Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:00:28 2012 Optimize a model with 7479 rows, 12210 columns and 34098 nonzeros Presolve removed 25 rows and 2532 columns Presolve time: 0.14s Presolved: 7454 rows, 9678 columns, 31432 nonzeros Variable types: 0 continuous, 9678 integer (9678 binary) Found heuristic solution: objective 110.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.15 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%