Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:06 2012

Optimize a model with 643 rows, 2162 columns and 3862 nonzeros
Presolve removed 30 rows and 1290 columns
Presolve time: 0.04s
Presolved: 613 rows, 872 columns, 2546 nonzeros
Variable types: 0 continuous, 872 integer (872 binary)
Found heuristic solution: objective 46.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 0 iterations, 0.00 seconds

Explored 0 nodes (0 simplex iterations) in 0.04 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%