Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:15:39 2013

Optimize a model with 83811 rows, 82901 columns and 331331 nonzeros
Presolve removed 3510 rows and 0 columns
Presolve time: 0.57s
Presolved: 80301 rows, 82901 columns, 324311 nonzeros
Variable types: 82810 continuous, 91 integer (91 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20248    1.3160954e+05   8.711986e+03   0.000000e+00      5s
   24675    1.3817263e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.381726e+05, 24675 iterations, 6.38 seconds

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

     0     0 138172.626    0    1          - 138172.626     -      -    7s
H    0     0                    138837.00000 138172.626  0.48%     -    7s
     0     0 138173.288    0    2 138837.000 138173.288  0.48%     -    7s
     0     0 138173.288    0    1 138837.000 138173.288  0.48%     -   14s
     0     0 138173.288    0    2 138837.000 138173.288  0.48%     -   15s
     0     0 138173.288    0    2 138837.000 138173.288  0.48%     -   15s
     0     2 138183.869    0    2 138837.000 138183.869  0.47%     -   17s
H    5     4                    138513.05455 138319.345  0.14%   245   18s
*   19     5              18    138368.00000 138338.309  0.02%  98.7   19s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 24 nodes (38680 simplex iterations) in 19.79 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.383680000000e+05, best bound 1.383640000000e+05, gap 0.0029%