Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:12:56 2012 Optimize a model with 2849 rows, 1482 columns and 9840 nonzeros Presolve removed 459 rows and 40 columns Presolve time: 0.10s Presolved: 2390 rows, 1442 columns, 8612 nonzeros Variable types: 0 continuous, 1442 integer (1442 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 3.000000e+00, 1984 iterations, 0.09 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 (6910 simplex iterations) in 0.53 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%