Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:25 2013

Optimize a model with 570 rows, 1760 columns and 4505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.05s
Presolved: 560 rows, 1745 columns, 3490 nonzeros
Variable types: 1250 continuous, 495 integer (495 binary)

Root relaxation: objective 1.121714e+04, 33 iterations, 0.00 seconds

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

     0     0 11217.1409    0    1          - 11217.1409     -      -    0s
     0     0 11217.4889    0    2          - 11217.4889     -      -    0s
     0     0 11217.5910    0    2          - 11217.5910     -      -    0s
     0     0 11217.5910    0    2          - 11217.5910     -      -    0s
     0     2 11217.9138    0    2          - 11217.9138     -      -    0s
*   92    42              87    11408.591725 11250.3997  1.39%   1.9    0s
*   97     0               4    11250.399719 11250.3997   0.0%   1.9    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 98 nodes (333 simplex iterations) in 0.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.125039971891e+04, best bound 1.125039971891e+04, gap 0.0%