Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:40 2013

Optimize a model with 287 rows, 792 columns and 45562 nonzeros
Presolve removed 36 rows and 46 columns
Presolve time: 0.26s
Presolved: 251 rows, 746 columns, 42366 nonzeros
Variable types: 0 continuous, 746 integer (746 binary)
Found heuristic solution: objective 873.0000000
Found heuristic solution: objective 598.0000000

Root relaxation: objective 5.740000e+02, 106 iterations, 0.00 seconds

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

*    0     0               0     574.0000000  574.00000   0.0%     -    0s

Explored 0 nodes (106 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.740000000000e+02, best bound 5.740000000000e+02, gap 0.0%