Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:51 2012

Optimize a model with 3039 rows, 6480 columns and 15198 nonzeros
Presolve removed 31 rows and 2322 columns
Presolve time: 0.11s
Presolved: 3008 rows, 4158 columns, 12802 nonzeros
Variable types: 0 continuous, 4158 integer (4158 binary)
Found heuristic solution: objective 80.0000000
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%