Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:16:15 2013

Optimize a model with 440 rows, 4340 columns and 9520 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.01s
Presolved: 420 rows, 4320 columns, 9300 nonzeros
Variable types: 4240 continuous, 80 integer (80 binary)

Root relaxation: objective 3.600389e+04, 455 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    6          - 36003.8892     -      -    0s
     0     0 36043.4270    0    6          - 36043.4270     -      -    0s
     0     0 36047.2590    0    7          - 36047.2590     -      -    0s
     0     0 36048.7780    0    6          - 36048.7780     -      -    0s
     0     0 36048.7780    0    6          - 36048.7780     -      -    0s
     0     0 36048.7780    0    6          - 36048.7780     -      -    0s
H    0     0                    36202.260249 36048.7780  0.42%     -    0s
     0     1 36184.5387    0    3 36202.2602 36184.5387  0.05%     -    0s

Cutting planes:
  Flow cover: 7

Explored 2 nodes (763 simplex iterations) in 0.11 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%