in state) = - n_iter = 2 J = 52.695 max(relative change in state) = 0.56593 n_iter = 3 J = 39.896 max(relative change in state) = 1.6517 n_iter = 4 J = 48.400 max(relative change in state) = 2.0643 n_iter = 5 J = 39.291 max(relative change in state) = 1.7064 n_iter = 6 J = 39.092 max(relative change in state) = 0.40264E-01 n_iter = 7 J = 38.728 max(relative change in state) = 0.29745 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 88 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 89 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 89 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 151.36 max(relative change in state) = - n_iter = 2 J = 107.32 max(relative change in state) = 1.3193 n_iter = 3 J = 80.355 max(relative change in state) = 1.9885 n_iter = 4 J = 79.781 max(relative change in state) = 0.61126 n_iter = 5 J = 78.783 max(relative change in state) = 0.37048 n_iter = 6 J = 78.542 max(relative change in state) = 0.17098 n_iter = 7 J = 78.055 max(relative change in state) = 0.29995 n_iter = 8 J = 77.787 max(relative change in state) = 0.24605 n_iter = 9 J = 77.674 max(relative change in state) = 0.78833E-01 n_iter = 10 J = 77.824 max(relative change in state) = 0.22924 n_iter = 11 J = 77.595 max(relative change in state) = 0.16080 n_iter = 12 J = 77.557 max(relative change in state) = 0.26488E-01 n_iter = 13 J = 77.729 max(relative change in state) = 0.17977 n_iter = 14 J = 77.516 max(relative change in state) = 0.15466 n_iter = 15 J = 77.490 max(relative change in state) = 0.34808E-01 n_iter = 16 J = 77.656 max(relative change in state) = 0.24489 n_iter = 17 J = 77.459 max(relative change in state) = 0.21496 n_iter = 18 J = 77.442 max(relative change in state) = 0.22507E-01 n_iter = 19 J = 77.396 max(relative change in state) = 0.85645E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 19. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 89 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 90 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 90 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 290.14 max(relative change in state) = - n_iter = 2 J = 136.21 max(relative change in state) = 6.6402 n_iter = 3 J = 123.65 max(relative change in state) = 0.91491 n_iter = 4 J = 118.97 max(relative change in state) = 1.1707 n_iter = 5 J = 118.25 max(relative change in state) = 1.1820 n_iter = 6 J = 116.82 max(relative change in state) = 0.26589 n_iter = 7 J = 116.67 max(relative change in state) = 0.56652E-01 n_iter = 8 J = 116.41 max(relative change in state) = 0.22607 n_iter = 9 J = 116.37 max(relative change in state) = 0.16392 n_iter = 10 J = 116.31 max(relative change in state) = 0.33456E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 90 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 91 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 91 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 207.45 max(relative change in state) = - n_iter = 2 J = 159.39 max(relative change in state) = 4.6787 n_iter = 3 J = 139.56 max(relative change in state) = 1.5901 n_iter = 4 J = 140.31 max(relative change in state) = 1.2207 n_iter = 5 J = 137.78 max(relative change in state) = 0.69061 n_iter = 6 J = 137.53 max(relative change in state) = 0.20609 n_iter = 7 J = 137.22 max(relative change in state) = 0.26067 n_iter = 8 J = 136.61 max(relative change in state) = 0.20134 n_iter = 9 J = 136.10 max(relative change in state) = 0.85237 n_iter = 10 J = 135.64 max(relative change in state) = 0.60115 n_iter = 11 J = 135.56 max(relative change in state) = 0.29850E-01 n_iter = 12 J = 135.54 max(relative change in state) = 0.40661E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 91 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 92 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 92 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 250.35 max(relative change in state) = - n_iter = 2 J = 123.04 max(relative change in state) = 4.6359 n_iter = 3 J = 113.82 max(relative change in state) = 1.1931 n_iter = 4 J = 112.96 max(relative change in state) = 0.38270 n_iter = 5 J = 112.60 max(relative change in state) = 0.29408 n_iter = 6 J = 112.45 max(relative change in state) = 0.75433E-01 n_iter = 7 J = 112.42 max(relative change in state) = 0.34169E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 92 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 93 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 93 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 197.38 max(relative change in state) = - n_iter = 2 J = 126.51 max(relative change in state) = 3.4085 n_iter = 3 J = 115.53 max(relative change in state) = 1.2554 n_iter = 4 J = 120.32 max(relative change in state) = 1.2638 n_iter = 5 J = 114.49 max(relative change in state) = 0.97701 n_iter = 6 J = 114.24 max(relative change in state) = 0.76427E-01 n_iter = 7 J = 113.67 max(relative change in state) = 0.30558 n_iter = 8 J = 113.27 max(relative change in state) = 0.14238 n_iter = 9 J = 112.91 max(relative change in state) = 0.42393 n_iter = 10 J = 112.62 max(relative change in state) = 0.89891E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 93 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 94 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 94 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 189.27 max(relative change in state) = - n_iter = 2 J = 126.53 max(relative change in state) = 3.5682 n_iter = 3 J = 118.32 max(relative change in state) = 0.54935 n_iter = 4 J = 113.86 max(relative change in state) = 0.67437 n_iter = 5 J = 119.46 max(relative change in state) = 2.3389 n_iter = 6 J = 113.59 max(relative change in state) = 1.9693 n_iter = 7 J = 113.55 max(relative change in state) = 0.40529E-01 n_iter = 8 J = 113.42 max(relative change in state) = 0.11927 n_iter = 9 J = 113.39 max(relative change in state) = 0.19134 n_iter = 10 J = 113.36 max(relative change in state) = 0.82489E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 94 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 95 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 95 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 95 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 96 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 96 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 196.96 max(relative change in state) = - n_iter = 2 J = 136.99 max(relative change in state) = 3.1699 n_iter = 3 J = 125.95 max(relative change in state) = 1.1339 n_iter = 4 J = 124.03 max(relative change in state) = 0.24784 n_iter = 5 J = 124.68 max(relative change in state) = 0.41760 n_iter = 6 J = 123.10 max(relative change in state) = 0.25814 n_iter = 7 J = 123.06 max(relative change in state) = 0.19219E-01 n_iter = 8 J = 122.88 max(relative change in state) = 0.15858 n_iter = 9 J = 122.87 max(relative change in state) = 0.25275 n_iter = 10 J = 122.82 max(relative change in state) = 0.14043 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 96 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 97 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 97 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 283.18 max(relative change in state) = - n_iter = 2 J = 129.11 max(relative change in state) = 8.8263 n_iter = 3 J = 118.88 max(relative change in state) = 1.4165 n_iter = 4 J = 118.43 max(relative change in state) = 0.98563 n_iter = 5 J = 117.10 max(relative change in state) = 0.52456 n_iter = 6 J = 116.84 max(relative change in state) = 0.29423 n_iter = 7 J = 116.51 max(relative change in state) = 0.24410 n_iter = 8 J = 115.94 max(relative change in state) = 0.39080 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 97 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 98 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 98 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 187.16 max(relative change in state) = - n_iter = 2 J = 107.74 max(relative change in state) = 2.7280 n_iter = 3 J = 91.361 max(relative change in state) = 1.1283 n_iter = 4 J = 95.991 max(relative change in state) = 1.4239 n_iter = 5 J = 89.623 max(relative change in state) = 1.0378 n_iter = 6 J = 89.416 max(relative change in state) = 0.11716 n_iter = 7 J = 89.102 max(relative change in state) = 0.28363 n_iter = 8 J = 88.913 max(relative change in state) = 0.77085E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 98 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 99 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 99 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 148.53 max(relative change in state) = - n_iter = 2 J = 115.80 max(relative change in state) = 2.0368 n_iter = 3 J = 105.17 max(relative change in state) = 0.88762 n_iter = 4 J = 105.41 max(relative change in state) = 1.3037 n_iter = 5 J = 103.30 max(relative change in state) = 0.90111 n_iter = 6 J = 103.11 max(relative change in state) = 0.22511 n_iter = 7 J = 102.93 max(relative change in state) = 0.14644 n_iter = 8 J = 102.84 max(relative change in state) = 0.13471 n_iter = 9 J = 102.76 max(relative change in state) = 0.52240 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 99 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 100 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 100 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 116.09 max(relative change in state) = - n_iter = 2 J = 96.509 max(relative change in state) = 0.63005 n_iter = 3 J = 71.342 max(relative change in state) = 1.7147 n_iter = 4 J = 80.039 max(relative change in state) = 2.1491 n_iter = 5 J = 70.757 max(relative change in state) = 1.7633 n_iter = 6 J = 70.593 max(relative change in state) = 0.41269E-01 n_iter = 7 J = 69.857 max(relative change in state) = 0.25382 n_iter = 8 J = 69.990 max(relative change in state) = 0.33470 n_iter = 9 J = 69.766 max(relative change in state) = 0.19360 n_iter = 10 J = 69.749 max(relative change in state) = 0.24611E-01 n_iter = 11 J = 69.678 max(relative change in state) = 0.10520 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 100 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 101 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 101 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 107.49 max(relative change in state) = - n_iter = 2 J = 90.093 max(relative change in state) = 0.83544 n_iter = 3 J = 74.021 max(relative change in state) = 1.9430 n_iter = 4 J = 76.779 max(relative change in state) = 1.6652 n_iter = 5 J = 72.934 max(relative change in state) = 1.1077 n_iter = 6 J = 72.714 max(relative change in state) = 0.15530 n_iter = 7 J = 72.390 max(relative change in state) = 0.40781 n_iter = 8 J = 72.180 max(relative change in state) = 0.83821E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 101 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 102 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 102 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 83.095 max(relative change in state) = - n_iter = 2 J = 69.863 max(relative change in state) = 0.88217 n_iter = 3 J = 59.035 max(relative change in state) = 1.2977 n_iter = 4 J = 57.883 max(relative change in state) = 0.36791 n_iter = 5 J = 57.761 max(relative change in state) = 0.41341 n_iter = 6 J = 57.368 max(relative change in state) = 0.11770 n_iter = 7 J = 57.339 max(relative change in state) = 0.17987E-01 n_iter = 8 J = 57.246 max(relative change in state) = 0.13072 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 102 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 103 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 103 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 103 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 104 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 104 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.088 max(relative change in state) = - n_iter = 2 J = 42.826 max(relative change in state) = 0.53263 n_iter = 3 J = 33.969 max(relative change in state) = 0.94869 n_iter = 4 J = 33.055 max(relative change in state) = 0.29171 n_iter = 5 J = 34.338 max(relative change in state) = 0.28772 n_iter = 6 J = 33.018 max(relative change in state) = 0.25965 n_iter = 7 J = 33.001 max(relative change in state) = 0.69608E-02 n_iter = 8 J = 33.000 max(relative change in state) = 0.11009 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 104 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 105 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 105 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.766 max(relative change in state) = - n_iter = 2 J = 67.332 max(relative change in state) = 0.77713 n_iter = 3 J = 53.653 max(relative change in state) = 2.1259 n_iter = 4 J = 57.068 max(relative change in state) = 1.1946 n_iter = 5 J = 53.079 max(relative change in state) = 0.88854 n_iter = 6 J = 52.963 max(relative change in state) = 0.73531E-01 n_iter = 7 J = 52.730 max(relative change in state) = 0.17130 n_iter = 8 J = 52.608 max(relative change in state) = 0.13718 n_iter = 9 J = 52.677 max(relative change in state) = 0.37612 n_iter = 10 J = 52.536 max(relative change in state) = 0.23096 n_iter = 11 J = 52.528 max(relative change in state) = 0.60274E-01 n_iter = 12 J = 52.522 max(relative change in state) = 0.28871E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 105 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 106 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 106 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 94.650 max(relative change in state) = - n_iter = 2 J = 79.411 max(relative change in state) = 0.80016 n_iter = 3 J = 66.263 max(relative change in state) = 1.0164 n_iter = 4 J = 64.779 max(relative change in state) = 0.36979 n_iter = 5 J = 68.275 max(relative change in state) = 0.51529 n_iter = 6 J = 64.609 max(relative change in state) = 0.42609 n_iter = 7 J = 64.569 max(relative change in state) = 0.12764E-01 n_iter = 8 J = 64.385 max(relative change in state) = 0.14738 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 106 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 107 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 107 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 45.784 max(relative change in state) = - n_iter = 2 J = 38.294 max(relative change in state) = 0.59602 n_iter = 3 J = 30.908 max(relative change in state) = 0.98036 n_iter = 4 J = 31.107 max(relative change in state) = 0.70371 n_iter = 5 J = 30.126 max(relative change in state) = 0.41953 n_iter = 6 J = 30.065 max(relative change in state) = 0.13520 n_iter = 7 J = 30.035 max(relative change in state) = 0.86142E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 107 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 108 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 108 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 410.36 max(relative change in state) = - n_iter = 2 J = 182.90 max(relative change in state) = 9.7324 n_iter = 3 J = 148.42 max(relative change in state) = 1.7873 n_iter = 4 J = 146.54 max(relative change in state) = 1.5069 n_iter = 5 J = 141.66 max(relative change in state) = 0.84051 n_iter = 6 J = 141.20 max(relative change in state) = 0.34004 n_iter = 7 J = 140.71 max(relative change in state) = 0.34710 n_iter = 8 J = 140.08 max(relative change in state) = 0.18880 n_iter = 9 J = 140.43 max(relative change in state) = 0.42180 n_iter = 10 J = 139.68 max(relative change in state) = 0.11647 n_iter = 11 J = 139.64 max(relative change in state) = 0.72201E-01 n_iter = 12 J = 139.56 max(relative change in state) = 0.99763E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 108 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 109 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 109 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 208.58 max(relative change in state) = - n_iter = 2 J = 178.15 max(relative change in state) = 4.0722 n_iter = 3 J = 147.60 max(relative change in state) = 2.1410 n_iter = 4 J = 152.07 max(relative change in state) = 2.0883 n_iter = 5 J = 146.22 max(relative change in state) = 1.3915 n_iter = 6 J = 145.95 max(relative change in state) = 0.84040E-01 n_iter = 7 J = 144.74 max(relative change in state) = 0.75568 n_iter = 8 J = 144.13 max(relative change in state) = 0.59904 n_iter = 9 J = 143.97 max(relative change in state) = 0.47283E-01 n_iter = 10 J = 143.88 max(relative change in state) = 0.41488E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 109 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 110 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 110 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 205.03 max(relative change in state) = - n_iter = 2 J = 301.07 max(relative change in state) = 5.7755 n_iter = 3 J = 177.87 max(relative change in state) = 4.2111 n_iter = 4 J = 177.50 max(relative change in state) = 0.66513 n_iter = 5 J = 176.83 max(relative change in state) = 0.29691 n_iter = 6 J = 176.60 max(relative change in state) = 0.22063 n_iter = 7 J = 176.55 max(relative change in state) = 0.26871E-01 n_iter = 8 J = 176.45 max(relative change in state) = 0.65046E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 110 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 111 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 111 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.50 max(relative change in state) = - n_iter = 2 J = 83.736 max(relative change in state) = 0.59526 n_iter = 3 J = 54.368 max(relative change in state) = 1.9366 n_iter = 4 J = 54.192 max(relative change in state) = 0.76409 n_iter = 5 J = 53.475 max(relative change in state) = 0.57242 n_iter = 6 J = 53.326 max(relative change in state) = 0.13412 n_iter = 7 J = 53.183 max(relative change in state) = 0.91654E-01 n_iter = 8 J = 53.110 max(relative change in state) = 0.84122E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 111 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 112 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 112 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 138.76 max(relative change in state) = - n_iter = 2 J = 111.87 max(relative change in state) = 0.71834 n_iter = 3 J = 63.170 max(relative change in state) = 3.2732 n_iter = 4 J = 61.794 max(relative change in state) = 0.65539 n_iter = 5 J = 60.367 max(relative change in state) = 0.32675 n_iter = 6 J = 60.030 max(relative change in state) = 0.23596 n_iter = 7 J = 59.752 max(relative change in state) = 0.21913 n_iter = 8 J = 59.497 max(relative change in state) = 0.13791 n_iter = 9 J = 59.383 max(relative change in state) = 0.13329 n_iter = 10 J = 59.338 max(relative change in state) = 0.14365 n_iter = 11 J = 59.181 max(relative change in state) = 0.26993E-01 n_iter = 12 J = 59.133 max(relative change in state) = 0.39007E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 112 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 113 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 113 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 137.80 max(relative change in state) = - n_iter = 2 J = 115.11 max(relative change in state) = 0.98564 n_iter = 3 J = 98.314 max(relative change in state) = 1.5794 n_iter = 4 J = 96.642 max(relative change in state) = 0.35796 n_iter = 5 J = 99.160 max(relative change in state) = 0.62816 n_iter = 6 J = 96.336 max(relative change in state) = 0.37710 n_iter = 7 J = 96.303 max(relative change in state) = 0.11731E-01 n_iter = 8 J = 96.091 max(relative change in state) = 0.14690 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 113 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 114 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 114 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 173.35 max(relative change in state) = - n_iter = 2 J = 123.59 max(relative change in state) = 2.7318 n_iter = 3 J = 113.74 max(relative change in state) = 0.95150 n_iter = 4 J = 115.01 max(relative change in state) = 1.4917 n_iter = 5 J = 111.56 max(relative change in state) = 0.84353 n_iter = 6 J = 111.29 max(relative change in state) = 0.28889 n_iter = 7 J = 111.15 max(relative change in state) = 0.18668 n_iter = 8 J = 110.95 max(relative change in state) = 0.13296 n_iter = 9 J = 110.60 max(relative change in state) = 0.20257 n_iter = 10 J = 110.46 max(relative change in state) = 0.10283 n_iter = 11 J = 110.36 max(relative change in state) = 0.71053E-01 n_iter = 12 J = 110.32 max(relative change in state) = 0.10034 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 114 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 115 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 115 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.515 max(relative change in state) = - n_iter = 2 J = 42.553 max(relative change in state) = 0.45193 n_iter = 3 J = 29.027 max(relative change in state) = 1.6363 n_iter = 4 J = 33.994 max(relative change in state) = 1.6177 n_iter = 5 J = 28.803 max(relative change in state) = 1.3548 n_iter = 6 J = 28.741 max(relative change in state) = 0.13325E-01 n_iter = 7 J = 28.461 max(relative change in state) = 0.20708 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 115 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 116 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 116 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.740 max(relative change in state) = - n_iter = 2 J = 57.634 max(relative change in state) = 0.44844 n_iter = 3 J = 39.737 max(relative change in state) = 1.6752 n_iter = 4 J = 41.228 max(relative change in state) = 1.3216 n_iter = 5 J = 39.185 max(relative change in state) = 0.99722 n_iter = 6 J = 39.106 max(relative change in state) = 0.11735 n_iter = 7 J = 39.019 max(relative change in state) = 0.19421 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 116 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 117 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 117 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 270.01 max(relative change in state) = - n_iter = 2 J = 275.10 max(relative change in state) = 5.8674 n_iter = 3 J = 191.80 max(relative change in state) = 2.4537 n_iter = 4 J = 185.45 max(relative change in state) = 1.2885 n_iter = 5 J = 187.05 max(relative change in state) = 1.3015 n_iter = 6 J = 183.77 max(relative change in state) = 0.61849 n_iter = 7 J = 183.55 max(relative change in state) = 0.48606E-01 n_iter = 8 J = 182.39 max(relative change in state) = 0.44733 n_iter = 9 J = 182.96 max(relative change in state) = 0.97409 n_iter = 10 J = 182.16 max(relative change in state) = 0.68569 n_iter = 11 J = 182.08 max(relative change in state) = 0.80874E-01 n_iter = 12 J = 181.83 max(relative change in state) = 0.19275 n_iter = 13 J = 181.71 max(relative change in state) = 0.25411 n_iter = 14 J = 181.65 max(relative change in state) = 0.11434 n_iter = 15 J = 181.61 max(relative change in state) = 0.42736E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 117 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 118 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 118 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 148.90 max(relative change in state) = - n_iter = 2 J = 114.53 max(relative change in state) = 1.5759 n_iter = 3 J = 99.039 max(relative change in state) = 0.92958 n_iter = 4 J = 95.774 max(relative change in state) = 0.67945 n_iter = 5 J = 95.977 max(relative change in state) = 0.73096 n_iter = 6 J = 95.108 max(relative change in state) = 0.52294 n_iter = 7 J = 95.013 max(relative change in state) = 0.12158 n_iter = 8 J = 94.837 max(relative change in state) = 0.13842 n_iter = 9 J = 94.746 max(relative change in state) = 0.12501 n_iter = 10 J = 94.677 max(relative change in state) = 0.36387 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 118 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 119 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 119 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 102.92 max(relative change in state) = - n_iter = 2 J = 85.537 max(relative change in state) = 0.65833 n_iter = 3 J = 58.337 max(relative change in state) = 1.4929 n_iter = 4 J = 56.077 max(relative change in state) = 0.30066 n_iter = 5 J = 61.362 max(relative change in state) = 1.0615 n_iter = 6 J = 55.714 max(relative change in state) = 0.83773 n_iter = 7 J = 55.654 max(relative change in state) = 0.22339E-01 n_iter = 8 J = 55.582 max(relative change in state) = 0.20817 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 119 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 120 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 120 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 81.615 max(relative change in state) = - n_iter = 2 J = 67.357 max(relative change in state) = 0.55748 n_iter = 3 J = 44.331 max(relative change in state) = 1.9719 n_iter = 4 J = 42.671 max(relative change in state) = 0.26867 n_iter = 5 J = 45.702 max(relative change in state) = 1.1956 n_iter = 6 J = 42.138 max(relative change in state) = 0.89224 n_iter = 7 J = 42.049 max(relative change in state) = 0.50672E-01 n_iter = 8 J = 41.785 max(relative change in state) = 0.21305 n_iter = 9 J = 41.719 max(relative change in state) = 0.21062 n_iter = 10 J = 41.668 max(relative change in state) = 0.54490E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 120 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 121 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 121 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.565 max(relative change in state) = - n_iter = 2 J = 58.855 max(relative change in state) = 0.49505 n_iter = 3 J = 34.711 max(relative change in state) = 1.8149 n_iter = 4 J = 33.715 max(relative change in state) = 0.41037 n_iter = 5 J = 33.482 max(relative change in state) = 0.38063 n_iter = 6 J = 33.219 max(relative change in state) = 0.94833E-01 n_iter = 7 J = 33.175 max(relative change in state) = 0.26802E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 121 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 122 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 122 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 107.65 max(relative change in state) = - n_iter = 2 J = 90.246 max(relative change in state) = 0.59460 n_iter = 3 J = 64.712 max(relative change in state) = 2.2590 n_iter = 4 J = 84.779 max(relative change in state) = 3.3079 n_iter = 5 J = 64.053 max(relative change in state) = 2.8513 n_iter = 6 J = 63.875 max(relative change in state) = 0.31167E-01 n_iter = 7 J = 63.618 max(relative change in state) = 0.34133 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 122 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 123 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 123 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 61.524 max(relative change in state) = - n_iter = 2 J = 51.169 max(relative change in state) = 0.65467 n_iter = 3 J = 36.963 max(relative change in state) = 1.4409 n_iter = 4 J = 34.574 max(relative change in state) = 0.48059 n_iter = 5 J = 35.012 max(relative change in state) = 0.57789 n_iter = 6 J = 34.234 max(relative change in state) = 0.35619 n_iter = 7 J = 34.198 max(relative change in state) = 0.12307 n_iter = 8 J = 34.180 max(relative change in state) = 0.62874E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 123 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 124 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 124 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.453 max(relative change in state) = - n_iter = 2 J = 58.688 max(relative change in state) = 0.63962 n_iter = 3 J = 42.789 max(relative change in state) = 2.1714 n_iter = 4 J = 43.672 max(relative change in state) = 0.90135 n_iter = 5 J = 42.330 max(relative change in state) = 0.68162 n_iter = 6 J = 42.238 max(relative change in state) = 0.10787 n_iter = 7 J = 42.205 max(relative change in state) = 0.18597 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 124 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 125 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 125 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 166.08 max(relative change in state) = - n_iter = 2 J = 118.56 max(relative change in state) = 2.6704 n_iter = 3 J = 106.11 max(relative change in state) = 2.0436 n_iter = 4 J = 105.33 max(relative change in state) = 0.52766 n_iter = 5 J = 105.43 max(relative change in state) = 0.18030 n_iter = 6 J = 104.74 max(relative change in state) = 0.98526E-01 n_iter = 7 J = 104.50 max(relative change in state) = 0.73153E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 125 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 126 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 126 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 85.860 max(relative change in state) = - n_iter = 2 J = 71.342 max(relative change in state) = 0.48847 n_iter = 3 J = 51.069 max(relative change in state) = 1.8937 n_iter = 4 J = 59.456 max(relative change in state) = 2.1085 n_iter = 5 J = 50.379 max(relative change in state) = 1.6979 n_iter = 6 J = 50.204 max(relative change in state) = 0.40142E-01 n_iter = 7 J = 49.536 max(relative change in state) = 0.25063 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 126 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 127 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 127 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 88.361 max(relative change in state) = - n_iter = 2 J = 72.743 max(relative change in state) = 0.58119 n_iter = 3 J = 41.332 max(relative change in state) = 2.0631 n_iter = 4 J = 46.244 max(relative change in state) = 2.0917 n_iter = 5 J = 39.864 max(relative change in state) = 1.4789 n_iter = 6 J = 39.621 max(relative change in state) = 0.12429 n_iter = 7 J = 38.982 max(relative change in state) = 0.39368 n_iter = 8 J = 38.706 max(relative change in state) = 0.20365 n_iter = 9 J = 38.657 max(relative change in state) = 0.73810E-01 n_iter = 10 J = 38.578 max(relative change in state) = 0.34114E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 127 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 128 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 128 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 5 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 121.71 max(relative change in state) = - n_iter = 2 J = 103.30 max(relative change in state) = 0.81449 n_iter = 3 J = 92.154 max(relative change in state) = 1.2082 n_iter = 4 J = 92.199 max(relative change in state) = 0.88608 n_iter = 5 J = 90.930 max(relative change in state) = 0.56403 n_iter = 6 J = 90.810 max(relative change in state) = 0.17651 n_iter = 7 J = 90.693 max(relative change in state) = 0.16328 n_iter = 8 J = 90.562 max(relative change in state) = 0.85141E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 128 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 129 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 129 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 244.51 max(relative change in state) = - n_iter = 2 J = 145.23 max(relative change in state) = 4.3632 n_iter = 3 J = 127.46 max(relative change in state) = 1.4306 n_iter = 4 J = 125.96 max(relative change in state) = 1.0778 n_iter = 5 J = 123.00 max(relative change in state) = 0.83800 n_iter = 6 J = 122.13 max(relative change in state) = 0.22072 n_iter = 7 J = 121.76 max(relative change in state) = 0.35392 n_iter = 8 J = 120.87 max(relative change in state) = 0.26860 n_iter = 9 J = 120.15 max(relative change in state) = 0.55408 n_iter = 10 J = 118.83 max(relative change in state) = 0.37346 n_iter = 11 J = 119.21 max(relative change in state) = 0.60048 n_iter = 12 J = 118.12 max(relative change in state) = 0.21838 n_iter = 13 J = 117.83 max(relative change in state) = 0.89347E-01 n_iter = 14 J = 118.09 max(relative change in state) = 0.24737 n_iter = 15 J = 117.42 max(relative change in state) = 0.40098 n_iter = 16 J = 117.74 max(relative change in state) = 0.45321 n_iter = 17 J = 117.18 max(relative change in state) = 0.36777 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 129 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 130 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 130 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 168.64 max(relative change in state) = - n_iter = 2 J = 126.62 max(relative change in state) = 2.6332 n_iter = 3 J = 113.90 max(relative change in state) = 0.85453 n_iter = 4 J = 110.32 max(relative change in state) = 0.66053 n_iter = 5 J = 110.14 max(relative change in state) = 0.78324 n_iter = 6 J = 108.71 max(relative change in state) = 0.24394 n_iter = 7 J = 108.56 max(relative change in state) = 0.32669E-01 n_iter = 8 J = 108.31 max(relative change in state) = 0.20431 n_iter = 9 J = 108.35 max(relative change in state) = 0.23980 n_iter = 10 J = 108.12 max(relative change in state) = 0.11449 n_iter = 11 J = 108.06 max(relative change in state) = 0.24070E-01 n_iter = 12 J = 107.98 max(relative change in state) = 0.55875E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 130 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 131 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 131 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 117.30 max(relative change in state) = - n_iter = 2 J = 97.572 max(relative change in state) = 0.66964 n_iter = 3 J = 74.183 max(relative change in state) = 1.9041 n_iter = 4 J = 74.345 max(relative change in state) = 0.56620 n_iter = 5 J = 73.107 max(relative change in state) = 0.31065 n_iter = 6 J = 73.065 max(relative change in state) = 0.65868E-01 n_iter = 7 J = 73.037 max(relative change in state) = 0.40675E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 131 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 132 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 132 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 163.06 max(relative change in state) = - n_iter = 2 J = 110.57 max(relative change in state) = 2.4674 n_iter = 3 J = 96.657 max(relative change in state) = 1.1830 n_iter = 4 J = 97.253 max(relative change in state) = 1.1131 n_iter = 5 J = 95.347 max(relative change in state) = 0.71829 n_iter = 6 J = 95.251 max(relative change in state) = 0.16821 n_iter = 7 J = 95.164 max(relative change in state) = 0.14585 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 132 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 133 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 133 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 257.46 max(relative change in state) = - n_iter = 2 J = 155.48 max(relative change in state) = 5.8756 n_iter = 3 J = 129.20 max(relative change in state) = 1.8606 n_iter = 4 J = 127.69 max(relative change in state) = 0.62735 n_iter = 5 J = 125.94 max(relative change in state) = 0.21305 n_iter = 6 J = 124.97 max(relative change in state) = 0.33179 n_iter = 7 J = 124.69 max(relative change in state) = 0.22598 n_iter = 8 J = 124.30 max(relative change in state) = 0.12848 n_iter = 9 J = 124.08 max(relative change in state) = 0.90338E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 133 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 134 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 134 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 64.987 max(relative change in state) = - n_iter = 2 J = 55.370 max(relative change in state) = 0.63855 n_iter = 3 J = 37.913 max(relative change in state) = 2.9893 n_iter = 4 J = 41.410 max(relative change in state) = 1.3599 n_iter = 5 J = 37.415 max(relative change in state) = 1.0903 n_iter = 6 J = 37.208 max(relative change in state) = 0.66167E-01 n_iter = 7 J = 37.173 max(relative change in state) = 0.37366 n_iter = 8 J = 36.994 max(relative change in state) = 0.33685 n_iter = 9 J = 36.952 max(relative change in state) = 0.37240E-01 n_iter = 10 J = 36.865 max(relative change in state) = 0.35522E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 134 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 135 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 135 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 63.647 max(relative change in state) = - n_iter = 2 J = 52.909 max(relative change in state) = 0.44328 n_iter = 3 J = 37.007 max(relative change in state) = 1.4952 n_iter = 4 J = 36.429 max(relative change in state) = 0.18354 n_iter = 5 J = 37.509 max(relative change in state) = 0.47045 n_iter = 6 J = 36.088 max(relative change in state) = 0.35033 n_iter = 7 J = 35.948 max(relative change in state) = 0.54603E-01 n_iter = 8 J = 35.962 max(relative change in state) = 0.98878E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 135 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 136 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 136 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 104.76 max(relative change in state) = - n_iter = 2 J = 86.443 max(relative change in state) = 0.65163 n_iter = 3 J = 57.006 max(relative change in state) = 1.9244 n_iter = 4 J = 55.368 max(relative change in state) = 0.32777 n_iter = 5 J = 56.448 max(relative change in state) = 0.60714 n_iter = 6 J = 54.899 max(relative change in state) = 0.35674 n_iter = 7 J = 54.839 max(relative change in state) = 0.15985E-01 n_iter = 8 J = 54.591 max(relative change in state) = 0.21789 n_iter = 9 J = 54.695 max(relative change in state) = 0.36821 n_iter = 10 J = 54.509 max(relative change in state) = 0.23592 n_iter = 11 J = 54.483 max(relative change in state) = 0.68825E-01 n_iter = 12 J = 54.462 max(relative change in state) = 0.74771E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 136 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 137 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 137 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 137 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 138 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 138 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 128.13 max(relative change in state) = - n_iter = 2 J = 105.21 max(relative change in state) = 0.82252 n_iter = 3 J = 61.384 max(relative change in state) = 3.1450 n_iter = 4 J = 59.623 max(relative change in state) = 0.27725 n_iter = 5 J = 62.166 max(relative change in state) = 0.88149 n_iter = 6 J = 59.089 max(relative change in state) = 0.61227 n_iter = 7 J = 59.032 max(relative change in state) = 0.22590E-01 n_iter = 8 J = 58.780 max(relative change in state) = 0.14993 n_iter = 9 J = 58.906 max(relative change in state) = 0.26575 n_iter = 10 J = 58.729 max(relative change in state) = 0.17715 n_iter = 11 J = 58.716 max(relative change in state) = 0.17050E-01 n_iter = 12 J = 58.663 max(relative change in state) = 0.85258E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 138 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 139 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 139 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 25.273 max(relative change in state) = - n_iter = 2 J = 20.822 max(relative change in state) = 0.43668 n_iter = 3 J = 13.856 max(relative change in state) = 1.2075 n_iter = 4 J = 14.366 max(relative change in state) = 0.79064 n_iter = 5 J = 13.738 max(relative change in state) = 0.59904 n_iter = 6 J = 13.716 max(relative change in state) = 0.51344E-01 n_iter = 7 J = 13.679 max(relative change in state) = 0.12393 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 139 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 140 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 140 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 173.26 max(relative change in state) = - n_iter = 2 J = 109.96 max(relative change in state) = 2.4639 n_iter = 3 J = 98.376 max(relative change in state) = 1.0093 n_iter = 4 J = 97.413 max(relative change in state) = 0.79513 n_iter = 5 J = 99.398 max(relative change in state) = 0.81637 n_iter = 6 J = 97.174 max(relative change in state) = 0.61013 n_iter = 7 J = 97.114 max(relative change in state) = 0.16777E-01 n_iter = 8 J = 96.705 max(relative change in state) = 0.28019 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 140 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 141 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 141 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.33 max(relative change in state) = - n_iter = 2 J = 83.679 max(relative change in state) = 0.64851 n_iter = 3 J = 56.187 max(relative change in state) = 1.8998 n_iter = 4 J = 54.775 max(relative change in state) = 0.35811 n_iter = 5 J = 54.540 max(relative change in state) = 0.22333 n_iter = 6 J = 54.150 max(relative change in state) = 0.11219 n_iter = 7 J = 54.118 max(relative change in state) = 0.29709E-01 n_iter = 8 J = 54.055 max(relative change in state) = 0.67589E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 141 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 142 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 142 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 112.73 max(relative change in state) = - n_iter = 2 J = 94.131 max(relative change in state) = 0.86549 n_iter = 3 J = 73.927 max(relative change in state) = 1.6613 n_iter = 4 J = 75.179 max(relative change in state) = 1.1629 n_iter = 5 J = 72.151 max(relative change in state) = 0.71494 n_iter = 6 J = 71.919 max(relative change in state) = 0.18664 n_iter = 7 J = 71.759 max(relative change in state) = 0.21750 n_iter = 8 J = 71.545 max(relative change in state) = 0.99455E-01 n_iter = 9 J = 71.420 max(relative change in state) = 0.51350 n_iter = 10 J = 71.123 max(relative change in state) = 0.28066 n_iter = 11 J = 71.052 max(relative change in state) = 0.59181E-01 n_iter = 12 J = 70.959 max(relative change in state) = 0.11117 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 142 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 143 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 143 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 203.48 max(relative change in state) = - n_iter = 2 J = 108.14 max(relative change in state) = 3.2849 n_iter = 3 J = 94.995 max(relative change in state) = 0.75667 n_iter = 4 J = 92.843 max(relative change in state) = 0.39175 n_iter = 5 J = 94.168 max(relative change in state) = 1.5810 n_iter = 6 J = 92.285 max(relative change in state) = 1.1191 n_iter = 7 J = 92.204 max(relative change in state) = 0.49083E-01 n_iter = 8 J = 92.060 max(relative change in state) = 0.16694 n_iter = 9 J = 91.991 max(relative change in state) = 0.10324 n_iter = 10 J = 91.963 max(relative change in state) = 0.66047E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 143 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 144 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 144 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 102.55 max(relative change in state) = - n_iter = 2 J = 84.309 max(relative change in state) = 0.63184 n_iter = 3 J = 52.851 max(relative change in state) = 2.0535 n_iter = 4 J = 52.198 max(relative change in state) = 0.34189 n_iter = 5 J = 51.616 max(relative change in state) = 0.21572 n_iter = 6 J = 51.575 max(relative change in state) = 0.70224E-01 n_iter = 7 J = 51.476 max(relative change in state) = 0.10399 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 144 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 145 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 145 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 43.510 max(relative change in state) = - n_iter = 2 J = 35.900 max(relative change in state) = 0.39917 n_iter = 3 J = 23.399 max(relative change in state) = 1.2464 n_iter = 4 J = 22.642 max(relative change in state) = 0.30022 n_iter = 5 J = 22.770 max(relative change in state) = 0.31105 n_iter = 6 J = 22.375 max(relative change in state) = 0.14102 n_iter = 7 J = 22.356 max(relative change in state) = 0.13558E-01 n_iter = 8 J = 22.287 max(relative change in state) = 0.18634 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 145 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 146 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 146 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 38.218 max(relative change in state) = - n_iter = 2 J = 31.368 max(relative change in state) = 0.29818 n_iter = 3 J = 17.965 max(relative change in state) = 1.3824 n_iter = 4 J = 17.615 max(relative change in state) = 0.41524 n_iter = 5 J = 17.272 max(relative change in state) = 0.17213 n_iter = 6 J = 17.196 max(relative change in state) = 0.15875 n_iter = 7 J = 17.173 max(relative change in state) = 0.46853E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 146 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 147 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 147 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 91.691 max(relative change in state) = - n_iter = 2 J = 76.400 max(relative change in state) = 0.75255 n_iter = 3 J = 59.616 max(relative change in state) = 1.3092 n_iter = 4 J = 59.169 max(relative change in state) = 0.67829 n_iter = 5 J = 58.300 max(relative change in state) = 0.34098 n_iter = 6 J = 58.199 max(relative change in state) = 0.18755 n_iter = 7 J = 58.141 max(relative change in state) = 0.13880 n_iter = 8 J = 58.076 max(relative change in state) = 0.40943E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 147 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 148 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 148 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 40.368 max(relative change in state) = - n_iter = 2 J = 33.689 max(relative change in state) = 0.49869 n_iter = 3 J = 27.238 max(relative change in state) = 0.90225 n_iter = 4 J = 26.482 max(relative change in state) = 0.30797 n_iter = 5 J = 28.859 max(relative change in state) = 0.54699 n_iter = 6 J = 26.390 max(relative change in state) = 0.45099 n_iter = 7 J = 26.363 max(relative change in state) = 0.12031E-01 n_iter = 8 J = 26.296 max(relative change in state) = 0.12587 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 148 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 149 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 149 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 149 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 150 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 150 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 84.261 max(relative change in state) = - n_iter = 2 J = 70.256 max(relative change in state) = 0.65385 n_iter = 3 J = 53.216 max(relative change in state) = 1.1793 n_iter = 4 J = 53.245 max(relative change in state) = 0.87275 n_iter = 5 J = 51.723 max(relative change in state) = 0.47364 n_iter = 6 J = 51.536 max(relative change in state) = 0.22777 n_iter = 7 J = 51.475 max(relative change in state) = 0.14602 n_iter = 8 J = 51.335 max(relative change in state) = 0.69759E-01 n_iter = 9 J = 51.132 max(relative change in state) = 0.15247 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 150 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 151 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 151 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 82.241 max(relative change in state) = - n_iter = 2 J = 67.437 max(relative change in state) = 0.46667 n_iter = 3 J = 39.892 max(relative change in state) = 1.6710 n_iter = 4 J = 37.784 max(relative change in state) = 0.50673 n_iter = 5 J = 39.810 max(relative change in state) = 0.55216 n_iter = 6 J = 37.308 max(relative change in state) = 0.37832 n_iter = 7 J = 37.247 max(relative change in state) = 0.17772E-01 n_iter = 8 J = 37.020 max(relative change in state) = 0.12302 n_iter = 9 J = 36.975 max(relative change in state) = 0.16345 n_iter = 10 J = 36.868 max(relative change in state) = 0.59398E-01 n_iter = 11 J = 36.839 max(relative change in state) = 0.33827E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 151 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 152 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 152 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 217.25 max(relative change in state) = - n_iter = 2 J = 114.47 max(relative change in state) = 4.5677 n_iter = 3 J = 105.51 max(relative change in state) = 0.64135 n_iter = 4 J = 99.580 max(relative change in state) = 0.85591 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 152 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 153 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 153 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 525.77 max(relative change in state) = - n_iter = 2 J = 177.08 max(relative change in state) = 10.783 n_iter = 3 J = 150.45 max(relative change in state) = 1.5957 n_iter = 4 J = 152.01 max(relative change in state) = 1.5470 n_iter = 5 J = 146.30 max(relative change in state) = 0.95297 n_iter = 6 J = 146.00 max(relative change in state) = 0.25005 n_iter = 7 J = 145.78 max(relative change in state) = 0.22377 n_iter = 8 J = 145.41 max(relative change in state) = 0.17205 n_iter = 9 J = 144.95 max(relative change in state) = 0.54040 n_iter = 10 J = 144.82 max(relative change in state) = 0.36567 n_iter = 11 J = 144.73 max(relative change in state) = 0.42582E-01 n_iter = 12 J = 144.71 max(relative change in state) = 0.20010E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 153 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 154 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 154 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 39.823 max(relative change in state) = - n_iter = 2 J = 33.381 max(relative change in state) = 0.57241 n_iter = 3 J = 28.012 max(relative change in state) = 1.0869 n_iter = 4 J = 27.766 max(relative change in state) = 0.15436 n_iter = 5 J = 27.688 max(relative change in state) = 0.15515 n_iter = 6 J = 27.633 max(relative change in state) = 0.38668E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 154 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 155 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 155 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 155 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 156 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 156 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.586 max(relative change in state) = - n_iter = 2 J = 57.201 max(relative change in state) = 0.51481 n_iter = 3 J = 33.540 max(relative change in state) = 1.5211 n_iter = 4 J = 32.396 max(relative change in state) = 0.51049 n_iter = 5 J = 31.818 max(relative change in state) = 0.28820 n_iter = 6 J = 31.699 max(relative change in state) = 0.94404E-01 n_iter = 7 J = 31.644 max(relative change in state) = 0.87627E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 156 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 157 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 157 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 139.91 max(relative change in state) = - n_iter = 2 J = 111.74 max(relative change in state) = 0.89753 n_iter = 3 J = 75.876 max(relative change in state) = 2.4200 n_iter = 4 J = 74.403 max(relative change in state) = 0.22613 n_iter = 5 J = 78.843 max(relative change in state) = 0.72319 n_iter = 6 J = 74.071 max(relative change in state) = 0.60044 n_iter = 7 J = 74.014 max(relative change in state) = 0.18770E-01 n_iter = 8 J = 73.861 max(relative change in state) = 0.12316 n_iter = 9 J = 73.843 max(relative change in state) = 0.49975E-01 n_iter = 10 J = 73.800 max(relative change in state) = 0.32417E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 157 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 158 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 158 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 83.844 max(relative change in state) = - n_iter = 2 J = 69.535 max(relative change in state) = 0.75811 n_iter = 3 J = 51.230 max(relative change in state) = 2.1137 n_iter = 4 J = 49.900 max(relative change in state) = 0.40416 n_iter = 5 J = 53.595 max(relative change in state) = 0.34722 n_iter = 6 J = 49.736 max(relative change in state) = 0.31724 n_iter = 7 J = 49.694 max(relative change in state) = 0.13595E-01 n_iter = 8 J = 49.515 max(relative change in state) = 0.13864 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 158 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 159 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 159 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 190.09 max(relative change in state) = - n_iter = 2 J = 112.46 max(relative change in state) = 3.4169 n_iter = 3 J = 100.63 max(relative change in state) = 1.0298 n_iter = 4 J = 98.028 max(relative change in state) = 0.67194 n_iter = 5 J = 104.84 max(relative change in state) = 1.2500 n_iter = 6 J = 97.786 max(relative change in state) = 1.0370 n_iter = 7 J = 97.753 max(relative change in state) = 0.13621E-01 n_iter = 8 J = 97.579 max(relative change in state) = 0.23989 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 159 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 160 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 160 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 268.57 max(relative change in state) = - n_iter = 2 J = 231.36 max(relative change in state) = 7.1228 n_iter = 3 J = 175.83 max(relative change in state) = 2.9451 n_iter = 4 J = 173.97 max(relative change in state) = 0.36776 n_iter = 5 J = 173.84 max(relative change in state) = 0.42982 n_iter = 6 J = 173.07 max(relative change in state) = 0.13305 n_iter = 7 J = 172.98 max(relative change in state) = 0.37017E-01 n_iter = 8 J = 172.76 max(relative change in state) = 0.20577 n_iter = 9 J = 172.83 max(relative change in state) = 0.17852 n_iter = 10 J = 172.62 max(relative change in state) = 0.10016 n_iter = 11 J = 172.58 max(relative change in state) = 0.14301E-01 n_iter = 12 J = 172.44 max(relative change in state) = 0.94912E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 160 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 161 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 161 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 134.09 max(relative change in state) = - n_iter = 2 J = 111.78 max(relative change in state) = 0.79051 n_iter = 3 J = 81.218 max(relative change in state) = 2.8929 n_iter = 4 J = 81.583 max(relative change in state) = 0.63890 n_iter = 5 J = 80.255 max(relative change in state) = 0.40640 n_iter = 6 J = 80.147 max(relative change in state) = 0.11977 n_iter = 7 J = 80.106 max(relative change in state) = 0.12457 n_iter = 8 J = 80.028 max(relative change in state) = 0.30112E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 161 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 162 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 162 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 67.520 max(relative change in state) = - n_iter = 2 J = 55.408 max(relative change in state) = 0.48950 n_iter = 3 J = 32.292 max(relative change in state) = 1.9913 n_iter = 4 J = 31.676 max(relative change in state) = 0.33248 n_iter = 5 J = 31.358 max(relative change in state) = 0.35935 n_iter = 6 J = 31.082 max(relative change in state) = 0.54968E-01 n_iter = 7 J = 30.905 max(relative change in state) = 0.69483E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 162 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 163 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 163 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 199.35 max(relative change in state) = - n_iter = 2 J = 135.21 max(relative change in state) = 2.9047 n_iter = 3 J = 124.83 max(relative change in state) = 0.94223 n_iter = 4 J = 122.99 max(relative change in state) = 0.55686 n_iter = 5 J = 121.56 max(relative change in state) = 0.39088 n_iter = 6 J = 121.38 max(relative change in state) = 0.83300E-01 n_iter = 7 J = 121.35 max(relative change in state) = 0.33032 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 163 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 164 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 164 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 180.24 max(relative change in state) = - n_iter = 2 J = 116.95 max(relative change in state) = 2.3934 n_iter = 3 J = 103.69 max(relative change in state) = 0.92171 n_iter = 4 J = 110.26 max(relative change in state) = 1.9113 n_iter = 5 J = 101.66 max(relative change in state) = 1.4524 n_iter = 6 J = 100.77 max(relative change in state) = 0.17377 n_iter = 7 J = 100.35 max(relative change in state) = 0.59310 n_iter = 8 J = 99.050 max(relative change in state) = 0.17293 n_iter = 9 J = 100.09 max(relative change in state) = 0.86994 n_iter = 10 J = 97.712 max(relative change in state) = 0.51749 n_iter = 11 J = 97.728 max(relative change in state) = 0.36091 n_iter = 12 J = 97.106 max(relative change in state) = 0.21817 n_iter = 13 J = 97.017 max(relative change in state) = 0.11443 n_iter = 14 J = 96.798 max(relative change in state) = 0.53857E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 164 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 165 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 165 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 54.037 max(relative change in state) = - n_iter = 2 J = 44.317 max(relative change in state) = 0.36254 n_iter = 3 J = 23.762 max(relative change in state) = 1.5356 n_iter = 4 J = 22.585 max(relative change in state) = 0.44108 n_iter = 5 J = 24.749 max(relative change in state) = 0.92727 n_iter = 6 J = 22.338 max(relative change in state) = 0.73888 n_iter = 7 J = 22.287 max(relative change in state) = 0.30736E-01 n_iter = 8 J = 22.132 max(relative change in state) = 0.12298 n_iter = 9 J = 22.104 max(relative change in state) = 0.13125 n_iter = 10 J = 22.085 max(relative change in state) = 0.67427E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 165 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 166 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 166 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 95.664 max(relative change in state) = - n_iter = 2 J = 78.987 max(relative change in state) = 0.51894 n_iter = 3 J = 51.464 max(relative change in state) = 1.8050 n_iter = 4 J = 50.415 max(relative change in state) = 0.26496 n_iter = 5 J = 51.884 max(relative change in state) = 0.43902 n_iter = 6 J = 50.026 max(relative change in state) = 0.34054 n_iter = 7 J = 49.929 max(relative change in state) = 0.23090E-01 n_iter = 8 J = 49.669 max(relative change in state) = 0.93642E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 166 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 167 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 167 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 90.594 max(relative change in state) = - n_iter = 2 J = 74.589 max(relative change in state) = 0.57292 n_iter = 3 J = 46.856 max(relative change in state) = 1.6891 n_iter = 4 J = 45.557 max(relative change in state) = 0.37520 n_iter = 5 J = 45.738 max(relative change in state) = 0.36655 n_iter = 6 J = 44.966 max(relative change in state) = 0.19418 n_iter = 7 J = 44.885 max(relative change in state) = 0.25751E-01 n_iter = 8 J = 44.902 max(relative change in state) = 0.19743 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 167 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 168 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 168 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 87.060 max(relative change in state) = - n_iter = 2 J = 73.592 max(relative change in state) = 0.84676 n_iter = 3 J = 63.167 max(relative change in state) = 1.7118 n_iter = 4 J = 67.053 max(relative change in state) = 1.3919 n_iter = 5 J = 62.663 max(relative change in state) = 1.0882 n_iter = 6 J = 62.530 max(relative change in state) = 0.46124E-01 n_iter = 7 J = 62.023 max(relative change in state) = 0.24175 n_iter = 8 J = 61.978 max(relative change in state) = 0.29737 n_iter = 9 J = 61.897 max(relative change in state) = 0.13066 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 168 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 169 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 169 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 56.581 max(relative change in state) = - n_iter = 2 J = 46.407 max(relative change in state) = 0.42168 n_iter = 3 J = 26.142 max(relative change in state) = 1.6241 n_iter = 4 J = 25.123 max(relative change in state) = 0.23726 n_iter = 5 J = 26.289 max(relative change in state) = 0.58453 n_iter = 6 J = 24.456 max(relative change in state) = 0.35707 n_iter = 7 J = 24.423 max(relative change in state) = 0.28229E-01 n_iter = 8 J = 24.327 max(relative change in state) = 0.86084E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 169 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 170 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 170 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 35.774 max(relative change in state) = - n_iter = 2 J = 30.096 max(relative change in state) = 0.36766 n_iter = 3 J = 24.773 max(relative change in state) = 0.66820 n_iter = 4 J = 24.668 max(relative change in state) = 0.31703 n_iter = 5 J = 24.111 max(relative change in state) = 0.22242 n_iter = 6 J = 24.084 max(relative change in state) = 0.58671E-01 n_iter = 7 J = 24.057 max(relative change in state) = 0.62173E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 170 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 171 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 171 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 50.649 max(relative change in state) = - n_iter = 2 J = 41.927 max(relative change in state) = 0.43888 n_iter = 3 J = 29.644 max(relative change in state) = 1.1327 n_iter = 4 J = 28.554 max(relative change in state) = 0.23719 n_iter = 5 J = 31.271 max(relative change in state) = 0.43169 n_iter = 6 J = 28.414 max(relative change in state) = 0.32587 n_iter = 7 J = 28.380 max(relative change in state) = 0.10715E-01 n_iter = 8 J = 28.270 max(relative change in state) = 0.90886E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 171 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 172 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 172 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 61.609 max(relative change in state) = - n_iter = 2 J = 51.616 max(relative change in state) = 0.47788 n_iter = 3 J = 41.834 max(relative change in state) = 1.0502 n_iter = 4 J = 43.369 max(relative change in state) = 0.92218 n_iter = 5 J = 41.340 max(relative change in state) = 0.65671 n_iter = 6 J = 41.232 max(relative change in state) = 0.63176E-01 n_iter = 7 J = 40.964 max(relative change in state) = 0.24792 n_iter = 8 J = 40.806 max(relative change in state) = 0.68801E-01 n_iter = 9 J = 40.786 max(relative change in state) = 0.27417 n_iter = 10 J = 40.730 max(relative change in state) = 0.98025E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 172 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 173 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 173 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 60.887 max(relative change in state) = - n_iter = 2 J = 50.060 max(relative change in state) = 0.53592 n_iter = 3 J = 29.313 max(relative change in state) = 1.9023 n_iter = 4 J = 28.650 max(relative change in state) = 0.24615 n_iter = 5 J = 29.357 max(relative change in state) = 0.39651 n_iter = 6 J = 28.485 max(relative change in state) = 0.23545 n_iter = 7 J = 28.448 max(relative change in state) = 0.31121E-01 n_iter = 8 J = 28.382 max(relative change in state) = 0.14421 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 173 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 174 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 174 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 52.357 max(relative change in state) = - n_iter = 2 J = 43.009 max(relative change in state) = 0.43490 n_iter = 3 J = 23.917 max(relative change in state) = 1.6801 n_iter = 4 J = 23.179 max(relative change in state) = 0.61301 n_iter = 5 J = 22.436 max(relative change in state) = 0.28355 n_iter = 6 J = 22.328 max(relative change in state) = 0.17841 n_iter = 7 J = 22.265 max(relative change in state) = 0.11096 n_iter = 8 J = 22.223 max(relative change in state) = 0.32527E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 174 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 175 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 175 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 5 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 504.55 max(relative change in state) = - n_iter = 2 J = 911.89 max(relative change in state) = 12.281 n_iter = 3 J = 362.63 max(relative change in state) = 8.8743 n_iter = 4 J = 359.38 max(relative change in state) = 0.58783 n_iter = 5 J = 357.10 max(relative change in state) = 0.65499 n_iter = 6 J = 356.29 max(relative change in state) = 0.25806 n_iter = 7 J = 355.95 max(relative change in state) = 0.70247E-01 n_iter = 8 J = 355.80 max(relative change in state) = 0.50671 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 175 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 176 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 176 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 176 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 177 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 177 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 15.606 max(relative change in state) = - n_iter = 2 J = 12.885 max(relative change in state) = 0.39146 n_iter = 3 J = 9.2532 max(relative change in state) = 1.0287 n_iter = 4 J = 9.2677 max(relative change in state) = 0.29452 n_iter = 5 J = 9.1824 max(relative change in state) = 0.17739 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 177 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 178 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 178 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 125.84 max(relative change in state) = - n_iter = 2 J = 103.84 max(relative change in state) = 0.66854 n_iter = 3 J = 67.940 max(relative change in state) = 2.2892 n_iter = 4 J = 66.630 max(relative change in state) = 0.47480 n_iter = 5 J = 66.317 max(relative change in state) = 0.46746 n_iter = 6 J = 65.948 max(relative change in state) = 0.92897E-01 n_iter = 7 J = 65.881 max(relative change in state) = 0.34302E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 178 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 179 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 179 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 57.007 max(relative change in state) = - n_iter = 2 J = 47.158 max(relative change in state) = 0.49208 n_iter = 3 J = 31.283 max(relative change in state) = 1.4505 n_iter = 4 J = 45.473 max(relative change in state) = 2.7794 n_iter = 5 J = 30.886 max(relative change in state) = 2.3840 n_iter = 6 J = 30.797 max(relative change in state) = 0.20442E-01 n_iter = 7 J = 30.587 max(relative change in state) = 0.30762 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 179 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 180 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 180 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 150.03 max(relative change in state) = - n_iter = 2 J = 112.35 max(relative change in state) = 1.4871 n_iter = 3 J = 96.862 max(relative change in state) = 0.97937 n_iter = 4 J = 93.761 max(relative change in state) = 0.41877 n_iter = 5 J = 96.791 max(relative change in state) = 1.0226 n_iter = 6 J = 93.169 max(relative change in state) = 0.66393 n_iter = 7 J = 93.104 max(relative change in state) = 0.13134E-01 n_iter = 8 J = 92.806 max(relative change in state) = 0.20562 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 180 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 181 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 181 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 234.99 max(relative change in state) = - n_iter = 2 J = 122.59 max(relative change in state) = 4.4227 n_iter = 3 J = 112.73 max(relative change in state) = 1.1276 n_iter = 4 J = 112.37 max(relative change in state) = 0.85456 n_iter = 5 J = 110.35 max(relative change in state) = 0.37711 n_iter = 6 J = 109.80 max(relative change in state) = 0.31054 n_iter = 7 J = 109.37 max(relative change in state) = 0.22961 n_iter = 8 J = 108.83 max(relative change in state) = 0.37315 n_iter = 9 J = 108.08 max(relative change in state) = 0.56603 n_iter = 10 J = 107.88 max(relative change in state) = 0.17445 n_iter = 11 J = 107.71 max(relative change in state) = 0.77408E-01 n_iter = 12 J = 107.42 max(relative change in state) = 0.41198 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 181 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 182 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 182 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 214.22 max(relative change in state) = - n_iter = 2 J = 127.96 max(relative change in state) = 4.3023 n_iter = 3 J = 112.30 max(relative change in state) = 1.2088 n_iter = 4 J = 109.26 max(relative change in state) = 0.55264 n_iter = 5 J = 111.53 max(relative change in state) = 1.4066 n_iter = 6 J = 108.76 max(relative change in state) = 0.90758 n_iter = 7 J = 108.72 max(relative change in state) = 0.15388E-01 n_iter = 8 J = 108.62 max(relative change in state) = 0.21661 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 182 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 183 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 183 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 86.002 max(relative change in state) = - n_iter = 2 J = 71.835 max(relative change in state) = 0.56034 n_iter = 3 J = 58.590 max(relative change in state) = 1.0026 n_iter = 4 J = 57.188 max(relative change in state) = 0.37927 n_iter = 5 J = 56.221 max(relative change in state) = 0.44758 n_iter = 6 J = 55.448 max(relative change in state) = 0.71231E-01 n_iter = 7 J = 54.996 max(relative change in state) = 0.14249 n_iter = 8 J = 54.195 max(relative change in state) = 0.32629 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 183 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 184 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 184 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 102.88 max(relative change in state) = - n_iter = 2 J = 84.924 max(relative change in state) = 0.72089 n_iter = 3 J = 55.200 max(relative change in state) = 2.1569 n_iter = 4 J = 53.787 max(relative change in state) = 0.41777 n_iter = 5 J = 53.845 max(relative change in state) = 0.46351 n_iter = 6 J = 53.278 max(relative change in state) = 0.14438 n_iter = 7 J = 53.229 max(relative change in state) = 0.26124E-01 n_iter = 8 J = 53.107 max(relative change in state) = 0.15309 n_iter = 9 J = 53.137 max(relative change in state) = 0.95397E-01 n_iter = 10 J = 53.046 max(relative change in state) = 0.56504E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 184 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 185 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 185 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 271.21 max(relative change in state) = - n_iter = 2 J = 330.65 max(relative change in state) = 9.0003 n_iter = 3 J = 200.33 max(relative change in state) = 5.6634 n_iter = 4 J = 198.79 max(relative change in state) = 0.57562 n_iter = 5 J = 197.30 max(relative change in state) = 0.23099 n_iter = 6 J = 196.86 max(relative change in state) = 0.33581 n_iter = 7 J = 196.60 max(relative change in state) = 0.93093E-01 n_iter = 8 J = 196.75 max(relative change in state) = 0.21931 n_iter = 9 J = 196.29 max(relative change in state) = 0.73947E-01 n_iter = 10 J = 196.27 max(relative change in state) = 0.43511E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 185 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 186 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 186 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 125.73 max(relative change in state) = - n_iter = 2 J = 103.44 max(relative change in state) = 0.60612 n_iter = 3 J = 61.791 max(relative change in state) = 2.2976 n_iter = 4 J = 60.231 max(relative change in state) = 0.32204 n_iter = 5 J = 62.420 max(relative change in state) = 0.99559 n_iter = 6 J = 59.884 max(relative change in state) = 0.71959 n_iter = 7 J = 59.833 max(relative change in state) = 0.25382E-01 n_iter = 8 J = 59.652 max(relative change in state) = 0.18007 n_iter = 9 J = 59.689 max(relative change in state) = 0.30134 n_iter = 10 J = 59.615 max(relative change in state) = 0.20545 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 186 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 187 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 187 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 134.07 max(relative change in state) = - n_iter = 2 J = 113.22 max(relative change in state) = 0.73743 n_iter = 3 J = 98.426 max(relative change in state) = 1.1716 n_iter = 4 J = 104.53 max(relative change in state) = 2.1566 n_iter = 5 J = 97.743 max(relative change in state) = 1.7129 n_iter = 6 J = 97.610 max(relative change in state) = 0.78144E-01 n_iter = 7 J = 97.207 max(relative change in state) = 0.22918 n_iter = 8 J = 97.147 max(relative change in state) = 0.23313 n_iter = 9 J = 97.092 max(relative change in state) = 0.11303 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 187 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 188 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 188 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 41.830 max(relative change in state) = - n_iter = 2 J = 34.481 max(relative change in state) = 0.47223 n_iter = 3 J = 22.193 max(relative change in state) = 1.4236 n_iter = 4 J = 21.750 max(relative change in state) = 0.38968 n_iter = 5 J = 21.509 max(relative change in state) = 0.27434 n_iter = 6 J = 21.443 max(relative change in state) = 0.42882E-01 n_iter = 7 J = 21.428 max(relative change in state) = 0.29962E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 188 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 189 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 189 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 90.495 max(relative change in state) = - n_iter = 2 J = 74.169 max(relative change in state) = 0.61334 n_iter = 3 J = 40.474 max(relative change in state) = 2.7493 n_iter = 4 J = 40.070 max(relative change in state) = 0.36462 n_iter = 5 J = 39.616 max(relative change in state) = 0.93748E-01 n_iter = 6 J = 39.458 max(relative change in state) = 0.17617 n_iter = 7 J = 39.421 max(relative change in state) = 0.69961E-01 n_iter = 8 J = 39.369 max(relative change in state) = 0.42762E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 189 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 190 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 190 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 18.033 max(relative change in state) = - n_iter = 2 J = 14.965 max(relative change in state) = 0.28761 n_iter = 3 J = 10.744 max(relative change in state) = 0.69036 n_iter = 4 J = 10.522 max(relative change in state) = 0.32328 n_iter = 5 J = 10.386 max(relative change in state) = 0.26671 n_iter = 6 J = 10.342 max(relative change in state) = 0.22549E-01 n_iter = 7 J = 10.335 max(relative change in state) = 0.21288E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 190 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 191 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 191 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.329 max(relative change in state) = - n_iter = 2 J = 59.069 max(relative change in state) = 0.48646 n_iter = 3 J = 41.672 max(relative change in state) = 1.3602 n_iter = 4 J = 40.794 max(relative change in state) = 0.47483 n_iter = 5 J = 40.599 max(relative change in state) = 0.40507 n_iter = 6 J = 40.395 max(relative change in state) = 0.62793E-01 n_iter = 7 J = 40.374 max(relative change in state) = 0.23244E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 191 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 192 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 192 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 65.629 max(relative change in state) = - n_iter = 2 J = 54.120 max(relative change in state) = 0.53939 n_iter = 3 J = 36.321 max(relative change in state) = 1.4731 n_iter = 4 J = 36.236 max(relative change in state) = 0.52801 n_iter = 5 J = 35.879 max(relative change in state) = 0.30564 n_iter = 6 J = 35.837 max(relative change in state) = 0.12479 n_iter = 7 J = 35.811 max(relative change in state) = 0.66872E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 192 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 193 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 193 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 72.074 max(relative change in state) = - n_iter = 2 J = 59.206 max(relative change in state) = 0.46172 n_iter = 3 J = 35.272 max(relative change in state) = 1.6149 n_iter = 4 J = 33.972 max(relative change in state) = 0.28681 n_iter = 5 J = 36.457 max(relative change in state) = 0.66269 n_iter = 6 J = 33.679 max(relative change in state) = 0.54100 n_iter = 7 J = 33.615 max(relative change in state) = 0.22829E-01 n_iter = 8 J = 33.455 max(relative change in state) = 0.11825 n_iter = 9 J = 33.443 max(relative change in state) = 0.55671E-01 n_iter = 10 J = 33.424 max(relative change in state) = 0.23673E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 193 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 194 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 194 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 78.647 max(relative change in state) = - n_iter = 2 J = 64.755 max(relative change in state) = 0.59961 n_iter = 3 J = 43.104 max(relative change in state) = 2.2660 n_iter = 4 J = 42.616 max(relative change in state) = 0.25448 n_iter = 5 J = 42.582 max(relative change in state) = 0.26112 n_iter = 6 J = 42.426 max(relative change in state) = 0.60202E-01 n_iter = 7 J = 42.406 max(relative change in state) = 0.21621E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 194 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 195 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 195 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 195 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 196 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 196 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 61.303 max(relative change in state) = - n_iter = 2 J = 51.136 max(relative change in state) = 0.52037 n_iter = 3 J = 41.786 max(relative change in state) = 1.3799 n_iter = 4 J = 41.500 max(relative change in state) = 0.35404 n_iter = 5 J = 40.989 max(relative change in state) = 0.23909 n_iter = 6 J = 40.967 max(relative change in state) = 0.56641E-01 n_iter = 7 J = 40.918 max(relative change in state) = 0.10620 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 196 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 197 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 197 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 187.21 max(relative change in state) = - n_iter = 2 J = 131.06 max(relative change in state) = 4.3543 n_iter = 3 J = 123.33 max(relative change in state) = 1.0499 n_iter = 4 J = 122.39 max(relative change in state) = 0.30954 n_iter = 5 J = 122.62 max(relative change in state) = 0.63115 n_iter = 6 J = 122.08 max(relative change in state) = 0.27943 n_iter = 7 J = 122.03 max(relative change in state) = 0.94636E-01 n_iter = 8 J = 121.96 max(relative change in state) = 0.86234E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 197 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 198 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 198 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 134.13 max(relative change in state) = - n_iter = 2 J = 110.97 max(relative change in state) = 0.87089 n_iter = 3 J = 77.263 max(relative change in state) = 2.1997 n_iter = 4 J = 79.135 max(relative change in state) = 1.4775 n_iter = 5 J = 75.731 max(relative change in state) = 0.94027 n_iter = 6 J = 75.502 max(relative change in state) = 0.18259 n_iter = 7 J = 75.231 max(relative change in state) = 0.31491 n_iter = 8 J = 74.991 max(relative change in state) = 0.89376E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 198 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 199 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 199 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.384 max(relative change in state) = - n_iter = 2 J = 57.188 max(relative change in state) = 0.57107 n_iter = 3 J = 37.225 max(relative change in state) = 1.5057 n_iter = 4 J = 36.164 max(relative change in state) = 0.26950 n_iter = 5 J = 36.936 max(relative change in state) = 0.99969 n_iter = 6 J = 35.915 max(relative change in state) = 0.78436 n_iter = 7 J = 35.883 max(relative change in state) = 0.85399E-01 n_iter = 8 J = 35.867 max(relative change in state) = 0.10456 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 199 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 200 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 200 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 92.610 max(relative change in state) = - n_iter = 2 J = 78.613 max(relative change in state) = 0.68339 n_iter = 3 J = 68.699 max(relative change in state) = 1.3548 n_iter = 4 J = 67.343 max(relative change in state) = 0.36760 n_iter = 5 J = 66.441 max(relative change in state) = 0.46320 n_iter = 6 J = 65.963 max(relative change in state) = 0.86692E-01 n_iter = 7 J = 65.282 max(relative change in state) = 0.26320 n_iter = 8 J = 64.896 max(relative change in state) = 0.21360 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 200 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 201 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 201 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 231.08 max(relative change in state) = - n_iter = 2 J = 312.16 max(relative change in state) = 6.0477 n_iter = 3 J = 184.92 max(relative change in state) = 4.1895 n_iter = 4 J = 183.48 max(relative change in state) = 0.55623 n_iter = 5 J = 181.89 max(relative change in state) = 0.22056 n_iter = 6 J = 181.17 max(relative change in state) = 0.60462 n_iter = 7 J = 180.90 max(relative change in state) = 0.12118 n_iter = 8 J = 180.71 max(relative change in state) = 0.19319 n_iter = 9 J = 180.70 max(relative change in state) = 0.68709E-01 n_iter = 10 J = 180.62 max(relative change in state) = 0.31724E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 201 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 202 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 202 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 226.37 max(relative change in state) = - n_iter = 2 J = 227.50 max(relative change in state) = 4.4808 n_iter = 3 J = 166.15 max(relative change in state) = 3.0090 n_iter = 4 J = 164.92 max(relative change in state) = 0.75728 n_iter = 5 J = 163.80 max(relative change in state) = 0.24391 n_iter = 6 J = 163.32 max(relative change in state) = 0.34465 n_iter = 7 J = 163.04 max(relative change in state) = 0.88938E-01 n_iter = 8 J = 162.76 max(relative change in state) = 0.82454E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 202 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 203 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 203 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 170.33 max(relative change in state) = - n_iter = 2 J = 107.39 max(relative change in state) = 2.2867 n_iter = 3 J = 90.494 max(relative change in state) = 1.1823 n_iter = 4 J = 104.02 max(relative change in state) = 2.5694 n_iter = 5 J = 88.902 max(relative change in state) = 1.9948 n_iter = 6 J = 88.567 max(relative change in state) = 0.70083E-01 n_iter = 7 J = 87.433 max(relative change in state) = 0.30332 n_iter = 8 J = 87.462 max(relative change in state) = 0.41315 n_iter = 9 J = 87.291 max(relative change in state) = 0.20368 n_iter = 10 J = 87.271 max(relative change in state) = 0.91935E-01 n_iter = 11 J = 87.255 max(relative change in state) = 0.40934E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 203 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 204 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 204 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 186.92 max(relative change in state) = - n_iter = 2 J = 118.42 max(relative change in state) = 3.0285 n_iter = 3 J = 107.12 max(relative change in state) = 1.0548 n_iter = 4 J = 107.06 max(relative change in state) = 1.0912 n_iter = 5 J = 104.88 max(relative change in state) = 0.70299 n_iter = 6 J = 104.75 max(relative change in state) = 0.19354 n_iter = 7 J = 104.63 max(relative change in state) = 0.17652 n_iter = 8 J = 104.49 max(relative change in state) = 0.59741E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 204 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 205 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 205 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 110.72 max(relative change in state) = - n_iter = 2 J = 91.727 max(relative change in state) = 0.73782 n_iter = 3 J = 67.659 max(relative change in state) = 2.4669 n_iter = 4 J = 68.403 max(relative change in state) = 0.93077 n_iter = 5 J = 67.028 max(relative change in state) = 0.58432 n_iter = 6 J = 66.920 max(relative change in state) = 0.11681 n_iter = 7 J = 66.776 max(relative change in state) = 0.22032 n_iter = 8 J = 66.632 max(relative change in state) = 0.81470E-01 n_iter = 9 J = 66.664 max(relative change in state) = 0.59592 n_iter = 10 J = 66.359 max(relative change in state) = 0.39673 n_iter = 11 J = 66.331 max(relative change in state) = 0.43986E-01 n_iter = 12 J = 66.325 max(relative change in state) = 0.87017E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 205 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 206 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 206 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 115.99 max(relative change in state) = - n_iter = 2 J = 95.636 max(relative change in state) = 0.60256 n_iter = 3 J = 62.568 max(relative change in state) = 1.7365 n_iter = 4 J = 69.318 max(relative change in state) = 1.8137 n_iter = 5 J = 61.679 max(relative change in state) = 1.4350 n_iter = 6 J = 61.538 max(relative change in state) = 0.73691E-01 n_iter = 7 J = 61.187 max(relative change in state) = 0.21904 n_iter = 8 J = 61.063 max(relative change in state) = 0.20505 n_iter = 9 J = 60.985 max(relative change in state) = 0.11291 n_iter = 10 J = 60.961 max(relative change in state) = 0.44058E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 206 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 207 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 207 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 325.58 max(relative change in state) = - n_iter = 2 J = 259.36 max(relative change in state) = 8.0151 n_iter = 3 J = 188.88 max(relative change in state) = 3.7396 n_iter = 4 J = 194.08 max(relative change in state) = 2.0262 n_iter = 5 J = 186.29 max(relative change in state) = 1.2947 n_iter = 6 J = 185.67 max(relative change in state) = 0.13585 n_iter = 7 J = 183.88 max(relative change in state) = 0.61127 n_iter = 8 J = 182.37 max(relative change in state) = 0.20292 n_iter = 9 J = 182.00 max(relative change in state) = 0.71153 n_iter = 10 J = 181.60 max(relative change in state) = 0.20141 n_iter = 11 J = 181.48 max(relative change in state) = 0.30040 n_iter = 12 J = 181.39 max(relative change in state) = 0.98974E-01 n_iter = 13 J = 181.29 max(relative change in state) = 0.15134 n_iter = 14 J = 181.26 max(relative change in state) = 0.57235E-01 n_iter = 15 J = 181.23 max(relative change in state) = 0.20491 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 207 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 208 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 208 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 135.86 max(relative change in state) = - n_iter = 2 J = 113.96 max(relative change in state) = 0.81914 n_iter = 3 J = 93.098 max(relative change in state) = 1.4507 n_iter = 4 J = 91.702 max(relative change in state) = 0.43180 n_iter = 5 J = 93.344 max(relative change in state) = 1.2814 n_iter = 6 J = 91.361 max(relative change in state) = 0.85384 n_iter = 7 J = 91.333 max(relative change in state) = 0.39243E-01 n_iter = 8 J = 91.309 max(relative change in state) = 0.12285 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 208 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 209 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 209 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 137.29 max(relative change in state) = - n_iter = 2 J = 114.28 max(relative change in state) = 0.67782 n_iter = 3 J = 79.686 max(relative change in state) = 1.8258 n_iter = 4 J = 89.685 max(relative change in state) = 2.4870 n_iter = 5 J = 78.232 max(relative change in state) = 2.0180 n_iter = 6 J = 77.652 max(relative change in state) = 0.12715 n_iter = 7 J = 75.213 max(relative change in state) = 0.99510 n_iter = 8 J = 76.516 max(relative change in state) = 1.2556 n_iter = 9 J = 74.578 max(relative change in state) = 0.79586 n_iter = 10 J = 74.443 max(relative change in state) = 0.13707 n_iter = 11 J = 74.374 max(relative change in state) = 0.20230 n_iter = 12 J = 74.115 max(relative change in state) = 0.17631 n_iter = 13 J = 74.099 max(relative change in state) = 0.24615 n_iter = 14 J = 73.819 max(relative change in state) = 0.14235 n_iter = 15 J = 73.860 max(relative change in state) = 0.27962 n_iter = 16 J = 73.672 max(relative change in state) = 0.15400 n_iter = 17 J = 73.577 max(relative change in state) = 0.11951 n_iter = 18 J = 73.597 max(relative change in state) = 0.27519 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 209 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 210 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 210 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.343 max(relative change in state) = - n_iter = 2 J = 59.766 max(relative change in state) = 0.69332 n_iter = 3 J = 49.049 max(relative change in state) = 1.0894 n_iter = 4 J = 47.349 max(relative change in state) = 0.35425 n_iter = 5 J = 50.073 max(relative change in state) = 0.25222 n_iter = 6 J = 47.224 max(relative change in state) = 0.20662 n_iter = 7 J = 47.184 max(relative change in state) = 0.11412E-01 n_iter = 8 J = 47.022 max(relative change in state) = 0.15632 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 210 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 211 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 211 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 59.943 max(relative change in state) = - n_iter = 2 J = 49.470 max(relative change in state) = 0.36441 n_iter = 3 J = 31.869 max(relative change in state) = 1.1633 n_iter = 4 J = 29.815 max(relative change in state) = 0.83843 n_iter = 5 J = 28.251 max(relative change in state) = 0.56175 n_iter = 6 J = 28.003 max(relative change in state) = 0.88746E-01 n_iter = 7 J = 27.805 max(relative change in state) = 0.14375 n_iter = 8 J = 27.556 max(relative change in state) = 0.10987 n_iter = 9 J = 27.550 max(relative change in state) = 0.54333 n_iter = 10 J = 27.330 max(relative change in state) = 0.34717 n_iter = 11 J = 27.289 max(relative change in state) = 0.67932E-01 n_iter = 12 J = 27.272 max(relative change in state) = 0.21264E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 211 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 212 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 212 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 90.814 max(relative change in state) = - n_iter = 2 J = 74.734 max(relative change in state) = 0.48254 n_iter = 3 J = 43.124 max(relative change in state) = 2.4016 n_iter = 4 J = 44.710 max(relative change in state) = 1.1948 n_iter = 5 J = 42.392 max(relative change in state) = 0.81903 n_iter = 6 J = 42.221 max(relative change in state) = 0.11322 n_iter = 7 J = 41.910 max(relative change in state) = 0.37092 n_iter = 8 J = 41.582 max(relative change in state) = 0.15267 n_iter = 9 J = 41.910 max(relative change in state) = 0.49796 n_iter = 10 J = 41.388 max(relative change in state) = 0.17854 n_iter = 11 J = 41.337 max(relative change in state) = 0.90450E-01 n_iter = 12 J = 41.299 max(relative change in state) = 0.13300 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 212 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 213 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 213 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 50.179 max(relative change in state) = - n_iter = 2 J = 41.628 max(relative change in state) = 0.48714 n_iter = 3 J = 28.938 max(relative change in state) = 1.7138 n_iter = 4 J = 39.483 max(relative change in state) = 2.5020 n_iter = 5 J = 28.502 max(relative change in state) = 2.0993 n_iter = 6 J = 28.396 max(relative change in state) = 0.20524E-01 n_iter = 7 J = 27.998 max(relative change in state) = 0.29975 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 213 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 214 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 214 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 68.736 max(relative change in state) = - n_iter = 2 J = 57.277 max(relative change in state) = 0.62999 n_iter = 3 J = 44.928 max(relative change in state) = 1.3285 n_iter = 4 J = 43.468 max(relative change in state) = 0.41600 n_iter = 5 J = 43.289 max(relative change in state) = 0.50442 n_iter = 6 J = 42.617 max(relative change in state) = 0.13760 n_iter = 7 J = 42.495 max(relative change in state) = 0.40701E-01 n_iter = 8 J = 42.438 max(relative change in state) = 0.18366 n_iter = 9 J = 42.411 max(relative change in state) = 0.91320E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 214 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 215 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 215 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 38.899 max(relative change in state) = - n_iter = 2 J = 32.227 max(relative change in state) = 0.34427 n_iter = 3 J = 21.700 max(relative change in state) = 1.3344 n_iter = 4 J = 21.625 max(relative change in state) = 0.27283 n_iter = 5 J = 21.388 max(relative change in state) = 0.15799 n_iter = 6 J = 21.346 max(relative change in state) = 0.84577E-01 n_iter = 7 J = 21.318 max(relative change in state) = 0.98758E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 215 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 216 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 216 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 216 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 217 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 217 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 242.64 max(relative change in state) = - n_iter = 2 J = 113.41 max(relative change in state) = 3.7902 n_iter = 3 J = 102.34 max(relative change in state) = 0.95507 n_iter = 4 J = 100.24 max(relative change in state) = 1.3308 n_iter = 5 J = 96.876 max(relative change in state) = 0.88758 n_iter = 6 J = 96.452 max(relative change in state) = 0.20900 n_iter = 7 J = 95.958 max(relative change in state) = 0.39436 n_iter = 8 J = 95.574 max(relative change in state) = 0.11139 n_iter = 9 J = 95.421 max(relative change in state) = 0.32477 n_iter = 10 J = 95.337 max(relative change in state) = 0.86371E-01 n_iter = 11 J = 95.284 max(relative change in state) = 0.49731E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 217 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 218 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 218 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 402.64 max(relative change in state) = - n_iter = 2 J = 448.53 max(relative change in state) = 10.225 n_iter = 3 J = 260.90 max(relative change in state) = 5.9017 n_iter = 4 J = 259.58 max(relative change in state) = 1.1377 n_iter = 5 J = 257.38 max(relative change in state) = 0.34333 n_iter = 6 J = 256.13 max(relative change in state) = 0.56419 n_iter = 7 J = 255.47 max(relative change in state) = 0.29155 n_iter = 8 J = 254.67 max(relative change in state) = 0.39497 n_iter = 9 J = 254.39 max(relative change in state) = 0.18783 n_iter = 10 J = 254.34 max(relative change in state) = 0.58668E-01 n_iter = 11 J = 254.26 max(relative change in state) = 0.10365 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 218 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 219 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 219 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 59.742 max(relative change in state) = - n_iter = 2 J = 49.418 max(relative change in state) = 0.35566 n_iter = 3 J = 31.746 max(relative change in state) = 1.7140 n_iter = 4 J = 32.948 max(relative change in state) = 0.92112 n_iter = 5 J = 31.259 max(relative change in state) = 0.64037 n_iter = 6 J = 31.154 max(relative change in state) = 0.72904E-01 n_iter = 7 J = 30.902 max(relative change in state) = 0.25796 n_iter = 8 J = 30.737 max(relative change in state) = 0.96541E-01 n_iter = 9 J = 30.707 max(relative change in state) = 0.26766 n_iter = 10 J = 30.650 max(relative change in state) = 0.69239E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 219 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 220 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 220 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 198.95 max(relative change in state) = - n_iter = 2 J = 97.178 max(relative change in state) = 3.1963 n_iter = 3 J = 74.429 max(relative change in state) = 1.8788 n_iter = 4 J = 72.125 max(relative change in state) = 0.42183 n_iter = 5 J = 74.809 max(relative change in state) = 0.72549 n_iter = 6 J = 71.545 max(relative change in state) = 0.50232 n_iter = 7 J = 71.489 max(relative change in state) = 0.16023E-01 n_iter = 8 J = 71.263 max(relative change in state) = 0.16066 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 220 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 221 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 221 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 72.540 max(relative change in state) = - n_iter = 2 J = 59.866 max(relative change in state) = 0.57048 n_iter = 3 J = 40.255 max(relative change in state) = 1.7589 n_iter = 4 J = 45.219 max(relative change in state) = 1.9343 n_iter = 5 J = 39.728 max(relative change in state) = 1.4916 n_iter = 6 J = 39.600 max(relative change in state) = 0.33226E-01 n_iter = 7 J = 39.037 max(relative change in state) = 0.35469 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 221 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 222 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 222 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 171.74 max(relative change in state) = - n_iter = 2 J = 117.49 max(relative change in state) = 1.8762 n_iter = 3 J = 102.27 max(relative change in state) = 1.9032 n_iter = 4 J = 98.695 max(relative change in state) = 1.1733 n_iter = 5 J = 101.54 max(relative change in state) = 0.60165 n_iter = 6 J = 98.150 max(relative change in state) = 0.48683 n_iter = 7 J = 97.958 max(relative change in state) = 0.27853E-01 n_iter = 8 J = 97.844 max(relative change in state) = 0.15426 n_iter = 9 J = 97.593 max(relative change in state) = 0.90019E-01 n_iter = 10 J = 97.416 max(relative change in state) = 0.79729E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 222 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 223 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 223 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 135.92 max(relative change in state) = - n_iter = 2 J = 112.54 max(relative change in state) = 0.83953 n_iter = 3 J = 83.345 max(relative change in state) = 2.0463 n_iter = 4 J = 90.569 max(relative change in state) = 1.2909 n_iter = 5 J = 82.950 max(relative change in state) = 1.0719 n_iter = 6 J = 82.838 max(relative change in state) = 0.23571E-01 n_iter = 7 J = 82.360 max(relative change in state) = 0.26401 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 223 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 224 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 224 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 137.70 max(relative change in state) = - n_iter = 2 J = 112.93 max(relative change in state) = 0.68213 n_iter = 3 J = 73.960 max(relative change in state) = 1.8983 n_iter = 4 J = 78.702 max(relative change in state) = 1.7216 n_iter = 5 J = 73.228 max(relative change in state) = 1.3042 n_iter = 6 J = 73.027 max(relative