Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:10:09 2012 Optimize a model with 2379 rows, 1260 columns and 8223 nonzeros Presolve removed 597 rows and 2 columns Presolve time: 0.10s Presolved: 1782 rows, 1258 columns, 6756 nonzeros Variable types: 0 continuous, 1258 integer (1258 binary) Found heuristic solution: objective 35.0000000 Root relaxation: objective 3.000000e+00, 1517 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (3769 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%