Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:02:45 2012 Optimize a model with 7570 rows, 12882 columns and 35028 nonzeros Presolve removed 33 rows and 3505 columns Presolve time: 0.14s Presolved: 7537 rows, 9377 columns, 31391 nonzeros Variable types: 0 continuous, 9377 integer (9377 binary) Found heuristic solution: objective 113.0000000 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%