Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:14:51 2013

Optimize a model with 83811 rows, 82901 columns and 331331 nonzeros
Presolve removed 4614 rows and 0 columns
Presolve time: 0.59s
Presolved: 79197 rows, 82901 columns, 322103 nonzeros
Variable types: 82810 continuous, 91 integer (91 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20112    1.2142076e+05   3.157678e+03   0.000000e+00      5s
   21942    1.2226321e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.222632e+05, 21942 iterations, 5.85 seconds

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

     0     0 122263.206    0    2          - 122263.206     -      -    6s
H    0     0                    123170.00000 122263.206  0.74%     -    6s
     0     0 122277.287    0    3 123170.000 122277.287  0.72%     -    7s
     0     0 122277.947    0    3 123170.000 122277.947  0.72%     -    8s
     0     0 122278.165    0    3 123170.000 122278.165  0.72%     -    8s
     0     0 122278.165    0    2 123170.000 122278.165  0.72%     -   16s
     0     0 122278.165    0    3 123170.000 122278.165  0.72%     -   17s
     0     0 122278.535    0    3 123170.000 122278.535  0.72%     -   17s
     0     2 122285.340    0    3 123170.000 122285.340  0.72%     -   20s
H    6     6                    122896.00000 122553.731  0.28%   177   21s
H    7     5                    122766.00000 122559.250  0.17%   157   21s
*   12     6              11    122667.00000 122559.500  0.09%   111   22s

Cutting planes:
  Gomory: 2
  Flow cover: 7

Explored 18 nodes (32939 simplex iterations) in 22.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.226670000000e+05, best bound 1.226670000000e+05, gap 0.0%