Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:22:45 2012 Optimize a model with 7919 rows, 14520 columns and 37678 nonzeros Presolve removed 39 rows and 4442 columns Presolve time: 0.15s Presolved: 7880 rows, 10078 columns, 33106 nonzeros Variable types: 0 continuous, 10078 integer (10078 binary) Found heuristic solution: objective 120.0000000 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%