Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:01 2012 Optimize a model with 5 rows, 5 columns and 15 nonzeros Presolve removed 5 rows and 5 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 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%