Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:31:57 2013

Optimize a model with 10800 rows, 45150 columns and 120250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.28s
Presolved: 10750 rows, 45100 columns, 110200 nonzeros
Variable types: 35100 continuous, 10000 integer (10000 binary)

Root relaxation: objective 1.959342e+05, 4100 iterations, 0.17 seconds

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

     0     0 195934.242    0    6          - 195934.242     -      -    0s
     0     0 196144.971    0    4          - 196144.971     -      -    0s
     0     0 196153.242    0    4          - 196153.242     -      -    1s
     0     0 196156.046    0    4          - 196156.046     -      -    1s
     0     0 196156.046    0    4          - 196156.046     -      -    1s
     0     0 196156.046    0    4          - 196156.046     -      -    1s
     0     0 196156.046    0    4          - 196156.046     -      -    1s
H    0     0                    196645.75907 196156.046  0.25%     -    1s
     0     2 196156.046    0    4 196645.759 196156.046  0.25%     -    2s
H   28     1                    196629.19504 196377.534  0.13%  34.0    3s
*   37     1              33    196570.65000 196377.534  0.10%  26.9    3s
    89     2 196555.494   51    2 196570.650 196531.864  0.02%  14.2    5s

Cutting planes:
  Gomory: 1
  Implied bound: 55
  Flow cover: 1

Explored 147 nodes (6882 simplex iterations) in 6.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.965706500001e+05, best bound 1.965526561689e+05, gap 0.0092%