Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:38:30 2013

Optimize a model with 64880 rows, 64080 columns and 256080 nonzeros
Presolve removed 5808 rows and 0 columns
Presolve time: 0.39s
Presolved: 59072 rows, 64080 columns, 244464 nonzeros
Variable types: 64000 continuous, 80 integer (80 binary)

Root relaxation: objective 1.004601e+05, 18475 iterations, 4.54 seconds

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

     0     0 100460.109    0    5          - 100460.109     -      -    5s
H    0     0                    102925.00000 100460.109  2.39%     -    5s
H    0     0                    101609.00000 100460.109  1.13%     -    5s
     0     0 100467.359    0    8 101609.000 100467.359  1.12%     -    6s
     0     0 100467.578    0    8 101609.000 100467.578  1.12%     -    6s
     0     0 100467.578    0    8 101609.000 100467.578  1.12%     -    7s
H    0     0                    101372.89189 100467.578  0.89%     -    9s
H    0     0                    101066.00000 100467.578  0.59%     -    9s
     0     0 100467.578    0    5 101066.000 100467.578  0.59%     -   14s
     0     0 100468.109    0    7 101066.000 100468.109  0.59%     -   15s
     0     0 100468.109    0    7 101066.000 100468.109  0.59%     -   15s
     0     2 100471.614    0    7 101066.000 100471.614  0.59%     -   18s
     7     5     cutoff    4      101066.000 100707.767  0.35%   450   20s

Cutting planes:
  Gomory: 3
  Flow cover: 9

Explored 24 nodes (33797 simplex iterations) in 21.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.010660000000e+05, best bound 1.010624566835e+05, gap 0.0035%