Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:12:34 2013

Optimize a model with 5080 rows, 10265 columns and 35525 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.14s
Presolved: 5075 rows, 10260 columns, 30520 nonzeros
Variable types: 5260 continuous, 5000 integer (5000 binary)

Root relaxation: objective 1.024210e+04, 47 iterations, 0.00 seconds

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

     0     0 10242.1039    0    2          - 10242.1039     -      -    1s
     0     0 10248.5557    0    2          - 10248.5557     -      -    1s
     0     0 10251.0183    0    3          - 10251.0183     -      -    1s
     0     0 10251.0854    0    2          - 10251.0854     -      -    1s
     0     0 10251.2108    0    3          - 10251.2108     -      -    1s
     0     0 10252.9839    0    2          - 10252.9839     -      -    1s
     0     0 10254.1859    0    4          - 10254.1859     -      -    1s
     0     0 10254.5566    0    2          - 10254.5566     -      -    1s
     0     0 10255.1349    0    6          - 10255.1349     -      -    1s
     0     0 10255.3923    0    3          - 10255.3923     -      -    1s
     0     0 10255.4343    0    7          - 10255.4343     -      -    1s
     0     0 10256.8352    0    7          - 10256.8352     -      -    1s
     0     0 10256.8352    0    7          - 10256.8352     -      -    1s
     0     2 10256.8352    0    7          - 10256.8352     -      -    2s
*   23     3              12    10336.399002 10336.3989  0.00%   161    2s

Cutting planes:
  Gomory: 2
  Implied bound: 10
  Flow cover: 3

Explored 24 nodes (3833 simplex iterations) in 2.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.033639900200e+04, best bound 1.033639888693e+04, gap 0.0000%