Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:36:45 2012 Optimize a model with 263 rows, 1122 columns and 1747 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.01s Presolved: 294 rows, 1120 columns, 2820 nonzeros Variable types: 0 continuous, 1120 integer (1120 binary) Found heuristic solution: objective 30.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.02 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%