Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:25 2013

Optimize a model with 753 rows, 9036 columns and 422839 nonzeros
Presolve removed 16 rows and 15 columns (presolve time = 5s) ...
Presolve removed 26 rows and 37 columns
Presolve time: 6.71s
Presolved: 727 rows, 8999 columns, 420520 nonzeros
Variable types: 0 continuous, 8999 integer (8999 binary)
Found heuristic solution: objective 5277.0000000

Root relaxation: objective 3.856000e+03, 1606 iterations, 0.25 seconds

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

*    0     0               0    3856.0000000 3856.00000   0.0%     -    7s

Explored 0 nodes (1606 simplex iterations) in 7.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.856000000000e+03, best bound 3.856000000000e+03, gap 0.0%