Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:39 2013

Optimize a model with 234 rows, 684 columns and 26597 nonzeros
Presolve removed 24 rows and 108 columns
Presolve time: 0.10s
Presolved: 210 rows, 576 columns, 19267 nonzeros
Variable types: 0 continuous, 576 integer (576 binary)
Found heuristic solution: objective 653.0000000
Found heuristic solution: objective 565.0000000

Root relaxation: cutoff, 77 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0     cutoff    0       565.00000  564.00057  0.18%     -    0s

Explored 0 nodes (77 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.650000000000e+02, best bound 5.650000000000e+02, gap 0.0%