Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:18 2013 Optimize a model with 66 rows, 113 columns and 375 nonzeros Presolve removed 66 rows and 113 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 2.148820323028e+03, best bound 2.148820323028e+03, gap 0.0%