Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:58:48 2013

Optimize a model with 1100 rows, 100100 columns and 200100 nonzeros
Presolve time: 0.20s
Presolved: 1100 rows, 100100 columns, 200100 nonzeros
Variable types: 100000 continuous, 100 integer (100 binary)

Root relaxation: objective 1.397679e+05, 3784 iterations, 0.14 seconds

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

     0     0 139767.945    0   11          - 139767.945     -      -    0s
H    0     0                    153770.00000 139767.945  9.11%     -    0s
H    0     0                    146377.00000 139767.945  4.52%     -    0s
     0     0 140637.886    0    9 146377.000 140637.886  3.92%     -    1s
     0     0 140716.641    0    9 146377.000 140716.641  3.87%     -    1s
     0     0 140731.948    0    8 146377.000 140731.948  3.86%     -    1s
     0     0 140734.815    0    9 146377.000 140734.815  3.85%     -    1s
     0     0 140736.726    0    8 146377.000 140736.726  3.85%     -    2s
     0     0 140738.624    0    8 146377.000 140738.624  3.85%     -    2s
     0     0 140739.302    0    8 146377.000 140739.302  3.85%     -    2s
H    0     0                    141852.00000 140739.302  0.78%     -    3s
     0     0 140739.302    0   11 141852.000 140739.302  0.78%     -    3s
     0     0 140739.302    0    9 141852.000 140739.302  0.78%     -    3s
     0     0 140739.302    0    9 141852.000 140739.302  0.78%     -    3s
     0     0 140739.302    0    8 141852.000 140739.302  0.78%     -    4s
     0     0 140739.302    0    9 141852.000 140739.302  0.78%     -    4s
     0     0 140739.302    0    8 141852.000 140739.302  0.78%     -    4s
     0     0 140739.302    0    9 141852.000 140739.302  0.78%     -    4s
     0     0 140739.647    0    8 141852.000 140739.647  0.78%     -    4s
     0     2 140759.341    0    8 141852.000 140759.341  0.77%     -    5s
H    8     8                    141273.00000 140807.132  0.33%  43.2    5s
*   18    10              15    141241.00000 140807.132  0.31%  58.4    5s
*   36    22              16    141126.00000 140818.039  0.22%  53.0    6s
*   37    21              16    141113.00000 140818.039  0.21%  52.3    6s
*   79    21              16    141045.00000 140881.609  0.12%  74.2    7s
H   84    12                    141013.00000 140896.000  0.08%  71.6    7s
*   90     8              15    140945.00000 140910.927  0.02%  71.2    8s

Cutting planes:
  Implied bound: 251
  Flow cover: 22

Explored 97 nodes (14866 simplex iterations) in 8.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.409450000000e+05, best bound 1.409370115744e+05, gap 0.0057%