Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:27:58 2013

Optimize a model with 95157 rows, 94187 columns and 376457 nonzeros
Presolve removed 6081 rows and 0 columns
Presolve time: 0.69s
Presolved: 89076 rows, 94187 columns, 364295 nonzeros
Variable types: 94090 continuous, 97 integer (97 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19500    1.2596176e+05   4.442379e+03   0.000000e+00      5s
   22572    1.2733921e+05   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 1.273392e+05, 22572 iterations, 6.84 seconds

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

     0     0 127339.205    0    2          - 127339.205     -      -    7s
H    0     0                    131671.00000 127339.205  3.29%     -    8s
     0     0 127356.380    0    4 131671.000 127356.380  3.28%     -    9s
     0     0 127356.380    0    4 131671.000 127356.380  3.28%     -    9s
H    0     0                    129758.42317 127356.380  1.85%     -   12s
H    0     0                    129578.32264 127356.380  1.71%     -   12s
     0     2 127366.766    0    3 129578.323 127366.766  1.71%     -   14s
     2     4 127431.145    2    2 129578.323 127431.145  1.66%   151   15s
H    3     3                    128818.31579 127431.145  1.08%   101   15s
H    6     6                    127853.00000 127706.748  0.11%   464   17s
H    7     3                    127813.71111 127706.748  0.08%   399   17s
*   10     4               8    127791.00000 127706.748  0.07%   289   17s

Cutting planes:
  Gomory: 2
  Flow cover: 1

Explored 20 nodes (26188 simplex iterations) in 18.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.277910000000e+05, best bound 1.277910000000e+05, gap 0.0%