Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:20:30 2013

Optimize a model with 1010 rows, 17858 columns and 796390 nonzeros
Presolve removed 58 rows and 235 columns (presolve time = 5s) ...
Presolve removed 58 rows and 235 columns
Presolve time: 5.16s
Presolved: 952 rows, 17623 columns, 785032 nonzeros
Variable types: 0 continuous, 17623 integer (17623 binary)
Found heuristic solution: objective 9681.0000000

Root relaxation: objective 6.257000e+03, 3239 iterations, 0.93 seconds

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

*    0     0               0    6257.0000000 6257.00000   0.0%     -    6s

Explored 0 nodes (3239 simplex iterations) in 6.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.257000000000e+03, best bound 6.257000000000e+03, gap 0.0%