[Cbc-tickets] [COIN-OR Branch-and-Cut MIP Solver] #107: CBC 2.6 returns infeasible for feasible model

COIN-OR Branch-and-Cut MIP Solver coin-trac at coin-or.org
Fri Jan 28 05:04:43 EST 2011


#107: CBC 2.6 returns infeasible for feasible model
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Reporter:  marcelh  |       Type:  defect
  Status:  new      |   Priority:  major 
 Version:           |   Keywords:        
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 For the attached small MIP model CBC 2.6 returns (proven) infeasible but
 the model is feasible (the 0 solution is a valid solution).

 Thanks,

 Marcel

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Ticket URL: <https://projects.coin-or.org/Cbc/ticket/107>
COIN-OR Branch-and-Cut MIP Solver <http://projects.coin-or.org/Cbc>
An LP-based branch-and-cut MIP solver.



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