Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:38:23 2012 Optimize a model with 1517 rows, 4422 columns and 8644 nonzeros Presolve removed 35 rows and 2180 columns Presolve time: 0.10s Presolved: 1482 rows, 2242 columns, 6420 nonzeros Variable types: 0 continuous, 2242 integer (2242 binary) Found heuristic solution: objective 66.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.10 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%