Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:11:00 2012 Optimize a model with 2303 rows, 1332 columns and 8062 nonzeros Presolve removed 398 rows and 2 columns Presolve time: 0.10s Presolved: 1941 rows, 1330 columns, 8280 nonzeros Variable types: 0 continuous, 1330 integer (1330 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 3.000000e+00, 1525 iterations, 0.06 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 (2871 simplex iterations) in 0.24 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%