Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:40:01 2013

Optimize a model with 91295 rows, 90345 columns and 361095 nonzeros
Presolve removed 6185 rows and 0 columns
Presolve time: 0.66s
Presolved: 85110 rows, 90345 columns, 348725 nonzeros
Variable types: 90250 continuous, 95 integer (95 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17748    1.1777318e+05   7.383791e+04   0.000000e+00      5s
   21732    1.2379966e+05   8.286706e+03   0.000000e+00     10s
   23356    1.2442414e+05   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 1.244241e+05, 23356 iterations, 12.52 seconds

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

     0     0 124424.136    0    3          - 124424.136     -      -   13s
H    0     0                    129368.00000 124424.136  3.82%     -   14s
H    0     0                    129262.00000 124424.136  3.74%     -   14s
     0     0 124426.507    0    4 129262.000 124426.507  3.74%     -   14s
     0     0 124426.507    0    4 129262.000 124426.507  3.74%     -   15s
H    0     0                    126952.89553 124426.507  1.99%     -   18s
H    0     0                    125917.10377 124426.507  1.18%     -   18s
H    0     0                    125520.00000 124426.507  0.87%     -   18s
     0     2 124426.762    0    4 125520.000 124426.762  0.87%     -   20s
     8    10 124813.111    7    1 125520.000 124555.185  0.77%   532   25s
H   11     8                    124886.00000 124555.185  0.26%   419   26s
H   29     1                    124866.00000 124844.476  0.02%   265   29s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 30 nodes (31086 simplex iterations) in 29.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.248660000000e+05, best bound 1.248542500000e+05, gap 0.0094%