Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:41:03 2012 Optimize a model with 3218 rows, 7656 columns and 16876 nonzeros Presolve removed 46 rows and 3830 columns Presolve time: 0.11s Presolved: 3172 rows, 3826 columns, 12974 nonzeros Variable types: 0 continuous, 3826 integer (3826 binary) Found heuristic solution: objective 87.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%