Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:38:44 2013

Optimize a model with 2951 rows, 676 columns and 9126 nonzeros
Presolve removed 479 rows and 345 columns
Presolve time: 0.02s
Presolved: 2472 rows, 331 columns, 7692 nonzeros
Variable types: 12 continuous, 319 integer (319 binary)
Found heuristic solution: objective 17312.000000

Root relaxation: objective 1.337222e+04, 1783 iterations, 0.03 seconds

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

     0     0 13372.2222    0    6 17312.0000 13372.2222  22.8%     -    0s
H    0     0                    13376.000000 13372.2222  0.03%     -    0s
     0     0 13373.6357    0   14 13376.0000 13373.6357  0.02%     -    0s
H    0     0                    13375.000000 13373.6357  0.01%     -    0s
     0     0 13373.6357    0    6 13375.0000 13373.6357  0.01%     -    0s
     0     0     cutoff    0      13375.0000 13374.0134  0.01%     -    0s

Cutting planes:
  Gomory: 3
  Cover: 3
  Implied bound: 6
  Clique: 1
  MIR: 5

Explored 0 nodes (1865 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.337500000000e+04, best bound 1.337500000000e+04, gap 0.0%