    iter =   0, Function value: 1,  Residual: 2
    iter =   0, Function value: 0.770447,  Residual: 5.24792
    iter =   1, Function value: 0.526409,  Residual: 3.62426
    iter =   2, Function value: 0.357435,  Residual: 5.6789
    iter =   3, Function value: 0.213476,  Residual: 2.12473
    iter =   4, Function value: 0.15103,  Residual: 8.35263
    iter =   5, Function value: 0.0602938,  Residual: 0.498513
    iter =   6, Function value: 0.0331258,  Residual: 2.4877
    iter =   7, Function value: 0.0119116,  Residual: 1.77389
    iter =   8, Function value: 0.00292613,  Residual: 1.00799
    iter =   9, Function value: 0.000357205,  Residual: 0.409411
    iter =  10, Function value: 1.02563e-05,  Residual: 0.0746257
    iter =  11, Function value: 1.26232e-08,  Residual: 0.00275403
    iter =  12, Function value: 2.09587e-14,  Residual: 3.46652e-06
    Tao Object: 1 MPI processes
      type: nls
          Rejected matrix updates: 0
          Newton steps: 12
          BFGS steps: 0
          Scaled gradient steps: 0
          Gradient steps: 0
          nls ksp atol: 0
          nls ksp rtol: 12
          nls ksp ctol: 0
          nls ksp negc: 0
          nls ksp dtol: 0
          nls ksp iter: 0
          nls ksp othr: 0
      TaoLineSearch Object:   1 MPI processes
        type: more-thuente
      KSP Object:   1 MPI processes
        type: stcg
      total KSP iterations: 24
      convergence tolerances: gatol=1e-08,   steptol=0,   gttol=0
      Residual in Function/Gradient:=3.46652e-06
      Objective value=2.09587e-14
      total number of iterations=12,                          (max: 50)
      total number of function/gradient evaluations=20,      (max: 4000)
      total number of Hessian evaluations=13
      Solution converged:   estimated f(x)-f(X*) <= fatol