Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:13:10 2013

Optimize a model with 170 rows, 5315 columns and 60670 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.11s
Presolved: 165 rows, 5310 columns, 55665 nonzeros
Variable types: 5260 continuous, 50 integer (50 binary)

Root relaxation: objective 1.309958e+04, 67 iterations, 0.00 seconds

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

     0     0 13099.5797    0    3          - 13099.5797     -      -    0s
     0     0 13099.6047    0    3          - 13099.6047     -      -    0s
     0     0 13099.6084    0    3          - 13099.6084     -      -    0s
     0     0 13125.3560    0    3          - 13125.3560     -      -    0s
     0     0 13128.4399    0    3          - 13128.4399     -      -    0s
     0     0 13129.6267    0    3          - 13129.6267     -      -    0s
     0     0 13129.6267    0    3          - 13129.6267     -      -    0s
     0     0 13129.6267    0    3          - 13129.6267     -      -    0s
     0     0 13129.6285    0    3          - 13129.6285     -      -    0s
     0     0 13129.6290    0    3          - 13129.6290     -      -    0s
     0     0 13129.6290    0    3          - 13129.6290     -      -    0s
     0     2 13129.6605    0    3          - 13129.6605     -      -    1s
*   15     5              14    13140.944386 13129.6605  0.09%   4.2    1s
*   24     3               6    13130.104275 13129.6664  0.00%   3.3    1s

Cutting planes:
  Flow cover: 1

Explored 25 nodes (371 simplex iterations) in 1.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.313010427463e+04, best bound 1.312966636143e+04, gap 0.0033%