change in state) = 0.53258E-01 n_iter = 7 J = 72.270 max(relative change in state) = 0.30444 n_iter = 8 J = 72.178 max(relative change in state) = 0.44349 n_iter = 9 J = 71.975 max(relative change in state) = 0.16356 n_iter = 10 J = 71.909 max(relative change in state) = 0.10538 n_iter = 11 J = 71.811 max(relative change in state) = 0.11969 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 224 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 225 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 225 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 97.880 max(relative change in state) = - n_iter = 2 J = 84.561 max(relative change in state) = 1.0590 n_iter = 3 J = 78.908 max(relative change in state) = 0.68622 n_iter = 4 J = 79.749 max(relative change in state) = 0.60187 n_iter = 5 J = 77.673 max(relative change in state) = 0.47683 n_iter = 6 J = 77.638 max(relative change in state) = 0.53816E-01 n_iter = 7 J = 77.554 max(relative change in state) = 0.11214 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 225 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 226 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 226 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 31.469 max(relative change in state) = - n_iter = 2 J = 26.011 max(relative change in state) = 0.40351 n_iter = 3 J = 17.339 max(relative change in state) = 1.1297 n_iter = 4 J = 17.073 max(relative change in state) = 0.25941 n_iter = 5 J = 17.195 max(relative change in state) = 0.39547 n_iter = 6 J = 16.960 max(relative change in state) = 0.19691 n_iter = 7 J = 16.951 max(relative change in state) = 0.11396E-01 n_iter = 8 J = 16.920 max(relative change in state) = 0.77572E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 226 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 227 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 227 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 37.583 max(relative change in state) = - n_iter = 2 J = 31.506 max(relative change in state) = 0.51293 n_iter = 3 J = 25.372 max(relative change in state) = 1.3453 n_iter = 4 J = 24.943 max(relative change in state) = 0.25962 n_iter = 5 J = 25.762 max(relative change in state) = 0.56759 n_iter = 6 J = 24.881 max(relative change in state) = 0.43176 n_iter = 7 J = 24.872 max(relative change in state) = 0.93588E-02 n_iter = 8 J = 24.839 max(relative change in state) = 0.10511 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 227 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 228 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 228 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 182.92 max(relative change in state) = - n_iter = 2 J = 129.97 max(relative change in state) = 3.4882 n_iter = 3 J = 118.69 max(relative change in state) = 0.79772 n_iter = 4 J = 115.68 max(relative change in state) = 0.87500 n_iter = 5 J = 113.75 max(relative change in state) = 0.63691 n_iter = 6 J = 113.35 max(relative change in state) = 0.68228E-01 n_iter = 7 J = 113.22 max(relative change in state) = 0.96932E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 228 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 229 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 229 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 282.31 max(relative change in state) = - n_iter = 2 J = 209.88 max(relative change in state) = 5.3701 n_iter = 3 J = 170.75 max(relative change in state) = 2.6881 n_iter = 4 J = 166.19 max(relative change in state) = 1.0810 n_iter = 5 J = 161.93 max(relative change in state) = 0.63392 n_iter = 6 J = 160.75 max(relative change in state) = 0.51771 n_iter = 7 J = 159.81 max(relative change in state) = 0.37104 n_iter = 8 J = 159.38 max(relative change in state) = 0.58740 n_iter = 9 J = 158.78 max(relative change in state) = 0.20810 n_iter = 10 J = 158.67 max(relative change in state) = 0.34698E-01 n_iter = 11 J = 158.40 max(relative change in state) = 0.36008 n_iter = 12 J = 158.20 max(relative change in state) = 0.22864 n_iter = 13 J = 158.14 max(relative change in state) = 0.41728E-01 n_iter = 14 J = 158.11 max(relative change in state) = 0.18249E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 229 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 230 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 230 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 63.743 max(relative change in state) = - n_iter = 2 J = 52.315 max(relative change in state) = 0.41176 n_iter = 3 J = 30.967 max(relative change in state) = 1.8447 n_iter = 4 J = 30.611 max(relative change in state) = 0.36770 n_iter = 5 J = 30.201 max(relative change in state) = 0.22608 n_iter = 6 J = 30.169 max(relative change in state) = 0.65815E-01 n_iter = 7 J = 30.093 max(relative change in state) = 0.11067 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 230 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 231 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 231 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.72 max(relative change in state) = - n_iter = 2 J = 84.147 max(relative change in state) = 0.50981 n_iter = 3 J = 59.330 max(relative change in state) = 1.3847 n_iter = 4 J = 58.007 max(relative change in state) = 0.25580 n_iter = 5 J = 60.821 max(relative change in state) = 1.2008 n_iter = 6 J = 57.769 max(relative change in state) = 0.93235 n_iter = 7 J = 57.732 max(relative change in state) = 0.16335E-01 n_iter = 8 J = 57.568 max(relative change in state) = 0.13488 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 231 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 232 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 232 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 79.532 max(relative change in state) = - n_iter = 2 J = 65.757 max(relative change in state) = 0.66744 n_iter = 3 J = 44.235 max(relative change in state) = 1.5816 n_iter = 4 J = 42.696 max(relative change in state) = 0.49668 n_iter = 5 J = 43.185 max(relative change in state) = 0.79651 n_iter = 6 J = 42.268 max(relative change in state) = 0.37315 n_iter = 7 J = 42.244 max(relative change in state) = 0.16630E-01 n_iter = 8 J = 42.196 max(relative change in state) = 0.21249 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 232 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 233 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 233 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 236.27 max(relative change in state) = - n_iter = 2 J = 164.13 max(relative change in state) = 4.1033 n_iter = 3 J = 144.03 max(relative change in state) = 1.7294 n_iter = 4 J = 149.44 max(relative change in state) = 2.5139 n_iter = 5 J = 140.67 max(relative change in state) = 1.5792 n_iter = 6 J = 140.02 max(relative change in state) = 0.31487 n_iter = 7 J = 139.14 max(relative change in state) = 0.49774 n_iter = 8 J = 138.15 max(relative change in state) = 0.29601 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 233 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 234 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 234 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 99.607 max(relative change in state) = - n_iter = 2 J = 82.997 max(relative change in state) = 0.54796 n_iter = 3 J = 60.873 max(relative change in state) = 1.6686 n_iter = 4 J = 62.538 max(relative change in state) = 1.1309 n_iter = 5 J = 60.003 max(relative change in state) = 0.77161 n_iter = 6 J = 59.859 max(relative change in state) = 0.11320 n_iter = 7 J = 59.601 max(relative change in state) = 0.28850 n_iter = 8 J = 59.378 max(relative change in state) = 0.12438 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 234 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 235 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 235 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.29 max(relative change in state) = - n_iter = 2 J = 89.374 max(relative change in state) = 1.2102 n_iter = 3 J = 86.150 max(relative change in state) = 0.41939 n_iter = 4 J = 88.093 max(relative change in state) = 1.3843 n_iter = 5 J = 86.322 max(relative change in state) = 0.38223 n_iter = 6 J = 85.121 max(relative change in state) = 0.14223 n_iter = 7 J = 84.955 max(relative change in state) = 0.26892E-01 n_iter = 8 J = 84.672 max(relative change in state) = 0.91030E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 235 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 236 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 236 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 83.648 max(relative change in state) = - n_iter = 2 J = 69.069 max(relative change in state) = 0.51199 n_iter = 3 J = 49.400 max(relative change in state) = 1.7326 n_iter = 4 J = 47.784 max(relative change in state) = 0.49326 n_iter = 5 J = 48.327 max(relative change in state) = 0.30263 n_iter = 6 J = 47.136 max(relative change in state) = 0.18080 n_iter = 7 J = 47.006 max(relative change in state) = 0.39557E-01 n_iter = 8 J = 46.323 max(relative change in state) = 0.40814 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 236 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 237 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 237 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 237 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 238 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 238 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 154.05 max(relative change in state) = - n_iter = 2 J = 121.28 max(relative change in state) = 2.0524 n_iter = 3 J = 116.58 max(relative change in state) = 0.62017 n_iter = 4 J = 115.14 max(relative change in state) = 0.33323 n_iter = 5 J = 116.52 max(relative change in state) = 1.4189 n_iter = 6 J = 114.81 max(relative change in state) = 1.0537 n_iter = 7 J = 114.69 max(relative change in state) = 0.72192E-01 n_iter = 8 J = 114.71 max(relative change in state) = 0.25018 n_iter = 9 J = 114.57 max(relative change in state) = 0.23068 n_iter = 10 J = 114.51 max(relative change in state) = 0.97177E-01 n_iter = 11 J = 114.49 max(relative change in state) = 0.61956E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 238 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 239 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 239 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 133.68 max(relative change in state) = - n_iter = 2 J = 109.32 max(relative change in state) = 0.88717 n_iter = 3 J = 55.284 max(relative change in state) = 4.4717 n_iter = 4 J = 54.672 max(relative change in state) = 0.27142 n_iter = 5 J = 54.344 max(relative change in state) = 0.20750 n_iter = 6 J = 54.240 max(relative change in state) = 0.40498E-01 n_iter = 7 J = 54.138 max(relative change in state) = 0.91516E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 239 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 240 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 240 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 158.64 max(relative change in state) = - n_iter = 2 J = 103.33 max(relative change in state) = 1.4816 n_iter = 3 J = 65.179 max(relative change in state) = 2.5026 n_iter = 4 J = 63.659 max(relative change in state) = 0.86534 n_iter = 5 J = 61.959 max(relative change in state) = 0.54993 n_iter = 6 J = 61.841 max(relative change in state) = 0.11868 n_iter = 7 J = 61.706 max(relative change in state) = 0.18176 n_iter = 8 J = 61.549 max(relative change in state) = 0.81626E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 240 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 241 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 241 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 106.69 max(relative change in state) = - n_iter = 2 J = 88.283 max(relative change in state) = 0.70439 n_iter = 3 J = 57.517 max(relative change in state) = 2.2110 n_iter = 4 J = 56.676 max(relative change in state) = 0.52766 n_iter = 5 J = 56.317 max(relative change in state) = 0.39672 n_iter = 6 J = 56.088 max(relative change in state) = 0.73706E-01 n_iter = 7 J = 55.963 max(relative change in state) = 0.51690E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 241 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 242 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 242 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 39.685 max(relative change in state) = - n_iter = 2 J = 32.927 max(relative change in state) = 0.45346 n_iter = 3 J = 24.181 max(relative change in state) = 0.94331 n_iter = 4 J = 24.244 max(relative change in state) = 0.60747 n_iter = 5 J = 23.507 max(relative change in state) = 0.32871 n_iter = 6 J = 23.440 max(relative change in state) = 0.14242 n_iter = 7 J = 23.412 max(relative change in state) = 0.70894E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 242 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 243 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 243 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 86.428 max(relative change in state) = - n_iter = 2 J = 70.879 max(relative change in state) = 0.49576 n_iter = 3 J = 46.381 max(relative change in state) = 1.5506 n_iter = 4 J = 48.776 max(relative change in state) = 1.2261 n_iter = 5 J = 52.902 max(relative change in state) = 1.2142 n_iter = 6 J = 48.717 max(relative change in state) = 0.82915 n_iter = 7 J = 48.546 max(relative change in state) = 0.86765E-01 n_iter = 8 J = 48.155 max(relative change in state) = 0.46134E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 243 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 244 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 244 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 256.87 max(relative change in state) = - n_iter = 2 J = 203.32 max(relative change in state) = 5.8258 n_iter = 3 J = 159.91 max(relative change in state) = 2.8161 n_iter = 4 J = 157.59 max(relative change in state) = 0.59124 n_iter = 5 J = 155.81 max(relative change in state) = 0.34574 n_iter = 6 J = 155.41 max(relative change in state) = 0.26063 n_iter = 7 J = 155.40 max(relative change in state) = 0.24812 n_iter = 8 J = 154.80 max(relative change in state) = 0.37690E-01 n_iter = 9 J = 154.75 max(relative change in state) = 0.36492E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 244 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 245 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 245 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 295.83 max(relative change in state) = - n_iter = 2 J = 186.20 max(relative change in state) = 8.1180 n_iter = 3 J = 152.44 max(relative change in state) = 2.3487 n_iter = 4 J = 150.93 max(relative change in state) = 0.61151 n_iter = 5 J = 150.30 max(relative change in state) = 0.42032 n_iter = 6 J = 150.00 max(relative change in state) = 0.81352E-01 n_iter = 7 J = 149.92 max(relative change in state) = 0.44615E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 245 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 246 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 246 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 237.70 max(relative change in state) = - n_iter = 2 J = 408.31 max(relative change in state) = 8.3070 n_iter = 3 J = 198.09 max(relative change in state) = 6.3883 n_iter = 4 J = 196.68 max(relative change in state) = 0.61723 n_iter = 5 J = 195.41 max(relative change in state) = 0.21058 n_iter = 6 J = 195.02 max(relative change in state) = 0.46856 n_iter = 7 J = 194.90 max(relative change in state) = 0.44232E-01 n_iter = 8 J = 194.81 max(relative change in state) = 0.24114 n_iter = 9 J = 194.77 max(relative change in state) = 0.15207 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 246 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 247 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 247 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 103.65 max(relative change in state) = - n_iter = 2 J = 86.537 max(relative change in state) = 0.67619 n_iter = 3 J = 58.822 max(relative change in state) = 2.1728 n_iter = 4 J = 57.433 max(relative change in state) = 0.23508 n_iter = 5 J = 59.795 max(relative change in state) = 1.0341 n_iter = 6 J = 57.031 max(relative change in state) = 0.74948 n_iter = 7 J = 56.956 max(relative change in state) = 0.30880E-01 n_iter = 8 J = 56.810 max(relative change in state) = 0.16040 n_iter = 9 J = 56.763 max(relative change in state) = 0.28341 n_iter = 10 J = 56.678 max(relative change in state) = 0.87271E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 247 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 248 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 248 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 179.41 max(relative change in state) = - n_iter = 2 J = 99.068 max(relative change in state) = 2.5599 n_iter = 3 J = 70.367 max(relative change in state) = 2.1432 n_iter = 4 J = 67.740 max(relative change in state) = 0.40297 n_iter = 5 J = 69.335 max(relative change in state) = 0.82531 n_iter = 6 J = 66.944 max(relative change in state) = 0.46094 n_iter = 7 J = 66.871 max(relative change in state) = 0.18921E-01 n_iter = 8 J = 66.504 max(relative change in state) = 0.22140 n_iter = 9 J = 66.656 max(relative change in state) = 0.32513 n_iter = 10 J = 66.473 max(relative change in state) = 0.23994 n_iter = 11 J = 66.466 max(relative change in state) = 0.14452E-01 n_iter = 12 J = 66.444 max(relative change in state) = 0.58075E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 248 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 249 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 249 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 457.70 max(relative change in state) = - n_iter = 2 J = 283.90 max(relative change in state) = 9.3772 n_iter = 3 J = 215.79 max(relative change in state) = 3.1711 n_iter = 4 J = 202.83 max(relative change in state) = 1.2854 n_iter = 5 J = 202.84 max(relative change in state) = 1.0794 n_iter = 6 J = 196.40 max(relative change in state) = 0.47986 n_iter = 7 J = 195.44 max(relative change in state) = 0.78993E-01 n_iter = 8 J = 194.26 max(relative change in state) = 0.39734 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 249 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 250 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 250 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 185.43 max(relative change in state) = - n_iter = 2 J = 143.55 max(relative change in state) = 3.2836 n_iter = 3 J = 132.88 max(relative change in state) = 1.3761 n_iter = 4 J = 133.64 max(relative change in state) = 0.73259 n_iter = 5 J = 132.11 max(relative change in state) = 0.58982 n_iter = 6 J = 131.76 max(relative change in state) = 0.68423E-01 n_iter = 7 J = 131.29 max(relative change in state) = 0.19337 n_iter = 8 J = 131.12 max(relative change in state) = 0.17172 n_iter = 9 J = 130.93 max(relative change in state) = 0.82749E-01 n_iter = 10 J = 130.76 max(relative change in state) = 0.54048E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 250 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 251 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 251 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.118 max(relative change in state) = - n_iter = 2 J = 42.425 max(relative change in state) = 0.48524 n_iter = 3 J = 30.560 max(relative change in state) = 1.2596 n_iter = 4 J = 29.253 max(relative change in state) = 0.36275 n_iter = 5 J = 29.559 max(relative change in state) = 0.23648 n_iter = 6 J = 29.053 max(relative change in state) = 0.98540E-01 n_iter = 7 J = 29.045 max(relative change in state) = 0.16599E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 251 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 252 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 252 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 107.73 max(relative change in state) = - n_iter = 2 J = 88.522 max(relative change in state) = 0.63349 n_iter = 3 J = 51.333 max(relative change in state) = 2.4826 n_iter = 4 J = 49.441 max(relative change in state) = 0.31654 n_iter = 5 J = 52.831 max(relative change in state) = 1.0488 n_iter = 6 J = 49.030 max(relative change in state) = 0.78523 n_iter = 7 J = 48.982 max(relative change in state) = 0.21396E-01 n_iter = 8 J = 48.885 max(relative change in state) = 0.12570 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 252 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 253 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 253 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 348.03 max(relative change in state) = - n_iter = 2 J = 194.20 max(relative change in state) = 6.4509 n_iter = 3 J = 158.34 max(relative change in state) = 2.1366 n_iter = 4 J = 154.15 max(relative change in state) = 0.44849 n_iter = 5 J = 152.60 max(relative change in state) = 0.93157 n_iter = 6 J = 151.65 max(relative change in state) = 0.79213 n_iter = 7 J = 151.31 max(relative change in state) = 0.56614E-01 n_iter = 8 J = 151.26 max(relative change in state) = 0.46582E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 253 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 254 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 254 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 97.878 max(relative change in state) = - n_iter = 2 J = 81.050 max(relative change in state) = 0.63881 n_iter = 3 J = 52.802 max(relative change in state) = 2.3181 n_iter = 4 J = 50.827 max(relative change in state) = 0.53639 n_iter = 5 J = 50.366 max(relative change in state) = 0.50474 n_iter = 6 J = 49.801 max(relative change in state) = 0.12091 n_iter = 7 J = 49.736 max(relative change in state) = 0.25794E-01 n_iter = 8 J = 49.688 max(relative change in state) = 0.19925 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 254 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 255 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 255 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 128.69 max(relative change in state) = - n_iter = 2 J = 105.37 max(relative change in state) = 0.46807 n_iter = 3 J = 51.684 max(relative change in state) = 1.9462 n_iter = 4 J = 49.467 max(relative change in state) = 0.40247 n_iter = 5 J = 54.288 max(relative change in state) = 1.0279 n_iter = 6 J = 49.017 max(relative change in state) = 0.82586 n_iter = 7 J = 48.887 max(relative change in state) = 0.54812E-01 n_iter = 8 J = 48.614 max(relative change in state) = 0.17685 n_iter = 9 J = 48.525 max(relative change in state) = 0.10602 n_iter = 10 J = 48.478 max(relative change in state) = 0.34118E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 255 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 256 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 256 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 75.249 max(relative change in state) = - n_iter = 2 J = 62.305 max(relative change in state) = 0.59429 n_iter = 3 J = 43.111 max(relative change in state) = 1.3993 n_iter = 4 J = 42.164 max(relative change in state) = 0.81587 n_iter = 5 J = 40.759 max(relative change in state) = 0.37932 n_iter = 6 J = 40.511 max(relative change in state) = 0.26635 n_iter = 7 J = 40.337 max(relative change in state) = 0.19788 n_iter = 8 J = 40.162 max(relative change in state) = 0.11810 n_iter = 9 J = 40.252 max(relative change in state) = 0.16828 n_iter = 10 J = 40.080 max(relative change in state) = 0.79313E-01 n_iter = 11 J = 40.075 max(relative change in state) = 0.19368E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 256 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 257 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 257 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 203.26 max(relative change in state) = - n_iter = 2 J = 104.57 max(relative change in state) = 3.3478 n_iter = 3 J = 85.303 max(relative change in state) = 1.7118 n_iter = 4 J = 80.564 max(relative change in state) = 1.0081 n_iter = 5 J = 86.510 max(relative change in state) = 1.8092 n_iter = 6 J = 79.975 max(relative change in state) = 1.3870 n_iter = 7 J = 79.846 max(relative change in state) = 0.27633E-01 n_iter = 8 J = 79.391 max(relative change in state) = 0.25359 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 257 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 258 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 258 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.241 max(relative change in state) = - n_iter = 2 J = 57.483 max(relative change in state) = 0.52484 n_iter = 3 J = 37.686 max(relative change in state) = 1.9768 n_iter = 4 J = 39.980 max(relative change in state) = 1.2220 n_iter = 5 J = 37.057 max(relative change in state) = 0.94522 n_iter = 6 J = 36.987 max(relative change in state) = 0.91266E-01 n_iter = 7 J = 36.893 max(relative change in state) = 0.21863 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 258 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 259 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 259 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 130.62 max(relative change in state) = - n_iter = 2 J = 108.62 max(relative change in state) = 0.88908 n_iter = 3 J = 75.720 max(relative change in state) = 1.7597 n_iter = 4 J = 74.983 max(relative change in state) = 0.80306 n_iter = 5 J = 73.924 max(relative change in state) = 0.81528 n_iter = 6 J = 73.491 max(relative change in state) = 0.15172 n_iter = 7 J = 73.409 max(relative change in state) = 0.25405E-01 n_iter = 8 J = 73.214 max(relative change in state) = 0.13800 n_iter = 9 J = 73.263 max(relative change in state) = 0.14613 n_iter = 10 J = 73.085 max(relative change in state) = 0.65297E-01 n_iter = 11 J = 73.057 max(relative change in state) = 0.20115E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 259 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 260 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 260 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 148.78 max(relative change in state) = - n_iter = 2 J = 115.80 max(relative change in state) = 0.98708 n_iter = 3 J = 92.449 max(relative change in state) = 2.0086 n_iter = 4 J = 95.264 max(relative change in state) = 1.3384 n_iter = 5 J = 90.594 max(relative change in state) = 0.99592 n_iter = 6 J = 90.403 max(relative change in state) = 0.14944 n_iter = 7 J = 90.162 max(relative change in state) = 0.33951 n_iter = 8 J = 89.828 max(relative change in state) = 0.10541 n_iter = 9 J = 89.815 max(relative change in state) = 0.15171 n_iter = 10 J = 89.512 max(relative change in state) = 0.13678 n_iter = 11 J = 89.451 max(relative change in state) = 0.24934E-01 n_iter = 12 J = 89.321 max(relative change in state) = 0.82235E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 260 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 261 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 261 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 126.81 max(relative change in state) = - n_iter = 2 J = 105.32 max(relative change in state) = 0.56640 n_iter = 3 J = 77.678 max(relative change in state) = 1.5562 n_iter = 4 J = 77.056 max(relative change in state) = 0.53311 n_iter = 5 J = 76.653 max(relative change in state) = 0.63886 n_iter = 6 J = 76.265 max(relative change in state) = 0.15666 n_iter = 7 J = 76.157 max(relative change in state) = 0.34270E-01 n_iter = 8 J = 75.996 max(relative change in state) = 0.13178 n_iter = 9 J = 76.136 max(relative change in state) = 0.15283 n_iter = 10 J = 75.900 max(relative change in state) = 0.10894 n_iter = 11 J = 75.866 max(relative change in state) = 0.20642E-01 n_iter = 12 J = 75.875 max(relative change in state) = 0.10537 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 261 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 262 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 262 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 120.13 max(relative change in state) = - n_iter = 2 J = 98.724 max(relative change in state) = 0.64719 n_iter = 3 J = 60.642 max(relative change in state) = 2.0626 n_iter = 4 J = 59.496 max(relative change in state) = 0.25214 n_iter = 5 J = 60.178 max(relative change in state) = 0.97446 n_iter = 6 J = 58.962 max(relative change in state) = 0.62764 n_iter = 7 J = 58.914 max(relative change in state) = 0.12125 n_iter = 8 J = 58.885 max(relative change in state) = 0.69554E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 262 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 263 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 263 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 185.53 max(relative change in state) = - n_iter = 2 J = 104.50 max(relative change in state) = 3.4761 n_iter = 3 J = 85.166 max(relative change in state) = 1.5235 n_iter = 4 J = 85.637 max(relative change in state) = 1.1791 n_iter = 5 J = 82.598 max(relative change in state) = 0.74828 n_iter = 6 J = 82.454 max(relative change in state) = 0.21602 n_iter = 7 J = 82.371 max(relative change in state) = 0.15001 n_iter = 8 J = 82.228 max(relative change in state) = 0.89681E-01 n_iter = 9 J = 82.039 max(relative change in state) = 0.32116 n_iter = 10 J = 81.928 max(relative change in state) = 0.24293 n_iter = 11 J = 81.898 max(relative change in state) = 0.36277E-01 n_iter = 12 J = 81.872 max(relative change in state) = 0.36210E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 263 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 264 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 264 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 52.192 max(relative change in state) = - n_iter = 2 J = 43.640 max(relative change in state) = 0.44825 n_iter = 3 J = 33.109 max(relative change in state) = 1.1072 n_iter = 4 J = 32.922 max(relative change in state) = 0.78162 n_iter = 5 J = 31.771 max(relative change in state) = 0.42503 n_iter = 6 J = 31.603 max(relative change in state) = 0.20926 n_iter = 7 J = 31.530 max(relative change in state) = 0.18754 n_iter = 8 J = 31.415 max(relative change in state) = 0.72276E-01 n_iter = 9 J = 31.284 max(relative change in state) = 0.12248 n_iter = 10 J = 31.201 max(relative change in state) = 0.50285E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 264 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 265 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 265 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 420.32 max(relative change in state) = - n_iter = 2 J = 460.26 max(relative change in state) = 12.322 n_iter = 3 J = 254.14 max(relative change in state) = 6.7322 n_iter = 4 J = 248.22 max(relative change in state) = 0.81426 n_iter = 5 J = 242.22 max(relative change in state) = 0.84515 n_iter = 6 J = 241.39 max(relative change in state) = 0.97514 n_iter = 7 J = 240.91 max(relative change in state) = 0.25548 n_iter = 8 J = 240.59 max(relative change in state) = 0.36571 n_iter = 9 J = 240.45 max(relative change in state) = 0.11834 n_iter = 10 J = 240.38 max(relative change in state) = 0.12167 n_iter = 11 J = 240.33 max(relative change in state) = 0.22795E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 265 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 266 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 266 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 207.46 max(relative change in state) = - n_iter = 2 J = 110.95 max(relative change in state) = 3.3352 n_iter = 3 J = 103.35 max(relative change in state) = 0.79601 n_iter = 4 J = 104.57 max(relative change in state) = 1.2632 n_iter = 5 J = 101.31 max(relative change in state) = 0.82411 n_iter = 6 J = 101.17 max(relative change in state) = 0.18947 n_iter = 7 J = 101.07 max(relative change in state) = 0.17764 n_iter = 8 J = 100.91 max(relative change in state) = 0.10148 n_iter = 9 J = 100.64 max(relative change in state) = 0.33922 n_iter = 10 J = 100.57 max(relative change in state) = 0.30955 n_iter = 11 J = 100.52 max(relative change in state) = 0.60710E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 266 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 267 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 267 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 56.834 max(relative change in state) = - n_iter = 2 J = 46.701 max(relative change in state) = 0.50405 n_iter = 3 J = 25.715 max(relative change in state) = 1.9963 n_iter = 4 J = 25.474 max(relative change in state) = 0.64828 n_iter = 5 J = 24.624 max(relative change in state) = 0.28083 n_iter = 6 J = 24.435 max(relative change in state) = 0.22256 n_iter = 7 J = 24.359 max(relative change in state) = 0.10965 n_iter = 8 J = 24.175 max(relative change in state) = 0.11002 n_iter = 9 J = 24.038 max(relative change in state) = 0.10229 n_iter = 10 J = 24.004 max(relative change in state) = 0.10741 n_iter = 11 J = 23.976 max(relative change in state) = 0.31781E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 267 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 268 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 268 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.514 max(relative change in state) = - n_iter = 2 J = 66.593 max(relative change in state) = 0.73754 n_iter = 3 J = 46.191 max(relative change in state) = 1.5710 n_iter = 4 J = 47.969 max(relative change in state) = 1.2787 n_iter = 5 J = 45.697 max(relative change in state) = 0.93418 n_iter = 6 J = 45.624 max(relative change in state) = 0.86770E-01 n_iter = 7 J = 45.481 max(relative change in state) = 0.21093 n_iter = 8 J = 45.407 max(relative change in state) = 0.76837E-01 n_iter = 9 J = 45.447 max(relative change in state) = 0.17605 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 268 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 269 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 269 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 195.90 max(relative change in state) = - n_iter = 2 J = 158.07 max(relative change in state) = 3.8800 n_iter = 3 J = 139.94 max(relative change in state) = 1.5594 n_iter = 4 J = 138.24 max(relative change in state) = 0.26847 n_iter = 5 J = 140.04 max(relative change in state) = 0.82851 n_iter = 6 J = 137.36 max(relative change in state) = 0.55157 n_iter = 7 J = 137.25 max(relative change in state) = 0.55718E-01 n_iter = 8 J = 136.80 max(relative change in state) = 0.24541 n_iter = 9 J = 136.44 max(relative change in state) = 0.25795 n_iter = 10 J = 136.34 max(relative change in state) = 0.16832 n_iter = 11 J = 136.25 max(relative change in state) = 0.52448E-01 n_iter = 12 J = 136.33 max(relative change in state) = 0.78984 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 269 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 270 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 270 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 82.602 max(relative change in state) = - n_iter = 2 J = 69.781 max(relative change in state) = 0.81325 n_iter = 3 J = 61.284 max(relative change in state) = 1.0883 n_iter = 4 J = 60.718 max(relative change in state) = 0.52643 n_iter = 5 J = 60.051 max(relative change in state) = 0.23623 n_iter = 6 J = 59.972 max(relative change in state) = 0.15145 n_iter = 7 J = 59.922 max(relative change in state) = 0.13851 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 270 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 271 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 271 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 112.23 max(relative change in state) = - n_iter = 2 J = 92.652 max(relative change in state) = 0.72590 n_iter = 3 J = 62.505 max(relative change in state) = 2.6666 n_iter = 4 J = 62.163 max(relative change in state) = 0.42614 n_iter = 5 J = 61.342 max(relative change in state) = 0.32300 n_iter = 6 J = 61.275 max(relative change in state) = 0.51184E-01 n_iter = 7 J = 60.957 max(relative change in state) = 0.19106 n_iter = 8 J = 61.021 max(relative change in state) = 0.10977 n_iter = 9 J = 60.877 max(relative change in state) = 0.45131E-01 n_iter = 10 J = 60.860 max(relative change in state) = 0.12894E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 271 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 272 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 272 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 159.31 max(relative change in state) = - n_iter = 2 J = 101.12 max(relative change in state) = 1.6949 n_iter = 3 J = 59.324 max(relative change in state) = 2.6738 n_iter = 4 J = 58.392 max(relative change in state) = 0.41221 n_iter = 5 J = 57.838 max(relative change in state) = 0.24841 n_iter = 6 J = 57.699 max(relative change in state) = 0.12095 n_iter = 7 J = 57.643 max(relative change in state) = 0.51430E-01 n_iter = 8 J = 57.571 max(relative change in state) = 0.10612 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 272 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 273 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 273 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 20.463 max(relative change in state) = - n_iter = 2 J = 16.937 max(relative change in state) = 0.41082 n_iter = 3 J = 12.651 max(relative change in state) = 1.0722 n_iter = 4 J = 12.649 max(relative change in state) = 0.15886 n_iter = 5 J = 12.525 max(relative change in state) = 0.91199E-01 n_iter = 6 J = 12.513 max(relative change in state) = 0.37311E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 273 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 274 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 274 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.57 max(relative change in state) = - n_iter = 2 J = 82.891 max(relative change in state) = 0.47533 n_iter = 3 J = 34.283 max(relative change in state) = 2.3250 n_iter = 4 J = 33.214 max(relative change in state) = 0.23615 n_iter = 5 J = 35.442 max(relative change in state) = 1.0183 n_iter = 6 J = 32.952 max(relative change in state) = 0.81174 n_iter = 7 J = 32.893 max(relative change in state) = 0.38087E-01 n_iter = 8 J = 32.764 max(relative change in state) = 0.15063 n_iter = 9 J = 32.712 max(relative change in state) = 0.16221 n_iter = 10 J = 32.668 max(relative change in state) = 0.55476E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 274 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 275 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 275 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 25.375 max(relative change in state) = - n_iter = 2 J = 20.916 max(relative change in state) = 0.38573 n_iter = 3 J = 13.878 max(relative change in state) = 1.1930 n_iter = 4 J = 16.219 max(relative change in state) = 1.3277 n_iter = 5 J = 13.749 max(relative change in state) = 1.0866 n_iter = 6 J = 13.722 max(relative change in state) = 0.22000E-01 n_iter = 7 J = 13.612 max(relative change in state) = 0.99683E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 275 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 276 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 276 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 165.94 max(relative change in state) = - n_iter = 2 J = 113.14 max(relative change in state) = 2.0340 n_iter = 3 J = 99.596 max(relative change in state) = 1.4076 n_iter = 4 J = 108.32 max(relative change in state) = 2.4413 n_iter = 5 J = 98.237 max(relative change in state) = 1.8476 n_iter = 6 J = 97.948 max(relative change in state) = 0.93012E-01 n_iter = 7 J = 96.865 max(relative change in state) = 0.40567 n_iter = 8 J = 96.858 max(relative change in state) = 0.53688 n_iter = 9 J = 96.687 max(relative change in state) = 0.29312 n_iter = 10 J = 96.665 max(relative change in state) = 0.38767E-01 n_iter = 11 J = 96.616 max(relative change in state) = 0.94270E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 276 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 277 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 277 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 277 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 278 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 278 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 166.99 max(relative change in state) = - n_iter = 2 J = 117.51 max(relative change in state) = 2.5045 n_iter = 3 J = 111.82 max(relative change in state) = 0.85054 n_iter = 4 J = 111.59 max(relative change in state) = 0.40711 n_iter = 5 J = 110.39 max(relative change in state) = 0.22149 n_iter = 6 J = 110.24 max(relative change in state) = 0.46887E-01 n_iter = 7 J = 110.61 max(relative change in state) = 0.31007 n_iter = 8 J = 109.92 max(relative change in state) = 0.16295 n_iter = 9 J = 109.80 max(relative change in state) = 0.57572E-01 n_iter = 10 J = 110.05 max(relative change in state) = 0.19631 n_iter = 11 J = 109.61 max(relative change in state) = 0.15381 n_iter = 12 J = 109.53 max(relative change in state) = 0.42006E-01 n_iter = 13 J = 109.30 max(relative change in state) = 0.22944 n_iter = 14 J = 109.17 max(relative change in state) = 0.27594 n_iter = 15 J = 108.98 max(relative change in state) = 0.69824E-01 n_iter = 16 J = 108.92 max(relative change in state) = 0.53695E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 278 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 279 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 279 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 194.63 max(relative change in state) = - n_iter = 2 J = 109.64 max(relative change in state) = 3.9681 n_iter = 3 J = 95.029 max(relative change in state) = 1.8997 n_iter = 4 J = 101.67 max(relative change in state) = 2.1449 n_iter = 5 J = 93.864 max(relative change in state) = 1.6050 n_iter = 6 J = 93.630 max(relative change in state) = 0.87791E-01 n_iter = 7 J = 92.862 max(relative change in state) = 0.33512 n_iter = 8 J = 92.796 max(relative change in state) = 0.40704 n_iter = 9 J = 92.692 max(relative change in state) = 0.20760 n_iter = 10 J = 92.665 max(relative change in state) = 0.60521E-01 n_iter = 11 J = 92.636 max(relative change in state) = 0.39996E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 279 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 280 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 280 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 85.648 max(relative change in state) = - n_iter = 2 J = 70.815 max(relative change in state) = 0.53168 n_iter = 3 J = 49.942 max(relative change in state) = 1.4486 n_iter = 4 J = 50.359 max(relative change in state) = 1.0602 n_iter = 5 J = 48.345 max(relative change in state) = 0.68913 n_iter = 6 J = 48.258 max(relative change in state) = 0.16943 n_iter = 7 J = 48.193 max(relative change in state) = 0.13484 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 280 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 281 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 281 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 35.545 max(relative change in state) = - n_iter = 2 J = 29.591 max(relative change in state) = 0.54865 n_iter = 3 J = 23.167 max(relative change in state) = 1.1115 n_iter = 4 J = 22.918 max(relative change in state) = 0.46565 n_iter = 5 J = 22.472 max(relative change in state) = 0.20531 n_iter = 6 J = 22.382 max(relative change in state) = 0.16622 n_iter = 7 J = 22.335 max(relative change in state) = 0.99140E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 281 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 282 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 282 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 72.629 max(relative change in state) = - n_iter = 2 J = 60.482 max(relative change in state) = 0.53174 n_iter = 3 J = 46.364 max(relative change in state) = 1.4780 n_iter = 4 J = 50.563 max(relative change in state) = 1.7968 n_iter = 5 J = 45.270 max(relative change in state) = 1.2908 n_iter = 6 J = 45.066 max(relative change in state) = 0.10181 n_iter = 7 J = 44.431 max(relative change in state) = 0.37037 n_iter = 8 J = 44.161 max(relative change in state) = 0.24985 n_iter = 9 J = 44.131 max(relative change in state) = 0.91189E-01 n_iter = 10 J = 44.059 max(relative change in state) = 0.18932E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 282 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 283 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 283 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 73.249 max(relative change in state) = - n_iter = 2 J = 63.050 max(relative change in state) = 0.60810 n_iter = 3 J = 58.503 max(relative change in state) = 0.76214 n_iter = 4 J = 58.251 max(relative change in state) = 0.31595 n_iter = 5 J = 58.191 max(relative change in state) = 0.24107 n_iter = 6 J = 57.981 max(relative change in state) = 0.10547 n_iter = 7 J = 57.933 max(relative change in state) = 0.18783E-01 n_iter = 8 J = 57.807 max(relative change in state) = 0.11754 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 283 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 284 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 284 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 95.945 max(relative change in state) = - n_iter = 2 J = 79.826 max(relative change in state) = 0.70206 n_iter = 3 J = 62.120 max(relative change in state) = 2.2461 n_iter = 4 J = 67.702 max(relative change in state) = 1.8419 n_iter = 5 J = 61.792 max(relative change in state) = 1.5001 n_iter = 6 J = 61.715 max(relative change in state) = 0.20962E-01 n_iter = 7 J = 61.261 max(relative change in state) = 0.26352 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 284 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 285 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 285 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 126.74 max(relative change in state) = - n_iter = 2 J = 104.55 max(relative change in state) = 0.91454 n_iter = 3 J = 71.845 max(relative change in state) = 2.8468 n_iter = 4 J = 70.743 max(relative change in state) = 0.64607 n_iter = 5 J = 69.369 max(relative change in state) = 0.21405 n_iter = 6 J = 68.771 max(relative change in state) = 0.33260 n_iter = 7 J = 68.664 max(relative change in state) = 0.10869 n_iter = 8 J = 68.606 max(relative change in state) = 0.38749E-01 n_iter = 9 J = 68.549 max(relative change in state) = 0.88057E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 285 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 286 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 286 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 59.693 max(relative change in state) = - n_iter = 2 J = 49.717 max(relative change in state) = 0.49960 n_iter = 3 J = 36.070 max(relative change in state) = 1.7516 n_iter = 4 J = 36.636 max(relative change in state) = 0.92338 n_iter = 5 J = 35.221 max(relative change in state) = 0.57547 n_iter = 6 J = 35.016 max(relative change in state) = 0.18809 n_iter = 7 J = 34.925 max(relative change in state) = 0.26086 n_iter = 8 J = 34.657 max(relative change in state) = 0.12310 n_iter = 9 J = 34.673 max(relative change in state) = 0.19100 n_iter = 10 J = 34.403 max(relative change in state) = 0.71888E-01 n_iter = 11 J = 34.291 max(relative change in state) = 0.57706E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 286 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 287 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 287 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 72.349 max(relative change in state) = - n_iter = 2 J = 60.878 max(relative change in state) = 0.68642 n_iter = 3 J = 51.608 max(relative change in state) = 1.5008 n_iter = 4 J = 58.174 max(relative change in state) = 1.8111 n_iter = 5 J = 51.190 max(relative change in state) = 1.4809 n_iter = 6 J = 51.085 max(relative change in state) = 0.24602E-01 n_iter = 7 J = 50.655 max(relative change in state) = 0.23173 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 287 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 288 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 288 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 79.361 max(relative change in state) = - n_iter = 2 J = 67.054 max(relative change in state) = 0.58858 n_iter = 3 J = 46.158 max(relative change in state) = 2.7464 n_iter = 4 J = 50.822 max(relative change in state) = 1.8293 n_iter = 5 J = 45.327 max(relative change in state) = 1.4155 n_iter = 6 J = 44.993 max(relative change in state) = 0.10064 n_iter = 7 J = 44.736 max(relative change in state) = 0.51102 n_iter = 8 J = 44.220 max(relative change in state) = 0.40235 n_iter = 9 J = 43.854 max(relative change in state) = 0.25437 n_iter = 10 J = 43.781 max(relative change in state) = 0.12732 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 288 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 289 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 289 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 198.26 max(relative change in state) = - n_iter = 2 J = 104.38 max(relative change in state) = 3.3832 n_iter = 3 J = 88.270 max(relative change in state) = 1.4395 n_iter = 4 J = 87.198 max(relative change in state) = 0.39498 n_iter = 5 J = 86.488 max(relative change in state) = 0.31835 n_iter = 6 J = 86.376 max(relative change in state) = 0.31263E-01 n_iter = 7 J = 86.296 max(relative change in state) = 0.45732E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 289 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 290 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 290 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 290 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 291 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 291 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 181.28 max(relative change in state) = - n_iter = 2 J = 102.34 max(relative change in state) = 2.9146 n_iter = 3 J = 80.196 max(relative change in state) = 1.5975 n_iter = 4 J = 79.820 max(relative change in state) = 0.97513 n_iter = 5 J = 77.977 max(relative change in state) = 0.98077 n_iter = 6 J = 77.203 max(relative change in state) = 0.14707 n_iter = 7 J = 76.984 max(relative change in state) = 0.45899E-01 n_iter = 8 J = 76.426 max(relative change in state) = 0.19958 n_iter = 9 J = 76.464 max(relative change in state) = 0.45929 n_iter = 10 J = 76.122 max(relative change in state) = 0.18969 n_iter = 11 J = 76.104 max(relative change in state) = 0.14045E-01 n_iter = 12 J = 75.980 max(relative change in state) = 0.18163 n_iter = 13 J = 75.974 max(relative change in state) = 0.73049E-01 n_iter = 14 J = 75.933 max(relative change in state) = 0.19226E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 291 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 292 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 292 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.56 max(relative change in state) = - n_iter = 2 J = 90.394 max(relative change in state) = 0.77156 n_iter = 3 J = 69.779 max(relative change in state) = 1.4697 n_iter = 4 J = 70.546 max(relative change in state) = 0.81001 n_iter = 5 J = 68.609 max(relative change in state) = 0.50595 n_iter = 6 J = 68.493 max(relative change in state) = 0.12287 n_iter = 7 J = 68.418 max(relative change in state) = 0.12300 n_iter = 8 J = 68.327 max(relative change in state) = 0.83066E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 292 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 293 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 293 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 153.15 max(relative change in state) = - n_iter = 2 J = 105.39 max(relative change in state) = 1.2713 n_iter = 3 J = 64.509 max(relative change in state) = 2.2156 n_iter = 4 J = 62.492 max(relative change in state) = 0.50385 n_iter = 5 J = 67.440 max(relative change in state) = 1.2834 n_iter = 6 J = 61.900 max(relative change in state) = 1.0004 n_iter = 7 J = 61.764 max(relative change in state) = 0.35787E-01 n_iter = 8 J = 61.560 max(relative change in state) = 0.30350 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 293 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 294 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 294 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 187.74 max(relative change in state) = - n_iter = 2 J = 107.29 max(relative change in state) = 2.6760 n_iter = 3 J = 92.819 max(relative change in state) = 1.4568 n_iter = 4 J = 103.73 max(relative change in state) = 2.5258 n_iter = 5 J = 91.482 max(relative change in state) = 1.9653 n_iter = 6 J = 91.152 max(relative change in state) = 0.74452E-01 n_iter = 7 J = 89.860 max(relative change in state) = 0.47504 n_iter = 8 J = 89.947 max(relative change in state) = 0.54763 n_iter = 9 J = 89.670 max(relative change in state) = 0.28718 n_iter = 10 J = 89.638 max(relative change in state) = 0.10264 n_iter = 11 J = 89.603 max(relative change in state) = 0.70742E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 294 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 295 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 295 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 272.11 max(relative change in state) = - n_iter = 2 J = 270.66 max(relative change in state) = 7.0646 n_iter = 3 J = 186.72 max(relative change in state) = 3.9740 n_iter = 4 J = 185.03 max(relative change in state) = 0.36083 n_iter = 5 J = 183.30 max(relative change in state) = 0.23235 n_iter = 6 J = 182.81 max(relative change in state) = 0.20317 n_iter = 7 J = 182.51 max(relative change in state) = 0.61030E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 295 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 296 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 296 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 57.637 max(relative change in state) = - n_iter = 2 J = 47.719 max(relative change in state) = 0.42607 n_iter = 3 J = 33.505 max(relative change in state) = 1.3262 n_iter = 4 J = 33.270 max(relative change in state) = 0.46055 n_iter = 5 J = 32.890 max(relative change in state) = 0.27583 n_iter = 6 J = 32.799 max(relative change in state) = 0.21335E-01 n_iter = 7 J = 32.731 max(relative change in state) = 0.59173E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 296 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 297 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 297 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 63.601 max(relative change in state) = - n_iter = 2 J = 52.409 max(relative change in state) = 0.50560 n_iter = 3 J = 35.700 max(relative change in state) = 1.8131 n_iter = 4 J = 36.896 max(relative change in state) = 0.52488 n_iter = 5 J = 35.341 max(relative change in state) = 0.40451 n_iter = 6 J = 35.296 max(relative change in state) = 0.33484E-01 n_iter = 7 J = 35.193 max(relative change in state) = 0.99876E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 297 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 298 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 298 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 268.31 max(relative change in state) = - n_iter = 2 J = 184.51 max(relative change in state) = 7.7011 n_iter = 3 J = 144.81 max(relative change in state) = 2.4160 n_iter = 4 J = 143.08 max(relative change in state) = 0.50487 n_iter = 5 J = 141.61 max(relative change in state) = 0.32681 n_iter = 6 J = 141.24 max(relative change in state) = 0.33946 n_iter = 7 J = 140.94 max(relative change in state) = 0.10926 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 298 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 299 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 299 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 106.05 max(relative change in state) = - n_iter = 2 J = 87.100 max(relative change in state) = 0.59915 n_iter = 3 J = 48.295 max(relative change in state) = 2.0414 n_iter = 4 J = 49.261 max(relative change in state) = 1.0282 n_iter = 5 J = 47.051 max(relative change in state) = 0.63229 n_iter = 6 J = 46.899 max(relative change in state) = 0.14489 n_iter = 7 J = 46.753 max(relative change in state) = 0.19819 n_iter = 8 J = 46.574 max(relative change in state) = 0.99805E-01 n_iter = 9 J = 46.482 max(relative change in state) = 0.51625 n_iter = 10 J = 46.232 max(relative change in state) = 0.28446 n_iter = 11 J = 46.191 max(relative change in state) = 0.49878E-01 n_iter = 12 J = 46.163 max(relative change in state) = 0.53965E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 299 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 300 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 300 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 323.57 max(relative change in state) = - n_iter = 2 J = 947.85 max(relative change in state) = 11.093 n_iter = 3 J = 279.70 max(relative change in state) = 9.4291 n_iter = 4 J = 282.92 max(relative change in state) = 1.4450 n_iter = 5 J = 279.00 max(relative change in state) = 1.0515 n_iter = 6 J = 278.82 max(relative change in state) = 0.60013E-01 n_iter = 7 J = 278.08 max(relative change in state) = 0.31832 n_iter = 8 J = 277.93 max(relative change in state) = 0.30718 n_iter = 9 J = 277.76 max(relative change in state) = 0.63098E-01 n_iter = 10 J = 277.71 max(relative change in state) = 0.46791E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 300 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 301 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 301 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 157.07 max(relative change in state) = - n_iter = 2 J = 105.90 max(relative change in state) = 1.5558 n_iter = 3 J = 74.175 max(relative change in state) = 2.1561 n_iter = 4 J = 72.796 max(relative change in state) = 0.57617 n_iter = 5 J = 72.753 max(relative change in state) = 0.51028 n_iter = 6 J = 72.004 max(relative change in state) = 0.21503 n_iter = 7 J = 71.898 max(relative change in state) = 0.32585E-01 n_iter = 8 J = 71.776 max(relative change in state) = 0.24068 n_iter = 9 J = 71.680 max(relative change in state) = 0.17388 n_iter = 10 J = 71.572 max(relative change in state) = 0.34641E-01 n_iter = 11 J = 71.464 max(relative change in state) = 0.11429 n_iter = 12 J = 71.392 max(relative change in state) = 0.75319E-01 n_iter = 13 J = 71.345 max(relative change in state) = 0.22262 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 301 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 302 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 302 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 199.70 max(relative change in state) = - n_iter = 2 J = 157.41 max(relative change in state) = 3.4299 n_iter = 3 J = 142.26 max(relative change in state) = 1.0613 n_iter = 4 J = 140.95 max(relative change in state) = 0.23691 n_iter = 5 J = 140.00 max(relative change in state) = 0.25284 n_iter = 6 J = 139.53 max(relative change in state) = 0.57730E-01 n_iter = 7 J = 138.94 max(relative change in state) = 0.18414 n_iter = 8 J = 139.44 max(relative change in state) = 0.26143 n_iter = 9 J = 138.73 max(relative change in state) = 0.13169 n_iter = 10 J = 138.60 max(relative change in state) = 0.33907E-01 n_iter = 11 J = 138.96 max(relative change in state) = 0.27382 n_iter = 12 J = 138.48 max(relative change in state) = 0.31112 n_iter = 13 J = 138.40 max(relative change in state) = 0.46617E-01 n_iter = 14 J = 138.34 max(relative change in state) = 0.55786E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 302 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 303 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 303 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.842 max(relative change in state) = - n_iter = 2 J = 59.545 max(relative change in state) = 0.57136 n_iter = 3 J = 44.481 max(relative change in state) = 1.6633 n_iter = 4 J = 50.694 max(relative change in state) = 1.5042 n_iter = 5 J = 44.009 max(relative change in state) = 1.2472 n_iter = 6 J = 43.928 max(relative change in state) = 0.40732E-01 n_iter = 7 J = 43.749 max(relative change in state) = 0.14231 n_iter = 8 J = 43.686 max(relative change in state) = 0.84954E-01 n_iter = 9 J = 43.638 max(relative change in state) = 0.40898E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 303 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 304 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 304 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 114.82 max(relative change in state) = - n_iter = 2 J = 96.734 max(relative change in state) = 0.68430 n_iter = 3 J = 63.210 max(relative change in state) = 2.3465 n_iter = 4 J = 59.712 max(relative change in state) = 0.96633 n_iter = 5 J = 64.954 max(relative change in state) = 1.4203 n_iter = 6 J = 59.124 max(relative change in state) = 1.0525 n_iter = 7 J = 59.046 max(relative change in state) = 0.17343E-01 n_iter = 8 J = 58.666 max(relative change in state) = 0.22864 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 304 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 305 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 305 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 44.274 max(relative change in state) = - n_iter = 2 J = 36.334 max(relative change in state) = 0.49575 n_iter = 3 J = 21.034 max(relative change in state) = 1.9058 n_iter = 4 J = 20.779 max(relative change in state) = 0.40071 n_iter = 5 J = 20.441 max(relative change in state) = 0.15630 n_iter = 6 J = 20.351 max(relative change in state) = 0.16628 n_iter = 7 J = 20.319 max(relative change in state) = 0.83002E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 305 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 306 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 306 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 170.53 max(relative change in state) = - n_iter = 2 J = 122.45 max(relative change in state) = 2.2617 n_iter = 3 J = 113.43 max(relative change in state) = 1.3272 n_iter = 4 J = 112.44 max(relative change in state) = 0.44672 n_iter = 5 J = 112.87 max(relative change in state) = 0.26529 n_iter = 6 J = 111.72 max(relative change in state) = 0.18196 n_iter = 7 J = 111.28 max(relative change in state) = 0.95534E-01 n_iter = 8 J = 111.35 max(relative change in state) = 0.16034 n_iter = 9 J = 110.54 max(relative change in state) = 0.13652 n_iter = 10 J = 109.53 max(relative change in state) = 0.31804 n_iter = 11 J = 109.19 max(relative change in state) = 0.14902 n_iter = 12 J = 108.83 max(relative change in state) = 0.10862 n_iter = 13 J = 107.88 max(relative change in state) = 0.51451 n_iter = 14 J = 108.18 max(relative change in state) = 0.45133 n_iter = 15 J = 107.55 max(relative change in state) = 0.13040 n_iter = 16 J = 107.45 max(relative change in state) = 0.43805E-01 n_iter = 17 J = 107.11 max(relative change in state) = 0.46435 n_iter = 18 J = 107.44 max(relative change in state) = 0.53885 n_iter = 19 J = 106.96 max(relative change in state) = 0.33141 n_iter = 20 J = 106.92 max(relative change in state) = 0.19541E-01 n_iter = 21 J = 106.81 max(relative change in state) = 0.14888 n_iter = 22 J = 106.83 max(relative change in state) = 0.17575 n_iter = 23 J = 106.76 max(relative change in state) = 0.90709E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 23. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 306 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 307 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 307 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 156.89 max(relative change in state) = - n_iter = 2 J = 110.08 max(relative change in state) = 1.5938 n_iter = 3 J = 91.241 max(relative change in state) = 1.5423 n_iter = 4 J = 86.716 max(relative change in state) = 0.64977 n_iter = 5 J = 96.465 max(relative change in state) = 0.43465 n_iter = 6 J = 86.440 max(relative change in state) = 0.39486 n_iter = 7 J = 86.365 max(relative change in state) = 0.16758E-01 n_iter = 8 J = 86.063 max(relative change in state) = 0.24603 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 307 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 308 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 308 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 31.931 max(relative change in state) = - n_iter = 2 J = 26.778 max(relative change in state) = 0.28936 n_iter = 3 J = 19.445 max(relative change in state) = 0.92729 n_iter = 4 J = 19.221 max(relative change in state) = 0.36870 n_iter = 5 J = 18.661 max(relative change in state) = 0.23829 n_iter = 6 J = 18.495 max(relative change in state) = 0.11183 n_iter = 7 J = 18.464 max(relative change in state) = 0.16086 n_iter = 8 J = 18.371 max(relative change in state) = 0.18696 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 308 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 309 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 309 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 104.28 max(relative change in state) = - n_iter = 2 J = 87.222 max(relative change in state) = 0.80805 n_iter = 3 J = 71.245 max(relative change in state) = 1.3891 n_iter = 4 J = 70.741 max(relative change in state) = 0.71062 n_iter = 5 J = 70.121 max(relative change in state) = 0.39448 n_iter = 6 J = 70.025 max(relative change in state) = 0.18141 n_iter = 7 J = 69.970 max(relative change in state) = 0.88835E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 309 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 310 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 310 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.15 max(relative change in state) = - n_iter = 2 J = 89.878 max(relative change in state) = 0.75087 n_iter = 3 J = 66.106 max(relative change in state) = 2.3257 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 310 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 311 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 311 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 8 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 334.78 max(relative change in state) = - n_iter = 2 J = 226.69 max(relative change in state) = 6.7993 n_iter = 3 J = 172.97 max(relative change in state) = 2.4840 n_iter = 4 J = 168.44 max(relative change in state) = 0.47735 n_iter = 5 J = 170.33 max(relative change in state) = 0.63629 n_iter = 6 J = 165.98 max(relative change in state) = 0.33859 n_iter = 7 J = 165.72 max(relative change in state) = 0.55770E-01 n_iter = 8 J = 165.31 max(relative change in state) = 0.18912 n_iter = 9 J = 165.15 max(relative change in state) = 0.16667 n_iter = 10 J = 165.00 max(relative change in state) = 0.25493E-01 n_iter = 11 J = 164.80 max(relative change in state) = 0.60903E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 311 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 312 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 312 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.894 max(relative change in state) = - n_iter = 2 J = 57.403 max(relative change in state) = 0.47883 n_iter = 3 J = 33.231 max(relative change in state) = 1.5286 n_iter = 4 J = 31.704 max(relative change in state) = 0.31966 n_iter = 5 J = 32.765 max(relative change in state) = 0.70702 n_iter = 6 J = 31.204 max(relative change in state) = 0.40485 n_iter = 7 J = 31.161 max(relative change in state) = 0.19845E-01 n_iter = 8 J = 30.980 max(relative change in state) = 0.18689 n_iter = 9 J = 31.075 max(relative change in state) = 0.33902 n_iter = 10 J = 30.922 max(relative change in state) = 0.20883 n_iter = 11 J = 30.910 max(relative change in state) = 0.25198E-01 n_iter = 12 J = 30.902 max(relative change in state) = 0.10024 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 312 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 313 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 313 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 22.870 max(relative change in state) = - n_iter = 2 J = 19.125 max(relative change in state) = 0.36032 n_iter = 3 J = 15.526 max(relative change in state) = 0.80740 n_iter = 4 J = 15.158 max(relative change in state) = 0.26302 n_iter = 5 J = 15.181 max(relative change in state) = 0.26385 n_iter = 6 J = 15.014 max(relative change in state) = 0.97822E-01 n_iter = 7 J = 15.008 max(relative change in state) = 0.10225E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 313 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 314 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 314 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 132.87 max(relative change in state) = - n_iter = 2 J = 109.12 max(relative change in state) = 0.69209 n_iter = 3 J = 74.663 max(relative change in state) = 1.9715 n_iter = 4 J = 76.012 max(relative change in state) = 1.3950 n_iter = 5 J = 70.880 max(relative change in state) = 0.85290 n_iter = 6 J = 70.161 max(relative change in state) = 0.32675 n_iter = 7 J = 69.123 max(relative change in state) = 0.36607 n_iter = 8 J = 68.990 max(relative change in state) = 0.34570 n_iter = 9 J = 67.948 max(relative change in state) = 0.51467 n_iter = 10 J = 67.216 max(relative change in state) = 0.54223 n_iter = 11 J = 66.553 max(relative change in state) = 0.22130 n_iter = 12 J = 66.831 max(relative change in state) = 0.83323 n_iter = 13 J = 65.589 max(relative change in state) = 0.22591 n_iter = 14 J = 65.572 max(relative change in state) = 0.29902E-01 n_iter = 15 J = 65.561 max(relative change in state) = 0.28984E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 314 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 315 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 315 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 170.87 max(relative change in state) = - n_iter = 2 J = 107.28 max(relative change in state) = 2.1715 n_iter = 3 J = 87.913 max(relative change in state) = 2.1328 n_iter = 4 J = 89.896 max(relative change in state) = 1.0373 n_iter = 5 J = 86.619 max(relative change in state) = 0.70819 n_iter = 6 J = 86.469 max(relative change in state) = 0.11170 n_iter = 7 J = 86.294 max(relative change in state) = 0.21210 n_iter = 8 J = 86.158 max(relative change in state) = 0.69710E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 315 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 316 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 316 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 213.29 max(relative change in state) = - n_iter = 2 J = 138.50 max(relative change in state) = 3.8430 n_iter = 3 J = 125.48 max(relative change in state) = 1.1733 n_iter = 4 J = 122.36 max(relative change in state) = 0.42062 n_iter = 5 J = 123.73 max(relative change in state) = 1.2829 n_iter = 6 J = 121.25 max(relative change in state) = 0.87189 n_iter = 7 J = 121.15 max(relative change in state) = 0.15530 n_iter = 8 J = 121.07 max(relative change in state) = 0.17504 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 316 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 317 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 317 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 197.76 max(relative change in state) = - n_iter = 2 J = 136.12 max(relative change in state) = 4.3813 n_iter = 3 J = 122.34 max(relative change in state) = 0.92177 n_iter = 4 J = 116.58 max(relative change in state) = 0.63082 n_iter = 5 J = 117.99 max(relative change in state) = 1.5232 n_iter = 6 J = 115.18 max(relative change in state) = 1.0506 n_iter = 7 J = 115.06 max(relative change in state) = 0.19724 n_iter = 8 J = 115.00 max(relative change in state) = 0.15617 n_iter = 9 J = 114.94 max(relative change in state) = 0.59789E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 317 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 318 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 318 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 200.28 max(relative change in state) = - n_iter = 2 J = 109.05 max(relative change in state) = 3.1901 n_iter = 3 J = 98.654 max(relative change in state) = 1.9574 n_iter = 4 J = 97.639 max(relative change in state) = 0.71733 n_iter = 5 J = 97.271 max(relative change in state) = 0.17184 n_iter = 6 J = 96.885 max(relative change in state) = 0.12650 n_iter = 7 J = 96.824 max(relative change in state) = 0.40757E-01 n_iter = 8 J = 96.608 max(relative change in state) = 0.19375 n_iter = 9 J = 96.551 max(relative change in state) = 0.21259 n_iter = 10 J = 96.490 max(relative change in state) = 0.46807E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 318 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 319 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 319 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 40.489 max(relative change in state) = - n_iter = 2 J = 33.894 max(relative change in state) = 0.52570 n_iter = 3 J = 27.693 max(relative change in state) = 0.80483 n_iter = 4 J = 27.136 max(relative change in state) = 0.24623 n_iter = 5 J = 27.688 max(relative change in state) = 0.73976 n_iter = 6 J = 26.990 max(relative change in state) = 0.48149 n_iter = 7 J = 26.976 max(relative change in state) = 0.22827E-01 n_iter = 8 J = 26.904 max(relative change in state) = 0.11514 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 319 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 320 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 320 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 113.55 max(relative change in state) = - n_iter = 2 J = 93.186 max(relative change in state) = 0.52991 n_iter = 3 J = 53.055 max(relative change in state) = 2.0143 n_iter = 4 J = 52.638 max(relative change in state) = 0.66444 n_iter = 5 J = 51.478 max(relative change in state) = 0.31948 n_iter = 6 J = 51.277 max(relative change in state) = 0.22761 n_iter = 7 J = 51.177 max(relative change in state) = 0.11689 n_iter = 8 J = 50.969 max(relative change in state) = 0.13388 n_iter = 9 J = 50.827 max(relative change in state) = 0.11033 n_iter = 10 J = 50.792 max(relative change in state) = 0.81793E-01 n_iter = 11 J = 50.776 max(relative change in state) = 0.53232E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 320 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 321 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 321 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 62.758 max(relative change in state) = - n_iter = 2 J = 52.782 max(relative change in state) = 0.60971 n_iter = 3 J = 44.023 max(relative change in state) = 1.4165 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 321 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 322 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 322 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 131.20 max(relative change in state) = - n_iter = 2 J = 110.26 max(relative change in state) = 1.0014 n_iter = 3 J = 95.086 max(relative change in state) = 1.4263 n_iter = 4 J = 94.684 max(relative change in state) = 0.58380 n_iter = 5 J = 93.902 max(relative change in state) = 0.29669 n_iter = 6 J = 93.807 max(relative change in state) = 0.17036 n_iter = 7 J = 93.746 max(relative change in state) = 0.12057 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 322 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 323 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 323 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 46.531 max(relative change in state) = - n_iter = 2 J = 38.536 max(relative change in state) = 0.46540 n_iter = 3 J = 27.759 max(relative change in state) = 1.0490 n_iter = 4 J = 27.466 max(relative change in state) = 0.21075 n_iter = 5 J = 27.274 max(relative change in state) = 0.14456 n_iter = 6 J = 27.221 max(relative change in state) = 0.23404E-01 n_iter = 7 J = 27.191 max(relative change in state) = 0.24234E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 323 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 324 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 324 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 48.158 max(relative change in state) = - n_iter = 2 J = 40.385 max(relative change in state) = 0.56197 n_iter = 3 J = 32.458 max(relative change in state) = 1.1262 n_iter = 4 J = 32.137 max(relative change in state) = 0.18409 n_iter = 5 J = 31.750 max(relative change in state) = 0.12241 n_iter = 6 J = 31.722 max(relative change in state) = 0.18610E-01 n_iter = 7 J = 31.688 max(relative change in state) = 0.31967E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 324 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 325 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 325 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 325 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 326 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 326 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 131.20 max(relative change in state) = - n_iter = 2 J = 108.52 max(relative change in state) = 0.90002 n_iter = 3 J = 78.978 max(relative change in state) = 2.5639 n_iter = 4 J = 77.724 max(relative change in state) = 0.26305 n_iter = 5 J = 79.796 max(relative change in state) = 1.3426 n_iter = 6 J = 77.236 max(relative change in state) = 1.0730 n_iter = 7 J = 77.181 max(relative change in state) = 0.11651 n_iter = 8 J = 77.146 max(relative change in state) = 0.15471 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 326 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 327 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 327 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 451.09 max(relative change in state) = - n_iter = 2 J = 2163.1 max(relative change in state) = 26.186 n_iter = 3 J = 401.36 max(relative change in state) = 22.578 n_iter = 4 J = 403.23 max(relative change in state) = 1.0380 n_iter = 5 J = 400.75 max(relative change in state) = 0.72463 n_iter = 6 J = 400.62 max(relative change in state) = 0.61757E-01 n_iter = 7 J = 400.19 max(relative change in state) = 0.26504 n_iter = 8 J = 399.94 max(relative change in state) = 0.12061 n_iter = 9 J = 399.85 max(relative change in state) = 0.21177 n_iter = 10 J = 399.78 max(relative change in state) = 0.25123E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 327 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 328 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 328 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 100.74 max(relative change in state) = - n_iter = 2 J = 83.685 max(relative change in state) = 0.63552 n_iter = 3 J = 60.985 max(relative change in state) = 1.6635 n_iter = 4 J = 62.063 max(relative change in state) = 0.94964 n_iter = 5 J = 60.015 max(relative change in state) = 0.62179 n_iter = 6 J = 59.907 max(relative change in state) = 0.11983 n_iter = 7 J = 59.789 max(relative change in state) = 0.19073 n_iter = 8 J = 59.667 max(relative change in state) = 0.82649E-01 n_iter = 9 J = 59.585 max(relative change in state) = 0.44777 n_iter = 10 J = 59.403 max(relative change in state) = 0.25822 n_iter = 11 J = 59.372 max(relative change in state) = 0.20577E-01 n_iter = 12 J = 59.362 max(relative change in state) = 0.20378E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 328 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 329 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 329 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 6 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 745.79 max(relative change in state) = - n_iter = 2 J = 894.99 max(relative change in state) = 16.189 n_iter = 3 J = 433.29 max(relative change in state) = 8.4423 n_iter = 4 J = 440.63 max(relative change in state) = 3.1279 n_iter = 5 J = 427.35 max(relative change in state) = 2.0204 n_iter = 6 J = 426.55 max(relative change in state) = 0.35431 n_iter = 7 J = 425.22 max(relative change in state) = 0.64766 n_iter = 8 J = 423.58 max(relative change in state) = 0.29047 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 329 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 330 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 330 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 330 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 331 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 331 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 59.380 max(relative change in state) = - n_iter = 2 J = 49.079 max(relative change in state) = 0.52283 n_iter = 3 J = 33.621 max(relative change in state) = 1.5289 n_iter = 4 J = 32.753 max(relative change in state) = 0.22420 n_iter = 5 J = 35.101 max(relative change in state) = 0.42001 n_iter = 6 J = 32.626 max(relative change in state) = 0.29959 n_iter = 7 J = 32.601 max(relative change in state) = 0.91195E-02 n_iter = 8 J = 32.565 max(relative change in state) = 0.12723 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 331 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 332 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 332 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 332 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 333 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 333 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 78.358 max(relative change in state) = - n_iter = 2 J = 67.762 max(relative change in state) = 0.89079 n_iter = 3 J = 63.512 max(relative change in state) = 0.49748 n_iter = 4 J = 64.805 max(relative change in state) = 1.0758 n_iter = 5 J = 62.835 max(relative change in state) = 0.62937 n_iter = 6 J = 62.634 max(relative change in state) = 0.20675 n_iter = 7 J = 62.542 max(relative change in state) = 0.17719 n_iter = 8 J = 62.469 max(relative change in state) = 0.75998E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 333 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 334 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 334 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 182.22 max(relative change in state) = - n_iter = 2 J = 129.78 max(relative change in state) = 3.3666 n_iter = 3 J = 124.81 max(relative change in state) = 1.0008 n_iter = 4 J = 123.79 max(relative change in state) = 0.60540 n_iter = 5 J = 123.29 max(relative change in state) = 0.32522 n_iter = 6 J = 123.10 max(relative change in state) = 0.17531 n_iter = 7 J = 123.02 max(relative change in state) = 0.41928E-01 n_iter = 8 J = 122.81 max(relative change in state) = 0.22891 n_iter = 9 J = 122.89 max(relative change in state) = 0.47872 n_iter = 10 J = 122.71 max(relative change in state) = 0.26548 n_iter = 11 J = 122.69 max(relative change in state) = 0.42164E-01 n_iter = 12 J = 122.61 max(relative change in state) = 0.96708E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 334 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 335 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 335 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 146.80 max(relative change in state) = - n_iter = 2 J = 119.20 max(relative change in state) = 1.8486 n_iter = 3 J = 113.20 max(relative change in state) = 0.89964 n_iter = 4 J = 113.09 max(relative change in state) = 0.89609 n_iter = 5 J = 111.21 max(relative change in state) = 0.58135 n_iter = 6 J = 110.94 max(relative change in state) = 0.22210 n_iter = 7 J = 110.92 max(relative change in state) = 0.33335 n_iter = 8 J = 110.62 max(relative change in state) = 0.24222 n_iter = 9 J = 110.62 max(relative change in state) = 0.34814 n_iter = 10 J = 110.54 max(relative change in state) = 0.23078 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 335 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 336 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 336 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 183.57 max(relative change in state) = - n_iter = 2 J = 113.55 max(relative change in state) = 2.8100 n_iter = 3 J = 99.190 max(relative change in state) = 1.3465 n_iter = 4 J = 98.992 max(relative change in state) = 0.68886 n_iter = 5 J = 97.273 max(relative change in state) = 0.50324 n_iter = 6 J = 97.126 max(relative change in state) = 0.98902E-01 n_iter = 7 J = 97.035 max(relative change in state) = 0.27684 n_iter = 8 J = 96.759 max(relative change in state) = 0.19715 n_iter = 9 J = 96.533 max(relative change in state) = 0.25486 n_iter = 10 J = 96.279 max(relative change in state) = 0.23584 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 336 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 337 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 337 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 132.12 max(relative change in state) = - n_iter = 2 J = 108.21 max(relative change in state) = 0.67947 n_iter = 3 J = 53.461 max(relative change in state) = 2.8391 n_iter = 4 J = 53.198 max(relative change in state) = 0.75786 n_iter = 5 J = 51.930 max(relative change in state) = 0.44011 n_iter = 6 J = 51.835 max(relative change in state) = 0.16515 n_iter = 7 J = 51.752 max(relative change in state) = 0.14653 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 337 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 338 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 338 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 28.602 max(relative change in state) = - n_iter = 2 J = 23.652 max(relative change in state) = 0.30794 n_iter = 3 J = 16.758 max(relative change in state) = 0.76417 n_iter = 4 J = 17.258 max(relative change in state) = 0.70080 n_iter = 5 J = 16.394 max(relative change in state) = 0.44406 n_iter = 6 J = 16.330 max(relative change in state) = 0.76680E-01 n_iter = 7 J = 16.228 max(relative change in state) = 0.17617 n_iter = 8 J = 16.141 max(relative change in state) = 0.52369E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 338 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 339 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 339 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 239.51 max(relative change in state) = - n_iter = 2 J = 176.02 max(relative change in state) = 5.9569 n_iter = 3 J = 149.54 max(relative change in state) = 1.7989 n_iter = 4 J = 147.28 max(relative change in state) = 0.69975 n_iter = 5 J = 144.96 max(relative change in state) = 0.25913 n_iter = 6 J = 144.21 max(relative change in state) = 0.30987 n_iter = 7 J = 143.50 max(relative change in state) = 0.16642 n_iter = 8 J = 143.21 max(relative change in state) = 0.29922 n_iter = 9 J = 142.95 max(relative change in state) = 0.71265E-01 n_iter = 10 J = 142.91 max(relative change in state) = 0.73459E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 339 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 340 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 340 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 172.62 max(relative change in state) = - n_iter = 2 J = 113.76 max(relative change in state) = 2.8146 n_iter = 3 J = 104.55 max(relative change in state) = 1.4085 n_iter = 4 J = 103.53 max(relative change in state) = 0.82196 n_iter = 5 J = 102.66 max(relative change in state) = 0.73250 n_iter = 6 J = 102.38 max(relative change in state) = 0.54953E-01 n_iter = 7 J = 102.29 max(relative change in state) = 0.34536E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 340 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 341 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 341 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 128.55 max(relative change in state) = - n_iter = 2 J = 106.60 max(relative change in state) = 0.91398 n_iter = 3 J = 75.026 max(relative change in state) = 2.3148 n_iter = 4 J = 74.079 max(relative change in state) = 0.33135 n_iter = 5 J = 74.025 max(relative change in state) = 0.30593 n_iter = 6 J = 73.588 max(relative change in state) = 0.14959 n_iter = 7 J = 73.524 max(relative change in state) = 0.20948E-01 n_iter = 8 J = 73.500 max(relative change in state) = 0.21328 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 341 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 342 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 342 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 158.09 max(relative change in state) = - n_iter = 2 J = 106.17 max(relative change in state) = 1.5860 n_iter = 3 J = 84.287 max(relative change in state) = 2.1205 n_iter = 4 J = 73.725 max(relative change in state) = 2.0833 n_iter = 5 J = 81.359 max(relative change in state) = 1.8061 n_iter = 6 J = 73.377 max(relative change in state) = 1.5153 n_iter = 7 J = 73.286 max(relative change in state) = 0.33389E-01 n_iter = 8 J = 72.908 max(relative change in state) = 0.23080 n_iter = 9 J = 72.893 max(relative change in state) = 0.23329 n_iter = 10 J = 72.757 max(relative change in state) = 0.71629E-01 n_iter = 11 J = 72.739 max(relative change in state) = 0.28701E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 342 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 343 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 343 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.343 max(relative change in state) = - n_iter = 2 J = 59.457 max(relative change in state) = 0.67077 n_iter = 3 J = 46.239 max(relative change in state) = 1.3095 n_iter = 4 J = 44.981 max(relative change in state) = 0.28212 n_iter = 5 J = 47.994 max(relative change in state) = 0.72050 n_iter = 6 J = 44.836 max(relative change in state) = 0.60657 n_iter = 7 J = 44.791 max(relative change in state) = 0.16989E-01 n_iter = 8 J = 44.635 max(relative change in state) = 0.20611 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 343 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 344 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 344 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 74.386 max(relative change in state) = - n_iter = 2 J = 61.890 max(relative change in state) = 0.52859 n_iter = 3 J = 46.029 max(relative change in state) = 1.8694 n_iter = 4 J = 45.452 max(relative change in state) = 0.42230 n_iter = 5 J = 45.258 max(relative change in state) = 0.35929 n_iter = 6 J = 45.053 max(relative change in state) = 0.10043 n_iter = 7 J = 45.006 max(relative change in state) = 0.26394E-01 n_iter = 8 J = 44.961 max(relative change in state) = 0.16884 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 344 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 345 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 345 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 128.76 max(relative change in state) = - n_iter = 2 J = 104.89 max(relative change in state) = 0.55995 n_iter = 3 J = 36.048 max(relative change in state) = 3.2198 n_iter = 4 J = 34.726 max(relative change in state) = 0.37991 n_iter = 5 J = 33.675 max(relative change in state) = 0.25931 n_iter = 6 J = 33.497 max(relative change in state) = 0.25317 n_iter = 7 J = 33.410 max(relative change in state) = 0.30576E-01 n_iter = 8 J = 33.359 max(relative change in state) = 0.32290 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 345 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 346 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 346 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 183.11 max(relative change in state) = - n_iter = 2 J = 100.99 max(relative change in state) = 2.5911 n_iter = 3 J = 77.625 max(relative change in state) = 1.8313 n_iter = 4 J = 78.053 max(relative change in state) = 1.0696 n_iter = 5 J = 75.587 max(relative change in state) = 0.62471 n_iter = 6 J = 75.397 max(relative change in state) = 0.21453 n_iter = 7 J = 75.264 max(relative change in state) = 0.16220 n_iter = 8 J = 74.950 max(relative change in state) = 0.18146 n_iter = 9 J = 74.545 max(relative change in state) = 0.32208 n_iter = 10 J = 74.469 max(relative change in state) = 0.15967 n_iter = 11 J = 74.362 max(relative change in state) = 0.22635E-01 n_iter = 12 J = 74.310 max(relative change in state) = 0.38185E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 346 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 347 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 347 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 67.779 max(relative change in state) = - n_iter = 2 J = 55.731 max(relative change in state) = 0.50007 n_iter = 3 J = 32.513 max(relative change in state) = 1.6462 n_iter = 4 J = 31.468 max(relative change in state) = 0.46160 n_iter = 5 J = 31.125 max(relative change in state) = 0.36648 n_iter = 6 J = 30.892 max(relative change in state) = 0.62853E-01 n_iter = 7 J = 30.852 max(relative change in state) = 0.20826E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 347 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 348 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 348 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 58.091 max(relative change in state) = - n_iter = 2 J = 47.849 max(relative change in state) = 0.45824 n_iter = 3 J = 30.640 max(relative change in state) = 1.6963 n_iter = 4 J = 30.025 max(relative change in state) = 0.44600 n_iter = 5 J = 29.649 max(relative change in state) = 0.29223 n_iter = 6 J = 29.550 max(relative change in state) = 0.59516E-01 n_iter = 7 J = 29.473 max(relative change in state) = 0.84190E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 348 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 349 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 349 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 87.436 max(relative change in state) = - n_iter = 2 J = 71.950 max(relative change in state) = 0.59655 n_iter = 3 J = 44.325 max(relative change in state) = 2.2665 n_iter = 4 J = 43.559 max(relative change in state) = 0.22656 n_iter = 5 J = 44.393 max(relative change in state) = 0.49283 n_iter = 6 J = 43.303 max(relative change in state) = 0.32672 n_iter = 7 J = 43.275 max(relative change in state) = 0.14834E-01 n_iter = 8 J = 43.142 max(relative change in state) = 0.10344 n_iter = 9 J = 43.222 max(relative change in state) = 0.15173 n_iter = 10 J = 43.125 max(relative change in state) = 0.10502 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 349 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 350 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 350 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 160.37 max(relative change in state) = - n_iter = 2 J = 114.24 max(relative change in state) = 1.7272 n_iter = 3 J = 105.04 max(relative change in state) = 1.1879 n_iter = 4 J = 106.83 max(relative change in state) = 0.94580 n_iter = 5 J = 103.69 max(relative change in state) = 0.63616 n_iter = 6 J = 103.56 max(relative change in state) = 0.12778 n_iter = 7 J = 103.44 max(relative change in state) = 0.12775 n_iter = 8 J = 103.26 max(relative change in state) = 0.97770E-01 n_iter = 9 J = 103.35 max(relative change in state) = 0.54952 n_iter = 10 J = 103.12 max(relative change in state) = 0.32370 n_iter = 11 J = 103.10 max(relative change in state) = 0.52625E-01 n_iter = 12 J = 103.06 max(relative change in state) = 0.92541E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 350 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 351 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 351 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 63.374 max(relative change in state) = - n_iter = 2 J = 51.877 max(relative change in state) = 0.33169 n_iter = 3 J = 26.125 max(relative change in state) = 1.8694 n_iter = 4 J = 26.056 max(relative change in state) = 0.39768 n_iter = 5 J = 25.676 max(relative change in state) = 0.21010 n_iter = 6 J = 25.624 max(relative change in state) = 0.11142 n_iter = 7 J = 25.585 max(relative change in state) = 0.76762E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 351 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 352 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 352 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 67.575 max(relative change in state) = - n_iter = 2 J = 55.759 max(relative change in state) = 0.51846 n_iter = 3 J = 36.624 max(relative change in state) = 1.5144 n_iter = 4 J = 37.017 max(relative change in state) = 0.67234 n_iter = 5 J = 36.115 max(relative change in state) = 0.42202 n_iter = 6 J = 36.057 max(relative change in state) = 0.10024 n_iter = 7 J = 36.001 max(relative change in state) = 0.12655 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 352 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 353 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 353 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 120.43 max(relative change in state) = - n_iter = 2 J = 99.405 max(relative change in state) = 0.64806 n_iter = 3 J = 63.720 max(relative change in state) = 2.9947 n_iter = 4 J = 76.405 max(relative change in state) = 2.8182 n_iter = 5 J = 63.553 max(relative change in state) = 2.0281 n_iter = 6 J = 62.942 max(relative change in state) = 0.31537 n_iter = 7 J = 62.621 max(relative change in state) = 0.22016 n_iter = 8 J = 62.349 max(relative change in state) = 0.23275 n_iter = 9 J = 61.798 max(relative change in state) = 0.18431 n_iter = 10 J = 61.557 max(relative change in state) = 0.21907 n_iter = 11 J = 61.381 max(relative change in state) = 0.37759E-01 n_iter = 12 J = 61.231 max(relative change in state) = 0.26049 n_iter = 13 J = 61.220 max(relative change in state) = 0.23671 n_iter = 14 J = 61.136 max(relative change in state) = 0.44277E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 353 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 354 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 354 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 88.081 max(relative change in state) = - n_iter = 2 J = 72.480 max(relative change in state) = 0.57197 n_iter = 3 J = 45.329 max(relative change in state) = 1.9888 n_iter = 4 J = 45.403 max(relative change in state) = 0.74233 n_iter = 5 J = 44.440 max(relative change in state) = 0.38483 n_iter = 6 J = 44.319 max(relative change in state) = 0.18228 n_iter = 7 J = 44.248 max(relative change in state) = 0.10959 n_iter = 8 J = 44.060 max(relative change in state) = 0.14362 n_iter = 9 J = 43.781 max(relative change in state) = 0.18149 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 354 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 355 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 355 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 140.70 max(relative change in state) = - n_iter = 2 J = 112.93 max(relative change in state) = 1.0501 n_iter = 3 J = 83.614 max(relative change in state) = 2.5617 n_iter = 4 J = 86.236 max(relative change in state) = 1.7979 n_iter = 5 J = 82.051 max(relative change in state) = 1.2301 n_iter = 6 J = 81.837 max(relative change in state) = 0.20085 n_iter = 7 J = 81.573 max(relative change in state) = 0.31638 n_iter = 8 J = 81.337 max(relative change in state) = 0.89115E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 355 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 356 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 356 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 158.25 max(relative change in state) = - n_iter = 2 J = 119.91 max(relative change in state) = 2.3578 n_iter = 3 J = 112.85 max(relative change in state) = 0.65521 n_iter = 4 J = 113.46 max(relative change in state) = 1.0698 n_iter = 5 J = 110.11 max(relative change in state) = 0.63844 n_iter = 6 J = 109.95 max(relative change in state) = 0.23541 n_iter = 7 J = 109.91 max(relative change in state) = 0.10787 n_iter = 8 J = 109.84 max(relative change in state) = 0.84928E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 356 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 357 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 357 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 296.41 max(relative change in state) = - n_iter = 2 J = 150.21 max(relative change in state) = 8.3634 n_iter = 3 J = 134.32 max(relative change in state) = 1.8195 n_iter = 4 J = 132.82 max(relative change in state) = 0.81535 n_iter = 5 J = 131.73 max(relative change in state) = 0.36476 n_iter = 6 J = 131.47 max(relative change in state) = 0.24345 n_iter = 7 J = 131.19 max(relative change in state) = 0.20718 n_iter = 8 J = 130.95 max(relative change in state) = 0.14416 n_iter = 9 J = 131.02 max(relative change in state) = 0.36497 n_iter = 10 J = 130.88 max(relative change in state) = 0.19387 n_iter = 11 J = 130.87 max(relative change in state) = 0.36179E-01 n_iter = 12 J = 130.84 max(relative change in state) = 0.86822E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 357 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 358 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 358 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 220.27 max(relative change in state) = - n_iter = 2 J = 147.82 max(relative change in state) = 4.1839 n_iter = 3 J = 128.77 max(relative change in state) = 1.3518 n_iter = 4 J = 127.65 max(relative change in state) = 1.1267 n_iter = 5 J = 125.39 max(relative change in state) = 0.62325 n_iter = 6 J = 125.05 max(relative change in state) = 0.27131 n_iter = 7 J = 124.84 max(relative change in state) = 0.37489 n_iter = 8 J = 124.60 max(relative change in state) = 0.12301 n_iter = 9 J = 124.41 max(relative change in state) = 0.20186 n_iter = 10 J = 124.30 max(relative change in state) = 0.93676E-01 n_iter = 11 J = 124.16 max(relative change in state) = 0.71132E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 358 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 359 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 359 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 84.728 max(relative change in state) = - n_iter = 2 J = 70.004 max(relative change in state) = 0.60981 n_iter = 3 J = 45.490 max(relative change in state) = 1.7431 n_iter = 4 J = 44.935 max(relative change in state) = 0.78413 n_iter = 5 J = 43.783 max(relative change in state) = 0.39743 n_iter = 6 J = 43.629 max(relative change in state) = 0.22503 n_iter = 7 J = 43.520 max(relative change in state) = 0.16814 n_iter = 8 J = 43.364 max(relative change in state) = 0.48571E-01 n_iter = 9 J = 43.363 max(relative change in state) = 0.19622 n_iter = 10 J = 43.204 max(relative change in state) = 0.57342E-01 n_iter = 11 J = 43.179 max(relative change in state) = 0.64870E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 359 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 360 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 360 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 110.48 max(relative change in state) = - n_iter = 2 J = 90.973 max(relative change in state) = 0.59759 n_iter = 3 J = 54.042 max(relative change in state) = 1.9463 n_iter = 4 J = 52.757 max(relative change in state) = 0.29201 n_iter = 5 J = 53.248 max(relative change in state) = 0.79935 n_iter = 6 J = 51.230 max(relative change in state) = 0.46537 n_iter = 7 J = 50.968 max(relative change in state) = 0.17282 n_iter = 8 J = 50.676 max(relative change in state) = 0.15648 n_iter = 9 J = 50.262 max(relative change in state) = 0.19705 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 360 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 361 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 361 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.113 max(relative change in state) = - n_iter = 2 J = 54.167 max(relative change in state) = 0.57504 n_iter = 3 J = 29.775 max(relative change in state) = 2.3306 n_iter = 4 J = 29.379 max(relative change in state) = 0.31921 n_iter = 5 J = 28.975 max(relative change in state) = 0.18487 n_iter = 6 J = 28.874 max(relative change in state) = 0.21637 n_iter = 7 J = 28.857 max(relative change in state) = 0.14119E-01 n_iter = 8 J = 28.840 max(relative change in state) = 0.81903E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 361 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 362 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 362 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 125.77 max(relative change in state) = - n_iter = 2 J = 103.97 max(relative change in state) = 0.94287 n_iter = 3 J = 71.667 max(relative change in state) = 2.6968 n_iter = 4 J = 70.962 max(relative change in state) = 0.64560 n_iter = 5 J = 70.176 max(relative change in state) = 0.26401 n_iter = 6 J = 70.036 max(relative change in state) = 0.22979 n_iter = 7 J = 69.992 max(relative change in state) = 0.12333 n_iter = 8 J = 69.960 max(relative change in state) = 0.19915E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 362 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 363 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 363 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 429.89 max(relative change in state) = - n_iter = 2 J = 406.26 max(relative change in state) = 6.9073 n_iter = 3 J = 287.61 max(relative change in state) = 4.3013 n_iter = 4 J = 281.40 max(relative change in state) = 0.55001 n_iter = 5 J = 277.02 max(relative change in state) = 0.77975 n_iter = 6 J = 273.19 max(relative change in state) = 0.35541 n_iter = 7 J = 269.12 max(relative change in state) = 0.64679 n_iter = 8 J = 269.66 max(relative change in state) = 0.50792 n_iter = 9 J = 266.92 max(relative change in state) = 0.39876 n_iter = 10 J = 266.39 max(relative change in state) = 0.10010 n_iter = 11 J = 265.14 max(relative change in state) = 0.55267 n_iter = 12 J = 264.72 max(relative change in state) = 1.0370 n_iter = 13 J = 262.91 max(relative change in state) = 0.39807 n_iter = 14 J = 262.41 max(relative change in state) = 0.35385 n_iter = 15 J = 262.10 max(relative change in state) = 0.22839 n_iter = 16 J = 261.89 max(relative change in state) = 0.26053 n_iter = 17 J = 261.40 max(relative change in state) = 0.35255 n_iter = 18 J = 261.01 max(relative change in state) = 0.31964 n_iter = 19 J = 260.87 max(relative change in state) = 0.19364 n_iter = 20 J = 260.80 max(relative change in state) = 0.51827 n_iter = 21 J = 260.60 max(relative change in state) = 0.25304 n_iter = 22 J = 260.60 max(relative change in state) = 0.19144 n_iter = 23 J = 260.52 max(relative change in state) = 0.10360 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 23. