Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:13:02 2013

Optimize a model with 69803 rows, 68973 columns and 275643 nonzeros
Presolve removed 4318 rows and 0 columns
Presolve time: 0.45s
Presolved: 65485 rows, 68973 columns, 267007 nonzeros
Variable types: 68890 continuous, 83 integer (83 binary)

Root relaxation: objective 1.020559e+05, 15611 iterations, 3.17 seconds

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

     0     0 102055.908    0    4          - 102055.908     -      -    3s
H    0     0                    102802.00000 102055.908  0.73%     -    4s
H    0     0                    102421.00000 102055.908  0.36%     -    4s
H    0     0                    102286.00000 102055.908  0.22%     -    4s
     0     0 102056.490    0    5 102286.000 102056.490  0.22%     -    4s
     0     0 102056.490    0    4 102286.000 102056.490  0.22%     -    6s
     0     0 102056.502    0    5 102286.000 102056.502  0.22%     -    6s
     0     0 102057.054    0    5 102286.000 102057.054  0.22%     -    7s
     0     0 102057.066    0    5 102286.000 102057.066  0.22%     -    7s
     0     2 102060.206    0    5 102286.000 102060.206  0.22%     -    7s
*   10     7               8    102237.00000 102141.969  0.09%  52.4    8s
*   18     3              10    102211.00000 102200.223  0.01%  32.6    8s

Cutting planes:
  Gomory: 1
  Flow cover: 7

Explored 21 nodes (20929 simplex iterations) in 8.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.022110000000e+05, best bound 1.022102500000e+05, gap 0.0007%