Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:30:01 2013

Optimize a model with 122210 rows, 121110 columns and 484110 nonzeros
Presolve removed 4960 rows and 0 columns
Presolve time: 0.96s
Presolved: 117250 rows, 121110 columns, 474190 nonzeros
Variable types: 121000 continuous, 110 integer (110 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20088    1.6547618e+05   1.768618e+04   0.000000e+00      5s
   27576    1.8347546e+05   1.761160e+03   0.000000e+00     10s
   29390    1.8409260e+05   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 1.840926e+05, 29390 iterations, 11.54 seconds

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

     0     0 184092.598    0    3          - 184092.598     -      -   12s
H    0     0                    190904.00000 184092.598  3.57%     -   13s
H    0     0                    184620.00000 184092.598  0.29%     -   14s
     0     0 184093.018    0    5 184620.000 184093.018  0.29%     -   14s
     0     0 184093.018    0    3 184620.000 184093.018  0.29%     -   26s
     0     0 184102.994    0    4 184620.000 184102.994  0.28%     -   27s
     0     0 184102.994    0    4 184620.000 184102.994  0.28%     -   27s
     0     2 184110.721    0    4 184620.000 184110.721  0.28%     -   31s
*   18     4              16    184558.00000 184335.219  0.12%   108   33s
*   29     0               8    184533.00000 184533.000   0.0%  96.8   34s

Cutting planes:
  Gomory: 2
  Flow cover: 4

Explored 30 nodes (46028 simplex iterations) in 34.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.845330000000e+05, best bound 1.845330000000e+05, gap 0.0%