Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:05:03 2013

Optimize a model with 594 rows, 6082 columns and 262964 nonzeros
Presolve removed 29 rows and 600 columns
Presolve time: 1.27s
Presolved: 565 rows, 5482 columns, 259435 nonzeros
Variable types: 0 continuous, 5482 integer (5482 binary)
Found heuristic solution: objective 3862.0000000

Root relaxation: objective 2.875000e+03, 975 iterations, 0.09 seconds

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

*    0     0               0    2875.0000000 2875.00000   0.0%     -    1s

Explored 0 nodes (975 simplex iterations) in 1.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.875000000000e+03, best bound 2.875000000000e+03, gap 0.0%