Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:01:35 2012 Optimize a model with 6992 rows, 12432 columns and 32854 nonzeros Presolve removed 41 rows and 4331 columns Presolve time: 0.13s Presolved: 6951 rows, 8101 columns, 28399 nonzeros Variable types: 0 continuous, 8101 integer (8101 binary) Found heuristic solution: objective 111.0000000 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%