0 KSP Residual norm 2.750232322759e+14 1 KSP Residual norm 2.108983323393e+12 2 KSP Residual norm 1.585040814034e+11 3 KSP Residual norm 5.298280151015e+09 4 KSP Residual norm 1.432843214477e+08 5 KSP Residual norm 3.842575133230e+06 6 KSP Residual norm 9.100682801571e+04 7 KSP Residual norm 2.131022302450e+03 8 KSP Residual norm 2.949139503033e+01 9 KSP Residual norm 3.011474912406e-01 Linear solve converged due to CONVERGED_RTOL iterations 9 KSP Object: 1 MPI processes type: gmres GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement GMRES: happy breakdown tolerance 1e-30 maximum iterations=100, initial guess is zero tolerances: relative=1e-13, absolute=1e-50, divergence=10000 left preconditioning using PRECONDITIONED norm type for convergence test GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement GMRES: happy breakdown tolerance 1e-30 PC Object: 1 MPI processes type: asm Additive Schwarz: total subdomain blocks = 1, user-defined overlap Additive Schwarz: restriction/interpolation type - RESTRICT Local solve is same for all blocks, in the following KSP and PC objects: KSP Object: (sub_) 1 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000 left preconditioning using NONE norm type for convergence test PC Object: (sub_) 1 MPI processes type: lu LU: out-of-place factorization tolerance for zero pivot 2.22045e-14 matrix ordering: nd factor fill ratio given 0, needed 0 Factored matrix follows: Matrix Object: 1 MPI processes type: seqdense rows=3481, cols=3481 package used to perform factorization: petsc total: nonzeros=12117361, allocated nonzeros=12117361 total number of mallocs used during MatSetValues calls =0 linear system matrix = precond matrix: Matrix Object: 1 MPI processes type: seqdense rows=3481, cols=3481 total: nonzeros=12117361, allocated nonzeros=12117361 total number of mallocs used during MatSetValues calls =0 linear system matrix followed by preconditioner matrix: Matrix Object: 1 MPI processes type: shell rows=3481, cols=3481 Matrix Object: 1 MPI processes type: shell rows=3481, cols=3481