Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:47 2012 Optimize a model with 1120 rows, 3540 columns and 6606 nonzeros Presolve removed 35 rows and 1949 columns Presolve time: 0.09s Presolved: 1085 rows, 1591 columns, 4621 nonzeros Variable types: 0 continuous, 1591 integer (1591 binary) Found heuristic solution: objective 59.0000000 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%