Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:17:02 2013

Optimize a model with 600 rows, 14440 columns and 96340 nonzeros
Presolve removed 20 rows and 2260 columns
Presolve time: 0.18s
Presolved: 580 rows, 12180 columns, 88340 nonzeros
Variable types: 12020 continuous, 160 integer (160 binary)

Root relaxation: objective 3.600389e+04, 472 iterations, 0.02 seconds

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

     0     0 36003.8892    0   10          - 36003.8892     -      -    0s
     0     0 36005.9884    0   10          - 36005.9884     -      -    0s
     0     0 36006.5599    0   10          - 36006.5599     -      -    0s
     0     0 36006.6625    0   10          - 36006.6625     -      -    0s
     0     0 36006.6625    0   10          - 36006.6625     -      -    0s
H    0     0                    42318.472753 36006.6625  14.9%     -    1s
     0     2 36006.6625    0   10 42318.4728 36006.6625  14.9%     -    1s
H   27    17                    36250.376373 36193.7706  0.16%  10.8    1s
*   45    17              11    36230.865426 36194.5359  0.10%   8.0    1s
H   54    11                    36214.182013 36197.6784  0.05%   7.3    1s
*   59    12              13    36209.104317 36197.6784  0.03%   6.9    1s
*   62    11              13    36208.217608 36197.6784  0.03%   6.6    1s
*   74    14              15    36205.767578 36201.1630  0.01%   6.0    1s
*   75    13              14    36205.395321 36201.1630  0.01%   6.0    1s
*   89     5              13    36202.552724 36201.3337  0.00%   5.3    1s

Cutting planes:
  Flow cover: 6

Explored 90 nodes (1204 simplex iterations) in 1.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620255272356e+04, best bound 3.620133370105e+04, gap 0.0034%