Gurobi 5.0.1 (linux64) logging started Sat Dec 8 03:33:09 2012 Optimize a model with 1635 rows, 1620 columns and 5902 nonzeros Presolve removed 215 rows and 60 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 -