Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:19:25 2013

Optimize a model with 858 rows, 60918 columns and 121758 nonzeros
Presolve time: 0.09s
Presolved: 858 rows, 60918 columns, 121758 nonzeros
Variable types: 60840 continuous, 78 integer (78 binary)

Root relaxation: objective 9.179740e+04, 2070 iterations, 0.07 seconds

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

     0     0 91797.3967    0   10          - 91797.3967     -      -    0s
H    0     0                    107526.00000 91797.3967  14.6%     -    0s
     0     0 92080.9770    0    7 107526.000 92080.9770  14.4%     -    0s
H    0     0                    104431.00000 92080.9770  11.8%     -    0s
     0     0 92168.4966    0    7 104431.000 92168.4966  11.7%     -    0s
     0     0 92193.7283    0    7 104431.000 92193.7283  11.7%     -    0s
H    0     0                    103814.00000 92193.7283  11.2%     -    0s
     0     0 92194.1590    0    7 103814.000 92194.1590  11.2%     -    0s
     0     0 92194.8230    0    7 103814.000 92194.8230  11.2%     -    0s
H    0     0                    103572.00000 92194.8230  11.0%     -    0s
     0     0 92195.0078    0    7 103572.000 92195.0078  11.0%     -    1s
H    0     0                    103503.00000 92195.0078  10.9%     -    1s
H    0     0                    92816.000000 92195.0078  0.67%     -    1s
     0     2 92212.3953    0    7 92816.0000 92212.3953  0.65%     -    1s
*   12     6              11    92591.000000 92283.8092  0.33%  71.0    1s

Cutting planes:
  Implied bound: 131
  Flow cover: 5

Explored 39 nodes (4494 simplex iterations) in 2.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.259100000000e+04, best bound 9.259100000000e+04, gap 0.0%