Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:50:06 2013

Optimize a model with 560 rows, 9300 columns and 48300 nonzeros
Presolve removed 20 rows and 1140 columns
Presolve time: 0.11s
Presolved: 540 rows, 8160 columns, 44300 nonzeros
Variable types: 8020 continuous, 140 integer (140 binary)

Root relaxation: objective 3.600389e+04, 475 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    8          - 36003.8892     -      -    0s
     0     0 36008.0929    0    8          - 36008.0929     -      -    0s
     0     0 36008.8208    0    8          - 36008.8208     -      -    0s
     0     0 36009.4380    0    8          - 36009.4380     -      -    0s
     0     0 36009.4380    0    8          - 36009.4380     -      -    0s
     0     2 36010.0348    0    8          - 36010.0348     -      -    0s
*   36    20              36    36238.447551 36046.3921  0.53%   6.0    0s
*   45     7               8    36202.395978 36116.7119  0.24%   6.5    0s

Cutting planes:
  Flow cover: 6

Explored 58 nodes (1032 simplex iterations) in 1.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620239597844e+04, best bound 3.620239597844e+04, gap 0.0%