Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:07:54 2012 Optimize a model with 8624 rows, 13340 columns and 38638 nonzeros Presolve removed 33 rows and 3567 columns Presolve time: 0.14s Presolved: 8591 rows, 9773 columns, 34923 nonzeros Variable types: 0 continuous, 9773 integer (9773 binary) Found heuristic solution: objective 115.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.16 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%