Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:51:45 2013

Optimize a model with 74906 rows, 74046 columns and 295926 nonzeros
Presolve removed 5686 rows and 0 columns
Presolve time: 0.49s
Presolved: 69220 rows, 74046 columns, 284554 nonzeros
Variable types: 73960 continuous, 86 integer (86 binary)

Root relaxation: objective 9.324948e+04, 14545 iterations, 3.60 seconds

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

     0     0 93249.4803    0    4          - 93249.4803     -      -    4s
H    0     0                    94477.000000 93249.4803  1.30%     -    4s
     0     0 93249.9045    0    5 94477.0000 93249.9045  1.30%     -    5s
     0     0 93250.3373    0    4 94477.0000 93250.3373  1.30%     -    5s
     0     0 93250.3373    0    4 94477.0000 93250.3373  1.30%     -    6s
H    0     0                    93557.000000 93250.3373  0.33%     -    8s
     0     0 93250.3373    0    4 93557.0000 93250.3373  0.33%     -   12s
     0     0 93250.4429    0    4 93557.0000 93250.4429  0.33%     -   12s
     0     0 93250.4429    0    4 93557.0000 93250.4429  0.33%     -   12s
     0     2 93257.4684    0    4 93557.0000 93257.4684  0.32%     -   14s
     3     3 93462.3013    3    2 93557.0000 93415.4781  0.15%   199   15s
*    5     2               5    93484.000000 93415.4781  0.07%   153   15s

Cutting planes:
  Gomory: 1
  Flow cover: 9

Explored 8 nodes (23483 simplex iterations) in 15.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.348400000000e+04, best bound 9.348400000000e+04, gap 0.0%