Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:15 2012

Optimize a model with 649 rows, 2550 columns and 4248 nonzeros
Presolve removed 34 rows and 1602 columns
Presolve time: 0.04s
Presolved: 615 rows, 948 columns, 2622 nonzeros
Variable types: 0 continuous, 948 integer (948 binary)
Found heuristic solution: objective 50.0000000
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%