Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:32 2013

Optimize a model with 1080 rows, 4840 columns and 11220 nonzeros
Presolve removed 60 rows and 40 columns
Presolve time: 0.03s
Presolved: 1020 rows, 4800 columns, 10360 nonzeros
Variable types: 4420 continuous, 380 integer (380 binary)

Root relaxation: objective 3.709539e+04, 682 iterations, 0.01 seconds

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

     0     0 37095.3933    0    4          - 37095.3933     -      -    0s
     0     0 37136.7558    0    2          - 37136.7558     -      -    0s
     0     0 37136.7558    0    2          - 37136.7558     -      -    0s
     0     0 37136.7558    0    2          - 37136.7558     -      -    0s
H    0     0                    37291.650431 37136.7558  0.42%     -    0s
     0     2 37178.1829    0    2 37291.6504 37178.1829  0.30%     -    0s
H    7     7                    37258.664853 37211.5814  0.13%   4.6    0s
*   10     7               8    37253.378676 37211.5814  0.11%   4.9    0s

Cutting planes:
  Gomory: 3
  Flow cover: 12

Explored 33 nodes (933 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.725337867584e+04, best bound 3.725337867584e+04, gap 0.0%