[Couenne] Couenne returns infeasibility for feasible instances

[Ted Ralphs]

Hi Luca,

Please open an issue in the Github repo for Couenne and attach the `.nl`
file there. This mailing list is not really used anymore and will be shut
down at some point in the future.

Cheers,

Ted

On Tue, Mar 15, 2022 at 5:09 AM Luca Mencarelli <
luca.mencarelli.university at gmail.com> wrote:

> Dear all,
>
> I am using Couenne to solve several non-convex MINLPs. The problem is that
> when I set "min 0" as objective function Couenne finds a feasible solution,
> nut when I change the objective function Couenne returns infeasibility. I
> have already tried to deactivate all the bound bound tightening options,
> but Couenne returns always that the instance is infeasible. I can provide
> the .nl files if necessary.
>
> Thanks for all your help. Best regards,
> Luca
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-- 
Dr. Ted Ralphs
Professor, Industrial and Systems Engineering
Lehigh University
(610) 628-1280
ted 'at' lehigh 'dot' edu
coral.ie.lehigh.edu/~ted
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