[SCIP] Verry simple model seems very hard for scip

Thomas Bulka thomas.bulka at constraintegic.net
Fri Jul 28 22:51:57 CEST 2023


Peter Notebaert <mail at peno.be> writes:

> Attached model (17 variables, 19 constraints) takes scip forever to solve.
>
> Maybe something interesting to investigate.
>
> Note that if you disable the first constraint and replace it by the commented line below it that is solves very quickly.
>
> Peter
>
> [4. application/octet-stream; sciploop.lp]...
>
> _______________________________________________
> Scip mailing list
> Scip at zib.de
> https://listserv.zib.de/mailman/listinfo/scip

Hi,

are you sure that the model is feasible? Out of curiosity I tried to
solve the model with HiGHS and it considers the model to be infeasible
upon presolve.

Regards,

Thomas


More information about the Scip mailing list