Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:15:42 2013

Optimize a model with 1163 rows, 18676 columns and 1102419 nonzeros
Presolve removed 110 rows and 723 columns
Presolve time: 2.83s
Presolved: 1053 rows, 17953 columns, 1049059 nonzeros
Variable types: 0 continuous, 17953 integer (17953 binary)
Found heuristic solution: objective 10544.000000

Root relaxation: objective 7.945000e+03, 4453 iterations, 1.60 seconds

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

*    0     0               0    7945.0000000 7945.00000   0.0%     -    4s

Explored 0 nodes (4453 simplex iterations) in 4.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.945000000000e+03, best bound 7.945000000000e+03, gap 0.0%