Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:56 2012

Optimize a model with 399 rows, 420 columns and 1518 nonzeros
Presolve removed 5 rows and 62 columns
Presolve time: 0.01s
Presolved: 394 rows, 358 columns, 1418 nonzeros
Variable types: 0 continuous, 358 integer (358 binary)
Found heuristic solution: objective 20.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 0 iterations, 0.00 seconds

Explored 0 nodes (0 simplex iterations) in 0.01 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%