Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:54 2013

Optimize a model with 480 rows, 4560 columns and 11180 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.01s
Presolved: 460 rows, 4540 columns, 10760 nonzeros
Variable types: 4440 continuous, 100 integer (100 binary)

Root relaxation: objective 3.600389e+04, 463 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 36024.1528    0    9          - 36024.1528     -      -    0s
     0     0 36028.8843    0    9          - 36028.8843     -      -    0s
     0     0 36028.8843    0    9          - 36028.8843     -      -    0s
     0     0 36028.8843    0    8          - 36028.8843     -      -    0s
     0     0 36029.0059    0    8          - 36029.0059     -      -    0s
     0     0 36029.0059    0    8          - 36029.0059     -      -    0s
H    0     0                    36232.698307 36029.0059  0.56%     -    0s
     0     2 36183.9614    0    3 36232.6983 36183.9614  0.13%     -    0s
*    4     2               4    36202.337419 36183.9614  0.05%  19.0    0s

Cutting planes:
  Gomory: 1
  Flow cover: 5

Explored 7 nodes (694 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620233741901e+04, best bound 3.620233741901e+04, gap 0.0%