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[Bug-glpk] GLPK crash with --intopt option

From: Anne-Laurence Putz
Subject: [Bug-glpk] GLPK crash with --intopt option
Date: Wed, 30 Apr 2008 20:35:39 +0400

Dear Andrew,

When running the glpsol command line for the MIP model.mps everything is 
OK, optimal solution is found.
But when I launch it with the --intopt option, GLPK crashes (see 
crash.txt file).

It seems that for a column, ipp_tight_bnds() function returns 0, because 
bounds are unchanged, which is not alloweed in reduce_bounds().
Why is it an error ?

I worked with GLP 4.28 on windows XP

Thank you very much for giving me an explanation, and best regards,

Anne-Laurence Putz
Optimisation Engineer
_EURODECISION <blocked::http://www.eurodecision.com/>_
Operational Research
9 rue de la Porte de Buc
Tél : +33 (0)1 39 07 25 43

Attachment: crash.txt
Description: Text document

Attachment: model.mps
Description: Text document

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