Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:38:43 2013

Optimize a model with 2951 rows, 676 columns and 9126 nonzeros
Presolve removed 385 rows and 339 columns
Presolve time: 0.01s
Presolved: 2566 rows, 337 columns, 8020 nonzeros
Variable types: 14 continuous, 323 integer (323 binary)
Found heuristic solution: objective 13769.000000

Root relaxation: objective 9.718455e+03, 2160 iterations, 0.04 seconds

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

     0     0 9718.45485    0   11 13769.0000 9718.45485  29.4%     -    0s
H    0     0                    9738.0000000 9718.45485  0.20%     -    0s
H    0     0                    9736.0000000 9718.45485  0.18%     -    0s
H    0     0                    9727.0000000 9718.45485  0.09%     -    0s
     0     0 9719.24645    0   25 9727.00000 9719.24645  0.08%     -    0s
     0     0 9719.24645    0    9 9727.00000 9719.24645  0.08%     -    0s
     0     0 9719.25918    0   24 9727.00000 9719.25918  0.08%     -    0s
H    0     0                    9726.0000000 9719.25918  0.07%     -    0s
     0     0 9719.43854    0   28 9726.00000 9719.43854  0.07%     -    0s
     0     2 9719.73151    0   28 9726.00000 9719.73151  0.06%     -    0s
H    1     2                    9725.0000000 9719.73151  0.05%   0.0    0s

Cutting planes:
  Gomory: 5
  Cover: 4
  Implied bound: 2
  Clique: 3
  MIR: 13
  GUB cover: 6
  Zero half: 5

Explored 27 nodes (2891 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.725000000000e+03, best bound 9.725000000000e+03, gap 0.0%