Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:36 2012 Optimize a model with 66 rows, 36 columns and 132 nonzeros Presolve removed 66 rows and 36 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 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%