Re: Infinite cycles

Dear Heinrich,

in attachment you can find a problem that runs into
infinite loops for
glpsol -m GLP_buggy_6d21.mod --norelax

and GLPSOL being version 4.61

  Mathieu

On 11 January 2017 at 19:52, Heinrich Schuchardt <[email protected]> wrote:

> glpsol -m GLP_buggy.mod  --norelax
> runs fine.
>
> glpsol -m GLP_buggy.mod
> loops for ever.
>
> I tested with the GLPK 4.61 prerelease.
>
> Best regards
>
> Heinrich Schuchardt
>
> On 01/11/2017 12:14 PM, Mathieu Dutour wrote:
> > Dear all,
> >
> > I obtained some infinite cycles when running the
> > glpsol standalone solver on some instances.
> > See two files in attachment.
> >
> > I had the instances of this phenomenon with
> > version 4.57 which disappeared with version 4.60.
> >
> > Is there a way to avoid this phenomenon? I mean
> > it is fully acceptable to me to have GLPK report
> > that he cannot solve an instance due to numerical
> > instability. What is not acceptable is the infinite
> > cycles.
> >
> > Thanks in advance for any help.
> > Sincerely,
> >
> >   Mathieu
> >
> >
> > _______________________________________________
> > Help-glpk mailing list
> > [email protected]
> > https://lists.gnu.org/mailman/listinfo/help-glpk
> >
>
>

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