Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:46 2012 Optimize a model with 275 rows, 229 columns and 550 nonzeros Presolve removed 275 rows and 229 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 1.360000000000e+02, best bound 1.360000000000e+02, gap 0.0%