Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:10:43 2013

Optimize a model with 807 rows, 9191 columns and 509592 nonzeros
Presolve removed 34 rows and 134 columns
Presolve time: 2.22s
Presolved: 773 rows, 9057 columns, 501997 nonzeros
Variable types: 0 continuous, 9057 integer (9057 binary)
Found heuristic solution: objective 6289.0000000
Found heuristic solution: objective 4851.0000000

Root relaxation: objective 4.203000e+03, 1858 iterations, 0.35 seconds

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

*    0     0               0    4203.0000000 4203.00000   0.0%     -    2s

Explored 0 nodes (1858 simplex iterations) in 2.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.203000000000e+03, best bound 4.203000000000e+03, gap 0.0%