Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:17:56 2013

Optimize a model with 1082 rows, 18436 columns and 948656 nonzeros
Presolve removed 40 rows and 192 columns (presolve time = 6s) ...
Presolve removed 40 rows and 192 columns
Presolve time: 6.00s
Presolved: 1042 rows, 18244 columns, 939616 nonzeros
Variable types: 0 continuous, 18244 integer (18244 binary)
Found heuristic solution: objective 9176.0000000

Root relaxation: objective 6.914000e+03, 3763 iterations, 1.19 seconds

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

*    0     0               0    6914.0000000 6914.00000   0.0%     -    7s

Explored 0 nodes (3763 simplex iterations) in 7.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.914000000000e+03, best bound 6.914000000000e+03, gap 0.0%