Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:33:30 2013

Optimize a model with 2090 rows, 361190 columns and 722190 nonzeros
Presolve time: 1.75s
Presolved: 2090 rows, 361190 columns, 722190 nonzeros
Variable types: 361000 continuous, 190 integer (190 binary)

Root relaxation: objective 3.959578e+05, 11183 iterations, 1.39 seconds

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

     0     0 395957.814    0    5          - 395957.814     -      -    3s
H    0     0                    419827.00000 395957.814  5.69%     -    4s
     0     0 396126.752    0    4 419827.000 396126.752  5.65%     -    6s
     0     0 396148.236    0    4 419827.000 396148.236  5.64%     -    7s
     0     0 396173.594    0    3 419827.000 396173.594  5.63%     -    8s
     0     0 396173.594    0    3 419827.000 396173.594  5.63%     -    8s
     0     0 396187.120    0    4 419827.000 396187.120  5.63%     -    9s
     0     0 396194.232    0    4 419827.000 396194.232  5.63%     -   10s
     0     0 396194.393    0    3 419827.000 396194.393  5.63%     -   11s
     0     0 396194.809    0    3 419827.000 396194.809  5.63%     -   12s
     0     0 396196.990    0    3 419827.000 396196.990  5.63%     -   13s
     0     0 396201.581    0    3 419827.000 396201.581  5.63%     -   14s
H    0     0                    419673.00000 396201.581  5.59%     -   14s
     0     0 396201.581    0    3 419673.000 396201.581  5.59%     -   14s
     0     0 396201.581    0    3 419673.000 396201.581  5.59%     -   15s
     0     0 396201.581    0    3 419673.000 396201.581  5.59%     -   16s
     0     0 396201.581    0    3 419673.000 396201.581  5.59%     -   17s
     0     2 396214.844    0    3 419673.000 396214.844  5.59%     -   19s
H    1     1                    408716.38727 396214.844  3.06%   0.0   20s
H    2     2                    407262.30714 396225.231  2.71%  62.0   21s
H    3     3                    406589.76106 396292.990  2.53%   200   21s
H    4     4                    397927.65487 396327.566  0.40%   176   22s
H    5     5                    397568.00000 396330.895  0.31%   181   22s
H    6     5                    397280.00000 396330.895  0.24%   166   23s
H   14     7                    396793.00000 396330.895  0.12%   115   24s
H   15     7                    396773.00000 396330.895  0.11%   108   24s
*   18     7              17    396717.00000 396330.895  0.10%  93.1   25s
*   41     5              12    396643.00000 396529.427  0.03%   114   28s

Cutting planes:
  Implied bound: 204
  Flow cover: 6

Explored 46 nodes (17038 simplex iterations) in 29.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.966430000000e+05, best bound 3.966344000000e+05, gap 0.0022%