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 363 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 364 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 364 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 101.01 max(relative change in state) = - n_iter = 2 J = 83.009 max(relative change in state) = 0.56778 n_iter = 3 J = 46.817 max(relative change in state) = 1.7234 n_iter = 4 J = 45.330 max(relative change in state) = 0.36653 n_iter = 5 J = 48.104 max(relative change in state) = 0.23757 n_iter = 6 J = 45.218 max(relative change in state) = 0.20911 n_iter = 7 J = 45.196 max(relative change in state) = 0.95239E-02 n_iter = 8 J = 45.095 max(relative change in state) = 0.15292 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 364 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 365 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 365 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 78.163 max(relative change in state) = - n_iter = 2 J = 64.705 max(relative change in state) = 0.70093 n_iter = 3 J = 45.956 max(relative change in state) = 1.5913 n_iter = 4 J = 44.851 max(relative change in state) = 0.26957 n_iter = 5 J = 44.925 max(relative change in state) = 0.32992 n_iter = 6 J = 44.429 max(relative change in state) = 0.10423 n_iter = 7 J = 44.382 max(relative change in state) = 0.16734E-01 n_iter = 8 J = 44.231 max(relative change in state) = 0.17240 n_iter = 9 J = 44.118 max(relative change in state) = 0.18049 n_iter = 10 J = 43.952 max(relative change in state) = 0.62959E-01 n_iter = 11 J = 43.904 max(relative change in state) = 0.77555E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 365 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 366 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 366 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 229.02 max(relative change in state) = - n_iter = 2 J = 120.97 max(relative change in state) = 4.8858 n_iter = 3 J = 111.27 max(relative change in state) = 1.1845 n_iter = 4 J = 110.16 max(relative change in state) = 0.48310 n_iter = 5 J = 108.99 max(relative change in state) = 0.28975 n_iter = 6 J = 108.79 max(relative change in state) = 0.56948E-01 n_iter = 7 J = 108.58 max(relative change in state) = 0.22239 n_iter = 8 J = 108.21 max(relative change in state) = 0.16351 n_iter = 9 J = 107.73 max(relative change in state) = 0.29078 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 366 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 367 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 367 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 218.21 max(relative change in state) = - n_iter = 2 J = 118.69 max(relative change in state) = 3.8495 n_iter = 3 J = 109.35 max(relative change in state) = 1.1659 n_iter = 4 J = 105.79 max(relative change in state) = 0.56401 n_iter = 5 J = 111.66 max(relative change in state) = 2.5752 n_iter = 6 J = 105.08 max(relative change in state) = 2.1193 n_iter = 7 J = 104.95 max(relative change in state) = 0.71051E-01 n_iter = 8 J = 104.86 max(relative change in state) = 0.11628 n_iter = 9 J = 104.78 max(relative change in state) = 0.16960 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 367 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 368 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 368 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 177.16 max(relative change in state) = - n_iter = 2 J = 109.07 max(relative change in state) = 2.8155 n_iter = 3 J = 98.358 max(relative change in state) = 0.88394 n_iter = 4 J = 101.42 max(relative change in state) = 1.5913 n_iter = 5 J = 97.268 max(relative change in state) = 1.1186 n_iter = 6 J = 97.050 max(relative change in state) = 0.12361 n_iter = 7 J = 96.470 max(relative change in state) = 0.42254 n_iter = 8 J = 96.071 max(relative change in state) = 0.21094 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 368 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 369 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 369 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.651 max(relative change in state) = - n_iter = 2 J = 55.351 max(relative change in state) = 0.65436 n_iter = 3 J = 42.094 max(relative change in state) = 1.5661 n_iter = 4 J = 41.630 max(relative change in state) = 0.26851 n_iter = 5 J = 41.310 max(relative change in state) = 0.12686 n_iter = 6 J = 41.281 max(relative change in state) = 0.42166E-01 n_iter = 7 J = 41.231 max(relative change in state) = 0.78507E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 369 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 370 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 370 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 102.28 max(relative change in state) = - n_iter = 2 J = 84.128 max(relative change in state) = 0.61265 n_iter = 3 J = 50.527 max(relative change in state) = 2.7557 n_iter = 4 J = 45.442 max(relative change in state) = 0.92823 n_iter = 5 J = 47.478 max(relative change in state) = 1.0056 n_iter = 6 J = 45.179 max(relative change in state) = 0.76156 n_iter = 7 J = 45.113 max(relative change in state) = 0.18906E-01 n_iter = 8 J = 44.750 max(relative change in state) = 0.19843 n_iter = 9 J = 44.694 max(relative change in state) = 0.19659 n_iter = 10 J = 44.651 max(relative change in state) = 0.15303 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 370 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 371 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 371 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 371 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 372 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 372 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 88.583 max(relative change in state) = - n_iter = 2 J = 74.016 max(relative change in state) = 0.69341 n_iter = 3 J = 57.672 max(relative change in state) = 2.2103 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 372 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 373 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 373 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 99.775 max(relative change in state) = - n_iter = 2 J = 81.806 max(relative change in state) = 0.59504 n_iter = 3 J = 44.452 max(relative change in state) = 2.1473 n_iter = 4 J = 43.564 max(relative change in state) = 0.26856 n_iter = 5 J = 43.734 max(relative change in state) = 0.32311 n_iter = 6 J = 43.196 max(relative change in state) = 0.15322 n_iter = 7 J = 43.166 max(relative change in state) = 0.15646E-01 n_iter = 8 J = 43.061 max(relative change in state) = 0.12801 n_iter = 9 J = 43.153 max(relative change in state) = 0.11956 n_iter = 10 J = 43.034 max(relative change in state) = 0.88541E-01 n_iter = 11 J = 43.027 max(relative change in state) = 0.60078E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 373 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 374 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 374 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 151.57 max(relative change in state) = - n_iter = 2 J = 113.28 max(relative change in state) = 1.5662 n_iter = 3 J = 85.881 max(relative change in state) = 3.5275 n_iter = 4 J = 84.181 max(relative change in state) = 0.61147 n_iter = 5 J = 84.668 max(relative change in state) = 0.51373 n_iter = 6 J = 83.552 max(relative change in state) = 0.22830 n_iter = 7 J = 83.398 max(relative change in state) = 0.42374E-01 n_iter = 8 J = 83.775 max(relative change in state) = 0.32161 n_iter = 9 J = 83.279 max(relative change in state) = 0.21286 n_iter = 10 J = 83.244 max(relative change in state) = 0.97396E-01 n_iter = 11 J = 83.086 max(relative change in state) = 0.45725E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 374 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 375 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 375 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 375 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 376 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 376 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 103.17 max(relative change in state) = - n_iter = 2 J = 84.787 max(relative change in state) = 0.70027 n_iter = 3 J = 52.767 max(relative change in state) = 2.5017 n_iter = 4 J = 51.701 max(relative change in state) = 0.35733 n_iter = 5 J = 51.101 max(relative change in state) = 0.34926 n_iter = 6 J = 50.900 max(relative change in state) = 0.11503 n_iter = 7 J = 50.872 max(relative change in state) = 0.25555E-01 n_iter = 8 J = 50.906 max(relative change in state) = 0.15115 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 376 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 377 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 377 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 99.897 max(relative change in state) = - n_iter = 2 J = 83.681 max(relative change in state) = 0.98372 n_iter = 3 J = 60.254 max(relative change in state) = 3.3857 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 377 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 378 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 378 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 296.63 max(relative change in state) = - n_iter = 2 J = 127.41 max(relative change in state) = 5.6976 n_iter = 3 J = 116.07 max(relative change in state) = 0.96408 n_iter = 4 J = 111.98 max(relative change in state) = 0.69487 n_iter = 5 J = 122.25 max(relative change in state) = 0.74345 n_iter = 6 J = 111.34 max(relative change in state) = 0.63681 n_iter = 7 J = 111.19 max(relative change in state) = 0.32016E-01 n_iter = 8 J = 110.75 max(relative change in state) = 0.25676 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 378 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 379 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 379 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 139.74 max(relative change in state) = - n_iter = 2 J = 111.90 max(relative change in state) = 0.71862 n_iter = 3 J = 71.936 max(relative change in state) = 2.7064 n_iter = 4 J = 74.193 max(relative change in state) = 1.3147 n_iter = 5 J = 71.067 max(relative change in state) = 0.78216 n_iter = 6 J = 70.778 max(relative change in state) = 0.23387 n_iter = 7 J = 70.651 max(relative change in state) = 0.20852 n_iter = 8 J = 70.563 max(relative change in state) = 0.81284E-01 n_iter = 9 J = 70.259 max(relative change in state) = 0.18519 n_iter = 10 J = 70.482 max(relative change in state) = 0.20274 n_iter = 11 J = 70.180 max(relative change in state) = 0.10695 n_iter = 12 J = 70.169 max(relative change in state) = 0.95290E-02 n_iter = 13 J = 70.137 max(relative change in state) = 0.91627E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 379 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 380 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 380 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 236.92 max(relative change in state) = - n_iter = 2 J = 141.64 max(relative change in state) = 5.6346 n_iter = 3 J = 129.40 max(relative change in state) = 0.99150 n_iter = 4 J = 129.31 max(relative change in state) = 1.4591 n_iter = 5 J = 124.98 max(relative change in state) = 0.83079 n_iter = 6 J = 124.25 max(relative change in state) = 0.40888 n_iter = 7 J = 123.19 max(relative change in state) = 0.41116 n_iter = 8 J = 123.21 max(relative change in state) = 0.23062 n_iter = 9 J = 122.54 max(relative change in state) = 0.28743 n_iter = 10 J = 121.95 max(relative change in state) = 0.21725 n_iter = 11 J = 120.70 max(relative change in state) = 0.69599 n_iter = 12 J = 121.39 max(relative change in state) = 0.78653 n_iter = 13 J = 119.95 max(relative change in state) = 0.35732 n_iter = 14 J = 119.85 max(relative change in state) = 0.59563E-01 n_iter = 15 J = 119.69 max(relative change in state) = 0.10379 n_iter = 16 J = 119.54 max(relative change in state) = 0.12917 n_iter = 17 J = 119.46 max(relative change in state) = 0.20323 n_iter = 18 J = 119.40 max(relative change in state) = 0.37229E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 380 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 381 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 381 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 140.96 max(relative change in state) = - n_iter = 2 J = 112.55 max(relative change in state) = 1.0244 n_iter = 3 J = 86.530 max(relative change in state) = 1.8674 n_iter = 4 J = 88.599 max(relative change in state) = 1.1647 n_iter = 5 J = 85.453 max(relative change in state) = 0.79773 n_iter = 6 J = 85.285 max(relative change in state) = 0.11356 n_iter = 7 J = 85.022 max(relative change in state) = 0.27843 n_iter = 8 J = 84.831 max(relative change in state) = 0.68239E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 381 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 382 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 382 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 254.17 max(relative change in state) = - n_iter = 2 J = 165.17 max(relative change in state) = 5.5488 n_iter = 3 J = 147.58 max(relative change in state) = 1.9610 n_iter = 4 J = 149.68 max(relative change in state) = 1.1229 n_iter = 5 J = 146.12 max(relative change in state) = 0.72118 n_iter = 6 J = 145.86 max(relative change in state) = 0.98161E-01 n_iter = 7 J = 145.37 max(relative change in state) = 0.23269 n_iter = 8 J = 145.01 max(relative change in state) = 0.20766 n_iter = 9 J = 144.80 max(relative change in state) = 0.28716 n_iter = 10 J = 144.60 max(relative change in state) = 0.80814E-01 n_iter = 11 J = 144.51 max(relative change in state) = 0.31621 n_iter = 12 J = 144.46 max(relative change in state) = 0.20248 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 382 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 383 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 383 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.92 max(relative change in state) = - n_iter = 2 J = 90.115 max(relative change in state) = 0.65307 n_iter = 3 J = 61.956 max(relative change in state) = 1.6982 n_iter = 4 J = 60.011 max(relative change in state) = 0.44093 n_iter = 5 J = 62.982 max(relative change in state) = 1.2075 n_iter = 6 J = 59.837 max(relative change in state) = 0.99529 n_iter = 7 J = 59.793 max(relative change in state) = 0.15866E-01 n_iter = 8 J = 59.617 max(relative change in state) = 0.13018 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 383 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 384 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 384 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 384 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 385 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 385 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 348.03 max(relative change in state) = - n_iter = 2 J = 344.89 max(relative change in state) = 7.5361 n_iter = 3 J = 215.91 max(relative change in state) = 4.7449 n_iter = 4 J = 213.89 max(relative change in state) = 1.1065 n_iter = 5 J = 211.89 max(relative change in state) = 0.40029 n_iter = 6 J = 211.00 max(relative change in state) = 0.50947 n_iter = 7 J = 210.54 max(relative change in state) = 0.10780 n_iter = 8 J = 210.06 max(relative change in state) = 0.13415 n_iter = 9 J = 210.50 max(relative change in state) = 0.49702 n_iter = 10 J = 209.67 max(relative change in state) = 0.29252 n_iter = 11 J = 209.60 max(relative change in state) = 0.68180E-01 n_iter = 12 J = 209.51 max(relative change in state) = 0.18136 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 385 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 386 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 386 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 67.705 max(relative change in state) = - n_iter = 2 J = 56.619 max(relative change in state) = 0.67493 n_iter = 3 J = 45.704 max(relative change in state) = 1.2241 n_iter = 4 J = 44.520 max(relative change in state) = 0.30878 n_iter = 5 J = 46.021 max(relative change in state) = 0.32822 n_iter = 6 J = 44.255 max(relative change in state) = 0.25856 n_iter = 7 J = 44.231 max(relative change in state) = 0.14818E-01 n_iter = 8 J = 44.085 max(relative change in state) = 0.16311 n_iter = 9 J = 44.168 max(relative change in state) = 0.28131 n_iter = 10 J = 44.064 max(relative change in state) = 0.19356 n_iter = 11 J = 44.060 max(relative change in state) = 0.28056E-01 n_iter = 12 J = 44.055 max(relative change in state) = 0.45948E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 386 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 387 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 387 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 118.63 max(relative change in state) = - n_iter = 2 J = 97.764 max(relative change in state) = 0.63469 n_iter = 3 J = 54.322 max(relative change in state) = 2.3317 n_iter = 4 J = 52.508 max(relative change in state) = 0.35608 n_iter = 5 J = 52.480 max(relative change in state) = 0.51984 n_iter = 6 J = 51.506 max(relative change in state) = 0.19228 n_iter = 7 J = 51.376 max(relative change in state) = 0.29110E-01 n_iter = 8 J = 51.750 max(relative change in state) = 0.26240 n_iter = 9 J = 51.205 max(relative change in state) = 0.15557 n_iter = 10 J = 51.111 max(relative change in state) = 0.38962E-01 n_iter = 11 J = 51.087 max(relative change in state) = 0.10221 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 387 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 388 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 388 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 115.87 max(relative change in state) = - n_iter = 2 J = 95.625 max(relative change in state) = 0.80450 n_iter = 3 J = 63.574 max(relative change in state) = 2.2806 n_iter = 4 J = 66.138 max(relative change in state) = 1.5775 n_iter = 5 J = 62.234 max(relative change in state) = 1.0185 n_iter = 6 J = 61.988 max(relative change in state) = 0.12439 n_iter = 7 J = 61.346 max(relative change in state) = 0.38476 n_iter = 8 J = 60.904 max(relative change in state) = 0.14961 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 388 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 389 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 389 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 39.321 max(relative change in state) = - n_iter = 2 J = 32.431 max(relative change in state) = 0.38332 n_iter = 3 J = 21.246 max(relative change in state) = 1.2824 n_iter = 4 J = 20.394 max(relative change in state) = 0.25554 n_iter = 5 J = 21.699 max(relative change in state) = 0.64303 n_iter = 6 J = 20.151 max(relative change in state) = 0.45729 n_iter = 7 J = 20.124 max(relative change in state) = 0.15988E-01 n_iter = 8 J = 20.036 max(relative change in state) = 0.86815E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 389 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 390 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 390 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 172.08 max(relative change in state) = - n_iter = 2 J = 118.06 max(relative change in state) = 4.0391 n_iter = 3 J = 112.21 max(relative change in state) = 1.2825 n_iter = 4 J = 111.49 max(relative change in state) = 0.51922 n_iter = 5 J = 110.52 max(relative change in state) = 0.36761 n_iter = 6 J = 110.25 max(relative change in state) = 0.11563 n_iter = 7 J = 110.36 max(relative change in state) = 0.24138 n_iter = 8 J = 109.88 max(relative change in state) = 0.11138 n_iter = 9 J = 109.72 max(relative change in state) = 0.73390E-01 n_iter = 10 J = 109.86 max(relative change in state) = 0.13553 n_iter = 11 J = 109.63 max(relative change in state) = 0.86651E-01 n_iter = 12 J = 109.57 max(relative change in state) = 0.36531E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 390 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 391 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 391 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 83.011 max(relative change in state) = - n_iter = 2 J = 68.414 max(relative change in state) = 0.53534 n_iter = 3 J = 43.841 max(relative change in state) = 1.8813 n_iter = 4 J = 42.529 max(relative change in state) = 0.22150 n_iter = 5 J = 45.177 max(relative change in state) = 0.26037 n_iter = 6 J = 42.138 max(relative change in state) = 0.16450 n_iter = 7 J = 42.046 max(relative change in state) = 0.15524E-01 n_iter = 8 J = 41.829 max(relative change in state) = 0.10885 n_iter = 9 J = 41.791 max(relative change in state) = 0.42593E-01 n_iter = 10 J = 41.771 max(relative change in state) = 0.42407E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 391 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 392 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 392 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.995 max(relative change in state) = - n_iter = 2 J = 42.741 max(relative change in state) = 0.56503 n_iter = 3 J = 24.796 max(relative change in state) = 2.3401 n_iter = 4 J = 23.623 max(relative change in state) = 0.25881 n_iter = 5 J = 27.389 max(relative change in state) = 0.98995 n_iter = 6 J = 23.341 max(relative change in state) = 0.81887 n_iter = 7 J = 23.278 max(relative change in state) = 0.25438E-01 n_iter = 8 J = 23.125 max(relative change in state) = 0.15279 n_iter = 9 J = 23.127 max(relative change in state) = 0.68338E-01 n_iter = 10 J = 23.114 max(relative change in state) = 0.23099E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 392 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 393 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 393 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 125.75 max(relative change in state) = - n_iter = 2 J = 102.94 max(relative change in state) = 0.92824 n_iter = 3 J = 52.709 max(relative change in state) = 4.5422 n_iter = 4 J = 71.490 max(relative change in state) = 3.3751 n_iter = 5 J = 52.229 max(relative change in state) = 2.9021 n_iter = 6 J = 52.129 max(relative change in state) = 0.26360E-01 n_iter = 7 J = 51.851 max(relative change in state) = 0.29702 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 393 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 394 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 394 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 138.61 max(relative change in state) = - n_iter = 2 J = 112.55 max(relative change in state) = 0.93924 n_iter = 3 J = 74.161 max(relative change in state) = 2.5875 n_iter = 4 J = 70.760 max(relative change in state) = 0.68639 n_iter = 5 J = 77.822 max(relative change in state) = 1.6138 n_iter = 6 J = 69.890 max(relative change in state) = 1.2191 n_iter = 7 J = 69.762 max(relative change in state) = 0.35701E-01 n_iter = 8 J = 69.395 max(relative change in state) = 0.24435 n_iter = 9 J = 69.385 max(relative change in state) = 0.21817 n_iter = 10 J = 69.298 max(relative change in state) = 0.79796E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 394 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 395 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 395 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 210.65 max(relative change in state) = - n_iter = 2 J = 171.15 max(relative change in state) = 3.4520 n_iter = 3 J = 146.92 max(relative change in state) = 1.6759 n_iter = 4 J = 146.74 max(relative change in state) = 1.1059 n_iter = 5 J = 144.53 max(relative change in state) = 0.56665 n_iter = 6 J = 144.18 max(relative change in state) = 0.26411 n_iter = 7 J = 143.88 max(relative change in state) = 0.24820 n_iter = 8 J = 143.26 max(relative change in state) = 0.13721 n_iter = 9 J = 142.71 max(relative change in state) = 0.27258 n_iter = 10 J = 142.59 max(relative change in state) = 0.17419 n_iter = 11 J = 142.44 max(relative change in state) = 0.90174E-01 n_iter = 12 J = 142.37 max(relative change in state) = 0.14607 n_iter = 13 J = 142.32 max(relative change in state) = 0.22114E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 395 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 396 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 396 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 174.24 max(relative change in state) = - n_iter = 2 J = 105.54 max(relative change in state) = 1.9800 n_iter = 3 J = 83.388 max(relative change in state) = 1.6658 n_iter = 4 J = 80.757 max(relative change in state) = 0.71793 n_iter = 5 J = 84.284 max(relative change in state) = 0.95288 n_iter = 6 J = 80.227 max(relative change in state) = 0.70043 n_iter = 7 J = 80.097 max(relative change in state) = 0.23846E-01 n_iter = 8 J = 80.150 max(relative change in state) = 0.41906 n_iter = 9 J = 80.026 max(relative change in state) = 0.33924 n_iter = 10 J = 79.435 max(relative change in state) = 0.20368 n_iter = 11 J = 79.330 max(relative change in state) = 0.47503E-01 n_iter = 12 J = 79.314 max(relative change in state) = 0.78873E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 396 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 397 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 397 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 87.726 max(relative change in state) = - n_iter = 2 J = 73.503 max(relative change in state) = 0.65770 n_iter = 3 J = 56.332 max(relative change in state) = 1.1216 n_iter = 4 J = 54.391 max(relative change in state) = 0.67503 n_iter = 5 J = 57.136 max(relative change in state) = 0.84071 n_iter = 6 J = 54.005 max(relative change in state) = 0.61918 n_iter = 7 J = 53.934 max(relative change in state) = 0.13048E-01 n_iter = 8 J = 53.568 max(relative change in state) = 0.16270 n_iter = 9 J = 53.643 max(relative change in state) = 0.80382E-01 n_iter = 10 J = 53.437 max(relative change in state) = 0.47378E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 397 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 398 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 398 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 73.878 max(relative change in state) = - n_iter = 2 J = 61.031 max(relative change in state) = 0.52736 n_iter = 3 J = 37.844 max(relative change in state) = 1.9254 n_iter = 4 J = 35.881 max(relative change in state) = 0.35601 n_iter = 5 J = 35.875 max(relative change in state) = 0.51829 n_iter = 6 J = 34.655 max(relative change in state) = 0.20408 n_iter = 7 J = 34.543 max(relative change in state) = 0.32615E-01 n_iter = 8 J = 34.446 max(relative change in state) = 0.17885 n_iter = 9 J = 34.380 max(relative change in state) = 0.77482E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 398 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 399 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 399 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 399 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 400 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 400 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.409 max(relative change in state) = - n_iter = 2 J = 55.021 max(relative change in state) = 0.57735 n_iter = 3 J = 34.193 max(relative change in state) = 2.5326 n_iter = 4 J = 35.019 max(relative change in state) = 0.67182 n_iter = 5 J = 33.487 max(relative change in state) = 0.43846 n_iter = 6 J = 33.329 max(relative change in state) = 0.45669E-01 n_iter = 7 J = 33.236 max(relative change in state) = 0.44058E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 400 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 401 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 401 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 163.90 max(relative change in state) = - n_iter = 2 J = 117.69 max(relative change in state) = 2.1289 n_iter = 3 J = 105.54 max(relative change in state) = 1.5143 n_iter = 4 J = 108.32 max(relative change in state) = 1.7595 n_iter = 5 J = 104.02 max(relative change in state) = 1.2221 n_iter = 6 J = 103.70 max(relative change in state) = 0.20717 n_iter = 7 J = 103.40 max(relative change in state) = 0.45994 n_iter = 8 J = 102.98 max(relative change in state) = 0.96597E-01 n_iter = 9 J = 103.06 max(relative change in state) = 0.31794 n_iter = 10 J = 102.40 max(relative change in state) = 0.45116 n_iter = 11 J = 102.30 max(relative change in state) = 0.60075E-01 n_iter = 12 J = 102.28 max(relative change in state) = 0.30611 n_iter = 13 J = 102.14 max(relative change in state) = 0.15131 n_iter = 14 J = 102.08 max(relative change in state) = 0.21259 n_iter = 15 J = 101.96 max(relative change in state) = 0.73246E-01 n_iter = 16 J = 101.94 max(relative change in state) = 0.16761 n_iter = 17 J = 101.88 max(relative change in state) = 0.30048E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 17. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 401 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 402 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 402 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 289.85 max(relative change in state) = - n_iter = 2 J = 289.24 max(relative change in state) = 7.9254 n_iter = 3 J = 199.15 max(relative change in state) = 4.1423 n_iter = 4 J = 197.86 max(relative change in state) = 0.24894 n_iter = 5 J = 196.86 max(relative change in state) = 0.30320 n_iter = 6 J = 196.66 max(relative change in state) = 0.81848E-01 n_iter = 7 J = 196.36 max(relative change in state) = 0.19701 n_iter = 8 J = 196.51 max(relative change in state) = 0.56393 n_iter = 9 J = 196.28 max(relative change in state) = 0.38102 n_iter = 10 J = 196.27 max(relative change in state) = 0.20587E-01 n_iter = 11 J = 196.24 max(relative change in state) = 0.66260E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 402 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 403 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 403 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 205.37 max(relative change in state) = - n_iter = 2 J = 138.82 max(relative change in state) = 3.9690 n_iter = 3 J = 121.89 max(relative change in state) = 1.3937 n_iter = 4 J = 116.31 max(relative change in state) = 1.3681 n_iter = 5 J = 128.41 max(relative change in state) = 2.5150 n_iter = 6 J = 115.47 max(relative change in state) = 2.0059 n_iter = 7 J = 115.39 max(relative change in state) = 0.17353E-01 n_iter = 8 J = 115.10 max(relative change in state) = 0.19079 n_iter = 9 J = 115.20 max(relative change in state) = 0.12502 n_iter = 10 J = 114.98 max(relative change in state) = 0.82281E-01 n_iter = 11 J = 114.98 max(relative change in state) = 0.17591E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 403 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 404 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 404 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 135.65 max(relative change in state) = - n_iter = 2 J = 114.00 max(relative change in state) = 1.0174 n_iter = 3 J = 93.925 max(relative change in state) = 1.4502 n_iter = 4 J = 91.472 max(relative change in state) = 0.65147 n_iter = 5 J = 91.251 max(relative change in state) = 0.56149 n_iter = 6 J = 90.415 max(relative change in state) = 0.19357 n_iter = 7 J = 90.272 max(relative change in state) = 0.54671E-01 n_iter = 8 J = 90.827 max(relative change in state) = 0.23679 n_iter = 9 J = 90.149 max(relative change in state) = 0.18050 n_iter = 10 J = 90.079 max(relative change in state) = 0.35044E-01 n_iter = 11 J = 90.013 max(relative change in state) = 0.15792 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 404 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 405 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 405 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 172.73 max(relative change in state) = - n_iter = 2 J = 109.70 max(relative change in state) = 2.3812 n_iter = 3 J = 96.187 max(relative change in state) = 1.9820 n_iter = 4 J = 94.321 max(relative change in state) = 0.95696 n_iter = 5 J = 93.265 max(relative change in state) = 0.89053 n_iter = 6 J = 92.717 max(relative change in state) = 0.13941 n_iter = 7 J = 92.627 max(relative change in state) = 0.49580E-01 n_iter = 8 J = 92.407 max(relative change in state) = 0.19126 n_iter = 9 J = 92.330 max(relative change in state) = 0.27250 n_iter = 10 J = 92.266 max(relative change in state) = 0.11821 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 405 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 406 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 406 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 82.168 max(relative change in state) = - n_iter = 2 J = 68.819 max(relative change in state) = 0.76711 n_iter = 3 J = 55.989 max(relative change in state) = 1.1725 n_iter = 4 J = 54.445 max(relative change in state) = 0.27544 n_iter = 5 J = 57.896 max(relative change in state) = 0.27167 n_iter = 6 J = 54.226 max(relative change in state) = 0.23259 n_iter = 7 J = 54.200 max(relative change in state) = 0.11555E-01 n_iter = 8 J = 54.099 max(relative change in state) = 0.12854 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 406 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 407 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 407 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 242.33 max(relative change in state) = - n_iter = 2 J = 140.17 max(relative change in state) = 4.1941 n_iter = 3 J = 122.51 max(relative change in state) = 1.2437 n_iter = 4 J = 122.89 max(relative change in state) = 1.7858 n_iter = 5 J = 117.48 max(relative change in state) = 0.96976 n_iter = 6 J = 117.01 max(relative change in state) = 0.40844 n_iter = 7 J = 116.78 max(relative change in state) = 0.23231 n_iter = 8 J = 116.37 max(relative change in state) = 0.11301 n_iter = 9 J = 116.33 max(relative change in state) = 0.57962 n_iter = 10 J = 115.80 max(relative change in state) = 0.21571 n_iter = 11 J = 115.71 max(relative change in state) = 0.17220 n_iter = 12 J = 115.65 max(relative change in state) = 0.84043E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 407 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 408 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 408 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 251.41 max(relative change in state) = - n_iter = 2 J = 276.71 max(relative change in state) = 6.2921 n_iter = 3 J = 185.07 max(relative change in state) = 3.6217 n_iter = 4 J = 183.29 max(relative change in state) = 0.56470 n_iter = 5 J = 181.52 max(relative change in state) = 0.23588 n_iter = 6 J = 181.10 max(relative change in state) = 0.59326 n_iter = 7 J = 180.91 max(relative change in state) = 0.97722E-01 n_iter = 8 J = 180.71 max(relative change in state) = 0.23900 n_iter = 9 J = 180.64 max(relative change in state) = 0.13243 n_iter = 10 J = 180.62 max(relative change in state) = 0.20417E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 408 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 409 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 409 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 409 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 410 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 410 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 344.21 max(relative change in state) = - n_iter = 2 J = 208.93 max(relative change in state) = 7.3302 n_iter = 3 J = 170.91 max(relative change in state) = 2.3840 n_iter = 4 J = 168.26 max(relative change in state) = 0.94910 n_iter = 5 J = 165.66 max(relative change in state) = 0.32325 n_iter = 6 J = 164.71 max(relative change in state) = 0.41767 n_iter = 7 J = 163.89 max(relative change in state) = 0.20658 n_iter = 8 J = 163.37 max(relative change in state) = 0.16613 n_iter = 9 J = 163.21 max(relative change in state) = 0.20709 n_iter = 10 J = 163.14 max(relative change in state) = 0.48930E-01 n_iter = 11 J = 163.03 max(relative change in state) = 0.15928 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 410 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 411 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 411 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 227.99 max(relative change in state) = - n_iter = 2 J = 123.62 max(relative change in state) = 3.8344 n_iter = 3 J = 114.04 max(relative change in state) = 0.50005 n_iter = 4 J = 111.98 max(relative change in state) = 1.8065 n_iter = 5 J = 107.06 max(relative change in state) = 1.3448 n_iter = 6 J = 106.59 max(relative change in state) = 0.20540 n_iter = 7 J = 106.40 max(relative change in state) = 0.21245 n_iter = 8 J = 106.22 max(relative change in state) = 0.10816 n_iter = 9 J = 106.07 max(relative change in state) = 0.39720 n_iter = 10 J = 105.95 max(relative change in state) = 0.29414 n_iter = 11 J = 105.93 max(relative change in state) = 0.18207E-01 n_iter = 12 J = 105.92 max(relative change in state) = 0.24646E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 411 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 412 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 412 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 65.867 max(relative change in state) = - n_iter = 2 J = 57.712 max(relative change in state) = 0.89879 n_iter = 3 J = 55.720 max(relative change in state) = 0.99942 n_iter = 4 J = 56.586 max(relative change in state) = 0.46417 n_iter = 5 J = 55.496 max(relative change in state) = 0.33953 n_iter = 6 J = 55.442 max(relative change in state) = 0.41558E-01 n_iter = 7 J = 55.359 max(relative change in state) = 0.10095 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 412 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 413 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 413 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 131.94 max(relative change in state) = - n_iter = 2 J = 109.19 max(relative change in state) = 0.61608 n_iter = 3 J = 74.807 max(relative change in state) = 1.1633 n_iter = 4 J = 66.214 max(relative change in state) = 0.66110 n_iter = 5 J = 63.120 max(relative change in state) = 0.37827 n_iter = 6 J = 61.980 max(relative change in state) = 0.73143 n_iter = 7 J = 60.536 max(relative change in state) = 0.24511 n_iter = 8 J = 60.048 max(relative change in state) = 0.25281 n_iter = 9 J = 59.736 max(relative change in state) = 0.15677 n_iter = 10 J = 59.902 max(relative change in state) = 0.30987 n_iter = 11 J = 59.266 max(relative change in state) = 0.15000 n_iter = 12 J = 59.204 max(relative change in state) = 0.37195E-01 n_iter = 13 J = 59.132 max(relative change in state) = 0.44197E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 413 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 414 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 414 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 154.32 max(relative change in state) = - n_iter = 2 J = 106.66 max(relative change in state) = 1.9822 n_iter = 3 J = 79.377 max(relative change in state) = 2.3037 n_iter = 4 J = 80.875 max(relative change in state) = 1.1830 n_iter = 5 J = 78.168 max(relative change in state) = 0.76432 n_iter = 6 J = 78.023 max(relative change in state) = 0.13460 n_iter = 7 J = 77.840 max(relative change in state) = 0.24459 n_iter = 8 J = 77.668 max(relative change in state) = 0.78893E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 414 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 415 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 415 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 158.57 max(relative change in state) = - n_iter = 2 J = 112.47 max(relative change in state) = 2.0235 n_iter = 3 J = 98.724 max(relative change in state) = 1.6241 n_iter = 4 J = 100.08 max(relative change in state) = 1.2128 n_iter = 5 J = 97.859 max(relative change in state) = 0.83825 n_iter = 6 J = 97.699 max(relative change in state) = 0.17709 n_iter = 7 J = 97.206 max(relative change in state) = 0.30747 n_iter = 8 J = 97.240 max(relative change in state) = 0.26916 n_iter = 9 J = 97.059 max(relative change in state) = 0.65419E-01 n_iter = 10 J = 97.032 max(relative change in state) = 0.20352E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 415 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 416 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 416 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 79.258 max(relative change in state) = - n_iter = 2 J = 68.251 max(relative change in state) = 0.76692 n_iter = 3 J = 62.765 max(relative change in state) = 0.68826 n_iter = 4 J = 63.083 max(relative change in state) = 0.61535 n_iter = 5 J = 61.605 max(relative change in state) = 0.44762 n_iter = 6 J = 61.562 max(relative change in state) = 0.28525E-01 n_iter = 7 J = 61.422 max(relative change in state) = 0.11554 n_iter = 8 J = 61.357 max(relative change in state) = 0.12308 n_iter = 9 J = 61.319 max(relative change in state) = 0.64374E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 416 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 417 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 417 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 31.188 max(relative change in state) = - n_iter = 2 J = 25.641 max(relative change in state) = 0.46686 n_iter = 3 J = 15.358 max(relative change in state) = 1.6803 n_iter = 4 J = 14.939 max(relative change in state) = 0.28987 n_iter = 5 J = 15.609 max(relative change in state) = 0.41333 n_iter = 6 J = 14.863 max(relative change in state) = 0.29456 n_iter = 7 J = 14.858 max(relative change in state) = 0.86897E-02 n_iter = 8 J = 14.846 max(relative change in state) = 0.48127E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 417 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 418 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 418 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 213.63 max(relative change in state) = - n_iter = 2 J = 133.24 max(relative change in state) = 5.5271 n_iter = 3 J = 121.81 max(relative change in state) = 1.3579 n_iter = 4 J = 123.00 max(relative change in state) = 1.4338 n_iter = 5 J = 119.32 max(relative change in state) = 0.87171 n_iter = 6 J = 119.09 max(relative change in state) = 0.24344 n_iter = 7 J = 118.93 max(relative change in state) = 0.21113 n_iter = 8 J = 118.68 max(relative change in state) = 0.12158 n_iter = 9 J = 118.36 max(relative change in state) = 0.47923 n_iter = 10 J = 118.15 max(relative change in state) = 0.36884 n_iter = 11 J = 118.09 max(relative change in state) = 0.58067E-01 n_iter = 12 J = 118.05 max(relative change in state) = 0.61298E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 418 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 419 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 419 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.679 max(relative change in state) = - n_iter = 2 J = 43.056 max(relative change in state) = 0.46274 n_iter = 3 J = 32.496 max(relative change in state) = 1.0509 n_iter = 4 J = 35.194 max(relative change in state) = 1.2524 n_iter = 5 J = 32.237 max(relative change in state) = 0.99296 n_iter = 6 J = 32.165 max(relative change in state) = 0.25743E-01 n_iter = 7 J = 31.792 max(relative change in state) = 0.22328 n_iter = 8 J = 32.049 max(relative change in state) = 0.24634 n_iter = 9 J = 31.749 max(relative change in state) = 0.15844 n_iter = 10 J = 31.740 max(relative change in state) = 0.12032E-01 n_iter = 11 J = 31.710 max(relative change in state) = 0.71802E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 419 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 420 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 420 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 123.61 max(relative change in state) = - n_iter = 2 J = 101.23 max(relative change in state) = 0.77290 n_iter = 3 J = 54.325 max(relative change in state) = 3.3405 n_iter = 4 J = 53.758 max(relative change in state) = 0.66806 n_iter = 5 J = 52.964 max(relative change in state) = 0.24239 n_iter = 6 J = 52.685 max(relative change in state) = 0.29865 n_iter = 7 J = 52.588 max(relative change in state) = 0.14014 n_iter = 8 J = 52.533 max(relative change in state) = 0.52688E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 420 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 421 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 421 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 421 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 422 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 422 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.643 max(relative change in state) = - n_iter = 2 J = 57.292 max(relative change in state) = 0.45237 n_iter = 3 J = 37.013 max(relative change in state) = 1.9664 n_iter = 4 J = 41.405 max(relative change in state) = 1.6030 n_iter = 5 J = 36.514 max(relative change in state) = 1.2677 n_iter = 6 J = 36.378 max(relative change in state) = 0.49892E-01 n_iter = 7 J = 35.673 max(relative change in state) = 0.45244 n_iter = 8 J = 35.645 max(relative change in state) = 0.55421 n_iter = 9 J = 35.398 max(relative change in state) = 0.33443 n_iter = 10 J = 35.363 max(relative change in state) = 0.89582E-01 n_iter = 11 J = 35.330 max(relative change in state) = 0.55361E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 422 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 423 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 423 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 67.401 max(relative change in state) = - n_iter = 2 J = 56.443 max(relative change in state) = 0.58390 n_iter = 3 J = 46.348 max(relative change in state) = 0.93741 n_iter = 4 J = 47.796 max(relative change in state) = 1.0423 n_iter = 5 J = 45.945 max(relative change in state) = 0.75341 n_iter = 6 J = 45.865 max(relative change in state) = 0.67298E-01 n_iter = 7 J = 45.637 max(relative change in state) = 0.25204 n_iter = 8 J = 45.522 max(relative change in state) = 0.86497E-01 n_iter = 9 J = 45.560 max(relative change in state) = 0.15556 n_iter = 10 J = 45.494 max(relative change in state) = 0.63009E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 423 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 424 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 424 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 36.658 max(relative change in state) = - n_iter = 2 J = 30.199 max(relative change in state) = 0.43234 n_iter = 3 J = 19.963 max(relative change in state) = 1.4208 n_iter = 4 J = 19.646 max(relative change in state) = 0.18502 n_iter = 5 J = 19.422 max(relative change in state) = 0.17833 n_iter = 6 J = 19.402 max(relative change in state) = 0.17394E-01 n_iter = 7 J = 19.363 max(relative change in state) = 0.77087E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 424 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 425 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 425 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 262.40 max(relative change in state) = - n_iter = 2 J = 226.68 max(relative change in state) = 5.7690 n_iter = 3 J = 170.70 max(relative change in state) = 2.8644 n_iter = 4 J = 168.48 max(relative change in state) = 0.68965 n_iter = 5 J = 166.05 max(relative change in state) = 0.22118 n_iter = 6 J = 165.09 max(relative change in state) = 0.34720 n_iter = 7 J = 164.45 max(relative change in state) = 0.19409 n_iter = 8 J = 163.91 max(relative change in state) = 0.31216 n_iter = 9 J = 163.65 max(relative change in state) = 0.11582 n_iter = 10 J = 163.51 max(relative change in state) = 0.11396 n_iter = 11 J = 163.46 max(relative change in state) = 0.69993E-01 n_iter = 12 J = 163.36 max(relative change in state) = 0.69917E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 425 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 426 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 426 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 145.77 max(relative change in state) = - n_iter = 2 J = 112.03 max(relative change in state) = 1.3235 n_iter = 3 J = 87.310 max(relative change in state) = 1.8543 n_iter = 4 J = 86.226 max(relative change in state) = 0.36028 n_iter = 5 J = 86.057 max(relative change in state) = 0.31830 n_iter = 6 J = 85.735 max(relative change in state) = 0.86416E-01 n_iter = 7 J = 85.684 max(relative change in state) = 0.29065E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 426 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 427 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 427 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 232.50 max(relative change in state) = - n_iter = 2 J = 179.37 max(relative change in state) = 7.0897 n_iter = 3 J = 149.15 max(relative change in state) = 2.6784 n_iter = 4 J = 147.76 max(relative change in state) = 0.48497 n_iter = 5 J = 146.49 max(relative change in state) = 0.27570 n_iter = 6 J = 146.18 max(relative change in state) = 0.31904 n_iter = 7 J = 145.94 max(relative change in state) = 0.10304 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 427 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 428 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 428 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 106.17 max(relative change in state) = - n_iter = 2 J = 88.004 max(relative change in state) = 0.68525 n_iter = 3 J = 64.242 max(relative change in state) = 1.5462 n_iter = 4 J = 64.024 max(relative change in state) = 0.91186 n_iter = 5 J = 63.136 max(relative change in state) = 0.61179 n_iter = 6 J = 63.025 max(relative change in state) = 0.17595 n_iter = 7 J = 62.964 max(relative change in state) = 0.70056E-01 n_iter = 8 J = 62.878 max(relative change in state) = 0.69626E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 428 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 429 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 429 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 309.36 max(relative change in state) = - n_iter = 2 J = 492.08 max(relative change in state) = 9.7993 n_iter = 3 J = 235.67 max(relative change in state) = 6.7552 n_iter = 4 J = 231.68 max(relative change in state) = 0.34993 n_iter = 5 J = 228.28 max(relative change in state) = 0.71259 n_iter = 6 J = 227.43 max(relative change in state) = 0.16146 n_iter = 7 J = 226.95 max(relative change in state) = 0.58824E-01 n_iter = 8 J = 226.76 max(relative change in state) = 0.40018E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 429 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 430 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 430 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.095 max(relative change in state) = - n_iter = 2 J = 57.585 max(relative change in state) = 0.69579 n_iter = 3 J = 44.405 max(relative change in state) = 1.3240 n_iter = 4 J = 44.587 max(relative change in state) = 0.64776 n_iter = 5 J = 43.333 max(relative change in state) = 0.39680 n_iter = 6 J = 43.249 max(relative change in state) = 0.13966 n_iter = 7 J = 43.212 max(relative change in state) = 0.73411E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 430 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 431 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 431 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.560 max(relative change in state) = - n_iter = 2 J = 42.755 max(relative change in state) = 0.49965 n_iter = 3 J = 29.579 max(relative change in state) = 1.4649 n_iter = 4 J = 28.109 max(relative change in state) = 0.54868 n_iter = 5 J = 29.847 max(relative change in state) = 1.2493 n_iter = 6 J = 27.998 max(relative change in state) = 1.0161 n_iter = 7 J = 27.975 max(relative change in state) = 0.19271E-01 n_iter = 8 J = 27.874 max(relative change in state) = 0.11653 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 431 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 432 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 432 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 72.506 max(relative change in state) = - n_iter = 2 J = 60.797 max(relative change in state) = 0.66422 n_iter = 3 J = 49.221 max(relative change in state) = 1.3423 n_iter = 4 J = 47.500 max(relative change in state) = 0.56947 n_iter = 5 J = 50.349 max(relative change in state) = 1.0034 n_iter = 6 J = 47.286 max(relative change in state) = 0.76422 n_iter = 7 J = 47.258 max(relative change in state) = 0.12129E-01 n_iter = 8 J = 47.100 max(relative change in state) = 0.19308 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 432 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 433 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 433 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.003 max(relative change in state) = - n_iter = 2 J = 57.619 max(relative change in state) = 0.54610 n_iter = 3 J = 40.549 max(relative change in state) = 1.5580 n_iter = 4 J = 38.372 max(relative change in state) = 0.50174 n_iter = 5 J = 43.894 max(relative change in state) = 1.1383 n_iter = 6 J = 38.179 max(relative change in state) = 0.95509 n_iter = 7 J = 38.144 max(relative change in state) = 0.12904E-01 n_iter = 8 J = 38.029 max(relative change in state) = 0.22381 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 433 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 434 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 434 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 94.670 max(relative change in state) = - n_iter = 2 J = 78.197 max(relative change in state) = 0.56263 n_iter = 3 J = 52.764 max(relative change in state) = 1.6858 n_iter = 4 J = 50.850 max(relative change in state) = 0.32045 n_iter = 5 J = 52.481 max(relative change in state) = 0.67172 n_iter = 6 J = 50.297 max(relative change in state) = 0.42662 n_iter = 7 J = 50.230 max(relative change in state) = 0.15614E-01 n_iter = 8 J = 49.845 max(relative change in state) = 0.20970 n_iter = 9 J = 49.854 max(relative change in state) = 0.27330 n_iter = 10 J = 49.787 max(relative change in state) = 0.18863 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 434 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 435 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 435 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 83.900 max(relative change in state) = - n_iter = 2 J = 68.966 max(relative change in state) = 0.47837 n_iter = 3 J = 42.025 max(relative change in state) = 2.3744 n_iter = 4 J = 41.025 max(relative change in state) = 0.32344 n_iter = 5 J = 41.251 max(relative change in state) = 0.62177 n_iter = 6 J = 40.763 max(relative change in state) = 0.45286 n_iter = 7 J = 40.678 max(relative change in state) = 0.13521 n_iter = 8 J = 40.511 max(relative change in state) = 0.12974 n_iter = 9 J = 40.569 max(relative change in state) = 0.20402 n_iter = 10 J = 40.412 max(relative change in state) = 0.14099 n_iter = 11 J = 40.415 max(relative change in state) = 0.94410E-01 n_iter = 12 J = 40.336 max(relative change in state) = 0.43559E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 435 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 436 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 436 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 77.341 max(relative change in state) = - n_iter = 2 J = 64.161 max(relative change in state) = 0.65715 n_iter = 3 J = 44.746 max(relative change in state) = 1.7185 n_iter = 4 J = 44.236 max(relative change in state) = 0.65230 n_iter = 5 J = 43.420 max(relative change in state) = 0.32259 n_iter = 6 J = 43.279 max(relative change in state) = 0.19651 n_iter = 7 J = 43.200 max(relative change in state) = 0.17450 n_iter = 8 J = 43.134 max(relative change in state) = 0.40658E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 436 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 437 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 437 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 68.305 max(relative change in state) = - n_iter = 2 J = 55.981 max(relative change in state) = 0.40398 n_iter = 3 J = 29.092 max(relative change in state) = 1.8331 n_iter = 4 J = 28.489 max(relative change in state) = 0.38264 n_iter = 5 J = 28.150 max(relative change in state) = 0.27620 n_iter = 6 J = 28.069 max(relative change in state) = 0.33731E-01 n_iter = 7 J = 28.034 max(relative change in state) = 0.40621E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 437 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 438 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 438 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.179 max(relative change in state) = - n_iter = 2 J = 54.616 max(relative change in state) = 0.45188 n_iter = 3 J = 34.810 max(relative change in state) = 1.6709 n_iter = 4 J = 34.525 max(relative change in state) = 0.91888 n_iter = 5 J = 32.690 max(relative change in state) = 0.44197 n_iter = 6 J = 32.227 max(relative change in state) = 0.33313 n_iter = 7 J = 31.820 max(relative change in state) = 0.21167 n_iter = 8 J = 31.645 max(relative change in state) = 0.14350 n_iter = 9 J = 31.285 max(relative change in state) = 0.16482 n_iter = 10 J = 31.138 max(relative change in state) = 0.18453 n_iter = 11 J = 30.979 max(relative change in state) = 0.58142E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 438 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 439 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 439 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 78.805 max(relative change in state) = - n_iter = 2 J = 65.319 max(relative change in state) = 0.53467 n_iter = 3 J = 43.639 max(relative change in state) = 2.3829 n_iter = 4 J = 42.077 max(relative change in state) = 0.55060 n_iter = 5 J = 42.955 max(relative change in state) = 0.64994 n_iter = 6 J = 41.636 max(relative change in state) = 0.36840 n_iter = 7 J = 41.580 max(relative change in state) = 0.21640E-01 n_iter = 8 J = 41.455 max(relative change in state) = 0.98465E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 439 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 440 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 440 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 76.894 max(relative change in state) = - n_iter = 2 J = 64.287 max(relative change in state) = 0.49849 n_iter = 3 J = 41.977 max(relative change in state) = 1.5335 n_iter = 4 J = 40.970 max(relative change in state) = 0.68909 n_iter = 5 J = 40.069 max(relative change in state) = 0.42386 n_iter = 6 J = 39.820 max(relative change in state) = 0.12194 n_iter = 7 J = 39.632 max(relative change in state) = 0.27529 n_iter = 8 J = 39.424 max(relative change in state) = 0.10298 n_iter = 9 J = 39.338 max(relative change in state) = 0.93858E-01 n_iter = 10 J = 39.344 max(relative change in state) = 0.20169 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 440 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 441 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 441 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 70.318 max(relative change in state) = - n_iter = 2 J = 58.052 max(relative change in state) = 0.55874 n_iter = 3 J = 37.462 max(relative change in state) = 1.9256 n_iter = 4 J = 36.622 max(relative change in state) = 0.57623 n_iter = 5 J = 35.626 max(relative change in state) = 0.19622 n_iter = 6 J = 35.315 max(relative change in state) = 0.25304 n_iter = 7 J = 35.185 max(relative change in state) = 0.93736E-01 n_iter = 8 J = 35.070 max(relative change in state) = 0.58936E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 441 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 442 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 442 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 219.93 max(relative change in state) = - n_iter = 2 J = 106.39 max(relative change in state) = 3.9399 n_iter = 3 J = 96.346 max(relative change in state) = 0.75624 n_iter = 4 J = 96.683 max(relative change in state) = 1.3486 n_iter = 5 J = 93.337 max(relative change in state) = 0.77526 n_iter = 6 J = 93.000 max(relative change in state) = 0.30793 n_iter = 7 J = 92.717 max(relative change in state) = 0.23612 n_iter = 8 J = 92.466 max(relative change in state) = 0.12074 n_iter = 9 J = 92.114 max(relative change in state) = 0.34722 n_iter = 10 J = 91.924 max(relative change in state) = 0.47363E-01 n_iter = 11 J = 91.647 max(relative change in state) = 0.11484 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 442 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 443 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 443 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 176.57 max(relative change in state) = - n_iter = 2 J = 101.20 max(relative change in state) = 2.3136 n_iter = 3 J = 77.886 max(relative change in state) = 1.7331 n_iter = 4 J = 76.361 max(relative change in state) = 0.37327 n_iter = 5 J = 77.055 max(relative change in state) = 1.1744 n_iter = 6 J = 76.011 max(relative change in state) = 0.77825 n_iter = 7 J = 75.950 max(relative change in state) = 0.77731E-01 n_iter = 8 J = 75.848 max(relative change in state) = 0.15641 n_iter = 9 J = 75.766 max(relative change in state) = 0.99715E-01 n_iter = 10 J = 75.739 max(relative change in state) = 0.26578E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 443 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 444 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 444 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 110.66 max(relative change in state) = - n_iter = 2 J = 91.215 max(relative change in state) = 0.50870 n_iter = 3 J = 48.111 max(relative change in state) = 1.8492 n_iter = 4 J = 45.733 max(relative change in state) = 0.34746 n_iter = 5 J = 47.254 max(relative change in state) = 1.1426 n_iter = 6 J = 45.142 max(relative change in state) = 0.81662 n_iter = 7 J = 45.036 max(relative change in state) = 0.10540 n_iter = 8 J = 44.909 max(relative change in state) = 0.26722 n_iter = 9 J = 44.785 max(relative change in state) = 0.47800E-01 n_iter = 10 J = 44.861 max(relative change in state) = 0.18219 n_iter = 11 J = 44.660 max(relative change in state) = 0.48262E-01 n_iter = 12 J = 44.597 max(relative change in state) = 0.41163E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 444 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 445 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 445 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 49.589 max(relative change in state) = - n_iter = 2 J = 41.231 max(relative change in state) = 0.55437 n_iter = 3 J = 30.853 max(relative change in state) = 1.2877 n_iter = 4 J = 30.646 max(relative change in state) = 0.71931 n_iter = 5 J = 29.516 max(relative change in state) = 0.37951 n_iter = 6 J = 29.408 max(relative change in state) = 0.18941 n_iter = 7 J = 29.365 max(relative change in state) = 0.94436E-01 n_iter = 8 J = 29.280 max(relative change in state) = 0.69067E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 445 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 446 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 446 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 84.219 max(relative change in state) = - n_iter = 2 J = 69.304 max(relative change in state) = 0.64822 n_iter = 3 J = 41.685 max(relative change in state) = 2.4078 n_iter = 4 J = 42.702 max(relative change in state) = 1.1252 n_iter = 5 J = 40.817 max(relative change in state) = 0.69631 n_iter = 6 J = 40.634 max(relative change in state) = 0.14021 n_iter = 7 J = 40.415 max(relative change in state) = 0.30525 n_iter = 8 J = 40.280 max(relative change in state) = 0.14661 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 446 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 447 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 447 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 111.40 max(relative change in state) = - n_iter = 2 J = 91.682 max(relative change in state) = 0.62003 n_iter = 3 J = 58.627 max(relative change in state) = 2.1184 n_iter = 4 J = 56.768 max(relative change in state) = 0.51379 n_iter = 5 J = 61.596 max(relative change in state) = 0.57928 n_iter = 6 J = 56.102 max(relative change in state) = 0.44116 n_iter = 7 J = 55.716 max(relative change in state) = 0.84918E-01 n_iter = 8 J = 55.743 max(relative change in state) = 0.38045 n_iter = 9 J = 55.303 max(relative change in state) = 0.24476 n_iter = 10 J = 54.388 max(relative change in state) = 0.35768 n_iter = 11 J = 54.090 max(relative change in state) = 0.35080 n_iter = 12 J = 53.914 max(relative change in state) = 0.10316 n_iter = 13 J = 53.617 max(relative change in state) = 0.31500 n_iter = 14 J = 53.606 max(relative change in state) = 0.44744 n_iter = 15 J = 53.384 max(relative change in state) = 0.24782 n_iter = 16 J = 53.315 max(relative change in state) = 0.12228 n_iter = 17 J = 53.269 max(relative change in state) = 0.13947 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 17. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 447 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 448 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 448 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 39.996 max(relative change in state) = - n_iter = 2 J = 32.997 max(relative change in state) = 0.38834 n_iter = 3 J = 22.238 max(relative change in state) = 1.0556 n_iter = 4 J = 23.289 max(relative change in state) = 0.80393 n_iter = 5 J = 21.959 max(relative change in state) = 0.57729 n_iter = 6 J = 21.898 max(relative change in state) = 0.42572E-01 n_iter = 7 J = 21.696 max(relative change in state) = 0.18496 n_iter = 8 J = 21.639 max(relative change in state) = 0.11400 n_iter = 9 J = 21.617 max(relative change in state) = 0.29867E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 448 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 449 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 449 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 9 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 198.51 max(relative change in state) = - n_iter = 2 J = 144.22 max(relative change in state) = 3.6365 n_iter = 3 J = 133.81 max(relative change in state) = 1.3538 n_iter = 4 J = 133.04 max(relative change in state) = 0.53014 n_iter = 5 J = 132.40 max(relative change in state) = 0.20355 n_iter = 6 J = 132.28 max(relative change in state) = 0.17834 n_iter = 7 J = 132.18 max(relative change in state) = 0.96602E-01 n_iter = 8 J = 132.06 max(relative change in state) = 0.87141E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 449 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 450 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 450 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 97.847 max(relative change in state) = - n_iter = 2 J = 80.590 max(relative change in state) = 0.75301 n_iter = 3 J = 53.420 max(relative change in state) = 2.8167 n_iter = 4 J = 53.628 max(relative change in state) = 0.70390 n_iter = 5 J = 52.774 max(relative change in state) = 0.66607 n_iter = 6 J = 52.682 max(relative change in state) = 0.67409E-01 n_iter = 7 J = 52.644 max(relative change in state) = 0.49155E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 450 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 451 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 451 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 260.91 max(relative change in state) = - n_iter = 2 J = 149.64 max(relative change in state) = 5.7687 n_iter = 3 J = 136.92 max(relative change in state) = 1.4960 n_iter = 4 J = 135.01 max(relative change in state) = 0.31910 n_iter = 5 J = 136.09 max(relative change in state) = 1.0223 n_iter = 6 J = 134.04 max(relative change in state) = 0.68106 n_iter = 7 J = 133.95 max(relative change in state) = 0.12889 n_iter = 8 J = 133.86 max(relative change in state) = 0.17312 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 451 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 452 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 452 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 452 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 453 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 453 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 368.32 max(relative change in state) = - n_iter = 2 J = 201.98 max(relative change in state) = 8.8013 n_iter = 3 J = 163.58 max(relative change in state) = 2.3275 n_iter = 4 J = 160.19 max(relative change in state) = 0.46029 n_iter = 5 J = 158.37 max(relative change in state) = 0.41255 n_iter = 6 J = 157.82 max(relative change in state) = 0.23087 n_iter = 7 J = 157.36 max(relative change in state) = 0.21775 n_iter = 8 J = 157.41 max(relative change in state) = 0.66665 n_iter = 9 J = 157.07 max(relative change in state) = 0.41825 n_iter = 10 J = 157.02 max(relative change in state) = 0.10330 n_iter = 11 J = 156.93 max(relative change in state) = 0.10935 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 453 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 454 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 454 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 243.99 max(relative change in state) = - n_iter = 2 J = 158.59 max(relative change in state) = 5.0203 n_iter = 3 J = 134.36 max(relative change in state) = 2.1462 n_iter = 4 J = 132.45 max(relative change in state) = 0.30780 n_iter = 5 J = 135.73 max(relative change in state) = 1.1408 n_iter = 6 J = 131.70 max(relative change in state) = 0.87633 n_iter = 7 J = 131.51 max(relative change in state) = 0.73999E-01 n_iter = 8 J = 131.32 max(relative change in state) = 0.34296 n_iter = 9 J = 131.06 max(relative change in state) = 0.12651 n_iter = 10 J = 131.03 max(relative change in state) = 0.25950 n_iter = 11 J = 130.85 max(relative change in state) = 0.10511 n_iter = 12 J = 130.89 max(relative change in state) = 0.14830 n_iter = 13 J = 130.73 max(relative change in state) = 0.91845E-01 n_iter = 14 J = 130.54 max(relative change in state) = 0.99613E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 454 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 455 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 455 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 455 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 456 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 456 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 59.307 max(relative change in state) = - n_iter = 2 J = 49.228 max(relative change in state) = 0.62403 n_iter = 3 J = 37.807 max(relative change in state) = 1.7557 n_iter = 4 J = 39.866 max(relative change in state) = 1.1686 n_iter = 5 J = 37.498 max(relative change in state) = 0.88454 n_iter = 6 J = 37.430 max(relative change in state) = 0.40143E-01 n_iter = 7 J = 37.120 max(relative change in state) = 0.17187 n_iter = 8 J = 37.096 max(relative change in state) = 0.27471 n_iter = 9 J = 37.024 max(relative change in state) = 0.17981 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 456 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 457 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 457 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 52.730 max(relative change in state) = - n_iter = 2 J = 44.070 max(relative change in state) = 0.48861 n_iter = 3 J = 33.128 max(relative change in state) = 1.1882 n_iter = 4 J = 32.300 max(relative change in state) = 0.39525 n_iter = 5 J = 33.402 max(relative change in state) = 0.56162 n_iter = 6 J = 32.147 max(relative change in state) = 0.32684 n_iter = 7 J = 32.072 max(relative change in state) = 0.64566E-01 n_iter = 8 J = 32.025 max(relative change in state) = 0.93617E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 457 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 458 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 458 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 113.07 max(relative change in state) = - n_iter = 2 J = 94.199 max(relative change in state) = 0.67108 n_iter = 3 J = 74.965 max(relative change in state) = 1.4982 n_iter = 4 J = 75.229 max(relative change in state) = 0.36863 n_iter = 5 J = 73.720 max(relative change in state) = 0.20449 n_iter = 6 J = 73.616 max(relative change in state) = 0.71608E-01 n_iter = 7 J = 73.578 max(relative change in state) = 0.25592E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 458 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 459 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 459 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.674 max(relative change in state) = - n_iter = 2 J = 54.987 max(relative change in state) = 0.42600 n_iter = 3 J = 36.090 max(relative change in state) = 1.4446 n_iter = 4 J = 35.409 max(relative change in state) = 0.42444 n_iter = 5 J = 35.476 max(relative change in state) = 0.54702 n_iter = 6 J = 35.132 max(relative change in state) = 0.19770 n_iter = 7 J = 35.116 max(relative change in state) = 0.10070E-01 n_iter = 8 J = 35.049 max(relative change in state) = 0.90519E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 459 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 460 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 460 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 111.93 max(relative change in state) = - n_iter = 2 J = 93.126 max(relative change in state) = 0.72006 n_iter = 3 J = 73.527 max(relative change in state) = 1.3791 n_iter = 4 J = 72.440 max(relative change in state) = 0.30865 n_iter = 5 J = 73.624 max(relative change in state) = 0.96834 n_iter = 6 J = 72.072 max(relative change in state) = 0.67247 n_iter = 7 J = 72.036 max(relative change in state) = 0.61547E-01 n_iter = 8 J = 71.938 max(relative change in state) = 0.15109 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 460 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 461 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 461 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 19.240 max(relative change in state) = - n_iter = 2 J = 16.022 max(relative change in state) = 0.36987 n_iter = 3 J = 12.471 max(relative change in state) = 0.77058 n_iter = 4 J = 12.103 max(relative change in state) = 0.20136 n_iter = 5 J = 12.489 max(relative change in state) = 0.69642 n_iter = 6 J = 12.017 max(relative change in state) = 0.52919 n_iter = 7 J = 12.009 max(relative change in state) = 0.31238E-01 n_iter = 8 J = 11.997 max(relative change in state) = 0.51377E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 461 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 462 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 462 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 61.090 max(relative change in state) = - n_iter = 2 J = 50.782 max(relative change in state) = 0.79298 n_iter = 3 J = 39.602 max(relative change in state) = 1.6346 n_iter = 4 J = 42.644 max(relative change in state) = 1.2133 n_iter = 5 J = 39.340 max(relative change in state) = 0.96079 n_iter = 6 J = 39.273 max(relative change in state) = 0.15964E-01 n_iter = 7 J = 38.913 max(relative change in state) = 0.19328 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 462 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 463 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 463 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 74.245 max(relative change in state) = - n_iter = 2 J = 61.178 max(relative change in state) = 0.64472 n_iter = 3 J = 40.388 max(relative change in state) = 2.0349 n_iter = 4 J = 43.754 max(relative change in state) = 1.3143 n_iter = 5 J = 40.085 max(relative change in state) = 1.0557 n_iter = 6 J = 40.010 max(relative change in state) = 0.28617E-01 n_iter = 7 J = 39.721 max(relative change in state) = 0.24610 n_iter = 8 J = 39.865 max(relative change in state) = 0.12708 n_iter = 9 J = 39.666 max(relative change in state) = 0.59960E-01 n_iter = 10 J = 39.657 max(relative change in state) = 0.10578E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 463 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 464 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 464 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 464 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 465 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 465 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 465 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 466 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 466 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 39.444 max(relative change in state) = - n_iter = 2 J = 33.122 max(relative change in state) = 0.44541 n_iter = 3 J = 27.656 max(relative change in state) = 0.67675 n_iter = 4 J = 27.101 max(relative change in state) = 0.18321 n_iter = 5 J = 28.431 max(relative change in state) = 0.18707 n_iter = 6 J = 27.036 max(relative change in state) = 0.15934 n_iter = 7 J = 27.028 max(relative change in state) = 0.59395E-02 n_iter = 8 J = 27.000 max(relative change in state) = 0.84736E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 466 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 467 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 467 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 138.56 max(relative change in state) = - n_iter = 2 J = 114.23 max(relative change in state) = 1.1799 n_iter = 3 J = 93.125 max(relative change in state) = 1.7241 n_iter = 4 J = 91.986 max(relative change in state) = 0.30324 n_iter = 5 J = 90.908 max(relative change in state) = 0.17301 n_iter = 6 J = 90.842 max(relative change in state) = 0.72993E-01 n_iter = 7 J = 90.762 max(relative change in state) = 0.13244 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 467 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 468 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 468 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 106.02 max(relative change in state) = - n_iter = 2 J = 87.482 max(relative change in state) = 0.68158 n_iter = 3 J = 57.864 max(relative change in state) = 2.1753 n_iter = 4 J = 58.526 max(relative change in state) = 0.86174 n_iter = 5 J = 56.777 max(relative change in state) = 0.49595 n_iter = 6 J = 56.604 max(relative change in state) = 0.17950 n_iter = 7 J = 56.482 max(relative change in state) = 0.12868 n_iter = 8 J = 56.274 max(relative change in state) = 0.20436 n_iter = 9 J = 55.907 max(relative change in state) = 0.28239 n_iter = 10 J = 55.896 max(relative change in state) = 0.14482 n_iter = 11 J = 55.772 max(relative change in state) = 0.35097E-01 n_iter = 12 J = 55.748 max(relative change in state) = 0.31482E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 468 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 469 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 469 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 166.90 max(relative change in state) = - n_iter = 2 J = 104.15 max(relative change in state) = 2.1966 n_iter = 3 J = 81.674 max(relative change in state) = 2.0864 n_iter = 4 J = 81.026 max(relative change in state) = 0.38441 n_iter = 5 J = 80.413 max(relative change in state) = 0.30975 n_iter = 6 J = 80.329 max(relative change in state) = 0.31598E-01 n_iter = 7 J = 80.224 max(relative change in state) = 0.80229E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 469 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 470 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 470 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 86.058 max(relative change in state) = - n_iter = 2 J = 71.936 max(relative change in state) = 0.61851 n_iter = 3 J = 53.248 max(relative change in state) = 1.7983 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 470 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 471 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 471 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 151.95 max(relative change in state) = - n_iter = 2 J = 104.10 max(relative change in state) = 1.2598 n_iter = 3 J = 55.002 max(relative change in state) = 2.7515 n_iter = 4 J = 52.844 max(relative change in state) = 0.27397 n_iter = 5 J = 57.079 max(relative change in state) = 1.3580 n_iter = 6 J = 52.079 max(relative change in state) = 1.0075 n_iter = 7 J = 51.973 max(relative change in state) = 0.57105E-01 n_iter = 8 J = 51.670 max(relative change in state) = 0.20601 n_iter = 9 J = 51.630 max(relative change in state) = 0.25793 n_iter = 10 J = 51.577 max(relative change in state) = 0.10385 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 471 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 472 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 472 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 71.179 max(relative change in state) = - n_iter = 2 J = 59.557 max(relative change in state) = 0.64017 n_iter = 3 J = 48.081 max(relative change in state) = 1.1440 n_iter = 4 J = 47.544 max(relative change in state) = 0.44271 n_iter = 5 J = 46.672 max(relative change in state) = 0.26158 n_iter = 6 J = 46.532 max(relative change in state) = 0.11847 n_iter = 7 J = 46.508 max(relative change in state) = 0.18609 n_iter = 8 J = 46.339 max(relative change in state) = 0.21561 n_iter = 9 J = 46.266 max(relative change in state) = 0.65842E-01 n_iter = 10 J = 46.150 max(relative change in state) = 0.71181E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 472 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 473 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 473 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 132.73 max(relative change in state) = - n_iter = 2 J = 115.45 max(relative change in state) = 0.89995 n_iter = 3 J = 107.85 max(relative change in state) = 0.95546 n_iter = 4 J = 112.26 max(relative change in state) = 1.5920 n_iter = 5 J = 107.28 max(relative change in state) = 1.2537 n_iter = 6 J = 107.11 max(relative change in state) = 0.57403E-01 n_iter = 7 J = 106.67 max(relative change in state) = 0.30675 n_iter = 8 J = 106.43 max(relative change in state) = 0.35850 n_iter = 9 J = 106.26 max(relative change in state) = 0.87324E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 473 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 474 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 474 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.487 max(relative change in state) = - n_iter = 2 J = 42.541 max(relative change in state) = 0.44674 n_iter = 3 J = 29.019 max(relative change in state) = 1.4592 n_iter = 4 J = 29.526 max(relative change in state) = 0.86672 n_iter = 5 J = 28.292 max(relative change in state) = 0.51693 n_iter = 6 J = 28.187 max(relative change in state) = 0.12383 n_iter = 7 J = 28.072 max(relative change in state) = 0.18711 n_iter = 8 J = 27.950 max(relative change in state) = 0.69396E-01 n_iter = 9 J = 27.970 max(relative change in state) = 0.55072 n_iter = 10 J = 27.732 max(relative change in state) = 0.36485 n_iter = 11 J = 27.714 max(relative change in state) = 0.52812E-01 n_iter = 12 J = 27.705 max(relative change in state) = 0.10954E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 474 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 475 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 475 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 224.52 max(relative change in state) = - n_iter = 2 J = 132.19 max(relative change in state) = 4.8266 n_iter = 3 J = 117.12 max(relative change in state) = 1.4335 n_iter = 4 J = 115.53 max(relative change in state) = 0.44504 n_iter = 5 J = 114.62 max(relative change in state) = 0.35057 n_iter = 6 J = 114.46 max(relative change in state) = 0.54360E-01 n_iter = 7 J = 114.36 max(relative change in state) = 0.57142E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 475 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 476 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 476 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 91.647 max(relative change in state) = - n_iter = 2 J = 75.415 max(relative change in state) = 0.52515 n_iter = 3 J = 39.594 max(relative change in state) = 1.9576 n_iter = 4 J = 42.341 max(relative change in state) = 1.5343 n_iter = 5 J = 38.881 max(relative change in state) = 1.1154 n_iter = 6 J = 38.671 max(relative change in state) = 0.92228E-01 n_iter = 7 J = 38.076 max(relative change in state) = 0.42979 n_iter = 8 J = 37.786 max(relative change in state) = 0.28980 n_iter = 9 J = 37.765 max(relative change in state) = 0.45048E-01 n_iter = 10 J = 37.686 max(relative change in state) = 0.29429E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 476 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 477 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 477 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 16.957 max(relative change in state) = - n_iter = 2 J = 14.061 max(relative change in state) = 0.25151 n_iter = 3 J = 10.108 max(relative change in state) = 0.68242 n_iter = 4 J = 9.6399 max(relative change in state) = 0.14429 n_iter = 5 J = 9.7316 max(relative change in state) = 0.28444 n_iter = 6 J = 9.4549 max(relative change in state) = 0.15240 n_iter = 7 J = 9.4407 max(relative change in state) = 0.78720E-01 n_iter = 8 J = 9.4367 max(relative change in state) = 0.30141E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 477 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 478 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 478 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 116.47 max(relative change in state) = - n_iter = 2 J = 99.715 max(relative change in state) = 0.71882 n_iter = 3 J = 61.803 max(relative change in state) = 3.9031 n_iter = 4 J = 81.701 max(relative change in state) = 3.8292 n_iter = 5 J = 61.051 max(relative change in state) = 3.2483 n_iter = 6 J = 60.901 max(relative change in state) = 0.33152E-01 n_iter = 7 J = 60.563 max(relative change in state) = 0.27282 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 478 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 479 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 479 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 177.75 max(relative change in state) = - n_iter = 2 J = 100.44 max(relative change in state) = 2.2404 n_iter = 3 J = 76.776 max(relative change in state) = 2.5583 n_iter = 4 J = 87.838 max(relative change in state) = 2.7094 n_iter = 5 J = 75.806 max(relative change in state) = 2.1465 n_iter = 6 J = 75.633 max(relative change in state) = 0.53297E-01 n_iter = 7 J = 75.212 max(relative change in state) = 0.24811 n_iter = 8 J = 75.132 max(relative change in state) = 0.85772E-01 n_iter = 9 J = 75.054 max(relative change in state) = 0.85172E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 479 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 480 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 480 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 81.317 max(relative change in state) = - n_iter = 2 J = 66.937 max(relative change in state) = 0.45524 n_iter = 3 J = 40.477 max(relative change in state) = 1.8151 n_iter = 4 J = 39.044 max(relative change in state) = 0.41033 n_iter = 5 J = 40.545 max(relative change in state) = 0.65953 n_iter = 6 J = 38.750 max(relative change in state) = 0.44405 n_iter = 7 J = 38.711 max(relative change in state) = 0.12227E-01 n_iter = 8 J = 38.510 max(relative change in state) = 0.17663 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 480 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 481 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 481 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 87.193 max(relative change in state) = - n_iter = 2 J = 72.012 max(relative change in state) = 0.54389 n_iter = 3 J = 49.357 max(relative change in state) = 1.6589 n_iter = 4 J = 48.643 max(relative change in state) = 0.39325 n_iter = 5 J = 48.533 max(relative change in state) = 0.38894 n_iter = 6 J = 48.269 max(relative change in state) = 0.53447E-01 n_iter = 7 J = 48.232 max(relative change in state) = 0.17889E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 481 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 482 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 482 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 69.358 max(relative change in state) = - n_iter = 2 J = 57.402 max(relative change in state) = 0.50643 n_iter = 3 J = 38.757 max(relative change in state) = 1.8915 n_iter = 4 J = 37.819 max(relative change in state) = 0.39480 n_iter = 5 J = 38.402 max(relative change in state) = 0.57859 n_iter = 6 J = 37.558 max(relative change in state) = 0.32454 n_iter = 7 J = 37.534 max(relative change in state) = 0.16401E-01 n_iter = 8 J = 37.444 max(relative change in state) = 0.13508 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 482 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 483 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 483 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 72.715 max(relative change in state) = - n_iter = 2 J = 59.774 max(relative change in state) = 0.47401 n_iter = 3 J = 32.916 max(relative change in state) = 1.5428 n_iter = 4 J = 31.661 max(relative change in state) = 0.35216 n_iter = 5 J = 32.359 max(relative change in state) = 0.59610 n_iter = 6 J = 31.305 max(relative change in state) = 0.32763 n_iter = 7 J = 31.268 max(relative change in state) = 0.14003E-01 n_iter = 8 J = 31.092 max(relative change in state) = 0.18842 n_iter = 9 J = 31.069 max(relative change in state) = 0.24981 n_iter = 10 J = 30.997 max(relative change in state) = 0.10690 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 483 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 484 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 484 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 53.918 max(relative change in state) = - n_iter = 2 J = 45.631 max(relative change in state) = 0.65232 n_iter = 3 J = 38.840 max(relative change in state) = 0.82522 n_iter = 4 J = 42.695 max(relative change in state) = 1.6197 n_iter = 5 J = 38.233 max(relative change in state) = 1.2491 n_iter = 6 J = 38.098 max(relative change in state) = 0.73600E-01 n_iter = 7 J = 37.710 max(relative change in state) = 0.27547 n_iter = 8 J = 37.618 max(relative change in state) = 0.27359 n_iter = 9 J = 37.554 max(relative change in state) = 0.90950E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 484 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 485 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 485 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 94.375 max(relative change in state) = - n_iter = 2 J = 76.934 max(relative change in state) = 0.57594 n_iter = 3 J = 28.231 max(relative change in state) = 3.4200 n_iter = 4 J = 27.743 max(relative change in state) = 0.56298 n_iter = 5 J = 26.998 max(relative change in state) = 0.20947 n_iter = 6 J = 26.776 max(relative change in state) = 0.21983 n_iter = 7 J = 26.663 max(relative change in state) = 0.11786 n_iter = 8 J = 26.553 max(relative change in state) = 0.13581 n_iter = 9 J = 26.475 max(relative change in state) = 0.24731E-01 n_iter = 10 J = 26.451 max(relative change in state) = 0.16578E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 485 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 486 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 486 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 477.53 max(relative change in state) = - n_iter = 2 J = 774.17 max(relative change in state) = 12.961 n_iter = 3 J = 317.96 max(relative change in state) = 7.8793 n_iter = 4 J = 317.29 max(relative change in state) = 1.4902 n_iter = 5 J = 313.43 max(relative change in state) = 0.65468 n_iter = 6 J = 312.63 max(relative change in state) = 0.49253 n_iter = 7 J = 312.28 max(relative change in state) = 0.21284 n_iter = 8 J = 311.06 max(relative change in state) = 0.29908 n_iter = 9 J = 309.96 max(relative change in state) = 0.38751 n_iter = 10 J = 310.00 max(relative change in state) = 0.29193 n_iter = 11 J = 309.75 max(relative change in state) = 0.19614 n_iter = 12 J = 309.71 max(relative change in state) = 0.46955E-01 n_iter = 13 J = 309.64 max(relative change in state) = 0.84675E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 486 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 487 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 487 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 83.551 max(relative change in state) = - n_iter = 2 J = 68.633 max(relative change in state) = 0.56274 n_iter = 3 J = 38.236 max(relative change in state) = 2.6046 n_iter = 4 J = 40.749 max(relative change in state) = 1.4102 n_iter = 5 J = 37.758 max(relative change in state) = 1.0404 n_iter = 6 J = 37.658 max(relative change in state) = 0.57041E-01 n_iter = 7 J = 37.288 max(relative change in state) = 0.24221 n_iter = 8 J = 37.236 max(relative change in state) = 0.30646 n_iter = 9 J = 37.176 max(relative change in state) = 0.14940 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 487 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 488 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 488 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.173 max(relative change in state) = - n_iter = 2 J = 54.362 max(relative change in state) = 0.39619 n_iter = 3 J = 27.309 max(relative change in state) = 1.7805 n_iter = 4 J = 26.864 max(relative change in state) = 0.14867 n_iter = 5 J = 26.974 max(relative change in state) = 0.17205 n_iter = 6 J = 26.664 max(relative change in state) = 0.11887 n_iter = 7 J = 26.623 max(relative change in state) = 0.22510E-01 n_iter = 8 J = 26.633 max(relative change in state) = 0.12783 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 488 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 489 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 489 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 171.34 max(relative change in state) = - n_iter = 2 J = 124.89 max(relative change in state) = 2.9190 n_iter = 3 J = 114.03 max(relative change in state) = 0.58613 n_iter = 4 J = 123.48 max(relative change in state) = 2.5391 n_iter = 5 J = 110.42 max(relative change in state) = 1.8463 n_iter = 6 J = 109.93 max(relative change in state) = 0.22703 n_iter = 7 J = 109.26 max(relative change in state) = 0.54594 n_iter = 8 J = 108.83 max(relative change in state) = 0.95619E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 489 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 490 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 490 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 490 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 491 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 491 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 128.60 max(relative change in state) = - n_iter = 2 J = 106.23 max(relative change in state) = 0.81043 n_iter = 3 J = 70.980 max(relative change in state) = 2.5641 n_iter = 4 J = 68.789 max(relative change in state) = 0.45505 n_iter = 5 J = 68.917 max(relative change in state) = 0.61099 n_iter = 6 J = 67.819 max(relative change in state) = 0.21083 n_iter = 7 J = 67.748 max(relative change in state) = 0.20384E-01 n_iter = 8 J = 67.530 max(relative change in state) = 0.20972 n_iter = 9 J = 67.432 max(relative change in state) = 0.11799 n_iter = 10 J = 67.292 max(relative change in state) = 0.51781E-01 n_iter = 11 J = 67.236 max(relative change in state) = 0.66408E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 491 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 492 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 492 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 307.72 max(relative change in state) = - n_iter = 2 J = 135.51 max(relative change in state) = 6.5829 n_iter = 3 J = 124.89 max(relative change in state) = 1.3403 n_iter = 4 J = 122.68 max(relative change in state) = 0.39402 n_iter = 5 J = 124.00 max(relative change in state) = 1.2583 n_iter = 6 J = 121.67 max(relative change in state) = 0.74997 n_iter = 7 J = 121.55 max(relative