Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:36:59 2012 Optimize a model with 386 rows, 1892 columns and 2836 nonzeros Presolve removed 32 rows and 1292 columns Presolve time: 0.02s Presolved: 354 rows, 600 columns, 1528 nonzeros Variable types: 0 continuous, 600 integer (600 binary) Found heuristic solution: objective 43.0000000 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%