1 0 TAO, Function value: 0.0305641, Residual: 0.0140536 2 1 TAO, Function value: 0.0120167, Residual: 0.00811768 3 2 TAO, Function value: 0.00342817, Residual: 0.00223305 4 3 TAO, Function value: 0.00211342, Residual: 0.0014349 5 4 TAO, Function value: 0.000810666, Residual: 0.000650661 6 5 TAO, Function value: 0.000301229, Residual: 0.000317393 7 6 TAO, Function value: 7.64603e-05, Residual: 0.000132062 8 7 TAO, Function value: 1.24576e-05, Residual: 4.64611e-05 9 8 TAO, Function value: 1.00205e-06, Residual: 1.2071e-05 10 9 TAO, Function value: 2.8188e-08, Residual: 1.95297e-06 11 10 TAO, Function value: 1.12133e-10, Residual: 1.22269e-07 12 11 TAO, Function value: 1.55922e-14, Residual: 1.44107e-09 13Tao Object: 1 MPI process 14 type: bqnls 15 Tao Object: (tao_bnk_) 1 MPI process 16 type: bncg 17 CG Type: ssml_bfgs 18 Skipped Stepdirection Updates: 0 19 Scaled gradient steps: 0 20 Pure gradient steps: 0 21 Not a descent direction: 0 22 Line search fails: 0 23 Matrix has not been preallocated yet 24 TaoLineSearch Object: (tao_bnk_) 1 MPI process 25 type: more-thuente 26 maximum function evaluations=30 27 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 28 total number of function evaluations=0 29 total number of gradient evaluations=0 30 total number of function/gradient evaluations=0 31 Termination reason: CONTINUE_ITERATING 32 convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 33 Residual in Function/Gradient:=0. 34 Objective value=0. 35 total number of iterations=0, (max: 2000) 36 Solver never run 37 Rejected BFGS updates: 0 38 CG steps: 0 39 Newton steps: 0 40 BFGS steps: 10 41 Scaled gradient steps: 1 42 Gradient steps: 0 43 KSP termination reasons: 44 atol: 0 45 rtol: 0 46 ctol: 0 47 negc: 0 48 dtol: 0 49 iter: 0 50 othr: 0 51 Mat Object: (tao_bqnls_) 1 MPI process 52 type: lmvmbfgs 53 rows=1, cols=1 54 Max. storage: 5 55 Used storage: 5 56 Number of updates: 10 57 Number of rejects: 0 58 Number of resets: 0 59 J0: 60 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 61 type: diagonal 62 rows=1, cols=1 63 Vec Object: 1 MPI process 64 type: seq 65 Rescale type: diagonal 66 Rescale history: 1 67 Rescale params: alpha=1., beta=0.5, rho=1. 68 Rescale convex factor: theta=0.125 69 TaoLineSearch Object: 1 MPI process 70 type: more-thuente 71 maximum function evaluations=30 72 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 73 total number of function evaluations=0 74 total number of gradient evaluations=0 75 total number of function/gradient evaluations=1 76 Termination reason: SUCCESS 77 KSP Object: 1 MPI process 78 type: stcg 79 maximum iterations=10000, initial guess is zero 80 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 81 left preconditioning 82 using DEFAULT norm type for convergence test 83 PC Object: 1 MPI process 84 type: lmvm 85 PC has not been set up so information may be incomplete 86 Mat Object: (tao_bqnls_) 1 MPI process 87 type: lmvmbfgs 88 rows=1, cols=1 89 Max. storage: 5 90 Used storage: 5 91 Number of updates: 10 92 Number of rejects: 0 93 Number of resets: 0 94 J0: 95 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 96 type: diagonal 97 rows=1, cols=1 98 Vec Object: 1 MPI process 99 type: seq 100 Rescale type: diagonal 101 Rescale history: 1 102 Rescale params: alpha=1., beta=0.5, rho=1. 103 Rescale convex factor: theta=0.125 104 total KSP iterations: 0 105 convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 106 Residual in Function/Gradient:=1.44107e-09 107 Objective value=1.55922e-14 108 total number of iterations=11, (max: 50) 109 total number of function/gradient evaluations=12, (max: unlimited) 110 Solution converged: ||g(X)|| <= gatol 111Vec Object: 1 MPI process 112 type: seq 1139.99998 114