Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:59:02 2012 Optimize a model with 16584 rows, 24180 columns and 73158 nonzeros Presolve removed 40 rows and 5892 columns Presolve time: 0.33s Presolved: 16544 rows, 18288 columns, 67054 nonzeros Variable types: 0 continuous, 18288 integer (18288 binary) Found heuristic solution: objective 155.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.37 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%