Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:44 2013

Optimize a model with 380 rows, 4340 columns and 8820 nonzeros
Presolve removed 40 rows and 60 columns
Presolve time: 0.01s
Presolved: 340 rows, 4280 columns, 8560 nonzeros
Variable types: 4200 continuous, 80 integer (80 binary)

Root relaxation: objective 3.573401e+04, 434 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 35762.8183    0    3          - 35762.8183     -      -    0s
     0     0 35776.2159    0    3          - 35776.2159     -      -    0s
     0     0 35778.4667    0    3          - 35778.4667     -      -    0s
     0     0 35780.5217    0    3          - 35780.5217     -      -    0s
     0     0 35787.8616    0    3          - 35787.8616     -      -    0s
     0     0 35787.9596    0    3          - 35787.9596     -      -    0s
     0     0 35791.4754    0    3          - 35791.4754     -      -    0s
     0     0 35791.4754    0    3          - 35791.4754     -      -    0s
     0     0 35791.5311    0    3          - 35791.5311     -      -    0s
     0     0 35791.5311    0    3          - 35791.5311     -      -    0s
H    0     0                    36169.916351 35791.5311  1.05%     -    0s
     0     2 35837.7704    0    3 36169.9164 35837.7704  0.92%     -    0s

Cutting planes:
  Flow cover: 19

Explored 17 nodes (947 simplex iterations) in 0.18 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%