change in state) = 0.11619 n_iter = 8 J = 121.32 max(relative change in state) = 0.17610 n_iter = 9 J = 121.22 max(relative change in state) = 0.21817 n_iter = 10 J = 121.16 max(relative change in state) = 0.13464 n_iter = 11 J = 121.12 max(relative change in state) = 0.58699E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 492 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 493 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 493 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 234.91 max(relative change in state) = - n_iter = 2 J = 211.77 max(relative change in state) = 6.1775 n_iter = 3 J = 168.69 max(relative change in state) = 2.6193 n_iter = 4 J = 167.42 max(relative change in state) = 0.23659 n_iter = 5 J = 168.04 max(relative change in state) = 0.31409 n_iter = 6 J = 166.65 max(relative change in state) = 0.23456 n_iter = 7 J = 166.50 max(relative change in state) = 0.40523E-01 n_iter = 8 J = 166.16 max(relative change in state) = 0.14539 n_iter = 9 J = 166.24 max(relative change in state) = 0.10845 n_iter = 10 J = 165.98 max(relative change in state) = 0.14892 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 493 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 494 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 494 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 53.374 max(relative change in state) = - n_iter = 2 J = 44.077 max(relative change in state) = 0.46339 n_iter = 3 J = 29.956 max(relative change in state) = 1.3360 n_iter = 4 J = 28.776 max(relative change in state) = 0.26353 n_iter = 5 J = 30.628 max(relative change in state) = 0.62653 n_iter = 6 J = 28.442 max(relative change in state) = 0.44010 n_iter = 7 J = 28.401 max(relative change in state) = 0.30058E-01 n_iter = 8 J = 28.299 max(relative change in state) = 0.64886E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 494 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 495 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 495 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 176.91 max(relative change in state) = - n_iter = 2 J = 128.33 max(relative change in state) = 3.6011 n_iter = 3 J = 119.84 max(relative change in state) = 0.97672 n_iter = 4 J = 121.90 max(relative change in state) = 1.6230 n_iter = 5 J = 118.24 max(relative change in state) = 1.0416 n_iter = 6 J = 117.98 max(relative change in state) = 0.18555 n_iter = 7 J = 117.62 max(relative change in state) = 0.38614 n_iter = 8 J = 117.18 max(relative change in state) = 0.15952 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 495 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 496 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 496 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 184.47 max(relative change in state) = - n_iter = 2 J = 99.223 max(relative change in state) = 2.5280 n_iter = 3 J = 76.340 max(relative change in state) = 1.8215 n_iter = 4 J = 74.058 max(relative change in state) = 0.66807 n_iter = 5 J = 72.304 max(relative change in state) = 0.24592 n_iter = 6 J = 71.963 max(relative change in state) = 0.32273 n_iter = 7 J = 71.749 max(relative change in state) = 0.14665 n_iter = 8 J = 71.473 max(relative change in state) = 0.14583 n_iter = 9 J = 71.542 max(relative change in state) = 0.70832E-01 n_iter = 10 J = 71.388 max(relative change in state) = 0.64194E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 496 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 497 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 497 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 120.36 max(relative change in state) = - n_iter = 2 J = 98.565 max(relative change in state) = 0.63591 n_iter = 3 J = 49.985 max(relative change in state) = 2.6461 n_iter = 4 J = 48.117 max(relative change in state) = 0.31658 n_iter = 5 J = 50.823 max(relative change in state) = 1.6772 n_iter = 6 J = 47.555 max(relative change in state) = 1.3079 n_iter = 7 J = 47.446 max(relative change in state) = 0.16053 n_iter = 8 J = 47.340 max(relative change in state) = 0.18047 n_iter = 9 J = 47.215 max(relative change in state) = 0.10860 n_iter = 10 J = 47.286 max(relative change in state) = 0.49384 n_iter = 11 J = 47.093 max(relative change in state) = 0.28336 n_iter = 12 J = 47.078 max(relative change in state) = 0.82918E-01 n_iter = 13 J = 47.067 max(relative change in state) = 0.21309E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 497 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 498 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 498 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 82.011 max(relative change in state) = - n_iter = 2 J = 69.396 max(relative change in state) = 0.71046 n_iter = 3 J = 58.402 max(relative change in state) = 1.7295 n_iter = 4 J = 61.462 max(relative change in state) = 1.3643 n_iter = 5 J = 57.935 max(relative change in state) = 1.0526 n_iter = 6 J = 57.825 max(relative change in state) = 0.58415E-01 n_iter = 7 J = 57.377 max(relative change in state) = 0.27230 n_iter = 8 J = 57.301 max(relative change in state) = 0.32001 n_iter = 9 J = 57.227 max(relative change in state) = 0.14341 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 498 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 499 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 499 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.019 max(relative change in state) = - n_iter = 2 J = 42.701 max(relative change in state) = 0.45290 n_iter = 3 J = 35.578 max(relative change in state) = 1.3307 n_iter = 4 J = 33.797 max(relative change in state) = 0.49316 n_iter = 5 J = 34.945 max(relative change in state) = 0.81192 n_iter = 6 J = 33.362 max(relative change in state) = 0.48394 n_iter = 7 J = 33.307 max(relative change in state) = 0.22475E-01 n_iter = 8 J = 33.206 max(relative change in state) = 0.16140 n_iter = 9 J = 33.173 max(relative change in state) = 0.69140E-01 n_iter = 10 J = 33.090 max(relative change in state) = 0.30120E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 499 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 500 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 500 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 26.835 max(relative change in state) = - n_iter = 2 J = 22.104 max(relative change in state) = 0.33859 n_iter = 3 J = 14.580 max(relative change in state) = 1.0418 n_iter = 4 J = 14.446 max(relative change in state) = 0.11654 n_iter = 5 J = 14.591 max(relative change in state) = 0.27317 n_iter = 6 J = 14.412 max(relative change in state) = 0.18627 n_iter = 7 J = 14.406 max(relative change in state) = 0.65919E-02 n_iter = 8 J = 14.379 max(relative change in state) = 0.54811E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 500 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 501 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 501 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 135.56 max(relative change in state) = - n_iter = 2 J = 112.32 max(relative change in state) = 0.85559 n_iter = 3 J = 81.786 max(relative change in state) = 1.9544 n_iter = 4 J = 85.334 max(relative change in state) = 1.2634 n_iter = 5 J = 80.798 max(relative change in state) = 0.92901 n_iter = 6 J = 80.640 max(relative change in state) = 0.79953E-01 n_iter = 7 J = 80.259 max(relative change in state) = 0.27168 n_iter = 8 J = 80.077 max(relative change in state) = 0.99642E-01 n_iter = 9 J = 80.022 max(relative change in state) = 0.20267 n_iter = 10 J = 79.970 max(relative change in state) = 0.23655E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 501 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 502 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 502 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 502 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 503 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 503 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 70.689 max(relative change in state) = - n_iter = 2 J = 59.276 max(relative change in state) = 0.81031 n_iter = 3 J = 51.620 max(relative change in state) = 1.2044 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 503 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 504 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 504 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 64.466 max(relative change in state) = - n_iter = 2 J = 53.101 max(relative change in state) = 0.49307 n_iter = 3 J = 35.071 max(relative change in state) = 1.3956 n_iter = 4 J = 34.446 max(relative change in state) = 0.17878 n_iter = 5 J = 34.116 max(relative change in state) = 0.19133 n_iter = 6 J = 34.014 max(relative change in state) = 0.11771 n_iter = 7 J = 33.983 max(relative change in state) = 0.27966E-01 n_iter = 8 J = 34.062 max(relative change in state) = 0.21795 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 504 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 505 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 505 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 7 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 559.30 max(relative change in state) = - n_iter = 2 J = 470.11 max(relative change in state) = 13.882 n_iter = 3 J = 291.50 max(relative change in state) = 6.7390 n_iter = 4 J = 288.75 max(relative change in state) = 0.51468 n_iter = 5 J = 289.15 max(relative change in state) = 0.40260 n_iter = 6 J = 287.76 max(relative change in state) = 0.20534 n_iter = 7 J = 287.68 max(relative change in state) = 0.26685E-01 n_iter = 8 J = 287.50 max(relative change in state) = 0.88019E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 505 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 506 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 506 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 63.017 max(relative change in state) = - n_iter = 2 J = 52.374 max(relative change in state) = 0.58643 n_iter = 3 J = 37.595 max(relative change in state) = 1.9270 n_iter = 4 J = 40.575 max(relative change in state) = 1.3899 n_iter = 5 J = 37.324 max(relative change in state) = 1.0941 n_iter = 6 J = 37.254 max(relative change in state) = 0.50423E-01 n_iter = 7 J = 37.040 max(relative change in state) = 0.15944 n_iter = 8 J = 37.012 max(relative change in state) = 0.16691 n_iter = 9 J = 36.966 max(relative change in state) = 0.66995E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 506 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 507 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 507 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 55.156 max(relative change in state) = - n_iter = 2 J = 46.151 max(relative change in state) = 0.39691 n_iter = 3 J = 37.431 max(relative change in state) = 0.84242 n_iter = 4 J = 37.241 max(relative change in state) = 0.45915 n_iter = 5 J = 37.018 max(relative change in state) = 0.45518 n_iter = 6 J = 36.929 max(relative change in state) = 0.65199E-01 n_iter = 7 J = 36.914 max(relative change in state) = 0.13029E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 507 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 508 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 508 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 188.19 max(relative change in state) = - n_iter = 2 J = 102.48 max(relative change in state) = 2.9576 n_iter = 3 J = 85.629 max(relative change in state) = 1.3116 n_iter = 4 J = 83.701 max(relative change in state) = 0.37677 n_iter = 5 J = 85.646 max(relative change in state) = 0.63576 n_iter = 6 J = 83.158 max(relative change in state) = 0.41783 n_iter = 7 J = 83.088 max(relative change in state) = 0.19051E-01 n_iter = 8 J = 82.729 max(relative change in state) = 0.21034 n_iter = 9 J = 82.879 max(relative change in state) = 0.80061E-01 n_iter = 10 J = 82.702 max(relative change in state) = 0.69181E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 508 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 509 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 509 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 106.92 max(relative change in state) = - n_iter = 2 J = 87.885 max(relative change in state) = 0.53240 n_iter = 3 J = 52.620 max(relative change in state) = 2.8358 n_iter = 4 J = 51.692 max(relative change in state) = 0.47385 n_iter = 5 J = 51.301 max(relative change in state) = 0.28623 n_iter = 6 J = 51.148 max(relative change in state) = 0.11130 n_iter = 7 J = 51.105 max(relative change in state) = 0.44710E-01 n_iter = 8 J = 51.038 max(relative change in state) = 0.15516 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 509 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 510 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 510 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.68 max(relative change in state) = - n_iter = 2 J = 92.322 max(relative change in state) = 1.1833 n_iter = 3 J = 83.063 max(relative change in state) = 1.1745 n_iter = 4 J = 84.884 max(relative change in state) = 0.46025 n_iter = 5 J = 82.619 max(relative change in state) = 0.36933 n_iter = 6 J = 82.531 max(relative change in state) = 0.26067E-01 n_iter = 7 J = 82.322 max(relative change in state) = 0.10274 n_iter = 8 J = 82.242 max(relative change in state) = 0.84631E-01 n_iter = 9 J = 82.216 max(relative change in state) = 0.33993E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 510 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 511 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 511 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 44.170 max(relative change in state) = - n_iter = 2 J = 36.690 max(relative change in state) = 0.48464 n_iter = 3 J = 27.507 max(relative change in state) = 1.2860 n_iter = 4 J = 27.148 max(relative change in state) = 0.22713 n_iter = 5 J = 27.219 max(relative change in state) = 0.32288 n_iter = 6 J = 26.989 max(relative change in state) = 0.13664 n_iter = 7 J = 26.953 max(relative change in state) = 0.21587E-01 n_iter = 8 J = 26.974 max(relative change in state) = 0.15779 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 511 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 512 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 512 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 121.06 max(relative change in state) = - n_iter = 2 J = 99.470 max(relative change in state) = 0.60089 n_iter = 3 J = 57.377 max(relative change in state) = 1.9844 n_iter = 4 J = 57.783 max(relative change in state) = 1.1519 n_iter = 5 J = 55.723 max(relative change in state) = 0.69857 n_iter = 6 J = 55.589 max(relative change in state) = 0.21591 n_iter = 7 J = 55.506 max(relative change in state) = 0.14713 n_iter = 8 J = 55.348 max(relative change in state) = 0.11097 n_iter = 9 J = 55.059 max(relative change in state) = 0.27967 n_iter = 10 J = 55.031 max(relative change in state) = 0.29629 n_iter = 11 J = 54.987 max(relative change in state) = 0.10964 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 512 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 513 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 513 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 46.646 max(relative change in state) = - n_iter = 2 J = 38.343 max(relative change in state) = 0.40455 n_iter = 3 J = 23.237 max(relative change in state) = 1.4846 n_iter = 4 J = 22.820 max(relative change in state) = 0.21014 n_iter = 5 J = 23.442 max(relative change in state) = 0.22896 n_iter = 6 J = 22.739 max(relative change in state) = 0.18204 n_iter = 7 J = 22.728 max(relative change in state) = 0.93521E-02 n_iter = 8 J = 22.689 max(relative change in state) = 0.11634 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 513 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 514 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 514 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 151.13 max(relative change in state) = - n_iter = 2 J = 119.62 max(relative change in state) = 1.4340 n_iter = 3 J = 109.62 max(relative change in state) = 0.99768 n_iter = 4 J = 112.36 max(relative change in state) = 1.4786 n_iter = 5 J = 107.90 max(relative change in state) = 0.93081 n_iter = 6 J = 107.42 max(relative change in state) = 0.30622 n_iter = 7 J = 107.40 max(relative change in state) = 0.33595 n_iter = 8 J = 107.31 max(relative change in state) = 0.14332 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 514 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 515 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 515 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 665.66 max(relative change in state) = - n_iter = 2 J = 778.19 max(relative change in state) = 15.135 n_iter = 3 J = 409.77 max(relative change in state) = 8.5857 n_iter = 4 J = 371.11 max(relative change in state) = 2.4833 n_iter = 5 J = 410.30 max(relative change in state) = 2.9837 n_iter = 6 J = 362.62 max(relative change in state) = 2.1443 n_iter = 7 J = 360.17 max(relative change in state) = 0.18770 n_iter = 8 J = 347.45 max(relative change in state) = 1.8096 n_iter = 9 J = 355.08 max(relative change in state) = 0.77809 n_iter = 10 J = 345.27 max(relative change in state) = 0.51549 n_iter = 11 J = 344.63 max(relative change in state) = 0.68136E-01 n_iter = 12 J = 341.03 max(relative change in state) = 0.87065 n_iter = 13 J = 344.11 max(relative change in state) = 0.57974 n_iter = 14 J = 339.92 max(relative change in state) = 0.32406 n_iter = 15 J = 339.64 max(relative change in state) = 0.46869E-01 n_iter = 16 J = 338.60 max(relative change in state) = 0.36248 n_iter = 17 J = 338.41 max(relative change in state) = 0.28936 n_iter = 18 J = 338.17 max(relative change in state) = 0.13292 n_iter = 19 J = 338.09 max(relative change in state) = 0.67669E-01 n_iter = 20 J = 338.01 max(relative change in state) = 0.15880 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 20. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 515 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 516 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 516 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 89.848 max(relative change in state) = - n_iter = 2 J = 75.315 max(relative change in state) = 0.87175 n_iter = 3 J = 61.526 max(relative change in state) = 1.3891 n_iter = 4 J = 60.101 max(relative change in state) = 0.61478 n_iter = 5 J = 58.805 max(relative change in state) = 0.38342 n_iter = 6 J = 58.739 max(relative change in state) = 0.10470 n_iter = 7 J = 58.667 max(relative change in state) = 0.12639 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 516 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 517 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 517 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 304.11 max(relative change in state) = - n_iter = 2 J = 148.65 max(relative change in state) = 6.3290 n_iter = 3 J = 131.88 max(relative change in state) = 1.5303 n_iter = 4 J = 129.28 max(relative change in state) = 0.47144 n_iter = 5 J = 133.42 max(relative change in state) = 1.3235 n_iter = 6 J = 128.17 max(relative change in state) = 0.96344 n_iter = 7 J = 127.95 max(relative change in state) = 0.82344E-01 n_iter = 8 J = 127.66 max(relative change in state) = 0.35189 n_iter = 9 J = 127.32 max(relative change in state) = 0.19188 n_iter = 10 J = 127.16 max(relative change in state) = 0.20627 n_iter = 11 J = 126.87 max(relative change in state) = 0.20921 n_iter = 12 J = 126.58 max(relative change in state) = 0.26054 n_iter = 13 J = 126.42 max(relative change in state) = 0.25240 n_iter = 14 J = 126.29 max(relative change in state) = 0.17165 n_iter = 15 J = 126.14 max(relative change in state) = 0.32559 n_iter = 16 J = 126.28 max(relative change in state) = 0.30612 n_iter = 17 J = 126.07 max(relative change in state) = 0.17930 n_iter = 18 J = 126.06 max(relative change in state) = 0.11087E-01 n_iter = 19 J = 125.97 max(relative change in state) = 0.14240 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 19. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 517 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 518 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 518 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 218.09 max(relative change in state) = - n_iter = 2 J = 124.71 max(relative change in state) = 3.6760 n_iter = 3 J = 110.15 max(relative change in state) = 1.1852 n_iter = 4 J = 111.41 max(relative change in state) = 1.7170 n_iter = 5 J = 106.79 max(relative change in state) = 1.0607 n_iter = 6 J = 106.47 max(relative change in state) = 0.33845 n_iter = 7 J = 106.23 max(relative change in state) = 0.22173 n_iter = 8 J = 105.66 max(relative change in state) = 0.20523 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 518 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 519 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 519 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 121.75 max(relative change in state) = - n_iter = 2 J = 100.00 max(relative change in state) = 0.60591 n_iter = 3 J = 60.730 max(relative change in state) = 2.4835 n_iter = 4 J = 58.815 max(relative change in state) = 0.75277 n_iter = 5 J = 57.472 max(relative change in state) = 0.47781 n_iter = 6 J = 57.169 max(relative change in state) = 0.15598 n_iter = 7 J = 57.487 max(relative change in state) = 0.38315 n_iter = 8 J = 57.202 max(relative change in state) = 0.65581E-01 n_iter = 9 J = 56.928 max(relative change in state) = 0.10622 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 519 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 520 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 520 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 50.916 max(relative change in state) = - n_iter = 2 J = 42.302 max(relative change in state) = 0.55598 n_iter = 3 J = 31.044 max(relative change in state) = 1.7216 n_iter = 4 J = 36.761 max(relative change in state) = 1.9734 n_iter = 5 J = 30.805 max(relative change in state) = 1.6804 n_iter = 6 J = 30.745 max(relative change in state) = 0.25022E-01 n_iter = 7 J = 30.550 max(relative change in state) = 0.19334 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 520 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 521 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 521 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 91.522 max(relative change in state) = - n_iter = 2 J = 75.982 max(relative change in state) = 0.55611 n_iter = 3 J = 52.099 max(relative change in state) = 1.9021 n_iter = 4 J = 62.591 max(relative change in state) = 2.7247 n_iter = 5 J = 50.425 max(relative change in state) = 2.0872 n_iter = 6 J = 49.967 max(relative change in state) = 0.11260 n_iter = 7 J = 48.870 max(relative change in state) = 0.46714 n_iter = 8 J = 48.545 max(relative change in state) = 0.57299 n_iter = 9 J = 48.249 max(relative change in state) = 0.16690 n_iter = 10 J = 48.063 max(relative change in state) = 0.28653 n_iter = 11 J = 47.970 max(relative change in state) = 0.54076E-01 n_iter = 12 J = 47.852 max(relative change in state) = 0.15705 n_iter = 13 J = 47.745 max(relative change in state) = 0.62905E-01 n_iter = 14 J = 47.691 max(relative change in state) = 0.11201 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 521 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 522 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 522 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.282 max(relative change in state) = - n_iter = 2 J = 66.233 max(relative change in state) = 0.57633 n_iter = 3 J = 42.620 max(relative change in state) = 1.9914 n_iter = 4 J = 42.493 max(relative change in state) = 1.0007 n_iter = 5 J = 40.894 max(relative change in state) = 0.56659 n_iter = 6 J = 40.774 max(relative change in state) = 0.21596 n_iter = 7 J = 40.713 max(relative change in state) = 0.13258 n_iter = 8 J = 40.628 max(relative change in state) = 0.63718E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 522 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 523 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 523 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 43.210 max(relative change in state) = - n_iter = 2 J = 35.752 max(relative change in state) = 0.37887 n_iter = 3 J = 23.534 max(relative change in state) = 1.4290 n_iter = 4 J = 22.910 max(relative change in state) = 0.24074 n_iter = 5 J = 22.976 max(relative change in state) = 0.44901 n_iter = 6 J = 22.528 max(relative change in state) = 0.19451 n_iter = 7 J = 22.439 max(relative change in state) = 0.50603E-01 n_iter = 8 J = 22.398 max(relative change in state) = 0.87566E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 523 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 524 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 524 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 96.559 max(relative change in state) = - n_iter = 2 J = 79.922 max(relative change in state) = 0.66560 n_iter = 3 J = 56.704 max(relative change in state) = 1.6169 n_iter = 4 J = 54.750 max(relative change in state) = 0.27991 n_iter = 5 J = 57.153 max(relative change in state) = 1.0656 n_iter = 6 J = 54.572 max(relative change in state) = 0.89521 n_iter = 7 J = 54.523 max(relative change in state) = 0.32216E-01 n_iter = 8 J = 54.411 max(relative change in state) = 0.13753 n_iter = 9 J = 54.419 max(relative change in state) = 0.11250 n_iter = 10 J = 54.363 max(relative change in state) = 0.24656E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 524 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 525 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 525 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 53.576 max(relative change in state) = - n_iter = 2 J = 44.669 max(relative change in state) = 0.35003 n_iter = 3 J = 28.569 max(relative change in state) = 1.4405 n_iter = 4 J = 27.731 max(relative change in state) = 0.39367 n_iter = 5 J = 28.312 max(relative change in state) = 0.45559 n_iter = 6 J = 27.396 max(relative change in state) = 0.28009 n_iter = 7 J = 27.314 max(relative change in state) = 0.18556E-01 n_iter = 8 J = 27.179 max(relative change in state) = 0.18104 n_iter = 9 J = 27.266 max(relative change in state) = 0.14819 n_iter = 10 J = 27.043 max(relative change in state) = 0.89378E-01 n_iter = 11 J = 27.004 max(relative change in state) = 0.30248E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 525 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 526 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 526 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 100.49 max(relative change in state) = - n_iter = 2 J = 83.995 max(relative change in state) = 0.66496 n_iter = 3 J = 65.791 max(relative change in state) = 1.3640 n_iter = 4 J = 64.756 max(relative change in state) = 0.76878 n_iter = 5 J = 63.700 max(relative change in state) = 0.37033 n_iter = 6 J = 63.488 max(relative change in state) = 0.23096 n_iter = 7 J = 63.317 max(relative change in state) = 0.14154 n_iter = 8 J = 63.155 max(relative change in state) = 0.75149E-01 n_iter = 9 J = 63.161 max(relative change in state) = 0.41576 n_iter = 10 J = 63.029 max(relative change in state) = 0.28740 n_iter = 11 J = 62.968 max(relative change in state) = 0.25848E-01 n_iter = 12 J = 62.947 max(relative change in state) = 0.16567E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 526 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 527 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 527 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 66.485 max(relative change in state) = - n_iter = 2 J = 55.316 max(relative change in state) = 0.48084 n_iter = 3 J = 36.304 max(relative change in state) = 1.4846 n_iter = 4 J = 34.507 max(relative change in state) = 0.26620 n_iter = 5 J = 34.976 max(relative change in state) = 0.56223 n_iter = 6 J = 33.579 max(relative change in state) = 0.30006 n_iter = 7 J = 33.498 max(relative change in state) = 0.41887E-01 n_iter = 8 J = 33.351 max(relative change in state) = 0.65575E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 527 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 528 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 528 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 153.37 max(relative change in state) = - n_iter = 2 J = 105.56 max(relative change in state) = 1.6727 n_iter = 3 J = 72.397 max(relative change in state) = 3.1775 n_iter = 4 J = 77.608 max(relative change in state) = 1.7050 n_iter = 5 J = 71.707 max(relative change in state) = 1.3288 n_iter = 6 J = 71.554 max(relative change in state) = 0.57536E-01 n_iter = 7 J = 71.000 max(relative change in state) = 0.25165 n_iter = 8 J = 70.892 max(relative change in state) = 0.30408 n_iter = 9 J = 70.814 max(relative change in state) = 0.16542 n_iter = 10 J = 70.786 max(relative change in state) = 0.73150E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 528 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 529 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 529 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 223.60 max(relative change in state) = - n_iter = 2 J = 122.01 max(relative change in state) = 3.4690 n_iter = 3 J = 103.26 max(relative change in state) = 1.4219 n_iter = 4 J = 101.10 max(relative change in state) = 0.79338 n_iter = 5 J = 100.73 max(relative change in state) = 0.62294 n_iter = 6 J = 100.09 max(relative change in state) = 0.16985 n_iter = 7 J = 100.04 max(relative change in state) = 0.35444E-01 n_iter = 8 J = 99.891 max(relative change in state) = 0.16170 n_iter = 9 J = 99.935 max(relative change in state) = 0.19083 n_iter = 10 J = 99.819 max(relative change in state) = 0.94173E-01 n_iter = 11 J = 99.799 max(relative change in state) = 0.11243E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 529 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 530 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 530 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 202.66 max(relative change in state) = - n_iter = 2 J = 102.93 max(relative change in state) = 3.6123 n_iter = 3 J = 88.137 max(relative change in state) = 1.2599 n_iter = 4 J = 86.594 max(relative change in state) = 0.90582 n_iter = 5 J = 85.327 max(relative change in state) = 0.64615 n_iter = 6 J = 85.120 max(relative change in state) = 0.54331E-01 n_iter = 7 J = 85.037 max(relative change in state) = 0.85667E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 530 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 531 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 531 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 38.768 max(relative change in state) = - n_iter = 2 J = 31.765 max(relative change in state) = 0.48143 n_iter = 3 J = 17.275 max(relative change in state) = 2.1935 n_iter = 4 J = 16.902 max(relative change in state) = 0.12955 n_iter = 5 J = 17.538 max(relative change in state) = 0.64913 n_iter = 6 J = 16.805 max(relative change in state) = 0.48590 n_iter = 7 J = 16.791 max(relative change in state) = 0.62518E-01 n_iter = 8 J = 16.777 max(relative change in state) = 0.68577E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 531 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 532 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 532 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 532 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 533 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 533 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 269.88 max(relative change in state) = - n_iter = 2 J = 156.27 max(relative change in state) = 4.5382 n_iter = 3 J = 140.12 max(relative change in state) = 1.6070 n_iter = 4 J = 138.10 max(relative change in state) = 0.28767 n_iter = 5 J = 138.61 max(relative change in state) = 1.1478 n_iter = 6 J = 136.75 max(relative change in state) = 0.68959 n_iter = 7 J = 136.61 max(relative change in state) = 0.27333 n_iter = 8 J = 136.55 max(relative change in state) = 0.41912E-01 n_iter = 9 J = 136.38 max(relative change in state) = 0.10160 n_iter = 10 J = 136.40 max(relative change in state) = 0.35415 n_iter = 11 J = 136.30 max(relative change in state) = 0.20190 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 533 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 534 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 534 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 140.88 max(relative change in state) = - n_iter = 2 J = 115.50 max(relative change in state) = 0.87224 n_iter = 3 J = 101.33 max(relative change in state) = 1.1221 n_iter = 4 J = 110.94 max(relative change in state) = 2.4847 n_iter = 5 J = 99.914 max(relative change in state) = 1.9376 n_iter = 6 J = 99.512 max(relative change in state) = 0.10613 n_iter = 7 J = 98.530 max(relative change in state) = 0.62838 n_iter = 8 J = 97.936 max(relative change in state) = 0.60960 n_iter = 9 J = 97.568 max(relative change in state) = 0.18796 n_iter = 10 J = 97.850 max(relative change in state) = 0.24217 n_iter = 11 J = 97.434 max(relative change in state) = 0.18831 n_iter = 12 J = 97.333 max(relative change in state) = 0.60725E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 534 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 535 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 535 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 64.483 max(relative change in state) = - n_iter = 2 J = 53.485 max(relative change in state) = 0.47992 n_iter = 3 J = 44.663 max(relative change in state) = 0.98570 n_iter = 4 J = 45.615 max(relative change in state) = 1.2264 n_iter = 5 J = 43.969 max(relative change in state) = 0.97869 n_iter = 6 J = 43.896 max(relative change in state) = 0.12306 n_iter = 7 J = 43.858 max(relative change in state) = 0.64327E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 535 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 536 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 536 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 90.496 max(relative change in state) = - n_iter = 2 J = 75.135 max(relative change in state) = 0.58202 n_iter = 3 J = 51.784 max(relative change in state) = 2.2918 n_iter = 4 J = 62.032 max(relative change in state) = 2.4895 n_iter = 5 J = 51.214 max(relative change in state) = 2.0577 n_iter = 6 J = 51.061 max(relative change in state) = 0.34886E-01 n_iter = 7 J = 50.700 max(relative change in state) = 0.30178 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 536 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 537 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 537 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 57.066 max(relative change in state) = - n_iter = 2 J = 47.062 max(relative change in state) = 0.56571 n_iter = 3 J = 31.506 max(relative change in state) = 1.7574 n_iter = 4 J = 31.442 max(relative change in state) = 0.57693 n_iter = 5 J = 30.866 max(relative change in state) = 0.28462 n_iter = 6 J = 30.781 max(relative change in state) = 0.17492 n_iter = 7 J = 30.743 max(relative change in state) = 0.85613E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 537 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 538 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 538 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 117.27 max(relative change in state) = - n_iter = 2 J = 97.069 max(relative change in state) = 0.70325 n_iter = 3 J = 69.961 max(relative change in state) = 1.5961 n_iter = 4 J = 68.920 max(relative change in state) = 0.55764 n_iter = 5 J = 68.112 max(relative change in state) = 0.24724 n_iter = 6 J = 68.029 max(relative change in state) = 0.15024 n_iter = 7 J = 67.954 max(relative change in state) = 0.13770 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 538 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 539 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 539 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 54.284 max(relative change in state) = - n_iter = 2 J = 44.762 max(relative change in state) = 0.43820 n_iter = 3 J = 29.213 max(relative change in state) = 1.3272 n_iter = 4 J = 28.514 max(relative change in state) = 0.22210 n_iter = 5 J = 29.074 max(relative change in state) = 0.47278 n_iter = 6 J = 28.332 max(relative change in state) = 0.27950 n_iter = 7 J = 28.319 max(relative change in state) = 0.60209E-02 n_iter = 8 J = 28.235 max(relative change in state) = 0.84238E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 539 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 540 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 540 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 60.726 max(relative change in state) = - n_iter = 2 J = 50.559 max(relative change in state) = 0.63548 n_iter = 3 J = 39.079 max(relative change in state) = 1.1637 n_iter = 4 J = 37.431 max(relative change in state) = 0.31998 n_iter = 5 J = 42.948 max(relative change in state) = 0.52544 n_iter = 6 J = 37.259 max(relative change in state) = 0.33107 n_iter = 7 J = 37.061 max(relative change in state) = 0.12486 n_iter = 8 J = 36.967 max(relative change in state) = 0.11373 n_iter = 9 J = 36.932 max(relative change in state) = 0.18233E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 540 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 541 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 541 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 312.79 max(relative change in state) = - n_iter = 2 J = 598.15 max(relative change in state) = 10.515 n_iter = 3 J = 246.22 max(relative change in state) = 7.6343 n_iter = 4 J = 242.84 max(relative change in state) = 0.51608 n_iter = 5 J = 240.17 max(relative change in state) = 0.66612 n_iter = 6 J = 239.61 max(relative change in state) = 0.18945 n_iter = 7 J = 239.10 max(relative change in state) = 0.80961E-01 n_iter = 8 J = 239.03 max(relative change in state) = 0.30765E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 541 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 542 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 542 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.509 max(relative change in state) = - n_iter = 2 J = 67.429 max(relative change in state) = 0.61137 n_iter = 3 J = 50.651 max(relative change in state) = 2.0242 n_iter = 4 J = 49.741 max(relative change in state) = 0.39459 n_iter = 5 J = 49.456 max(relative change in state) = 0.28597 n_iter = 6 J = 49.134 max(relative change in state) = 0.14297 n_iter = 7 J = 49.042 max(relative change in state) = 0.40048E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 542 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 543 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 543 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.52 max(relative change in state) = - n_iter = 2 J = 89.004 max(relative change in state) = 0.71610 n_iter = 3 J = 50.131 max(relative change in state) = 2.9359 n_iter = 4 J = 50.034 max(relative change in state) = 0.48214 n_iter = 5 J = 49.190 max(relative change in state) = 0.21470 n_iter = 6 J = 49.145 max(relative change in state) = 0.20652E-01 n_iter = 7 J = 48.990 max(relative change in state) = 0.20756 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 543 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 544 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 544 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 196.50 max(relative change in state) = - n_iter = 2 J = 110.21 max(relative change in state) = 2.7525 n_iter = 3 J = 95.905 max(relative change in state) = 1.6201 n_iter = 4 J = 95.196 max(relative change in state) = 0.72709 n_iter = 5 J = 93.208 max(relative change in state) = 0.40748 n_iter = 6 J = 93.103 max(relative change in state) = 0.16337 n_iter = 7 J = 93.030 max(relative change in state) = 0.14669 n_iter = 8 J = 92.931 max(relative change in state) = 0.79699E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 544 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 545 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 545 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.811 max(relative change in state) = - n_iter = 2 J = 43.201 max(relative change in state) = 0.53838 n_iter = 3 J = 31.477 max(relative change in state) = 1.9107 n_iter = 4 J = 34.277 max(relative change in state) = 1.4011 n_iter = 5 J = 31.109 max(relative change in state) = 1.1033 n_iter = 6 J = 31.001 max(relative change in state) = 0.55196E-01 n_iter = 7 J = 30.497 max(relative change in state) = 0.27844 n_iter = 8 J = 30.383 max(relative change in state) = 0.47220 n_iter = 9 J = 30.226 max(relative change in state) = 0.23700 n_iter = 10 J = 30.173 max(relative change in state) = 0.10268 n_iter = 11 J = 30.104 max(relative change in state) = 0.76983E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 545 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 546 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 546 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 410.08 max(relative change in state) = - n_iter = 2 J = 428.65 max(relative change in state) = 10.747 n_iter = 3 J = 249.04 max(relative change in state) = 5.2840 n_iter = 4 J = 242.47 max(relative change in state) = 0.47694 n_iter = 5 J = 242.25 max(relative change in state) = 1.6090 n_iter = 6 J = 237.03 max(relative change in state) = 1.0285 n_iter = 7 J = 236.56 max(relative change in state) = 0.42012 n_iter = 8 J = 236.51 max(relative change in state) = 0.73497E-01 n_iter = 9 J = 236.41 max(relative change in state) = 0.95637E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 546 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 547 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 547 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 547 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 548 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 548 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 90.652 max(relative change in state) = - n_iter = 2 J = 75.902 max(relative change in state) = 0.80546 n_iter = 3 J = 59.620 max(relative change in state) = 1.2506 n_iter = 4 J = 57.867 max(relative change in state) = 0.62996 n_iter = 5 J = 56.947 max(relative change in state) = 0.58380 n_iter = 6 J = 56.610 max(relative change in state) = 0.90854E-01 n_iter = 7 J = 56.555 max(relative change in state) = 0.39996E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 548 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 549 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 549 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 115.50 max(relative change in state) = - n_iter = 2 J = 95.055 max(relative change in state) = 0.60694 n_iter = 3 J = 59.295 max(relative change in state) = 2.4014 n_iter = 4 J = 58.021 max(relative change in state) = 0.61419 n_iter = 5 J = 56.785 max(relative change in state) = 0.22074 n_iter = 6 J = 56.505 max(relative change in state) = 0.25775 n_iter = 7 J = 56.337 max(relative change in state) = 0.11562 n_iter = 8 J = 56.200 max(relative change in state) = 0.11754 n_iter = 9 J = 56.142 max(relative change in state) = 0.18039 n_iter = 10 J = 56.082 max(relative change in state) = 0.60507E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 549 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 550 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 550 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 107.42 max(relative change in state) = - n_iter = 2 J = 89.420 max(relative change in state) = 0.93027 n_iter = 3 J = 69.216 max(relative change in state) = 1.8028 n_iter = 4 J = 68.455 max(relative change in state) = 0.54334 n_iter = 5 J = 67.564 max(relative change in state) = 0.30117 n_iter = 6 J = 67.460 max(relative change in state) = 0.13137 n_iter = 7 J = 67.350 max(relative change in state) = 0.20729 n_iter = 8 J = 67.183 max(relative change in state) = 0.71320E-01 n_iter = 9 J = 67.255 max(relative change in state) = 0.17723 n_iter = 10 J = 67.083 max(relative change in state) = 0.55627E-01 n_iter = 11 J = 67.064 max(relative change in state) = 0.41215E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 550 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 551 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 551 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 157.17 max(relative change in state) = - n_iter = 2 J = 112.04 max(relative change in state) = 1.7798 n_iter = 3 J = 97.520 max(relative change in state) = 1.1862 n_iter = 4 J = 110.76 max(relative change in state) = 2.4786 n_iter = 5 J = 96.546 max(relative change in state) = 1.9956 n_iter = 6 J = 96.276 max(relative change in state) = 0.30216E-01 n_iter = 7 J = 95.212 max(relative change in state) = 0.29507 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 551 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 552 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 552 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 123.49 max(relative change in state) = - n_iter = 2 J = 102.98 max(relative change in state) = 0.85543 n_iter = 3 J = 80.995 max(relative change in state) = 2.1641 n_iter = 4 J = 80.446 max(relative change in state) = 0.65271 n_iter = 5 J = 79.554 max(relative change in state) = 0.34045 n_iter = 6 J = 79.441 max(relative change in state) = 0.17633 n_iter = 7 J = 79.384 max(relative change in state) = 0.16335 n_iter = 8 J = 79.328 max(relative change in state) = 0.34862E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 552 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 553 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 553 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 145.07 max(relative change in state) = - n_iter = 2 J = 111.36 max(relative change in state) = 0.80473 n_iter = 3 J = 77.031 max(relative change in state) = 1.9363 n_iter = 4 J = 78.467 max(relative change in state) = 1.1536 n_iter = 5 J = 75.380 max(relative change in state) = 0.81658 n_iter = 6 J = 74.913 max(relative change in state) = 0.22129 n_iter = 7 J = 74.560 max(relative change in state) = 0.37242 n_iter = 8 J = 73.834 max(relative change in state) = 0.40508 n_iter = 9 J = 73.641 max(relative change in state) = 0.32443 n_iter = 10 J = 72.972 max(relative change in state) = 0.18916 n_iter = 11 J = 72.834 max(relative change in state) = 0.29709 n_iter = 12 J = 72.201 max(relative change in state) = 0.26614 n_iter = 13 J = 71.483 max(relative change in state) = 0.37868 n_iter = 14 J = 71.351 max(relative change in state) = 0.41924 n_iter = 15 J = 71.190 max(relative change in state) = 0.78693E-01 n_iter = 16 J = 71.112 max(relative change in state) = 0.17474 n_iter = 17 J = 71.084 max(relative change in state) = 0.11052 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 17. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 553 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 554 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 554 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 49.009 max(relative change in state) = - n_iter = 2 J = 40.650 max(relative change in state) = 0.50666 n_iter = 3 J = 29.347 max(relative change in state) = 1.2167 n_iter = 4 J = 28.824 max(relative change in state) = 0.41081 n_iter = 5 J = 28.806 max(relative change in state) = 0.28996 n_iter = 6 J = 28.582 max(relative change in state) = 0.10351 n_iter = 7 J = 28.549 max(relative change in state) = 0.21536E-01 n_iter = 8 J = 28.552 max(relative change in state) = 0.13003 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 554 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 555 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 555 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 122.41 max(relative change in state) = - n_iter = 2 J = 101.00 max(relative change in state) = 0.77322 n_iter = 3 J = 62.070 max(relative change in state) = 3.0976 n_iter = 4 J = 61.590 max(relative change in state) = 0.29787 n_iter = 5 J = 61.331 max(relative change in state) = 0.25641 n_iter = 6 J = 61.204 max(relative change in state) = 0.60825E-01 n_iter = 7 J = 61.149 max(relative change in state) = 0.36058E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 555 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 556 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 556 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 126.57 max(relative change in state) = - n_iter = 2 J = 103.98 max(relative change in state) = 0.68983 n_iter = 3 J = 59.157 max(relative change in state) = 2.8225 n_iter = 4 J = 57.293 max(relative change in state) = 0.31077 n_iter = 5 J = 63.567 max(relative change in state) = 0.69761 n_iter = 6 J = 56.811 max(relative change in state) = 0.59880 n_iter = 7 J = 56.713 max(relative change in state) = 0.24414E-01 n_iter = 8 J = 56.538 max(relative change in state) = 0.19860 n_iter = 9 J = 56.489 max(relative change in state) = 0.38266E-01 n_iter = 10 J = 56.434 max(relative change in state) = 0.48869E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 556 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 557 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 557 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 246.38 max(relative change in state) = - n_iter = 2 J = 124.86 max(relative change in state) = 4.7282 n_iter = 3 J = 105.77 max(relative change in state) = 1.5158 n_iter = 4 J = 102.49 max(relative change in state) = 0.89634 n_iter = 5 J = 104.36 max(relative change in state) = 0.87539 n_iter = 6 J = 101.59 max(relative change in state) = 0.49901 n_iter = 7 J = 101.47 max(relative change in state) = 0.28708E-01 n_iter = 8 J = 101.31 max(relative change in state) = 0.34151 n_iter = 9 J = 101.18 max(relative change in state) = 0.36817 n_iter = 10 J = 101.03 max(relative change in state) = 0.12084 n_iter = 11 J = 100.97 max(relative change in state) = 0.22041 n_iter = 12 J = 100.91 max(relative change in state) = 0.54520E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 557 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 558 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 558 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 105.48 max(relative change in state) = - n_iter = 2 J = 89.081 max(relative change in state) = 0.78422 n_iter = 3 J = 71.881 max(relative change in state) = 1.8370 n_iter = 4 J = 75.808 max(relative change in state) = 1.6364 n_iter = 5 J = 71.241 max(relative change in state) = 1.2788 n_iter = 6 J = 71.005 max(relative change in state) = 0.78462E-01 n_iter = 7 J = 70.561 max(relative change in state) = 0.45071 n_iter = 8 J = 70.318 max(relative change in state) = 0.35318 n_iter = 9 J = 70.260 max(relative change in state) = 0.47228E-01 n_iter = 10 J = 70.210 max(relative change in state) = 0.75866E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 558 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 559 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 559 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 97.682 max(relative change in state) = - n_iter = 2 J = 81.619 max(relative change in state) = 0.57455 n_iter = 3 J = 60.076 max(relative change in state) = 1.5611 n_iter = 4 J = 60.555 max(relative change in state) = 1.2221 n_iter = 5 J = 59.069 max(relative change in state) = 0.93466 n_iter = 6 J = 58.957 max(relative change in state) = 0.16066 n_iter = 7 J = 58.921 max(relative change in state) = 0.65153E-01 n_iter = 8 J = 58.818 max(relative change in state) = 0.83922E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 559 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 560 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 560 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 59.762 max(relative change in state) = - n_iter = 2 J = 48.854 max(relative change in state) = 0.46813 n_iter = 3 J = 22.738 max(relative change in state) = 2.2640 n_iter = 4 J = 21.852 max(relative change in state) = 0.30010 n_iter = 5 J = 24.124 max(relative change in state) = 0.59229 n_iter = 6 J = 21.580 max(relative change in state) = 0.49159 n_iter = 7 J = 21.523 max(relative change in state) = 0.32110E-01 n_iter = 8 J = 21.410 max(relative change in state) = 0.16479 n_iter = 9 J = 21.408 max(relative change in state) = 0.58304E-01 n_iter = 10 J = 21.401 max(relative change in state) = 0.16690E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 560 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 561 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 561 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 47.443 max(relative change in state) = - n_iter = 2 J = 39.305 max(relative change in state) = 0.54075 n_iter = 3 J = 28.459 max(relative change in state) = 1.4841 n_iter = 4 J = 28.757 max(relative change in state) = 0.74497 n_iter = 5 J = 27.899 max(relative change in state) = 0.42236 n_iter = 6 J = 27.808 max(relative change in state) = 0.13211 n_iter = 7 J = 27.733 max(relative change in state) = 0.14657 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 561 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 562 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 562 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 102.56 max(relative change in state) = - n_iter = 2 J = 84.162 max(relative change in state) = 0.53579 n_iter = 3 J = 39.076 max(relative change in state) = 2.6103 n_iter = 4 J = 36.709 max(relative change in state) = 0.49713 n_iter = 5 J = 39.491 max(relative change in state) = 1.1119 n_iter = 6 J = 36.240 max(relative change in state) = 0.79294 n_iter = 7 J = 36.155 max(relative change in state) = 0.23939E-01 n_iter = 8 J = 35.961 max(relative change in state) = 0.18230 n_iter = 9 J = 36.150 max(relative change in state) = 0.24823 n_iter = 10 J = 35.884 max(relative change in state) = 0.14764 n_iter = 11 J = 35.836 max(relative change in state) = 0.35705E-01 n_iter = 12 J = 35.863 max(relative change in state) = 0.17837 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 562 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 563 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 563 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 160.67 max(relative change in state) = - n_iter = 2 J = 109.33 max(relative change in state) = 2.2607 n_iter = 3 J = 88.677 max(relative change in state) = 1.7697 n_iter = 4 J = 86.655 max(relative change in state) = 0.85887 n_iter = 5 J = 85.360 max(relative change in state) = 0.67196 n_iter = 6 J = 85.029 max(relative change in state) = 0.52989E-01 n_iter = 7 J = 84.915 max(relative change in state) = 0.75119E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 563 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 564 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 564 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 70.022 max(relative change in state) = - n_iter = 2 J = 58.157 max(relative change in state) = 0.56915 n_iter = 3 J = 42.602 max(relative change in state) = 1.2157 n_iter = 4 J = 41.644 max(relative change in state) = 0.33099 n_iter = 5 J = 41.145 max(relative change in state) = 0.21675 n_iter = 6 J = 41.069 max(relative change in state) = 0.44810E-01 n_iter = 7 J = 41.017 max(relative change in state) = 0.50543E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 564 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 565 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 565 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 65.824 max(relative change in state) = - n_iter = 2 J = 54.532 max(relative change in state) = 0.68324 n_iter = 3 J = 38.431 max(relative change in state) = 2.4424 n_iter = 4 J = 38.726 max(relative change in state) = 0.89050 n_iter = 5 J = 37.526 max(relative change in state) = 0.52440 n_iter = 6 J = 37.382 max(relative change in state) = 0.18738 n_iter = 7 J = 37.392 max(relative change in state) = 0.32374 n_iter = 8 J = 37.273 max(relative change in state) = 0.20506 n_iter = 9 J = 37.212 max(relative change in state) = 0.12668 n_iter = 10 J = 37.106 max(relative change in state) = 0.65296E-01 n_iter = 11 J = 37.036 max(relative change in state) = 0.26209 n_iter = 12 J = 36.970 max(relative change in state) = 0.70814E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 565 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 566 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 566 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 324.44 max(relative change in state) = - n_iter = 2 J = 209.61 max(relative change in state) = 7.9579 n_iter = 3 J = 162.40 max(relative change in state) = 2.6429 n_iter = 4 J = 157.76 max(relative change in state) = 0.44712 n_iter = 5 J = 161.45 max(relative change in state) = 1.8367 n_iter = 6 J = 155.16 max(relative change in state) = 1.0657 n_iter = 7 J = 154.53 max(relative change in state) = 0.39942 n_iter = 8 J = 154.36 max(relative change in state) = 0.19753 n_iter = 9 J = 154.16 max(relative change in state) = 0.15028 n_iter = 10 J = 153.83 max(relative change in state) = 0.22086 n_iter = 11 J = 153.71 max(relative change in state) = 0.11415 n_iter = 12 J = 153.54 max(relative change in state) = 0.27206E-01 n_iter = 13 J = 153.41 max(relative change in state) = 0.70557E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 566 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 567 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 567 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 585.21 max(relative change in state) = - n_iter = 2 J = 1302.6 max(relative change in state) = 19.447 n_iter = 3 J = 442.57 max(relative change in state) = 14.398 n_iter = 4 J = 439.90 max(relative change in state) = 0.29232 n_iter = 5 J = 441.95 max(relative change in state) = 1.4291 n_iter = 6 J = 437.95 max(relative change in state) = 0.91727 n_iter = 7 J = 437.76 max(relative change in state) = 0.23574 n_iter = 8 J = 437.65 max(relative change in state) = 0.16373 n_iter = 9 J = 437.52 max(relative change in state) = 0.81654E-01 n_iter = 10 J = 437.45 max(relative change in state) = 0.39054 n_iter = 11 J = 437.28 max(relative change in state) = 0.19684 n_iter = 12 J = 437.23 max(relative change in state) = 0.15046 n_iter = 13 J = 437.19 max(relative change in state) = 0.26527E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 567 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 568 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 568 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 79.627 max(relative change in state) = - n_iter = 2 J = 68.406 max(relative change in state) = 1.2788 n_iter = 3 J = 62.336 max(relative change in state) = 1.0034 n_iter = 4 J = 62.114 max(relative change in state) = 0.48325 n_iter = 5 J = 62.695 max(relative change in state) = 0.32127 n_iter = 6 J = 61.887 max(relative change in state) = 0.21986 n_iter = 7 J = 61.858 max(relative change in state) = 0.17663E-01 n_iter = 8 J = 61.724 max(relative change in state) = 0.24730 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 568 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 569 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 569 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 84.184 max(relative change in state) = - n_iter = 2 J = 70.175 max(relative change in state) = 0.61714 n_iter = 3 J = 51.883 max(relative change in state) = 1.3758 n_iter = 4 J = 50.943 max(relative change in state) = 0.26238 n_iter = 5 J = 51.803 max(relative change in state) = 0.55414 n_iter = 6 J = 50.690 max(relative change in state) = 0.35100 n_iter = 7 J = 50.639 max(relative change in state) = 0.25554E-01 n_iter = 8 J = 50.670 max(relative change in state) = 0.25076 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 569 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 570 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 570 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 81.717 max(relative change in state) = - n_iter = 2 J = 67.218 max(relative change in state) = 0.50521 n_iter = 3 J = 41.313 max(relative change in state) = 1.7210 n_iter = 4 J = 40.562 max(relative change in state) = 0.52795 n_iter = 5 J = 40.725 max(relative change in state) = 0.15306 n_iter = 6 J = 40.248 max(relative change in state) = 0.62996E-01 n_iter = 7 J = 40.203 max(relative change in state) = 0.25089E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 570 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 571 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 571 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 128.93 max(relative change in state) = - n_iter = 2 J = 105.86 max(relative change in state) = 0.78823 n_iter = 3 J = 63.665 max(relative change in state) = 3.0372 n_iter = 4 J = 63.010 max(relative change in state) = 0.55344 n_iter = 5 J = 62.584 max(relative change in state) = 0.50687 n_iter = 6 J = 62.559 max(relative change in state) = 0.27312E-01 n_iter = 7 J = 62.527 max(relative change in state) = 0.71721E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 571 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 572 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 572 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 240.90 max(relative change in state) = - n_iter = 2 J = 408.09 max(relative change in state) = 7.9688 n_iter = 3 J = 202.20 max(relative change in state) = 6.1438 n_iter = 4 J = 202.61 max(relative change in state) = 0.79504 n_iter = 5 J = 200.85 max(relative change in state) = 0.42096 n_iter = 6 J = 200.59 max(relative change in state) = 0.15986 n_iter = 7 J = 200.36 max(relative change in state) = 0.15278 n_iter = 8 J = 199.86 max(relative change in state) = 0.22688 n_iter = 9 J = 199.26 max(relative change in state) = 0.36908 n_iter = 10 J = 199.03 max(relative change in state) = 0.31894 n_iter = 11 J = 198.98 max(relative change in state) = 0.54802E-01 n_iter = 12 J = 198.91 max(relative change in state) = 0.10494 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 572 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 573 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 573 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 573 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 574 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 574 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 574 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 575 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 575 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 175.72 max(relative change in state) = - n_iter = 2 J = 147.58 max(relative change in state) = 3.4742 n_iter = 3 J = 133.65 max(relative change in state) = 1.4495 n_iter = 4 J = 132.81 max(relative change in state) = 0.27687 n_iter = 5 J = 132.11 max(relative change in state) = 0.12492 n_iter = 6 J = 131.88 max(relative change in state) = 0.14732 n_iter = 7 J = 131.54 max(relative change in state) = 0.16328 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 575 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 576 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 576 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 73.668 max(relative change in state) = - n_iter = 2 J = 60.910 max(relative change in state) = 0.51506 n_iter = 3 J = 42.705 max(relative change in state) = 1.4895 n_iter = 4 J = 42.017 max(relative change in state) = 0.53246 n_iter = 5 J = 41.221 max(relative change in state) = 0.21220 n_iter = 6 J = 41.058 max(relative change in state) = 0.20538 n_iter = 7 J = 40.985 max(relative change in state) = 0.10898 n_iter = 8 J = 40.919 max(relative change in state) = 0.43690E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 576 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 577 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 577 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 117.43 max(relative change in state) = - n_iter = 2 J = 97.969 max(relative change in state) = 0.86559 n_iter = 3 J = 79.585 max(relative change in state) = 2.3418 n_iter = 4 J = 73.163 max(relative change in state) = 0.75797 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 577 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 578 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 578 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 111.15 max(relative change in state) = - n_iter = 2 J = 92.703 max(relative change in state) = 1.0126 n_iter = 3 J = 72.744 max(relative change in state) = 2.3569 n_iter = 4 J = 72.122 max(relative change in state) = 0.64993 n_iter = 5 J = 71.350 max(relative change in state) = 0.37676 n_iter = 6 J = 71.250 max(relative change in state) = 0.14638 n_iter = 7 J = 71.141 max(relative change in state) = 0.13664 n_iter = 8 J = 71.058 max(relative change in state) = 0.50457E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 578 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 579 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 579 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 93.744 max(relative change in state) = - n_iter = 2 J = 78.890 max(relative change in state) = 0.64930 n_iter = 3 J = 60.510 max(relative change in state) = 2.1080 n_iter = 4 J = 59.806 max(relative change in state) = 0.44855 n_iter = 5 J = 59.693 max(relative change in state) = 0.23192 n_iter = 6 J = 59.431 max(relative change in state) = 0.61938E-01 n_iter = 7 J = 59.333 max(relative change in state) = 0.71355E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 579 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 580 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 580 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 51.326 max(relative change in state) = - n_iter = 2 J = 42.630 max(relative change in state) = 0.46053 n_iter = 3 J = 31.146 max(relative change in state) = 1.2566 n_iter = 4 J = 33.549 max(relative change in state) = 1.2817 n_iter = 5 J = 30.526 max(relative change in state) = 0.93773 n_iter = 6 J = 30.364 max(relative change in state) = 0.80623E-01 n_iter = 7 J = 29.862 max(relative change in state) = 0.33543 n_iter = 8 J = 29.670 max(relative change in state) = 0.20768 n_iter = 9 J = 29.590 max(relative change in state) = 0.71744E-01 n_iter = 10 J = 29.528 max(relative change in state) = 0.32405E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 580 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 581 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 581 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 34.052 max(relative change in state) = - n_iter = 2 J = 28.045 max(relative change in state) = 0.37548 n_iter = 3 J = 17.627 max(relative change in state) = 1.2803 n_iter = 4 J = 17.225 max(relative change in state) = 0.17441 n_iter = 5 J = 17.097 max(relative change in state) = 0.14276 n_iter = 6 J = 17.030 max(relative change in state) = 0.49857E-01 n_iter = 7 J = 17.020 max(relative change in state) = 0.13522E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 581 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 582 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 582 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 53.440 max(relative change in state) = - n_iter = 2 J = 44.970 max(relative change in state) = 0.50781 n_iter = 3 J = 36.399 max(relative change in state) = 1.3320 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 582 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 583 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 583 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 52.279 max(relative change in state) = - n_iter = 2 J = 43.198 max(relative change in state) = 0.44317 n_iter = 3 J = 30.251 max(relative change in state) = 1.5294 n_iter = 4 J = 31.876 max(relative change in state) = 0.81521 n_iter = 5 J = 30.105 max(relative change in state) = 0.66347 n_iter = 6 J = 30.074 max(relative change in state) = 0.21866E-01 n_iter = 7 J = 29.981 max(relative change in state) = 0.10212 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 583 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 584 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 584 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 118.44 max(relative change in state) = - n_iter = 2 J = 97.899 max(relative change in state) = 0.68739 n_iter = 3 J = 68.610 max(relative change in state) = 1.9646 n_iter = 4 J = 66.049 max(relative change in state) = 0.35444 n_iter = 5 J = 66.567 max(relative change in state) = 1.1645 n_iter = 6 J = 65.235 max(relative change in state) = 0.86552 n_iter = 7 J = 65.123 max(relative change in state) = 0.16856 n_iter = 8 J = 65.071 max(relative change in state) = 0.13908 n_iter = 9 J = 64.952 max(relative change in state) = 0.86263E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 584 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 585 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 585 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 55.475 max(relative change in state) = - n_iter = 2 J = 45.974 max(relative change in state) = 0.63428 n_iter = 3 J = 33.486 max(relative change in state) = 1.4833 n_iter = 4 J = 33.796 max(relative change in state) = 0.76644 n_iter = 5 J = 32.730 max(relative change in state) = 0.45315 n_iter = 6 J = 32.654 max(relative change in state) = 0.13832 n_iter = 7 J = 32.605 max(relative change in state) = 0.11276 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 585 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 586 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 586 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 78.093 max(relative change in state) = - n_iter = 2 J = 66.844 max(relative change in state) = 0.87174 n_iter = 3 J = 54.475 max(relative change in state) = 2.1700 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 586 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 587 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 587 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 587 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 588 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 588 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 45.388 max(relative change in state) = - n_iter = 2 J = 37.699 max(relative change in state) = 0.57629 n_iter = 3 J = 28.612 max(relative change in state) = 1.1918 n_iter = 4 J = 29.188 max(relative change in state) = 0.98617 n_iter = 5 J = 27.813 max(relative change in state) = 0.60159 n_iter = 6 J = 27.699 max(relative change in state) = 0.15732 n_iter = 7 J = 27.566 max(relative change in state) = 0.18942 n_iter = 8 J = 27.487 max(relative change in state) = 0.11292 n_iter = 9 J = 27.264 max(relative change in state) = 0.26590 n_iter = 10 J = 27.181 max(relative change in state) = 0.84958E-01 n_iter = 11 J = 27.146 max(relative change in state) = 0.39282E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 588 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 589 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 589 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 161.53 max(relative change in state) = - n_iter = 2 J = 122.94 max(relative change in state) = 2.6341 n_iter = 3 J = 118.13 max(relative change in state) = 0.56763 n_iter = 4 J = 125.14 max(relative change in state) = 2.0869 n_iter = 5 J = 117.37 max(relative change in state) = 1.6074 n_iter = 6 J = 117.23 max(relative change in state) = 0.92642E-01 n_iter = 7 J = 116.87 max(relative change in state) = 0.29405 n_iter = 8 J = 116.79 max(relative change in state) = 0.19734 n_iter = 9 J = 116.77 max(relative change in state) = 0.73633E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 589 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 590 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 590 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 108.57 max(relative change in state) = - n_iter = 2 J = 90.853 max(relative change in state) = 0.86472 n_iter = 3 J = 73.021 max(relative change in state) = 1.2945 n_iter = 4 J = 74.616 max(relative change in state) = 1.2812 n_iter = 5 J = 71.803 max(relative change in state) = 0.83294 n_iter = 6 J = 71.681 max(relative change in state) = 0.13438 n_iter = 7 J = 71.533 max(relative change in state) = 0.23312 n_iter = 8 J = 71.413 max(relative change in state) = 0.61255E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 590 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 591 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 591 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 42.861 max(relative change in state) = - n_iter = 2 J = 35.332 max(relative change in state) = 0.36544 n_iter = 3 J = 22.386 max(relative change in state) = 1.7020 n_iter = 4 J = 22.668 max(relative change in state) = 0.58124 n_iter = 5 J = 21.975 max(relative change in state) = 0.35588 n_iter = 6 J = 21.926 max(relative change in state) = 0.92874E-01 n_iter = 7 J = 21.892 max(relative change in state) = 0.97899E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 591 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 592 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 592 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 173.72 max(relative change in state) = - n_iter = 2 J = 122.05 max(relative change in state) = 3.9040 n_iter = 3 J = 117.71 max(relative change in state) = 0.83120 n_iter = 4 J = 121.34 max(relative change in state) = 1.5960 n_iter = 5 J = 117.04 max(relative change in state) = 1.1207 n_iter = 6 J = 116.90 max(relative change in state) = 0.36230E-01 n_iter = 7 J = 116.23 max(relative change in state) = 0.44347 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 592 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 593 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 593 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 305.76 max(relative change in state) = - n_iter = 2 J = 198.46 max(relative change in state) = 6.1051 n_iter = 3 J = 156.46 max(relative change in state) = 2.3914 n_iter = 4 J = 152.16 max(relative change in state) = 0.91071 n_iter = 5 J = 149.42 max(relative change in state) = 0.51837 n_iter = 6 J = 148.58 max(relative change in state) = 0.23627 n_iter = 7 J = 147.27 max(relative change in state) = 0.34420 n_iter = 8 J = 146.63 max(relative change in state) = 0.37799 n_iter = 9 J = 146.52 max(relative change in state) = 0.12040 n_iter = 10 J = 146.41 max(relative change in state) = 0.10720 n_iter = 11 J = 146.37 max(relative change in state) = 0.79661E-01 n_iter = 12 J = 146.32 max(relative change in state) = 0.45875E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 593 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 594 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 594 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 15.934 max(relative change in state) = - n_iter = 2 J = 13.543 max(relative change in state) = 0.58697 n_iter = 3 J = 12.094 max(relative change in state) = 0.66027 n_iter = 4 J = 12.225 max(relative change in state) = 0.34384 n_iter = 5 J = 11.872 max(relative change in state) = 0.23936 n_iter = 6 J = 11.863 max(relative change in state) = 0.47367E-01 n_iter = 7 J = 11.858 max(relative change in state) = 0.39243E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 594 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 595 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 595 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 205.71 max(relative change in state) = - n_iter = 2 J = 119.12 max(relative change in state) = 4.3029 n_iter = 3 J = 112.30 max(relative change in state) = 0.72173 n_iter = 4 J = 112.70 max(relative change in state) = 1.1428 n_iter = 5 J = 108.83 max(relative change in state) = 0.72833 n_iter = 6 J = 108.64 max(relative change in state) = 0.22802 n_iter = 7 J = 108.54 max(relative change in state) = 0.14089 n_iter = 8 J = 108.31 max(relative change in state) = 0.14143 n_iter = 9 J = 108.07 max(relative change in state) = 0.21939 n_iter = 10 J = 107.95 max(relative change in state) = 0.47973E-01 n_iter = 11 J = 107.84 max(relative change in state) = 0.64054E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 595 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 596 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 596 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 201.74 max(relative change in state) = - n_iter = 2 J = 123.05 max(relative change in state) = 3.7760 n_iter = 3 J = 129.19 max(relative change in state) = 2.5767 n_iter = 4 J = 117.52 max(relative change in state) = 0.99037 n_iter = 5 J = 120.06 max(relative change in state) = 1.2944 n_iter = 6 J = 114.61 max(relative change in state) = 0.89840 n_iter = 7 J = 113.73 max(relative change in state) = 0.23126 n_iter = 8 J = 119.12 max(relative change in state) = 1.4789 n_iter = 9 J = 111.93 max(relative change in state) = 0.72520 n_iter = 10 J = 113.28 max(relative change in state) = 0.12580 n_iter = 11 J = 112.11 max(relative change in state) = 0.93174E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 596 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 597 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 597 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 81.119 max(relative change in state) = - n_iter = 2 J = 66.961 max(relative change in state) = 0.61449 n_iter = 3 J = 45.684 max(relative change in state) = 2.4783 n_iter = 4 J = 65.050 max(relative change in state) = 3.4758 n_iter = 5 J = 45.173 max(relative change in state) = 3.0068 n_iter = 6 J = 45.080 max(relative change in state) = 0.31217E-01 n_iter = 7 J = 44.824 max(relative change in state) = 0.23277 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 597 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 598 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 598 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 109.49 max(relative change in state) = - n_iter = 2 J = 91.233 max(relative change in state) = 0.83057 n_iter = 3 J = 72.926 max(relative change in state) = 1.3956 n_iter = 4 J = 73.410 max(relative change in state) = 1.1603 n_iter = 5 J = 71.198 max(relative change in state) = 0.70415 n_iter = 6 J = 71.031 max(relative change in state) = 0.23669 n_iter = 7 J = 70.930 max(relative change in state) = 0.15659 n_iter = 8 J = 70.759 max(relative change in state) = 0.12337 n_iter = 9 J = 70.475 max(relative change in state) = 0.34154 n_iter = 10 J = 70.372 max(relative change in state) = 0.16349 n_iter = 11 J = 70.323 max(relative change in state) = 0.79156E-01 n_iter = 12 J = 70.309 max(relative change in state) = 0.37401E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 598 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 599 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 599 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 107.89 max(relative change in state) = - n_iter = 2 J = 90.246 max(relative change in state) = 0.72758 n_iter = 3 J = 69.582 max(relative change in state) = 1.7621 n_iter = 4 J = 69.894 max(relative change in state) = 1.1474 n_iter = 5 J = 67.727 max(relative change in state) = 0.94764 n_iter = 6 J = 67.541 max(relative change in state) = 0.69101E-01 n_iter = 7 J = 67.433 max(relative change in state) = 0.70987E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 599 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 600 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 600 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 77.563 max(relative change in state) = - n_iter = 2 J = 64.316 max(relative change in state) = 0.60043 n_iter = 3 J = 45.900 max(relative change in state) = 2.0294 n_iter = 4 J = 60.793 max(relative change in state) = 2.7308 n_iter = 5 J = 45.341 max(relative change in state) = 2.2915 n_iter = 6 J = 45.218 max(relative change in state) = 0.27704E-01 n_iter = 7 J = 44.677 max(relative change in state) = 0.42007 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 600 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 601 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 601 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 38.358 max(relative change in state) = - n_iter = 2 J = 31.856 max(relative change in state) = 0.43926 n_iter = 3 J = 24.356 max(relative change in state) = 1.0055 n_iter = 4 J = 24.318 max(relative change in state) = 0.40693 n_iter = 5 J = 23.951 max(relative change in state) = 0.19607 n_iter = 6 J = 23.885 max(relative change in state) = 0.12943 n_iter = 7 J = 23.855 max(relative change in state) = 0.66292E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 601 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 602 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 602 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 76.969 max(relative change in state) = - n_iter = 2 J = 65.283 max(relative change in state) = 0.68571 n_iter = 3 J = 55.410 max(relative change in state) = 1.2878 n_iter = 4 J = 54.736 max(relative change in state) = 0.55899 n_iter = 5 J = 53.793 max(relative change in state) = 0.38782 n_iter = 6 J = 53.706 max(relative change in state) = 0.34239E-01 n_iter = 7 J = 53.514 max(relative change in state) = 0.11244 n_iter = 8 J = 53.261 max(relative change in state) = 0.18905 n_iter = 9 J = 53.120 max(relative change in state) = 0.47098 n_iter = 10 J = 52.965 max(relative change in state) = 0.23789 n_iter = 11 J = 52.914 max(relative change in state) = 0.13646 n_iter = 12 J = 52.893 max(relative change in state) = 0.23428E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 602 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 603 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 603 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 89.377 max(relative change in state) = - n_iter = 2 J = 73.487 max(relative change in state) = 0.40915 n_iter = 3 J = 42.616 max(relative change in state) = 1.9019 n_iter = 4 J = 52.216 max(relative change in state) = 2.3827 n_iter = 5 J = 42.318 max(relative change in state) = 2.0307 n_iter = 6 J = 42.246 max(relative change in state) = 0.21162E-01 n_iter = 7 J = 42.172 max(relative change in state) = 0.28781 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 603 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 604 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 604 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 89.368 max(relative change in state) = - n_iter = 2 J = 74.443 max(relative change in state) = 0.57439 n_iter = 3 J = 55.001 max(relative change in state) = 1.4726 n_iter = 4 J = 52.536 max(relative change in state) = 0.48534 n_iter = 5 J = 58.741 max(relative change in state) = 1.3596 n_iter = 6 J = 52.162 max(relative change in state) = 1.1090 n_iter = 7 J = 52.083 max(relative change in state) = 0.16110E-01 n_iter = 8 J = 51.810 max(relative change in state) = 0.20699 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 604 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 605 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 605 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 60.947 max(relative change in state) = - n_iter = 2 J = 50.758 max(relative change in state) = 0.59143 n_iter = 3 J = 38.214 max(relative change in state) = 1.1189 n_iter = 4 J = 36.954 max(relative change in state) = 0.48283 n_iter = 5 J = 36.525 max(relative change in state) = 0.41726 n_iter = 6 J = 36.224 max(relative change in state) = 0.74650E-01 n_iter = 7 J = 36.154 max(relative change in state) = 0.37387E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 605 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 606 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 606 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 80.112 max(relative change in state) = - n_iter = 2 J = 66.748 max(relative change in state) = 0.52516 n_iter = 3 J = 50.490 max(relative change in state) = 1.3539 n_iter = 4 J = 49.449 max(relative change in state) = 0.36726 n_iter = 5 J = 49.186 max(relative change in state) = 0.37321 n_iter = 6 J = 48.788 max(relative change in state) = 0.77301E-01 n_iter = 7 J = 48.700 max(relative change in state) = 0.41279E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 606 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 607 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 607 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 166.80 max(relative change in state) = - n_iter = 2 J = 103.47 max(relative change in state) = 1.9995 n_iter = 3 J = 76.228 max(relative change in state) = 2.6804 n_iter = 4 J = 76.487 max(relative change in state) = 0.83906 n_iter = 5 J = 74.614 max(relative change in state) = 0.50484 n_iter = 6 J = 74.438 max(relative change in state) = 0.17757 n_iter = 7 J = 74.335 max(relative change in state) = 0.17572 n_iter = 8 J = 74.207 max(relative change in state) = 0.84789E-01 n_iter = 9 J = 73.977 max(relative change in state) = 0.20373 n_iter = 10 J = 73.846 max(relative change in state) = 0.84503E-01 n_iter = 11 J = 73.764 max(relative change in state) = 0.85727E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 607 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 608 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 608 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 73.306 max(relative change in state) = - n_iter = 2 J = 60.154 max(relative change in state) = 0.46276 n_iter = 3 J = 33.985 max(relative change in state) = 2.0045 n_iter = 4 J = 33.244 max(relative change in state) = 0.40295 n_iter = 5 J = 32.637 max(relative change in state) = 0.20609 n_iter = 6 J = 32.525 max(relative change in state) = 0.18963 n_iter = 7 J = 32.454 max(relative change in state) = 0.49081E-01 n_iter = 8 J = 32.421 max(relative change in state) = 0.13651 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 608 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 609 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 609 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 85.046 max(relative change in state) = - n_iter = 2 J = 70.412 max(relative change in state) = 0.62999 n_iter = 3 J = 48.543 max(relative change in state) = 2.0885 n_iter = 4 J = 47.578 max(relative change in state) = 0.34338 n_iter = 5 J = 48.118 max(relative change in state) = 0.38519 n_iter = 6 J = 47.264 max(relative change in state) = 0.23119 n_iter = 7 J = 47.220 max(relative change in state) = 0.21016E-01 n_iter = 8 J = 47.175 max(relative change in state) = 0.17809 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 609 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 610 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 610 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 77.262 max(relative change in state) = - n_iter = 2 J = 63.728 max(relative change in state) = 0.73114 n_iter = 3 J = 43.105 max(relative change in state) = 2.3475 n_iter = 4 J = 42.828 max(relative change in state) = 0.46404 n_iter = 5 J = 42.311 max(relative change in state) = 0.20229 n_iter = 6 J = 42.202 max(relative change in state) = 0.18114 n_iter = 7 J = 42.162 max(relative change in state) = 0.86253E-01 n_iter = 8 J = 42.108 max(relative change in state) = 0.54485E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 610 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 611 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 611 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 27.366 max(relative change in state) = - n_iter = 2 J = 22.602 max(relative change in state) = 0.31612 n_iter = 3 J = 14.793 max(relative change in state) = 0.98444 n_iter = 4 J = 15.193 max(relative change in state) = 0.63604 n_iter = 5 J = 14.468 max(relative change in state) = 0.40027 n_iter = 6 J = 14.399 max(relative change in state) = 0.77962E-01 n_iter = 7 J = 14.271 max(relative change in state) = 0.18075 n_iter = 8 J = 14.168 max(relative change in state) = 0.52036E-01 n_iter = 9 J = 14.133 max(relative change in state) = 0.41529 n_iter = 10 J = 14.019 max(relative change in state) = 0.22669 n_iter = 11 J = 14.003 max(relative change in state) = 0.60789E-01 n_iter = 12 J = 13.994 max(relative change in state) = 0.18904E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 611 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 612 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 612 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 63.315 max(relative change in state) = - n_iter = 2 J = 53.098 max(relative change in state) = 0.62869 n_iter = 3 J = 43.927 max(relative change in state) = 1.1890 n_iter = 4 J = 43.302 max(relative change in state) = 0.30452 n_iter = 5 J = 43.338 max(relative change in state) = 0.30484 n_iter = 6 J = 43.052 max(relative change in state) = 0.13030 n_iter = 7 J = 43.039 max(relative change in state) = 0.11832E-01 n_iter = 8 J = 43.025 max(relative change in state) = 0.86739E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 612 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 613 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 613 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 167.60 max(relative change in state) = - n_iter = 2 J = 100.52 max(relative change in state) = 2.4073 n_iter = 3 J = 67.265 max(relative change in state) = 2.8532 n_iter = 4 J = 65.152 max(relative change in state) = 0.40466 n_iter = 5 J = 69.575 max(relative change in state) = 0.79972 n_iter = 6 J = 64.792 max(relative change in state) = 0.67634 n_iter = 7 J = 64.691 max(relative change in state) = 0.35105E-01 n_iter = 8 J = 64.400 max(relative change in state) = 0.27558 n_iter = 9 J = 64.343 max(relative change in state) = 0.53755E-01 n_iter = 10 J = 64.344 max(relative change in state) = 0.76818E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 613 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 614 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 614 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 242.20 max(relative change in state) = - n_iter = 2 J = 306.67 max(relative change in state) = 6.2014 n_iter = 3 J = 188.70 max(relative change in state) = 4.0261 n_iter = 4 J = 188.58 max(relative change in state) = 1.0369 n_iter = 5 J = 187.28 max(relative change in state) = 0.49056 n_iter = 6 J = 187.03 max(relative change in state) = 0.31712 n_iter = 7 J = 186.90 max(relative change in state) = 0.15788 n_iter = 8 J = 186.53 max(relative change in state) = 0.14141 n_iter = 9 J = 186.13 max(relative change in state) = 0.37610 n_iter = 10 J = 186.11 max(relative change in state) = 0.78132E-01 n_iter = 11 J = 185.96 max(relative change in state) = 0.90802E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 614 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 615 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 615 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 109.01 max(relative change in state) = - n_iter = 2 J = 89.559 max(relative change in state) = 0.67671 n_iter = 3 J = 56.344 max(relative change in state) = 2.3816 n_iter = 4 J = 52.663 max(relative change in state) = 0.66897 n_iter = 5 J = 52.618 max(relative change in state) = 0.76319 n_iter = 6 J = 51.046 max(relative change in state) = 0.26591 n_iter = 7 J = 50.938 max(relative change in state) = 0.38824E-01 n_iter = 8 J = 50.287 max(relative change in state) = 0.45174 n_iter = 9 J = 50.035 max(relative change in state) = 0.45557 n_iter = 10 J = 49.823 max(relative change in state) = 0.30593 n_iter = 11 J = 49.806 max(relative change in state) = 0.93966E-01 n_iter = 12 J = 49.800 max(relative change in state) = 0.23205E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 615 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 616 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 616 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 64.816 max(relative change in state) = - n_iter = 2 J = 53.582 max(relative change in state) = 0.71247 n_iter = 3 J = 36.817 max(relative change in state) = 2.3996 n_iter = 4 J = 38.224 max(relative change in state) = 1.1127 n_iter = 5 J = 36.327 max(relative change in state) = 0.78408 n_iter = 6 J = 36.241 max(relative change in state) = 0.83097E-01 n_iter = 7 J = 36.047 max(relative change in state) = 0.24999 n_iter = 8 J = 35.938 max(relative change in state) = 0.92640E-01 n_iter = 9 J = 36.094 max(relative change in state) = 0.35604 n_iter = 10 J = 35.892 max(relative change in state) = 0.20015 n_iter = 11 J = 35.885 max(relative change in state) = 0.37103E-01 n_iter = 12 J = 35.875 max(relative change in state) = 0.59167E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 616 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 617 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 617 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 183.51 max(relative change in state) = - n_iter = 2 J = 113.34 max(relative change in state) = 2.8552 n_iter = 3 J = 98.156 max(relative change in state) = 1.0011 n_iter = 4 J = 105.96 max(relative change in state) = 2.1464 n_iter = 5 J = 95.379 max(relative change in state) = 1.6000 n_iter = 6 J = 94.926 max(relative change in state) = 0.12180 n_iter = 7 J = 94.174 max(relative change in state) = 0.65313 n_iter = 8 J = 93.342 max(relative change in state) = 0.52119 n_iter = 9 J = 93.912 max(relative change in state) = 0.28742 n_iter = 10 J = 93.356 max(relative change in state) = 0.30403 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 617 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 618 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 618 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 187.71 max(relative change in state) = - n_iter = 2 J = 138.44 max(relative change in state) = 3.8761 n_iter = 3 J = 125.89 max(relative change in state) = 1.2692 n_iter = 4 J = 124.21 max(relative change in state) = 0.28853 n_iter = 5 J = 124.70 max(relative change in state) = 0.38800 n_iter = 6 J = 123.59 max(relative change in state) = 0.23114 n_iter = 7 J = 123.55 max(relative change in state) = 0.16364E-01 n_iter = 8 J = 123.34 max(relative change in state) = 0.17633 n_iter = 9 J = 123.28 max(relative change in state) = 0.69259E-01 n_iter = 10 J = 123.35 max(relative change in state) = 0.75912E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 618 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 619 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 619 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 619 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 620 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 620 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 174.66 max(relative change in state) = - n_iter = 2 J = 103.35 max(relative change in state) = 2.1374 n_iter = 3 J = 79.811 max(relative change in state) = 1.7495 n_iter = 4 J = 79.466 max(relative change in state) = 0.97091 n_iter = 5 J = 77.620 max(relative change in state) = 0.58050 n_iter = 6 J = 77.486 max(relative change in state) = 0.20364 n_iter = 7 J = 77.369 max(relative change in state) = 0.17842 n_iter = 8 J = 77.212 max(relative change in state) = 0.58862E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 620 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 621 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 621 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 73.563 max(relative change in state) = - n_iter = 2 J = 60.547 max(relative change in state) = 0.59197 n_iter = 3 J = 37.086 max(relative change in state) = 1.9646 n_iter = 4 J = 38.276 max(relative change in state) = 1.0692 n_iter = 5 J = 36.173 max(relative change in state) = 0.70105 n_iter = 6 J = 35.974 max(relative change in state) = 0.14141 n_iter = 7 J = 35.537 max(relative change in state) = 0.30123 n_iter = 8 J = 35.326 max(relative change in state) = 0.52822E-01 n_iter = 9 J = 35.072 max(relative change in state) = 0.16072 n_iter = 10 J = 34.920 max(relative change in state) = 0.99328E-01 n_iter = 11 J = 34.975 max(relative change in state) = 0.13825 n_iter = 12 J = 34.864 max(relative change in state) = 0.68678E-01 n_iter = 13 J = 34.841 max(relative change in state) = 0.15873E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 621 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 622 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 622 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 27.146 max(relative change in state) = - n_iter = 2 J = 22.482 max(relative change in state) = 0.42030 n_iter = 3 J = 16.008 max(relative change in state) = 0.92438 n_iter = 4 J = 17.310 max(relative change in state) = 0.95644 n_iter = 5 J = 15.823 max(relative change in state) = 0.73017 n_iter = 6 J = 15.781 max(relative change in state) = 0.31689E-01 n_iter = 7 J = 15.614 max(relative change in state) = 0.11323 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 622 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 623 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 623 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 90.359 max(relative change in state) = - n_iter = 2 J = 75.092 max(relative change in state) = 0.74707 n_iter = 3 J = 56.025 max(relative change in state) = 2.1253 n_iter = 4 J = 55.398 max(relative change in state) = 0.57864 n_iter = 5 J = 54.569 max(relative change in state) = 0.36367 n_iter = 6 J = 54.520 max(relative change in state) = 0.96992E-01 n_iter = 7 J = 54.461 max(relative change in state) = 0.11323 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 623 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 624 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 624 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 94.144 max(relative change in state) = - n_iter = 2 J = 86.031 max(relative change in state) = 1.5174 n_iter = 3 J = 83.610 max(relative change in state) = 0.36536 n_iter = 4 J = 84.808 max(relative change in state) = 1.0787 n_iter = 5 J = 82.705 max(relative change in state) = 0.70373 n_iter = 6 J = 82.644 max(relative change in state) = 0.97495E-01 n_iter = 7 J = 82.533 max(relative change in state) = 0.15970 n_iter = 8 J = 82.433 max(relative change in state) = 0.95471E-01 n_iter = 9 J = 82.467 max(relative change in state) = 0.15407 n_iter = 10 J = 82.374 max(relative change in state) = 0.49614E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 624 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. INFO (from ropp_1dvar_bangle): Reading observation data for profile 625 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_bangle): Reading background data for profile 625 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Bending angle values outside limits: [-1.00000E-04, 1.00000E-01] rad. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Bending angle values outside limits: [-1.00000E-04, 1.00000E-01] rad. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Bending angle values outside limits: [-1.00000E-04, 1.00000E-01] rad. ERROR (from ropp_qc_genqc): Bending angle values outside limits: [-1.00000E-04, 1.00000E-01] rad. