Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:57:05 2013

Optimize a model with 81990 rows, 81090 columns and 324090 nonzeros
Presolve removed 5941 rows and 0 columns
Presolve time: 0.57s
Presolved: 76049 rows, 81090 columns, 312208 nonzeros
Variable types: 81000 continuous, 90 integer (90 binary)

Root relaxation: objective 1.250299e+05, 17658 iterations, 4.37 seconds

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

     0     0 125029.905    0    6          - 125029.905     -      -    5s
H    0     0                    131462.00000 125029.905  4.89%     -    5s
     0     0 125034.236    0   10 131462.000 125034.236  4.89%     -    6s
     0     0 125034.236    0   10 131462.000 125034.236  4.89%     -    7s
     0     0 125034.488    0   10 131462.000 125034.488  4.89%     -    8s
H    0     0                    130761.71458 125034.488  4.38%     -   11s
H    0     0                    126715.36693 125034.488  1.33%     -   11s
H    0     0                    126546.22340 125034.488  1.19%     -   11s
     0     2 125053.864    0   10 126546.223 125053.864  1.18%     -   12s
H    4     4                    125777.39273 125157.223  0.49%   168   13s
    15    13 125347.805   12    1 125777.393 125157.223  0.49%   184   15s
H   17    11                    125639.00000 125157.223  0.38%   163   15s
H   18    11                    125432.00000 125157.223  0.22%   154   15s
*   25     8              22    125387.00000 125157.223  0.18%   139   16s

Cutting planes:
  Gomory: 4
  Flow cover: 2

Explored 52 nodes (25001 simplex iterations) in 18.96 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.253870000000e+05, best bound 1.253870000000e+05, gap 0.0%