Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:07:57 2012 Optimize a model with 7819 rows, 13340 columns and 36223 nonzeros Presolve removed 35 rows and 3797 columns Presolve time: 0.15s Presolved: 7784 rows, 9543 columns, 32292 nonzeros Variable types: 0 continuous, 9543 integer (9543 binary) Found heuristic solution: objective 115.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.17 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%