Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:48:03 2013

Optimize a model with 4280 rows, 8040 columns and 24020 nonzeros
Presolve removed 60 rows and 40 columns
Presolve time: 0.17s
Presolved: 4220 rows, 8000 columns, 19960 nonzeros
Variable types: 6020 continuous, 1980 integer (1980 binary)

Root relaxation: objective 3.600389e+04, 1508 iterations, 0.03 seconds

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

     0     0 36003.8892    0    2          - 36003.8892     -      -    0s
     0     0 36194.5283    0    5          - 36194.5283     -      -    0s
     0     0 36198.4723    0    3          - 36198.4723     -      -    0s
     0     2 36198.8236    0    3          - 36198.8236     -      -    0s
*   15    13              12    36202.395978 36200.5834  0.01%  13.4    0s

Cutting planes:
  Gomory: 2
  Flow cover: 5

Explored 16 nodes (1937 simplex iterations) in 0.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620239597844e+04, best bound 3.620058344003e+04, gap 0.0050%