Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:59 2013

Optimize a model with 952 rows, 12390 columns and 703983 nonzeros
Presolve removed 48 rows and 38 columns (presolve time = 5s) ...
Presolve removed 48 rows and 38 columns
Presolve time: 5.62s
Presolved: 904 rows, 12352 columns, 696347 nonzeros
Variable types: 0 continuous, 12352 integer (12352 binary)
Found heuristic solution: objective 7067.0000000

Root relaxation: objective 5.674000e+03, 2800 iterations, 0.69 seconds

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

*    0     0               0    5674.0000000 5674.00000   0.0%     -    6s

Explored 0 nodes (2800 simplex iterations) in 6.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.674000000000e+03, best bound 5.674000000000e+03, gap 0.0%