Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:01:26 2013

Optimize a model with 902 rows, 67322 columns and 134562 nonzeros
Presolve time: 0.10s
Presolved: 902 rows, 67322 columns, 134562 nonzeros
Variable types: 67240 continuous, 82 integer (82 binary)

Root relaxation: objective 9.121569e+04, 2496 iterations, 0.09 seconds

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

     0     0 91215.6898    0    7          - 91215.6898     -      -    0s
H    0     0                    94034.000000 91215.6898  3.00%     -    0s
H    0     0                    91991.000000 91215.6898  0.84%     -    0s
     0     0 91543.9565    0    5 91991.0000 91543.9565  0.49%     -    0s
     0     0 91543.9565    0    7 91991.0000 91543.9565  0.49%     -    0s
     0     0 91544.7227    0    5 91991.0000 91544.7227  0.49%     -    1s
     0     0 91601.3241    0    6 91991.0000 91601.3241  0.42%     -    1s
     0     0 91608.7197    0    5 91991.0000 91608.7197  0.42%     -    1s
     0     0 91608.7197    0    5 91991.0000 91608.7197  0.42%     -    1s
     0     0 91608.7197    0    5 91991.0000 91608.7197  0.42%     -    1s
     0     0 91608.7197    0    5 91991.0000 91608.7197  0.42%     -    1s
     0     2 91612.8325    0    5 91991.0000 91612.8325  0.41%     -    1s
*    9     4               8    91919.000000 91764.5140  0.17%  74.8    2s

Cutting planes:
  Implied bound: 118
  Flow cover: 7

Explored 13 nodes (6442 simplex iterations) in 2.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.191900000000e+04, best bound 9.191900000000e+04, gap 0.0%