Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:38:46 2013

Optimize a model with 197540 rows, 196140 columns and 784140 nonzeros
Presolve removed 8121 rows and 0 columns
Presolve time: 1.93s
Presolved: 189419 rows, 196140 columns, 767898 nonzeros
Variable types: 196000 continuous, 140 integer (140 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18339    1.2984597e+05   3.104088e+04   0.000000e+00      5s
   28573    1.7378441e+05   3.912676e+04   0.000000e+00     10s
   33333    1.8875851e+05   1.181433e+04   0.000000e+00     15s
   38847    1.9571590e+05   7.259620e+03   0.000000e+00     20s
   42034    1.9662541e+05   0.000000e+00   0.000000e+00     25s

Root relaxation: objective 1.966254e+05, 42034 iterations, 25.16 seconds

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

     0     0 196625.414    0    2          - 196625.414     -      -   27s
H    0     0                    201657.00000 196625.414  2.50%     -   30s
     0     0 196625.414    0    2 201657.000 196625.414  2.50%     -   32s
H    0     0                    197752.85000 196625.414  0.57%     -   37s
     0     0 196625.414    0    2 197752.850 196625.414  0.57%     -   57s
     0     0 196625.414    0    2 197752.850 196625.414  0.57%     -   58s
     0     0 196625.414    0    2 197752.850 196625.414  0.57%     -   59s
H    0     0                    197198.00000 196625.414  0.29%     -   64s
     0     2 196625.692    0    2 197198.000 196625.692  0.29%     -   65s
H    3     3                    196749.18182 196631.727  0.06%  66.7   66s
*    8     2               7    196725.00000 196699.044  0.01%  80.0   68s

Cutting planes:
  Flow cover: 4

Explored 10 nodes (62586 simplex iterations) in 68.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.967250000000e+05, best bound 1.967114488189e+05, gap 0.0069%