Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:27 2012 Optimize a model with 917 rows, 2970 columns and 5452 nonzeros Presolve removed 34 rows and 1730 columns Presolve time: 0.07s Presolved: 883 rows, 1240 columns, 3690 nonzeros Variable types: 0 continuous, 1240 integer (1240 binary) Found heuristic solution: objective 54.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.07 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%