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criteria. n_iter = 1 J = 96.607 max(relative change in state) = - n_iter = 2 J = 80.364 max(relative change in state) = 0.68141 n_iter = 3 J = 61.457 max(relative change in state) = 2.2502 n_iter = 4 J = 61.022 max(relative change in state) = 0.39704 n_iter = 5 J = 60.314 max(relative change in state) = 0.25037 n_iter = 6 J = 60.279 max(relative change in state) = 0.86652E-01 n_iter = 7 J = 60.251 max(relative change in state) = 0.79511E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 625 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc. IT_1DVAR_OP_RUN: Warning: (BA) Issue with at least one profile: (BA) (may be acceptable, but check to be sure) Running remote command: . ./.ropp_test gfortran_linux; ROPP_testing/ropp_1dvar/tools/ropp_1dvar_bangle_gfortran_linux -y ROPP_testing/ropp_test_tmp/IT-FM-OP.nc -b ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc --bg-corr ROPP_testing/ropp_1dvar/errors/ropp_bg_ecmwf_error_corr_L91.nc -o ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.1.nc -------------------------------------------------------------------- -------------------------------------------------------------------- Running command / platform: . ./.ropp_test gfortran_linux; ROPP_testing/ropp_1dvar/tools/ropp_1dvar_refrac_gfortran_linux -y ROPP_testing/ropp_test_tmp/IT-FM-OP.nc -b ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc --bg-corr ROPP_testing/ropp_1dvar/errors/ropp_bg_ecmwf_error_corr_L91.nc -o ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc / vld189 -------------------------------------------------------------------- -------------------------------------------------------------------- --------------------------------------------------------------------- ROPP Refractivity 1D-Var --------------------------------------------------------------------- INFO (from ropp_1dvar_refrac): Reading observation data for profile 1 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 1 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.909 max(relative change in state) = - n_iter = 2 J = 60.755 max(relative change in state) = 1.7868 n_iter = 3 J = 59.073 max(relative change in state) = 0.90767 n_iter = 4 J = 64.554 max(relative change in state) = 1.6965 n_iter = 5 J = 59.033 max(relative change in state) = 1.5521 n_iter = 6 J = 59.028 max(relative change in state) = 0.63907E-02 n_iter = 7 J = 58.987 max(relative change in state) = 0.13850 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Writing 1DVar retrieval for profile 1 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 2 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 2 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.350 max(relative change in state) = - n_iter = 2 J = 45.405 max(relative change in state) = 1.6950 n_iter = 3 J = 45.026 max(relative change in state) = 0.50539 n_iter = 4 J = 45.043 max(relative change in state) = 0.48657 n_iter = 5 J = 44.840 max(relative change in state) = 0.16581 n_iter = 6 J = 44.838 max(relative change in state) = 0.16386E-01 n_iter = 7 J = 44.832 max(relative change in state) = 0.59482E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 2 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 3 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 3 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 40.020 max(relative change in state) = - n_iter = 2 J = 34.865 max(relative change in state) = 0.73431 n_iter = 3 J = 33.502 max(relative change in state) = 0.52631 n_iter = 4 J = 37.109 max(relative change in state) = 1.6251 n_iter = 5 J = 33.461 max(relative change in state) = 1.4962 n_iter = 6 J = 33.444 max(relative change in state) = 0.17136E-01 n_iter = 7 J = 33.738 max(relative change in state) = 0.29651 n_iter = 8 J = 33.426 max(relative change in state) = 0.27933 n_iter = 9 J = 33.413 max(relative change in state) = 0.13681E-01 n_iter = 10 J = 33.405 max(relative change in state) = 0.46047E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 3 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 4 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 4 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.522 max(relative change in state) = - n_iter = 2 J = 36.941 max(relative change in state) = 0.87832 n_iter = 3 J = 36.247 max(relative change in state) = 0.61538 n_iter = 4 J = 37.565 max(relative change in state) = 1.0035 n_iter = 5 J = 36.215 max(relative change in state) = 0.92119 n_iter = 6 J = 36.194 max(relative change in state) = 0.17529E-01 n_iter = 7 J = 36.355 max(relative change in state) = 0.25928 n_iter = 8 J = 36.163 max(relative change in state) = 0.22823 n_iter = 9 J = 36.147 max(relative change in state) = 0.25110E-01 n_iter = 10 J = 36.136 max(relative change in state) = 0.11670 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 4 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 5 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 5 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 5 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 6 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 6 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 7.2753 max(relative change in state) = - n_iter = 2 J = 6.1091 max(relative change in state) = 0.37588 n_iter = 3 J = 5.3728 max(relative change in state) = 0.61203 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 6 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 7 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 7 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 80.711 max(relative change in state) = - n_iter = 2 J = 69.539 max(relative change in state) = 1.2352 n_iter = 3 J = 66.414 max(relative change in state) = 1.2820 n_iter = 4 J = 70.408 max(relative change in state) = 1.7410 n_iter = 5 J = 66.375 max(relative change in state) = 1.5914 n_iter = 6 J = 66.367 max(relative change in state) = 0.11031E-01 n_iter = 7 J = 66.331 max(relative change in state) = 0.19556 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 7 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 8 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 8 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.419 max(relative change in state) = - n_iter = 2 J = 59.601 max(relative change in state) = 1.2912 n_iter = 3 J = 56.834 max(relative change in state) = 1.0628 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 8 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 9 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 9 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 9.0935 max(relative change in state) = - n_iter = 2 J = 7.7300 max(relative change in state) = 0.43085 n_iter = 3 J = 7.1588 max(relative change in state) = 0.34853 n_iter = 4 J = 7.6275 max(relative change in state) = 0.51231 n_iter = 5 J = 7.1519 max(relative change in state) = 0.46086 n_iter = 6 J = 7.1498 max(relative change in state) = 0.57034E-02 n_iter = 7 J = 7.1443 max(relative change in state) = 0.12413 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 9 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 10 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 10 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.110 max(relative change in state) = - n_iter = 2 J = 29.712 max(relative change in state) = 0.60192 n_iter = 3 J = 26.727 max(relative change in state) = 0.94931 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 10 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 11 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 11 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.888 max(relative change in state) = - n_iter = 2 J = 14.965 max(relative change in state) = 0.36573 n_iter = 3 J = 12.830 max(relative change in state) = 0.73348 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 11 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 12 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 12 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.688 max(relative change in state) = - n_iter = 2 J = 23.673 max(relative change in state) = 0.39734 n_iter = 3 J = 21.563 max(relative change in state) = 0.74527 n_iter = 4 J = 21.631 max(relative change in state) = 0.37036 n_iter = 5 J = 21.436 max(relative change in state) = 0.23841 n_iter = 6 J = 21.408 max(relative change in state) = 0.10489 n_iter = 7 J = 21.373 max(relative change in state) = 0.48697E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 12 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 13 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 13 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.711 max(relative change in state) = - n_iter = 2 J = 45.645 max(relative change in state) = 0.85487 n_iter = 3 J = 43.198 max(relative change in state) = 1.1459 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 13 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 14 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 14 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 14.346 max(relative change in state) = - n_iter = 2 J = 11.911 max(relative change in state) = 0.35842 n_iter = 3 J = 9.4784 max(relative change in state) = 0.73440 n_iter = 4 J = 9.4249 max(relative change in state) = 0.10934 n_iter = 5 J = 9.5101 max(relative change in state) = 0.13011 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 14 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 15 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 15 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.449 max(relative change in state) = - n_iter = 2 J = 34.219 max(relative change in state) = 0.45714 n_iter = 3 J = 26.502 max(relative change in state) = 1.1563 n_iter = 4 J = 24.729 max(relative change in state) = 0.44133 n_iter = 5 J = 25.208 max(relative change in state) = 0.57151 n_iter = 6 J = 24.223 max(relative change in state) = 0.39438 n_iter = 7 J = 23.990 max(relative change in state) = 0.13500 n_iter = 8 J = 23.477 max(relative change in state) = 0.26865 n_iter = 9 J = 23.901 max(relative change in state) = 0.49521 n_iter = 10 J = 23.364 max(relative change in state) = 0.34933 n_iter = 11 J = 23.289 max(relative change in state) = 0.38074E-01 n_iter = 12 J = 23.116 max(relative change in state) = 0.19610 n_iter = 13 J = 23.063 max(relative change in state) = 0.13131 n_iter = 14 J = 22.944 max(relative change in state) = 0.42850E-01 n_iter = 15 J = 22.898 max(relative change in state) = 0.22473E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 15 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 16 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 16 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 327.00 max(relative change in state) = - n_iter = 2 J = 288.12 max(relative change in state) = 2.9516 n_iter = 3 J = 300.26 max(relative change in state) = 1.1968 n_iter = 4 J = 286.48 max(relative change in state) = 1.5511 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 16 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 17 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 17 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 17 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 18 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 18 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.222 max(relative change in state) = - n_iter = 2 J = 25.865 max(relative change in state) = 0.21996 n_iter = 3 J = 22.947 max(relative change in state) = 0.28405 n_iter = 4 J = 21.110 max(relative change in state) = 0.20695 n_iter = 5 J = 19.293 max(relative change in state) = 0.36879 n_iter = 6 J = 19.353 max(relative change in state) = 0.26967 n_iter = 7 J = 17.777 max(relative change in state) = 0.22417 n_iter = 8 J = 17.956 max(relative change in state) = 0.11390 n_iter = 9 J = 16.434 max(relative change in state) = 0.23416 n_iter = 10 J = 15.949 max(relative change in state) = 0.94329E-01 n_iter = 11 J = 16.204 max(relative change in state) = 0.28453 n_iter = 12 J = 15.056 max(relative change in state) = 0.24493 n_iter = 13 J = 14.605 max(relative change in state) = 0.17621 n_iter = 14 J = 14.409 max(relative change in state) = 0.58265E-01 n_iter = 15 J = 14.074 max(relative change in state) = 0.13793 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 18 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 19 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 19 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 129.35 max(relative change in state) = - n_iter = 2 J = 109.97 max(relative change in state) = 0.45938 n_iter = 3 J = 92.662 max(relative change in state) = 0.77968 n_iter = 4 J = 70.586 max(relative change in state) = 1.6128 n_iter = 5 J = 78.569 max(relative change in state) = 2.4886 n_iter = 6 J = 61.045 max(relative change in state) = 1.0291 n_iter = 7 J = 59.265 max(relative change in state) = 0.30732 n_iter = 8 J = 58.555 max(relative change in state) = 0.11861 n_iter = 9 J = 58.228 max(relative change in state) = 0.63341E-01 n_iter = 10 J = 57.591 max(relative change in state) = 0.21758 n_iter = 11 J = 57.248 max(relative change in state) = 0.22844 n_iter = 12 J = 57.106 max(relative change in state) = 0.10666 n_iter = 13 J = 57.050 max(relative change in state) = 0.59979E-01 n_iter = 14 J = 57.036 max(relative change in state) = 0.87383E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 19 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 20 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 20 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 20 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 21 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 21 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 21 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 22 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 22 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 22 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 23 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 23 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 1310.3 max(relative change in state) = - n_iter = 2 J = 6636.6 max(relative change in state) = 64.527 n_iter = 3 J = 1123.7 max(relative change in state) = 55.131 n_iter = 4 J = 1126.4 max(relative change in state) = 2.3723 n_iter = 5 J = 1119.6 max(relative change in state) = 1.3017 n_iter = 6 J = 1118.7 max(relative change in state) = 0.50634 n_iter = 7 J = 1118.1 max(relative change in state) = 0.39340 n_iter = 8 J = 1117.3 max(relative change in state) = 0.25090 n_iter = 9 J = 1115.2 max(relative change in state) = 0.44164 n_iter = 10 J = 1115.0 max(relative change in state) = 0.30393 n_iter = 11 J = 1114.4 max(relative change in state) = 0.61530E-01 n_iter = 12 J = 1114.3 max(relative change in state) = 0.11204 n_iter = 13 J = 1114.1 max(relative change in state) = 0.15060 n_iter = 14 J = 1114.0 max(relative change in state) = 0.21447 n_iter = 15 J = 1114.0 max(relative change in state) = 0.22905 n_iter = 16 J = 1113.9 max(relative change in state) = 0.12218 n_iter = 17 J = 1113.9 max(relative change in state) = 0.37884E-01 n_iter = 18 J = 1113.8 max(relative change in state) = 0.57363E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 23 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 24 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 24 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 24 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 25 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 25 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 68.095 max(relative change in state) = - n_iter = 2 J = 58.121 max(relative change in state) = 0.95975 n_iter = 3 J = 53.359 max(relative change in state) = 0.97423 n_iter = 4 J = 55.282 max(relative change in state) = 1.1111 n_iter = 5 J = 53.196 max(relative change in state) = 0.88713 n_iter = 6 J = 53.147 max(relative change in state) = 0.41049E-01 n_iter = 7 J = 52.981 max(relative change in state) = 0.15735 n_iter = 8 J = 52.965 max(relative change in state) = 0.14407 n_iter = 9 J = 52.940 max(relative change in state) = 0.79691E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 25 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 26 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 26 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 154.72 max(relative change in state) = - n_iter = 2 J = 162.72 max(relative change in state) = 4.3885 n_iter = 3 J = 139.17 max(relative change in state) = 2.4540 n_iter = 4 J = 139.31 max(relative change in state) = 0.46519 n_iter = 5 J = 139.09 max(relative change in state) = 0.31049 n_iter = 6 J = 139.07 max(relative change in state) = 0.53946E-01 n_iter = 7 J = 139.06 max(relative change in state) = 0.90518E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 26 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 27 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 27 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.083 max(relative change in state) = - n_iter = 2 J = 28.928 max(relative change in state) = 0.95308 n_iter = 3 J = 28.237 max(relative change in state) = 0.47600 n_iter = 4 J = 31.019 max(relative change in state) = 1.1817 n_iter = 5 J = 28.184 max(relative change in state) = 1.0168 n_iter = 6 J = 28.180 max(relative change in state) = 0.67702E-02 n_iter = 7 J = 28.151 max(relative change in state) = 0.83612E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 27 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 28 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 28 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.916 max(relative change in state) = - n_iter = 2 J = 79.595 max(relative change in state) = 1.0680 n_iter = 3 J = 72.860 max(relative change in state) = 1.1780 n_iter = 4 J = 76.128 max(relative change in state) = 1.3286 n_iter = 5 J = 72.744 max(relative change in state) = 1.1441 n_iter = 6 J = 72.706 max(relative change in state) = 0.17546E-01 n_iter = 7 J = 72.513 max(relative change in state) = 0.32369 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 28 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 29 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 29 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 315.76 max(relative change in state) = - n_iter = 2 J = 857.66 max(relative change in state) = 20.295 n_iter = 3 J = 272.35 max(relative change in state) = 14.737 n_iter = 4 J = 299.67 max(relative change in state) = 4.1103 n_iter = 5 J = 272.16 max(relative change in state) = 3.7722 n_iter = 6 J = 272.14 max(relative change in state) = 0.10684E-01 n_iter = 7 J = 272.03 max(relative change in state) = 0.24469 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 29 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 30 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 30 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.390 max(relative change in state) = - n_iter = 2 J = 37.682 max(relative change in state) = 0.57787 n_iter = 3 J = 33.476 max(relative change in state) = 1.1006 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 30 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 31 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 31 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 1003.3 max(relative change in state) = - n_iter = 2 J = 12886. max(relative change in state) = 68.893 n_iter = 3 J = 935.96 max(relative change in state) = 62.916 n_iter = 4 J = 935.52 max(relative change in state) = 0.47427 n_iter = 5 J = 935.42 max(relative change in state) = 0.28746 n_iter = 6 J = 935.30 max(relative change in state) = 0.12108 n_iter = 7 J = 935.29 max(relative change in state) = 0.16314E-01 n_iter = 8 J = 935.28 max(relative change in state) = 0.72559E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 31 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 32 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 32 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 62.306 max(relative change in state) = - n_iter = 2 J = 55.410 max(relative change in state) = 1.3480 n_iter = 3 J = 54.553 max(relative change in state) = 0.58445 n_iter = 4 J = 55.456 max(relative change in state) = 0.98626 n_iter = 5 J = 54.508 max(relative change in state) = 0.89729 n_iter = 6 J = 54.481 max(relative change in state) = 0.19474E-01 n_iter = 7 J = 54.483 max(relative change in state) = 0.14509 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 32 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 33 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 33 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.755 max(relative change in state) = - n_iter = 2 J = 23.471 max(relative change in state) = 0.65607 n_iter = 3 J = 22.390 max(relative change in state) = 0.57713 n_iter = 4 J = 24.503 max(relative change in state) = 1.0095 n_iter = 5 J = 22.344 max(relative change in state) = 0.94409 n_iter = 6 J = 22.310 max(relative change in state) = 0.23873E-01 n_iter = 7 J = 22.577 max(relative change in state) = 0.16241 n_iter = 8 J = 22.274 max(relative change in state) = 0.15453 n_iter = 9 J = 22.246 max(relative change in state) = 0.21838E-01 n_iter = 10 J = 22.272 max(relative change in state) = 0.68745E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 33 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 34 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 34 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 113.29 max(relative change in state) = - n_iter = 2 J = 101.55 max(relative change in state) = 2.0613 n_iter = 3 J = 98.314 max(relative change in state) = 1.2298 n_iter = 4 J = 100.10 max(relative change in state) = 1.0872 n_iter = 5 J = 98.200 max(relative change in state) = 0.88854 n_iter = 6 J = 98.175 max(relative change in state) = 0.16497E-01 n_iter = 7 J = 98.105 max(relative change in state) = 0.13820 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 34 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 35 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 35 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 675.11 max(relative change in state) = - n_iter = 2 J = 4986.9 max(relative change in state) = 42.487 n_iter = 3 J = 616.27 max(relative change in state) = 39.012 n_iter = 4 J = 646.30 max(relative change in state) = 3.9705 n_iter = 5 J = 615.90 max(relative change in state) = 3.5820 n_iter = 6 J = 615.80 max(relative change in state) = 0.26876E-01 n_iter = 7 J = 615.40 max(relative change in state) = 0.82040 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 35 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 36 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 36 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.012 max(relative change in state) = - n_iter = 2 J = 77.077 max(relative change in state) = 0.79050 n_iter = 3 J = 57.897 max(relative change in state) = 2.5200 n_iter = 4 J = 59.257 max(relative change in state) = 0.97916 n_iter = 5 J = 57.405 max(relative change in state) = 0.72446 n_iter = 6 J = 57.353 max(relative change in state) = 0.78388E-01 n_iter = 7 J = 57.225 max(relative change in state) = 0.19594 n_iter = 8 J = 57.079 max(relative change in state) = 0.96426E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 36 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 37 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 37 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 52.446 max(relative change in state) = - n_iter = 2 J = 48.716 max(relative change in state) = 0.19851 n_iter = 3 J = 43.555 max(relative change in state) = 0.51805 n_iter = 4 J = 41.065 max(relative change in state) = 0.75777 n_iter = 5 J = 39.820 max(relative change in state) = 0.47548 n_iter = 6 J = 38.938 max(relative change in state) = 0.17415 n_iter = 7 J = 38.938 max(relative change in state) = 0.31723 n_iter = 8 J = 38.061 max(relative change in state) = 0.15246 n_iter = 9 J = 37.746 max(relative change in state) = 0.79557E-01 n_iter = 10 J = 37.572 max(relative change in state) = 0.10095 n_iter = 11 J = 37.417 max(relative change in state) = 0.53627E-01 n_iter = 12 J = 37.298 max(relative change in state) = 0.99884E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 37 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 38 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 38 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 56.730 max(relative change in state) = - n_iter = 2 J = 48.013 max(relative change in state) = 0.74224 n_iter = 3 J = 41.937 max(relative change in state) = 1.4109 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 38 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 39 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 39 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 56.084 max(relative change in state) = - n_iter = 2 J = 47.346 max(relative change in state) = 0.86013 n_iter = 3 J = 42.752 max(relative change in state) = 1.4536 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 39 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 40 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 40 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 92.068 max(relative change in state) = - n_iter = 2 J = 78.180 max(relative change in state) = 0.91634 n_iter = 3 J = 71.687 max(relative change in state) = 1.4601 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 40 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 41 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 41 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 126.16 max(relative change in state) = - n_iter = 2 J = 122.83 max(relative change in state) = 0.21461 n_iter = 3 J = 115.46 max(relative change in state) = 0.54767 n_iter = 4 J = 121.15 max(relative change in state) = 3.1486 n_iter = 5 J = 115.77 max(relative change in state) = 0.92123 n_iter = 6 J = 116.79 max(relative change in state) = 0.79885 n_iter = 7 J = 113.32 max(relative change in state) = 0.36896 n_iter = 8 J = 112.05 max(relative change in state) = 0.14966 n_iter = 9 J = 110.74 max(relative change in state) = 0.15499 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 41 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 42 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 42 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 114.69 max(relative change in state) = - n_iter = 2 J = 97.485 max(relative change in state) = 1.3364 n_iter = 3 J = 90.445 max(relative change in state) = 1.7131 n_iter = 4 J = 92.191 max(relative change in state) = 0.97714 n_iter = 5 J = 90.411 max(relative change in state) = 0.87710 n_iter = 6 J = 90.398 max(relative change in state) = 0.10287E-01 n_iter = 7 J = 90.368 max(relative change in state) = 0.16719 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 42 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 43 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 43 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 81.193 max(relative change in state) = - n_iter = 2 J = 70.866 max(relative change in state) = 0.81413 n_iter = 3 J = 62.592 max(relative change in state) = 2.0047 n_iter = 4 J = 61.579 max(relative change in state) = 0.43921 n_iter = 5 J = 60.903 max(relative change in state) = 0.26550 n_iter = 6 J = 60.226 max(relative change in state) = 0.44783 n_iter = 7 J = 59.990 max(relative change in state) = 0.24368 n_iter = 8 J = 59.734 max(relative change in state) = 0.33680 n_iter = 9 J = 59.234 max(relative change in state) = 0.15662 n_iter = 10 J = 58.992 max(relative change in state) = 0.15227 n_iter = 11 J = 58.854 max(relative change in state) = 0.10929 n_iter = 12 J = 58.808 max(relative change in state) = 0.43622E-01 n_iter = 13 J = 58.759 max(relative change in state) = 0.62008E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 43 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 44 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 44 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 153.08 max(relative change in state) = - n_iter = 2 J = 132.61 max(relative change in state) = 3.2414 n_iter = 3 J = 128.31 max(relative change in state) = 0.82303 n_iter = 4 J = 137.29 max(relative change in state) = 2.1362 n_iter = 5 J = 127.85 max(relative change in state) = 1.7693 n_iter = 6 J = 127.77 max(relative change in state) = 0.27448E-01 n_iter = 7 J = 127.55 max(relative change in state) = 0.29261 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 44 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 45 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 45 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 56.570 max(relative change in state) = - n_iter = 2 J = 49.626 max(relative change in state) = 0.74768 n_iter = 3 J = 46.062 max(relative change in state) = 0.60412 n_iter = 4 J = 46.802 max(relative change in state) = 0.67033 n_iter = 5 J = 45.874 max(relative change in state) = 0.52677 n_iter = 6 J = 45.789 max(relative change in state) = 0.55810E-01 n_iter = 7 J = 45.659 max(relative change in state) = 0.11310 n_iter = 8 J = 45.575 max(relative change in state) = 0.11008 n_iter = 9 J = 45.501 max(relative change in state) = 0.44984E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 45 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 46 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 46 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.554 max(relative change in state) = - n_iter = 2 J = 30.451 max(relative change in state) = 0.77191 n_iter = 3 J = 25.162 max(relative change in state) = 1.5708 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 46 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 47 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 47 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 165.47 max(relative change in state) = - n_iter = 2 J = 137.45 max(relative change in state) = 3.9985 n_iter = 3 J = 130.88 max(relative change in state) = 1.2757 n_iter = 4 J = 131.03 max(relative change in state) = 0.65705 n_iter = 5 J = 130.33 max(relative change in state) = 0.38727 n_iter = 6 J = 130.27 max(relative change in state) = 0.14500 n_iter = 7 J = 130.25 max(relative change in state) = 0.75460E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 47 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 48 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 48 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.898 max(relative change in state) = - n_iter = 2 J = 35.105 max(relative change in state) = 0.75491 n_iter = 3 J = 33.152 max(relative change in state) = 0.49123 n_iter = 4 J = 33.702 max(relative change in state) = 0.64123 n_iter = 5 J = 32.553 max(relative change in state) = 0.55851 n_iter = 6 J = 32.510 max(relative change in state) = 0.43765E-01 n_iter = 7 J = 32.476 max(relative change in state) = 0.56806E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 48 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 49 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 49 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 88.458 max(relative change in state) = - n_iter = 2 J = 76.392 max(relative change in state) = 0.98364 n_iter = 3 J = 71.828 max(relative change in state) = 1.3756 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 49 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 50 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 50 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 20.824 max(relative change in state) = - n_iter = 2 J = 17.609 max(relative change in state) = 0.50185 n_iter = 3 J = 15.703 max(relative change in state) = 0.81115 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 50 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 51 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 51 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 51 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 52 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 52 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 13.294 max(relative change in state) = - n_iter = 2 J = 11.247 max(relative change in state) = 0.48078 n_iter = 3 J = 10.173 max(relative change in state) = 0.47734 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 52 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 53 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 53 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 124.46 max(relative change in state) = - n_iter = 2 J = 115.31 max(relative change in state) = 2.3965 n_iter = 3 J = 113.50 max(relative change in state) = 0.70946 n_iter = 4 J = 116.87 max(relative change in state) = 1.2805 n_iter = 5 J = 113.45 max(relative change in state) = 1.1310 n_iter = 6 J = 113.45 max(relative change in state) = 0.70625E-02 n_iter = 7 J = 113.44 max(relative change in state) = 0.41927E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 53 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 54 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 54 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 4 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 376.69 max(relative change in state) = - n_iter = 2 J = 913.70 max(relative change in state) = 21.393 n_iter = 3 J = 314.60 max(relative change in state) = 14.999 n_iter = 4 J = 314.15 max(relative change in state) = 0.64400 n_iter = 5 J = 316.04 max(relative change in state) = 0.78280 n_iter = 6 J = 313.81 max(relative change in state) = 0.55511 n_iter = 7 J = 313.75 max(relative change in state) = 0.18341E-01 n_iter = 8 J = 313.45 max(relative change in state) = 0.25439 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 54 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 55 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 55 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 34.264 max(relative change in state) = - n_iter = 2 J = 29.014 max(relative change in state) = 0.66636 n_iter = 3 J = 26.416 max(relative change in state) = 0.94221 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 55 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 56 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 56 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.712 max(relative change in state) = - n_iter = 2 J = 33.462 max(relative change in state) = 0.55802 n_iter = 3 J = 29.704 max(relative change in state) = 1.0775 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 56 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 57 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 57 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 85.385 max(relative change in state) = - n_iter = 2 J = 73.103 max(relative change in state) = 1.0798 n_iter = 3 J = 69.020 max(relative change in state) = 0.97055 n_iter = 4 J = 73.870 max(relative change in state) = 1.5998 n_iter = 5 J = 68.965 max(relative change in state) = 1.4469 n_iter = 6 J = 68.952 max(relative change in state) = 0.11495E-01 n_iter = 7 J = 68.872 max(relative change in state) = 0.25729 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 57 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 58 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 58 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 58.789 max(relative change in state) = - n_iter = 2 J = 51.303 max(relative change in state) = 1.1926 n_iter = 3 J = 49.447 max(relative change in state) = 0.85594 n_iter = 4 J = 56.053 max(relative change in state) = 1.8968 n_iter = 5 J = 49.308 max(relative change in state) = 1.6604 n_iter = 6 J = 49.282 max(relative change in state) = 0.27839E-01 n_iter = 7 J = 49.213 max(relative change in state) = 0.32012 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 58 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 59 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 59 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.431 max(relative change in state) = - n_iter = 2 J = 38.210 max(relative change in state) = 0.42252 n_iter = 3 J = 32.259 max(relative change in state) = 0.90703 n_iter = 4 J = 34.753 max(relative change in state) = 1.2050 n_iter = 5 J = 32.015 max(relative change in state) = 1.0520 n_iter = 6 J = 31.854 max(relative change in state) = 0.46631E-01 n_iter = 7 J = 31.688 max(relative change in state) = 0.18029 n_iter = 8 J = 31.376 max(relative change in state) = 0.13550 n_iter = 9 J = 31.145 max(relative change in state) = 0.13995 n_iter = 10 J = 30.916 max(relative change in state) = 0.20611 n_iter = 11 J = 30.757 max(relative change in state) = 0.12042 n_iter = 12 J = 30.561 max(relative change in state) = 0.19339 n_iter = 13 J = 30.505 max(relative change in state) = 0.24227 n_iter = 14 J = 30.472 max(relative change in state) = 0.56635E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 59 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 60 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 60 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 57.646 max(relative change in state) = - n_iter = 2 J = 49.203 max(relative change in state) = 1.0826 n_iter = 3 J = 45.574 max(relative change in state) = 1.0049 n_iter = 4 J = 46.252 max(relative change in state) = 0.65850 n_iter = 5 J = 45.435 max(relative change in state) = 0.48480 n_iter = 6 J = 45.397 max(relative change in state) = 0.54781E-01 n_iter = 7 J = 45.320 max(relative change in state) = 0.13493 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 60 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 61 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 61 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 62.619 max(relative change in state) = - n_iter = 2 J = 51.673 max(relative change in state) = 0.35610 n_iter = 3 J = 41.098 max(relative change in state) = 0.53678 n_iter = 4 J = 35.969 max(relative change in state) = 0.47770 n_iter = 5 J = 32.929 max(relative change in state) = 0.62231 n_iter = 6 J = 31.564 max(relative change in state) = 0.57190 n_iter = 7 J = 31.049 max(relative change in state) = 0.18009 n_iter = 8 J = 30.677 max(relative change in state) = 0.27437 n_iter = 9 J = 30.535 max(relative change in state) = 0.14354 n_iter = 10 J = 30.496 max(relative change in state) = 0.21026E-01 n_iter = 11 J = 30.421 max(relative change in state) = 0.67749E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 61 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 62 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 62 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 62 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 63 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 63 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 11.000 max(relative change in state) = - n_iter = 2 J = 9.2261 max(relative change in state) = 0.40244 n_iter = 3 J = 8.0045 max(relative change in state) = 0.60584 n_iter = 4 J = 9.3949 max(relative change in state) = 0.97133 n_iter = 5 J = 7.9912 max(relative change in state) = 0.87920 n_iter = 6 J = 7.9896 max(relative change in state) = 0.45077E-02 n_iter = 7 J = 7.9910 max(relative change in state) = 0.14209 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 63 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 64 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 64 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 82.638 max(relative change in state) = - n_iter = 2 J = 75.685 max(relative change in state) = 0.40378 n_iter = 3 J = 67.190 max(relative change in state) = 0.85634 n_iter = 4 J = 63.578 max(relative change in state) = 0.82455 n_iter = 5 J = 62.536 max(relative change in state) = 0.43589 n_iter = 6 J = 63.303 max(relative change in state) = 0.35529 n_iter = 7 J = 61.787 max(relative change in state) = 0.24814 n_iter = 8 J = 60.995 max(relative change in state) = 0.14716 n_iter = 9 J = 60.532 max(relative change in state) = 0.15401 n_iter = 10 J = 60.269 max(relative change in state) = 0.28763 n_iter = 11 J = 59.848 max(relative change in state) = 0.12725 n_iter = 12 J = 59.412 max(relative change in state) = 0.14325 n_iter = 13 J = 59.184 max(relative change in state) = 0.15900 n_iter = 14 J = 59.132 max(relative change in state) = 0.20030 n_iter = 15 J = 58.964 max(relative change in state) = 0.39607E-01 n_iter = 16 J = 58.883 max(relative change in state) = 0.37689E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 64 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 65 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 65 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.206 max(relative change in state) = - n_iter = 2 J = 14.484 max(relative change in state) = 0.39787 n_iter = 3 J = 12.744 max(relative change in state) = 0.71379 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 65 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 66 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 66 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 116.39 max(relative change in state) = - n_iter = 2 J = 97.487 max(relative change in state) = 1.3360 n_iter = 3 J = 84.211 max(relative change in state) = 2.1295 n_iter = 4 J = 101.21 max(relative change in state) = 2.9980 n_iter = 5 J = 84.088 max(relative change in state) = 2.7369 n_iter = 6 J = 84.077 max(relative change in state) = 0.96232E-02 n_iter = 7 J = 83.942 max(relative change in state) = 0.15227 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 66 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 67 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 67 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 67 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 68 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 68 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 79.007 max(relative change in state) = - n_iter = 2 J = 67.317 max(relative change in state) = 1.2119 n_iter = 3 J = 62.410 max(relative change in state) = 1.2346 n_iter = 4 J = 62.311 max(relative change in state) = 0.30124 n_iter = 5 J = 62.232 max(relative change in state) = 0.32441 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 68 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 69 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 69 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 489.45 max(relative change in state) = - n_iter = 2 J = 658.38 max(relative change in state) = 15.949 n_iter = 3 J = 397.55 max(relative change in state) = 11.236 n_iter = 4 J = 396.64 max(relative change in state) = 1.4227 n_iter = 5 J = 393.39 max(relative change in state) = 1.5131 n_iter = 6 J = 391.25 max(relative change in state) = 0.32945 n_iter = 7 J = 390.62 max(relative change in state) = 0.17971 n_iter = 8 J = 389.85 max(relative change in state) = 0.19812 n_iter = 9 J = 390.06 max(relative change in state) = 0.50086 n_iter = 10 J = 388.91 max(relative change in state) = 0.23092 n_iter = 11 J = 388.82 max(relative change in state) = 0.32731E-01 n_iter = 12 J = 388.58 max(relative change in state) = 0.14034 n_iter = 13 J = 388.35 max(relative change in state) = 0.12071 n_iter = 14 J = 388.04 max(relative change in state) = 0.27031 n_iter = 15 J = 387.96 max(relative change in state) = 0.16555 n_iter = 16 J = 387.94 max(relative change in state) = 0.11051 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 69 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 70 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 70 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.185 max(relative change in state) = - n_iter = 2 J = 26.277 max(relative change in state) = 0.61918 n_iter = 3 J = 23.223 max(relative change in state) = 0.92376 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 70 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 71 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 71 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 108.37 max(relative change in state) = - n_iter = 2 J = 91.519 max(relative change in state) = 1.1577 n_iter = 3 J = 82.158 max(relative change in state) = 1.2293 n_iter = 4 J = 82.335 max(relative change in state) = 0.47353 n_iter = 5 J = 81.793 max(relative change in state) = 0.25482 n_iter = 6 J = 81.737 max(relative change in state) = 0.12762 n_iter = 7 J = 81.726 max(relative change in state) = 0.47627E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 71 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 72 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 72 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.309 max(relative change in state) = - n_iter = 2 J = 32.649 max(relative change in state) = 0.63089 n_iter = 3 J = 25.939 max(relative change in state) = 1.1916 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 72 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 73 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 73 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 32.811 max(relative change in state) = - n_iter = 2 J = 27.417 max(relative change in state) = 0.69988 n_iter = 3 J = 22.903 max(relative change in state) = 1.1452 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 73 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 74 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 74 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 54.026 max(relative change in state) = - n_iter = 2 J = 45.082 max(relative change in state) = 0.81688 n_iter = 3 J = 37.786 max(relative change in state) = 1.3729 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 74 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 75 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 75 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 88.770 max(relative change in state) = - n_iter = 2 J = 76.465 max(relative change in state) = 1.5800 n_iter = 3 J = 73.191 max(relative change in state) = 1.2139 n_iter = 4 J = 78.603 max(relative change in state) = 1.9518 n_iter = 5 J = 73.145 max(relative change in state) = 1.7917 n_iter = 6 J = 73.134 max(relative change in state) = 0.11882E-01 n_iter = 7 J = 73.265 max(relative change in state) = 0.32114 n_iter = 8 J = 73.066 max(relative change in state) = 0.16898 n_iter = 9 J = 73.062 max(relative change in state) = 0.16589E-01 n_iter = 10 J = 73.062 max(relative change in state) = 0.42239E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 75 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 76 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 76 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 263.71 max(relative change in state) = - n_iter = 2 J = 1149.9 max(relative change in state) = 17.268 n_iter = 3 J = 244.65 max(relative change in state) = 14.374 n_iter = 4 J = 297.87 max(relative change in state) = 5.3026 n_iter = 5 J = 244.37 max(relative change in state) = 4.9020 n_iter = 6 J = 244.36 max(relative change in state) = 0.15721E-01 n_iter = 7 J = 244.22 max(relative change in state) = 0.14823 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 76 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 77 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 77 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.909 max(relative change in state) = - n_iter = 2 J = 29.937 max(relative change in state) = 0.74994 n_iter = 3 J = 24.801 max(relative change in state) = 1.6372 n_iter = 4 J = 29.551 max(relative change in state) = 1.5084 n_iter = 5 J = 24.782 max(relative change in state) = 1.4090 n_iter = 6 J = 24.779 max(relative change in state) = 0.45502E-02 n_iter = 7 J = 24.754 max(relative change in state) = 0.85234E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 77 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 78 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 78 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 453.20 max(relative change in state) = - n_iter = 2 J = 2992.6 max(relative change in state) = 36.011 n_iter = 3 J = 416.01 max(relative change in state) = 32.671 n_iter = 4 J = 416.59 max(relative change in state) = 0.93017 n_iter = 5 J = 415.64 max(relative change in state) = 0.61779 n_iter = 6 J = 415.57 max(relative change in state) = 0.11080 n_iter = 7 J = 415.48 max(relative change in state) = 0.19536 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 78 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 79 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 79 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 49.019 max(relative change in state) = - n_iter = 2 J = 40.800 max(relative change in state) = 0.85950 n_iter = 3 J = 31.737 max(relative change in state) = 2.0261 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 79 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 80 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 80 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 323.22 max(relative change in state) = - n_iter = 2 J = 520.04 max(relative change in state) = 11.792 n_iter = 3 J = 287.42 max(relative change in state) = 8.4481 n_iter = 4 J = 287.93 max(relative change in state) = 0.64257 n_iter = 5 J = 287.11 max(relative change in state) = 0.49549 n_iter = 6 J = 286.96 max(relative change in state) = 0.15757 n_iter = 7 J = 287.01 max(relative change in state) = 0.41716 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 80 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 81 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 81 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 90.854 max(relative change in state) = - n_iter = 2 J = 78.495 max(relative change in state) = 1.1199 n_iter = 3 J = 70.489 max(relative change in state) = 1.5009 n_iter = 4 J = 71.681 max(relative change in state) = 1.0528 n_iter = 5 J = 69.356 max(relative change in state) = 0.82115 n_iter = 6 J = 69.204 max(relative change in state) = 0.12957 n_iter = 7 J = 69.095 max(relative change in state) = 0.18458 n_iter = 8 J = 68.920 max(relative change in state) = 0.20836 n_iter = 9 J = 68.935 max(relative change in state) = 0.23994 n_iter = 10 J = 68.965 max(relative change in state) = 0.45737 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 81 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 82 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 82 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 96.133 max(relative change in state) = - n_iter = 2 J = 80.280 max(relative change in state) = 1.2116 n_iter = 3 J = 67.397 max(relative change in state) = 2.2395 n_iter = 4 J = 68.150 max(relative change in state) = 0.95889 n_iter = 5 J = 67.250 max(relative change in state) = 0.72883 n_iter = 6 J = 67.210 max(relative change in state) = 0.53833E-01 n_iter = 7 J = 67.077 max(relative change in state) = 0.21280 n_iter = 8 J = 66.999 max(relative change in state) = 0.90662E-01 n_iter = 9 J = 67.061 max(relative change in state) = 0.16126 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 82 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 83 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 83 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.771 max(relative change in state) = - n_iter = 2 J = 63.367 max(relative change in state) = 0.23401 n_iter = 3 J = 50.881 max(relative change in state) = 0.93803 n_iter = 4 J = 41.463 max(relative change in state) = 2.2267 n_iter = 5 J = 41.358 max(relative change in state) = 0.81251 n_iter = 6 J = 38.913 max(relative change in state) = 0.58631 n_iter = 7 J = 37.307 max(relative change in state) = 0.25122 n_iter = 8 J = 36.706 max(relative change in state) = 0.35033 n_iter = 9 J = 35.853 max(relative change in state) = 0.23589 n_iter = 10 J = 35.245 max(relative change in state) = 0.34544 n_iter = 11 J = 34.747 max(relative change in state) = 0.24288 n_iter = 12 J = 34.428 max(relative change in state) = 0.13262 n_iter = 13 J = 34.086 max(relative change in state) = 0.29085 n_iter = 14 J = 34.000 max(relative change in state) = 0.29340 n_iter = 15 J = 33.748 max(relative change in state) = 0.99185E-01 n_iter = 16 J = 33.646 max(relative change in state) = 0.77201E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 83 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 84 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 84 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 128.66 max(relative change in state) = - n_iter = 2 J = 123.89 max(relative change in state) = 0.22751 n_iter = 3 J = 104.50 max(relative change in state) = 2.7142 n_iter = 4 J = 104.35 max(relative change in state) = 0.37720 n_iter = 5 J = 99.914 max(relative change in state) = 0.79779 n_iter = 6 J = 101.60 max(relative change in state) = 0.40016 n_iter = 7 J = 99.435 max(relative change in state) = 0.56050 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 84 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 85 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 85 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 159.30 max(relative change in state) = - n_iter = 2 J = 150.10 max(relative change in state) = 0.56992 n_iter = 3 J = 128.78 max(relative change in state) = 2.1002 n_iter = 4 J = 128.92 max(relative change in state) = 0.45921 n_iter = 5 J = 125.15 max(relative change in state) = 0.32413 n_iter = 6 J = 120.93 max(relative change in state) = 0.46523 n_iter = 7 J = 118.47 max(relative change in state) = 0.27625 n_iter = 8 J = 117.60 max(relative change in state) = 0.17590 n_iter = 9 J = 116.89 max(relative change in state) = 0.19399 n_iter = 10 J = 115.99 max(relative change in state) = 0.83991 n_iter = 11 J = 115.84 max(relative change in state) = 0.18386 n_iter = 12 J = 115.35 max(relative change in state) = 0.13011 n_iter = 13 J = 115.27 max(relative change in state) = 0.27613E-01 n_iter = 14 J = 115.27 max(relative change in state) = 0.22141 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 85 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 86 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 86 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 44.613 max(relative change in state) = - n_iter = 2 J = 38.928 max(relative change in state) = 0.97645 n_iter = 3 J = 37.736 max(relative change in state) = 0.74007 n_iter = 4 J = 42.839 max(relative change in state) = 1.6147 n_iter = 5 J = 37.716 max(relative change in state) = 1.5134 n_iter = 6 J = 37.713 max(relative change in state) = 0.36957E-02 n_iter = 7 J = 37.687 max(relative change in state) = 0.88048E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 86 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 87 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 87 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 77.559 max(relative change in state) = - n_iter = 2 J = 67.007 max(relative change in state) = 1.1333 n_iter = 3 J = 62.607 max(relative change in state) = 1.0556 n_iter = 4 J = 65.046 max(relative change in state) = 1.1085 n_iter = 5 J = 62.198 max(relative change in state) = 0.89496 n_iter = 6 J = 62.152 max(relative change in state) = 0.72048E-01 n_iter = 7 J = 62.082 max(relative change in state) = 0.15651 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 87 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 88 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 88 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 103.86 max(relative change in state) = - n_iter = 2 J = 94.826 max(relative change in state) = 0.98759 n_iter = 3 J = 89.124 max(relative change in state) = 0.93002 n_iter = 4 J = 92.095 max(relative change in state) = 1.2082 n_iter = 5 J = 88.560 max(relative change in state) = 1.0261 n_iter = 6 J = 88.254 max(relative change in state) = 0.82606E-01 n_iter = 7 J = 88.137 max(relative change in state) = 0.17492 n_iter = 8 J = 87.626 max(relative change in state) = 0.11181 n_iter = 9 J = 87.528 max(relative change in state) = 0.29225 n_iter = 10 J = 87.233 max(relative change in state) = 0.15142 n_iter = 11 J = 87.133 max(relative change in state) = 0.10570 n_iter = 12 J = 87.030 max(relative change in state) = 0.12260 n_iter = 13 J = 86.986 max(relative change in state) = 0.20829 n_iter = 14 J = 86.914 max(relative change in state) = 0.31020E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 88 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 89 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 89 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 50.214 max(relative change in state) = - n_iter = 2 J = 45.664 max(relative change in state) = 0.23606 n_iter = 3 J = 35.216 max(relative change in state) = 1.1862 n_iter = 4 J = 39.672 max(relative change in state) = 1.7003 n_iter = 5 J = 33.627 max(relative change in state) = 1.3747 n_iter = 6 J = 32.844 max(relative change in state) = 0.20434 n_iter = 7 J = 32.657 max(relative change in state) = 0.36339 n_iter = 8 J = 31.301 max(relative change in state) = 0.30839 n_iter = 9 J = 30.575 max(relative change in state) = 0.43728 n_iter = 10 J = 30.413 max(relative change in state) = 0.23625 n_iter = 11 J = 29.919 max(relative change in state) = 0.10461 n_iter = 12 J = 29.645 max(relative change in state) = 0.70436E-01 n_iter = 13 J = 29.450 max(relative change in state) = 0.19732 n_iter = 14 J = 29.089 max(relative change in state) = 0.31698 n_iter = 15 J = 28.755 max(relative change in state) = 0.80782E-01 n_iter = 16 J = 28.552 max(relative change in state) = 0.12970 n_iter = 17 J = 28.355 max(relative change in state) = 0.14089 n_iter = 18 J = 28.158 max(relative change in state) = 0.15525 n_iter = 19 J = 28.035 max(relative change in state) = 0.21167 n_iter = 20 J = 27.983 max(relative change in state) = 0.82439E-01 n_iter = 21 J = 27.932 max(relative change in state) = 0.30911E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 21. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 89 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 90 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 90 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 46.126 max(relative change in state) = - n_iter = 2 J = 38.153 max(relative change in state) = 0.90421 n_iter = 3 J = 28.551 max(relative change in state) = 2.4837 n_iter = 4 J = 35.489 max(relative change in state) = 2.1481 n_iter = 5 J = 28.499 max(relative change in state) = 1.9611 n_iter = 6 J = 28.494 max(relative change in state) = 0.58022E-02 n_iter = 7 J = 28.464 max(relative change in state) = 0.17005 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 90 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 91 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 91 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 657.75 max(relative change in state) = - n_iter = 2 J = 4425.7 max(relative change in state) = 36.484 n_iter = 3 J = 603.01 max(relative change in state) = 31.682 n_iter = 4 J = 607.15 max(relative change in state) = 1.6333 n_iter = 5 J = 602.78 max(relative change in state) = 1.1412 n_iter = 6 J = 602.45 max(relative change in state) = 0.20857 n_iter = 7 J = 602.33 max(relative change in state) = 0.23778 n_iter = 8 J = 602.18 max(relative change in state) = 0.36674E-01 n_iter = 9 J = 601.71 max(relative change in state) = 0.51015 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 91 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 92 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 92 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 47.781 max(relative change in state) = - n_iter = 2 J = 39.772 max(relative change in state) = 0.70047 n_iter = 3 J = 32.491 max(relative change in state) = 1.4454 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 92 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 93 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 93 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 111.43 max(relative change in state) = - n_iter = 2 J = 95.675 max(relative change in state) = 1.4775 n_iter = 3 J = 88.439 max(relative change in state) = 1.6646 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 93 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 94 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 94 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 146.79 max(relative change in state) = - n_iter = 2 J = 124.14 max(relative change in state) = 3.3520 n_iter = 3 J = 122.98 max(relative change in state) = 0.56255 n_iter = 4 J = 127.68 max(relative change in state) = 1.7956 n_iter = 5 J = 122.90 max(relative change in state) = 1.5730 n_iter = 6 J = 122.89 max(relative change in state) = 0.12656E-01 n_iter = 7 J = 122.86 max(relative change in state) = 0.13964 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 94 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 95 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 95 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 95 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 96 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 96 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 77.881 max(relative change in state) = - n_iter = 2 J = 64.790 max(relative change in state) = 1.0462 n_iter = 3 J = 50.792 max(relative change in state) = 2.3763 n_iter = 4 J = 53.915 max(relative change in state) = 1.4248 n_iter = 5 J = 50.683 max(relative change in state) = 1.2346 n_iter = 6 J = 50.647 max(relative change in state) = 0.16272E-01 n_iter = 7 J = 50.539 max(relative change in state) = 0.30091 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 96 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 97 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 97 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 88.392 max(relative change in state) = - n_iter = 2 J = 72.563 max(relative change in state) = 0.77950 n_iter = 3 J = 47.507 max(relative change in state) = 3.3233 n_iter = 4 J = 47.744 max(relative change in state) = 0.59953 n_iter = 5 J = 47.308 max(relative change in state) = 0.38539 n_iter = 6 J = 47.280 max(relative change in state) = 0.87059E-01 n_iter = 7 J = 47.260 max(relative change in state) = 0.95071E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 97 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 98 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 98 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 76.943 max(relative change in state) = - n_iter = 2 J = 64.844 max(relative change in state) = 0.99709 n_iter = 3 J = 57.393 max(relative change in state) = 1.3438 n_iter = 4 J = 58.647 max(relative change in state) = 0.78023 n_iter = 5 J = 57.262 max(relative change in state) = 0.62376 n_iter = 6 J = 57.224 max(relative change in state) = 0.23118E-01 n_iter = 7 J = 57.052 max(relative change in state) = 0.23608 n_iter = 8 J = 57.073 max(relative change in state) = 0.19918 n_iter = 9 J = 57.041 max(relative change in state) = 0.12735 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 98 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 99 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 99 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 109.03 max(relative change in state) = - n_iter = 2 J = 89.400 max(relative change in state) = 0.57913 n_iter = 3 J = 80.194 max(relative change in state) = 0.65562 n_iter = 4 J = 82.596 max(relative change in state) = 0.56741 n_iter = 5 J = 75.723 max(relative change in state) = 1.0814 n_iter = 6 J = 71.688 max(relative change in state) = 1.3589 n_iter = 7 J = 57.022 max(relative change in state) = 0.66264 n_iter = 8 J = 51.828 max(relative change in state) = 0.39755 n_iter = 9 J = 48.255 max(relative change in state) = 0.54407 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 99 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 100 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 100 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 29.351 max(relative change in state) = - n_iter = 2 J = 25.478 max(relative change in state) = 0.93650 n_iter = 3 J = 24.580 max(relative change in state) = 0.33827 n_iter = 4 J = 28.001 max(relative change in state) = 1.3112 n_iter = 5 J = 24.501 max(relative change in state) = 1.1148 n_iter = 6 J = 24.495 max(relative change in state) = 0.53953E-02 n_iter = 7 J = 24.459 max(relative change in state) = 0.77512E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 100 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 101 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 101 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 30.972 max(relative change in state) = - n_iter = 2 J = 25.448 max(relative change in state) = 0.49098 n_iter = 3 J = 16.826 max(relative change in state) = 1.5497 n_iter = 4 J = 19.978 max(relative change in state) = 1.4544 n_iter = 5 J = 16.775 max(relative change in state) = 1.2828 n_iter = 6 J = 16.766 max(relative change in state) = 0.71932E-02 n_iter = 7 J = 16.802 max(relative change in state) = 0.25424 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 101 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 102 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 102 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.402 max(relative change in state) = - n_iter = 2 J = 30.093 max(relative change in state) = 0.43236 n_iter = 3 J = 22.795 max(relative change in state) = 1.2237 n_iter = 4 J = 22.640 max(relative change in state) = 0.25781 n_iter = 5 J = 22.580 max(relative change in state) = 0.23729 n_iter = 6 J = 22.544 max(relative change in state) = 0.35367E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 102 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 103 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 103 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 103 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 104 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 104 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.898 max(relative change in state) = - n_iter = 2 J = 33.798 max(relative change in state) = 1.0703 n_iter = 3 J = 33.425 max(relative change in state) = 0.36679 n_iter = 4 J = 33.601 max(relative change in state) = 0.20912 n_iter = 5 J = 33.424 max(relative change in state) = 0.14464 n_iter = 6 J = 33.416 max(relative change in state) = 0.28882E-01 n_iter = 7 J = 33.413 max(relative change in state) = 0.24631E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 104 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 105 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 105 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 29.779 max(relative change in state) = - n_iter = 2 J = 25.234 max(relative change in state) = 0.78095 n_iter = 3 J = 22.533 max(relative change in state) = 0.80804 n_iter = 4 J = 25.534 max(relative change in state) = 1.3737 n_iter = 5 J = 22.486 max(relative change in state) = 1.2272 n_iter = 6 J = 22.476 max(relative change in state) = 0.87628E-02 n_iter = 7 J = 22.455 max(relative change in state) = 0.14450 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 105 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 106 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 106 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.719 max(relative change in state) = - n_iter = 2 J = 35.999 max(relative change in state) = 0.29534 n_iter = 3 J = 26.157 max(relative change in state) = 0.53301 n_iter = 4 J = 20.368 max(relative change in state) = 0.53939 n_iter = 5 J = 19.509 max(relative change in state) = 0.21469 n_iter = 6 J = 19.451 max(relative change in state) = 0.35283 n_iter = 7 J = 18.936 max(relative change in state) = 0.17337 n_iter = 8 J = 18.892 max(relative change in state) = 0.69126E-01 n_iter = 9 J = 18.863 max(relative change in state) = 0.16000E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 106 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 107 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 107 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.737 max(relative change in state) = - n_iter = 2 J = 37.278 max(relative change in state) = 1.2218 n_iter = 3 J = 36.935 max(relative change in state) = 0.53709 n_iter = 4 J = 37.742 max(relative change in state) = 0.68993 n_iter = 5 J = 36.884 max(relative change in state) = 0.52401 n_iter = 6 J = 36.883 max(relative change in state) = 0.65769E-02 n_iter = 7 J = 36.882 max(relative change in state) = 0.17105E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 107 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 108 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 108 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 112.76 max(relative change in state) = - n_iter = 2 J = 93.639 max(relative change in state) = 1.3392 n_iter = 3 J = 74.891 max(relative change in state) = 3.0874 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 108 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 109 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 109 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 272.68 max(relative change in state) = - n_iter = 2 J = 595.56 max(relative change in state) = 16.974 n_iter = 3 J = 231.89 max(relative change in state) = 13.222 n_iter = 4 J = 237.23 max(relative change in state) = 1.9733 n_iter = 5 J = 231.47 max(relative change in state) = 1.5953 n_iter = 6 J = 231.35 max(relative change in state) = 0.32475E-01 n_iter = 7 J = 230.71 max(relative change in state) = 0.45053 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 109 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 110 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 110 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.129 max(relative change in state) = - n_iter = 2 J = 23.492 max(relative change in state) = 0.24669 n_iter = 3 J = 18.605 max(relative change in state) = 0.48922 n_iter = 4 J = 17.830 max(relative change in state) = 0.15162 n_iter = 5 J = 16.494 max(relative change in state) = 0.39265 n_iter = 6 J = 15.943 max(relative change in state) = 0.48956 n_iter = 7 J = 15.604 max(relative change in state) = 0.13253 n_iter = 8 J = 15.532 max(relative change in state) = 0.34190E-01 n_iter = 9 J = 15.463 max(relative change in state) = 0.58645E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 110 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 111 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 111 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.882 max(relative change in state) = - n_iter = 2 J = 24.527 max(relative change in state) = 0.38327 n_iter = 3 J = 21.584 max(relative change in state) = 0.77050 n_iter = 4 J = 23.306 max(relative change in state) = 1.0455 n_iter = 5 J = 21.377 max(relative change in state) = 0.87434 n_iter = 6 J = 21.307 max(relative change in state) = 0.49129E-01 n_iter = 7 J = 21.086 max(relative change in state) = 0.24755 n_iter = 8 J = 21.079 max(relative change in state) = 0.16751 n_iter = 9 J = 21.008 max(relative change in state) = 0.38647E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 111 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 112 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 112 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 47.049 max(relative change in state) = - n_iter = 2 J = 42.237 max(relative change in state) = 0.51995 n_iter = 3 J = 37.324 max(relative change in state) = 1.4105 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 112 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 113 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 113 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 148.92 max(relative change in state) = - n_iter = 2 J = 123.21 max(relative change in state) = 3.3336 n_iter = 3 J = 121.43 max(relative change in state) = 0.84035 n_iter = 4 J = 121.54 max(relative change in state) = 0.19874 n_iter = 5 J = 121.35 max(relative change in state) = 0.85148E-01 n_iter = 6 J = 121.34 max(relative change in state) = 0.93665E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 113 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 114 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 114 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 455.94 max(relative change in state) = - n_iter = 2 J = 1271.9 max(relative change in state) = 24.145 n_iter = 3 J = 377.10 max(relative change in state) = 17.760 n_iter = 4 J = 383.18 max(relative change in state) = 2.1116 n_iter = 5 J = 376.86 max(relative change in state) = 1.8024 n_iter = 6 J = 376.79 max(relative change in state) = 0.24494E-01 n_iter = 7 J = 376.70 max(relative change in state) = 0.48634 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 114 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 115 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 115 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 282.26 max(relative change in state) = - n_iter = 2 J = 799.05 max(relative change in state) = 19.212 n_iter = 3 J = 249.02 max(relative change in state) = 16.103 n_iter = 4 J = 255.91 max(relative change in state) = 1.5824 n_iter = 5 J = 248.94 max(relative change in state) = 1.4429 n_iter = 6 J = 248.92 max(relative change in state) = 0.11347E-01 n_iter = 7 J = 248.82 max(relative change in state) = 0.30237 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 115 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 116 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 116 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 107.84 max(relative change in state) = - n_iter = 2 J = 93.715 max(relative change in state) = 1.4413 n_iter = 3 J = 90.820 max(relative change in state) = 1.3472 n_iter = 4 J = 100.58 max(relative change in state) = 2.2542 n_iter = 5 J = 90.502 max(relative change in state) = 1.8446 n_iter = 6 J = 90.494 max(relative change in state) = 0.23142E-01 n_iter = 7 J = 90.465 max(relative change in state) = 0.10362 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 116 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 117 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 117 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 72.525 max(relative change in state) = - n_iter = 2 J = 63.396 max(relative change in state) = 0.85866 n_iter = 3 J = 60.431 max(relative change in state) = 1.1786 n_iter = 4 J = 60.496 max(relative change in state) = 0.27631 n_iter = 5 J = 60.241 max(relative change in state) = 0.22132 n_iter = 6 J = 60.140 max(relative change in state) = 0.14767 n_iter = 7 J = 59.959 max(relative change in state) = 0.22314 n_iter = 8 J = 60.000 max(relative change in state) = 0.45525 n_iter = 9 J = 59.819 max(relative change in state) = 0.23687 n_iter = 10 J = 59.805 max(relative change in state) = 0.74880E-01 n_iter = 11 J = 59.794 max(relative change in state) = 0.66533E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 117 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 118 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 118 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 72.126 max(relative change in state) = - n_iter = 2 J = 64.270 max(relative change in state) = 1.1649 n_iter = 3 J = 63.446 max(relative change in state) = 0.96385 n_iter = 4 J = 63.303 max(relative change in state) = 0.75046 n_iter = 5 J = 62.847 max(relative change in state) = 0.21591 n_iter = 6 J = 62.807 max(relative change in state) = 0.26951E-01 n_iter = 7 J = 62.678 max(relative change in state) = 0.16507 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 118 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 119 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 119 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 49.347 max(relative change in state) = - n_iter = 2 J = 42.982 max(relative change in state) = 0.94106 n_iter = 3 J = 41.672 max(relative change in state) = 1.0321 n_iter = 4 J = 43.671 max(relative change in state) = 1.2597 n_iter = 5 J = 41.323 max(relative change in state) = 0.83753 n_iter = 6 J = 41.296 max(relative change in state) = 0.21728E-01 n_iter = 7 J = 41.279 max(relative change in state) = 0.13164 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 119 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 120 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 120 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 67.766 max(relative change in state) = - n_iter = 2 J = 56.661 max(relative change in state) = 0.68917 n_iter = 3 J = 41.205 max(relative change in state) = 1.6437 n_iter = 4 J = 40.363 max(relative change in state) = 0.37485 n_iter = 5 J = 43.000 max(relative change in state) = 0.96342 n_iter = 6 J = 40.050 max(relative change in state) = 0.74853 n_iter = 7 J = 40.010 max(relative change in state) = 0.32256E-01 n_iter = 8 J = 39.936 max(relative change in state) = 0.18449 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 120 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 121 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 121 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.222 max(relative change in state) = - n_iter = 2 J = 34.815 max(relative change in state) = 0.57104 n_iter = 3 J = 30.306 max(relative change in state) = 1.1980 n_iter = 4 J = 32.894 max(relative change in state) = 1.3274 n_iter = 5 J = 30.256 max(relative change in state) = 1.1854 n_iter = 6 J = 30.241 max(relative change in state) = 0.13574E-01 n_iter = 7 J = 30.193 max(relative change in state) = 0.16534 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 121 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 122 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 122 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 761.35 max(relative change in state) = - n_iter = 2 J = 7805.0 max(relative change in state) = 60.148 n_iter = 3 J = 711.27 max(relative change in state) = 54.703 n_iter = 4 J = 734.24 max(relative change in state) = 3.1542 n_iter = 5 J = 710.84 max(relative change in state) = 2.8610 n_iter = 6 J = 710.67 max(relative change in state) = 0.38117E-01 n_iter = 7 J = 711.02 max(relative change in state) = 0.63509 n_iter = 8 J = 711.18 max(relative change in state) = 0.44321 n_iter = 9 J = 710.29 max(relative change in state) = 0.27410 n_iter = 10 J = 710.17 max(relative change in state) = 0.44161E-01 n_iter = 11 J = 710.04 max(relative change in state) = 0.17129 n_iter = 12 J = 709.82 max(relative change in state) = 0.79014E-01 n_iter = 13 J = 709.78 max(relative change in state) = 0.14610 n_iter = 14 J = 709.73 max(relative change in state) = 0.59135E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 122 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 123 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 123 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 44.754 max(relative change in state) = - n_iter = 2 J = 38.617 max(relative change in state) = 0.86037 n_iter = 3 J = 35.960 max(relative change in state) = 0.74837 n_iter = 4 J = 35.421 max(relative change in state) = 0.65665 n_iter = 5 J = 37.128 max(relative change in state) = 0.65954 n_iter = 6 J = 35.330 max(relative change in state) = 0.52561 n_iter = 7 J = 35.319 max(relative change in state) = 0.98490E-02 n_iter = 8 J = 35.312 max(relative change in state) = 0.14494 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 123 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 124 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 124 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 37.329 max(relative change in state) = - n_iter = 2 J = 32.276 max(relative change in state) = 0.52911 n_iter = 3 J = 25.588 max(relative change in state) = 1.2298 n_iter = 4 J = 26.866 max(relative change in state) = 0.83138 n_iter = 5 J = 25.359 max(relative change in state) = 0.71453 n_iter = 6 J = 25.203 max(relative change in state) = 0.57153E-01 n_iter = 7 J = 25.219 max(relative change in state) = 0.10523 n_iter = 8 J = 25.023 max(relative change in state) = 0.86208E-01 n_iter = 9 J = 24.863 max(relative change in state) = 0.15476 n_iter = 10 J = 24.793 max(relative change in state) = 0.12387 n_iter = 11 J = 24.720 max(relative change in state) = 0.91865E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 124 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 125 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 125 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 318.14 max(relative change in state) = - n_iter = 2 J = 569.87 max(relative change in state) = 14.314 n_iter = 3 J = 270.33 max(relative change in state) = 10.924 n_iter = 4 J = 278.47 max(relative change in state) = 2.2192 n_iter = 5 J = 268.08 max(relative change in state) = 1.7072 n_iter = 6 J = 267.78 max(relative change in state) = 0.22602 n_iter = 7 J = 267.31 max(relative change in state) = 0.29255 n_iter = 8 J = 266.84 max(relative change in state) = 0.30777 n_iter = 9 J = 266.73 max(relative change in state) = 0.24476 n_iter = 10 J = 266.33 max(relative change in state) = 0.42814E-01 n_iter = 11 J = 266.20 max(relative change in state) = 0.97996E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 125 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 126 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 126 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 101.84 max(relative change in state) = - n_iter = 2 J = 93.117 max(relative change in state) = 0.93976 n_iter = 3 J = 88.482 max(relative change in state) = 0.95145 n_iter = 4 J = 88.014 max(relative change in state) = 0.38159 n_iter = 5 J = 87.468 max(relative change in state) = 0.16928 n_iter = 6 J = 87.293 max(relative change in state) = 0.14266 n_iter = 7 J = 87.259 max(relative change in state) = 0.13985 n_iter = 8 J = 87.127 max(relative change in state) = 0.58455E-01 n_iter = 9 J = 87.043 max(relative change in state) = 0.37752E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 126 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 127 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 127 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 85.326 max(relative change in state) = - n_iter = 2 J = 70.665 max(relative change in state) = 0.87044 n_iter = 3 J = 53.874 max(relative change in state) = 2.1559 n_iter = 4 J = 58.942 max(relative change in state) = 1.7491 n_iter = 5 J = 53.723 max(relative change in state) = 1.5074 n_iter = 6 J = 53.678 max(relative change in state) = 0.21791E-01 n_iter = 7 J = 53.347 max(relative change in state) = 0.49362 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 127 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 128 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 128 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 55.765 max(relative change in state) = - n_iter = 2 J = 50.996 max(relative change in state) = 0.15877 n_iter = 3 J = 48.880 max(relative change in state) = 0.11583 n_iter = 4 J = 43.940 max(relative change in state) = 0.46763 n_iter = 5 J = 43.806 max(relative change in state) = 0.12507 n_iter = 6 J = 42.364 max(relative change in state) = 0.33746 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 128 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 129 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 129 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 260.62 max(relative change in state) = - n_iter = 2 J = 551.52 max(relative change in state) = 13.252 n_iter = 3 J = 232.58 max(relative change in state) = 9.3926 n_iter = 4 J = 232.17 max(relative change in state) = 0.43009 n_iter = 5 J = 231.49 max(relative change in state) = 0.21326 n_iter = 6 J = 231.27 max(relative change in state) = 0.18064 n_iter = 7 J = 231.02 max(relative change in state) = 0.32533 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 129 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 130 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 130 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 304.33 max(relative change in state) = - n_iter = 2 J = 338.86 max(relative change in state) = 5.7548 n_iter = 3 J = 278.57 max(relative change in state) = 2.8413 n_iter = 4 J = 277.38 max(relative change in state) = 0.58552 n_iter = 5 J = 274.85 max(relative change in state) = 0.22365 n_iter = 6 J = 272.61 max(relative change in state) = 0.50712 n_iter = 7 J = 274.57 max(relative change in state) = 0.23740 n_iter = 8 J = 272.43 max(relative change in state) = 0.19750 n_iter = 9 J = 272.37 max(relative change in state) = 0.25183E-01 n_iter = 10 J = 272.42 max(relative change in state) = 0.29924 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 130 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 131 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 131 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 56.819 max(relative change in state) = - n_iter = 2 J = 50.489 max(relative change in state) = 1.3367 n_iter = 3 J = 49.922 max(relative change in state) = 0.37990 n_iter = 4 J = 50.000 max(relative change in state) = 0.16781 n_iter = 5 J = 49.906 max(relative change in state) = 0.11615 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 131 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 132 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 132 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.868 max(relative change in state) = - n_iter = 2 J = 31.148 max(relative change in state) = 1.0727 n_iter = 3 J = 30.344 max(relative change in state) = 0.70525 n_iter = 4 J = 31.500 max(relative change in state) = 0.88338 n_iter = 5 J = 30.198 max(relative change in state) = 0.60706 n_iter = 6 J = 30.193 max(relative change in state) = 0.17645E-01 n_iter = 7 J = 30.186 max(relative change in state) = 0.73793E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 132 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 133 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 133 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 199.11 max(relative change in state) = - n_iter = 2 J = 180.43 max(relative change in state) = 0.64068 n_iter = 3 J = 137.47 max(relative change in state) = 2.6253 n_iter = 4 J = 151.94 max(relative change in state) = 0.90568 n_iter = 5 J = 133.22 max(relative change in state) = 0.94908 n_iter = 6 J = 122.18 max(relative change in state) = 0.83954 n_iter = 7 J = 118.45 max(relative change in state) = 0.90442 n_iter = 8 J = 112.27 max(relative change in state) = 0.48736 n_iter = 9 J = 110.01 max(relative change in state) = 0.17963 n_iter = 10 J = 110.57 max(relative change in state) = 0.37671 n_iter = 11 J = 107.66 max(relative change in state) = 0.18750 n_iter = 12 J = 106.26 max(relative change in state) = 0.15983 n_iter = 13 J = 104.86 max(relative change in state) = 0.15111 n_iter = 14 J = 103.64 max(relative change in state) = 0.19437 n_iter = 15 J = 102.77 max(relative change in state) = 0.16640 n_iter = 16 J = 101.90 max(relative change in state) = 0.12127 n_iter = 17 J = 101.54 max(relative change in state) = 0.21964 n_iter = 18 J = 100.38 max(relative change in state) = 0.17303 n_iter = 19 J = 99.678 max(relative change in state) = 0.19349 n_iter = 20 J = 99.044 max(relative change in state) = 0.28022 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 21. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 133 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 134 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 134 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 110.92 max(relative change in state) = - n_iter = 2 J = 101.24 max(relative change in state) = 1.5736 n_iter = 3 J = 100.02 max(relative change in state) = 0.88232 n_iter = 4 J = 102.05 max(relative change in state) = 1.0293 n_iter = 5 J = 99.839 max(relative change in state) = 0.90325 n_iter = 6 J = 99.742 max(relative change in state) = 0.43508E-01 n_iter = 7 J = 99.573 max(relative change in state) = 0.18270 n_iter = 8 J = 99.478 max(relative change in state) = 0.14203 n_iter = 9 J = 99.414 max(relative change in state) = 0.54045E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 134 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 135 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 135 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 141.31 max(relative change in state) = - n_iter = 2 J = 127.99 max(relative change in state) = 0.82408 n_iter = 3 J = 114.82 max(relative change in state) = 2.9226 n_iter = 4 J = 115.64 max(relative change in state) = 0.84702 n_iter = 5 J = 114.06 max(relative change in state) = 0.67604 n_iter = 6 J = 113.53 max(relative change in state) = 0.96029E-01 n_iter = 7 J = 113.12 max(relative change in state) = 0.51978 n_iter = 8 J = 112.86 max(relative change in state) = 0.85514 n_iter = 9 J = 112.33 max(relative change in state) = 0.30427 n_iter = 10 J = 112.33 max(relative change in state) = 0.26324 n_iter = 11 J = 111.97 max(relative change in state) = 0.17199 n_iter = 12 J = 111.92 max(relative change in state) = 0.14482 n_iter = 13 J = 111.59 max(relative change in state) = 0.79756E-01 n_iter = 14 J = 111.65 max(relative change in state) = 0.46441 n_iter = 15 J = 111.01 max(relative change in state) = 0.28613 n_iter = 16 J = 110.57 max(relative change in state) = 0.27051 n_iter = 17 J = 110.47 max(relative change in state) = 0.12313 n_iter = 18 J = 110.19 max(relative change in state) = 0.87533E-01 n_iter = 19 J = 110.13 max(relative change in state) = 0.36361 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 20. