Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:20:49 2013

Optimize a model with 1178 rows, 21140 columns and 1130156 nonzeros
Presolve removed 7 rows and 7 columns
Presolve time: 3.40s
Presolved: 1171 rows, 21133 columns, 1129631 nonzeros
Variable types: 0 continuous, 21133 integer (21133 binary)
Found heuristic solution: objective 10560.000000

Root relaxation: objective 8.740000e+03, 4885 iterations, 1.88 seconds

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

*    0     0               0    8740.0000000 8740.00000   0.0%     -    5s

Explored 0 nodes (4885 simplex iterations) in 5.46 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.740000000000e+03, best bound 8.740000000000e+03, gap 0.0%