    0 KSP Residual norm 25.023 
    1 KSP Residual norm 7.27811 
    2 KSP Residual norm 3.42068 
    3 KSP Residual norm 1.54628 
    4 KSP Residual norm 0.916127 
    5 KSP Residual norm 0.179909 
    6 KSP Residual norm 0.0277273 
    7 KSP Residual norm 0.00527711 
    8 KSP Residual norm 0.00255316 
    9 KSP Residual norm 0.000215588 
   10 KSP Residual norm 3.96823e-05 
   11 KSP Residual norm 1.59569e-06 
   12 KSP Residual norm 2.38291e-07 
SNES Object: 2 MPI processes
  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=12
  total number of function evaluations=2
  norm schedule ALWAYS
  SNESLineSearch Object: 2 MPI processes
    type: bt
      interpolation: cubic
      alpha=1.000000e-04
    maxstep=1.000000e+08, minlambda=1.000000e-12
    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
    maximum iterations=40
  KSP Object: 2 MPI processes
    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-08, absolute=1e-50, divergence=10000.
    left preconditioning
    using PRECONDITIONED norm type for convergence test
  PC Object: 2 MPI processes
    type: bddc
      Use verbose output: 0
      Use user-defined CSR: 0
      Use local mat graph: 1
      Connectivity graph topological dimension: 2
      Use vertices: 1 (vertex size 1)
      Use edges: 1
      Use faces: 0
      Use true near null space: 0
      Use QR for single constraints on cc: 0
      Use change of basis on local edge nodes: 0
      Use change of basis on local face nodes: 0
      User defined change of basis matrix: 0
      Has change of basis matrix: 0
      Eliminate dirichlet boundary dofs: 0
      Switch on static condensation ops around the interface preconditioner: 0
      Use exact dirichlet trick: 0
      Interface extension: DIRICHLET
      Multilevel max levels: 0
      Multilevel coarsening ratio: 8
      Use estimated eigs for coarse problem: 0
      Use deluxe scaling: 0
      Use deluxe zerorows: 0
      Use deluxe singlemat: 0
      Rebuild interface graph for Schur principal minors: 0
      Number of dofs' layers for the computation of principal minors: -1
      Use user CSR graph to compute successive layers: 0
      Adaptive constraint selection threshold (active 0, userdefined 0): 0.
      Min constraints / connected component: 0
      Max constraints / connected component: 0
      Invert exact Schur complement for adaptive selection: 0
      Symmetric computation of primal basis functions: 0
      Num. Procs. to map coarse adjacency list: 0
      Coarse eqs per proc (significant at the coarsest level): 1
      Detect disconnected: 0 (filter 0)
      Benign subspace trick: 0 (change explicit 0)
      Benign subspace trick is active: 0
      Algebraic computation of no-net-flux: 0
    ********************************** STATISTICS AT LEVEL 0 **********************************
      Global dofs sizes: all 291 interface 39 coarse 5
      Coarsening ratios: all/coarse 58 interface/coarse 7
      Active processes : 2
      Total subdomains : 2
      Dofs type        :	MIN	MAX	MEAN
      Interior  dofs   :	108	144	126
      Interface dofs   :	39	39	39
      Primal    dofs   :	5	5	5
      Local     dofs   :	147	183	165
      Local     subs   :	1	1
    --- Interior solver (rank 0)
      KSP Object: (pc_bddc_dirichlet_) 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: (pc_bddc_dirichlet_) 1 MPI processes
        type: svd
          All singular values smaller than 1e-12 treated as zero
          Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
        linear system matrix = precond matrix:
        Mat Object: (pc_bddc_dirichlet_) 1 MPI processes
          type: seqaij
          rows=144, cols=144
          total: nonzeros=3890, allocated nonzeros=3890
          total number of mallocs used during MatSetValues calls=0
            using I-node routines: found 72 nodes, limit used is 5
    --- Correction solver (rank 0)
      KSP Object: (pc_bddc_neumann_) 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: (pc_bddc_neumann_) 1 MPI processes
        type: svd
          All singular values smaller than 1e-12 treated as zero
          Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
        linear system matrix = precond matrix:
        Mat Object: (pc_bddc_neumann_) 1 MPI processes
          type: seqaij
          rows=181, cols=181
          total: nonzeros=5545, allocated nonzeros=5545
          total number of mallocs used during MatSetValues calls=0
            using I-node routines: found 87 nodes, limit used is 5
    --- Coarse solver
      KSP Object: (pc_bddc_coarse_) 2 MPI processes
        type: preonly
        maximum iterations=1, initial guess is zero
        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
        left preconditioning
        using NONE norm type for convergence test
      PC Object: (pc_bddc_coarse_) 2 MPI processes
        type: redundant
          First (color=0) of 2 PCs follows
        linear system matrix = precond matrix:
        Mat Object: (pc_bddc_coarse_) 2 MPI processes
          type: mpiaij
          rows=5, cols=5
          total: nonzeros=25, allocated nonzeros=25
          total number of mallocs used during MatSetValues calls=0
            using I-node (on process 0) routines: found 1 nodes, limit used is 5
              KSP Object:     (pc_bddc_coarse_redundant_)     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:     (pc_bddc_coarse_redundant_)     1 MPI processes
                type: svd
                  All singular values smaller than 1e-12 treated as zero
                  Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
                linear system matrix = precond matrix:
                Mat Object:     1 MPI processes
                  type: seqaij
                  rows=5, cols=5
                  total: nonzeros=25, allocated nonzeros=25
                  total number of mallocs used during MatSetValues calls=0
                    using I-node routines: found 1 nodes, limit used is 5
    linear system matrix = precond matrix:
    Mat Object: 2 MPI processes
      type: is
      rows=291, cols=291
      total: nonzeros=9754, allocated nonzeros=11128
      total number of mallocs used during MatSetValues calls=0
        has attached null space
L_2 Error: 3.24173e-08 [3.55069e-09, 3.22222e-08]
