Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:48 2013

Optimize a model with 400 rows, 4420 columns and 9340 nonzeros
Presolve removed 20 rows and 140 columns
Presolve time: 0.01s
Presolved: 380 rows, 4280 columns, 9140 nonzeros
Variable types: 4220 continuous, 60 integer (60 binary)

Root relaxation: objective 3.573401e+04, 386 iterations, 0.01 seconds

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

     0     0 35734.0139    0    3          - 35734.0139     -      -    0s
     0     0 35762.3985    0    3          - 35762.3985     -      -    0s
     0     0 35776.8078    0    3          - 35776.8078     -      -    0s
     0     0 35781.1381    0    3          - 35781.1381     -      -    0s
     0     0 35786.9075    0    3          - 35786.9075     -      -    0s
     0     0 35791.5183    0    3          - 35791.5183     -      -    0s
     0     0 35793.7551    0    3          - 35793.7551     -      -    0s
     0     0 35793.9979    0    3          - 35793.9979     -      -    0s
     0     0 35794.8296    0    3          - 35794.8296     -      -    0s
     0     0 35798.5676    0    3          - 35798.5676     -      -    0s
     0     0 35798.5676    0    3          - 35798.5676     -      -    0s
     0     0 35798.8189    0    3          - 35798.8189     -      -    0s
     0     0 35798.8189    0    3          - 35798.8189     -      -    0s
H    0     0                    36169.916351 35798.8189  1.03%     -    0s
     0     2 35813.5373    0    3 36169.9164 35813.5373  0.99%     -    0s

Cutting planes:
  Flow cover: 24

Explored 18 nodes (1068 simplex iterations) in 0.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.616991635074e+04, best bound 3.616991635074e+04, gap 0.0%