Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:56 2012 Optimize a model with 1097 rows, 3782 columns and 6769 nonzeros Presolve removed 38 rows and 2198 columns Presolve time: 0.09s Presolved: 1059 rows, 1584 columns, 4537 nonzeros Variable types: 0 continuous, 1584 integer (1584 binary) Found heuristic solution: objective 61.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.09 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%