Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:10 2012 Optimize a model with 2145 rows, 5550 columns and 11616 nonzeros Presolve removed 40 rows and 2814 columns Presolve time: 0.11s Presolved: 2105 rows, 2736 columns, 8746 nonzeros Variable types: 0 continuous, 2736 integer (2736 binary) Found heuristic solution: objective 74.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.11 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%