Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:16:05 2013

Optimize a model with 440 rows, 4760 columns and 10980 nonzeros
Presolve removed 20 rows and 260 columns
Presolve time: 0.01s
Presolved: 420 rows, 4500 columns, 10580 nonzeros
Variable types: 4420 continuous, 80 integer (80 binary)

Root relaxation: objective 3.600389e+04, 443 iterations, 0.01 seconds

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

     0     0 36003.8892    0    4          - 36003.8892     -      -    0s
     0     0 36043.4270    0    4          - 36043.4270     -      -    0s
     0     0 36053.8449    0    4          - 36053.8449     -      -    0s
     0     0 36054.9752    0    4          - 36054.9752     -      -    0s
     0     0 36054.9767    0    4          - 36054.9767     -      -    0s
     0     0 36054.9767    0    4          - 36054.9767     -      -    0s
H    0     0                    36202.260249 36054.9767  0.41%     -    0s
     0     1 36199.7033    0    3 36202.2602 36199.7033  0.01%     -    0s

Cutting planes:
  Flow cover: 5

Explored 1 nodes (666 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620226024891e+04, best bound 3.619970325776e+04, gap 0.0071%