Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:34:23 2013

Optimize a model with 2625 rows, 625 columns and 8125 nonzeros
Presolve removed 502 rows and 318 columns
Presolve time: 0.02s
Presolved: 2123 rows, 307 columns, 6721 nonzeros
Variable types: 16 continuous, 291 integer (291 binary)
Found heuristic solution: objective 13692.000000
Found heuristic solution: objective 13108.000000
Found heuristic solution: objective 12837.000000

Root relaxation: objective 9.616625e+03, 2236 iterations, 0.04 seconds

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

     0     0 9616.62500    0   12 12837.0000 9616.62500  25.1%     -    0s
H    0     0                    9649.0000000 9616.62500  0.34%     -    0s
H    0     0                    9648.0000000 9616.62500  0.33%     -    0s
H    0     0                    9626.0000000 9616.62500  0.10%     -    0s
     0     0 9617.00000    0   12 9626.00000 9617.00000  0.09%     -    0s
     0     0 9617.00000    0   13 9626.00000 9617.00000  0.09%     -    0s
     0     0 9617.00000    0   15 9626.00000 9617.00000  0.09%     -    0s
     0     2 9617.00000    0   12 9626.00000 9617.00000  0.09%     -    0s
H    1     2                    9622.0000000 9617.00000  0.05%  61.0    0s

Cutting planes:
  Gomory: 11
  Cover: 2
  Implied bound: 2
  Clique: 2
  MIR: 12
  GUB cover: 2
  Zero half: 7

Explored 32 nodes (2981 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.622000000000e+03, best bound 9.622000000000e+03, gap 0.0%