0 TS dt 0.5 time 0.
      0 KSP Residual norm 0.0286957
      1 KSP Residual norm 7.7175e-05
      0 KSP Residual norm 7.82175e-05
      1 KSP Residual norm 6.65319e-07
      0 KSP Residual norm 6.65276e-07
      1 KSP Residual norm 6.83646e-09
      2 KSP Residual norm 4.657e-11
1 TS dt 0.5 time 0.5
      0 KSP Residual norm 0.0274049
      1 KSP Residual norm 7.66968e-05
      0 KSP Residual norm 7.78095e-05
      1 KSP Residual norm 6.69653e-07
      0 KSP Residual norm 6.69646e-07
      1 KSP Residual norm 6.9069e-09
      2 KSP Residual norm 4.792e-11
2 TS dt 0.5 time 1.
2 TS dt -0.5 time 1.
      0 KSP Residual norm 1.34023
      1 KSP Residual norm 0.00651318
1 TS dt -0.5 time 0.5
      0 KSP Residual norm 1.21066
      1 KSP Residual norm 0.00549443
0 TS dt -0.5 time 0.5