Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:11:02 2012

Optimize a model with 19679 rows, 27060 columns and 85278 nonzeros
Presolve removed 35 rows and 5414 columns
Presolve time: 0.40s
Presolved: 19644 rows, 21646 columns, 79626 nonzeros
Variable types: 0 continuous, 21646 integer (21646 binary)
Found heuristic solution: objective 164.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 0 iterations, 0.01 seconds

Explored 0 nodes (0 simplex iterations) in 0.45 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%