Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:59:09 2013

Optimize a model with 68142 rows, 67322 columns and 269042 nonzeros
Presolve removed 3031 rows and 0 columns
Presolve time: 0.43s
Presolved: 65111 rows, 67322 columns, 262980 nonzeros
Variable types: 67240 continuous, 82 integer (82 binary)

Root relaxation: objective 1.068757e+05, 13547 iterations, 3.07 seconds

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

     0     0 106875.694    0    7          - 106875.694     -      -    3s
H    0     0                    110854.00000 106875.694  3.59%     -    4s
H    0     0                    107089.00000 106875.694  0.20%     -    4s
     0     0 106875.955    0    8 107089.000 106875.955  0.20%     -    4s
     0     0 106876.303    0    8 107089.000 106876.303  0.20%     -    5s
     0     0 107021.125    0    6 107089.000 107021.125  0.06%     -    6s
     0     0 107021.125    0    5 107089.000 107021.125  0.06%     -    9s
     0     0 107021.125    0    6 107089.000 107021.125  0.06%     -    9s
     0     0 107021.125    0    6 107089.000 107021.125  0.06%     -   10s
     0     0 107045.481    0    5 107089.000 107045.481  0.04%     -   10s
     0     2 107051.022    0    5 107089.000 107051.022  0.04%     -   11s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 9 nodes (19778 simplex iterations) in 11.58 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.070890000000e+05, best bound 1.070836805556e+05, gap 0.0050%