[Ipopt-tickets] [Ipopt] #291: IpoptException in "IpBacktrackingLineSearch.cpp" - No Restoration Phase given

[Ipopt]

#291: IpoptException in "IpBacktrackingLineSearch.cpp" - No Restoration Phase
given
-------------------------+-------------------------------------------------
  Reporter:  kamilova    |      Owner:  ipopt-team
      Type:  defect      |     Status:  new
  Priority:  high        |  Component:  Ipopt
   Version:  3.12        |   Severity:  critical
Resolution:              |   Keywords:  cg-penalty error -100 Backtracking
                         |  Line Search
-------------------------+-------------------------------------------------

Comment (by stefan):

 This looks likes something is rather missing in the CGPenalty
 implementation. So try not to use this option.

 Maybe you can come up with a better starting point, if the default one
 leads to Ipopt concluding infeasibility.

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Ticket URL: <https://projects.coin-or.org/Ipopt/ticket/291#comment:1>
Ipopt <http://projects.coin-or.org/Ipopt>
Interior-point optimizer for nonlinear programs.