Re: [Help-glpk] OPB output file anomaly

[Andrew Makhorin]

> I'm just a little lost as to where to start looking or how to
> interpret what the problem is exactly.  Any insight appreciated.  I'm
> happy to provide more info if it would be helpful.

You could write your instance also in cplex format specifying the
option '--wcpxlp outfile' along with '--wopb' and then check both
the files. AFAIK cplex lp format is very similar to opb format.