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 135 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 136 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 136 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 63.414 max(relative change in state) = - n_iter = 2 J = 55.217 max(relative change in state) = 1.1069 n_iter = 3 J = 52.618 max(relative change in state) = 0.94390 n_iter = 4 J = 52.754 max(relative change in state) = 0.52464 n_iter = 5 J = 52.149 max(relative change in state) = 0.37394 n_iter = 6 J = 52.108 max(relative change in state) = 0.81435E-01 n_iter = 7 J = 52.030 max(relative change in state) = 0.12420 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 136 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 137 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 137 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 137 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 138 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 138 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 134.87 max(relative change in state) = - n_iter = 2 J = 118.59 max(relative change in state) = 1.8635 n_iter = 3 J = 116.38 max(relative change in state) = 1.2877 n_iter = 4 J = 123.24 max(relative change in state) = 1.9668 n_iter = 5 J = 116.34 max(relative change in state) = 1.8333 n_iter = 6 J = 116.33 max(relative change in state) = 0.67949E-02 n_iter = 7 J = 116.31 max(relative change in state) = 0.14696 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 138 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 139 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 139 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 13.453 max(relative change in state) = - n_iter = 2 J = 11.279 max(relative change in state) = 0.44812 n_iter = 3 J = 9.9682 max(relative change in state) = 0.75892 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 139 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 140 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 140 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 40.760 max(relative change in state) = - n_iter = 2 J = 34.672 max(relative change in state) = 0.88184 n_iter = 3 J = 32.011 max(relative change in state) = 0.91846 n_iter = 4 J = 36.383 max(relative change in state) = 1.6498 n_iter = 5 J = 31.957 max(relative change in state) = 1.4800 n_iter = 6 J = 31.949 max(relative change in state) = 0.10141E-01 n_iter = 7 J = 31.932 max(relative change in state) = 0.24127 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 140 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 141 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 141 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.208 max(relative change in state) = - n_iter = 2 J = 33.313 max(relative change in state) = 0.75835 n_iter = 3 J = 31.541 max(relative change in state) = 0.93666 n_iter = 4 J = 32.392 max(relative change in state) = 1.2699 n_iter = 5 J = 30.902 max(relative change in state) = 0.64582 n_iter = 6 J = 30.877 max(relative change in state) = 0.30673E-01 n_iter = 7 J = 30.802 max(relative change in state) = 0.15443 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 141 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 142 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 142 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 66.551 max(relative change in state) = - n_iter = 2 J = 55.848 max(relative change in state) = 1.0089 n_iter = 3 J = 48.370 max(relative change in state) = 1.6015 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 142 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 143 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 143 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 68.872 max(relative change in state) = - n_iter = 2 J = 58.574 max(relative change in state) = 1.0550 n_iter = 3 J = 54.355 max(relative change in state) = 0.89596 n_iter = 4 J = 61.910 max(relative change in state) = 2.2188 n_iter = 5 J = 54.297 max(relative change in state) = 2.0275 n_iter = 6 J = 54.290 max(relative change in state) = 0.71252E-02 n_iter = 7 J = 54.269 max(relative change in state) = 0.19481 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 143 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 144 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 144 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 106.30 max(relative change in state) = - n_iter = 2 J = 90.227 max(relative change in state) = 1.4419 n_iter = 3 J = 82.162 max(relative change in state) = 1.6621 n_iter = 4 J = 83.618 max(relative change in state) = 1.2173 n_iter = 5 J = 82.011 max(relative change in state) = 0.98515 n_iter = 6 J = 81.975 max(relative change in state) = 0.46970E-01 n_iter = 7 J = 81.879 max(relative change in state) = 0.17928 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 144 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 145 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 145 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 44.809 max(relative change in state) = - n_iter = 2 J = 38.122 max(relative change in state) = 1.1385 n_iter = 3 J = 35.635 max(relative change in state) = 1.1225 n_iter = 4 J = 37.710 max(relative change in state) = 1.1545 n_iter = 5 J = 35.614 max(relative change in state) = 1.0475 n_iter = 6 J = 35.610 max(relative change in state) = 0.44332E-02 n_iter = 7 J = 35.602 max(relative change in state) = 0.14777 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 145 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 146 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 146 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 22.549 max(relative change in state) = - n_iter = 2 J = 18.802 max(relative change in state) = 0.51094 n_iter = 3 J = 14.708 max(relative change in state) = 1.2920 n_iter = 4 J = 14.564 max(relative change in state) = 0.14140 n_iter = 5 J = 14.699 max(relative change in state) = 0.40209 n_iter = 6 J = 14.464 max(relative change in state) = 0.25553 n_iter = 7 J = 14.448 max(relative change in state) = 0.38710E-01 n_iter = 8 J = 14.392 max(relative change in state) = 0.97628E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 146 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 147 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 147 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 364.90 max(relative change in state) = - n_iter = 2 J = 1029.2 max(relative change in state) = 23.165 n_iter = 3 J = 310.17 max(relative change in state) = 18.647 n_iter = 4 J = 315.72 max(relative change in state) = 2.0166 n_iter = 5 J = 307.93 max(relative change in state) = 1.4838 n_iter = 6 J = 307.78 max(relative change in state) = 0.23189 n_iter = 7 J = 307.70 max(relative change in state) = 0.13279 n_iter = 8 J = 307.51 max(relative change in state) = 0.12255 n_iter = 9 J = 307.30 max(relative change in state) = 0.30424 n_iter = 10 J = 307.31 max(relative change in state) = 0.76266E-01 n_iter = 11 J = 307.20 max(relative change in state) = 0.96699E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 147 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 148 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 148 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 11.819 max(relative change in state) = - n_iter = 2 J = 9.8680 max(relative change in state) = 0.38877 n_iter = 3 J = 7.6074 max(relative change in state) = 1.0625 n_iter = 4 J = 7.6623 max(relative change in state) = 0.27432 n_iter = 5 J = 7.5207 max(relative change in state) = 0.19695 n_iter = 6 J = 7.5114 max(relative change in state) = 0.43627E-01 n_iter = 7 J = 7.5027 max(relative change in state) = 0.23332E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 148 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 149 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 149 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 149 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 150 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 150 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 134.42 max(relative change in state) = - n_iter = 2 J = 119.96 max(relative change in state) = 1.3879 n_iter = 3 J = 110.82 max(relative change in state) = 1.2694 n_iter = 4 J = 108.75 max(relative change in state) = 0.47312 n_iter = 5 J = 107.81 max(relative change in state) = 0.39557 n_iter = 6 J = 106.92 max(relative change in state) = 0.74601 n_iter = 7 J = 106.71 max(relative change in state) = 0.85217E-01 n_iter = 8 J = 106.58 max(relative change in state) = 0.57594E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 150 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 151 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 151 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 13.960 max(relative change in state) = - n_iter = 2 J = 11.765 max(relative change in state) = 0.43434 n_iter = 3 J = 10.366 max(relative change in state) = 0.73129 n_iter = 4 J = 11.304 max(relative change in state) = 0.68298 n_iter = 5 J = 10.348 max(relative change in state) = 0.60808 n_iter = 6 J = 10.344 max(relative change in state) = 0.75475E-02 n_iter = 7 J = 10.328 max(relative change in state) = 0.81587E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 151 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 152 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 152 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 113.04 max(relative change in state) = - n_iter = 2 J = 97.556 max(relative change in state) = 1.7580 n_iter = 3 J = 93.546 max(relative change in state) = 1.2604 n_iter = 4 J = 95.060 max(relative change in state) = 0.84151 n_iter = 5 J = 93.457 max(relative change in state) = 0.71177 n_iter = 6 J = 93.430 max(relative change in state) = 0.26114E-01 n_iter = 7 J = 93.317 max(relative change in state) = 0.29382 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 152 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 153 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 153 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 324.58 max(relative change in state) = - n_iter = 2 J = 519.27 max(relative change in state) = 17.098 n_iter = 3 J = 254.46 max(relative change in state) = 11.766 n_iter = 4 J = 352.81 max(relative change in state) = 6.6796 n_iter = 5 J = 254.07 max(relative change in state) = 6.2265 n_iter = 6 J = 254.06 max(relative change in state) = 0.23313E-01 n_iter = 7 J = 253.99 max(relative change in state) = 0.10254 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 153 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 154 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 154 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 24.896 max(relative change in state) = - n_iter = 2 J = 21.168 max(relative change in state) = 0.59978 n_iter = 3 J = 19.243 max(relative change in state) = 0.88391 n_iter = 4 J = 20.983 max(relative change in state) = 0.97550 n_iter = 5 J = 19.199 max(relative change in state) = 0.86000 n_iter = 6 J = 19.185 max(relative change in state) = 0.18925E-01 n_iter = 7 J = 19.140 max(relative change in state) = 0.25940 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 154 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 155 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 155 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 155 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 156 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 156 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.973 max(relative change in state) = - n_iter = 2 J = 80.799 max(relative change in state) = 1.2544 n_iter = 3 J = 75.432 max(relative change in state) = 1.4041 n_iter = 4 J = 77.883 max(relative change in state) = 1.3859 n_iter = 5 J = 74.851 max(relative change in state) = 1.0172 n_iter = 6 J = 74.715 max(relative change in state) = 0.10520 n_iter = 7 J = 74.409 max(relative change in state) = 0.31099 n_iter = 8 J = 74.231 max(relative change in state) = 0.12753 n_iter = 9 J = 74.250 max(relative change in state) = 0.39218 n_iter = 10 J = 74.123 max(relative change in state) = 0.16434 n_iter = 11 J = 74.099 max(relative change in state) = 0.87202E-01 n_iter = 12 J = 74.088 max(relative change in state) = 0.56231E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 156 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 157 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 157 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 116.70 max(relative change in state) = - n_iter = 2 J = 103.33 max(relative change in state) = 1.6851 n_iter = 3 J = 100.94 max(relative change in state) = 1.1000 n_iter = 4 J = 106.66 max(relative change in state) = 1.5948 n_iter = 5 J = 101.09 max(relative change in state) = 1.2738 n_iter = 6 J = 100.95 max(relative change in state) = 0.19531 n_iter = 7 J = 100.94 max(relative change in state) = 0.26189E-01 n_iter = 8 J = 100.88 max(relative change in state) = 0.12572 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 157 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 158 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 158 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 11.221 max(relative change in state) = - n_iter = 2 J = 9.4020 max(relative change in state) = 0.48400 n_iter = 3 J = 8.1079 max(relative change in state) = 0.82530 n_iter = 4 J = 9.0149 max(relative change in state) = 0.57016 n_iter = 5 J = 8.1034 max(relative change in state) = 0.53249 n_iter = 6 J = 8.1024 max(relative change in state) = 0.29734E-02 n_iter = 7 J = 8.0934 max(relative change in state) = 0.79615E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 158 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 159 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 159 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.815 max(relative change in state) = - n_iter = 2 J = 36.497 max(relative change in state) = 0.94694 n_iter = 3 J = 34.018 max(relative change in state) = 0.98686 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 159 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 160 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 160 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 83.386 max(relative change in state) = - n_iter = 2 J = 73.556 max(relative change in state) = 1.8634 n_iter = 3 J = 72.445 max(relative change in state) = 0.76901 n_iter = 4 J = 72.427 max(relative change in state) = 0.17244 n_iter = 5 J = 72.432 max(relative change in state) = 0.53918E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 160 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 161 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 161 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 58.944 max(relative change in state) = - n_iter = 2 J = 51.510 max(relative change in state) = 1.3226 n_iter = 3 J = 50.247 max(relative change in state) = 1.0414 n_iter = 4 J = 57.201 max(relative change in state) = 1.5286 n_iter = 5 J = 50.216 max(relative change in state) = 1.4281 n_iter = 6 J = 50.210 max(relative change in state) = 0.56948E-02 n_iter = 7 J = 50.185 max(relative change in state) = 0.13553 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 161 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 162 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 162 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 23.582 max(relative change in state) = - n_iter = 2 J = 19.563 max(relative change in state) = 0.52200 n_iter = 3 J = 15.332 max(relative change in state) = 1.2664 n_iter = 4 J = 18.988 max(relative change in state) = 1.3802 n_iter = 5 J = 15.300 max(relative change in state) = 1.2504 n_iter = 6 J = 15.294 max(relative change in state) = 0.66298E-02 n_iter = 7 J = 15.231 max(relative change in state) = 0.19267 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 162 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 163 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 163 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 97.149 max(relative change in state) = - n_iter = 2 J = 88.397 max(relative change in state) = 1.1319 n_iter = 3 J = 85.162 max(relative change in state) = 1.1413 n_iter = 4 J = 85.236 max(relative change in state) = 0.50997 n_iter = 5 J = 84.830 max(relative change in state) = 0.40158 n_iter = 6 J = 84.683 max(relative change in state) = 0.20305 n_iter = 7 J = 84.409 max(relative change in state) = 0.16923 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 163 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 164 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 164 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.039 max(relative change in state) = - n_iter = 2 J = 24.504 max(relative change in state) = 0.46316 n_iter = 3 J = 21.346 max(relative change in state) = 1.0377 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 164 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 165 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 165 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 21.125 max(relative change in state) = - n_iter = 2 J = 17.473 max(relative change in state) = 0.37363 n_iter = 3 J = 12.770 max(relative change in state) = 0.85062 n_iter = 4 J = 17.175 max(relative change in state) = 1.5714 n_iter = 5 J = 12.713 max(relative change in state) = 1.4028 n_iter = 6 J = 12.703 max(relative change in state) = 0.10910E-01 n_iter = 7 J = 12.629 max(relative change in state) = 0.27178 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 165 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 166 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 166 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 18.818 max(relative change in state) = - n_iter = 2 J = 15.979 max(relative change in state) = 0.41851 n_iter = 3 J = 14.423 max(relative change in state) = 0.67610 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 166 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 167 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 167 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.242 max(relative change in state) = - n_iter = 2 J = 35.212 max(relative change in state) = 0.64141 n_iter = 3 J = 32.433 max(relative change in state) = 0.73817 n_iter = 4 J = 33.266 max(relative change in state) = 0.67929 n_iter = 5 J = 32.228 max(relative change in state) = 0.51598 n_iter = 6 J = 32.191 max(relative change in state) = 0.49983E-01 n_iter = 7 J = 32.123 max(relative change in state) = 0.15452 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 167 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 168 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 168 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 154.61 max(relative change in state) = - n_iter = 2 J = 139.83 max(relative change in state) = 3.5129 n_iter = 3 J = 138.19 max(relative change in state) = 0.86768 n_iter = 4 J = 140.39 max(relative change in state) = 1.3374 n_iter = 5 J = 137.55 max(relative change in state) = 1.0375 n_iter = 6 J = 137.35 max(relative change in state) = 0.11883 n_iter = 7 J = 137.24 max(relative change in state) = 0.15221 n_iter = 8 J = 136.97 max(relative change in state) = 0.10599 n_iter = 9 J = 136.78 max(relative change in state) = 0.16648 n_iter = 10 J = 136.66 max(relative change in state) = 0.14015 n_iter = 11 J = 136.57 max(relative change in state) = 0.12948 n_iter = 12 J = 136.58 max(relative change in state) = 0.14083 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 168 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 169 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 169 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 53.005 max(relative change in state) = - n_iter = 2 J = 44.674 max(relative change in state) = 0.83791 n_iter = 3 J = 38.617 max(relative change in state) = 1.5189 n_iter = 4 J = 43.071 max(relative change in state) = 1.5847 n_iter = 5 J = 38.524 max(relative change in state) = 1.4005 n_iter = 6 J = 38.499 max(relative change in state) = 0.19640E-01 n_iter = 7 J = 38.426 max(relative change in state) = 0.28702 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 169 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 170 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 170 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 87.223 max(relative change in state) = - n_iter = 2 J = 78.700 max(relative change in state) = 1.3211 n_iter = 3 J = 75.866 max(relative change in state) = 0.80494 n_iter = 4 J = 75.230 max(relative change in state) = 0.32078 n_iter = 5 J = 75.383 max(relative change in state) = 0.30311 n_iter = 6 J = 74.987 max(relative change in state) = 0.14587 n_iter = 7 J = 74.956 max(relative change in state) = 0.16468E-01 n_iter = 8 J = 74.913 max(relative change in state) = 0.11391 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 170 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 171 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 171 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 20.525 max(relative change in state) = - n_iter = 2 J = 17.013 max(relative change in state) = 0.41717 n_iter = 3 J = 13.189 max(relative change in state) = 0.87838 n_iter = 4 J = 13.324 max(relative change in state) = 0.35391 n_iter = 5 J = 13.132 max(relative change in state) = 0.24375 n_iter = 6 J = 13.121 max(relative change in state) = 0.32197E-01 n_iter = 7 J = 13.099 max(relative change in state) = 0.95286E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 171 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 172 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 172 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.097 max(relative change in state) = - n_iter = 2 J = 35.719 max(relative change in state) = 1.0262 n_iter = 3 J = 32.610 max(relative change in state) = 1.1002 n_iter = 4 J = 36.271 max(relative change in state) = 1.5340 n_iter = 5 J = 32.563 max(relative change in state) = 1.3829 n_iter = 6 J = 32.550 max(relative change in state) = 0.10443E-01 n_iter = 7 J = 32.576 max(relative change in state) = 0.28187 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 172 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 173 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 173 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 86.565 max(relative change in state) = - n_iter = 2 J = 82.016 max(relative change in state) = 0.26375 n_iter = 3 J = 77.080 max(relative change in state) = 0.47517 n_iter = 4 J = 72.639 max(relative change in state) = 0.54398 n_iter = 5 J = 72.101 max(relative change in state) = 0.51459 n_iter = 6 J = 69.638 max(relative change in state) = 0.23788 n_iter = 7 J = 69.209 max(relative change in state) = 0.89439E-01 n_iter = 8 J = 68.910 max(relative change in state) = 0.72242E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 173 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 174 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 174 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 429.94 max(relative change in state) = - n_iter = 2 J = 526.24 max(relative change in state) = 11.316 n_iter = 3 J = 344.25 max(relative change in state) = 7.1592 n_iter = 4 J = 341.26 max(relative change in state) = 0.85682 n_iter = 5 J = 340.90 max(relative change in state) = 0.39692 n_iter = 6 J = 340.06 max(relative change in state) = 0.16886 n_iter = 7 J = 339.70 max(relative change in state) = 0.10790 n_iter = 8 J = 339.35 max(relative change in state) = 0.11489 n_iter = 9 J = 338.83 max(relative change in state) = 0.50947 n_iter = 10 J = 338.74 max(relative change in state) = 0.18280 n_iter = 11 J = 338.55 max(relative change in state) = 0.92628E-01 n_iter = 12 J = 338.51 max(relative change in state) = 0.22733E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 174 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 175 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 175 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 497.08 max(relative change in state) = - n_iter = 2 J = 453.98 max(relative change in state) = 3.4646 n_iter = 3 J = 444.05 max(relative change in state) = 1.9096 n_iter = 4 J = 455.44 max(relative change in state) = 1.9913 n_iter = 5 J = 443.52 max(relative change in state) = 1.4477 n_iter = 6 J = 443.20 max(relative change in state) = 0.80036E-01 n_iter = 7 J = 442.68 max(relative change in state) = 0.24801 n_iter = 8 J = 441.44 max(relative change in state) = 0.13532 n_iter = 9 J = 441.37 max(relative change in state) = 0.65716E-01 n_iter = 10 J = 441.21 max(relative change in state) = 0.65717E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 175 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 176 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 176 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 176 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 177 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 177 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 13.720 max(relative change in state) = - n_iter = 2 J = 11.698 max(relative change in state) = 0.64394 n_iter = 3 J = 10.982 max(relative change in state) = 0.56873 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 177 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 178 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 178 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 20.805 max(relative change in state) = - n_iter = 2 J = 17.467 max(relative change in state) = 0.46196 n_iter = 3 J = 15.227 max(relative change in state) = 0.75984 n_iter = 4 J = 17.071 max(relative change in state) = 0.81768 n_iter = 5 J = 15.213 max(relative change in state) = 0.75762 n_iter = 6 J = 15.210 max(relative change in state) = 0.33138E-02 n_iter = 7 J = 15.185 max(relative change in state) = 0.75203E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 178 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 179 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 179 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 52.515 max(relative change in state) = - n_iter = 2 J = 45.536 max(relative change in state) = 0.80860 n_iter = 3 J = 43.797 max(relative change in state) = 0.83962 n_iter = 4 J = 43.388 max(relative change in state) = 0.29930 n_iter = 5 J = 43.315 max(relative change in state) = 0.36367 n_iter = 6 J = 43.136 max(relative change in state) = 0.12524 n_iter = 7 J = 43.111 max(relative change in state) = 0.13094E-01 n_iter = 8 J = 43.033 max(relative change in state) = 0.82633E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 179 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 180 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 180 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 158.38 max(relative change in state) = - n_iter = 2 J = 138.60 max(relative change in state) = 4.8889 n_iter = 3 J = 131.98 max(relative change in state) = 1.5549 n_iter = 4 J = 134.59 max(relative change in state) = 1.2414 n_iter = 5 J = 131.85 max(relative change in state) = 1.0653 n_iter = 6 J = 131.84 max(relative change in state) = 0.16407E-01 n_iter = 7 J = 131.73 max(relative change in state) = 0.11186 n_iter = 8 J = 131.71 max(relative change in state) = 0.15030 n_iter = 9 J = 131.68 max(relative change in state) = 0.40633E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 180 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 181 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 181 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 78.017 max(relative change in state) = - n_iter = 2 J = 70.062 max(relative change in state) = 0.45372 n_iter = 3 J = 61.508 max(relative change in state) = 0.68304 n_iter = 4 J = 59.899 max(relative change in state) = 0.29768 n_iter = 5 J = 65.329 max(relative change in state) = 1.5752 n_iter = 6 J = 55.935 max(relative change in state) = 1.2351 n_iter = 7 J = 52.914 max(relative change in state) = 0.49708 n_iter = 8 J = 51.133 max(relative change in state) = 0.55440 n_iter = 9 J = 49.415 max(relative change in state) = 0.67392 n_iter = 10 J = 48.466 max(relative change in state) = 0.20051 n_iter = 11 J = 47.812 max(relative change in state) = 0.25131 n_iter = 12 J = 47.046 max(relative change in state) = 0.52932 n_iter = 13 J = 46.440 max(relative change in state) = 0.99499E-01 n_iter = 14 J = 45.962 max(relative change in state) = 0.14975 n_iter = 15 J = 46.054 max(relative change in state) = 0.45767 n_iter = 16 J = 45.365 max(relative change in state) = 0.13738 n_iter = 17 J = 45.324 max(relative change in state) = 0.30525E-01 n_iter = 18 J = 45.227 max(relative change in state) = 0.13518 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 181 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 182 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 182 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 78.999 max(relative change in state) = - n_iter = 2 J = 65.448 max(relative change in state) = 0.98975 n_iter = 3 J = 50.584 max(relative change in state) = 2.4312 n_iter = 4 J = 52.154 max(relative change in state) = 1.1317 n_iter = 5 J = 50.552 max(relative change in state) = 1.0044 n_iter = 6 J = 50.542 max(relative change in state) = 0.10906E-01 n_iter = 7 J = 50.499 max(relative change in state) = 0.26636 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 182 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 183 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 183 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 57.770 max(relative change in state) = - n_iter = 2 J = 53.780 max(relative change in state) = 0.42773 n_iter = 3 J = 49.541 max(relative change in state) = 1.1428 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 183 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 184 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 184 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 63.267 max(relative change in state) = - n_iter = 2 J = 54.252 max(relative change in state) = 1.2015 n_iter = 3 J = 51.667 max(relative change in state) = 1.0239 n_iter = 4 J = 52.177 max(relative change in state) = 0.64501 n_iter = 5 J = 51.657 max(relative change in state) = 0.57072 n_iter = 6 J = 51.654 max(relative change in state) = 0.10290E-01 n_iter = 7 J = 51.640 max(relative change in state) = 0.46746E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 184 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 185 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 185 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 103.42 max(relative change in state) = - n_iter = 2 J = 90.379 max(relative change in state) = 1.3647 n_iter = 3 J = 87.889 max(relative change in state) = 1.1018 n_iter = 4 J = 89.223 max(relative change in state) = 0.82328 n_iter = 5 J = 87.894 max(relative change in state) = 0.61677 n_iter = 6 J = 87.834 max(relative change in state) = 0.95204E-01 n_iter = 7 J = 87.812 max(relative change in state) = 0.83121E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 185 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 186 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 186 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 19.321 max(relative change in state) = - n_iter = 2 J = 16.358 max(relative change in state) = 0.46729 n_iter = 3 J = 14.898 max(relative change in state) = 0.64442 n_iter = 4 J = 16.393 max(relative change in state) = 0.96609 n_iter = 5 J = 14.888 max(relative change in state) = 0.89590 n_iter = 6 J = 14.886 max(relative change in state) = 0.41969E-02 n_iter = 7 J = 14.909 max(relative change in state) = 0.87079E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 186 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 187 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 187 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.413 max(relative change in state) = - n_iter = 2 J = 94.797 max(relative change in state) = 2.3316 n_iter = 3 J = 87.337 max(relative change in state) = 1.3157 n_iter = 4 J = 87.857 max(relative change in state) = 0.60166 n_iter = 5 J = 87.301 max(relative change in state) = 0.47491 n_iter = 6 J = 87.293 max(relative change in state) = 0.66257E-02 n_iter = 7 J = 87.224 max(relative change in state) = 0.16026 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 187 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 188 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 188 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 15.013 max(relative change in state) = - n_iter = 2 J = 12.640 max(relative change in state) = 0.47821 n_iter = 3 J = 11.166 max(relative change in state) = 0.57196 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 188 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 189 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 189 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 30.984 max(relative change in state) = - n_iter = 2 J = 25.807 max(relative change in state) = 0.45815 n_iter = 3 J = 19.219 max(relative change in state) = 1.4647 n_iter = 4 J = 18.983 max(relative change in state) = 0.26752 n_iter = 5 J = 19.178 max(relative change in state) = 0.32578 n_iter = 6 J = 18.912 max(relative change in state) = 0.16061 n_iter = 7 J = 18.895 max(relative change in state) = 0.26483E-01 n_iter = 8 J = 18.874 max(relative change in state) = 0.32760E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 189 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 190 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 190 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 311.98 max(relative change in state) = - n_iter = 2 J = 850.39 max(relative change in state) = 20.752 n_iter = 3 J = 270.21 max(relative change in state) = 15.072 n_iter = 4 J = 269.63 max(relative change in state) = 0.33539 n_iter = 5 J = 269.71 max(relative change in state) = 0.58156 n_iter = 6 J = 269.37 max(relative change in state) = 0.24886 n_iter = 7 J = 269.36 max(relative change in state) = 0.36056E-01 n_iter = 8 J = 269.35 max(relative change in state) = 0.29726E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 190 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 191 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 191 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 19.284 max(relative change in state) = - n_iter = 2 J = 16.205 max(relative change in state) = 0.43749 n_iter = 3 J = 14.166 max(relative change in state) = 0.58620 n_iter = 4 J = 14.463 max(relative change in state) = 0.33433 n_iter = 5 J = 14.152 max(relative change in state) = 0.28328 n_iter = 6 J = 14.147 max(relative change in state) = 0.67870E-02 n_iter = 7 J = 14.125 max(relative change in state) = 0.94884E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 191 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 192 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 192 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.161 max(relative change in state) = - n_iter = 2 J = 21.840 max(relative change in state) = 0.54406 n_iter = 3 J = 18.043 max(relative change in state) = 0.87350 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 192 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 193 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 193 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 61.737 max(relative change in state) = - n_iter = 2 J = 54.279 max(relative change in state) = 1.2918 n_iter = 3 J = 53.039 max(relative change in state) = 0.60581 n_iter = 4 J = 53.646 max(relative change in state) = 0.72032 n_iter = 5 J = 52.923 max(relative change in state) = 0.56876 n_iter = 6 J = 52.906 max(relative change in state) = 0.51148E-01 n_iter = 7 J = 52.887 max(relative change in state) = 0.10549 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 193 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 194 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 194 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 59.632 max(relative change in state) = - n_iter = 2 J = 49.685 max(relative change in state) = 0.86107 n_iter = 3 J = 43.905 max(relative change in state) = 2.2249 n_iter = 4 J = 42.755 max(relative change in state) = 0.20166 n_iter = 5 J = 41.747 max(relative change in state) = 0.59224 n_iter = 6 J = 40.619 max(relative change in state) = 0.39044 n_iter = 7 J = 40.560 max(relative change in state) = 0.71546E-01 n_iter = 8 J = 40.429 max(relative change in state) = 0.16174 n_iter = 9 J = 40.284 max(relative change in state) = 0.11276 n_iter = 10 J = 40.386 max(relative change in state) = 0.39525 n_iter = 11 J = 40.204 max(relative change in state) = 0.30161 n_iter = 12 J = 40.197 max(relative change in state) = 0.11042E-01 n_iter = 13 J = 40.192 max(relative change in state) = 0.13050E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 194 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 195 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 195 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 195 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 196 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 196 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 53.722 max(relative change in state) = - n_iter = 2 J = 44.729 max(relative change in state) = 0.37428 n_iter = 3 J = 38.450 max(relative change in state) = 0.41238 n_iter = 4 J = 33.826 max(relative change in state) = 0.50171 n_iter = 5 J = 31.354 max(relative change in state) = 0.59529 n_iter = 6 J = 30.157 max(relative change in state) = 0.21484 n_iter = 7 J = 29.785 max(relative change in state) = 0.11497 n_iter = 8 J = 29.390 max(relative change in state) = 0.21602 n_iter = 9 J = 29.636 max(relative change in state) = 0.19448 n_iter = 10 J = 29.236 max(relative change in state) = 0.13391 n_iter = 11 J = 29.205 max(relative change in state) = 0.14106E-01 n_iter = 12 J = 29.096 max(relative change in state) = 0.93155E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 196 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 197 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 197 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 64.968 max(relative change in state) = - n_iter = 2 J = 56.533 max(relative change in state) = 1.1473 n_iter = 3 J = 54.619 max(relative change in state) = 1.0650 n_iter = 4 J = 54.689 max(relative change in state) = 0.28837 n_iter = 5 J = 54.538 max(relative change in state) = 0.79795E-01 n_iter = 6 J = 54.537 max(relative change in state) = 0.69741E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 197 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 198 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 198 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 139.34 max(relative change in state) = - n_iter = 2 J = 124.42 max(relative change in state) = 1.9639 n_iter = 3 J = 122.46 max(relative change in state) = 0.57739 n_iter = 4 J = 129.04 max(relative change in state) = 1.8233 n_iter = 5 J = 122.28 max(relative change in state) = 1.5639 n_iter = 6 J = 122.25 max(relative change in state) = 0.23339E-01 n_iter = 7 J = 122.16 max(relative change in state) = 0.25968 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 198 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 199 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 199 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 29.960 max(relative change in state) = - n_iter = 2 J = 25.933 max(relative change in state) = 0.43542 n_iter = 3 J = 23.640 max(relative change in state) = 0.70304 n_iter = 4 J = 23.994 max(relative change in state) = 0.55087 n_iter = 5 J = 23.355 max(relative change in state) = 0.39898 n_iter = 6 J = 23.330 max(relative change in state) = 0.70712E-01 n_iter = 7 J = 23.291 max(relative change in state) = 0.98427E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 199 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 200 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 200 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 61.781 max(relative change in state) = - n_iter = 2 J = 56.343 max(relative change in state) = 0.31047 n_iter = 3 J = 46.225 max(relative change in state) = 1.5111 n_iter = 4 J = 46.128 max(relative change in state) = 1.0193 n_iter = 5 J = 43.892 max(relative change in state) = 0.98371 n_iter = 6 J = 40.765 max(relative change in state) = 0.26892 n_iter = 7 J = 39.840 max(relative change in state) = 0.45380 n_iter = 8 J = 37.941 max(relative change in state) = 0.29031 n_iter = 9 J = 34.692 max(relative change in state) = 0.68482 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 200 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 201 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 201 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 64.894 max(relative change in state) = - n_iter = 2 J = 55.845 max(relative change in state) = 1.2772 n_iter = 3 J = 53.239 max(relative change in state) = 1.2381 n_iter = 4 J = 53.396 max(relative change in state) = 0.48097 n_iter = 5 J = 53.194 max(relative change in state) = 0.38382 n_iter = 6 J = 53.188 max(relative change in state) = 0.33368E-01 n_iter = 7 J = 53.185 max(relative change in state) = 0.48437E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 201 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 202 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 202 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 38.138 max(relative change in state) = - n_iter = 2 J = 32.873 max(relative change in state) = 0.50823 n_iter = 3 J = 30.015 max(relative change in state) = 0.75367 n_iter = 4 J = 29.852 max(relative change in state) = 0.28723 n_iter = 5 J = 29.851 max(relative change in state) = 0.44620 n_iter = 6 J = 29.704 max(relative change in state) = 0.19047 n_iter = 7 J = 29.681 max(relative change in state) = 0.59611E-01 n_iter = 8 J = 29.638 max(relative change in state) = 0.91784E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 202 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 203 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 203 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 101.93 max(relative change in state) = - n_iter = 2 J = 89.362 max(relative change in state) = 1.6474 n_iter = 3 J = 87.884 max(relative change in state) = 1.2776 n_iter = 4 J = 91.014 max(relative change in state) = 1.4549 n_iter = 5 J = 87.583 max(relative change in state) = 1.0577 n_iter = 6 J = 87.562 max(relative change in state) = 0.20915E-01 n_iter = 7 J = 87.480 max(relative change in state) = 0.16956 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 203 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 204 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 204 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 82.634 max(relative change in state) = - n_iter = 2 J = 70.647 max(relative change in state) = 0.86245 n_iter = 3 J = 65.847 max(relative change in state) = 1.0998 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 204 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 205 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 205 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 143.48 max(relative change in state) = - n_iter = 2 J = 129.41 max(relative change in state) = 2.5229 n_iter = 3 J = 125.89 max(relative change in state) = 0.67661 n_iter = 4 J = 127.99 max(relative change in state) = 1.0474 n_iter = 5 J = 125.79 max(relative change in state) = 0.88161 n_iter = 6 J = 125.76 max(relative change in state) = 0.19362E-01 n_iter = 7 J = 125.61 max(relative change in state) = 0.29293 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 205 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 206 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 206 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 38.104 max(relative change in state) = - n_iter = 2 J = 31.789 max(relative change in state) = 0.66637 n_iter = 3 J = 26.436 max(relative change in state) = 1.0257 n_iter = 4 J = 26.413 max(relative change in state) = 0.13585 n_iter = 5 J = 26.332 max(relative change in state) = 0.78462E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 206 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 207 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 207 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 73.414 max(relative change in state) = - n_iter = 2 J = 63.351 max(relative change in state) = 1.1376 n_iter = 3 J = 60.855 max(relative change in state) = 0.89276 n_iter = 4 J = 66.231 max(relative change in state) = 1.7639 n_iter = 5 J = 60.557 max(relative change in state) = 1.3672 n_iter = 6 J = 60.542 max(relative change in state) = 0.22294E-01 n_iter = 7 J = 60.477 max(relative change in state) = 0.15612 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 207 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 208 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 208 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 21.514 max(relative change in state) = - n_iter = 2 J = 18.525 max(relative change in state) = 0.46559 n_iter = 3 J = 16.957 max(relative change in state) = 0.62913 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 208 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 209 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 209 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.265 max(relative change in state) = - n_iter = 2 J = 23.861 max(relative change in state) = 0.49050 n_iter = 3 J = 21.681 max(relative change in state) = 0.64803 n_iter = 4 J = 21.686 max(relative change in state) = 0.17066 n_iter = 5 J = 21.590 max(relative change in state) = 0.13049 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 209 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 210 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 210 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 46.678 max(relative change in state) = - n_iter = 2 J = 41.026 max(relative change in state) = 1.2805 n_iter = 3 J = 40.007 max(relative change in state) = 0.37317 n_iter = 4 J = 41.450 max(relative change in state) = 0.92353 n_iter = 5 J = 39.973 max(relative change in state) = 0.82301 n_iter = 6 J = 39.963 max(relative change in state) = 0.10069E-01 n_iter = 7 J = 39.920 max(relative change in state) = 0.17633 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 210 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 211 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 211 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 107.68 max(relative change in state) = - n_iter = 2 J = 91.674 max(relative change in state) = 0.95527 n_iter = 3 J = 83.149 max(relative change in state) = 1.8707 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 211 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 212 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 212 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 86.921 max(relative change in state) = - n_iter = 2 J = 74.720 max(relative change in state) = 0.74749 n_iter = 3 J = 65.891 max(relative change in state) = 1.7903 n_iter = 4 J = 65.579 max(relative change in state) = 0.46490 n_iter = 5 J = 65.269 max(relative change in state) = 0.62643 n_iter = 6 J = 64.879 max(relative change in state) = 0.15928 n_iter = 7 J = 64.739 max(relative change in state) = 0.12827 n_iter = 8 J = 64.608 max(relative change in state) = 0.95449E-01 n_iter = 9 J = 64.277 max(relative change in state) = 0.20207 n_iter = 10 J = 64.121 max(relative change in state) = 0.20884 n_iter = 11 J = 64.021 max(relative change in state) = 0.61980E-01 n_iter = 12 J = 63.914 max(relative change in state) = 0.14553 n_iter = 13 J = 63.895 max(relative change in state) = 0.35625E-01 n_iter = 14 J = 63.916 max(relative change in state) = 0.77537E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 212 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 213 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 213 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 109.12 max(relative change in state) = - n_iter = 2 J = 94.682 max(relative change in state) = 1.9163 n_iter = 3 J = 91.261 max(relative change in state) = 0.90246 n_iter = 4 J = 96.891 max(relative change in state) = 1.8862 n_iter = 5 J = 91.091 max(relative change in state) = 1.6421 n_iter = 6 J = 91.038 max(relative change in state) = 0.30345E-01 n_iter = 7 J = 90.822 max(relative change in state) = 0.41972 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 213 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 214 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 214 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 58.012 max(relative change in state) = - n_iter = 2 J = 51.014 max(relative change in state) = 0.29630 n_iter = 3 J = 44.194 max(relative change in state) = 0.53131 n_iter = 4 J = 38.290 max(relative change in state) = 2.0870 n_iter = 5 J = 38.211 max(relative change in state) = 0.42425 n_iter = 6 J = 37.813 max(relative change in state) = 0.74212 n_iter = 7 J = 34.266 max(relative change in state) = 0.32533 n_iter = 8 J = 33.735 max(relative change in state) = 0.81284E-01 n_iter = 9 J = 33.005 max(relative change in state) = 0.29398 n_iter = 10 J = 32.458 max(relative change in state) = 0.37521 n_iter = 11 J = 32.271 max(relative change in state) = 0.13880 n_iter = 12 J = 32.086 max(relative change in state) = 0.59831E-01 n_iter = 13 J = 32.031 max(relative change in state) = 0.27126E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 214 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 215 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 215 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 81.632 max(relative change in state) = - n_iter = 2 J = 72.762 max(relative change in state) = 2.2526 n_iter = 3 J = 72.253 max(relative change in state) = 0.76433 n_iter = 4 J = 73.463 max(relative change in state) = 0.89966 n_iter = 5 J = 72.192 max(relative change in state) = 0.74824 n_iter = 6 J = 72.177 max(relative change in state) = 0.12726E-01 n_iter = 7 J = 72.109 max(relative change in state) = 0.18968 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 215 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 216 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 216 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 216 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 217 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 217 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 596.99 max(relative change in state) = - n_iter = 2 J = 2008.5 max(relative change in state) = 24.016 n_iter = 3 J = 534.45 max(relative change in state) = 20.756 n_iter = 4 J = 538.66 max(relative change in state) = 1.8660 n_iter = 5 J = 532.60 max(relative change in state) = 1.3402 n_iter = 6 J = 532.13 max(relative change in state) = 0.12313 n_iter = 7 J = 530.82 max(relative change in state) = 0.42684 n_iter = 8 J = 529.93 max(relative change in state) = 0.55389 n_iter = 9 J = 529.62 max(relative change in state) = 0.24417 n_iter = 10 J = 529.55 max(relative change in state) = 0.21414 n_iter = 11 J = 529.48 max(relative change in state) = 0.15332 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 217 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 218 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 218 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 55.419 max(relative change in state) = - n_iter = 2 J = 47.711 max(relative change in state) = 1.1869 n_iter = 3 J = 45.525 max(relative change in state) = 0.84095 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 218 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 219 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 219 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 172.30 max(relative change in state) = - n_iter = 2 J = 158.79 max(relative change in state) = 0.93681 n_iter = 3 J = 148.04 max(relative change in state) = 1.4253 n_iter = 4 J = 144.19 max(relative change in state) = 0.27294 n_iter = 5 J = 142.72 max(relative change in state) = 0.23172 n_iter = 6 J = 140.99 max(relative change in state) = 0.37198 n_iter = 7 J = 139.79 max(relative change in state) = 0.90087 n_iter = 8 J = 140.49 max(relative change in state) = 0.32738 n_iter = 9 J = 138.97 max(relative change in state) = 0.22711 n_iter = 10 J = 138.62 max(relative change in state) = 0.10656 n_iter = 11 J = 138.31 max(relative change in state) = 0.19418 n_iter = 12 J = 138.08 max(relative change in state) = 0.74566E-01 n_iter = 13 J = 137.92 max(relative change in state) = 0.78222E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 219 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 220 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 220 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 30.784 max(relative change in state) = - n_iter = 2 J = 25.581 max(relative change in state) = 0.78777 n_iter = 3 J = 20.442 max(relative change in state) = 1.8111 n_iter = 4 J = 23.148 max(relative change in state) = 1.1667 n_iter = 5 J = 20.429 max(relative change in state) = 1.0873 n_iter = 6 J = 20.427 max(relative change in state) = 0.31332E-02 n_iter = 7 J = 20.408 max(relative change in state) = 0.88664E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 220 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 221 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 221 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.513 max(relative change in state) = - n_iter = 2 J = 22.190 max(relative change in state) = 0.41446 n_iter = 3 J = 17.546 max(relative change in state) = 0.85801 n_iter = 4 J = 18.904 max(relative change in state) = 0.91497 n_iter = 5 J = 17.267 max(relative change in state) = 0.69031 n_iter = 6 J = 17.210 max(relative change in state) = 0.51039E-01 n_iter = 7 J = 17.066 max(relative change in state) = 0.19581 n_iter = 8 J = 17.008 max(relative change in state) = 0.10253 n_iter = 9 J = 16.996 max(relative change in state) = 0.61312E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 221 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 222 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 222 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 86.275 max(relative change in state) = - n_iter = 2 J = 80.658 max(relative change in state) = 0.35666 n_iter = 3 J = 64.635 max(relative change in state) = 1.9559 n_iter = 4 J = 69.347 max(relative change in state) = 1.7288 n_iter = 5 J = 63.901 max(relative change in state) = 1.6649 n_iter = 6 J = 63.268 max(relative change in state) = 0.11766 n_iter = 7 J = 62.810 max(relative change in state) = 0.51754 n_iter = 8 J = 61.723 max(relative change in state) = 0.22735 n_iter = 9 J = 61.069 max(relative change in state) = 0.18281 n_iter = 10 J = 60.692 max(relative change in state) = 0.24234 n_iter = 11 J = 60.664 max(relative change in state) = 0.50499 n_iter = 12 J = 60.301 max(relative change in state) = 0.23225 n_iter = 13 J = 60.302 max(relative change in state) = 0.29017 n_iter = 14 J = 60.069 max(relative change in state) = 0.13190 n_iter = 15 J = 60.022 max(relative change in state) = 0.26027 n_iter = 16 J = 59.757 max(relative change in state) = 0.10595 n_iter = 17 J = 59.700 max(relative change in state) = 0.17802 n_iter = 18 J = 59.484 max(relative change in state) = 0.14932 n_iter = 19 J = 59.339 max(relative change in state) = 0.97420E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 20. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 222 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 223 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 223 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 45.866 max(relative change in state) = - n_iter = 2 J = 40.144 max(relative change in state) = 1.2400 n_iter = 3 J = 39.639 max(relative change in state) = 0.33355 n_iter = 4 J = 41.888 max(relative change in state) = 0.73121 n_iter = 5 J = 39.622 max(relative change in state) = 0.66073 n_iter = 6 J = 39.621 max(relative change in state) = 0.55173E-02 n_iter = 7 J = 39.617 max(relative change in state) = 0.21833E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 223 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 224 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 224 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 114.46 max(relative change in state) = - n_iter = 2 J = 103.91 max(relative change in state) = 2.4289 n_iter = 3 J = 103.39 max(relative change in state) = 0.63068 n_iter = 4 J = 104.85 max(relative change in state) = 1.0504 n_iter = 5 J = 103.34 max(relative change in state) = 0.72318 n_iter = 6 J = 103.29 max(relative change in state) = 0.10099 n_iter = 7 J = 103.27 max(relative change in state) = 0.37010E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 224 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 225 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 225 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 1702.6 max(relative change in state) = - n_iter = 2 J = 7845.4 max(relative change in state) = 67.226 n_iter = 3 J = 1438.5 max(relative change in state) = 53.112 n_iter = 4 J = 1451.6 max(relative change in state) = 2.5533 n_iter = 5 J = 1434.3 max(relative change in state) = 1.8746 n_iter = 6 J = 1433.6 max(relative change in state) = 0.20159 n_iter = 7 J = 1432.3 max(relative change in state) = 0.61300 n_iter = 8 J = 1431.6 max(relative change in state) = 0.29447 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 225 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 226 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 226 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 8.7820 max(relative change in state) = - n_iter = 2 J = 7.4220 max(relative change in state) = 0.33357 n_iter = 3 J = 6.7278 max(relative change in state) = 0.44140 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 226 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 227 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 227 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 10.316 max(relative change in state) = - n_iter = 2 J = 8.7911 max(relative change in state) = 0.40524 n_iter = 3 J = 8.1732 max(relative change in state) = 0.44162 n_iter = 4 J = 8.8410 max(relative change in state) = 0.56601 n_iter = 5 J = 8.1688 max(relative change in state) = 0.52521 n_iter = 6 J = 8.1676 max(relative change in state) = 0.35013E-02 n_iter = 7 J = 8.1628 max(relative change in state) = 0.89120E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 227 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 228 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 228 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 106.78 max(relative change in state) = - n_iter = 2 J = 93.115 max(relative change in state) = 1.4830 n_iter = 3 J = 90.279 max(relative change in state) = 1.0101 n_iter = 4 J = 96.142 max(relative change in state) = 1.8578 n_iter = 5 J = 90.218 max(relative change in state) = 1.6899 n_iter = 6 J = 90.200 max(relative change in state) = 0.92474E-02 n_iter = 7 J = 90.156 max(relative change in state) = 0.22376 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 228 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 229 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 229 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.621 max(relative change in state) = - n_iter = 2 J = 35.832 max(relative change in state) = 0.51848 n_iter = 3 J = 28.042 max(relative change in state) = 1.1657 n_iter = 4 J = 30.265 max(relative change in state) = 1.2669 n_iter = 5 J = 27.735 max(relative change in state) = 1.0220 n_iter = 6 J = 27.622 max(relative change in state) = 0.58136E-01 n_iter = 7 J = 27.326 max(relative change in state) = 0.43972 n_iter = 8 J = 27.175 max(relative change in state) = 0.36024 n_iter = 9 J = 27.087 max(relative change in state) = 0.92964E-01 n_iter = 10 J = 27.098 max(relative change in state) = 0.20407 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 229 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 230 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 230 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 20.514 max(relative change in state) = - n_iter = 2 J = 17.449 max(relative change in state) = 0.45975 n_iter = 3 J = 15.931 max(relative change in state) = 0.71892 n_iter = 4 J = 16.656 max(relative change in state) = 0.52692 n_iter = 5 J = 15.912 max(relative change in state) = 0.46597 n_iter = 6 J = 15.905 max(relative change in state) = 0.11426E-01 n_iter = 7 J = 15.884 max(relative change in state) = 0.12595 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 230 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 231 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 231 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 187.06 max(relative change in state) = - n_iter = 2 J = 227.11 max(relative change in state) = 7.4898 n_iter = 3 J = 161.13 max(relative change in state) = 5.1313 n_iter = 4 J = 161.62 max(relative change in state) = 0.55322 n_iter = 5 J = 160.71 max(relative change in state) = 0.36682 n_iter = 6 J = 160.64 max(relative change in state) = 0.79546E-01 n_iter = 7 J = 160.58 max(relative change in state) = 0.11823 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 231 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 232 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 232 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.426 max(relative change in state) = - n_iter = 2 J = 23.470 max(relative change in state) = 0.53419 n_iter = 3 J = 17.219 max(relative change in state) = 1.4399 n_iter = 4 J = 20.917 max(relative change in state) = 1.5053 n_iter = 5 J = 17.178 max(relative change in state) = 1.3507 n_iter = 6 J = 17.174 max(relative change in state) = 0.64358E-02 n_iter = 7 J = 17.123 max(relative change in state) = 0.19008 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 232 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 233 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 233 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 78.250 max(relative change in state) = - n_iter = 2 J = 65.214 max(relative change in state) = 0.94350 n_iter = 3 J = 53.638 max(relative change in state) = 1.8872 n_iter = 4 J = 59.027 max(relative change in state) = 1.9113 n_iter = 5 J = 53.502 max(relative change in state) = 1.6607 n_iter = 6 J = 53.469 max(relative change in state) = 0.14831E-01 n_iter = 7 J = 53.387 max(relative change in state) = 0.30975 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 233 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 234 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 234 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.354 max(relative change in state) = - n_iter = 2 J = 34.463 max(relative change in state) = 0.38603 n_iter = 3 J = 26.870 max(relative change in state) = 0.68976 n_iter = 4 J = 24.997 max(relative change in state) = 0.53892 n_iter = 5 J = 25.639 max(relative change in state) = 1.1252 n_iter = 6 J = 20.048 max(relative change in state) = 0.71747 n_iter = 7 J = 19.205 max(relative change in state) = 0.35516 n_iter = 8 J = 18.545 max(relative change in state) = 0.20264 n_iter = 9 J = 19.180 max(relative change in state) = 0.60237 n_iter = 10 J = 18.061 max(relative change in state) = 0.37133 n_iter = 11 J = 17.899 max(relative change in state) = 0.53421E-01 n_iter = 12 J = 17.832 max(relative change in state) = 0.12219 n_iter = 13 J = 17.649 max(relative change in state) = 0.51811E-01 n_iter = 14 J = 17.596 max(relative change in state) = 0.24181 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 234 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 235 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 235 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 85.699 max(relative change in state) = - n_iter = 2 J = 73.556 max(relative change in state) = 1.7263 n_iter = 3 J = 70.125 max(relative change in state) = 1.2871 n_iter = 4 J = 71.270 max(relative change in state) = 0.96815 n_iter = 5 J = 70.058 max(relative change in state) = 0.80789 n_iter = 6 J = 70.038 max(relative change in state) = 0.18531E-01 n_iter = 7 J = 69.939 max(relative change in state) = 0.22781 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 235 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 236 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 236 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 373.59 max(relative change in state) = - n_iter = 2 J = 331.86 max(relative change in state) = 1.7206 n_iter = 3 J = 308.35 max(relative change in state) = 0.66569 n_iter = 4 J = 292.74 max(relative change in state) = 0.77881 n_iter = 5 J = 271.08 max(relative change in state) = 0.56964 n_iter = 6 J = 260.40 max(relative change in state) = 0.72023 n_iter = 7 J = 251.95 max(relative change in state) = 0.79069 n_iter = 8 J = 250.07 max(relative change in state) = 0.18007 n_iter = 9 J = 247.61 max(relative change in state) = 0.33728 n_iter = 10 J = 246.22 max(relative change in state) = 0.78346 n_iter = 11 J = 245.04 max(relative change in state) = 0.26457 n_iter = 12 J = 244.76 max(relative change in state) = 0.53343E-01 n_iter = 13 J = 243.90 max(relative change in state) = 0.29130 n_iter = 14 J = 243.49 max(relative change in state) = 0.28399 n_iter = 15 J = 243.24 max(relative change in state) = 0.11459 n_iter = 16 J = 243.08 max(relative change in state) = 0.12330 n_iter = 17 J = 242.94 max(relative change in state) = 0.24906 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 236 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 237 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 237 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 237 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 238 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 238 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 66.013 max(relative change in state) = - n_iter = 2 J = 61.949 max(relative change in state) = 0.76107 n_iter = 3 J = 56.970 max(relative change in state) = 0.22667 n_iter = 4 J = 53.686 max(relative change in state) = 0.45567 n_iter = 5 J = 52.013 max(relative change in state) = 0.48608 n_iter = 6 J = 51.340 max(relative change in state) = 0.35234 n_iter = 7 J = 50.369 max(relative change in state) = 0.99634E-01 n_iter = 8 J = 50.051 max(relative change in state) = 0.82545E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 238 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 239 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 239 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 122.16 max(relative change in state) = - n_iter = 2 J = 105.04 max(relative change in state) = 0.86175 n_iter = 3 J = 83.038 max(relative change in state) = 2.3798 n_iter = 4 J = 88.561 max(relative change in state) = 1.7764 n_iter = 5 J = 82.317 max(relative change in state) = 1.4698 n_iter = 6 J = 81.987 max(relative change in state) = 0.89781E-01 n_iter = 7 J = 81.809 max(relative change in state) = 0.35609 n_iter = 8 J = 81.271 max(relative change in state) = 0.11059 n_iter = 9 J = 81.106 max(relative change in state) = 0.32257 n_iter = 10 J = 80.795 max(relative change in state) = 0.48730 n_iter = 11 J = 80.526 max(relative change in state) = 0.13663 n_iter = 12 J = 80.301 max(relative change in state) = 0.19512 n_iter = 13 J = 80.102 max(relative change in state) = 0.12212 n_iter = 14 J = 80.095 max(relative change in state) = 0.35184 n_iter = 15 J = 79.885 max(relative change in state) = 0.11540 n_iter = 16 J = 79.857 max(relative change in state) = 0.36475E-01 n_iter = 17 J = 79.790 max(relative change in state) = 0.47349E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 17. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 239 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 240 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 240 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.080 max(relative change in state) = - n_iter = 2 J = 35.747 max(relative change in state) = 1.0196 n_iter = 3 J = 33.206 max(relative change in state) = 0.98001 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 240 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 241 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 241 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 354.42 max(relative change in state) = - n_iter = 2 J = 716.59 max(relative change in state) = 24.229 n_iter = 3 J = 287.19 max(relative change in state) = 15.823 n_iter = 4 J = 343.99 max(relative change in state) = 5.3956 n_iter = 5 J = 286.83 max(relative change in state) = 4.9741 n_iter = 6 J = 286.78 max(relative change in state) = 0.18103E-01 n_iter = 7 J = 286.53 max(relative change in state) = 0.42360 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 241 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 242 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 242 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 29.996 max(relative change in state) = - n_iter = 2 J = 26.953 max(relative change in state) = 0.86323 n_iter = 3 J = 26.647 max(relative change in state) = 0.27040 n_iter = 4 J = 26.809 max(relative change in state) = 0.40421 n_iter = 5 J = 26.629 max(relative change in state) = 0.33208 n_iter = 6 J = 26.624 max(relative change in state) = 0.20296E-01 n_iter = 7 J = 26.616 max(relative change in state) = 0.69036E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 242 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 243 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 243 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 71.421 max(relative change in state) = - n_iter = 2 J = 65.560 max(relative change in state) = 0.87276 n_iter = 3 J = 64.357 max(relative change in state) = 0.66387 n_iter = 4 J = 66.691 max(relative change in state) = 0.83215 n_iter = 5 J = 64.225 max(relative change in state) = 0.77353 n_iter = 6 J = 64.136 max(relative change in state) = 0.28954E-01 n_iter = 7 J = 64.057 max(relative change in state) = 0.12967 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 243 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 244 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 244 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 53.253 max(relative change in state) = - n_iter = 2 J = 45.711 max(relative change in state) = 1.1189 n_iter = 3 J = 43.565 max(relative change in state) = 0.98998 n_iter = 4 J = 45.459 max(relative change in state) = 0.82115 n_iter = 5 J = 43.557 max(relative change in state) = 0.77165 n_iter = 6 J = 43.555 max(relative change in state) = 0.43012E-02 n_iter = 7 J = 43.538 max(relative change in state) = 0.12207 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 244 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 245 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 245 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 157.70 max(relative change in state) = - n_iter = 2 J = 144.89 max(relative change in state) = 5.8035 n_iter = 3 J = 135.35 max(relative change in state) = 1.9820 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 245 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 246 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 246 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 181.19 max(relative change in state) = - n_iter = 2 J = 213.65 max(relative change in state) = 6.4834 n_iter = 3 J = 163.25 max(relative change in state) = 3.7305 n_iter = 4 J = 189.15 max(relative change in state) = 3.8875 n_iter = 5 J = 162.91 max(relative change in state) = 3.5369 n_iter = 6 J = 162.79 max(relative change in state) = 0.40350E-01 n_iter = 7 J = 163.77 max(relative change in state) = 0.21047 n_iter = 8 J = 162.68 max(relative change in state) = 0.18455 n_iter = 9 J = 162.59 max(relative change in state) = 0.32193E-01 n_iter = 10 J = 162.45 max(relative change in state) = 0.20078 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 246 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 247 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 247 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 513.48 max(relative change in state) = - n_iter = 2 J = 1500.8 max(relative change in state) = 33.022 n_iter = 3 J = 426.89 max(relative change in state) = 24.018 n_iter = 4 J = 433.31 max(relative change in state) = 1.9413 n_iter = 5 J = 426.63 max(relative change in state) = 1.6679 n_iter = 6 J = 426.56 max(relative change in state) = 0.35364E-01 n_iter = 7 J = 426.23 max(relative change in state) = 0.40007 n_iter = 8 J = 426.48 max(relative change in state) = 0.32141 n_iter = 9 J = 426.20 max(relative change in state) = 0.21282 n_iter = 10 J = 426.19 max(relative change in state) = 0.10544E-01 n_iter = 11 J = 426.17 max(relative change in state) = 0.91992E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 247 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 248 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 248 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 115.22 max(relative change in state) = - n_iter = 2 J = 98.283 max(relative change in state) = 1.6340 n_iter = 3 J = 91.270 max(relative change in state) = 1.6452 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 248 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 249 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 249 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 76.461 max(relative change in state) = - n_iter = 2 J = 63.988 max(relative change in state) = 1.1135 n_iter = 3 J = 55.245 max(relative change in state) = 1.8544 n_iter = 4 J = 60.594 max(relative change in state) = 2.1980 n_iter = 5 J = 55.172 max(relative change in state) = 2.0206 n_iter = 6 J = 55.138 max(relative change in state) = 0.14545E-01 n_iter = 7 J = 55.215 max(relative change in state) = 0.22126 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 249 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 250 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 250 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.899 max(relative change in state) = - n_iter = 2 J = 26.941 max(relative change in state) = 0.56772 n_iter = 3 J = 23.077 max(relative change in state) = 0.84867 n_iter = 4 J = 24.718 max(relative change in state) = 0.79197 n_iter = 5 J = 22.954 max(relative change in state) = 0.69744 n_iter = 6 J = 22.875 max(relative change in state) = 0.34812E-01 n_iter = 7 J = 22.811 max(relative change in state) = 0.10092 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 250 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 251 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 251 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 78.699 max(relative change in state) = - n_iter = 2 J = 66.443 max(relative change in state) = 1.1230 n_iter = 3 J = 58.661 max(relative change in state) = 1.7882 n_iter = 4 J = 64.860 max(relative change in state) = 1.9477 n_iter = 5 J = 58.541 max(relative change in state) = 1.7232 n_iter = 6 J = 58.510 max(relative change in state) = 0.23543E-01 n_iter = 7 J = 58.458 max(relative change in state) = 0.44501 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 251 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 252 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 252 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 24.297 max(relative change in state) = - n_iter = 2 J = 20.587 max(relative change in state) = 0.51133 n_iter = 3 J = 18.289 max(relative change in state) = 0.89780 n_iter = 4 J = 18.195 max(relative change in state) = 0.16840 n_iter = 5 J = 18.594 max(relative change in state) = 0.14194 n_iter = 6 J = 18.173 max(relative change in state) = 0.11613 n_iter = 7 J = 18.168 max(relative change in state) = 0.91849E-02 n_iter = 8 J = 18.167 max(relative change in state) = 0.33293E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 252 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 253 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 253 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 85.289 max(relative change in state) = - n_iter = 2 J = 70.418 max(relative change in state) = 0.84235 n_iter = 3 J = 50.934 max(relative change in state) = 2.3817 n_iter = 4 J = 51.682 max(relative change in state) = 0.78595 n_iter = 5 J = 50.881 max(relative change in state) = 0.64694 n_iter = 6 J = 50.865 max(relative change in state) = 0.17897E-01 n_iter = 7 J = 50.782 max(relative change in state) = 0.15580 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 253 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 254 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 254 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 102.44 max(relative change in state) = - n_iter = 2 J = 92.136 max(relative change in state) = 1.0252 n_iter = 3 J = 85.820 max(relative change in state) = 1.5766 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 254 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 255 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 255 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 146.92 max(relative change in state) = - n_iter = 2 J = 126.51 max(relative change in state) = 2.0154 n_iter = 3 J = 120.35 max(relative change in state) = 0.93798 n_iter = 4 J = 120.06 max(relative change in state) = 0.52675 n_iter = 5 J = 119.32 max(relative change in state) = 0.29666 n_iter = 6 J = 119.23 max(relative change in state) = 0.13934 n_iter = 7 J = 119.15 max(relative change in state) = 0.13638 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 255 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 256 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 256 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 127.10 max(relative change in state) = - n_iter = 2 J = 109.84 max(relative change in state) = 1.3082 n_iter = 3 J = 104.82 max(relative change in state) = 1.6328 n_iter = 4 J = 111.72 max(relative change in state) = 1.9466 n_iter = 5 J = 104.75 max(relative change in state) = 1.7887 n_iter = 6 J = 104.73 max(relative change in state) = 0.18107E-01 n_iter = 7 J = 104.69 max(relative change in state) = 0.27486 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 256 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 257 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 257 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 324.66 max(relative change in state) = - n_iter = 2 J = 564.96 max(relative change in state) = 12.337 n_iter = 3 J = 267.56 max(relative change in state) = 8.7726 n_iter = 4 J = 267.62 max(relative change in state) = 0.81036 n_iter = 5 J = 266.22 max(relative change in state) = 0.41109 n_iter = 6 J = 265.98 max(relative change in state) = 0.25033 n_iter = 7 J = 265.87 max(relative change in state) = 0.11751 n_iter = 8 J = 265.51 max(relative change in state) = 0.20923 n_iter = 9 J = 264.94 max(relative change in state) = 0.35156 n_iter = 10 J = 264.78 max(relative change in state) = 0.35428 n_iter = 11 J = 265.03 max(relative change in state) = 0.53719 n_iter = 12 J = 264.72 max(relative change in state) = 0.38781 n_iter = 13 J = 264.71 max(relative change in state) = 0.18779E-01 n_iter = 14 J = 264.65 max(relative change in state) = 0.89107E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 257 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 258 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 258 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 165.14 max(relative change in state) = - n_iter = 2 J = 156.59 max(relative change in state) = 4.5889 n_iter = 3 J = 139.24 max(relative change in state) = 2.5687 n_iter = 4 J = 142.80 max(relative change in state) = 1.5381 n_iter = 5 J = 139.08 max(relative change in state) = 1.3015 n_iter = 6 J = 139.02 max(relative change in state) = 0.23348E-01 n_iter = 7 J = 138.80 max(relative change in state) = 0.48843 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 258 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 259 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 259 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 34.335 max(relative change in state) = - n_iter = 2 J = 28.731 max(relative change in state) = 0.61275 n_iter = 3 J = 24.431 max(relative change in state) = 0.98928 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 259 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 260 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 260 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 304.40 max(relative change in state) = - n_iter = 2 J = 217.28 max(relative change in state) = 5.1109 n_iter = 3 J = 210.84 max(relative change in state) = 1.0256 n_iter = 4 J = 205.02 max(relative change in state) = 1.1862 n_iter = 5 J = 206.06 max(relative change in state) = 0.98183 n_iter = 6 J = 203.65 max(relative change in state) = 0.49200 n_iter = 7 J = 203.11 max(relative change in state) = 0.95323E-01 n_iter = 8 J = 202.99 max(relative change in state) = 0.56610E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 260 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 261 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 261 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.104 max(relative change in state) = - n_iter = 2 J = 27.523 max(relative change in state) = 0.72265 n_iter = 3 J = 22.148 max(relative change in state) = 1.5069 n_iter = 4 J = 26.680 max(relative change in state) = 1.6285 n_iter = 5 J = 22.098 max(relative change in state) = 1.4786 n_iter = 6 J = 22.090 max(relative change in state) = 0.43186E-02 n_iter = 7 J = 22.022 max(relative change in state) = 0.11357 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 261 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 262 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 262 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 96.368 max(relative change in state) = - n_iter = 2 J = 83.217 max(relative change in state) = 1.2788 n_iter = 3 J = 79.661 max(relative change in state) = 1.4686 n_iter = 4 J = 81.803 max(relative change in state) = 1.2782 n_iter = 5 J = 79.638 max(relative change in state) = 1.1683 n_iter = 6 J = 79.632 max(relative change in state) = 0.79295E-02 n_iter = 7 J = 79.605 max(relative change in state) = 0.13833 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 262 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 263 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 263 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 114.90 max(relative change in state) = - n_iter = 2 J = 98.508 max(relative change in state) = 1.0809 n_iter = 3 J = 85.779 max(relative change in state) = 2.2453 n_iter = 4 J = 94.326 max(relative change in state) = 2.0797 n_iter = 5 J = 85.297 max(relative change in state) = 1.7608 n_iter = 6 J = 85.167 max(relative change in state) = 0.35190E-01 n_iter = 7 J = 84.410 max(relative change in state) = 0.32469 n_iter = 8 J = 84.650 max(relative change in state) = 0.53410 n_iter = 9 J = 84.284 max(relative change in state) = 0.33765 n_iter = 10 J = 84.259 max(relative change in state) = 0.39351E-01 n_iter = 11 J = 84.203 max(relative change in state) = 0.73957E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 263 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 264 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 264 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.842 max(relative change in state) = - n_iter = 2 J = 64.578 max(relative change in state) = 0.49342 n_iter = 3 J = 57.163 max(relative change in state) = 2.1010 n_iter = 4 J = 56.769 max(relative change in state) = 0.54801 n_iter = 5 J = 55.858 max(relative change in state) = 0.25035 n_iter = 6 J = 54.791 max(relative change in state) = 0.25088 n_iter = 7 J = 54.150 max(relative change in state) = 0.20379 n_iter = 8 J = 53.788 max(relative change in state) = 0.13200 n_iter = 9 J = 53.634 max(relative change in state) = 0.14515 n_iter = 10 J = 53.637 max(relative change in state) = 0.19555 n_iter = 11 J = 53.732 max(relative change in state) = 0.18284 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 264 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 265 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 265 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 265.26 max(relative change in state) = - n_iter = 2 J = 373.79 max(relative change in state) = 11.762 n_iter = 3 J = 211.56 max(relative change in state) = 7.4188 n_iter = 4 J = 215.19 max(relative change in state) = 1.5938 n_iter = 5 J = 211.47 max(relative change in state) = 1.4028 n_iter = 6 J = 211.44 max(relative change in state) = 0.22700E-01 n_iter = 7 J = 211.34 max(relative change in state) = 0.61670 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 265 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 266 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 266 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 1025.2 max(relative change in state) = - n_iter = 2 J = 14904. max(relative change in state) = 61.657 n_iter = 3 J = 964.59 max(relative change in state) = 58.982 n_iter = 4 J = 1011.5 max(relative change in state) = 4.8353 n_iter = 5 J = 964.22 max(relative change in state) = 4.4053 n_iter = 6 J = 964.17 max(relative change in state) = 0.25481E-01 n_iter = 7 J = 963.42 max(relative change in state) = 0.72361 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 266 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 267 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 267 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 45.701 max(relative change in state) = - n_iter = 2 J = 39.784 max(relative change in state) = 0.94427 n_iter = 3 J = 37.743 max(relative change in state) = 0.77608 n_iter = 4 J = 43.028 max(relative change in state) = 1.5657 n_iter = 5 J = 37.661 max(relative change in state) = 1.4142 n_iter = 6 J = 37.631 max(relative change in state) = 0.17715E-01 n_iter = 7 J = 37.593 max(relative change in state) = 0.35054 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 267 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 268 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 268 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 19.442 max(relative change in state) = - n_iter = 2 J = 16.815 max(relative change in state) = 0.83683 n_iter = 3 J = 16.348 max(relative change in state) = 0.42324 n_iter = 4 J = 17.318 max(relative change in state) = 0.79463 n_iter = 5 J = 16.288 max(relative change in state) = 0.60868 n_iter = 6 J = 16.286 max(relative change in state) = 0.98304E-02 n_iter = 7 J = 16.281 max(relative change in state) = 0.55298E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 268 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 269 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 269 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 20.991 max(relative change in state) = - n_iter = 2 J = 17.726 max(relative change in state) = 0.50183 n_iter = 3 J = 15.931 max(relative change in state) = 0.71138 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 269 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 270 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 270 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.871 max(relative change in state) = - n_iter = 2 J = 22.663 max(relative change in state) = 0.77406 n_iter = 3 J = 22.229 max(relative change in state) = 0.51595 n_iter = 4 J = 24.000 max(relative change in state) = 0.89357 n_iter = 5 J = 22.212 max(relative change in state) = 0.80429 n_iter = 6 J = 22.211 max(relative change in state) = 0.43468E-02 n_iter = 7 J = 22.202 max(relative change in state) = 0.39742E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 270 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 271 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 271 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 62.751 max(relative change in state) = - n_iter = 2 J = 53.246 max(relative change in state) = 0.80160 n_iter = 3 J = 44.734 max(relative change in state) = 1.4658 n_iter = 4 J = 44.754 max(relative change in state) = 0.45156 n_iter = 5 J = 44.230 max(relative change in state) = 0.28779 n_iter = 6 J = 43.791 max(relative change in state) = 0.30239 n_iter = 7 J = 43.514 max(relative change in state) = 0.26284 n_iter = 8 J = 43.228 max(relative change in state) = 0.24592 n_iter = 9 J = 43.120 max(relative change in state) = 0.15518 n_iter = 10 J = 43.116 max(relative change in state) = 0.29831 n_iter = 11 J = 42.953 max(relative change in state) = 0.65851E-01 n_iter = 12 J = 42.930 max(relative change in state) = 0.18459E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 271 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 272 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 272 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.661 max(relative change in state) = - n_iter = 2 J = 40.786 max(relative change in state) = 0.79336 n_iter = 3 J = 35.265 max(relative change in state) = 1.4129 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 272 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 273 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 273 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 12.142 max(relative change in state) = - n_iter = 2 J = 11.190 max(relative change in state) = 0.61018 n_iter = 3 J = 11.035 max(relative change in state) = 0.30649 n_iter = 4 J = 11.315 max(relative change in state) = 0.39775 n_iter = 5 J = 11.025 max(relative change in state) = 0.32445 n_iter = 6 J = 11.025 max(relative change in state) = 0.32656E-02 n_iter = 7 J = 11.023 max(relative change in state) = 0.19365E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 273 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 274 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 274 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 52.386 max(relative change in state) = - n_iter = 2 J = 44.757 max(relative change in state) = 0.93015 n_iter = 3 J = 42.122 max(relative change in state) = 0.84874 n_iter = 4 J = 42.935 max(relative change in state) = 0.78796 n_iter = 5 J = 42.098 max(relative change in state) = 0.69731 n_iter = 6 J = 42.090 max(relative change in state) = 0.87233E-02 n_iter = 7 J = 42.070 max(relative change in state) = 0.12142 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 274 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 275 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 275 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 112.41 max(relative change in state) = - n_iter = 2 J = 99.140 max(relative change in state) = 2.7239 n_iter = 3 J = 98.039 max(relative change in state) = 1.2224 n_iter = 4 J = 101.21 max(relative change in state) = 1.5621 n_iter = 5 J = 97.949 max(relative change in state) = 1.3310 n_iter = 6 J = 97.933 max(relative change in state) = 0.12976E-01 n_iter = 7 J = 97.988 max(relative change in state) = 0.28239 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 275 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 276 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 276 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 105.57 max(relative change in state) = - n_iter = 2 J = 91.858 max(relative change in state) = 0.75414 n_iter = 3 J = 82.518 max(relative change in state) = 1.0453 n_iter = 4 J = 81.328 max(relative change in state) = 0.65814 n_iter = 5 J = 80.711 max(relative change in state) = 0.43920 n_iter = 6 J = 80.477 max(relative change in state) = 0.74862E-01 n_iter = 7 J = 80.413 max(relative change in state) = 0.53740E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 276 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 277 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 277 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 210.12 max(relative change in state) = - n_iter = 2 J = 317.90 max(relative change in state) = 12.311 n_iter = 3 J = 182.31 max(relative change in state) = 8.3614 n_iter = 4 J = 183.84 max(relative change in state) = 1.1400 n_iter = 5 J = 181.84 max(relative change in state) = 0.84768 n_iter = 6 J = 181.63 max(relative change in state) = 0.97859E-01 n_iter = 7 J = 181.35 max(relative change in state) = 0.38345 n_iter = 8 J = 180.90 max(relative change in state) = 0.17276 n_iter = 9 J = 180.72 max(relative change in state) = 0.29985 n_iter = 10 J = 180.32 max(relative change in state) = 0.13695 n_iter = 11 J = 180.26 max(relative change in state) = 0.84118E-01 n_iter = 12 J = 180.13 max(relative change in state) = 0.22238 n_iter = 13 J = 180.00 max(relative change in state) = 0.12938 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 277 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 278 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 278 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 50.447 max(relative change in state) = - n_iter = 2 J = 44.249 max(relative change in state) = 0.32486 n_iter = 3 J = 31.144 max(relative change in state) = 1.0342 n_iter = 4 J = 27.832 max(relative change in state) = 0.48934 n_iter = 5 J = 26.533 max(relative change in state) = 0.36850 n_iter = 6 J = 24.556 max(relative change in state) = 0.47047 n_iter = 7 J = 23.966 max(relative change in state) = 0.25579 n_iter = 8 J = 23.596 max(relative change in state) = 0.17980 n_iter = 9 J = 23.107 max(relative change in state) = 0.10262 n_iter = 10 J = 22.449 max(relative change in state) = 0.30696 n_iter = 11 J = 22.383 max(relative change in state) = 0.10604 n_iter = 12 J = 22.160 max(relative change in state) = 0.60239E-01 n_iter = 13 J = 22.051 max(relative change in state) = 0.11843 n_iter = 14 J = 21.872 max(relative change in state) = 0.46558E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 278 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 279 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 279 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 57.190 max(relative change in state) = - n_iter = 2 J = 47.092 max(relative change in state) = 0.72673 n_iter = 3 J = 33.184 max(relative change in state) = 2.2039 n_iter = 4 J = 32.992 max(relative change in state) = 0.26087 n_iter = 5 J = 33.070 max(relative change in state) = 0.30676 n_iter = 6 J = 32.917 max(relative change in state) = 0.15378 n_iter = 7 J = 32.915 max(relative change in state) = 0.30980E-02 n_iter = 8 J = 32.900 max(relative change in state) = 0.40154E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 279 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 280 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 280 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 68.706 max(relative change in state) = - n_iter = 2 J = 57.682 max(relative change in state) = 0.38054 n_iter = 3 J = 44.179 max(relative change in state) = 1.0537 n_iter = 4 J = 35.765 max(relative change in state) = 1.3744 n_iter = 5 J = 33.506 max(relative change in state) = 0.59032 n_iter = 6 J = 33.356 max(relative change in state) = 0.40508 n_iter = 7 J = 32.961 max(relative change in state) = 0.19849 n_iter = 8 J = 32.819 max(relative change in state) = 0.59551E-01 n_iter = 9 J = 32.749 max(relative change in state) = 0.42201E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 280 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 281 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 281 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.171 max(relative change in state) = - n_iter = 2 J = 38.458 max(relative change in state) = 1.1345 n_iter = 3 J = 37.975 max(relative change in state) = 0.36521 n_iter = 4 J = 38.120 max(relative change in state) = 0.44632 n_iter = 5 J = 37.783 max(relative change in state) = 0.19098 n_iter = 6 J = 37.780 max(relative change in state) = 0.63658E-02 n_iter = 7 J = 37.763 max(relative change in state) = 0.75327E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 281 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 282 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 282 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 52.118 max(relative change in state) = - n_iter = 2 J = 42.767 max(relative change in state) = 0.33733 n_iter = 3 J = 26.800 max(relative change in state) = 0.83604 n_iter = 4 J = 22.463 max(relative change in state) = 0.54658 n_iter = 5 J = 21.527 max(relative change in state) = 0.20865 n_iter = 6 J = 20.436 max(relative change in state) = 0.37236 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 282 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 283 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 283 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 53.359 max(relative change in state) = - n_iter = 2 J = 48.057 max(relative change in state) = 0.12926 n_iter = 3 J = 43.784 max(relative change in state) = 0.38474 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 283 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 284 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 284 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 282.64 max(relative change in state) = - n_iter = 2 J = 452.55 max(relative change in state) = 14.589 n_iter = 3 J = 226.45 max(relative change in state) = 10.166 n_iter = 4 J = 237.80 max(relative change in state) = 2.7936 n_iter = 5 J = 226.30 max(relative change in state) = 2.5043 n_iter = 6 J = 226.27 max(relative change in state) = 0.14650E-01 n_iter = 7 J = 226.32 max(relative change in state) = 0.36592 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 284 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 285 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 285 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 413.20 max(relative change in state) = - n_iter = 2 J = 1342.2 max(relative change in state) = 28.294 n_iter = 3 J = 358.33 max(relative change in state) = 22.089 n_iter = 4 J = 393.20 max(relative change in state) = 3.6026 n_iter = 5 J = 358.11 max(relative change in state) = 3.3593 n_iter = 6 J = 358.04 max(relative change in state) = 0.33470E-01 n_iter = 7 J = 358.28 max(relative change in state) = 0.43973 n_iter = 8 J = 357.85 max(relative change in state) = 0.14413 n_iter = 9 J = 357.78 max(relative change in state) = 0.59013E-01 n_iter = 10 J = 357.40 max(relative change in state) = 0.33166 n_iter = 11 J = 357.26 max(relative change in state) = 0.46552 n_iter = 12 J = 357.18 max(relative change in state) = 0.13990 n_iter = 13 J = 357.14 max(relative change in state) = 0.22299E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 285 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 286 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 286 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.285 max(relative change in state) = - n_iter = 2 J = 27.088 max(relative change in state) = 0.32091 n_iter = 3 J = 20.671 max(relative change in state) = 0.65935 n_iter = 4 J = 18.467 max(relative change in state) = 0.71908 n_iter = 5 J = 21.941 max(relative change in state) = 0.98516 n_iter = 6 J = 17.868 max(relative change in state) = 0.77051 n_iter = 7 J = 17.469 max(relative change in state) = 0.95830E-01 n_iter = 8 J = 17.382 max(relative change in state) = 0.10336 n_iter = 9 J = 16.897 max(relative change in state) = 0.10300 n_iter = 10 J = 16.797 max(relative change in state) = 0.15080 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 286 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 287 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 287 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 12.412 max(relative change in state) = - n_iter = 2 J = 10.521 max(relative change in state) = 0.38793 n_iter = 3 J = 9.5595 max(relative change in state) = 0.70667 n_iter = 4 J = 11.080 max(relative change in state) = 0.88287 n_iter = 5 J = 9.5529 max(relative change in state) = 0.82532 n_iter = 6 J = 9.5517 max(relative change in state) = 0.19869E-02 n_iter = 7 J = 9.5400 max(relative change in state) = 0.55849E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 287 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 288 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 288 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 40.335 max(relative change in state) = - n_iter = 2 J = 33.725 max(relative change in state) = 0.60640 n_iter = 3 J = 26.903 max(relative change in state) = 0.93922 n_iter = 4 J = 27.018 max(relative change in state) = 0.78461 n_iter = 5 J = 25.338 max(relative change in state) = 0.54968 n_iter = 6 J = 24.953 max(relative change in state) = 0.20299 n_iter = 7 J = 24.880 max(relative change in state) = 0.11451 n_iter = 8 J = 24.623 max(relative change in state) = 0.48088E-01 n_iter = 9 J = 24.461 max(relative change in state) = 0.98021E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 288 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 289 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 289 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 263.57 max(relative change in state) = - n_iter = 2 J = 806.42 max(relative change in state) = 17.286 n_iter = 3 J = 237.09 max(relative change in state) = 14.651 n_iter = 4 J = 241.57 max(relative change in state) = 1.5283 n_iter = 5 J = 236.99 max(relative change in state) = 1.3461 n_iter = 6 J = 236.96 max(relative change in state) = 0.18578E-01 n_iter = 7 J = 236.87 max(relative change in state) = 0.23606 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 289 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 290 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 290 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 290 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 291 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 291 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 37.552 max(relative change in state) = - n_iter = 2 J = 31.589 max(relative change in state) = 0.89747 n_iter = 3 J = 27.966 max(relative change in state) = 1.2076 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 291 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 292 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 292 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 59.007 max(relative change in state) = - n_iter = 2 J = 52.326 max(relative change in state) = 1.2683 n_iter = 3 J = 51.397 max(relative change in state) = 0.41660 n_iter = 4 J = 56.047 max(relative change in state) = 1.4765 n_iter = 5 J = 51.325 max(relative change in state) = 1.3050 n_iter = 6 J = 51.314 max(relative change in state) = 0.11694E-01 n_iter = 7 J = 51.265 max(relative change in state) = 0.17692 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 292 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 293 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 293 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 65.641 max(relative change in state) = - n_iter = 2 J = 55.335 max(relative change in state) = 0.82531 n_iter = 3 J = 48.195 max(relative change in state) = 1.1768 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 293 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 294 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 294 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.685 max(relative change in state) = - n_iter = 2 J = 58.508 max(relative change in state) = 0.87370 n_iter = 3 J = 51.109 max(relative change in state) = 1.5066 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 294 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 295 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 295 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 212.93 max(relative change in state) = - n_iter = 2 J = 333.26 max(relative change in state) = 11.641 n_iter = 3 J = 185.24 max(relative change in state) = 8.4860 n_iter = 4 J = 184.54 max(relative change in state) = 0.56838 n_iter = 5 J = 183.72 max(relative change in state) = 0.25519 n_iter = 6 J = 183.59 max(relative change in state) = 0.21021 n_iter = 7 J = 183.55 max(relative change in state) = 0.98293E-01 n_iter = 8 J = 183.51 max(relative change in state) = 0.24931E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 295 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 296 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 296 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.260 max(relative change in state) = - n_iter = 2 J = 34.660 max(relative change in state) = 0.95409 n_iter = 3 J = 33.630 max(relative change in state) = 0.71158 n_iter = 4 J = 33.734 max(relative change in state) = 0.22329 n_iter = 5 J = 33.475 max(relative change in state) = 0.16136 n_iter = 6 J = 33.438 max(relative change in state) = 0.52526E-01 n_iter = 7 J = 33.472 max(relative change in state) = 0.79448E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 296 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 297 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 297 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 151.80 max(relative change in state) = - n_iter = 2 J = 166.63 max(relative change in state) = 5.7872 n_iter = 3 J = 139.24 max(relative change in state) = 3.0927 n_iter = 4 J = 140.49 max(relative change in state) = 1.0120 n_iter = 5 J = 139.19 max(relative change in state) = 0.85823 n_iter = 6 J = 139.17 max(relative change in state) = 0.12061E-01 n_iter = 7 J = 139.06 max(relative change in state) = 0.20599 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 297 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 298 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 298 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 207.41 max(relative change in state) = - n_iter = 2 J = 126.42 max(relative change in state) = 4.4368 n_iter = 3 J = 120.99 max(relative change in state) = 1.2081 n_iter = 4 J = 134.45 max(relative change in state) = 2.6416 n_iter = 5 J = 120.52 max(relative change in state) = 2.2741 n_iter = 6 J = 120.37 max(relative change in state) = 0.29826E-01 n_iter = 7 J = 120.41 max(relative change in state) = 0.59703 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 298 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 299 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 299 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 99.785 max(relative change in state) = - n_iter = 2 J = 88.877 max(relative change in state) = 1.2514 n_iter = 3 J = 85.987 max(relative change in state) = 1.0637 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 299 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 300 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 300 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 273.29 max(relative change in state) = - n_iter = 2 J = 1072.1 max(relative change in state) = 20.801 n_iter = 3 J = 250.48 max(relative change in state) = 17.049 n_iter = 4 J = 261.98 max(relative change in state) = 2.6128 n_iter = 5 J = 250.41 max(relative change in state) = 2.4046 n_iter = 6 J = 250.40 max(relative change in state) = 0.75793E-02 n_iter = 7 J = 250.33 max(relative change in state) = 0.14743 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 300 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 301 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 301 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 92.258 max(relative change in state) = - n_iter = 2 J = 85.176 max(relative change in state) = 0.25878 n_iter = 3 J = 75.335 max(relative change in state) = 0.39849 n_iter = 4 J = 63.025 max(relative change in state) = 1.1768 n_iter = 5 J = 62.271 max(relative change in state) = 0.36700 n_iter = 6 J = 61.386 max(relative change in state) = 0.12829 n_iter = 7 J = 59.542 max(relative change in state) = 0.31064 n_iter = 8 J = 58.424 max(relative change in state) = 0.19280 n_iter = 9 J = 57.934 max(relative change in state) = 0.10397 n_iter = 10 J = 57.680 max(relative change in state) = 0.97628E-01 n_iter = 11 J = 57.307 max(relative change in state) = 0.19440 n_iter = 12 J = 57.335 max(relative change in state) = 0.23067 n_iter = 13 J = 57.029 max(relative change in state) = 0.11556 n_iter = 14 J = 56.962 max(relative change in state) = 0.31289E-01 n_iter = 15 J = 56.832 max(relative change in state) = 0.91874E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 301 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 302 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 302 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 66.610 max(relative change in state) = - n_iter = 2 J = 61.413 max(relative change in state) = 0.48009 n_iter = 3 J = 57.143 max(relative change in state) = 1.0765 n_iter = 4 J = 56.072 max(relative change in state) = 0.31504 n_iter = 5 J = 57.384 max(relative change in state) = 0.93925 n_iter = 6 J = 55.382 max(relative change in state) = 0.73985 n_iter = 7 J = 54.395 max(relative change in state) = 0.22164 n_iter = 8 J = 54.082 max(relative change in state) = 0.57215E-01 n_iter = 9 J = 53.682 max(relative change in state) = 0.13904 n_iter = 10 J = 53.565 max(relative change in state) = 0.92246E-01 n_iter = 11 J = 53.422 max(relative change in state) = 0.89735E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 302 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 303 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 303 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 1805.1 max(relative change in state) = - n_iter = 2 J = 44068. max(relative change in state) = 138.09 n_iter = 3 J = 1737.3 max(relative change in state) = 133.97 n_iter = 4 J = 1740.5 max(relative change in state) = 1.3741 n_iter = 5 J = 1735.1 max(relative change in state) = 0.78642 n_iter = 6 J = 1734.7 max(relative change in state) = 0.13945 n_iter = 7 J = 1734.4 max(relative change in state) = 0.25159 n_iter = 8 J = 1734.1 max(relative change in state) = 0.18760 n_iter = 9 J = 1733.6 max(relative change in state) = 1.5866 n_iter = 10 J = 1733.1 max(relative change in state) = 0.17536 n_iter = 11 J = 1733.1 max(relative change in state) = 0.23083E-01 n_iter = 12 J = 1733.0 max(relative change in state) = 0.91043E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 303 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 304 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 304 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 76.514 max(relative change in state) = - n_iter = 2 J = 72.534 max(relative change in state) = 0.16207 n_iter = 3 J = 59.308 max(relative change in state) = 0.76395 n_iter = 4 J = 48.768 max(relative change in state) = 1.7739 n_iter = 5 J = 47.576 max(relative change in state) = 0.26800 n_iter = 6 J = 46.706 max(relative change in state) = 0.14776 n_iter = 7 J = 46.190 max(relative change in state) = 0.12654 n_iter = 8 J = 45.846 max(relative change in state) = 0.14479 n_iter = 9 J = 45.527 max(relative change in state) = 0.87907E-01 n_iter = 10 J = 45.379 max(relative change in state) = 0.32107E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 304 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 305 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 305 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.480 max(relative change in state) = - n_iter = 2 J = 35.245 max(relative change in state) = 0.80431 n_iter = 3 J = 32.589 max(relative change in state) = 1.3162 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 305 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 306 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 306 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.562 max(relative change in state) = - n_iter = 2 J = 29.566 max(relative change in state) = 0.66041 n_iter = 3 J = 23.859 max(relative change in state) = 1.2503 n_iter = 4 J = 24.321 max(relative change in state) = 0.58848 n_iter = 5 J = 23.810 max(relative change in state) = 0.48360 n_iter = 6 J = 23.787 max(relative change in state) = 0.21469E-01 n_iter = 7 J = 23.744 max(relative change in state) = 0.15070 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 306 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 307 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 307 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 81.177 max(relative change in state) = - n_iter = 2 J = 66.783 max(relative change in state) = 0.84798 n_iter = 3 J = 47.058 max(relative change in state) = 2.3656 n_iter = 4 J = 47.067 max(relative change in state) = 0.40178 n_iter = 5 J = 46.781 max(relative change in state) = 0.21371 n_iter = 6 J = 46.748 max(relative change in state) = 0.11623 n_iter = 7 J = 46.740 max(relative change in state) = 0.42831E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 307 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 308 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 308 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 63.028 max(relative change in state) = - n_iter = 2 J = 61.386 max(relative change in state) = 0.76284E-01 n_iter = 3 J = 59.325 max(relative change in state) = 0.16645 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 308 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 309 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 309 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 18.302 max(relative change in state) = - n_iter = 2 J = 15.348 max(relative change in state) = 0.42337 n_iter = 3 J = 13.410 max(relative change in state) = 0.69745 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 309 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 310 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 310 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 169.48 max(relative change in state) = - n_iter = 2 J = 160.59 max(relative change in state) = 4.2186 n_iter = 3 J = 150.98 max(relative change in state) = 2.1585 n_iter = 4 J = 150.49 max(relative change in state) = 0.41855 n_iter = 5 J = 149.83 max(relative change in state) = 0.26052 n_iter = 6 J = 149.70 max(relative change in state) = 0.11616 n_iter = 7 J = 149.39 max(relative change in state) = 0.20675 n_iter = 8 J = 149.27 max(relative change in state) = 0.97150E-01 n_iter = 9 