
---- Minimum Surface Area With Plate Problem -----
mx:8, my:6, bmx:3, bmy:3, height:0.2
iter =   0, Function value 1.67039, Residual: 0.47529
iter =   0, Function value 1.57687, Residual: 0.447462
  iter =   0,   Function value 1.57687,   Residual: 0.447462
  iter =   1,   Function value 1.53574,   Residual: 0.222622
  iter =   2,   Function value 1.51391,   Residual: 0.187842
  iter =   3,   Function value 1.51012,   Residual: 0.110361
iter =   1, Function value 1.50567, Residual: 0.00326476
  iter =   0,   Function value 1.50567,   Residual: 0.00326476
  iter =   1,   Function value 1.50567,   Residual: 0.00332264
  iter =   2,   Function value 1.50567,   Residual: 0.00464672
  iter =   3,   Function value 1.50566,   Residual: 0.00127873
iter =   2, Function value 1.50566, Residual: 1.26759e-06
Tao Object: 1 MPI process
  type: bntl
    Tao Object: (tao_bnk_cg_) 1 MPI process
      type: bncg
        CG Type: ssml_bfgs
        Skipped Stepdirection Updates: 1
        Scaled gradient steps: 0
        Pure gradient steps: 0
        Not a descent direction: 0
        Line search fails: 0
        Mat Object: (tao_bnk_cg_tao_bncg_) 1 MPI process
          type: lmvmdiagbroyden
          rows=48, cols=48
            Max. storage: 1
            Used storage: 1
            Number of updates: 3
            Number of rejects: 0
            Number of resets: 2
            J0:
              Mat Object: (tao_bnk_cg_tao_bncg_mat_lmvm_J0_) 1 MPI process
                type: diagonal
                rows=48, cols=48
                  Vec Object: 1 MPI process
                    type: seq
            Rescale type: diagonal
            Rescale history: 1
            Rescale params: alpha=1., beta=0.5, rho=1.
            Rescale convex factor: theta=0.
      Objective function:
        TaoTerm Object: (callbacks_) 1 MPI process
          type: callbacks
          solution vector space: N = 48
          attached to Tao [name omitted]
          total number of function/gradient evaluations=25
          total number of Hessian evaluations=3
      TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process
        type: more-thuente
        maximum function evaluations=30
        tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
        total number of function evaluations=0
        total number of gradient evaluations=0
        total number of function/gradient evaluations=1
        using variable bounds
        Termination reason: SUCCESS
      Active Set subset type: subvec
      convergence tolerances: gatol=1e-05,       grtol=1e-08,       steptol=0.,       gttol=0.
      Residual in Function/Gradient:=0.00127873
      Objective value=1.50566
      total number of iterations=3,                              (max: 3)
      total number of function/gradient evaluations=25,          (max: 4000)
      total number of Hessian evaluations=3
      Solver failed:        Maximum Iterations
    Rejected BFGS updates: 0
    CG steps: 6
    Newton steps: 2
    BFGS steps: 0
    Scaled gradient steps: 0
    Gradient steps: 0
    KSP termination reasons:
      atol: 0
      rtol: 2
      ctol: 0
      negc: 0
      dtol: 0
      iter: 0
      othr: 0
  TaoLineSearch Object: 1 MPI process
    type: more-thuente
    maximum function evaluations=30
    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
    total number of function evaluations=0
    total number of gradient evaluations=0
    total number of function/gradient evaluations=0
    using variable bounds
    Termination reason: CONTINUE_ITERATING
  KSP Object: (tao_bnk_) 1 MPI process
    type: stcg
    maximum iterations=10000, initial guess is zero
    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
    left preconditioning
    using UNPRECONDITIONED norm type for convergence test
  PC Object: (tao_bnk_) 1 MPI process
    type: lmvm
    Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process
      type: lmvmbfgs
      rows=48, cols=48
        Max. storage: 5
        Used storage: 2
        Number of updates: 2
        Number of rejects: 0
        Number of resets: 0
        J0:
          Mat Object: (tao_bnk_pc_lmvm_mat_lmvm_J0_) 1 MPI process
            type: diagonal
            rows=48, cols=48
              Vec Object: 1 MPI process
                type: seq
        Rescale type: diagonal
        Rescale history: 1
        Rescale params: alpha=1., beta=0.5, rho=1.
        Rescale convex factor: theta=0.125
    linear system matrix, which is also used to construct the preconditioner:
    Mat Object: 1 MPI process
      type: seqaij
      rows=40, cols=40
      total: nonzeros=228, allocated nonzeros=228
      total number of mallocs used during MatSetValues calls=0
        not using I-node routines
  total KSP iterations: 39
  Active Set subset type: subvec
  convergence tolerances: gatol=1e-05,   grtol=1e-08,   steptol=0.,   gttol=0.
  Residual in Function/Gradient:=1.26759e-06
  Objective value=1.50566
  total number of iterations=2,                          (max: 50)
  total number of function/gradient evaluations=25,      (max: unlimited)
  total number of Hessian evaluations=3
  Solution converged:    ||g(X)|| <= gatol
