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Exit Status: Restoration Failed (What does this mean?)
Hi Ayonga,
I get this exit status (Restoration Failed) for some of my optimization trials. Can you help me understand what that means? I pasted my optimization report below for reference.
Thanks!
Optimization Report:
Number of Iterations....: 84
(scaled) (unscaled)
Objective...............: 5.1802723933401123e-08 5.1802723933401123e-08 Dual infeasibility......: 2.9379169971882279e-03 2.9379169971882279e-03 Constraint violation....: 1.7425297660075284e-01 1.7425297660075284e-01 Complementarity.........: 6.4652254579601839e-08 6.4652254579601839e-08 Overall NLP error.......: 1.7425297660075284e-01 1.7425297660075284e-01
Number of objective function evaluations = 154 Number of objective gradient evaluations = 49 Number of equality constraint evaluations = 154 Number of inequality constraint evaluations = 154 Number of equality constraint Jacobian evaluations = 87 Number of inequality constraint Jacobian evaluations = 87 Number of Lagrangian Hessian evaluations = 0 Total CPU secs in IPOPT (w/o function evaluations) = 0.724 Total CPU secs in NLP function evaluations = 9.340
**Restoration phase converged to a feasible point that is unacceptable to the filter for the original problem. Restoration phase in the restoration phase failed.
EXIT: Restoration Failed!**