    iter =   0, Function value: 1,  Residual: 2
    iter =   1, Function value: 0.773446,  Residual: 6.07754
    iter =   2, Function value: 0.648599,  Residual: 3.22619
    iter =   3, Function value: 0.560405,  Residual: 5.47111
    iter =   4, Function value: 0.379185,  Residual: 3.01163
    iter =   5, Function value: 0.280758,  Residual: 2.6864
    iter =   6, Function value: 0.187322,  Residual: 3.78999
    iter =   7, Function value: 0.129225,  Residual: 6.25728
    iter =   8, Function value: 0.10936,  Residual: 0.457052
    iter =   9, Function value: 0.0850793,  Residual: 0.9475
    iter =  10, Function value: 0.0601238,  Residual: 3.23463
    iter =  11, Function value: 0.0405988,  Residual: 3.6698
    iter =  12, Function value: 0.0184967,  Residual: 1.7436
    iter =  13, Function value: 0.00898914,  Residual: 0.107259
    iter =  14, Function value: 0.00553533,  Residual: 1.48455
    iter =  15, Function value: 0.00353862,  Residual: 1.42651
    iter =  16, Function value: 0.000594656,  Residual: 0.176892
    iter =  17, Function value: 0.000129296,  Residual: 0.425951
    iter =  18, Function value: 5.17587e-06,  Residual: 0.0681965
    iter =  19, Function value: 3.43742e-08,  Residual: 0.00754746
    Tao Object: 1 MPI processes
      type: lmvm
          BFGS steps: 37
          Scaled gradient steps: 1
          Gradient steps: 0
      TaoLineSearch Object:   1 MPI processes
        type: more-thuente
      convergence tolerances: gatol=1e-08,   steptol=0,   gttol=0
      Residual in Function/Gradient:=0.00754746
      Objective value=3.43742e-08
      total number of iterations=19,                          (max: 2000)
      total number of function/gradient evaluations=26,      (max: 4000)
      Solution converged:   estimated f(x)-f(X*) <= fatol