Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:52:52 2013

Optimize a model with 87513 rows, 86583 columns and 346053 nonzeros
Presolve removed 5662 rows and 0 columns
Presolve time: 0.61s
Presolved: 81851 rows, 86583 columns, 334729 nonzeros
Variable types: 86490 continuous, 93 integer (93 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18879    1.0782878e+05   4.365024e+01   0.000000e+00      5s
   18916    1.0782892e+05   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 1.078289e+05, 18916 iterations, 5.07 seconds

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

     0     0 107828.918    0    3          - 107828.918     -      -    5s
H    0     0                    109961.00000 107828.918  1.94%     -    6s
     0     0 107833.502    0    4 109961.000 107833.502  1.93%     -    7s
     0     0 107833.822    0    5 109961.000 107833.822  1.93%     -    7s
     0     2 107839.173    0    5 109961.000 107839.173  1.93%     -   12s
H    3     3                    109811.71429 107883.429  1.76%   163   13s
H    5     5                    108493.00000 107889.667  0.56%   132   14s
*    6     3               6    107894.00000 107894.000   0.0%   130   14s

Cutting planes:
  Gomory: 2
  Flow cover: 6

Explored 7 nodes (19907 simplex iterations) in 14.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.078940000000e+05, best bound 1.078940000000e+05, gap 0.0%