Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:25 2012 Optimize a model with 2507 rows, 5852 columns and 12994 nonzeros Presolve removed 38 rows and 2738 columns Presolve time: 0.10s Presolved: 2469 rows, 3114 columns, 10192 nonzeros Variable types: 0 continuous, 3114 integer (3114 binary) Found heuristic solution: objective 76.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.10 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%