Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:38:56 2013

Optimize a model with 803 rows, 53363 columns and 106653 nonzeros
Presolve time: 0.08s
Presolved: 803 rows, 53363 columns, 106653 nonzeros
Variable types: 53290 continuous, 73 integer (73 binary)

Root relaxation: objective 8.680614e+04, 2098 iterations, 0.07 seconds

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

     0     0 86806.1402    0    6          - 86806.1402     -      -    0s
H    0     0                    92334.000000 86806.1402  5.99%     -    0s
H    0     0                    87845.000000 86806.1402  1.18%     -    0s
     0     0 87074.2578    0    5 87845.0000 87074.2578  0.88%     -    0s
     0     0 87095.4020    0    5 87845.0000 87095.4020  0.85%     -    0s
     0     0 87095.4020    0    6 87845.0000 87095.4020  0.85%     -    0s
     0     0 87095.4020    0    5 87845.0000 87095.4020  0.85%     -    0s
     0     0 87095.4020    0    5 87845.0000 87095.4020  0.85%     -    0s
     0     0 87095.8783    0    4 87845.0000 87095.8783  0.85%     -    1s
     0     0 87095.8783    0    4 87845.0000 87095.8783  0.85%     -    1s
     0     0 87095.8783    0    4 87845.0000 87095.8783  0.85%     -    1s
H    0     0                    87338.000000 87095.8783  0.28%     -    1s
     0     1 87238.0714    0    3 87338.0000 87238.0714  0.11%     -    1s

Cutting planes:
  Implied bound: 111
  Flow cover: 5

Explored 2 nodes (5184 simplex iterations) in 1.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.733800000000e+04, best bound 8.733800000000e+04, gap 0.0%