Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:18:13 2013

Optimize a model with 1051 rows, 17722 columns and 881809 nonzeros
Presolve removed 79 rows and 597 columns
Presolve time: 4.82s
Presolved: 972 rows, 17125 columns, 845562 nonzeros
Variable types: 0 continuous, 17125 integer (17125 binary)
Found heuristic solution: objective 9659.0000000

Root relaxation: objective 7.004000e+03, 3931 iterations, 1.31 seconds

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

*    0     0               0    7004.0000000 7004.00000   0.0%     -    6s

Explored 0 nodes (3931 simplex iterations) in 6.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.004000000000e+03, best bound 7.004000000000e+03, gap 0.0%