  0 KSP Residual norm 3.374743066687e+00 
  1 KSP Residual norm 3.374738857316e+00 
  2 KSP Residual norm 3.341810668859e+00 
  3 KSP Residual norm 2.923852059546e+00 
  4 KSP Residual norm 1.848527585989e+00 
  5 KSP Residual norm 9.392489799337e-01 
  6 KSP Residual norm 4.711893644854e-01 
  7 KSP Residual norm 2.431990288111e-01 
  8 KSP Residual norm 1.383436398498e-01 
  9 KSP Residual norm 1.120817750288e-01 
 10 KSP Residual norm 8.685279767266e-02 
 11 KSP Residual norm 6.179843929892e-02 
 12 KSP Residual norm 4.457821165278e-02 
 13 KSP Residual norm 3.420021676328e-02 
 14 KSP Residual norm 2.914651341644e-02 
 15 KSP Residual norm 2.024498491549e-02 
 16 KSP Residual norm 1.376534867571e-02 
 17 KSP Residual norm 8.703833006015e-03 
 18 KSP Residual norm 5.295804709766e-03 
 19 KSP Residual norm 3.283374533377e-03 
 20 KSP Residual norm 1.991948771652e-03 
 21 KSP Residual norm 1.307202486444e-03 
 22 KSP Residual norm 1.079942005646e-03 
 23 KSP Residual norm 7.775451537519e-04 
 24 KSP Residual norm 5.227676152021e-04 
 25 KSP Residual norm 3.744286310779e-04 
 26 KSP Residual norm 3.164779700211e-04 
 27 KSP Residual norm 2.496277570434e-04 
 28 KSP Residual norm 1.919713141835e-04 
 29 KSP Residual norm 1.540019964394e-04 
 30 KSP Residual norm 1.254026413121e-04 
 31 KSP Residual norm 1.140213887828e-04 
 32 KSP Residual norm 1.103444502671e-04 
 33 KSP Residual norm 1.062854518203e-04 
 34 KSP Residual norm 9.895953658256e-05 
 35 KSP Residual norm 9.442181788165e-05 
 36 KSP Residual norm 8.847355127326e-05 
 37 KSP Residual norm 8.497477200016e-05 
 38 KSP Residual norm 7.993082399011e-05 
 39 KSP Residual norm 7.180553195140e-05 
 40 KSP Residual norm 6.843526739494e-05 
 41 KSP Residual norm 6.141898849921e-05 
 42 KSP Residual norm 5.269679659808e-05 
 43 KSP Residual norm 4.851608734789e-05 
 44 KSP Residual norm 4.293412848661e-05 
 45 KSP Residual norm 3.871250275002e-05 
 46 KSP Residual norm 3.561630177159e-05 
 47 KSP Residual norm 3.283044828019e-05 
KSP Object: 2 MPI processes
  type: fgmres
    GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
    GMRES: happy breakdown tolerance 1e-30
  maximum iterations=10000
  tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
  right preconditioning
  using nonzero initial guess
  using UNPRECONDITIONED norm type for convergence test
PC Object: 2 MPI processes
  type: fieldsplit
    FieldSplit with Schur preconditioner, factorization LOWER
    Preconditioner for the Schur complement formed from the block diagonal part of A11
    Split info:
    Split number 0 Defined by IS
    Split number 1 Defined by IS
    KSP solver for A00 block 
      KSP Object:      (fieldsplit_0_)       2 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=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:      (fieldsplit_0_)       2 MPI processes
        type: bjacobi
          block Jacobi: number of blocks = 2
          Local solve is same for all blocks, in the following KSP and PC objects:
        KSP Object:        (fieldsplit_0_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:        (fieldsplit_0_sub_)         1 MPI processes
          type: ilu
            ILU: out-of-place factorization
            0 levels of fill
            tolerance for zero pivot 2.22045e-14
            using diagonal shift to prevent zero pivot [NONZERO]
            matrix ordering: natural
            factor fill ratio given 1., needed 1.
              Factored matrix follows:
                Mat Object:                 1 MPI processes
                  type: seqaij
                  rows=1536, cols=1536
                  package used to perform factorization: petsc
                  total: nonzeros=7520, allocated nonzeros=7520
                  total number of mallocs used during MatSetValues calls =0
                    not using I-node routines
          linear system matrix = precond matrix:
          Mat Object:          (a00_)           1 MPI processes
            type: seqaij
            rows=1536, cols=1536
            total: nonzeros=7520, allocated nonzeros=7680
            total number of mallocs used during MatSetValues calls =0
              not using I-node routines
        linear system matrix = precond matrix:
        Mat Object:        (a00_)         2 MPI processes
          type: mpiaij
          rows=3072, cols=3072
          total: nonzeros=15040, allocated nonzeros=30720
          total number of mallocs used during MatSetValues calls =0
            not using I-node (on process 0) routines
    KSP solver for S = A11 - A10 inv(A00) A01 
      KSP Object:      (fieldsplit_1_)       2 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=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:      (fieldsplit_1_)       2 MPI processes
        type: bjacobi
          block Jacobi: number of blocks = 2
          Local solve is same for all blocks, in the following KSP and PC objects:
        KSP Object:        (fieldsplit_1_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:        (fieldsplit_1_sub_)         1 MPI processes
          type: ilu
            ILU: out-of-place factorization
            0 levels of fill
            tolerance for zero pivot 2.22045e-14
            using diagonal shift to prevent zero pivot [NONZERO]
            matrix ordering: natural
            factor fill ratio given 1., needed 1.
              Factored matrix follows:
                Mat Object:                 1 MPI processes
                  type: seqaij
                  rows=768, cols=768
                  package used to perform factorization: petsc
                  total: nonzeros=3776, allocated nonzeros=3776
                  total number of mallocs used during MatSetValues calls =0
                    not using I-node routines
          linear system matrix = precond matrix:
          Mat Object:           1 MPI processes
            type: seqaij
            rows=768, cols=768
            total: nonzeros=3776, allocated nonzeros=3776
            total number of mallocs used during MatSetValues calls =0
              not using I-node routines
        linear system matrix = precond matrix:
        Mat Object:         2 MPI processes
          type: mpiaij
          rows=1536, cols=1536
          total: nonzeros=7680, allocated nonzeros=7680
          total number of mallocs used during MatSetValues calls =0
            not using I-node (on process 0) routines
  linear system matrix = precond matrix:
  Mat Object:   2 MPI processes
    type: nest
    rows=4608, cols=4608
      Matrix object: 
        type=nest, rows=2, cols=2 
        MatNest structure: 
        (0,0) : prefix="a00_", type=mpiaij, rows=3072, cols=3072 
        (0,1) : prefix="a01_", type=mpiaij, rows=3072, cols=1536 
        (1,0) : prefix="a10_", type=mpiaij, rows=1536, cols=3072 
        (1,1) : prefix="a11_", type=mpiaij, rows=1536, cols=1536 
 residual u = 3.28303e-05
 residual p = 1.02764e-07
 residual [u,p] = 3.28304e-05
 discretization error u = 0.000184639
 discretization error p = 0.24901
 discretization error [u,p] = 0.24901
