1 0 TAO, Function value: 0.0636039, Residual: 0.0203472 2 1 TAO, Function value: 0.0276106, Residual: 0.00969064 3 2 TAO, Function value: 0.0157957, Residual: 0.00414311 4 3 TAO, Function value: 0.0113141, Residual: 0.00252519 5 4 TAO, Function value: 0.00732026, Residual: 0.00134497 6 5 TAO, Function value: 0.00483833, Residual: 0.000751179 7 6 TAO, Function value: 0.0031041, Residual: 0.000409567 8 7 TAO, Function value: 0.00196796, Residual: 0.000224068 9 8 TAO, Function value: 0.00121948, Residual: 0.000121638 10 9 TAO, Function value: 0.000737626, Residual: 6.57433e-05 11 10 TAO, Function value: 0.000432094, Residual: 3.52721e-05 12 11 TAO, Function value: 0.000242918, Residual: 1.8755e-05 13 12 TAO, Function value: 0.00012919, Residual: 9.84542e-06 14 13 TAO, Function value: 6.36203e-05, Residual: 5.07257e-06 15 14 TAO, Function value: 2.80489e-05, Residual: 2.53855e-06 16 15 TAO, Function value: 1.04769e-05, Residual: 1.21094e-06 17 16 TAO, Function value: 3.01605e-06, Residual: 5.3095e-07 18 17 TAO, Function value: 5.64894e-07, Residual: 1.98867e-07 19 18 TAO, Function value: 5.05242e-08, Residual: 5.48053e-08 20 19 TAO, Function value: 1.24426e-09, Residual: 8.34439e-09 21Tao Object: 1 MPI process 22 type: bqnls 23 Tao Object: (tao_bnk_) 1 MPI process 24 type: bncg 25 CG Type: ssml_bfgs 26 Skipped Stepdirection Updates: 0 27 Scaled gradient steps: 0 28 Pure gradient steps: 0 29 Not a descent direction: 0 30 Line search fails: 0 31 Matrix has not been preallocated yet 32 TaoLineSearch Object: (tao_bnk_) 1 MPI process 33 type: more-thuente 34 maximum function evaluations=30 35 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 36 total number of function evaluations=0 37 total number of gradient evaluations=0 38 total number of function/gradient evaluations=0 39 Termination reason: CONTINUE_ITERATING 40 convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 41 Residual in Function/Gradient:=0. 42 Objective value=0. 43 total number of iterations=0, (max: 2000) 44 Solver never run 45 Rejected BFGS updates: 0 46 CG steps: 0 47 Newton steps: 0 48 BFGS steps: 18 49 Scaled gradient steps: 1 50 Gradient steps: 0 51 KSP termination reasons: 52 atol: 0 53 rtol: 0 54 ctol: 0 55 negc: 0 56 dtol: 0 57 iter: 0 58 othr: 0 59 Mat Object: (tao_bqnls_) 1 MPI process 60 type: lmvmbfgs 61 rows=1, cols=1 62 Max. storage: 5 63 Used storage: 5 64 Number of updates: 18 65 Number of rejects: 0 66 Number of resets: 0 67 J0: 68 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 69 type: diagonal 70 rows=1, cols=1 71 Vec Object: 1 MPI process 72 type: seq 73 Rescale type: diagonal 74 Rescale history: 1 75 Rescale params: alpha=1., beta=0.5, rho=1. 76 Rescale convex factor: theta=0.125 77 TaoLineSearch Object: 1 MPI process 78 type: more-thuente 79 maximum function evaluations=30 80 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 81 total number of function evaluations=0 82 total number of gradient evaluations=0 83 total number of function/gradient evaluations=1 84 Termination reason: SUCCESS 85 KSP Object: 1 MPI process 86 type: stcg 87 maximum iterations=10000, initial guess is zero 88 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 89 left preconditioning 90 using DEFAULT norm type for convergence test 91 PC Object: 1 MPI process 92 type: lmvm 93 PC has not been set up so information may be incomplete 94 Mat Object: (tao_bqnls_) 1 MPI process 95 type: lmvmbfgs 96 rows=1, cols=1 97 Max. storage: 5 98 Used storage: 5 99 Number of updates: 18 100 Number of rejects: 0 101 Number of resets: 0 102 J0: 103 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 104 type: diagonal 105 rows=1, cols=1 106 Vec Object: 1 MPI process 107 type: seq 108 Rescale type: diagonal 109 Rescale history: 1 110 Rescale params: alpha=1., beta=0.5, rho=1. 111 Rescale convex factor: theta=0.125 112 total KSP iterations: 0 113 convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 114 Residual in Function/Gradient:=8.34439e-09 115 Objective value=1.24426e-09 116 total number of iterations=19, (max: 50) 117 total number of function/gradient evaluations=20, (max: unlimited) 118 Solution converged: ||g(X)|| <= gatol 119Vec Object: 1 MPI process 120 type: seq 12199.7009 122