[Scip] scip reports optimal solution along with violated constraints

Stefan Heinz heinz at zib.de
Tue Mar 9 23:27:49 MET 2010


Hi Martin,

could you please turn off the heuristic trivial and check if this helps.

SCIP_CALL( SCIPsetIntParam(scip, "heuristics/trivial/freq", -1) );

Thanks Stefan

> Hello Tobias,
>
>> Could you please recompile SCIP from scratch, and also recompile your
>> code from scratch,
>> making sure that the include path is consistent with the SCIP libraries?
> I did this, recompiled everything and checked my include paths. It did
> not change anything. I recompiled everything in release mode, no change.
>
> What I still think is strange, is that a export shows that all the
> constraints are in the problem but are somehow not really checked.
>
> A quick check: The problem in scip->prob has some constraints while the
> lp in solve.c:3191 does not have any rows or columns, so the output is
> "ok" in this respect.
>
> Regards,
> Martin
>
>
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