Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:02:05 2013

Optimize a model with 25800 rows, 75150 columns and 225250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.91s
Presolved: 25750 rows, 75100 columns, 200200 nonzeros
Variable types: 50100 continuous, 25000 integer (25000 binary)

Root relaxation: objective 1.650739e+05, 4478 iterations, 0.29 seconds

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

     0     0 165073.856    0    4          - 165073.856     -      -    2s
     0     0 165309.335    0    8          - 165309.335     -      -    3s
     0     0 165344.156    0    6          - 165344.156     -      -    3s
     0     0 165350.397    0    6          - 165350.397     -      -    3s
     0     0 165350.397    0    6          - 165350.397     -      -    4s
     0     0 165350.397    0    6          - 165350.397     -      -    4s
     0     0 165350.397    0    6          - 165350.397     -      -    5s
     0     2 165350.397    0    6          - 165350.397     -      -   10s
*   38     8              19    165702.75502 165436.337  0.16%   123   12s
    69     2 165540.125   30    2 165702.755 165436.337  0.16%  69.6   15s
   139     2 165568.896  100    2 165702.755 165436.337  0.16%  36.2   20s
   208     2 165600.779  168    2 165702.755 165436.337  0.16%  26.7   25s
   279     2 165616.368  237    2 165702.755 165436.337  0.16%  21.8   30s
*  320     9             272    165622.04568 165436.337  0.11%  21.0   32s

Cutting planes:
  Gomory: 3
  Implied bound: 41
  Flow cover: 2

Explored 329 nodes (12511 simplex iterations) in 32.87 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.656220456789e+05, best bound 1.656220456789e+05, gap 0.0%