Gurobi 5.0.1 (linux64) logging started Sun Dec 9 10:44:13 2012 Optimize a model with 570 rows, 540 columns and 1792 nonzeros Presolve removed 6 rows and 6 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 -