Ali-
Excellent suggestion.
I followed your advice, translated into LP, and got scip to solve my
problem (with no extra settings) in less than 20min.
I also tried writing out to MPS (both wmps and freemps), but for some
reason scip produced incorrect results.
Thanks
Yaron
On Fri, Oct 2, 2009
22.04.2010 22:31, Andrew Makhorin kirjutas:
> Glpsol solves your instance correctly, so you need to check your mps
> file.
>
> Writing models in mps format by hand is cumbersome. You may look at
> the example model spp.mod, which solves the shortest path problem and
> is written in MathProg model
