Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:53:50 2013

Optimize a model with 101100 rows, 100100 columns and 400100 nonzeros
Presolve removed 3103 rows and 0 columns
Presolve time: 0.75s
Presolved: 97997 rows, 100100 columns, 393894 nonzeros
Variable types: 100000 continuous, 100 integer (100 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17876    1.2642702e+05   8.640171e+03   0.000000e+00      5s
   22711    1.3171271e+05   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 1.317127e+05, 22711 iterations, 8.29 seconds

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

     0     0 131712.707    0    2          - 131712.707     -      -    9s
H    0     0                    135198.00000 131712.707  2.58%     -    9s
     0     0 131715.229    0    3 135198.000 131715.229  2.58%     -   10s
     0     0 131715.229    0    3 135198.000 131715.229  2.58%     -   11s
     0     2 131722.408    0    3 135198.000 131722.408  2.57%     -   17s
H    1     1                    134179.48649 131722.408  1.83%   0.0   17s
H    3     3                    132054.00000 131797.338  0.19%   236   18s
H    4     3                    131960.17647 131800.854  0.12%   211   18s
    11     7 131921.864   10    1 131960.176 131803.757  0.12%   194   20s
H   16     1                    131932.00000 131828.930  0.08%   153   20s
*   17     1               6    131888.00000 131847.000  0.03%   145   20s
*   18     0               5    131848.00000 131848.000   0.0%   141   20s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 19 nodes (25347 simplex iterations) in 20.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.318480000000e+05, best bound 1.318480000000e+05, gap 0.0%