1[0.0] 0 TS 0.000000 (dt = 0.001000) X 0.000000e+00 0.000000e+00 2[0.1] 9 TS 0.109097 (dt = 0.033863) X -1.767090e+00 -2.302659e+00 3[0.2] 12 TS 0.216172 (dt = 0.037715) X -1.539539e+00 -2.248191e+00 4[0.3] 15 TS 0.328946 (dt = 0.036756) X -1.317536e+00 -2.191679e+00 5[0.4] 17 TS 0.401712 (dt = 0.035172) X -1.101300e+00 -2.132851e+00 6[0.5] 20 TS 0.504523 (dt = 0.032431) X -8.910767e-01 -2.071367e+00 7TS Object: 1 MPI process 8 type: bdf 9 Order=2 10 initial time step=0.001 11 maximum time=0.5 12 maximum number of step rejections=10 13 maximum number of SNES failures allowed=1 14 total number of I function evaluations=114 15 total number of I Jacobian evaluations=93 16 total number of nonlinear solver iterations=93 17 total number of linear solver iterations=93 18 total number of nonlinear solve failures=0 19 total number of rejected steps=0 20 using relative error tolerance of 1e-06, using absolute error tolerance of 1e-06 21 TSAdapt Object: 1 MPI process 22 type: dsp 23 safety factor 0.9 24 extra safety factor after step rejection 1. 25 clip fastest increase 2. 26 clip fastest decrease 0.1 27 maximum allowed timestep 1e+20 28 minimum allowed timestep 1e-20 29 maximum solution absolute value to be ignored -1. 30 filter parameters kBeta=[0.6,-0.2,0.] Alpha=[0.,0.] 31 SNES Object: 1 MPI process 32 type: newtonls 33 maximum iterations=50, maximum function evaluations=10000 34 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 35 total number of linear solver iterations=6 36 total number of function evaluations=7 37 norm schedule ALWAYS 38 SNESLineSearch Object: 1 MPI process 39 type: bt 40 interpolation: cubic 41 alpha=1.000000e-04 42 maxlambda=1.000000e+00, minlambda=1.000000e-12 43 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 44 maximum iterations=40 45 KSP Object: 1 MPI process 46 type: gmres 47 restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement 48 happy breakdown tolerance=1e-30 49 maximum iterations=10000, initial guess is zero 50 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 51 left preconditioning 52 using PRECONDITIONED norm type for convergence test 53 PC Object: 1 MPI process 54 type: ilu 55 out-of-place factorization 56 0 levels of fill 57 tolerance for zero pivot 2.22045e-14 58 matrix ordering: natural 59 factor fill ratio given 1., needed 1. 60 Factored matrix: 61 Mat Object: 1 MPI process 62 type: seqaij 63 rows=2, cols=2 64 package used to perform factorization: petsc 65 total: nonzeros=4, allocated nonzeros=4 66 using I-node routines: found 1 nodes, limit used is 5 67 linear system matrix, which is also used to construct the preconditioner: 68 Mat Object: 1 MPI process 69 type: seqaij 70 rows=2, cols=2 71 total: nonzeros=4, allocated nonzeros=4 72 total number of mallocs used during MatSetValues calls=0 73 using I-node routines: found 1 nodes, limit used is 5 74steps 20, ftime 0.504523 75Vec Object: 1 MPI process 76 type: seq 77-0.881713 78-2.06852 79