Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:52:26 2013

Optimize a model with 11521 rows, 1681 columns and 35301 nonzeros
Presolve removed 1830 rows and 871 columns
Presolve time: 0.07s
Presolved: 9691 rows, 810 columns, 29719 nonzeros
Variable types: 17 continuous, 793 integer (793 binary)
Found heuristic solution: objective 43031.000000

Root relaxation: objective 3.528404e+04, 2460 iterations, 0.10 seconds

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

     0     0 35284.0385    0    4 43031.0000 35284.0385  18.0%     -    0s
H    0     0                    35287.000000 35284.0385  0.01%     -    0s

Explored 0 nodes (2476 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.528700000000e+04, best bound 3.528500000000e+04, gap 0.0057%