Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:45 2012 Optimize a model with 2922 rows, 6320 columns and 14692 nonzeros Presolve removed 32 rows and 2372 columns Presolve time: 0.11s Presolved: 2890 rows, 3948 columns, 12248 nonzeros Variable types: 0 continuous, 3948 integer (3948 binary) Found heuristic solution: objective 79.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.11 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%