Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:42 2012 Optimize a model with 2 rows, 6 columns and 4 nonzeros Presolve removed 2 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) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%