SNES Object: 1 MPI process type: python Python: ex1.py:MySNES My context: None maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 total number of linear solver iterations=8 total number of function evaluations=5 norm schedule ALWAYS SNESLineSearch Object: 1 MPI process type: basic maxlambda=1.000000e+00, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=1 KSP Object: 1 MPI process type: gmres restart=30, 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-05, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test PC Object: 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: 1 MPI process type: seqaij rows=16, cols=16 package used to perform factorization: petsc total: nonzeros=32, allocated nonzeros=32 not using I-node routines linear system matrix = precond matrix: Mat Object: 1 MPI process type: seqaij rows=16, cols=16 total: nonzeros=32, allocated nonzeros=80 total number of mallocs used during MatSetValues calls=0 not using I-node routines Number of SNES iterations = 4