0 SNES Function norm 8.32828 0 KSP Residual norm 3.50583 1 KSP Residual norm 1.31016 2 KSP Residual norm 0.663357 3 KSP Residual norm 0.421918 4 KSP Residual norm 0.281414 5 KSP Residual norm 0.200973 6 KSP Residual norm 0.141735 7 KSP Residual norm 0.100678 8 KSP Residual norm 0.0684845 9 KSP Residual norm 0.0438454 10 KSP Residual norm 0.018755 11 KSP Residual norm 0.00648628 12 KSP Residual norm 0.00285724 13 KSP Residual norm 0.000877122 14 KSP Residual norm 0.000236886 15 KSP Residual norm 0.000142032 16 KSP Residual norm 7.38453e-05 17 KSP Residual norm 3.21945e-05 18 KSP Residual norm 1.90275e-05 19 KSP Residual norm 1.10811e-05 20 KSP Residual norm 5.11195e-06 21 KSP Residual norm 1.92702e-06 22 KSP Residual norm 6.72148e-07 23 KSP Residual norm 2.34386e-07 24 KSP Residual norm 9.65523e-08 25 KSP Residual norm 3.29165e-08 26 KSP Residual norm 1.27177e-08 27 KSP Residual norm 5.79747e-09 28 KSP Residual norm 2.4365e-09 Linear solve converged due to CONVERGED_RTOL iterations 28 1 SNES Function norm 7.4517e-09 L_2 Error: 0.00131794 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1 SNES Object: 1 MPI process type: newtonls maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 total number of linear solver iterations=28 total number of function evaluations=2 norm schedule ALWAYS SNESLineSearch Object: 1 MPI process type: bt interpolation: cubic alpha=1.000000e-04 maxlambda=1.000000e+00, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=40 KSP Object: 1 MPI process type: gmres restart=100, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement happy breakdown tolerance=1e-30 maximum iterations=10000, initial guess is zero tolerances: relative=1e-09, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test PC Object: 1 MPI process type: asm total subdomain blocks = 4, amount of overlap = 1 restriction/interpolation type - RESTRICT Local solver information for first block is in the following KSP and PC objects on rank 0: Use -ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (sub_) 1 MPI process type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix, which is also used to construct the preconditioner: Mat Object: (sub_) 1 MPI process type: seqaij rows=224, cols=224 total: nonzeros=1452, allocated nonzeros=1452 total number of mallocs used during MatSetValues calls=0 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=225, cols=225 total: nonzeros=1457, allocated nonzeros=1457 total number of mallocs used during MatSetValues calls=0 not using I-node routines