Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:04:18 2012 Optimize a model with 7637 rows, 13110 columns and 35452 nonzeros Presolve removed 34 rows and 3650 columns Presolve time: 0.15s Presolved: 7603 rows, 9460 columns, 31670 nonzeros Variable types: 0 continuous, 9460 integer (9460 binary) Found heuristic solution: objective 114.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.17 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%