Gurobi 5.0.1 (linux64) logging started Sun Dec 9 01:48:39 2012 Optimize a model with 3255 rows, 3240 columns and 11830 nonzeros Presolve removed 406 rows and 94 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model is infeasible Best objective -, best bound -, gap -