Gurobi 5.0.1 (linux64) logging started Sat Dec 8 14:48:29 2012 Optimize a model with 1095 rows, 1080 columns and 3551 nonzeros Presolve removed 21 rows and 21 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 -