Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:43:41 2013

Optimize a model with 3303 rows, 729 columns and 10206 nonzeros
Presolve removed 488 rows and 371 columns
Presolve time: 0.02s
Presolved: 2815 rows, 358 columns, 8733 nonzeros
Variable types: 12 continuous, 346 integer (346 binary)
Found heuristic solution: objective 12865.000000

Root relaxation: objective 8.792833e+03, 1469 iterations, 0.04 seconds

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

     0     0 8792.83333    0   12 12865.0000 8792.83333  31.7%     -    0s
H    0     0                    8815.0000000 8792.83333  0.25%     -    0s
H    0     0                    8811.0000000 8792.83333  0.21%     -    0s
     0     0 8793.20833    0   14 8811.00000 8793.20833  0.20%     -    0s
     0     0 8793.20833    0   11 8811.00000 8793.20833  0.20%     -    0s
     0     0 8793.20833    0   23 8811.00000 8793.20833  0.20%     -    0s
     0     0 8793.20833    0   14 8811.00000 8793.20833  0.20%     -    0s
H    0     0                    8807.0000000 8793.20833  0.16%     -    0s
     0     0 8793.23210    0   23 8807.00000 8793.23210  0.16%     -    0s
H    0     0                    8806.0000000 8793.23210  0.14%     -    0s
H    0     0                    8800.0000000 8793.23210  0.08%     -    0s
     0     2 8793.31589    0   23 8800.00000 8793.31589  0.08%     -    0s
H  284   110                    8799.0000000 8794.85419  0.05%  13.8    0s

Cutting planes:
  Gomory: 6
  Cover: 40
  Clique: 1
  MIR: 52
  GUB cover: 1
  Zero half: 17

Explored 2079 nodes (23381 simplex iterations) in 1.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.799000000000e+03, best bound 8.799000000000e+03, gap 0.0%