J = 149.22 max(relative change in state) = 0.76237E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 310 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 311 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 311 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 90.389 max(relative change in state) = - n_iter = 2 J = 75.153 max(relative change in state) = 0.90562 n_iter = 3 J = 60.403 max(relative change in state) = 2.1139 n_iter = 4 J = 66.598 max(relative change in state) = 1.9168 n_iter = 5 J = 60.355 max(relative change in state) = 1.7548 n_iter = 6 J = 60.348 max(relative change in state) = 0.55112E-02 n_iter = 7 J = 60.294 max(relative change in state) = 0.13616 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 311 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 312 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 312 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.785 max(relative change in state) = - n_iter = 2 J = 22.689 max(relative change in state) = 0.61244 n_iter = 3 J = 20.767 max(relative change in state) = 1.1001 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 312 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 313 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 313 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 10.692 max(relative change in state) = - n_iter = 2 J = 9.3115 max(relative change in state) = 0.55597 n_iter = 3 J = 9.0517 max(relative change in state) = 0.30003 n_iter = 4 J = 10.349 max(relative change in state) = 0.84728 n_iter = 5 J = 9.0851 max(relative change in state) = 0.68593 n_iter = 6 J = 9.0569 max(relative change in state) = 0.93221E-01 n_iter = 7 J = 9.0544 max(relative change in state) = 0.98521E-02 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 313 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 314 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 314 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 67.557 max(relative change in state) = - n_iter = 2 J = 58.342 max(relative change in state) = 0.74407 n_iter = 3 J = 48.911 max(relative change in state) = 1.7844 n_iter = 4 J = 54.211 max(relative change in state) = 1.6680 n_iter = 5 J = 48.556 max(relative change in state) = 1.4836 n_iter = 6 J = 48.304 max(relative change in state) = 0.69541E-01 n_iter = 7 J = 48.039 max(relative change in state) = 0.49215 n_iter = 8 J = 47.342 max(relative change in state) = 0.36011 n_iter = 9 J = 46.770 max(relative change in state) = 0.31928 n_iter = 10 J = 46.492 max(relative change in state) = 0.50379 n_iter = 11 J = 46.125 max(relative change in state) = 0.33800 n_iter = 12 J = 45.881 max(relative change in state) = 0.13532 n_iter = 13 J = 45.663 max(relative change in state) = 0.69692 n_iter = 14 J = 45.384 max(relative change in state) = 0.25156 n_iter = 15 J = 45.331 max(relative change in state) = 0.10561 n_iter = 16 J = 45.348 max(relative change in state) = 0.12360 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 314 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 315 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 315 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 32.347 max(relative change in state) = - n_iter = 2 J = 27.491 max(relative change in state) = 0.78275 n_iter = 3 J = 25.218 max(relative change in state) = 0.94535 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 315 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 316 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 316 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 32.463 max(relative change in state) = - n_iter = 2 J = 27.174 max(relative change in state) = 0.50579 n_iter = 3 J = 23.164 max(relative change in state) = 0.88475 n_iter = 4 J = 23.203 max(relative change in state) = 0.31066 n_iter = 5 J = 23.128 max(relative change in state) = 0.22919 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 316 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 317 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 317 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 45.334 max(relative change in state) = - n_iter = 2 J = 38.038 max(relative change in state) = 0.85300 n_iter = 3 J = 32.865 max(relative change in state) = 1.4027 n_iter = 4 J = 38.447 max(relative change in state) = 1.7237 n_iter = 5 J = 32.839 max(relative change in state) = 1.6022 n_iter = 6 J = 32.837 max(relative change in state) = 0.46034E-02 n_iter = 7 J = 32.816 max(relative change in state) = 0.66866E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 317 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 318 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 318 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 50.615 max(relative change in state) = - n_iter = 2 J = 44.695 max(relative change in state) = 0.89562 n_iter = 3 J = 44.655 max(relative change in state) = 0.47839 n_iter = 4 J = 44.378 max(relative change in state) = 0.43097 n_iter = 5 J = 44.339 max(relative change in state) = 0.17593E-01 n_iter = 6 J = 44.334 max(relative change in state) = 0.15026E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 318 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 319 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 319 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 19.856 max(relative change in state) = - n_iter = 2 J = 16.751 max(relative change in state) = 0.48410 n_iter = 3 J = 14.938 max(relative change in state) = 0.69462 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 319 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 320 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 320 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.337 max(relative change in state) = - n_iter = 2 J = 24.430 max(relative change in state) = 0.64513 n_iter = 3 J = 23.311 max(relative change in state) = 0.44699 n_iter = 4 J = 26.805 max(relative change in state) = 1.2484 n_iter = 5 J = 23.294 max(relative change in state) = 1.1663 n_iter = 6 J = 23.291 max(relative change in state) = 0.42082E-02 n_iter = 7 J = 23.261 max(relative change in state) = 0.12098 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 320 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 321 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 321 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 82.006 max(relative change in state) = - n_iter = 2 J = 69.958 max(relative change in state) = 1.1604 n_iter = 3 J = 65.293 max(relative change in state) = 1.1087 n_iter = 4 J = 68.350 max(relative change in state) = 1.4770 n_iter = 5 J = 65.031 max(relative change in state) = 1.1834 n_iter = 6 J = 64.965 max(relative change in state) = 0.45072E-01 n_iter = 7 J = 64.651 max(relative change in state) = 0.55724 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 321 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 322 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 322 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 121.71 max(relative change in state) = - n_iter = 2 J = 106.72 max(relative change in state) = 0.75789 n_iter = 3 J = 92.340 max(relative change in state) = 1.2227 n_iter = 4 J = 88.459 max(relative change in state) = 0.70625 n_iter = 5 J = 87.067 max(relative change in state) = 0.56918 n_iter = 6 J = 87.064 max(relative change in state) = 0.36717 n_iter = 7 J = 86.523 max(relative change in state) = 0.15655 n_iter = 8 J = 86.452 max(relative change in state) = 0.27851E-01 n_iter = 9 J = 86.324 max(relative change in state) = 0.32826 n_iter = 10 J = 86.230 max(relative change in state) = 0.85365E-01 n_iter = 11 J = 86.044 max(relative change in state) = 0.58745E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 322 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 323 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 323 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.121 max(relative change in state) = - n_iter = 2 J = 22.670 max(relative change in state) = 0.70394 n_iter = 3 J = 19.449 max(relative change in state) = 1.1600 n_iter = 4 J = 19.715 max(relative change in state) = 0.49200 n_iter = 5 J = 19.405 max(relative change in state) = 0.36282 n_iter = 6 J = 19.393 max(relative change in state) = 0.22534E-01 n_iter = 7 J = 19.344 max(relative change in state) = 0.13063 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 323 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 324 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 324 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.676 max(relative change in state) = - n_iter = 2 J = 14.708 max(relative change in state) = 0.12625 n_iter = 3 J = 10.701 max(relative change in state) = 0.32585 n_iter = 4 J = 9.7390 max(relative change in state) = 0.15469 n_iter = 5 J = 8.5325 max(relative change in state) = 0.31731 n_iter = 6 J = 8.2714 max(relative change in state) = 0.28077 n_iter = 7 J = 7.9158 max(relative change in state) = 0.92098E-01 n_iter = 8 J = 7.8776 max(relative change in state) = 0.25656E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 324 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 325 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 325 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 325 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 326 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 326 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 270.35 max(relative change in state) = - n_iter = 2 J = 504.41 max(relative change in state) = 14.366 n_iter = 3 J = 226.84 max(relative change in state) = 10.523 n_iter = 4 J = 230.72 max(relative change in state) = 1.2197 n_iter = 5 J = 226.75 max(relative change in state) = 1.0764 n_iter = 6 J = 226.72 max(relative change in state) = 0.12595E-01 n_iter = 7 J = 226.60 max(relative change in state) = 0.25564 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 326 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 327 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 327 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.277 max(relative change in state) = - n_iter = 2 J = 57.623 max(relative change in state) = 1.1237 n_iter = 3 J = 47.388 max(relative change in state) = 2.3823 n_iter = 4 J = 51.581 max(relative change in state) = 1.7035 n_iter = 5 J = 47.331 max(relative change in state) = 1.5201 n_iter = 6 J = 47.321 max(relative change in state) = 0.59278E-02 n_iter = 7 J = 47.325 max(relative change in state) = 0.20714 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 327 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 328 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 328 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 19.078 max(relative change in state) = - n_iter = 2 J = 16.314 max(relative change in state) = 0.44372 n_iter = 3 J = 15.350 max(relative change in state) = 0.47829 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 328 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 329 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 329 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 1128.6 max(relative change in state) = - n_iter = 2 J = 2634.0 max(relative change in state) = 31.355 n_iter = 3 J = 836.20 max(relative change in state) = 23.194 n_iter = 4 J = 1041.5 max(relative change in state) = 10.919 n_iter = 5 J = 835.17 max(relative change in state) = 9.8610 n_iter = 6 J = 835.05 max(relative change in state) = 0.14815 n_iter = 7 J = 834.85 max(relative change in state) = 0.22156 n_iter = 8 J = 834.42 max(relative change in state) = 0.20960 n_iter = 9 J = 834.62 max(relative change in state) = 0.94384 n_iter = 10 J = 833.89 max(relative change in state) = 0.60685 n_iter = 11 J = 833.87 max(relative change in state) = 0.58397E-01 n_iter = 12 J = 833.86 max(relative change in state) = 0.16361E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 329 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 330 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 330 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 330 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 331 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 331 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 15.285 max(relative change in state) = - n_iter = 2 J = 12.865 max(relative change in state) = 0.36134 n_iter = 3 J = 11.330 max(relative change in state) = 0.65331 n_iter = 4 J = 11.358 max(relative change in state) = 0.10953 n_iter = 5 J = 11.298 max(relative change in state) = 0.75764E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 331 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 332 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 332 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 332 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 333 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 333 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 67.743 max(relative change in state) = - n_iter = 2 J = 57.678 max(relative change in state) = 0.37751 n_iter = 3 J = 35.205 max(relative change in state) = 1.6507 n_iter = 4 J = 33.046 max(relative change in state) = 0.42234 n_iter = 5 J = 32.597 max(relative change in state) = 0.32298 n_iter = 6 J = 32.110 max(relative change in state) = 0.15115 n_iter = 7 J = 32.006 max(relative change in state) = 0.11655 n_iter = 8 J = 31.924 max(relative change in state) = 0.75870E-01 n_iter = 9 J = 31.909 max(relative change in state) = 0.30831 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 333 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 334 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 334 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 236.00 max(relative change in state) = - n_iter = 2 J = 637.35 max(relative change in state) = 15.510 n_iter = 3 J = 213.60 max(relative change in state) = 11.964 n_iter = 4 J = 219.71 max(relative change in state) = 1.8573 n_iter = 5 J = 213.52 max(relative change in state) = 1.6781 n_iter = 6 J = 213.49 max(relative change in state) = 0.12544E-01 n_iter = 7 J = 213.56 max(relative change in state) = 0.30211 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 334 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 335 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 335 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.827 max(relative change in state) = - n_iter = 2 J = 39.062 max(relative change in state) = 0.25579 n_iter = 3 J = 30.630 max(relative change in state) = 1.5312 n_iter = 4 J = 30.836 max(relative change in state) = 0.38530 n_iter = 5 J = 29.953 max(relative change in state) = 0.42417 n_iter = 6 J = 28.829 max(relative change in state) = 0.19045 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 335 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 336 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 336 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 120.20 max(relative change in state) = - n_iter = 2 J = 104.65 max(relative change in state) = 1.6903 n_iter = 3 J = 99.770 max(relative change in state) = 0.71083 n_iter = 4 J = 96.901 max(relative change in state) = 1.0123 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 336 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 337 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 337 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 163.57 max(relative change in state) = - n_iter = 2 J = 140.35 max(relative change in state) = 3.8958 n_iter = 3 J = 132.47 max(relative change in state) = 1.4027 n_iter = 4 J = 134.28 max(relative change in state) = 0.94421 n_iter = 5 J = 132.34 max(relative change in state) = 0.77688 n_iter = 6 J = 132.30 max(relative change in state) = 0.21541E-01 n_iter = 7 J = 132.06 max(relative change in state) = 0.30267 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 337 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 338 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 338 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 65.709 max(relative change in state) = - n_iter = 2 J = 59.031 max(relative change in state) = 1.5185 n_iter = 3 J = 58.011 max(relative change in state) = 0.65577 n_iter = 4 J = 58.099 max(relative change in state) = 0.36240 n_iter = 5 J = 57.989 max(relative change in state) = 0.28591 n_iter = 6 J = 57.985 max(relative change in state) = 0.22003E-01 n_iter = 7 J = 57.981 max(relative change in state) = 0.44571E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 338 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 339 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 339 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 111.64 max(relative change in state) = - n_iter = 2 J = 97.528 max(relative change in state) = 1.6431 n_iter = 3 J = 94.974 max(relative change in state) = 0.95979 n_iter = 4 J = 106.93 max(relative change in state) = 2.2320 n_iter = 5 J = 94.906 max(relative change in state) = 2.0700 n_iter = 6 J = 94.893 max(relative change in state) = 0.10864E-01 n_iter = 7 J = 94.799 max(relative change in state) = 0.23282 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 339 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 340 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 340 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 90.497 max(relative change in state) = - n_iter = 2 J = 76.657 max(relative change in state) = 1.1314 n_iter = 3 J = 64.006 max(relative change in state) = 1.9901 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 340 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 341 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 341 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 21.758 max(relative change in state) = - n_iter = 2 J = 18.422 max(relative change in state) = 0.51658 n_iter = 3 J = 16.584 max(relative change in state) = 0.67053 n_iter = 4 J = 18.399 max(relative change in state) = 0.89386 n_iter = 5 J = 16.572 max(relative change in state) = 0.82783 n_iter = 6 J = 16.569 max(relative change in state) = 0.30419E-02 n_iter = 7 J = 16.563 max(relative change in state) = 0.98212E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 341 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 342 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 342 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 2 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.708 max(relative change in state) = - n_iter = 2 J = 41.879 max(relative change in state) = 0.69444 n_iter = 3 J = 37.585 max(relative change in state) = 1.3456 n_iter = 4 J = 42.551 max(relative change in state) = 1.4463 n_iter = 5 J = 37.486 max(relative change in state) = 1.3571 n_iter = 6 J = 37.416 max(relative change in state) = 0.34689E-01 n_iter = 7 J = 37.843 max(relative change in state) = 0.23676 n_iter = 8 J = 37.313 max(relative change in state) = 0.21100 n_iter = 9 J = 37.266 max(relative change in state) = 0.25638E-01 n_iter = 10 J = 37.088 max(relative change in state) = 0.17569 n_iter = 11 J = 37.044 max(relative change in state) = 0.16570 n_iter = 12 J = 37.003 max(relative change in state) = 0.26571E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 342 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 343 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 343 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.309 max(relative change in state) = - n_iter = 2 J = 22.688 max(relative change in state) = 0.23682 n_iter = 3 J = 18.147 max(relative change in state) = 0.60529 n_iter = 4 J = 18.180 max(relative change in state) = 0.47859 n_iter = 5 J = 17.103 max(relative change in state) = 0.31157 n_iter = 6 J = 16.983 max(relative change in state) = 0.28041 n_iter = 7 J = 16.577 max(relative change in state) = 0.10217 n_iter = 8 J = 16.508 max(relative change in state) = 0.14541 n_iter = 9 J = 16.403 max(relative change in state) = 0.13293 n_iter = 10 J = 16.185 max(relative change in state) = 0.14224 n_iter = 11 J = 16.310 max(relative change in state) = 0.20435 n_iter = 12 J = 15.951 max(relative change in state) = 0.12644 n_iter = 13 J = 15.977 max(relative change in state) = 0.10246 n_iter = 14 J = 15.939 max(relative change in state) = 0.91748E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 343 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 344 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 344 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.526 max(relative change in state) = - n_iter = 2 J = 41.340 max(relative change in state) = 0.65252 n_iter = 3 J = 35.807 max(relative change in state) = 1.5074 n_iter = 4 J = 39.195 max(relative change in state) = 1.2947 n_iter = 5 J = 35.741 max(relative change in state) = 1.1691 n_iter = 6 J = 35.712 max(relative change in state) = 0.17606E-01 n_iter = 7 J = 35.783 max(relative change in state) = 0.40938 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 344 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 345 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 345 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.941 max(relative change in state) = - n_iter = 2 J = 35.277 max(relative change in state) = 0.60697 n_iter = 3 J = 21.695 max(relative change in state) = 2.2020 n_iter = 4 J = 28.053 max(relative change in state) = 1.9727 n_iter = 5 J = 21.554 max(relative change in state) = 1.6984 n_iter = 6 J = 21.530 max(relative change in state) = 0.14079E-01 n_iter = 7 J = 21.345 max(relative change in state) = 0.35474 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 345 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 346 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 346 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.573 max(relative change in state) = - n_iter = 2 J = 79.281 max(relative change in state) = 1.0937 n_iter = 3 J = 70.992 max(relative change in state) = 1.7151 n_iter = 4 J = 72.209 max(relative change in state) = 0.84449 n_iter = 5 J = 70.237 max(relative change in state) = 0.62611 n_iter = 6 J = 70.158 max(relative change in state) = 0.93380E-01 n_iter = 7 J = 69.954 max(relative change in state) = 0.22259 n_iter = 8 J = 69.725 max(relative change in state) = 0.20305 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 346 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 347 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 347 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 149.04 max(relative change in state) = - n_iter = 2 J = 132.21 max(relative change in state) = 2.7041 n_iter = 3 J = 124.96 max(relative change in state) = 0.99787 n_iter = 4 J = 125.79 max(relative change in state) = 0.91942 n_iter = 5 J = 124.70 max(relative change in state) = 0.65342 n_iter = 6 J = 124.65 max(relative change in state) = 0.66032E-01 n_iter = 7 J = 124.53 max(relative change in state) = 0.19414 n_iter = 8 J = 124.45 max(relative change in state) = 0.81258E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 347 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 348 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 348 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.562 max(relative change in state) = - n_iter = 2 J = 26.935 max(relative change in state) = 0.10507 n_iter = 3 J = 20.770 max(relative change in state) = 0.84193 n_iter = 4 J = 20.153 max(relative change in state) = 0.25201 n_iter = 5 J = 19.848 max(relative change in state) = 0.32264 n_iter = 6 J = 19.354 max(relative change in state) = 0.14981 n_iter = 7 J = 19.093 max(relative change in state) = 0.87616E-01 n_iter = 8 J = 18.994 max(relative change in state) = 0.92015E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 348 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 349 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 349 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.220 max(relative change in state) = - n_iter = 2 J = 26.031 max(relative change in state) = 0.54820 n_iter = 3 J = 21.285 max(relative change in state) = 1.1010 n_iter = 4 J = 23.754 max(relative change in state) = 0.94213 n_iter = 5 J = 21.266 max(relative change in state) = 0.86698 n_iter = 6 J = 21.261 max(relative change in state) = 0.76787E-02 n_iter = 7 J = 21.223 max(relative change in state) = 0.20542 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 349 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 350 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 350 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 103.19 max(relative change in state) = - n_iter = 2 J = 93.976 max(relative change in state) = 2.1754 n_iter = 3 J = 93.117 max(relative change in state) = 0.52109 n_iter = 4 J = 94.156 max(relative change in state) = 0.66329 n_iter = 5 J = 93.090 max(relative change in state) = 0.58461 n_iter = 6 J = 93.079 max(relative change in state) = 0.10722E-01 n_iter = 7 J = 93.116 max(relative change in state) = 0.17276 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 350 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 351 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 351 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 123.67 max(relative change in state) = - n_iter = 2 J = 117.91 max(relative change in state) = 0.40612 n_iter = 3 J = 111.89 max(relative change in state) = 0.53035 n_iter = 4 J = 101.88 max(relative change in state) = 1.1611 n_iter = 5 J = 99.963 max(relative change in state) = 0.42565 n_iter = 6 J = 98.315 max(relative change in state) = 0.93825 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 351 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 352 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 352 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 403.73 max(relative change in state) = - n_iter = 2 J = 1180.0 max(relative change in state) = 23.235 n_iter = 3 J = 340.56 max(relative change in state) = 17.324 n_iter = 4 J = 343.93 max(relative change in state) = 1.4792 n_iter = 5 J = 340.25 max(relative change in state) = 0.97329 n_iter = 6 J = 339.92 max(relative change in state) = 0.19192 n_iter = 7 J = 339.70 max(relative change in state) = 0.27078 n_iter = 8 J = 339.58 max(relative change in state) = 0.91747E-01 n_iter = 9 J = 339.00 max(relative change in state) = 0.53729 n_iter = 10 J = 339.17 max(relative change in state) = 0.36899 n_iter = 11 J = 338.85 max(relative change in state) = 0.20234 n_iter = 12 J = 338.83 max(relative change in state) = 0.14284E-01 n_iter = 13 J = 338.81 max(relative change in state) = 0.16615 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 352 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 353 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 353 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 242.75 max(relative change in state) = - n_iter = 2 J = 464.92 max(relative change in state) = 9.7678 n_iter = 3 J = 214.72 max(relative change in state) = 7.8661 n_iter = 4 J = 214.61 max(relative change in state) = 0.26532 n_iter = 5 J = 214.31 max(relative change in state) = 0.21456 n_iter = 6 J = 214.17 max(relative change in state) = 0.75819E-01 n_iter = 7 J = 214.36 max(relative change in state) = 0.15501 n_iter = 8 J = 214.04 max(relative change in state) = 0.99296E-01 n_iter = 9 J = 213.94 max(relative change in state) = 0.52189E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 353 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 354 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 354 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 75.541 max(relative change in state) = - n_iter = 2 J = 64.997 max(relative change in state) = 0.78568 n_iter = 3 J = 56.925 max(relative change in state) = 1.2756 n_iter = 4 J = 56.940 max(relative change in state) = 0.41549 n_iter = 5 J = 56.153 max(relative change in state) = 0.40232 n_iter = 6 J = 55.977 max(relative change in state) = 0.10728 n_iter = 7 J = 56.060 max(relative change in state) = 0.33704 n_iter = 8 J = 55.795 max(relative change in state) = 0.19047 n_iter = 9 J = 55.739 max(relative change in state) = 0.57468E-01 n_iter = 10 J = 55.816 max(relative change in state) = 0.97682E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 354 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 355 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 355 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 97.865 max(relative change in state) = - n_iter = 2 J = 85.658 max(relative change in state) = 1.5290 n_iter = 3 J = 83.169 max(relative change in state) = 0.88903 n_iter = 4 J = 87.512 max(relative change in state) = 1.2181 n_iter = 5 J = 82.987 max(relative change in state) = 1.0720 n_iter = 6 J = 82.925 max(relative change in state) = 0.18355E-01 n_iter = 7 J = 82.718 max(relative change in state) = 0.16777 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 355 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 356 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 356 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 200.05 max(relative change in state) = - n_iter = 2 J = 229.42 max(relative change in state) = 8.2653 n_iter = 3 J = 164.90 max(relative change in state) = 5.2472 n_iter = 4 J = 181.79 max(relative change in state) = 3.0672 n_iter = 5 J = 164.77 max(relative change in state) = 2.7881 n_iter = 6 J = 164.76 max(relative change in state) = 0.10229E-01 n_iter = 7 J = 164.62 max(relative change in state) = 0.15692 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 356 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 357 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 357 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 41.008 max(relative change in state) = - n_iter = 2 J = 35.827 max(relative change in state) = 1.2999 n_iter = 3 J = 35.199 max(relative change in state) = 0.43979 n_iter = 4 J = 37.021 max(relative change in state) = 1.3913 n_iter = 5 J = 35.176 max(relative change in state) = 1.2507 n_iter = 6 J = 35.175 max(relative change in state) = 0.38056E-02 n_iter = 7 J = 35.171 max(relative change in state) = 0.17371E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 357 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 358 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 358 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 97.059 max(relative change in state) = - n_iter = 2 J = 83.685 max(relative change in state) = 0.55028 n_iter = 3 J = 70.870 max(relative change in state) = 1.6325 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 358 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 359 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 359 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.124 max(relative change in state) = - n_iter = 2 J = 30.275 max(relative change in state) = 0.42922 n_iter = 3 J = 24.392 max(relative change in state) = 1.0418 n_iter = 4 J = 24.210 max(relative change in state) = 0.40218 n_iter = 5 J = 23.805 max(relative change in state) = 0.21329 n_iter = 6 J = 23.751 max(relative change in state) = 0.13091 n_iter = 7 J = 23.720 max(relative change in state) = 0.85510E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 359 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 360 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 360 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.363 max(relative change in state) = - n_iter = 2 J = 15.287 max(relative change in state) = 0.61538 n_iter = 3 J = 14.740 max(relative change in state) = 0.42681 n_iter = 4 J = 16.567 max(relative change in state) = 1.0658 n_iter = 5 J = 14.714 max(relative change in state) = 0.98934 n_iter = 6 J = 14.699 max(relative change in state) = 0.14886E-01 n_iter = 7 J = 14.849 max(relative change in state) = 0.16274 n_iter = 8 J = 14.685 max(relative change in state) = 0.15343 n_iter = 9 J = 14.674 max(relative change in state) = 0.12136E-01 n_iter = 10 J = 14.673 max(relative change in state) = 0.49640E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 360 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 361 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 361 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 34.139 max(relative change in state) = - n_iter = 2 J = 29.248 max(relative change in state) = 0.76616 n_iter = 3 J = 27.259 max(relative change in state) = 0.92498 n_iter = 4 J = 29.613 max(relative change in state) = 1.1840 n_iter = 5 J = 27.190 max(relative change in state) = 1.0320 n_iter = 6 J = 27.169 max(relative change in state) = 0.19238E-01 n_iter = 7 J = 27.085 max(relative change in state) = 0.30812 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 361 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 362 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 362 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 155.69 max(relative change in state) = - n_iter = 2 J = 182.22 max(relative change in state) = 6.3644 n_iter = 3 J = 142.69 max(relative change in state) = 4.3806 n_iter = 4 J = 142.71 max(relative change in state) = 0.17268 n_iter = 5 J = 142.66 max(relative change in state) = 0.10791 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 362 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 363 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 363 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 82.908 max(relative change in state) = - n_iter = 2 J = 69.939 max(relative change in state) = 0.78127 n_iter = 3 J = 58.090 max(relative change in state) = 1.4357 n_iter = 4 J = 57.714 max(relative change in state) = 0.23716 n_iter = 5 J = 57.680 max(relative change in state) = 0.92030 n_iter = 6 J = 55.650 max(relative change in state) = 0.34960 n_iter = 7 J = 55.357 max(relative change in state) = 0.16559 n_iter = 8 J = 55.308 max(relative change in state) = 0.89948E-01 n_iter = 9 J = 55.119 max(relative change in state) = 0.11528 n_iter = 10 J = 54.927 max(relative change in state) = 0.55218 n_iter = 11 J = 54.691 max(relative change in state) = 0.20368 n_iter = 12 J = 54.595 max(relative change in state) = 0.39115E-01 n_iter = 13 J = 54.624 max(relative change in state) = 0.25425 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 363 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 364 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 364 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.203 max(relative change in state) = - n_iter = 2 J = 23.181 max(relative change in state) = 0.58199 n_iter = 3 J = 21.503 max(relative change in state) = 0.57126 n_iter = 4 J = 23.281 max(relative change in state) = 0.81056 n_iter = 5 J = 21.485 max(relative change in state) = 0.73945 n_iter = 6 J = 21.481 max(relative change in state) = 0.61837E-02 n_iter = 7 J = 21.451 max(relative change in state) = 0.14565 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 364 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 365 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 365 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 11.148 max(relative change in state) = - n_iter = 2 J = 9.3071 max(relative change in state) = 0.34594 n_iter = 3 J = 7.6881 max(relative change in state) = 0.75865 n_iter = 4 J = 8.8776 max(relative change in state) = 0.82719 n_iter = 5 J = 7.6684 max(relative change in state) = 0.73374 n_iter = 6 J = 7.6638 max(relative change in state) = 0.52554E-02 n_iter = 7 J = 7.6366 max(relative change in state) = 0.12576 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 365 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 366 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 366 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 87.651 max(relative change in state) = - n_iter = 2 J = 75.519 max(relative change in state) = 1.3769 n_iter = 3 J = 70.966 max(relative change in state) = 1.0850 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 366 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 367 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 367 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 94.958 max(relative change in state) = - n_iter = 2 J = 80.340 max(relative change in state) = 0.91205 n_iter = 3 J = 72.268 max(relative change in state) = 1.3527 n_iter = 4 J = 72.251 max(relative change in state) = 0.37134 n_iter = 5 J = 71.991 max(relative change in state) = 0.21877 n_iter = 6 J = 71.985 max(relative change in state) = 0.47098E-01 n_iter = 7 J = 71.982 max(relative change in state) = 0.32820E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 367 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 368 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 368 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.545 max(relative change in state) = - n_iter = 2 J = 36.329 max(relative change in state) = 0.78261 n_iter = 3 J = 33.560 max(relative change in state) = 0.97787 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 368 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 369 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 369 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 71.240 max(relative change in state) = - n_iter = 2 J = 60.934 max(relative change in state) = 1.3868 n_iter = 3 J = 57.242 max(relative change in state) = 1.3603 n_iter = 4 J = 61.477 max(relative change in state) = 1.7030 n_iter = 5 J = 57.200 max(relative change in state) = 1.5517 n_iter = 6 J = 57.191 max(relative change in state) = 0.12798E-01 n_iter = 7 J = 57.202 max(relative change in state) = 0.26005 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 369 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 370 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 370 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 5 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 50.049 max(relative change in state) = - n_iter = 2 J = 41.337 max(relative change in state) = 0.36449 n_iter = 3 J = 28.408 max(relative change in state) = 0.97530 n_iter = 4 J = 26.485 max(relative change in state) = 0.44641 n_iter = 5 J = 31.754 max(relative change in state) = 1.0529 n_iter = 6 J = 25.567 max(relative change in state) = 0.86925 n_iter = 7 J = 25.466 max(relative change in state) = 0.58210E-01 n_iter = 8 J = 25.267 max(relative change in state) = 0.16629 n_iter = 9 J = 25.182 max(relative change in state) = 0.12362 n_iter = 10 J = 25.160 max(relative change in state) = 0.10409 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 370 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 371 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 371 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 371 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 372 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 372 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 34.476 max(relative change in state) = - n_iter = 2 J = 28.551 max(relative change in state) = 0.63682 n_iter = 3 J = 21.356 max(relative change in state) = 1.6477 n_iter = 4 J = 27.626 max(relative change in state) = 1.8925 n_iter = 5 J = 21.234 max(relative change in state) = 1.6556 n_iter = 6 J = 21.207 max(relative change in state) = 0.17326E-01 n_iter = 7 J = 21.096 max(relative change in state) = 0.24355 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 372 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 373 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 373 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 550.78 max(relative change in state) = - n_iter = 2 J = 2114.8 max(relative change in state) = 31.517 n_iter = 3 J = 474.77 max(relative change in state) = 26.812 n_iter = 4 J = 471.86 max(relative change in state) = 0.98426 n_iter = 5 J = 478.13 max(relative change in state) = 1.3300 n_iter = 6 J = 471.21 max(relative change in state) = 0.94673 n_iter = 7 J = 471.16 max(relative change in state) = 0.47425E-01 n_iter = 8 J = 471.01 max(relative change in state) = 0.35600 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 373 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 374 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 374 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 854.73 max(relative change in state) = - n_iter = 2 J = 726.10 max(relative change in state) = 9.5595 n_iter = 3 J = 748.31 max(relative change in state) = 3.6389 n_iter = 4 J = 721.62 max(relative change in state) = 2.9790 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 374 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 375 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 375 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 375 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 376 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 376 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 119.99 max(relative change in state) = - n_iter = 2 J = 103.28 max(relative change in state) = 1.6428 n_iter = 3 J = 99.058 max(relative change in state) = 0.99169 n_iter = 4 J = 113.82 max(relative change in state) = 2.5865 n_iter = 5 J = 98.963 max(relative change in state) = 2.3818 n_iter = 6 J = 98.948 max(relative change in state) = 0.11730E-01 n_iter = 7 J = 98.800 max(relative change in state) = 0.28422 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 376 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 377 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 377 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 18.153 max(relative change in state) = - n_iter = 2 J = 15.359 max(relative change in state) = 0.51160 n_iter = 3 J = 13.795 max(relative change in state) = 0.88883 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 377 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 378 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 378 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 59.444 max(relative change in state) = - n_iter = 2 J = 49.946 max(relative change in state) = 1.1755 n_iter = 3 J = 44.242 max(relative change in state) = 1.6247 n_iter = 4 J = 44.924 max(relative change in state) = 0.84302 n_iter = 5 J = 44.232 max(relative change in state) = 0.76024 n_iter = 6 J = 44.229 max(relative change in state) = 0.48177E-02 n_iter = 7 J = 44.213 max(relative change in state) = 0.65719E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 378 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 379 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 379 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 1 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 66.049 max(relative change in state) = - n_iter = 2 J = 57.906 max(relative change in state) = 0.57319 n_iter = 3 J = 51.642 max(relative change in state) = 1.0580 n_iter = 4 J = 51.604 max(relative change in state) = 0.58074 n_iter = 5 J = 50.770 max(relative change in state) = 0.50654 n_iter = 6 J = 50.677 max(relative change in state) = 0.27556E-01 n_iter = 7 J = 50.597 max(relative change in state) = 0.52970E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 379 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 380 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 380 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 172.15 max(relative change in state) = - n_iter = 2 J = 151.61 max(relative change in state) = 3.9052 n_iter = 3 J = 144.30 max(relative change in state) = 1.5501 n_iter = 4 J = 148.67 max(relative change in state) = 1.5655 n_iter = 5 J = 143.94 max(relative change in state) = 1.3849 n_iter = 6 J = 143.67 max(relative change in state) = 0.67870E-01 n_iter = 7 J = 143.72 max(relative change in state) = 0.16096 n_iter = 8 J = 143.20 max(relative change in state) = 0.85839E-01 n_iter = 9 J = 142.50 max(relative change in state) = 0.25282 n_iter = 10 J = 141.43 max(relative change in state) = 0.58824 n_iter = 11 J = 141.77 max(relative change in state) = 1.0174 n_iter = 12 J = 140.87 max(relative change in state) = 0.61751 n_iter = 13 J = 140.76 max(relative change in state) = 0.13916 n_iter = 14 J = 140.58 max(relative change in state) = 0.18397 n_iter = 15 J = 140.36 max(relative change in state) = 0.13909 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 16. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 380 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 381 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 381 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 112.46 max(relative change in state) = - n_iter = 2 J = 96.722 max(relative change in state) = 2.3284 n_iter = 3 J = 93.346 max(relative change in state) = 1.8978 n_iter = 4 J = 102.27 max(relative change in state) = 2.6788 n_iter = 5 J = 93.293 max(relative change in state) = 2.4933 n_iter = 6 J = 93.282 max(relative change in state) = 0.90879E-02 n_iter = 7 J = 93.287 max(relative change in state) = 0.14919 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 381 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 382 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 382 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 76.389 max(relative change in state) = - n_iter = 2 J = 65.192 max(relative change in state) = 0.97245 n_iter = 3 J = 59.254 max(relative change in state) = 1.3925 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 382 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 383 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 383 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.454 max(relative change in state) = - n_iter = 2 J = 27.977 max(relative change in state) = 0.52020 n_iter = 3 J = 23.669 max(relative change in state) = 0.95557 n_iter = 4 J = 24.645 max(relative change in state) = 0.76325 n_iter = 5 J = 23.652 max(relative change in state) = 0.68357 n_iter = 6 J = 23.647 max(relative change in state) = 0.67634E-02 n_iter = 7 J = 23.636 max(relative change in state) = 0.14565 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 383 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 384 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 384 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 384 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 385 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 385 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.467 max(relative change in state) = - n_iter = 2 J = 45.359 max(relative change in state) = 1.1937 n_iter = 3 J = 44.336 max(relative change in state) = 0.55818 n_iter = 4 J = 46.095 max(relative change in state) = 1.1645 n_iter = 5 J = 44.310 max(relative change in state) = 1.0664 n_iter = 6 J = 44.303 max(relative change in state) = 0.78693E-02 n_iter = 7 J = 44.275 max(relative change in state) = 0.10213 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 385 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 386 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 386 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 66.645 max(relative change in state) = - n_iter = 2 J = 57.950 max(relative change in state) = 1.1563 n_iter = 3 J = 55.861 max(relative change in state) = 0.95354 n_iter = 4 J = 63.324 max(relative change in state) = 1.9695 n_iter = 5 J = 55.827 max(relative change in state) = 1.8440 n_iter = 6 J = 55.820 max(relative change in state) = 0.87468E-02 n_iter = 7 J = 55.789 max(relative change in state) = 0.20347 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 386 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 387 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 387 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.626 max(relative change in state) = - n_iter = 2 J = 26.700 max(relative change in state) = 0.60601 n_iter = 3 J = 22.692 max(relative change in state) = 1.1587 n_iter = 4 J = 23.262 max(relative change in state) = 0.64402 n_iter = 5 J = 22.660 max(relative change in state) = 0.56608 n_iter = 6 J = 22.640 max(relative change in state) = 0.18347E-01 n_iter = 7 J = 22.624 max(relative change in state) = 0.15137 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 387 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 388 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 388 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.470 max(relative change in state) = - n_iter = 2 J = 21.342 max(relative change in state) = 0.46353 n_iter = 3 J = 17.524 max(relative change in state) = 1.1499 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 388 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 389 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 389 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.484 max(relative change in state) = - n_iter = 2 J = 31.088 max(relative change in state) = 0.67767 n_iter = 3 J = 28.609 max(relative change in state) = 0.91130 n_iter = 4 J = 31.142 max(relative change in state) = 1.2012 n_iter = 5 J = 28.563 max(relative change in state) = 1.0724 n_iter = 6 J = 28.549 max(relative change in state) = 0.16998E-01 n_iter = 7 J = 28.503 max(relative change in state) = 0.29880 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 389 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 390 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 390 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.498 max(relative change in state) = - n_iter = 2 J = 46.575 max(relative change in state) = 0.54599 n_iter = 3 J = 37.397 max(relative change in state) = 2.6268 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 390 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 391 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 391 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 54.082 max(relative change in state) = - n_iter = 2 J = 46.910 max(relative change in state) = 0.71967 n_iter = 3 J = 42.711 max(relative change in state) = 1.0671 n_iter = 4 J = 43.254 max(relative change in state) = 0.61703 n_iter = 5 J = 42.282 max(relative change in state) = 0.44760 n_iter = 6 J = 42.235 max(relative change in state) = 0.80108E-01 n_iter = 7 J = 42.146 max(relative change in state) = 0.15347 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 391 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 392 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 392 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 99.660 max(relative change in state) = - n_iter = 2 J = 87.141 max(relative change in state) = 1.6427 n_iter = 3 J = 84.616 max(relative change in state) = 0.71846 n_iter = 4 J = 94.729 max(relative change in state) = 2.4246 n_iter = 5 J = 84.530 max(relative change in state) = 2.2109 n_iter = 6 J = 84.514 max(relative change in state) = 0.85073E-02 n_iter = 7 J = 84.448 max(relative change in state) = 0.21076 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 392 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 393 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 393 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 199.76 max(relative change in state) = - n_iter = 2 J = 191.55 max(relative change in state) = 5.6202 n_iter = 3 J = 176.06 max(relative change in state) = 0.89715 n_iter = 4 J = 171.25 max(relative change in state) = 0.57943 n_iter = 5 J = 168.52 max(relative change in state) = 0.22690 n_iter = 6 J = 167.45 max(relative change in state) = 0.13558 n_iter = 7 J = 165.82 max(relative change in state) = 0.21189 n_iter = 8 J = 167.02 max(relative change in state) = 0.48340 n_iter = 9 J = 164.60 max(relative change in state) = 0.28416 n_iter = 10 J = 164.45 max(relative change in state) = 0.41428E-01 n_iter = 11 J = 164.14 max(relative change in state) = 0.11598 n_iter = 12 J = 163.93 max(relative change in state) = 0.13219 n_iter = 13 J = 163.81 max(relative change in state) = 0.10235 n_iter = 14 J = 163.78 max(relative change in state) = 0.15367 n_iter = 15 J = 163.78 max(relative change in state) = 0.67994E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 393 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 394 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 394 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 119.78 max(relative change in state) = - n_iter = 2 J = 101.11 max(relative change in state) = 1.2480 n_iter = 3 J = 90.432 max(relative change in state) = 1.4861 n_iter = 4 J = 102.61 max(relative change in state) = 2.6994 n_iter = 5 J = 90.265 max(relative change in state) = 2.4280 n_iter = 6 J = 90.220 max(relative change in state) = 0.26119E-01 n_iter = 7 J = 90.163 max(relative change in state) = 0.61045 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 394 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 395 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 395 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 176.37 max(relative change in state) = - n_iter = 2 J = 170.08 max(relative change in state) = 0.74049 n_iter = 3 J = 174.61 max(relative change in state) = 1.5730 n_iter = 4 J = 173.00 max(relative change in state) = 0.62640 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 395 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 396 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 396 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 278.27 max(relative change in state) = - n_iter = 2 J = 505.76 max(relative change in state) = 14.748 n_iter = 3 J = 229.60 max(relative change in state) = 11.087 n_iter = 4 J = 229.41 max(relative change in state) = 0.58931 n_iter = 5 J = 228.98 max(relative change in state) = 0.27581 n_iter = 6 J = 228.88 max(relative change in state) = 0.22653 n_iter = 7 J = 228.86 max(relative change in state) = 0.89604E-01 n_iter = 8 J = 228.83 max(relative change in state) = 0.22084E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 396 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 397 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 397 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.199 max(relative change in state) = - n_iter = 2 J = 44.827 max(relative change in state) = 0.95690 n_iter = 3 J = 43.767 max(relative change in state) = 0.81910 n_iter = 4 J = 47.819 max(relative change in state) = 1.6129 n_iter = 5 J = 43.732 max(relative change in state) = 1.4660 n_iter = 6 J = 43.727 max(relative change in state) = 0.58250E-02 n_iter = 7 J = 43.710 max(relative change in state) = 0.10993 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 397 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 398 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 398 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 53.943 max(relative change in state) = - n_iter = 2 J = 48.117 max(relative change in state) = 0.41068 n_iter = 3 J = 42.241 max(relative change in state) = 1.7766 n_iter = 4 J = 41.480 max(relative change in state) = 0.32830 n_iter = 5 J = 43.804 max(relative change in state) = 1.4534 n_iter = 6 J = 39.013 max(relative change in state) = 0.70673 n_iter = 7 J = 38.332 max(relative change in state) = 0.32877 n_iter = 8 J = 38.021 max(relative change in state) = 0.72379E-01 n_iter = 9 J = 37.835 max(relative change in state) = 0.55922E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 398 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 399 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 399 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 399 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 400 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 400 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.153 max(relative change in state) = - n_iter = 2 J = 21.761 max(relative change in state) = 0.41328 n_iter = 3 J = 19.784 max(relative change in state) = 0.61183 n_iter = 4 J = 19.779 max(relative change in state) = 0.25161 n_iter = 5 J = 19.701 max(relative change in state) = 0.18529 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 400 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 401 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 401 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 109.45 max(relative change in state) = - n_iter = 2 J = 100.69 max(relative change in state) = 0.63876 n_iter = 3 J = 84.878 max(relative change in state) = 1.5037 n_iter = 4 J = 93.552 max(relative change in state) = 2.3307 n_iter = 5 J = 84.018 max(relative change in state) = 2.0622 n_iter = 6 J = 83.471 max(relative change in state) = 0.85893E-01 n_iter = 7 J = 82.763 max(relative change in state) = 0.35863 n_iter = 8 J = 81.744 max(relative change in state) = 0.23644 n_iter = 9 J = 81.249 max(relative change in state) = 0.11715 n_iter = 10 J = 81.309 max(relative change in state) = 0.32471 n_iter = 11 J = 80.843 max(relative change in state) = 0.27702 n_iter = 12 J = 80.438 max(relative change in state) = 0.69826E-01 n_iter = 13 J = 80.326 max(relative change in state) = 0.47918 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 401 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 402 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 402 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.036 max(relative change in state) = - n_iter = 2 J = 14.404 max(relative change in state) = 0.51087 n_iter = 3 J = 13.070 max(relative change in state) = 0.64186 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 402 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 403 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 403 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 126.06 max(relative change in state) = - n_iter = 2 J = 109.60 max(relative change in state) = 0.72515 n_iter = 3 J = 95.340 max(relative change in state) = 1.9138 n_iter = 4 J = 104.14 max(relative change in state) = 2.3004 n_iter = 5 J = 94.311 max(relative change in state) = 1.9214 n_iter = 6 J = 93.893 max(relative change in state) = 0.11557 n_iter = 7 J = 93.768 max(relative change in state) = 0.71494 n_iter = 8 J = 93.347 max(relative change in state) = 0.44527 n_iter = 9 J = 93.272 max(relative change in state) = 0.17935 n_iter = 10 J = 93.236 max(relative change in state) = 0.65808E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 403 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 404 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 404 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 261.45 max(relative change in state) = - n_iter = 2 J = 389.28 max(relative change in state) = 13.077 n_iter = 3 J = 223.20 max(relative change in state) = 8.7033 n_iter = 4 J = 236.02 max(relative change in state) = 2.8409 n_iter = 5 J = 221.89 max(relative change in state) = 2.1083 n_iter = 6 J = 220.53 max(relative change in state) = 0.45075 n_iter = 7 J = 219.70 max(relative change in state) = 0.30370 n_iter = 8 J = 219.16 max(relative change in state) = 0.21250 n_iter = 9 J = 218.56 max(relative change in state) = 0.21781 n_iter = 10 J = 218.37 max(relative change in state) = 0.16482 n_iter = 11 J = 218.17 max(relative change in state) = 0.22699 n_iter = 12 J = 217.89 max(relative change in state) = 0.14286 n_iter = 13 J = 217.89 max(relative change in state) = 0.30363 n_iter = 14 J = 217.62 max(relative change in state) = 0.86225E-01 n_iter = 15 J = 217.56 max(relative change in state) = 0.57079E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 404 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 405 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 405 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.095 max(relative change in state) = - n_iter = 2 J = 23.744 max(relative change in state) = 0.75333 n_iter = 3 J = 21.627 max(relative change in state) = 0.93983 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 405 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 406 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 406 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.227 max(relative change in state) = - n_iter = 2 J = 41.965 max(relative change in state) = 0.89881 n_iter = 3 J = 40.551 max(relative change in state) = 0.89348 n_iter = 4 J = 41.200 max(relative change in state) = 0.54327 n_iter = 5 J = 40.536 max(relative change in state) = 0.48338 n_iter = 6 J = 40.532 max(relative change in state) = 0.74141E-02 n_iter = 7 J = 40.516 max(relative change in state) = 0.87842E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 406 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 407 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 407 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 101.11 max(relative change in state) = - n_iter = 2 J = 87.007 max(relative change in state) = 1.3022 n_iter = 3 J = 83.160 max(relative change in state) = 1.0315 n_iter = 4 J = 93.281 max(relative change in state) = 2.4013 n_iter = 5 J = 82.833 max(relative change in state) = 1.9756 n_iter = 6 J = 82.808 max(relative change in state) = 0.16159E-01 n_iter = 7 J = 82.725 max(relative change in state) = 0.19185 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 407 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 408 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 408 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 171.60 max(relative change in state) = - n_iter = 2 J = 190.48 max(relative change in state) = 5.9234 n_iter = 3 J = 148.48 max(relative change in state) = 3.3490 n_iter = 4 J = 165.92 max(relative change in state) = 3.2523 n_iter = 5 J = 148.29 max(relative change in state) = 2.9195 n_iter = 6 J = 148.27 max(relative change in state) = 0.12977E-01 n_iter = 7 J = 148.09 max(relative change in state) = 0.32036 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 408 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 409 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 409 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 409 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 410 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 410 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 46.761 max(relative change in state) = - n_iter = 2 J = 38.856 max(relative change in state) = 0.58273 n_iter = 3 J = 30.614 max(relative change in state) = 1.5761 n_iter = 4 J = 35.378 max(relative change in state) = 1.6068 n_iter = 5 J = 30.569 max(relative change in state) = 1.4630 n_iter = 6 J = 30.558 max(relative change in state) = 0.92723E-02 n_iter = 7 J = 30.507 max(relative change in state) = 0.24025 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 410 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 411 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 411 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 115.06 max(relative change in state) = - n_iter = 2 J = 95.291 max(relative change in state) = 1.0428 n_iter = 3 J = 73.416 max(relative change in state) = 2.3281 n_iter = 4 J = 82.030 max(relative change in state) = 2.2670 n_iter = 5 J = 73.240 max(relative change in state) = 1.9727 n_iter = 6 J = 73.208 max(relative change in state) = 0.14751E-01 n_iter = 7 J = 72.919 max(relative change in state) = 0.44657 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 411 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 412 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 412 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 12.151 max(relative change in state) = - n_iter = 2 J = 10.402 max(relative change in state) = 0.51011 n_iter = 3 J = 9.8439 max(relative change in state) = 0.38983 n_iter = 4 J = 11.306 max(relative change in state) = 0.93395 n_iter = 5 J = 9.8122 max(relative change in state) = 0.79795 n_iter = 6 J = 9.8104 max(relative change in state) = 0.37412E-02 n_iter = 7 J = 9.7938 max(relative change in state) = 0.74406E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 412 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 413 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 413 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.817 max(relative change in state) = - n_iter = 2 J = 35.551 max(relative change in state) = 0.42678 n_iter = 3 J = 27.495 max(relative change in state) = 0.90118 n_iter = 4 J = 26.453 max(relative change in state) = 0.30641 n_iter = 5 J = 25.776 max(relative change in state) = 0.15329 n_iter = 6 J = 25.869 max(relative change in state) = 0.24295 n_iter = 7 J = 25.345 max(relative change in state) = 0.18595 n_iter = 8 J = 25.317 max(relative change in state) = 0.25535E-01 n_iter = 9 J = 25.277 max(relative change in state) = 0.37882E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 413 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 414 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 414 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 49.922 max(relative change in state) = - n_iter = 2 J = 41.268 max(relative change in state) = 0.52383 n_iter = 3 J = 28.709 max(relative change in state) = 1.3698 n_iter = 4 J = 27.199 max(relative change in state) = 0.52272 n_iter = 5 J = 27.418 max(relative change in state) = 0.43010 n_iter = 6 J = 26.817 max(relative change in state) = 0.25507 n_iter = 7 J = 26.756 max(relative change in state) = 0.65172E-01 n_iter = 8 J = 26.684 max(relative change in state) = 0.89359E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 414 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 415 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 415 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 59.879 max(relative change in state) = - n_iter = 2 J = 51.951 max(relative change in state) = 0.79505 n_iter = 3 J = 49.189 max(relative change in state) = 0.96788 n_iter = 4 J = 48.354 max(relative change in state) = 0.28975 n_iter = 5 J = 48.275 max(relative change in state) = 0.28382 n_iter = 6 J = 47.994 max(relative change in state) = 0.11675 n_iter = 7 J = 47.925 max(relative change in state) = 0.83562E-01 n_iter = 8 J = 47.891 max(relative change in state) = 0.31584E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 415 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 416 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 416 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 59.119 max(relative change in state) = - n_iter = 2 J = 56.204 max(relative change in state) = 1.7242 n_iter = 3 J = 54.552 max(relative change in state) = 0.79654 n_iter = 4 J = 56.720 max(relative change in state) = 1.0638 n_iter = 5 J = 54.519 max(relative change in state) = 0.92856 n_iter = 6 J = 54.517 max(relative change in state) = 0.58903E-02 n_iter = 7 J = 54.507 max(relative change in state) = 0.36558E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 416 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 417 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 417 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 19.827 max(relative change in state) = - n_iter = 2 J = 16.614 max(relative change in state) = 0.63490 n_iter = 3 J = 14.252 max(relative change in state) = 0.97044 n_iter = 4 J = 15.516 max(relative change in state) = 0.97582 n_iter = 5 J = 14.231 max(relative change in state) = 0.86258 n_iter = 6 J = 14.226 max(relative change in state) = 0.81712E-02 n_iter = 7 J = 14.202 max(relative change in state) = 0.22511 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 417 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 418 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 418 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.017 max(relative change in state) = - n_iter = 2 J = 42.616 max(relative change in state) = 0.77505 n_iter = 3 J = 36.121 max(relative change in state) = 1.5333 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 418 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 419 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 419 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 92.981 max(relative change in state) = - n_iter = 2 J = 81.844 max(relative change in state) = 1.5190 n_iter = 3 J = 79.563 max(relative change in state) = 1.1926 n_iter = 4 J = 85.226 max(relative change in state) = 1.8047 n_iter = 5 J = 79.528 max(relative change in state) = 1.6869 n_iter = 6 J = 79.515 max(relative change in state) = 0.81391E-02 n_iter = 7 J = 79.603 max(relative change in state) = 0.21398 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 419 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 420 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 420 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 22.422 max(relative change in state) = - n_iter = 2 J = 18.856 max(relative change in state) = 0.77008 n_iter = 3 J = 16.881 max(relative change in state) = 1.0413 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 420 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 421 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 421 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 421 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 422 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 422 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 20.366 max(relative change in state) = - n_iter = 2 J = 17.339 max(relative change in state) = 0.43683 n_iter = 3 J = 15.159 max(relative change in state) = 0.96978 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 422 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 423 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 423 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 84.191 max(relative change in state) = - n_iter = 2 J = 68.545 max(relative change in state) = 0.30588 n_iter = 3 J = 44.352 max(relative change in state) = 0.80046 n_iter = 4 J = 27.513 max(relative change in state) = 0.74140 n_iter = 5 J = 22.607 max(relative change in state) = 0.41205 n_iter = 6 J = 19.567 max(relative change in state) = 0.43992 n_iter = 7 J = 19.053 max(relative change in state) = 0.13978 n_iter = 8 J = 18.899 max(relative change in state) = 0.20164 n_iter = 9 J = 18.547 max(relative change in state) = 0.11330 n_iter = 10 J = 18.469 max(relative change in state) = 0.42307E-01 n_iter = 11 J = 18.339 max(relative change in state) = 0.70470E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 423 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 424 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 424 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.073 max(relative change in state) = - n_iter = 2 J = 45.341 max(relative change in state) = 1.4456 n_iter = 3 J = 45.002 max(relative change in state) = 0.41449 n_iter = 4 J = 46.633 max(relative change in state) = 0.68907 n_iter = 5 J = 44.998 max(relative change in state) = 0.65787 n_iter = 6 J = 44.998 max(relative change in state) = 0.19223E-02 n_iter = 7 J = 44.991 max(relative change in state) = 0.54461E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 424 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 425 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 425 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 130.81 max(relative change in state) = - n_iter = 2 J = 114.03 max(relative change in state) = 1.8543 n_iter = 3 J = 109.39 max(relative change in state) = 1.8381 n_iter = 4 J = 122.42 max(relative change in state) = 2.4956 n_iter = 5 J = 109.32 max(relative change in state) = 2.3174 n_iter = 6 J = 109.30 max(relative change in state) = 0.12235E-01 n_iter = 7 J = 109.23 max(relative change in state) = 0.23333 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 425 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 426 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 426 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.001 max(relative change in state) = - n_iter = 2 J = 30.816 max(relative change in state) = 0.58411 n_iter = 3 J = 26.316 max(relative change in state) = 1.1361 n_iter = 4 J = 25.791 max(relative change in state) = 0.21938 n_iter = 5 J = 26.847 max(relative change in state) = 0.31634 n_iter = 6 J = 25.676 max(relative change in state) = 0.25050 n_iter = 7 J = 25.651 max(relative change in state) = 0.14664E-01 n_iter = 8 J = 25.593 max(relative change in state) = 0.10145 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 426 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 427 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 427 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 110.71 max(relative change in state) = - n_iter = 2 J = 94.333 max(relative change in state) = 0.81551 n_iter = 3 J = 65.367 max(relative change in state) = 2.9085 n_iter = 4 J = 65.419 max(relative change in state) = 0.81931 n_iter = 5 J = 64.247 max(relative change in state) = 0.42480 n_iter = 6 J = 64.077 max(relative change in state) = 0.22771 n_iter = 7 J = 64.006 max(relative change in state) = 0.12010 n_iter = 8 J = 63.858 max(relative change in state) = 0.82155E-01 n_iter = 9 J = 63.594 max(relative change in state) = 0.14973 n_iter = 10 J = 63.710 max(relative change in state) = 0.22725 n_iter = 11 J = 63.516 max(relative change in state) = 0.14993 n_iter = 12 J = 63.502 max(relative change in state) = 0.18841E-01 n_iter = 13 J = 63.485 max(relative change in state) = 0.52532E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 427 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 428 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 428 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 537.05 max(relative change in state) = - n_iter = 2 J = 1729.3 max(relative change in state) = 35.237 n_iter = 3 J = 450.86 max(relative change in state) = 26.701 n_iter = 4 J = 451.47 max(relative change in state) = 0.84421 n_iter = 5 J = 450.60 max(relative change in state) = 0.60766 n_iter = 6 J = 450.56 max(relative change in state) = 0.87230E-01 n_iter = 7 J = 450.53 max(relative change in state) = 0.13289 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 428 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 429 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 429 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 449.83 max(relative change in state) = - n_iter = 2 J = 3237.3 max(relative change in state) = 34.298 n_iter = 3 J = 416.95 max(relative change in state) = 29.917 n_iter = 4 J = 431.45 max(relative change in state) = 2.8177 n_iter = 5 J = 416.73 max(relative change in state) = 2.5308 n_iter = 6 J = 416.67 max(relative change in state) = 0.14539E-01 n_iter = 7 J = 416.72 max(relative change in state) = 0.32146 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 429 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 430 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 430 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 123.62 max(relative change in state) = - n_iter = 2 J = 103.52 max(relative change in state) = 1.4009 n_iter = 3 J = 88.535 max(relative change in state) = 2.6488 n_iter = 4 J = 98.900 max(relative change in state) = 2.3350 n_iter = 5 J = 88.453 max(relative change in state) = 2.1475 n_iter = 6 J = 88.432 max(relative change in state) = 0.19829E-01 n_iter = 7 J = 88.365 max(relative change in state) = 0.48105 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 430 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 431 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 431 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.216 max(relative change in state) = - n_iter = 2 J = 21.015 max(relative change in state) = 0.53559 n_iter = 3 J = 17.504 max(relative change in state) = 1.0821 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 431 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 432 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 432 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 591.31 max(relative change in state) = - n_iter = 2 J = 2936.9 max(relative change in state) = 32.403 n_iter = 3 J = 517.10 max(relative change in state) = 28.615 n_iter = 4 J = 527.60 max(relative change in state) = 2.7562 n_iter = 5 J = 516.69 max(relative change in state) = 2.4101 n_iter = 6 J = 516.51 max(relative change in state) = 0.42373E-01 n_iter = 7 J = 516.17 max(relative change in state) = 0.41103 n_iter = 8 J = 515.78 max(relative change in state) = 0.37179 n_iter = 9 J = 515.59 max(relative change in state) = 0.12920 n_iter = 10 J = 515.54 max(relative change in state) = 0.27308E-01 n_iter = 11 J = 515.24 max(relative change in state) = 0.21068 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 432 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 433 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 433 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.624 max(relative change in state) = - n_iter = 2 J = 29.718 max(relative change in state) = 0.60610 n_iter = 3 J = 24.046 max(relative change in state) = 1.1778 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 433 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 434 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 434 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 153.13 max(relative change in state) = - n_iter = 2 J = 168.28 max(relative change in state) = 5.8906 n_iter = 3 J = 140.67 max(relative change in state) = 2.9045 n_iter = 4 J = 165.72 max(relative change in state) = 3.6721 n_iter = 5 J = 140.55 max(relative change in state) = 3.3985 n_iter = 6 J = 140.54 max(relative change in state) = 0.11277E-01 n_iter = 7 J = 140.51 max(relative change in state) = 0.90773E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 434 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 435 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 435 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 152.04 max(relative change in state) = - n_iter = 2 J = 139.82 max(relative change in state) = 4.4406 n_iter = 3 J = 133.34 max(relative change in state) = 1.5495 n_iter = 4 J = 133.55 max(relative change in state) = 0.50771 n_iter = 5 J = 133.24 max(relative change in state) = 0.35512 n_iter = 6 J = 133.22 max(relative change in state) = 0.58709E-01 n_iter = 7 J = 133.20 max(relative change in state) = 0.97617E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 435 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 436 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 436 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 267.21 max(relative change in state) = - n_iter = 2 J = 636.03 max(relative change in state) = 12.160 n_iter = 3 J = 235.63 max(relative change in state) = 10.270 n_iter = 4 J = 234.93 max(relative change in state) = 0.36265 n_iter = 5 J = 236.26 max(relative change in state) = 0.62948 n_iter = 6 J = 234.68 max(relative change in state) = 0.40380 n_iter = 7 J = 234.65 max(relative change in state) = 0.18505E-01 n_iter = 8 J = 234.59 max(relative change in state) = 0.18946 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 436 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 437 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 437 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 305.87 max(relative change in state) = - n_iter = 2 J = 1346.9 max(relative change in state) = 19.112 n_iter = 3 J = 273.74 max(relative change in state) = 17.169 n_iter = 4 J = 272.44 max(relative change in state) = 0.59149 n_iter = 5 J = 271.16 max(relative change in state) = 0.46806 n_iter = 6 J = 270.93 max(relative change in state) = 0.34272 n_iter = 7 J = 270.90 max(relative change in state) = 0.36960E-01 n_iter = 8 J = 270.90 max(relative change in state) = 0.21920 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 437 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 438 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 438 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 253.47 max(relative change in state) = - n_iter = 2 J = 238.21 max(relative change in state) = 0.68122 n_iter = 3 J = 252.68 max(relative change in state) = 0.92027 n_iter = 4 J = 230.53 max(relative change in state) = 2.5063 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 438 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 439 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 439 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.469 max(relative change in state) = - n_iter = 2 J = 32.990 max(relative change in state) = 0.58888 n_iter = 3 J = 26.770 max(relative change in state) = 1.5146 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 439 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 440 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 440 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 111.63 max(relative change in state) = - n_iter = 2 J = 102.88 max(relative change in state) = 0.56749 n_iter = 3 J = 95.710 max(relative change in state) = 3.2125 n_iter = 4 J = 95.158 max(relative change in state) = 0.20954 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 440 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 441 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 441 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.190 max(relative change in state) = - n_iter = 2 J = 46.706 max(relative change in state) = 0.95013E-01 n_iter = 3 J = 35.717 max(relative change in state) = 1.7171 n_iter = 4 J = 34.318 max(relative change in state) = 0.39586 n_iter = 5 J = 39.158 max(relative change in state) = 0.90395 n_iter = 6 J = 39.486 max(relative change in state) = 0.92547E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 441 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 442 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 442 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 145.09 max(relative change in state) = - n_iter = 2 J = 123.16 max(relative change in state) = 2.6363 n_iter = 3 J = 121.12 max(relative change in state) = 0.69126 n_iter = 4 J = 127.47 max(relative change in state) = 1.7806 n_iter = 5 J = 120.83 max(relative change in state) = 1.4475 n_iter = 6 J = 120.79 max(relative change in state) = 0.24584E-01 n_iter = 7 J = 120.71 max(relative change in state) = 0.35546 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 442 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 443 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 443 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.425 max(relative change in state) = - n_iter = 2 J = 22.911 max(relative change in state) = 0.57173 n_iter = 3 J = 19.378 max(relative change in state) = 1.1498 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 443 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 444 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 444 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 568.64 max(relative change in state) = - n_iter = 2 J = 853.41 max(relative change in state) = 11.171 n_iter = 3 J = 531.97 max(relative change in state) = 7.6843 n_iter = 4 J = 525.41 max(relative change in state) = 0.39463 n_iter = 5 J = 512.44 max(relative change in state) = 1.1890 n_iter = 6 J = 513.17 max(relative change in state) = 0.71992 n_iter = 7 J = 510.73 max(relative change in state) = 0.42286 n_iter = 8 J = 510.43 max(relative change in state) = 0.53646E-01 n_iter = 9 J = 509.40 max(relative change in state) = 0.28045 n_iter = 10 J = 507.88 max(relative change in state) = 0.52975 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 444 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 445 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 445 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.524 max(relative change in state) = - n_iter = 2 J = 29.743 max(relative change in state) = 0.39709 n_iter = 3 J = 25.766 max(relative change in state) = 0.80080 n_iter = 4 J = 28.065 max(relative change in state) = 1.0583 n_iter = 5 J = 25.413 max(relative change in state) = 0.89071 n_iter = 6 J = 25.230 max(relative change in state) = 0.57809E-01 n_iter = 7 J = 24.795 max(relative change in state) = 0.24778 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 445 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 446 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 446 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.876 max(relative change in state) = - n_iter = 2 J = 30.227 max(relative change in state) = 0.50256 n_iter = 3 J = 24.744 max(relative change in state) = 1.3694 n_iter = 4 J = 24.546 max(relative change in state) = 0.51801 n_iter = 5 J = 24.360 max(relative change in state) = 0.46926 n_iter = 6 J = 24.062 max(relative change in state) = 0.15157 n_iter = 7 J = 24.009 max(relative change in state) = 0.24092E-01 n_iter = 8 J = 23.903 max(relative change in state) = 0.78274E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 446 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 447 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 447 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 181.27 max(relative change in state) = - n_iter = 2 J = 191.13 max(relative change in state) = 7.0231 n_iter = 3 J = 152.70 max(relative change in state) = 3.6194 n_iter = 4 J = 159.57 max(relative change in state) = 2.1431 n_iter = 5 J = 152.53 max(relative change in state) = 1.9129 n_iter = 6 J = 152.46 max(relative change in state) = 0.38594E-01 n_iter = 7 J = 153.19 max(relative change in state) = 0.29951 n_iter = 8 J = 152.33 max(relative change in state) = 0.27581 n_iter = 9 J = 152.27 max(relative change in state) = 0.34670E-01 n_iter = 10 J = 152.10 max(relative change in state) = 0.22767 n_iter = 11 J = 151.89 max(relative change in state) = 0.26632 n_iter = 12 J = 151.81 max(relative change in state) = 0.22766 n_iter = 13 J = 151.75 max(relative change in state) = 0.10338 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 447 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 448 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 448 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 51.658 max(relative change in state) = - n_iter = 2 J = 46.426 max(relative change in state) = 1.1809 n_iter = 3 J = 45.521 max(relative change in state) = 0.60030 n_iter = 4 J = 49.014 max(relative change in state) = 1.2592 n_iter = 5 J = 45.430 max(relative change in state) = 1.0933 n_iter = 6 J = 45.410 max(relative change in state) = 0.28147E-01 n_iter = 7 J = 45.351 max(relative change in state) = 0.28956 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 448 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 449 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 449 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 15.310 max(relative change in state) = - n_iter = 2 J = 13.259 max(relative change in state) = 0.47279 n_iter = 3 J = 12.247 max(relative change in state) = 0.38716 n_iter = 4 J = 11.832 max(relative change in state) = 0.47042 n_iter = 5 J = 12.676 max(relative change in state) = 0.60447 n_iter = 6 J = 11.772 max(relative change in state) = 0.47517 n_iter = 7 J = 11.759 max(relative change in state) = 0.14467E-01 n_iter = 8 J = 11.728 max(relative change in state) = 0.13188 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 449 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 450 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 450 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 46.006 max(relative change in state) = - n_iter = 2 J = 40.253 max(relative change in state) = 1.1105 n_iter = 3 J = 39.256 max(relative change in state) = 0.79100 n_iter = 4 J = 41.108 max(relative change in state) = 0.76229 n_iter = 5 J = 39.249 max(relative change in state) = 0.71713 n_iter = 6 J = 39.248 max(relative change in state) = 0.33319E-02 n_iter = 7 J = 39.235 max(relative change in state) = 0.79662E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 450 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 451 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 451 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 115.73 max(relative change in state) = - n_iter = 2 J = 99.262 max(relative change in state) = 1.1708 n_iter = 3 J = 92.826 max(relative change in state) = 1.5173 n_iter = 4 J = 92.491 max(relative change in state) = 0.51965 n_iter = 5 J = 92.839 max(relative change in state) = 0.60201 n_iter = 6 J = 92.393 max(relative change in state) = 0.35070 n_iter = 7 J = 92.387 max(relative change in state) = 0.14340E-01 n_iter = 8 J = 92.362 max(relative change in state) = 0.73457E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 451 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 452 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 452 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 452 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 453 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 453 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 69.362 max(relative change in state) = - n_iter = 2 J = 58.235 max(relative change in state) = 1.0741 n_iter = 3 J = 50.707 max(relative change in state) = 1.8360 n_iter = 4 J = 54.114 max(relative change in state) = 0.72670 n_iter = 5 J = 50.655 max(relative change in state) = 0.65923 n_iter = 6 J = 50.639 max(relative change in state) = 0.12547E-01 n_iter = 7 J = 50.582 max(relative change in state) = 0.13170 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 453 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 454 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 454 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 142.47 max(relative change in state) = - n_iter = 2 J = 119.05 max(relative change in state) = 1.9637 n_iter = 3 J = 114.67 max(relative change in state) = 1.3825 n_iter = 4 J = 119.71 max(relative change in state) = 1.4614 n_iter = 5 J = 114.51 max(relative change in state) = 1.2840 n_iter = 6 J = 114.45 max(relative change in state) = 0.32416E-01 n_iter = 7 J = 114.29 max(relative change in state) = 0.31545 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 454 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 455 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 455 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 455 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 456 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 456 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 125.40 max(relative change in state) = - n_iter = 2 J = 108.29 max(relative change in state) = 1.8876 n_iter = 3 J = 104.35 max(relative change in state) = 1.8755 n_iter = 4 J = 117.70 max(relative change in state) = 2.9544 n_iter = 5 J = 104.24 max(relative change in state) = 2.6954 n_iter = 6 J = 104.23 max(relative change in state) = 0.12521E-01 n_iter = 7 J = 104.26 max(relative change in state) = 0.26297 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 456 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 457 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 457 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.185 max(relative change in state) = - n_iter = 2 J = 14.975 max(relative change in state) = 0.46885 n_iter = 3 J = 13.751 max(relative change in state) = 0.58996 n_iter = 4 J = 14.197 max(relative change in state) = 0.48121 n_iter = 5 J = 13.712 max(relative change in state) = 0.40092 n_iter = 6 J = 13.700 max(relative change in state) = 0.16096E-01 n_iter = 7 J = 13.678 max(relative change in state) = 0.93936E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 457 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 458 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 458 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 65.592 max(relative change in state) = - n_iter = 2 J = 56.191 max(relative change in state) = 0.43341 n_iter = 3 J = 35.224 max(relative change in state) = 2.4545 n_iter = 4 J = 33.575 max(relative change in state) = 0.45188 n_iter = 5 J = 37.775 max(relative change in state) = 1.4808 n_iter = 6 J = 32.432 max(relative change in state) = 1.2437 n_iter = 7 J = 31.668 max(relative change in state) = 0.15258 n_iter = 8 J = 31.872 max(relative change in state) = 0.43105 n_iter = 9 J = 31.325 max(relative change in state) = 0.40424 n_iter = 10 J = 30.833 max(relative change in state) = 0.21865 n_iter = 11 J = 30.813 max(relative change in state) = 0.24693 n_iter = 12 J = 30.667 max(relative change in state) = 0.16470 n_iter = 13 J = 30.313 max(relative change in state) = 0.11004 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 458 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 459 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 459 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.464 max(relative change in state) = - n_iter = 2 J = 79.661 max(relative change in state) = 1.4205 n_iter = 3 J = 74.179 max(relative change in state) = 1.1145 n_iter = 4 J = 75.110 max(relative change in state) = 0.86274 n_iter = 5 J = 73.901 max(relative change in state) = 0.62849 n_iter = 6 J = 73.849 max(relative change in state) = 0.65696E-01 n_iter = 7 J = 73.746 max(relative change in state) = 0.19933 n_iter = 8 J = 73.696 max(relative change in state) = 0.95784E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 459 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 460 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 460 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 95.990 max(relative change in state) = - n_iter = 2 J = 89.418 max(relative change in state) = 0.91694 n_iter = 3 J = 84.473 max(relative change in state) = 0.29356 n_iter = 4 J = 78.747 max(relative change in state) = 0.62016 n_iter = 5 J = 75.512 max(relative change in state) = 0.71476 n_iter = 6 J = 74.772 max(relative change in state) = 0.62607 n_iter = 7 J = 74.069 max(relative change in state) = 0.17097 n_iter = 8 J = 73.981 max(relative change in state) = 0.96563E-01 n_iter = 9 J = 73.932 max(relative change in state) = 0.37322E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 460 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 461 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 461 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 919.07 max(relative change in state) = - n_iter = 2 J = 3297.5 max(relative change in state) = 47.046 n_iter = 3 J = 760.97 max(relative change in state) = 35.738 n_iter = 4 J = 762.42 max(relative change in state) = 1.9278 n_iter = 5 J = 759.39 max(relative change in state) = 1.3596 n_iter = 6 J = 759.24 max(relative change in state) = 0.28767 n_iter = 7 J = 759.19 max(relative change in state) = 0.14504 n_iter = 8 J = 759.16 max(relative change in state) = 0.25097E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 461 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 462 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 462 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 14.172 max(relative change in state) = - n_iter = 2 J = 11.895 max(relative change in state) = 0.44398 n_iter = 3 J = 10.387 max(relative change in state) = 0.57541 n_iter = 4 J = 10.784 max(relative change in state) = 0.42114 n_iter = 5 J = 10.363 max(relative change in state) = 0.35159 n_iter = 6 J = 10.356 max(relative change in state) = 0.11549E-01 n_iter = 7 J = 10.318 max(relative change in state) = 0.15999 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 462 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 463 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 463 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 161.90 max(relative change in state) = - n_iter = 2 J = 125.87 max(relative change in state) = 4.6506 n_iter = 3 J = 123.30 max(relative change in state) = 0.61058 n_iter = 4 J = 123.59 max(relative change in state) = 0.98183 n_iter = 5 J = 122.25 max(relative change in state) = 0.70722 n_iter = 6 J = 122.19 max(relative change in state) = 0.15744 n_iter = 7 J = 122.18 max(relative change in state) = 0.68872E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 463 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 464 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 464 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 6 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 484.69 max(relative change in state) = - n_iter = 2 J = 1372.8 max(relative change in state) = 27.534 n_iter = 3 J = 399.42 max(relative change in state) = 19.592 n_iter = 4 J = 468.55 max(relative change in state) = 6.9690 n_iter = 5 J = 399.07 max(relative change in state) = 6.4536 n_iter = 6 J = 399.05 max(relative change in state) = 0.13914E-01 n_iter = 7 J = 398.86 max(relative change in state) = 0.29271 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 464 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 465 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 465 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 31.950 max(relative change in state) = - n_iter = 2 J = 26.456 max(relative change in state) = 0.52518 n_iter = 3 J = 20.156 max(relative change in state) = 1.1896 n_iter = 4 J = 25.320 max(relative change in state) = 1.9132 n_iter = 5 J = 20.115 max(relative change in state) = 1.7199 n_iter = 6 J = 20.109 max(relative change in state) = 0.16153E-01 n_iter = 7 J = 20.071 max(relative change in state) = 0.89291E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 465 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 466 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 466 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 22.939 max(relative change in state) = - n_iter = 2 J = 19.382 max(relative change in state) = 0.59243 n_iter = 3 J = 17.429 max(relative change in state) = 0.63529 n_iter = 4 J = 17.296 max(relative change in state) = 0.21849 n_iter = 5 J = 17.807 max(relative change in state) = 0.39864 n_iter = 6 J = 17.281 max(relative change in state) = 0.33847 n_iter = 7 J = 17.279 max(relative change in state) = 0.82380E-02 n_iter = 8 J = 17.273 max(relative change in state) = 0.62137E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 466 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 467 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 467 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 80.253 max(relative change in state) = - n_iter = 2 J = 71.781 max(relative change in state) = 1.8450 n_iter = 3 J = 71.381 max(relative change in state) = 0.63725 n_iter = 4 J = 71.639 max(relative change in state) = 0.72625 n_iter = 5 J = 71.179 max(relative change in state) = 0.36923 n_iter = 6 J = 71.173 max(relative change in state) = 0.17561E-01 n_iter = 7 J = 71.153 max(relative change in state) = 0.10913 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 467 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 468 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 468 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 68.592 max(relative change in state) = - n_iter = 2 J = 62.146 max(relative change in state) = 0.50697 n_iter = 3 J = 52.733 max(relative change in state) = 1.2211 n_iter = 4 J = 58.182 max(relative change in state) = 1.9643 n_iter = 5 J = 51.467 max(relative change in state) = 1.6339 n_iter = 6 J = 50.716 max(relative change in state) = 0.18655 n_iter = 7 J = 50.630 max(relative change in state) = 0.22297 n_iter = 8 J = 49.564 max(relative change in state) = 0.21047 n_iter = 9 J = 48.935 max(relative change in state) = 0.33111 n_iter = 10 J = 48.591 max(relative change in state) = 0.26173 n_iter = 11 J = 48.430 max(relative change in state) = 0.46156E-01 n_iter = 12 J = 48.133 max(relative change in state) = 0.11404 n_iter = 13 J = 47.818 max(relative change in state) = 0.19940 n_iter = 14 J = 47.739 max(relative change in state) = 0.21606 n_iter = 15 J = 47.667 max(relative change in state) = 0.24515E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 468 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 469 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 469 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 234.72 max(relative change in state) = - n_iter = 2 J = 405.57 max(relative change in state) = 12.454 n_iter = 3 J = 199.84 max(relative change in state) = 9.5260 n_iter = 4 J = 199.74 max(relative change in state) = 0.40718 n_iter = 5 J = 199.57 max(relative change in state) = 0.25881 n_iter = 6 J = 199.54 max(relative change in state) = 0.11009 n_iter = 7 J = 199.52 max(relative change in state) = 0.42634E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 469 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 470 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 470 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 38.755 max(relative change in state) = - n_iter = 2 J = 32.914 max(relative change in state) = 0.76462 n_iter = 3 J = 30.055 max(relative change in state) = 1.0452 n_iter = 4 J = 35.626 max(relative change in state) = 1.4838 n_iter = 5 J = 30.025 max(relative change in state) = 1.3883 n_iter = 6 J = 30.014 max(relative change in state) = 0.11583E-01 n_iter = 7 J = 30.032 max(relative change in state) = 0.27683 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 470 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 471 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 471 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 