Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:57:18 2012 Optimize a model with 7382 rows, 11556 columns and 33168 nonzeros Presolve removed 35 rows and 3533 columns Presolve time: 0.13s Presolved: 7347 rows, 8023 columns, 29499 nonzeros Variable types: 0 continuous, 8023 integer (8023 binary) Found heuristic solution: objective 107.0000000 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%