It appears to be a bug in converting mps to lp.

In this miplib instance:

http://miplib.zib.de/miplib2010/triptim1.php

after converting the problem to LP

http://miplib.zib.de/miplib2010/triptim1.php

The problems becomes infeasible.

Cheers,

Haroldo

--
=============================================================
Haroldo Gambini Santos
Computing Department - Universidade Federal de Ouro Preto - UFOP
email: haroldo [at ] iceb.ufop.br
       haroldo.santos [at] gmail.com
home/research page: www.decom.ufop.br/haroldo/


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