Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:15 2013 Optimize a model with 28 rows, 120 columns and 945 nonzeros Presolve removed 28 rows and 120 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 3.279190978514e+03, best bound 3.279190978514e+03, gap 0.0%