Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:38:27 2012 Optimize a model with 1473 rows, 4556 columns and 8641 nonzeros Presolve removed 39 rows and 2481 columns Presolve time: 0.10s Presolved: 1434 rows, 2075 columns, 6118 nonzeros Variable types: 0 continuous, 2075 integer (2075 binary) Found heuristic solution: objective 67.0000000 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%