Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:12:05 2013

Optimize a model with 170 rows, 10550 columns and 130605 nonzeros
Presolve removed 5 rows and 245 columns
Presolve time: 0.38s
Presolved: 165 rows, 10305 columns, 120605 nonzeros
Variable types: 10255 continuous, 50 integer (50 binary)

Root relaxation: objective 1.309958e+04, 111 iterations, 0.01 seconds

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

     0     0 13099.5797    0    8          - 13099.5797     -      -    0s
     0     0 13099.6047    0    8          - 13099.6047     -      -    0s
     0     0 13099.6084    0    8          - 13099.6084     -      -    0s
     0     0 13129.6267    0    5          - 13129.6267     -      -    0s
     0     0 13129.6267    0    5          - 13129.6267     -      -    0s
H    0     0                    13195.437150 13129.6267  0.50%     -    0s
     0     0 13129.6267    0    5 13195.4371 13129.6267  0.50%     -    1s
     0     0 13129.6285    0    5 13195.4371 13129.6285  0.50%     -    1s
     0     0 13129.6290    0    5 13195.4371 13129.6290  0.50%     -    1s
     0     0 13129.6290    0    5 13195.4371 13129.6290  0.50%     -    1s
     0     2 13130.0207    0    5 13195.4371 13130.0207  0.50%     -    1s
*    8     2               6    13130.104275 13130.1028  0.00%  13.2    1s

Cutting planes:
  Flow cover: 1

Explored 9 nodes (681 simplex iterations) in 1.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.313010427463e+04, best bound 1.313010284519e+04, gap 0.0000%