Solving a linear TS problem on 1 processor Timestep 0: step size = 0.000143637, time = 0., 2-norm error = 0., max norm error = 0. Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Timestep 1: step size = 0.000504055, time = 0.000143637, 2-norm error = 0.000290581, max norm error = 0.0004186 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Timestep 2: step size = 0.000500257, time = 0.000647692, 2-norm error = 0.0010422, max norm error = 0.00150753 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Linear solve converged due to CONVERGED_RTOL iterations 1 Timestep 3: step size = 0.000526001, time = 0.00114795, 2-norm error = 0.0015392, max norm error = 0.0022348 avg. error (2 norm) = 0.000957327, avg. error (max norm) = 0.00138698 TS Object: 1 MPI process type: rosw Rosenbrock-W ra34pw2 Abscissa of A = 0.000000 0.871733 0.731580 1.000000 Abscissa of A+Gamma = 0.435867 0.871733 0.731580 1.000000 initial time step=0.000143637 maximum steps=3 maximum time=100. maximum number of step rejections=10 maximum number of SNES failures allowed=1 total number of RHS function evaluations=12 total number of RHS Jacobian evaluations=12 total number of linear solver iterations=12 total number of linear solve failures=0 total number of rejected steps=0 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 TSAdapt Object: 1 MPI process type: basic safety factor 0.9 extra safety factor after step rejection 0.5 clip fastest increase 10. clip fastest decrease 0.1 maximum allowed timestep 1e+20 minimum allowed timestep 1e-20 maximum solution absolute value to be ignored -1. SNES Object: 1 MPI process type: ksponly maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 total number of linear solver iterations=1 total number of function evaluations=1 norm schedule ALWAYS 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: Mat Object: 1 MPI process type: seqaij rows=60, cols=60 package used to perform factorization: petsc total: nonzeros=176, allocated nonzeros=176 not using I-node routines linear system matrix, followed by the matrix used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=60, cols=60 total: nonzeros=176, allocated nonzeros=176 total number of mallocs used during MatSetValues calls=0 not using I-node routines Mat Object: 1 MPI process type: seqaij rows=60, cols=60 total: nonzeros=176, allocated nonzeros=176 total number of mallocs used during MatSetValues calls=0 not using I-node routines