[Bonmin] assert error in bonmin with cplex

[Stefan Vigerske]

Hi,

I think that has been fixed already, but has not made it into a release:
http://list.coin-or.org/pipermail/bonmin/2012-January/000304.html

If you get the 1.5 stable, then you should get also the bugfix.

Stefan

Am 25.01.2012 20:02, schrieb Wendel Alexandre Xavier de Melo:
> Hi experts
>
> I would like to report a assert error got using bonmin with cplex 12.3 and
> B-OA algorithm:
>
> ################################################################################
> wendel at w-NET:~/bonmin/Bonmin-1.5.1/bin$ ./bonmin CLay0203M.nl
> Bonmin 1.5.1 using Cbc 2.7.2 and Ipopt 3.10.1
>
>
> ******************************************************************************
> This program contains Ipopt, a library for large-scale nonlinear
> optimization.
>   Ipopt is released as open source code under the Eclipse Public License
> (EPL).
>           For more information visit http://projects.coin-or.org/Ipopt
> ******************************************************************************
>
> NLP0012I
>                Num      Status      Obj             It       time
>        Location
> NLP0014I             1         OPT -1.279946e-055.5g        8 0.02g
> build initial OA
> IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic
> Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
> CPX0000  Parallel mode: deterministic, using up to 2 threads for concurrent
> optimization.
> CPX0000  Initializing dual steep norms . . .
> CPX0000
> CPX0000  Iteration log . . .
> CPX0000  Iteration:     1   Dual objective     =             0.000000
> CPX0000  Reinitializing dual norms . . .
> CPX0000
> CPX0000  Dual simplex
> NLP0014I             2      INFEAS 0.862440075.5g       44 0.14g     OA
> decomposition
> bonmin: BonOACutGenerator2.cpp:218: virtual double
> Bonmin::OACutGenerator2::performOa(OsiCuts&,
> Bonmin::OaDecompositionBase::solverManip&, Bonmin::BabInfo*, double&, const
> CglTreeInfo&) const: Assertion `cutoff<  ub' failed.
> Abortado
> ################################################################################
>
> The nl input file and the bonmin.opt file are attached. With some others nl
> files I have gotten the same error with B-OA algorithm
>
>
> Best regards
>
>
>
>
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