40.507 max(relative change in state) = - n_iter = 2 J = 34.293 max(relative change in state) = 0.95972 n_iter = 3 J = 31.327 max(relative change in state) = 0.91883 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 471 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 472 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 472 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.926 max(relative change in state) = - n_iter = 2 J = 42.494 max(relative change in state) = 1.0081 n_iter = 3 J = 40.994 max(relative change in state) = 0.83703 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 472 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 473 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 473 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 851.59 max(relative change in state) = - n_iter = 2 J = 8936.5 max(relative change in state) = 72.939 n_iter = 3 J = 792.38 max(relative change in state) = 67.421 n_iter = 4 J = 795.11 max(relative change in state) = 1.7119 n_iter = 5 J = 791.31 max(relative change in state) = 1.2011 n_iter = 6 J = 791.05 max(relative change in state) = 0.14989 n_iter = 7 J = 790.46 max(relative change in state) = 0.45853 n_iter = 8 J = 790.03 max(relative change in state) = 0.21414 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 473 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 474 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 474 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 166.20 max(relative change in state) = - n_iter = 2 J = 130.50 max(relative change in state) = 4.2191 n_iter = 3 J = 127.14 max(relative change in state) = 1.2128 n_iter = 4 J = 136.74 max(relative change in state) = 2.2755 n_iter = 5 J = 126.98 max(relative change in state) = 1.9741 n_iter = 6 J = 126.98 max(relative change in state) = 0.13432E-01 n_iter = 7 J = 126.95 max(relative change in state) = 0.61418E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 474 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 475 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 475 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 118.99 max(relative change in state) = - n_iter = 2 J = 108.10 max(relative change in state) = 1.8619 n_iter = 3 J = 106.53 max(relative change in state) = 0.52670 n_iter = 4 J = 107.58 max(relative change in state) = 0.38750 n_iter = 5 J = 106.50 max(relative change in state) = 0.34628 n_iter = 6 J = 106.49 max(relative change in state) = 0.92622E-02 n_iter = 7 J = 106.45 max(relative change in state) = 0.15203 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 475 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 476 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 476 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 44.860 max(relative change in state) = - n_iter = 2 J = 39.052 max(relative change in state) = 0.87339 n_iter = 3 J = 37.280 max(relative change in state) = 0.87015 n_iter = 4 J = 40.706 max(relative change in state) = 1.3302 n_iter = 5 J = 37.214 max(relative change in state) = 1.2459 n_iter = 6 J = 37.193 max(relative change in state) = 0.14932E-01 n_iter = 7 J = 37.182 max(relative change in state) = 0.91774E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 476 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 477 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 477 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 187.77 max(relative change in state) = - n_iter = 2 J = 314.76 max(relative change in state) = 9.7326 n_iter = 3 J = 169.15 max(relative change in state) = 7.5872 n_iter = 4 J = 169.57 max(relative change in state) = 0.69698 n_iter = 5 J = 168.95 max(relative change in state) = 0.49993 n_iter = 6 J = 168.93 max(relative change in state) = 0.72044E-01 n_iter = 7 J = 168.90 max(relative change in state) = 0.10453 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 477 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 478 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 478 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 54.958 max(relative change in state) = - n_iter = 2 J = 49.647 max(relative change in state) = 0.74239 n_iter = 3 J = 44.069 max(relative change in state) = 1.7576 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 478 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 479 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 479 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 90.429 max(relative change in state) = - n_iter = 2 J = 78.849 max(relative change in state) = 0.97763 n_iter = 3 J = 74.296 max(relative change in state) = 1.0605 n_iter = 4 J = 73.900 max(relative change in state) = 0.39949 n_iter = 5 J = 74.056 max(relative change in state) = 0.39447 n_iter = 6 J = 73.655 max(relative change in state) = 0.21520 n_iter = 7 J = 73.612 max(relative change in state) = 0.30975E-01 n_iter = 8 J = 73.522 max(relative change in state) = 0.73494E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 479 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 480 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 480 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 170.29 max(relative change in state) = - n_iter = 2 J = 151.81 max(relative change in state) = 4.4963 n_iter = 3 J = 134.34 max(relative change in state) = 2.1044 n_iter = 4 J = 139.93 max(relative change in state) = 1.8524 n_iter = 5 J = 134.12 max(relative change in state) = 1.5611 n_iter = 6 J = 134.07 max(relative change in state) = 0.25745E-01 n_iter = 7 J = 133.87 max(relative change in state) = 0.34494 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 480 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 481 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 481 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 111.87 max(relative change in state) = - n_iter = 2 J = 103.48 max(relative change in state) = 1.2094 n_iter = 3 J = 101.82 max(relative change in state) = 0.55985 n_iter = 4 J = 107.52 max(relative change in state) = 1.8313 n_iter = 5 J = 101.60 max(relative change in state) = 1.6051 n_iter = 6 J = 101.52 max(relative change in state) = 0.31010E-01 n_iter = 7 J = 101.46 max(relative change in state) = 0.22815 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 481 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 482 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 482 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 691.95 max(relative change in state) = - n_iter = 2 J = 1874.7 max(relative change in state) = 33.026 n_iter = 3 J = 544.25 max(relative change in state) = 22.523 n_iter = 4 J = 543.59 max(relative change in state) = 0.48170 n_iter = 5 J = 543.56 max(relative change in state) = 0.20066 n_iter = 6 J = 543.26 max(relative change in state) = 0.13801 n_iter = 7 J = 543.24 max(relative change in state) = 0.30687E-01 n_iter = 8 J = 543.22 max(relative change in state) = 0.16220 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 482 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 483 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 483 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.942 max(relative change in state) = - n_iter = 2 J = 23.469 max(relative change in state) = 0.46540 n_iter = 3 J = 20.400 max(relative change in state) = 0.67701 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 483 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 484 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 484 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 24.393 max(relative change in state) = - n_iter = 2 J = 22.805 max(relative change in state) = 0.11471 n_iter = 3 J = 19.853 max(relative change in state) = 0.29808 n_iter = 4 J = 16.588 max(relative change in state) = 0.70845 n_iter = 5 J = 16.471 max(relative change in state) = 0.13155 n_iter = 6 J = 16.252 max(relative change in state) = 0.12575 n_iter = 7 J = 15.988 max(relative change in state) = 0.48904E-01 n_iter = 8 J = 15.885 max(relative change in state) = 0.81843E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 484 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 485 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 485 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 183.85 max(relative change in state) = - n_iter = 2 J = 154.84 max(relative change in state) = 3.4032 n_iter = 3 J = 150.25 max(relative change in state) = 0.83538 n_iter = 4 J = 160.10 max(relative change in state) = 2.3610 n_iter = 5 J = 149.04 max(relative change in state) = 1.8860 n_iter = 6 J = 148.61 max(relative change in state) = 0.59612E-01 n_iter = 7 J = 147.45 max(relative change in state) = 0.53536 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 485 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 486 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 486 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 304.31 max(relative change in state) = - n_iter = 2 J = 324.99 max(relative change in state) = 12.327 n_iter = 3 J = 215.28 max(relative change in state) = 6.9787 n_iter = 4 J = 222.99 max(relative change in state) = 2.2145 n_iter = 5 J = 215.48 max(relative change in state) = 1.7430 n_iter = 6 J = 215.25 max(relative change in state) = 0.24437 n_iter = 7 J = 215.21 max(relative change in state) = 0.61631E-01 n_iter = 8 J = 215.12 max(relative change in state) = 0.13594 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 486 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 487 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 487 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 38.882 max(relative change in state) = - n_iter = 2 J = 32.893 max(relative change in state) = 0.84743 n_iter = 3 J = 29.916 max(relative change in state) = 1.1826 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 487 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 488 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 488 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 46.168 max(relative change in state) = - n_iter = 2 J = 38.950 max(relative change in state) = 0.52017 n_iter = 3 J = 31.491 max(relative change in state) = 1.4021 n_iter = 4 J = 31.055 max(relative change in state) = 0.25384 n_iter = 5 J = 31.348 max(relative change in state) = 0.30272 n_iter = 6 J = 30.898 max(relative change in state) = 0.18929 n_iter = 7 J = 30.856 max(relative change in state) = 0.20769E-01 n_iter = 8 J = 30.837 max(relative change in state) = 0.18823 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 488 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 489 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 489 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 291.58 max(relative change in state) = - n_iter = 2 J = 358.52 max(relative change in state) = 14.953 n_iter = 3 J = 239.63 max(relative change in state) = 8.2221 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 489 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 490 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 490 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 490 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 491 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 491 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 180.92 max(relative change in state) = - n_iter = 2 J = 191.42 max(relative change in state) = 5.9195 n_iter = 3 J = 160.97 max(relative change in state) = 3.7946 n_iter = 4 J = 178.40 max(relative change in state) = 3.1331 n_iter = 5 J = 161.00 max(relative change in state) = 2.4710 n_iter = 6 J = 160.26 max(relative change in state) = 0.39934 n_iter = 7 J = 159.91 max(relative change in state) = 0.13875 n_iter = 8 J = 159.76 max(relative change in state) = 0.10084 n_iter = 9 J = 159.49 max(relative change in state) = 0.10252 n_iter = 10 J = 159.07 max(relative change in state) = 0.22669 n_iter = 11 J = 159.00 max(relative change in state) = 0.38916 n_iter = 12 J = 158.85 max(relative change in state) = 0.20063 n_iter = 13 J = 158.78 max(relative change in state) = 0.14647 n_iter = 14 J = 158.74 max(relative change in state) = 0.46369E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 491 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 492 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 492 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 121.11 max(relative change in state) = - n_iter = 2 J = 102.74 max(relative change in state) = 1.5291 n_iter = 3 J = 94.283 max(relative change in state) = 1.6766 n_iter = 4 J = 94.668 max(relative change in state) = 0.73476 n_iter = 5 J = 94.207 max(relative change in state) = 0.58459 n_iter = 6 J = 94.191 max(relative change in state) = 0.42236E-01 n_iter = 7 J = 94.173 max(relative change in state) = 0.10796 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 492 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 493 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 493 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 428.54 max(relative change in state) = - n_iter = 2 J = 626.32 max(relative change in state) = 15.712 n_iter = 3 J = 354.02 max(relative change in state) = 11.795 n_iter = 4 J = 344.24 max(relative change in state) = 1.7945 n_iter = 5 J = 375.30 max(relative change in state) = 3.2237 n_iter = 6 J = 341.97 max(relative change in state) = 2.6907 n_iter = 7 J = 341.30 max(relative change in state) = 0.11920 n_iter = 8 J = 340.15 max(relative change in state) = 0.60401 n_iter = 9 J = 339.37 max(relative change in state) = 0.42481 n_iter = 10 J = 338.75 max(relative change in state) = 0.33973 n_iter = 11 J = 337.97 max(relative change in state) = 0.56235 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 493 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 494 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 494 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 199.39 max(relative change in state) = - n_iter = 2 J = 447.12 max(relative change in state) = 11.380 n_iter = 3 J = 182.65 max(relative change in state) = 8.3128 n_iter = 4 J = 182.58 max(relative change in state) = 0.15117 n_iter = 5 J = 182.84 max(relative change in state) = 0.16901 n_iter = 6 J = 182.57 max(relative change in state) = 0.13273 n_iter = 7 J = 182.57 max(relative change in state) = 0.50534E-02 n_iter = 8 J = 182.56 max(relative change in state) = 0.36255E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 494 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 495 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 495 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 365.10 max(relative change in state) = - n_iter = 2 J = 1054.7 max(relative change in state) = 21.011 n_iter = 3 J = 309.02 max(relative change in state) = 17.374 n_iter = 4 J = 317.70 max(relative change in state) = 2.5695 n_iter = 5 J = 308.72 max(relative change in state) = 2.2322 n_iter = 6 J = 308.62 max(relative change in state) = 0.32915E-01 n_iter = 7 J = 308.57 max(relative change in state) = 0.45150 n_iter = 8 J = 308.15 max(relative change in state) = 0.31059 n_iter = 9 J = 308.10 max(relative change in state) = 0.38575E-01 n_iter = 10 J = 308.06 max(relative change in state) = 0.30558E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 495 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 496 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 496 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 45.056 max(relative change in state) = - n_iter = 2 J = 37.652 max(relative change in state) = 0.80649 n_iter = 3 J = 31.761 max(relative change in state) = 1.5287 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 496 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 497 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 497 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 30.749 max(relative change in state) = - n_iter = 2 J = 25.792 max(relative change in state) = 0.64694 n_iter = 3 J = 22.311 max(relative change in state) = 1.0841 n_iter = 4 J = 24.171 max(relative change in state) = 1.1697 n_iter = 5 J = 22.288 max(relative change in state) = 1.0620 n_iter = 6 J = 22.282 max(relative change in state) = 0.66745E-02 n_iter = 7 J = 22.261 max(relative change in state) = 0.10209 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 497 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 498 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 498 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 24.336 max(relative change in state) = - n_iter = 2 J = 21.016 max(relative change in state) = 0.70751 n_iter = 3 J = 19.680 max(relative change in state) = 0.79714 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 498 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 499 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 499 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.075 max(relative change in state) = - n_iter = 2 J = 43.092 max(relative change in state) = 0.97604 n_iter = 3 J = 41.191 max(relative change in state) = 0.78882 n_iter = 4 J = 41.317 max(relative change in state) = 0.44455 n_iter = 5 J = 40.824 max(relative change in state) = 0.34428 n_iter = 6 J = 40.787 max(relative change in state) = 0.68686E-01 n_iter = 7 J = 40.736 max(relative change in state) = 0.80122E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 499 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 500 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 500 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 205.33 max(relative change in state) = - n_iter = 2 J = 383.21 max(relative change in state) = 14.421 n_iter = 3 J = 184.33 max(relative change in state) = 10.094 n_iter = 4 J = 189.18 max(relative change in state) = 1.5666 n_iter = 5 J = 184.26 max(relative change in state) = 1.4083 n_iter = 6 J = 184.24 max(relative change in state) = 0.15954E-01 n_iter = 7 J = 184.18 max(relative change in state) = 0.24784 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 500 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 501 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 501 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.601 max(relative change in state) = - n_iter = 2 J = 36.356 max(relative change in state) = 0.31884 n_iter = 3 J = 27.541 max(relative change in state) = 0.97871 n_iter = 4 J = 25.477 max(relative change in state) = 0.64030 n_iter = 5 J = 24.563 max(relative change in state) = 0.29971 n_iter = 6 J = 24.464 max(relative change in state) = 0.61467E-01 n_iter = 7 J = 24.347 max(relative change in state) = 0.56361E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 501 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 502 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 502 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 502 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 503 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 503 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 247.85 max(relative change in state) = - n_iter = 2 J = 275.64 max(relative change in state) = 9.5112 n_iter = 3 J = 202.56 max(relative change in state) = 5.4257 n_iter = 4 J = 200.51 max(relative change in state) = 0.47679 n_iter = 5 J = 200.79 max(relative change in state) = 1.6790 n_iter = 6 J = 198.54 max(relative change in state) = 0.36779 n_iter = 7 J = 198.47 max(relative change in state) = 0.51920E-01 n_iter = 8 J = 198.24 max(relative change in state) = 0.25135 n_iter = 9 J = 198.21 max(relative change in state) = 0.18922 n_iter = 10 J = 198.16 max(relative change in state) = 0.97100E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 503 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 504 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 504 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 219.03 max(relative change in state) = - n_iter = 2 J = 512.70 max(relative change in state) = 13.408 n_iter = 3 J = 197.88 max(relative change in state) = 11.056 n_iter = 4 J = 198.03 max(relative change in state) = 0.60302 n_iter = 5 J = 197.78 max(relative change in state) = 0.43629 n_iter = 6 J = 197.77 max(relative change in state) = 0.47015E-01 n_iter = 7 J = 197.75 max(relative change in state) = 0.10289 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 504 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 505 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 505 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 753.90 max(relative change in state) = - n_iter = 2 J = 868.75 max(relative change in state) = 21.551 n_iter = 3 J = 460.47 max(relative change in state) = 11.137 n_iter = 4 J = 459.69 max(relative change in state) = 0.53650 n_iter = 5 J = 458.96 max(relative change in state) = 0.30499 n_iter = 6 J = 458.92 max(relative change in state) = 0.94628E-01 n_iter = 7 J = 458.88 max(relative change in state) = 0.83241E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 505 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 506 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 506 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.925 max(relative change in state) = - n_iter = 2 J = 22.727 max(relative change in state) = 0.66395 n_iter = 3 J = 19.840 max(relative change in state) = 1.0483 n_iter = 4 J = 20.401 max(relative change in state) = 0.74286 n_iter = 5 J = 19.508 max(relative change in state) = 0.50002 n_iter = 6 J = 19.457 max(relative change in state) = 0.10316 n_iter = 7 J = 19.399 max(relative change in state) = 0.11741 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 506 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 507 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 507 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 123.19 max(relative change in state) = - n_iter = 2 J = 106.41 max(relative change in state) = 0.72750 n_iter = 3 J = 102.08 max(relative change in state) = 0.44077 n_iter = 4 J = 99.513 max(relative change in state) = 0.29602 n_iter = 5 J = 93.300 max(relative change in state) = 1.5830 n_iter = 6 J = 91.827 max(relative change in state) = 0.60351 n_iter = 7 J = 91.366 max(relative change in state) = 0.19662 n_iter = 8 J = 91.298 max(relative change in state) = 0.83583E-01 n_iter = 9 J = 91.224 max(relative change in state) = 0.53592E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 507 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 508 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 508 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 47.937 max(relative change in state) = - n_iter = 2 J = 39.972 max(relative change in state) = 0.72238 n_iter = 3 J = 33.006 max(relative change in state) = 1.3604 n_iter = 4 J = 35.201 max(relative change in state) = 1.1266 n_iter = 5 J = 32.985 max(relative change in state) = 1.0271 n_iter = 6 J = 32.980 max(relative change in state) = 0.85596E-02 n_iter = 7 J = 32.966 max(relative change in state) = 0.22774 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 508 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 509 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 509 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.628 max(relative change in state) = - n_iter = 2 J = 21.660 max(relative change in state) = 0.29984 n_iter = 3 J = 15.572 max(relative change in state) = 1.1127 n_iter = 4 J = 15.793 max(relative change in state) = 0.49733 n_iter = 5 J = 15.341 max(relative change in state) = 0.34227 n_iter = 6 J = 15.295 max(relative change in state) = 0.84112E-01 n_iter = 7 J = 15.280 max(relative change in state) = 0.13818 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 509 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 510 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 510 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 101.69 max(relative change in state) = - n_iter = 2 J = 92.573 max(relative change in state) = 2.4567 n_iter = 3 J = 92.040 max(relative change in state) = 0.55802 n_iter = 4 J = 92.340 max(relative change in state) = 0.37947 n_iter = 5 J = 92.035 max(relative change in state) = 0.33077 n_iter = 6 J = 92.033 max(relative change in state) = 0.45148E-02 n_iter = 7 J = 92.026 max(relative change in state) = 0.71244E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 510 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 511 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 511 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 72.827 max(relative change in state) = - n_iter = 2 J = 65.005 max(relative change in state) = 1.4235 n_iter = 3 J = 64.044 max(relative change in state) = 0.90257 n_iter = 4 J = 63.772 max(relative change in state) = 0.34529 n_iter = 5 J = 63.578 max(relative change in state) = 0.22528 n_iter = 6 J = 63.552 max(relative change in state) = 0.31609E-01 n_iter = 7 J = 63.536 max(relative change in state) = 0.39663E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 511 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 512 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 512 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 52.043 max(relative change in state) = - n_iter = 2 J = 45.517 max(relative change in state) = 0.93284 n_iter = 3 J = 44.666 max(relative change in state) = 0.67486 n_iter = 4 J = 48.234 max(relative change in state) = 1.3672 n_iter = 5 J = 44.682 max(relative change in state) = 1.0135 n_iter = 6 J = 44.616 max(relative change in state) = 0.13357 n_iter = 7 J = 44.611 max(relative change in state) = 0.10927E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 512 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 513 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 513 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 17.784 max(relative change in state) = - n_iter = 2 J = 15.095 max(relative change in state) = 0.46392 n_iter = 3 J = 13.810 max(relative change in state) = 0.50344 n_iter = 4 J = 15.374 max(relative change in state) = 0.93481 n_iter = 5 J = 13.801 max(relative change in state) = 0.87148 n_iter = 6 J = 13.799 max(relative change in state) = 0.41119E-02 n_iter = 7 J = 13.805 max(relative change in state) = 0.12723 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 513 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 514 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 514 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 123.73 max(relative change in state) = - n_iter = 2 J = 110.91 max(relative change in state) = 2.0850 n_iter = 3 J = 108.87 max(relative change in state) = 0.72310 n_iter = 4 J = 112.48 max(relative change in state) = 1.6927 n_iter = 5 J = 108.51 max(relative change in state) = 1.4641 n_iter = 6 J = 108.37 max(relative change in state) = 0.77501E-01 n_iter = 7 J = 108.23 max(relative change in state) = 0.14381 n_iter = 8 J = 108.28 max(relative change in state) = 0.10166 n_iter = 9 J = 108.13 max(relative change in state) = 0.38472E-01 n_iter = 10 J = 108.08 max(relative change in state) = 0.38966E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 514 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 515 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 515 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 6 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 85.417 max(relative change in state) = - n_iter = 2 J = 71.882 max(relative change in state) = 1.1084 n_iter = 3 J = 64.147 max(relative change in state) = 1.3078 n_iter = 4 J = 64.387 max(relative change in state) = 0.51872 n_iter = 5 J = 63.965 max(relative change in state) = 0.35891 n_iter = 6 J = 63.923 max(relative change in state) = 0.82655E-01 n_iter = 7 J = 63.809 max(relative change in state) = 0.14261 n_iter = 8 J = 63.799 max(relative change in state) = 0.74681E-01 n_iter = 9 J = 63.772 max(relative change in state) = 0.28625E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 515 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 516 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 516 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 286.33 max(relative change in state) = - n_iter = 2 J = 446.76 max(relative change in state) = 13.430 n_iter = 3 J = 227.14 max(relative change in state) = 9.0116 n_iter = 4 J = 228.77 max(relative change in state) = 1.0845 n_iter = 5 J = 226.96 max(relative change in state) = 0.86522 n_iter = 6 J = 226.90 max(relative change in state) = 0.35448E-01 n_iter = 7 J = 226.62 max(relative change in state) = 0.25339 n_iter = 8 J = 226.69 max(relative change in state) = 0.30911 n_iter = 9 J = 226.58 max(relative change in state) = 0.17765 n_iter = 10 J = 226.58 max(relative change in state) = 0.31271E-01 n_iter = 11 J = 226.57 max(relative change in state) = 0.33200E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 516 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 517 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 517 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 80.153 max(relative change in state) = - n_iter = 2 J = 66.265 max(relative change in state) = 0.99406 n_iter = 3 J = 48.843 max(relative change in state) = 2.7990 n_iter = 4 J = 63.728 max(relative change in state) = 2.7000 n_iter = 5 J = 48.718 max(relative change in state) = 2.4718 n_iter = 6 J = 48.688 max(relative change in state) = 0.16055E-01 n_iter = 7 J = 48.591 max(relative change in state) = 0.29266 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 517 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 518 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 518 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 49.981 max(relative change in state) = - n_iter = 2 J = 42.944 max(relative change in state) = 0.76165 n_iter = 3 J = 38.439 max(relative change in state) = 1.2277 n_iter = 4 J = 38.397 max(relative change in state) = 0.13496 n_iter = 5 J = 38.264 max(relative change in state) = 0.62230E-01 n_iter = 6 J = 38.174 max(relative change in state) = 0.81905E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 518 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 519 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 519 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 37.750 max(relative change in state) = - n_iter = 2 J = 32.267 max(relative change in state) = 0.57474 n_iter = 3 J = 30.074 max(relative change in state) = 0.82503 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 519 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 520 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 520 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 152.25 max(relative change in state) = - n_iter = 2 J = 124.96 max(relative change in state) = 3.2126 n_iter = 3 J = 121.30 max(relative change in state) = 0.78805 n_iter = 4 J = 130.39 max(relative change in state) = 2.2983 n_iter = 5 J = 121.17 max(relative change in state) = 2.0367 n_iter = 6 J = 121.16 max(relative change in state) = 0.81684E-02 n_iter = 7 J = 121.09 max(relative change in state) = 0.12842 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 520 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 521 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 521 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 36.735 max(relative change in state) = - n_iter = 2 J = 31.543 max(relative change in state) = 0.43024 n_iter = 3 J = 25.155 max(relative change in state) = 1.2152 n_iter = 4 J = 26.902 max(relative change in state) = 0.98378 n_iter = 5 J = 24.867 max(relative change in state) = 0.80154 n_iter = 6 J = 24.720 max(relative change in state) = 0.53829E-01 n_iter = 7 J = 24.414 max(relative change in state) = 0.20100 n_iter = 8 J = 24.306 max(relative change in state) = 0.35210 n_iter = 9 J = 24.123 max(relative change in state) = 0.17587 n_iter = 10 J = 24.062 max(relative change in state) = 0.16661 n_iter = 11 J = 23.994 max(relative change in state) = 0.91714E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 521 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 522 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 522 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 151.18 max(relative change in state) = - n_iter = 2 J = 130.70 max(relative change in state) = 2.3219 n_iter = 3 J = 126.10 max(relative change in state) = 0.80197 n_iter = 4 J = 126.60 max(relative change in state) = 0.69195 n_iter = 5 J = 125.67 max(relative change in state) = 0.45374 n_iter = 6 J = 125.62 max(relative change in state) = 0.95031E-01 n_iter = 7 J = 125.58 max(relative change in state) = 0.12846 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 522 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 523 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 523 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 64.367 max(relative change in state) = - n_iter = 2 J = 62.753 max(relative change in state) = 0.11437 n_iter = 3 J = 46.433 max(relative change in state) = 1.4668 n_iter = 4 J = 46.206 max(relative change in state) = 0.14821 n_iter = 5 J = 46.853 max(relative change in state) = 1.1846 n_iter = 6 J = 45.223 max(relative change in state) = 0.88168 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 523 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 524 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 524 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 190.64 max(relative change in state) = - n_iter = 2 J = 284.00 max(relative change in state) = 9.4729 n_iter = 3 J = 168.71 max(relative change in state) = 5.5683 n_iter = 4 J = 226.10 max(relative change in state) = 5.6004 n_iter = 5 J = 168.38 max(relative change in state) = 5.1499 n_iter = 6 J = 168.37 max(relative change in state) = 0.21385E-01 n_iter = 7 J = 168.32 max(relative change in state) = 0.11220 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 524 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 525 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 525 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 111.38 max(relative change in state) = - n_iter = 2 J = 103.11 max(relative change in state) = 0.41996 n_iter = 3 J = 83.149 max(relative change in state) = 2.2560 n_iter = 4 J = 82.103 max(relative change in state) = 0.84303 n_iter = 5 J = 80.620 max(relative change in state) = 0.76071 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 6. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 525 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 526 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 526 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 132.55 max(relative change in state) = - n_iter = 2 J = 118.91 max(relative change in state) = 1.9073 n_iter = 3 J = 116.97 max(relative change in state) = 0.95125 n_iter = 4 J = 118.47 max(relative change in state) = 0.91195 n_iter = 5 J = 116.92 max(relative change in state) = 0.79513 n_iter = 6 J = 116.89 max(relative change in state) = 0.16543E-01 n_iter = 7 J = 116.84 max(relative change in state) = 0.24390 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 526 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 527 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 527 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 49.839 max(relative change in state) = - n_iter = 2 J = 47.694 max(relative change in state) = 0.11976 n_iter = 3 J = 31.958 max(relative change in state) = 1.5404 n_iter = 4 J = 31.209 max(relative change in state) = 0.10320 n_iter = 5 J = 31.902 max(relative change in state) = 1.1537 n_iter = 6 J = 29.059 max(relative change in state) = 1.0176 n_iter = 7 J = 29.767 max(relative change in state) = 0.49050 n_iter = 8 J = 28.567 max(relative change in state) = 0.24584 n_iter = 9 J = 28.188 max(relative change in state) = 0.50691E-01 n_iter = 10 J = 27.602 max(relative change in state) = 0.16071 n_iter = 11 J = 27.337 max(relative change in state) = 0.15873 n_iter = 12 J = 26.996 max(relative change in state) = 0.90566E-01 n_iter = 13 J = 26.874 max(relative change in state) = 0.10947 n_iter = 14 J = 26.847 max(relative change in state) = 0.76690E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 527 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 528 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 528 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 267.21 max(relative change in state) = - n_iter = 2 J = 244.72 max(relative change in state) = 4.3170 n_iter = 3 J = 240.33 max(relative change in state) = 1.8337 n_iter = 4 J = 238.83 max(relative change in state) = 0.94198 n_iter = 5 J = 232.54 max(relative change in state) = 0.62699 n_iter = 6 J = 227.86 max(relative change in state) = 0.85339 n_iter = 7 J = 226.69 max(relative change in state) = 0.98459 n_iter = 8 J = 225.66 max(relative change in state) = 0.44595 n_iter = 9 J = 225.21 max(relative change in state) = 0.37354 n_iter = 10 J = 224.94 max(relative change in state) = 0.14632 n_iter = 11 J = 224.71 max(relative change in state) = 0.12027 n_iter = 12 J = 224.47 max(relative change in state) = 0.16791 n_iter = 13 J = 224.35 max(relative change in state) = 0.23385 n_iter = 14 J = 224.39 max(relative change in state) = 0.83827E-01 n_iter = 15 J = 224.29 max(relative change in state) = 0.41106E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 528 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 529 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 529 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 168.94 max(relative change in state) = - n_iter = 2 J = 113.71 max(relative change in state) = 2.3875 n_iter = 3 J = 79.714 max(relative change in state) = 3.1708 n_iter = 4 J = 90.447 max(relative change in state) = 2.4006 n_iter = 5 J = 78.836 max(relative change in state) = 2.0207 n_iter = 6 J = 78.452 max(relative change in state) = 0.74888E-01 n_iter = 7 J = 77.466 max(relative change in state) = 0.41863 n_iter = 8 J = 78.259 max(relative change in state) = 0.38943 n_iter = 9 J = 76.922 max(relative change in state) = 0.27927 n_iter = 10 J = 76.837 max(relative change in state) = 0.25617E-01 n_iter = 11 J = 76.485 max(relative change in state) = 0.16554 n_iter = 12 J = 76.385 max(relative change in state) = 0.18654 n_iter = 13 J = 76.289 max(relative change in state) = 0.52249E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 529 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 530 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 530 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 49.938 max(relative change in state) = - n_iter = 2 J = 42.114 max(relative change in state) = 1.0042 n_iter = 3 J = 37.936 max(relative change in state) = 1.3127 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 530 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 531 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 531 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 62.550 max(relative change in state) = - n_iter = 2 J = 55.918 max(relative change in state) = 1.5168 n_iter = 3 J = 55.331 max(relative change in state) = 0.48736 n_iter = 4 J = 58.066 max(relative change in state) = 1.2943 n_iter = 5 J = 55.366 max(relative change in state) = 0.98466 n_iter = 6 J = 55.300 max(relative change in state) = 0.11848 n_iter = 7 J = 55.291 max(relative change in state) = 0.45276E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 531 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 532 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 532 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 532 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 533 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 533 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 54.087 max(relative change in state) = - n_iter = 2 J = 44.868 max(relative change in state) = 0.62354 n_iter = 3 J = 34.661 max(relative change in state) = 1.6325 n_iter = 4 J = 35.146 max(relative change in state) = 0.70142 n_iter = 5 J = 34.595 max(relative change in state) = 0.55030 n_iter = 6 J = 34.579 max(relative change in state) = 0.33176E-01 n_iter = 7 J = 34.529 max(relative change in state) = 0.11933 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 533 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 534 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 534 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control removes 3 refractivity data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 350.69 max(relative change in state) = - n_iter = 2 J = 309.30 max(relative change in state) = 6.1313 n_iter = 3 J = 293.77 max(relative change in state) = 3.0686 n_iter = 4 J = 295.75 max(relative change in state) = 2.6972 n_iter = 5 J = 279.95 max(relative change in state) = 1.6243 n_iter = 6 J = 272.94 max(relative change in state) = 1.0943 n_iter = 7 J = 266.48 max(relative change in state) = 1.0111 n_iter = 8 J = 260.30 max(relative change in state) = 1.3590 n_iter = 9 J = 257.64 max(relative change in state) = 0.64900 n_iter = 10 J = 255.05 max(relative change in state) = 0.47280 n_iter = 11 J = 253.84 max(relative change in state) = 0.32359 n_iter = 12 J = 252.62 max(relative change in state) = 0.23533 n_iter = 13 J = 252.89 max(relative change in state) = 0.65001 n_iter = 14 J = 251.44 max(relative change in state) = 0.13356 n_iter = 15 J = 251.32 max(relative change in state) = 0.15024 n_iter = 16 J = 251.18 max(relative change in state) = 0.20732 n_iter = 17 J = 251.02 max(relative change in state) = 0.91197E-01 n_iter = 18 J = 251.13 max(relative change in state) = 0.59795 n_iter = 19 J = 250.86 max(relative change in state) = 0.37702 n_iter = 20 J = 250.84 max(relative change in state) = 0.69663E-01 n_iter = 21 J = 250.83 max(relative change in state) = 0.43847E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 21. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 534 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 535 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 535 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 38.387 max(relative change in state) = - n_iter = 2 J = 31.606 max(relative change in state) = 0.42912 n_iter = 3 J = 20.387 max(relative change in state) = 1.1592 n_iter = 4 J = 18.566 max(relative change in state) = 0.43305 n_iter = 5 J = 19.201 max(relative change in state) = 0.53507 n_iter = 6 J = 18.193 max(relative change in state) = 0.36424 n_iter = 7 J = 18.132 max(relative change in state) = 0.53445E-01 n_iter = 8 J = 18.029 max(relative change in state) = 0.13115 n_iter = 9 J = 17.931 max(relative change in state) = 0.71823E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 535 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 536 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 536 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 24.719 max(relative change in state) = - n_iter = 2 J = 21.433 max(relative change in state) = 0.85900 n_iter = 3 J = 20.795 max(relative change in state) = 0.51803 n_iter = 4 J = 21.850 max(relative change in state) = 0.94132 n_iter = 5 J = 20.780 max(relative change in state) = 0.85084 n_iter = 6 J = 20.776 max(relative change in state) = 0.65349E-02 n_iter = 7 J = 20.766 max(relative change in state) = 0.10180 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 536 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 537 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 537 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 48.283 max(relative change in state) = - n_iter = 2 J = 41.372 max(relative change in state) = 0.50642 n_iter = 3 J = 37.114 max(relative change in state) = 0.44983 n_iter = 4 J = 33.602 max(relative change in state) = 0.57932 n_iter = 5 J = 31.324 max(relative change in state) = 0.69703 n_iter = 6 J = 31.135 max(relative change in state) = 0.20861 n_iter = 7 J = 30.941 max(relative change in state) = 0.74609E-01 n_iter = 8 J = 30.878 max(relative change in state) = 0.63200E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 537 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 538 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 538 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 150.30 max(relative change in state) = - n_iter = 2 J = 119.63 max(relative change in state) = 3.3019 n_iter = 3 J = 116.73 max(relative change in state) = 1.0654 n_iter = 4 J = 116.49 max(relative change in state) = 0.69041 n_iter = 5 J = 116.64 max(relative change in state) = 0.44519 n_iter = 6 J = 116.28 max(relative change in state) = 0.16664 n_iter = 7 J = 116.27 max(relative change in state) = 0.23927E-01 n_iter = 8 J = 116.24 max(relative change in state) = 0.80188E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 538 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 539 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 539 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 16.779 max(relative change in state) = - n_iter = 2 J = 14.062 max(relative change in state) = 0.47664 n_iter = 3 J = 12.122 max(relative change in state) = 0.73675 n_iter = 4 J = 12.104 max(relative change in state) = 0.72588E-01 n_iter = 5 J = 12.096 max(relative change in state) = 0.69707E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 539 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 540 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 540 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 29.371 max(relative change in state) = - n_iter = 2 J = 24.502 max(relative change in state) = 0.55921 n_iter = 3 J = 20.124 max(relative change in state) = 1.0550 n_iter = 4 J = 22.782 max(relative change in state) = 1.1069 n_iter = 5 J = 20.088 max(relative change in state) = 0.99129 n_iter = 6 J = 20.080 max(relative change in state) = 0.91152E-02 n_iter = 7 J = 20.019 max(relative change in state) = 0.23243 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 540 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 541 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 541 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 228.71 max(relative change in state) = - n_iter = 2 J = 266.66 max(relative change in state) = 8.4650 n_iter = 3 J = 181.53 max(relative change in state) = 5.3974 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 541 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 542 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 542 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 79.675 max(relative change in state) = - n_iter = 2 J = 66.346 max(relative change in state) = 0.36076 n_iter = 3 J = 50.707 max(relative change in state) = 0.78767 n_iter = 4 J = 45.557 max(relative change in state) = 0.43306 n_iter = 5 J = 42.568 max(relative change in state) = 0.41836 n_iter = 6 J = 41.118 max(relative change in state) = 0.24414 n_iter = 7 J = 40.285 max(relative change in state) = 0.20656 n_iter = 8 J = 39.388 max(relative change in state) = 0.40442 n_iter = 9 J = 39.516 max(relative change in state) = 0.42700 n_iter = 10 J = 38.840 max(relative change in state) = 0.15305 n_iter = 11 J = 38.763 max(relative change in state) = 0.34344E-01 n_iter = 12 J = 38.663 max(relative change in state) = 0.69043E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 542 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 543 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 543 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 73.199 max(relative change in state) = - n_iter = 2 J = 63.907 max(relative change in state) = 1.4935 n_iter = 3 J = 62.522 max(relative change in state) = 1.0773 n_iter = 4 J = 68.399 max(relative change in state) = 1.9027 n_iter = 5 J = 62.494 max(relative change in state) = 1.7715 n_iter = 6 J = 62.491 max(relative change in state) = 0.45901E-02 n_iter = 7 J = 62.487 max(relative change in state) = 0.95319E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 543 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 544 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 544 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 88.668 max(relative change in state) = - n_iter = 2 J = 77.370 max(relative change in state) = 1.5551 n_iter = 3 J = 75.611 max(relative change in state) = 1.2342 n_iter = 4 J = 77.231 max(relative change in state) = 1.0952 n_iter = 5 J = 75.598 max(relative change in state) = 1.0120 n_iter = 6 J = 75.595 max(relative change in state) = 0.66491E-02 n_iter = 7 J = 75.583 max(relative change in state) = 0.11939 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 544 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 545 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 545 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 47.009 max(relative change in state) = - n_iter = 2 J = 40.010 max(relative change in state) = 0.65348 n_iter = 3 J = 33.846 max(relative change in state) = 1.2982 n_iter = 4 J = 33.123 max(relative change in state) = 0.38455 n_iter = 5 J = 33.536 max(relative change in state) = 0.43398 n_iter = 6 J = 32.929 max(relative change in state) = 0.23072 n_iter = 7 J = 32.908 max(relative change in state) = 0.14753E-01 n_iter = 8 J = 32.821 max(relative change in state) = 0.16611 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 545 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 546 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 546 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 213.54 max(relative change in state) = - n_iter = 2 J = 328.33 max(relative change in state) = 12.473 n_iter = 3 J = 184.51 max(relative change in state) = 7.8108 n_iter = 4 J = 201.74 max(relative change in state) = 2.5279 n_iter = 5 J = 184.45 max(relative change in state) = 2.3699 n_iter = 6 J = 184.44 max(relative change in state) = 0.96871E-02 n_iter = 7 J = 184.38 max(relative change in state) = 0.11222 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 546 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 547 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 547 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 547 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 548 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 548 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 45.564 max(relative change in state) = - n_iter = 2 J = 40.202 max(relative change in state) = 0.66997 n_iter = 3 J = 37.883 max(relative change in state) = 0.77705 n_iter = 4 J = 37.587 max(relative change in state) = 0.30049 n_iter = 5 J = 38.307 max(relative change in state) = 0.33412 n_iter = 6 J = 37.556 max(relative change in state) = 0.26417 n_iter = 7 J = 37.544 max(relative change in state) = 0.98070E-02 n_iter = 8 J = 37.599 max(relative change in state) = 0.12751 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 548 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 549 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 549 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 76.391 max(relative change in state) = - n_iter = 2 J = 64.041 max(relative change in state) = 0.97342 n_iter = 3 J = 55.433 max(relative change in state) = 1.5558 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 549 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 550 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 550 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 232.45 max(relative change in state) = - n_iter = 2 J = 377.21 max(relative change in state) = 14.684 n_iter = 3 J = 197.32 max(relative change in state) = 8.9716 n_iter = 4 J = 237.07 max(relative change in state) = 4.5708 n_iter = 5 J = 197.11 max(relative change in state) = 4.2203 n_iter = 6 J = 197.10 max(relative change in state) = 0.14656E-01 n_iter = 7 J = 196.99 max(relative change in state) = 0.13272 n_iter = 8 J = 197.08 max(relative change in state) = 0.36371 n_iter = 9 J = 196.96 max(relative change in state) = 0.24423 n_iter = 10 J = 196.96 max(relative change in state) = 0.17029E-01 n_iter = 11 J = 196.95 max(relative change in state) = 0.17386E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 550 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 551 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 551 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 40.023 max(relative change in state) = - n_iter = 2 J = 34.224 max(relative change in state) = 0.60012 n_iter = 3 J = 31.139 max(relative change in state) = 0.98710 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 551 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 552 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 552 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 180.09 max(relative change in state) = - n_iter = 2 J = 157.47 max(relative change in state) = 5.4242 n_iter = 3 J = 144.43 max(relative change in state) = 2.4725 n_iter = 4 J = 158.20 max(relative change in state) = 2.7682 n_iter = 5 J = 144.09 max(relative change in state) = 2.4702 n_iter = 6 J = 143.93 max(relative change in state) = 0.52653E-01 n_iter = 7 J = 144.49 max(relative change in state) = 0.47961 n_iter = 8 J = 143.38 max(relative change in state) = 0.25629 n_iter = 9 J = 143.28 max(relative change in state) = 0.33813E-01 n_iter = 10 J = 142.98 max(relative change in state) = 0.17024 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 552 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 553 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 553 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 45.057 max(relative change in state) = - n_iter = 2 J = 38.041 max(relative change in state) = 0.48434 n_iter = 3 J = 29.114 max(relative change in state) = 1.4169 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 553 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 554 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 554 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 22.763 max(relative change in state) = - n_iter = 2 J = 19.378 max(relative change in state) = 0.56268 n_iter = 3 J = 17.568 max(relative change in state) = 0.58482 n_iter = 4 J = 17.346 max(relative change in state) = 0.26140 n_iter = 5 J = 17.813 max(relative change in state) = 0.69009 n_iter = 6 J = 17.333 max(relative change in state) = 0.59876 n_iter = 7 J = 17.331 max(relative change in state) = 0.59868E-02 n_iter = 8 J = 17.321 max(relative change in state) = 0.38304E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 554 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 555 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 555 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 104.54 max(relative change in state) = - n_iter = 2 J = 89.693 max(relative change in state) = 1.3697 n_iter = 3 J = 83.440 max(relative change in state) = 1.6959 n_iter = 4 J = 83.243 max(relative change in state) = 0.29466 n_iter = 5 J = 82.830 max(relative change in state) = 0.25572 n_iter = 6 J = 82.646 max(relative change in state) = 0.59501E-01 n_iter = 7 J = 82.426 max(relative change in state) = 0.15637 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 555 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 556 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 556 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 223.83 max(relative change in state) = - n_iter = 2 J = 203.13 max(relative change in state) = 5.2324 n_iter = 3 J = 183.16 max(relative change in state) = 2.2054 n_iter = 4 J = 190.58 max(relative change in state) = 2.0501 n_iter = 5 J = 180.70 max(relative change in state) = 1.8717 n_iter = 6 J = 178.69 max(relative change in state) = 0.26587 n_iter = 7 J = 177.44 max(relative change in state) = 0.49003 n_iter = 8 J = 175.80 max(relative change in state) = 0.19621 n_iter = 9 J = 175.26 max(relative change in state) = 0.15658 n_iter = 10 J = 174.85 max(relative change in state) = 0.22708 n_iter = 11 J = 174.43 max(relative change in state) = 0.98721E-01 n_iter = 12 J = 173.68 max(relative change in state) = 0.31420 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 556 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 557 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 557 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 140.36 max(relative change in state) = - n_iter = 2 J = 118.16 max(relative change in state) = 1.8933 n_iter = 3 J = 111.25 max(relative change in state) = 1.1993 n_iter = 4 J = 110.66 max(relative change in state) = 0.43823 n_iter = 5 J = 112.62 max(relative change in state) = 0.90734 n_iter = 6 J = 110.55 max(relative change in state) = 0.73836 n_iter = 7 J = 110.52 max(relative change in state) = 0.17218E-01 n_iter = 8 J = 110.55 max(relative change in state) = 0.28926 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 557 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 558 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 558 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 109.90 max(relative change in state) = - n_iter = 2 J = 99.597 max(relative change in state) = 0.87533 n_iter = 3 J = 93.038 max(relative change in state) = 0.72384 n_iter = 4 J = 90.133 max(relative change in state) = 1.1326 n_iter = 5 J = 93.150 max(relative change in state) = 1.1724 n_iter = 6 J = 88.878 max(relative change in state) = 0.71930 n_iter = 7 J = 88.700 max(relative change in state) = 0.44074E-01 n_iter = 8 J = 88.452 max(relative change in state) = 0.27481 n_iter = 9 J = 88.431 max(relative change in state) = 0.15694 n_iter = 10 J = 88.099 max(relative change in state) = 0.44320E-01 n_iter = 11 J = 87.971 max(relative change in state) = 0.73149E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 558 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 559 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 559 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 106.07 max(relative change in state) = - n_iter = 2 J = 91.049 max(relative change in state) = 1.2273 n_iter = 3 J = 81.648 max(relative change in state) = 2.5809 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 559 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 560 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 560 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 127.71 max(relative change in state) = - n_iter = 2 J = 108.87 max(relative change in state) = 1.5603 n_iter = 3 J = 101.24 max(relative change in state) = 2.2482 n_iter = 4 J = 102.54 max(relative change in state) = 0.70966 n_iter = 5 J = 101.07 max(relative change in state) = 0.58856 n_iter = 6 J = 101.05 max(relative change in state) = 0.42073E-01 n_iter = 7 J = 101.03 max(relative change in state) = 0.75678E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 560 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 561 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 561 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.976 max(relative change in state) = - n_iter = 2 J = 29.184 max(relative change in state) = 0.89829 n_iter = 3 J = 27.573 max(relative change in state) = 0.74134 n_iter = 4 J = 31.760 max(relative change in state) = 1.3896 n_iter = 5 J = 27.534 max(relative change in state) = 1.2702 n_iter = 6 J = 27.524 max(relative change in state) = 0.13268E-01 n_iter = 7 J = 27.484 max(relative change in state) = 0.27274 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 561 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 562 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 562 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 68.625 max(relative change in state) = - n_iter = 2 J = 60.989 max(relative change in state) = 0.39569 n_iter = 3 J = 42.965 max(relative change in state) = 2.7507 n_iter = 4 J = 41.770 max(relative change in state) = 0.33212 n_iter = 5 J = 45.754 max(relative change in state) = 1.5151 n_iter = 6 J = 41.053 max(relative change in state) = 1.9510 n_iter = 7 J = 39.454 max(relative change in state) = 0.31072 n_iter = 8 J = 38.434 max(relative change in state) = 0.11457 n_iter = 9 J = 37.767 max(relative change in state) = 0.17839 n_iter = 10 J = 37.441 max(relative change in state) = 0.18689 n_iter = 11 J = 37.068 max(relative change in state) = 0.10050 n_iter = 12 J = 36.975 max(relative change in state) = 0.30293E-01 n_iter = 13 J = 36.732 max(relative change in state) = 0.15219 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 14. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 562 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 563 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 563 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 38.334 max(relative change in state) = - n_iter = 2 J = 32.903 max(relative change in state) = 0.91717 n_iter = 3 J = 31.226 max(relative change in state) = 1.0033 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 563 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 564 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 564 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 293.59 max(relative change in state) = - n_iter = 2 J = 661.76 max(relative change in state) = 16.599 n_iter = 3 J = 249.85 max(relative change in state) = 13.328 n_iter = 4 J = 251.31 max(relative change in state) = 1.1879 n_iter = 5 J = 249.69 max(relative change in state) = 0.92807 n_iter = 6 J = 249.64 max(relative change in state) = 0.43216E-01 n_iter = 7 J = 249.39 max(relative change in state) = 0.25746 n_iter = 8 J = 249.33 max(relative change in state) = 0.16303 n_iter = 9 J = 249.32 max(relative change in state) = 0.27948E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 564 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 565 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 565 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 137.17 max(relative change in state) = - n_iter = 2 J = 133.42 max(relative change in state) = 0.15558 n_iter = 3 J = 123.47 max(relative change in state) = 0.64829 n_iter = 4 J = 115.22 max(relative change in state) = 2.6941 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 565 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 566 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 566 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 153.41 max(relative change in state) = - n_iter = 2 J = 118.31 max(relative change in state) = 2.5345 n_iter = 3 J = 110.11 max(relative change in state) = 1.1202 n_iter = 4 J = 131.22 max(relative change in state) = 3.4129 n_iter = 5 J = 109.38 max(relative change in state) = 3.0183 n_iter = 6 J = 109.04 max(relative change in state) = 0.69387E-01 n_iter = 7 J = 108.82 max(relative change in state) = 0.68371 n_iter = 8 J = 107.77 max(relative change in state) = 0.32493 n_iter = 9 J = 107.67 max(relative change in state) = 0.37340E-01 n_iter = 10 J = 107.53 max(relative change in state) = 0.29637 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 566 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 567 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 567 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 96.062 max(relative change in state) = - n_iter = 2 J = 82.705 max(relative change in state) = 1.4058 n_iter = 3 J = 79.090 max(relative change in state) = 1.4245 n_iter = 4 J = 89.516 max(relative change in state) = 2.4197 n_iter = 5 J = 79.018 max(relative change in state) = 2.2181 n_iter = 6 J = 79.010 max(relative change in state) = 0.13864E-01 n_iter = 7 J = 78.946 max(relative change in state) = 0.31336 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 567 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 568 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 568 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 9.6282 max(relative change in state) = - n_iter = 2 J = 8.6696 max(relative change in state) = 0.80699 n_iter = 3 J = 8.6242 max(relative change in state) = 0.11552 n_iter = 4 J = 8.8327 max(relative change in state) = 0.33048 n_iter = 5 J = 8.6228 max(relative change in state) = 0.30291 n_iter = 6 J = 8.6227 max(relative change in state) = 0.88746E-03 n_iter = 7 J = 8.6218 max(relative change in state) = 0.13954E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 568 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 569 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 569 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 37.376 max(relative change in state) = - n_iter = 2 J = 33.235 max(relative change in state) = 0.71848 n_iter = 3 J = 31.936 max(relative change in state) = 0.70672 n_iter = 4 J = 35.614 max(relative change in state) = 1.3375 n_iter = 5 J = 31.850 max(relative change in state) = 1.1927 n_iter = 6 J = 31.816 max(relative change in state) = 0.16890E-01 n_iter = 7 J = 31.788 max(relative change in state) = 0.27586 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 569 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 570 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 570 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.701 max(relative change in state) = - n_iter = 2 J = 38.118 max(relative change in state) = 0.47855 n_iter = 3 J = 35.128 max(relative change in state) = 0.43513 n_iter = 4 J = 33.322 max(relative change in state) = 0.61854 n_iter = 5 J = 35.128 max(relative change in state) = 0.32025 n_iter = 6 J = 33.199 max(relative change in state) = 0.27685 n_iter = 7 J = 33.159 max(relative change in state) = 0.17567E-01 n_iter = 8 J = 32.960 max(relative change in state) = 0.19587 n_iter = 9 J = 33.007 max(relative change in state) = 0.56281E-01 n_iter = 10 J = 32.948 max(relative change in state) = 0.41062E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 570 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 571 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 571 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.253 max(relative change in state) = - n_iter = 2 J = 30.863 max(relative change in state) = 0.98005 n_iter = 3 J = 30.563 max(relative change in state) = 0.43355 n_iter = 4 J = 31.073 max(relative change in state) = 0.72224 n_iter = 5 J = 30.484 max(relative change in state) = 0.48835 n_iter = 6 J = 30.481 max(relative change in state) = 0.11071E-01 n_iter = 7 J = 30.471 max(relative change in state) = 0.91038E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 571 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 572 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 572 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 53.793 max(relative change in state) = - n_iter = 2 J = 48.402 max(relative change in state) = 0.72376 n_iter = 3 J = 46.370 max(relative change in state) = 0.92948 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 572 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 573 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 573 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 573 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 574 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 574 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 574 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 575 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 575 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 116.34 max(relative change in state) = - n_iter = 2 J = 105.82 max(relative change in state) = 1.5656 n_iter = 3 J = 104.14 max(relative change in state) = 0.55740 n_iter = 4 J = 107.77 max(relative change in state) = 1.5727 n_iter = 5 J = 103.96 max(relative change in state) = 1.3579 n_iter = 6 J = 103.91 max(relative change in state) = 0.36556E-01 n_iter = 7 J = 103.70 max(relative change in state) = 0.34485 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 575 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 576 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 576 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 12.482 max(relative change in state) = - n_iter = 2 J = 10.730 max(relative change in state) = 0.49967 n_iter = 3 J = 10.289 max(relative change in state) = 0.36648 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 576 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 577 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 577 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 96.018 max(relative change in state) = - n_iter = 2 J = 80.327 max(relative change in state) = 1.1648 n_iter = 3 J = 68.212 max(relative change in state) = 1.9090 n_iter = 4 J = 70.891 max(relative change in state) = 1.4292 n_iter = 5 J = 67.993 max(relative change in state) = 1.1594 n_iter = 6 J = 67.939 max(relative change in state) = 0.31082E-01 n_iter = 7 J = 67.598 max(relative change in state) = 0.55807 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 577 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 578 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 578 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 257.81 max(relative change in state) = - n_iter = 2 J = 966.72 max(relative change in state) = 29.429 n_iter = 3 J = 238.79 max(relative change in state) = 24.897 n_iter = 4 J = 269.05 max(relative change in state) = 3.6565 n_iter = 5 J = 238.69 max(relative change in state) = 3.4509 n_iter = 6 J = 238.67 max(relative change in state) = 0.16637E-01 n_iter = 7 J = 238.63 max(relative change in state) = 0.33451 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 578 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 579 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 579 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 24.229 max(relative change in state) = - n_iter = 2 J = 20.224 max(relative change in state) = 0.31906 n_iter = 3 J = 13.476 max(relative change in state) = 1.4805 n_iter = 4 J = 17.713 max(relative change in state) = 1.6871 n_iter = 5 J = 13.038 max(relative change in state) = 1.4023 n_iter = 6 J = 12.956 max(relative change in state) = 0.68207E-01 n_iter = 7 J = 12.825 max(relative change in state) = 0.27404 n_iter = 8 J = 12.684 max(relative change in state) = 0.17626 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 579 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 580 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 580 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 73.820 max(relative change in state) = - n_iter = 2 J = 68.367 max(relative change in state) = 0.41641 n_iter = 3 J = 63.143 max(relative change in state) = 1.1334 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 580 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 581 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 581 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.876 max(relative change in state) = - n_iter = 2 J = 36.953 max(relative change in state) = 0.80612 n_iter = 3 J = 35.188 max(relative change in state) = 1.0527 n_iter = 4 J = 36.692 max(relative change in state) = 0.93718 n_iter = 5 J = 35.157 max(relative change in state) = 0.83359 n_iter = 6 J = 35.148 max(relative change in state) = 0.16327E-01 n_iter = 7 J = 35.130 max(relative change in state) = 0.20691 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 581 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 582 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 582 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 109.93 max(relative change in state) = - n_iter = 2 J = 100.26 max(relative change in state) = 0.61048 n_iter = 3 J = 92.502 max(relative change in state) = 1.0493 n_iter = 4 J = 90.869 max(relative change in state) = 0.87809 n_iter = 5 J = 91.068 max(relative change in state) = 0.65518 n_iter = 6 J = 90.151 max(relative change in state) = 0.29203 n_iter = 7 J = 90.092 max(relative change in state) = 0.18666E-01 n_iter = 8 J = 89.717 max(relative change in state) = 0.27055 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 582 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 583 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 583 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 63.758 max(relative change in state) = - n_iter = 2 J = 54.745 max(relative change in state) = 1.2298 n_iter = 3 J = 52.233 max(relative change in state) = 0.68158 n_iter = 4 J = 53.886 max(relative change in state) = 1.0487 n_iter = 5 J = 52.085 max(relative change in state) = 0.83973 n_iter = 6 J = 52.046 max(relative change in state) = 0.29526E-01 n_iter = 7 J = 51.861 max(relative change in state) = 0.36750 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 583 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 584 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 584 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 39.384 max(relative change in state) = - n_iter = 2 J = 33.096 max(relative change in state) = 0.62596 n_iter = 3 J = 28.159 max(relative change in state) = 1.0380 n_iter = 4 J = 28.764 max(relative change in state) = 0.69933 n_iter = 5 J = 27.961 max(relative change in state) = 0.51725 n_iter = 6 J = 27.906 max(relative change in state) = 0.62493E-01 n_iter = 7 J = 27.881 max(relative change in state) = 0.21165 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 584 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 585 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 585 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 135.64 max(relative change in state) = - n_iter = 2 J = 120.17 max(relative change in state) = 2.4779 n_iter = 3 J = 118.48 max(relative change in state) = 1.2796 n_iter = 4 J = 121.65 max(relative change in state) = 1.4777 n_iter = 5 J = 118.32 max(relative change in state) = 1.2111 n_iter = 6 J = 118.29 max(relative change in state) = 0.22141E-01 n_iter = 7 J = 118.21 max(relative change in state) = 0.31891 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 585 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 586 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 586 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 68.065 max(relative change in state) = - n_iter = 2 J = 58.902 max(relative change in state) = 0.32040 n_iter = 3 J = 55.747 max(relative change in state) = 0.18804 n_iter = 4 J = 51.600 max(relative change in state) = 0.43170 n_iter = 5 J = 50.959 max(relative change in state) = 1.0850 n_iter = 6 J = 46.787 max(relative change in state) = 0.30223 n_iter = 7 J = 46.202 max(relative change in state) = 0.10246 n_iter = 8 J = 45.704 max(relative change in state) = 0.15702 n_iter = 9 J = 44.937 max(relative change in state) = 0.47682 n_iter = 10 J = 44.370 max(relative change in state) = 0.36701 n_iter = 11 J = 44.162 max(relative change in state) = 0.19589 n_iter = 12 J = 44.041 max(relative change in state) = 0.38271E-01 n_iter = 13 J = 43.888 max(relative change in state) = 0.10657 n_iter = 14 J = 43.796 max(relative change in state) = 0.13800 n_iter = 15 J = 43.742 max(relative change in state) = 0.27105E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 15. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 586 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 587 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 587 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 587 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 588 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 588 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 52.985 max(relative change in state) = - n_iter = 2 J = 45.841 max(relative change in state) = 0.89936 n_iter = 3 J = 43.361 max(relative change in state) = 1.0279 n_iter = 4 J = 48.764 max(relative change in state) = 1.8494 n_iter = 5 J = 43.276 max(relative change in state) = 1.6405 n_iter = 6 J = 43.260 max(relative change in state) = 0.15535E-01 n_iter = 7 J = 43.232 max(relative change in state) = 0.35555 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 588 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 589 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 589 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 43.270 max(relative change in state) = - n_iter = 2 J = 36.763 max(relative change in state) = 0.58081 n_iter = 3 J = 30.630 max(relative change in state) = 1.1620 n_iter = 4 J = 30.243 max(relative change in state) = 0.35975 n_iter = 5 J = 29.948 max(relative change in state) = 0.23553 n_iter = 6 J = 29.908 max(relative change in state) = 0.60608E-01 n_iter = 7 J = 29.889 max(relative change in state) = 0.54412E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 589 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 590 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 590 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 34.690 max(relative change in state) = - n_iter = 2 J = 28.845 max(relative change in state) = 0.52655 n_iter = 3 J = 21.816 max(relative change in state) = 1.1492 n_iter = 4 J = 21.976 max(relative change in state) = 0.50903 n_iter = 5 J = 21.490 max(relative change in state) = 0.31007 n_iter = 6 J = 21.460 max(relative change in state) = 0.86894E-01 n_iter = 7 J = 21.442 max(relative change in state) = 0.71619E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 590 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 591 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 591 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 11.839 max(relative change in state) = - n_iter = 2 J = 9.8362 max(relative change in state) = 0.32512 n_iter = 3 J = 7.7348 max(relative change in state) = 0.80533 n_iter = 4 J = 7.8647 max(relative change in state) = 0.18025 n_iter = 5 J = 7.7261 max(relative change in state) = 0.15201 n_iter = 6 J = 7.7233 max(relative change in state) = 0.73279E-02 n_iter = 7 J = 7.7103 max(relative change in state) = 0.84853E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 591 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 592 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 592 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 77.426 max(relative change in state) = - n_iter = 2 J = 65.336 max(relative change in state) = 1.1254 n_iter = 3 J = 59.469 max(relative change in state) = 1.6117 n_iter = 4 J = 67.824 max(relative change in state) = 2.6419 n_iter = 5 J = 57.998 max(relative change in state) = 1.7284 n_iter = 6 J = 57.956 max(relative change in state) = 0.54765E-01 n_iter = 7 J = 57.852 max(relative change in state) = 0.25566 n_iter = 8 J = 57.805 max(relative change in state) = 0.79588E-01 n_iter = 9 J = 57.791 max(relative change in state) = 0.62804E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 592 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 593 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 593 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 35.261 max(relative change in state) = - n_iter = 2 J = 29.393 max(relative change in state) = 0.71446 n_iter = 3 J = 24.465 max(relative change in state) = 1.4072 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 593 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 594 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 594 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 129.24 max(relative change in state) = - n_iter = 2 J = 112.49 max(relative change in state) = 2.4976 n_iter = 3 J = 110.24 max(relative change in state) = 1.4138 n_iter = 4 J = 110.30 max(relative change in state) = 0.17032 n_iter = 5 J = 110.22 max(relative change in state) = 0.76922E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 594 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 595 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 595 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 160.70 max(relative change in state) = - n_iter = 2 J = 122.98 max(relative change in state) = 3.2830 n_iter = 3 J = 119.44 max(relative change in state) = 1.2894 n_iter = 4 J = 131.09 max(relative change in state) = 2.4452 n_iter = 5 J = 119.17 max(relative change in state) = 2.0754 n_iter = 6 J = 119.15 max(relative change in state) = 0.16645E-01 n_iter = 7 J = 119.12 max(relative change in state) = 0.15797 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 595 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 596 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 596 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 92.563 max(relative change in state) = - n_iter = 2 J = 78.630 max(relative change in state) = 1.3636 n_iter = 3 J = 71.956 max(relative change in state) = 1.2621 n_iter = 4 J = 78.720 max(relative change in state) = 1.7019 n_iter = 5 J = 71.869 max(relative change in state) = 1.5359 n_iter = 6 J = 71.845 max(relative change in state) = 0.16024E-01 n_iter = 7 J = 71.730 max(relative change in state) = 0.35033 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 596 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 597 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 597 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 27.021 max(relative change in state) = - n_iter = 2 J = 22.512 max(relative change in state) = 0.43631 n_iter = 3 J = 18.224 max(relative change in state) = 0.79261 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 597 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 598 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 598 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 88.366 max(relative change in state) = - n_iter = 2 J = 79.389 max(relative change in state) = 1.7899 n_iter = 3 J = 78.344 max(relative change in state) = 0.42923 n_iter = 4 J = 80.165 max(relative change in state) = 0.71890 n_iter = 5 J = 78.304 max(relative change in state) = 0.64722 n_iter = 6 J = 78.287 max(relative change in state) = 0.10500E-01 n_iter = 7 J = 78.264 max(relative change in state) = 0.25031 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 598 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 599 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 599 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 582.35 max(relative change in state) = - n_iter = 2 J = 4795.5 max(relative change in state) = 49.371 n_iter = 3 J = 537.02 max(relative change in state) = 45.201 n_iter = 4 J = 539.05 max(relative change in state) = 1.3684 n_iter = 5 J = 536.18 max(relative change in state) = 0.94241 n_iter = 6 J = 536.00 max(relative change in state) = 0.12761 n_iter = 7 J = 535.63 max(relative change in state) = 0.37226 n_iter = 8 J = 535.36 max(relative change in state) = 0.16316 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 599 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 600 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 600 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 32.942 max(relative change in state) = - n_iter = 2 J = 27.958 max(relative change in state) = 0.63749 n_iter = 3 J = 25.246 max(relative change in state) = 0.77222 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 600 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 601 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 601 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 25.986 max(relative change in state) = - n_iter = 2 J = 22.099 max(relative change in state) = 0.56230 n_iter = 3 J = 20.131 max(relative change in state) = 0.71574 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 601 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 602 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 602 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 336.81 max(relative change in state) = - n_iter = 2 J = 758.10 max(relative change in state) = 16.782 n_iter = 3 J = 303.48 max(relative change in state) = 12.472 n_iter = 4 J = 322.13 max(relative change in state) = 3.2269 n_iter = 5 J = 302.67 max(relative change in state) = 2.7227 n_iter = 6 J = 302.50 max(relative change in state) = 0.47331E-01 n_iter = 7 J = 301.96 max(relative change in state) = 0.30713 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 602 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 603 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 603 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 93.957 max(relative change in state) = - n_iter = 2 J = 82.842 max(relative change in state) = 0.76456 n_iter = 3 J = 76.774 max(relative change in state) = 1.4468 n_iter = 4 J = 83.378 max(relative change in state) = 1.8324 n_iter = 5 J = 76.370 max(relative change in state) = 1.2823 n_iter = 6 J = 75.908 max(relative change in state) = 0.24650 n_iter = 7 J = 75.543 max(relative change in state) = 0.26870 n_iter = 8 J = 75.205 max(relative change in state) = 0.17918 n_iter = 9 J = 75.119 max(relative change in state) = 0.62055 n_iter = 10 J = 74.643 max(relative change in state) = 0.24092 n_iter = 11 J = 74.554 max(relative change in state) = 0.90461E-01 n_iter = 12 J = 74.477 max(relative change in state) = 0.93253E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 12. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 603 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 604 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 604 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 146.99 max(relative change in state) = - n_iter = 2 J = 135.27 max(relative change in state) = 0.68500 n_iter = 3 J = 122.49 max(relative change in state) = 3.9716 n_iter = 4 J = 118.22 max(relative change in state) = 0.63120 n_iter = 5 J = 120.84 max(relative change in state) = 0.56027 n_iter = 6 J = 117.96 max(relative change in state) = 0.54977 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 604 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 605 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 605 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 92.107 max(relative change in state) = - n_iter = 2 J = 87.179 max(relative change in state) = 0.23871 n_iter = 3 J = 83.173 max(relative change in state) = 0.14941 n_iter = 4 J = 74.952 max(relative change in state) = 0.60673 n_iter = 5 J = 71.532 max(relative change in state) = 0.61803 n_iter = 6 J = 72.244 max(relative change in state) = 0.32003 n_iter = 7 J = 72.229 max(relative change in state) = 0.12769 n_iter = 8 J = 71.855 max(relative change in state) = 0.26215 n_iter = 9 J = 71.345 max(relative change in state) = 0.24511 n_iter = 10 J = 70.955 max(relative change in state) = 0.48604 n_iter = 11 J = 69.703 max(relative change in state) = 0.25219 n_iter = 12 J = 68.848 max(relative change in state) = 0.12435 n_iter = 13 J = 68.352 max(relative change in state) = 0.92476E-01 n_iter = 14 J = 68.051 max(relative change in state) = 0.14122 n_iter = 15 J = 67.911 max(relative change in state) = 0.81720E-01 n_iter = 16 J = 67.841 max(relative change in state) = 0.14523 n_iter = 17 J = 67.730 max(relative change in state) = 0.61090E-01 n_iter = 18 J = 67.666 max(relative change in state) = 0.33953E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 18. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 605 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 606 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 606 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 44.911 max(relative change in state) = - n_iter = 2 J = 37.988 max(relative change in state) = 0.24810 n_iter = 3 J = 31.996 max(relative change in state) = 0.47923 n_iter = 4 J = 30.057 max(relative change in state) = 0.22890 n_iter = 5 J = 27.793 max(relative change in state) = 0.31595 n_iter = 6 J = 26.410 max(relative change in state) = 0.29264 n_iter = 7 J = 26.153 max(relative change in state) = 0.17266 n_iter = 8 J = 25.933 max(relative change in state) = 0.37900E-01 n_iter = 9 J = 25.714 max(relative change in state) = 0.57743E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 606 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 607 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 607 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 64.610 max(relative change in state) = - n_iter = 2 J = 54.093 max(relative change in state) = 0.85340 n_iter = 3 J = 45.362 max(relative change in state) = 1.9169 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 607 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 608 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 608 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 216.44 max(relative change in state) = - n_iter = 2 J = 519.73 max(relative change in state) = 10.862 n_iter = 3 J = 195.79 max(relative change in state) = 8.3588 n_iter = 4 J = 237.65 max(relative change in state) = 4.6621 n_iter = 5 J = 195.57 max(relative change in state) = 4.3093 n_iter = 6 J = 195.56 max(relative change in state) = 0.15644E-01 n_iter = 7 J = 195.44 max(relative change in state) = 0.12421 n_iter = 8 J = 195.53 max(relative change in state) = 0.39206 n_iter = 9 J = 195.40 max(relative change in state) = 0.26365 n_iter = 10 J = 195.40 max(relative change in state) = 0.17152E-01 n_iter = 11 J = 195.39 max(relative change in state) = 0.23976E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 11. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 608 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 609 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 609 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.071 max(relative change in state) = - n_iter = 2 J = 27.782 max(relative change in state) = 0.74374 n_iter = 3 J = 23.946 max(relative change in state) = 1.0960 n_iter = 4 J = 24.968 max(relative change in state) = 0.66269 n_iter = 5 J = 23.921 max(relative change in state) = 0.58333 n_iter = 6 J = 23.912 max(relative change in state) = 0.79334E-02 n_iter = 7 J = 23.866 max(relative change in state) = 0.18034 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 609 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 610 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 610 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 649.36 max(relative change in state) = - n_iter = 2 J = 2132.6 max(relative change in state) = 41.940 n_iter = 3 J = 543.05 max(relative change in state) = 32.356 n_iter = 4 J = 542.63 max(relative change in state) = 0.67978 n_iter = 5 J = 542.24 max(relative change in state) = 0.53925 n_iter = 6 J = 542.17 max(relative change in state) = 0.45770E-01 n_iter = 7 J = 542.16 max(relative change in state) = 0.18165E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 610 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 611 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 611 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 120.82 max(relative change in state) = - n_iter = 2 J = 110.94 max(relative change in state) = 0.29463 n_iter = 3 J = 108.45 max(relative change in state) = 0.14637 n_iter = 4 J = 104.49 max(relative change in state) = 0.39714 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 611 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 612 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 612 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 42.797 max(relative change in state) = - n_iter = 2 J = 38.369 max(relative change in state) = 0.98606 n_iter = 3 J = 37.971 max(relative change in state) = 0.29313 n_iter = 4 J = 39.440 max(relative change in state) = 0.80058 n_iter = 5 J = 37.963 max(relative change in state) = 0.74766 n_iter = 6 J = 37.960 max(relative change in state) = 0.40481E-02 n_iter = 7 J = 37.953 max(relative change in state) = 0.80138E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 612 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 613 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 613 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 284.45 max(relative change in state) = - n_iter = 2 J = 530.59 max(relative change in state) = 13.608 n_iter = 3 J = 235.43 max(relative change in state) = 9.5232 n_iter = 4 J = 235.07 max(relative change in state) = 0.63211 n_iter = 5 J = 234.09 max(relative change in state) = 0.38864 n_iter = 6 J = 233.93 max(relative change in state) = 0.18221 n_iter = 7 J = 233.65 max(relative change in state) = 0.22975 n_iter = 8 J = 233.35 max(relative change in state) = 0.15063 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 9. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 613 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 614 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 614 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 192.87 max(relative change in state) = - n_iter = 2 J = 307.39 max(relative change in state) = 9.7485 n_iter = 3 J = 172.53 max(relative change in state) = 7.2709 n_iter = 4 J = 177.84 max(relative change in state) = 1.7779 n_iter = 5 J = 172.51 max(relative change in state) = 1.6669 n_iter = 6 J = 172.51 max(relative change in state) = 0.48327E-02 n_iter = 7 J = 172.47 max(relative change in state) = 0.94597E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 614 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 615 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 615 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 159.55 max(relative change in state) = - n_iter = 2 J = 128.83 max(relative change in state) = 3.6300 n_iter = 3 J = 125.09 max(relative change in state) = 0.76592 n_iter = 4 J = 133.62 max(relative change in state) = 2.1616 n_iter = 5 J = 124.67 max(relative change in state) = 1.7285 n_iter = 6 J = 124.65 max(relative change in state) = 0.27408E-01 n_iter = 7 J = 124.55 max(relative change in state) = 0.29012 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 615 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 616 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 616 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 32.871 max(relative change in state) = - n_iter = 2 J = 28.150 max(relative change in state) = 0.81213 n_iter = 3 J = 26.743 max(relative change in state) = 0.67420 n_iter = 4 J = 30.778 max(relative change in state) = 1.5403 n_iter = 5 J = 26.674 max(relative change in state) = 1.3365 n_iter = 6 J = 26.670 max(relative change in state) = 0.67520E-02 n_iter = 7 J = 26.640 max(relative change in state) = 0.11908 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 616 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 617 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 617 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.731 max(relative change in state) = - n_iter = 2 J = 28.270 max(relative change in state) = 0.49669 n_iter = 3 J = 23.180 max(relative change in state) = 1.2220 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 617 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 618 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 618 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.289 max(relative change in state) = - n_iter = 2 J = 28.541 max(relative change in state) = 0.66707 n_iter = 3 J = 26.816 max(relative change in state) = 0.61910 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 618 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 619 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 619 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 619 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 620 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 620 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 165.98 max(relative change in state) = - n_iter = 2 J = 145.34 max(relative change in state) = 4.6740 n_iter = 3 J = 134.56 max(relative change in state) = 1.9798 n_iter = 4 J = 136.45 max(relative change in state) = 0.95102 n_iter = 5 J = 134.48 max(relative change in state) = 0.81234 n_iter = 6 J = 134.46 max(relative change in state) = 0.13793E-01 n_iter = 7 J = 134.32 max(relative change in state) = 0.25768 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 8. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 620 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 621 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 621 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 14.539 max(relative change in state) = - n_iter = 2 J = 12.143 max(relative change in state) = 0.37677 n_iter = 3 J = 9.7906 max(relative change in state) = 0.87534 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 621 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 622 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 622 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 15.587 max(relative change in state) = - n_iter = 2 J = 12.825 max(relative change in state) = 0.38623 n_iter = 3 J = 8.8762 max(relative change in state) = 1.0977 n_iter = 4 J = 9.2798 max(relative change in state) = 0.54595 n_iter = 5 J = 8.8456 max(relative change in state) = 0.43876 n_iter = 6 J = 8.8371 max(relative change in state) = 0.10974E-01 n_iter = 7 J = 8.7864 max(relative change in state) = 0.20218 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 622 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. ERROR (from ropp_qc_genqc): Observation profile does not reach below minimum required height: 2.00000E+04 m. INFO (from ropp_1dvar_refrac): Reading observation data for profile 623 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 623 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 70.016 max(relative change in state) = - n_iter = 2 J = 62.036 max(relative change in state) = 1.4770 n_iter = 3 J = 61.268 max(relative change in state) = 0.76864 n_iter = 4 J = 65.566 max(relative change in state) = 1.4518 n_iter = 5 J = 61.244 max(relative change in state) = 1.3372 n_iter = 6 J = 61.243 max(relative change in state) = 0.55498E-02 n_iter = 7 J = 61.235 max(relative change in state) = 0.37618E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 623 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 624 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 624 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 32.262 max(relative change in state) = - n_iter = 2 J = 28.507 max(relative change in state) = 0.79204 n_iter = 3 J = 27.999 max(relative change in state) = 0.46375 n_iter = 4 J = 29.854 max(relative change in state) = 1.0141 n_iter = 5 J = 27.922 max(relative change in state) = 0.85126 n_iter = 6 J = 27.910 max(relative change in state) = 0.24581E-01 n_iter = 7 J = 27.877 max(relative change in state) = 0.19172 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 624 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 625 from the file ROPP_testing/ropp_test_tmp/IT-FM-OP.nc. INFO (from ropp_1dvar_refrac): Reading background data for profile 625 from the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 34.163 max(relative change in state) = - n_iter = 2 J = 28.969 max(relative change in state) = 0.57279 n_iter = 3 J = 25.902 max(relative change in state) = 0.63382 n_iter = 4 J = 25.946 max(relative change in state) = 0.42319 n_iter = 5 J = 25.612 max(relative change in state) = 0.28102 n_iter = 6 J = 25.596 max(relative change in state) = 0.73166E-01 n_iter = 7 J = 25.585 max(relative change in state) = 0.54197E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 7. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 625 to the file ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc. IT_1DVAR_OP_RUN: Warning: (REF) Issue with at least one profile: (REF) (may be acceptable, but check to be sure) Running remote command: . ./.ropp_test gfortran_linux; ROPP_testing/ropp_1dvar/tools/ropp_1dvar_refrac_gfortran_linux -y ROPP_testing/ropp_test_tmp/IT-FM-OP.nc -b ROPP_testing/ropp_test_tmp/IT-1DVAR-OP_b.nc --bg-corr ROPP_testing/ropp_1dvar/errors/ropp_bg_ecmwf_error_corr_L91.nc -o ROPP_testing/ropp_test_tmp/IT-1DVAR-OP.2.nc Found max difference [K] in BA temperature scenarios : 6.1856 Found max difference [g/kg] in BA specific humidity scenarios: 3.8059 Found max difference [hPa] in BA pressure scenarios : 11.5577 Found max difference BA cost function reduction : 65.4211 Found min difference BA cost function reduction : 0.0000 Found max difference [K] in REF temperature scenarios : 11.3577 Found max difference [g/kg] in REF specific humidity scenarios: 1.6187 Found max difference [hPa] in REF pressure scenarios : 9.1255 Found max difference REF cost function reduction : 89.8622 Found min difference REF cost function reduction : 0.0000 -------------------------------------------------------------------- -------------------------------------------------------------------- Running processing time average -------------------------------------------------------------------- -------------------------------------------------------------------- Time call 0, processing time found: 150.24000 Time call 1, processing time found: 151.40000 Time call 2, processing time found: 151.83000 Time call 3, processing time found: 150.83000 Time call 4, processing time found: 154.12000 Average processing time [s]: 151.684 End of test: Mon Sep 28 17:20:57 2020, test done by: Ian Culverwell Generating log file: ~/ROPP_testing/ropp_test/html/versions/10.0/logs/IT-1DVAR-OP_gfortran_linux.html