Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:50:37 2013

Optimize a model with 560 rows, 6200 columns and 26500 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.04s
Presolved: 540 rows, 6180 columns, 24480 nonzeros
Variable types: 6040 continuous, 140 integer (140 binary)

Root relaxation: objective 3.600389e+04, 406 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 36008.0929    0    6          - 36008.0929     -      -    0s
     0     0 36009.2206    0    7          - 36009.2206     -      -    0s
     0     0 36009.2943    0    7          - 36009.2943     -      -    0s
     0     0 36009.2943    0    7          - 36009.2943     -      -    0s
H    0     0                    36395.495281 36009.2943  1.06%     -    0s
     0     1 36194.3863    0    6 36395.4953 36194.3863  0.55%     -    0s
*    7     5               7    36202.395978 36200.0307  0.01%  28.6    0s

Cutting planes:
  Flow cover: 6

Explored 8 nodes (785 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620239597844e+04, best bound 3.620003070933e+04, gap 0.0065%