Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:43:07 2012

Optimize a model with 3998 rows, 8742 columns and 20272 nonzeros
Presolve removed 42 rows and 3722 columns
Presolve time: 0.12s
Presolved: 3956 rows, 5020 columns, 16466 nonzeros
Variable types: 0 continuous, 5020 integer (5020 binary)
Found heuristic solution: objective 93.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 0 iterations, 0.00 seconds

Explored 0 nodes (0 simplex iterations) in 0.13 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%