Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:10:16 2013

Optimize a model with 957 rows, 75777 columns and 151467 nonzeros
Presolve time: 0.12s
Presolved: 957 rows, 75777 columns, 151467 nonzeros
Variable types: 75690 continuous, 87 integer (87 binary)

Root relaxation: objective 9.301073e+04, 2202 iterations, 0.08 seconds

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

     0     0 93010.7295    0   13          - 93010.7295     -      -    0s
H    0     0                    105595.00000 93010.7295  11.9%     -    0s
H    0     0                    94126.000000 93010.7295  1.18%     -    0s
     0     0 93491.2989    0    8 94126.0000 93491.2989  0.67%     -    0s
     0     0 93595.2572    0   10 94126.0000 93595.2572  0.56%     -    0s
     0     0 93620.2577    0   10 94126.0000 93620.2577  0.54%     -    0s
     0     0 93620.2577    0   13 94126.0000 93620.2577  0.54%     -    1s
     0     0 93620.2577    0    7 94126.0000 93620.2577  0.54%     -    1s
     0     0 93620.2577    0    9 94126.0000 93620.2577  0.54%     -    1s
     0     0 93620.2577    0    8 94126.0000 93620.2577  0.54%     -    1s
     0     0 93630.7368    0    7 94126.0000 93630.7368  0.53%     -    1s
     0     0 93631.2651    0    8 94126.0000 93631.2651  0.53%     -    1s
     0     0 93634.8077    0    8 94126.0000 93634.8077  0.52%     -    1s
     0     0 93635.9414    0    8 94126.0000 93635.9414  0.52%     -    1s
     0     0 93635.9414    0    8 94126.0000 93635.9414  0.52%     -    2s
     0     2 93642.7255    0    8 94126.0000 93642.7255  0.51%     -    2s
*   20     8              19    93919.000000 93750.4141  0.18%  36.5    3s

Cutting planes:
  Implied bound: 171
  Flow cover: 15

Explored 70 nodes (7744 simplex iterations) in 3.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.391900000000e+04, best bound 9.391900000000e+04, gap 0.0%