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[Help-glpk] Re: Status : Integer Undefined : what does it mean.
From: |
Andrew Makhorin |
Subject: |
[Help-glpk] Re: Status : Integer Undefined : what does it mean. |
Date: |
Fri, 13 Feb 2009 10:33:23 +0300 |
> I am trying to solve a problem with GLPK 4. 36. As I run it with
> GPLSol with timeout of 900 seconds, it prints out the line "OPTIMAL
> SOLUTION FOUND" after some time in the log file and then "Integer
> Optimization Begins"
The message "OPTIMAL SOLUTION FOUND" means that the solver found an
optimal solution to LP relaxation, not to MIP.
> After time out when the output file is generated. It shows
> "Status: INTEGER UNDEFINED"
> What is the meaning of this ?
This means that the solver did not find any integer feasible solution
for 900 secs.
> Should I consider that it is able to solve my prolbem ?
Try to increase the time limit.
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