Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:38:10 2013

Optimize a model with 73185 rows, 72335 columns and 289085 nonzeros
Presolve removed 5616 rows and 0 columns
Presolve time: 0.47s
Presolved: 67569 rows, 72335 columns, 277853 nonzeros
Variable types: 72250 continuous, 85 integer (85 binary)

Root relaxation: objective 1.109791e+05, 19283 iterations, 4.80 seconds

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

     0     0 110979.118    0    5          - 110979.118     -      -    5s
H    0     0                    112291.00000 110979.118  1.17%     -    5s
     0     0 110979.570    0    7 112291.000 110979.570  1.17%     -    6s
     0     0 110979.640    0    6 112291.000 110979.640  1.17%     -    6s
     0     2 110983.486    0    6 112291.000 110983.486  1.16%     -    9s
H    5     5                    111657.00000 111035.029  0.56%  73.6   10s
H    8     8                    111297.21875 111035.029  0.24%   125   10s
*   17     5              16    111157.00000 111035.029  0.11%  91.3   11s
*   32    10              13    111143.00000 111065.178  0.07%  92.6   12s
*   34     9               7    111107.00000 111073.293  0.03%  89.8   12s

Cutting planes:
  Gomory: 2
  Flow cover: 4

Explored 41 nodes (22437 simplex iterations) in 12.94 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.111070000000e+05, best bound 1.110963333333e+05, gap 0.0096%