0 TAO, Function value: 0.0636039, Residual: 0.0203472 1 TAO, Function value: 0.0276106, Residual: 0.00969064 2 TAO, Function value: 0.0157957, Residual: 0.00414311 3 TAO, Function value: 0.0113141, Residual: 0.00252519 4 TAO, Function value: 0.00732026, Residual: 0.00134497 5 TAO, Function value: 0.00483833, Residual: 0.000751179 6 TAO, Function value: 0.0031041, Residual: 0.000409567 7 TAO, Function value: 0.00196796, Residual: 0.000224068 8 TAO, Function value: 0.00121948, Residual: 0.000121638 9 TAO, Function value: 0.000737626, Residual: 6.57433e-05 10 TAO, Function value: 0.000432094, Residual: 3.52721e-05 11 TAO, Function value: 0.000242918, Residual: 1.8755e-05 12 TAO, Function value: 0.00012919, Residual: 9.84542e-06 13 TAO, Function value: 6.36203e-05, Residual: 5.07257e-06 14 TAO, Function value: 2.80489e-05, Residual: 2.53855e-06 15 TAO, Function value: 1.04769e-05, Residual: 1.21094e-06 16 TAO, Function value: 3.01605e-06, Residual: 5.3095e-07 17 TAO, Function value: 5.64894e-07, Residual: 1.98867e-07 18 TAO, Function value: 5.05242e-08, Residual: 5.48053e-08 19 TAO, Function value: 1.24426e-09, Residual: 8.34439e-09 Tao Object: 1 MPI process type: bqnls Tao Object: (tao_bnk_) 1 MPI process type: bncg CG Type: ssml_bfgs Skipped Stepdirection Updates: 0 Scaled gradient steps: 0 Pure gradient steps: 0 Not a descent direction: 0 Line search fails: 0 Matrix has not been preallocated yet TaoLineSearch Object: (tao_bnk_) 1 MPI process type: more-thuente maximum function evaluations=30 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 total number of function evaluations=0 total number of gradient evaluations=0 total number of function/gradient evaluations=0 Termination reason: CONTINUE_ITERATING convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. Residual in Function/Gradient:=0. Objective value=0. total number of iterations=0, (max: 2000) Solver never run Rejected BFGS updates: 0 CG steps: 0 Newton steps: 0 BFGS steps: 18 Scaled gradient steps: 1 Gradient steps: 0 KSP termination reasons: atol: 0 rtol: 0 ctol: 0 negc: 0 dtol: 0 iter: 0 othr: 0 Mat Object: (tao_bqnls_) 1 MPI process type: lmvmbfgs rows=1, cols=1 Max. storage: 5 Used storage: 5 Number of updates: 18 Number of rejects: 0 Number of resets: 0 J0: Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process type: diagonal rows=1, cols=1 Vec Object: 1 MPI process type: seq Rescale type: diagonal Rescale history: 1 Rescale params: alpha=1., beta=0.5, rho=1. Rescale convex factor: theta=0.125 TaoLineSearch Object: 1 MPI process type: more-thuente maximum function evaluations=30 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 total number of function evaluations=0 total number of gradient evaluations=0 total number of function/gradient evaluations=1 Termination reason: SUCCESS KSP Object: 1 MPI process type: stcg maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using DEFAULT norm type for convergence test PC Object: 1 MPI process type: lmvm PC has not been set up so information may be incomplete Mat Object: (tao_bqnls_) 1 MPI process type: lmvmbfgs rows=1, cols=1 Max. storage: 5 Used storage: 5 Number of updates: 18 Number of rejects: 0 Number of resets: 0 J0: Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process type: diagonal rows=1, cols=1 Vec Object: 1 MPI process type: seq Rescale type: diagonal Rescale history: 1 Rescale params: alpha=1., beta=0.5, rho=1. Rescale convex factor: theta=0.125 total KSP iterations: 0 convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. Residual in Function/Gradient:=8.34439e-09 Objective value=1.24426e-09 total number of iterations=19, (max: 50) total number of function/gradient evaluations=20, (max: unlimited) Solution converged: ||g(X)|| <= gatol Vec Object: 1 MPI process type: seq 99.7009