Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:34:10 2013

Optimize a model with 1500 rows, 35550 columns and 151400 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.20s
Presolved: 1450 rows, 35500 columns, 141350 nonzeros
Variable types: 35100 continuous, 400 integer (400 binary)

Root relaxation: objective 1.959342e+05, 2413 iterations, 0.09 seconds

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

     0     0 195934.242    0    9          - 195934.242     -      -    0s
     0     0 195943.554    0    9          - 195943.554     -      -    0s
     0     0 195944.205    0   10          - 195944.205     -      -    0s
     0     0 195944.205    0   10          - 195944.205     -      -    0s
     0     0 195944.205    0   10          - 195944.205     -      -    0s
     0     0 195944.205    0   10          - 195944.205     -      -    0s
     0     0 195944.392    0   10          - 195944.392     -      -    1s
     0     0 195944.392    0   10          - 195944.392     -      -    1s
     0     0 195944.392    0   10          - 195944.392     -      -    1s
     0     2 195959.053    0   10          - 195959.053     -      -    2s
*   42    15              41    196588.54354 196032.488  0.28%  19.8    4s
*   68     9              11    196570.65000 196251.278  0.16%  24.5    4s
*  106    12              33    196565.59018 196543.204  0.01%  20.3    4s
   109     9 196550.683   11    6 196565.590 196550.683  0.01%  20.2    5s

Cutting planes:
  Flow cover: 9

Explored 110 nodes (5531 simplex iterations) in 5.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.965655901821e+05, best bound 1.965506830591e+05, gap 0.0076%