Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:05:13 2013

Optimize a model with 5700 rows, 40100 columns and 90050 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.31s
Presolved: 5600 rows, 39950 columns, 79900 nonzeros
Variable types: 35000 continuous, 4950 integer (4950 binary)

Root relaxation: objective 1.824192e+05, 3719 iterations, 0.17 seconds

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

     0     0 182419.206    0    1          - 182419.206     -      -    0s
     0     0 182698.449    0    3          - 182698.449     -      -    1s
H    0     0                    182975.48108 182698.449  0.15%     -    1s
     0     0 182700.534    0    3 182975.481 182700.534  0.15%     -    1s
     0     0 182701.417    0    3 182975.481 182701.417  0.15%     -    1s
     0     0 182701.655    0    3 182975.481 182701.655  0.15%     -    1s
     0     0 182702.303    0    1 182975.481 182702.303  0.15%     -    1s
     0     0 182702.303    0    1 182975.481 182702.303  0.15%     -    2s
     0     2 182702.435    0    1 182975.481 182702.435  0.15%     -    2s
H   27     7                    182943.96310 182716.976  0.12%   3.8    3s
*   53    16              48    182879.22514 182716.976  0.09%   5.2    4s
   163    97 182813.717    9    3 182879.225 182761.828  0.06%   4.3    5s
   698   112 182875.226   12    1 182879.225 182844.373  0.02%   7.7   10s

Cutting planes:
  Gomory: 1
  Flow cover: 12

Explored 919 nodes (12424 simplex iterations) in 11.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.828792251419e+05, best bound 1.828610983393e+05, gap 0.0099%