Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:13:26 2013

Optimize a model with 69803 rows, 68973 columns and 275643 nonzeros
Presolve removed 7005 rows and 0 columns
Presolve time: 0.45s
Presolved: 62798 rows, 68973 columns, 261633 nonzeros
Variable types: 68890 continuous, 83 integer (83 binary)

Root relaxation: objective 9.919121e+04, 15698 iterations, 4.34 seconds

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

     0     0 99191.2131    0    1          - 99191.2131     -      -    4s
H    0     0                    99239.000000 99191.2131  0.05%     -    5s
     0     0 99191.8135    0    2 99239.0000 99191.8135  0.05%     -    5s
     0     0 99191.8135    0    1 99239.0000 99191.8135  0.05%     -    7s
     0     0 99191.8680    0    2 99239.0000 99191.8680  0.05%     -    7s
     0     0 99191.8680    0    2 99239.0000 99191.8680  0.05%     -    8s
     0     0 99200.8554    0    1 99239.0000 99200.8554  0.04%     -    8s
     0     0 99215.1429    0    1 99239.0000 99215.1429  0.02%     -    8s

Cutting planes:
  Flow cover: 3

Explored 0 nodes (20849 simplex iterations) in 8.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.923900000000e+04, best bound 9.923900000000e+04, gap 0.0%