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## Re: [Help-glpk] Problem infeasibility

**From**: |
Andrew Makhorin |

**Subject**: |
Re: [Help-glpk] Problem infeasibility |

**Date**: |
Mon, 24 Sep 2007 17:07:28 +0400 |

>* Hi, I'm trying to solve a feasible problem, by using glpsol and I*
>* obtained the following results:*
>* lpx_read_mps: reading problem data from*
>* `D:/workspace/OptimizationProject/info/optimizationFiles/F2cv_ProblemDescription.mps'...*
>* lpx_read_mps: problem name not specified*
>* lpx_read_mps: 14474 rows, 11220 columns, 520172 non-zeros*
>* lpx_read_mps: 11220 integer columns, 11200 of which are binary*
>* lpx_read_mps: 295790 cards were read*
>* PROBLEM HAS NO PRIMAL FEASIBLE SOLUTION*
>* I don't think what's the problem...Can you help me?*
Try using the option `--nopresol' to disable the lp presolver.
If no fasible solution will be found, most probably, your lp is really
infeasible, in which case you can obtain additional information from
the solution output sheet.