[Cbc] bug while solving MIPLIB lectsched-4-obj
John Forrest
john.forrest at fastercoin.com
Sat Feb 14 13:55:46 EST 2015
Haroldo,
Thanks - I can reproduce with debug version - should be easy to find -
shows I made a bad mistake somewhere.
John
On 14/02/15 13:41, Haroldo Gambini Santos wrote:
> Hi,
>
> I have experienced some bugs with the latest CBC svn revision 2136.
>
> The one which appears to be most easily reproducible is while solving
> the (feasible) miplib instance lectsched-4-obj
> which is declared infeasible by CBC.
>
> http://miplib.zib.de/miplib2010/lectsched-4-obj.php
>
> PS: the bug appears in more instances, but it takes a lot of time to
> appears.
>
> Cheers,
>
> Haroldo
>
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