Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:02:29 2013

Optimize a model with 737 rows, 44957 columns and 89847 nonzeros
Presolve time: 0.06s
Presolved: 737 rows, 44957 columns, 89847 nonzeros
Variable types: 44890 continuous, 67 integer (67 binary)

Root relaxation: objective 8.568456e+04, 2077 iterations, 0.06 seconds

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

     0     0 85684.5629    0    5          - 85684.5629     -      -    0s
H    0     0                    87872.000000 85684.5629  2.49%     -    0s
     0     0 85797.7740    0    3 87872.0000 85797.7740  2.36%     -    0s
H    0     0                    85983.000000 85797.7740  0.22%     -    0s
     0     0 85798.1630    0    4 85983.0000 85798.1630  0.21%     -    0s
     0     0 85798.1630    0    5 85983.0000 85798.1630  0.21%     -    0s
     0     0 85801.1634    0    2 85983.0000 85801.1634  0.21%     -    0s
     0     0 85801.4105    0    4 85983.0000 85801.4105  0.21%     -    0s
     0     0 85803.2841    0    3 85983.0000 85803.2841  0.21%     -    0s
     0     0 85803.2841    0    3 85983.0000 85803.2841  0.21%     -    0s
     0     0 85803.2841    0    3 85983.0000 85803.2841  0.21%     -    0s
     0     0 85803.2841    0    3 85983.0000 85803.2841  0.21%     -    0s
     0     0 85804.0966    0    2 85983.0000 85804.0966  0.21%     -    1s
     0     2 85807.5496    0    2 85983.0000 85807.5496  0.20%     -    1s
H    5     2                    85886.000000 85846.3776  0.05%  44.8    1s
*    6     0               5    85858.000000 85858.0000   0.0%  48.8    1s

Cutting planes:
  Implied bound: 62
  Flow cover: 5

Explored 7 nodes (4793 simplex iterations) in 1.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.585800000000e+04, best bound 8.585800000000e+04, gap 0.0%