Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:28:44 2013

Optimize a model with 1980 rows, 324180 columns and 648180 nonzeros
Presolve time: 0.86s
Presolved: 1980 rows, 324180 columns, 648180 nonzeros
Variable types: 324000 continuous, 180 integer (180 binary)

Root relaxation: objective 3.997773e+05, 12500 iterations, 1.21 seconds

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

     0     0 399777.254    0    7          - 399777.254     -      -    2s
H    0     0                    434349.00000 399777.254  7.96%     -    2s
     0     0 400303.551    0    5 434349.000 400303.551  7.84%     -    4s
H    0     0                    426381.00526 400303.551  6.12%     -    4s
H    0     0                    424916.00000 400303.551  5.79%     -    4s
     0     0 400336.539    0    4 424916.000 400336.539  5.78%     -    5s
H    0     0                    422863.73214 400336.539  5.33%     -    5s
H    0     0                    421329.00000 400336.539  4.98%     -    6s
     0     0 400344.455    0    5 421329.000 400344.455  4.98%     -    6s
H    0     0                    421228.00000 400344.455  4.96%     -    6s
     0     0 400346.174    0    5 421228.000 400346.174  4.96%     -    7s
H    0     0                    421178.00000 400346.174  4.95%     -    7s
     0     0 400346.854    0    4 421178.000 400346.854  4.95%     -    8s
H    0     0                    421169.00000 400346.854  4.94%     -    8s
     0     0 400346.935    0    3 421169.000 400346.935  4.94%     -    8s
H    0     0                    408943.87083 400346.935  2.10%     -    8s
H    0     0                    407991.00000 400346.935  1.87%     -    9s
H    0     0                    407868.00000 400346.935  1.84%     -   11s
     0     0 400346.935    0    7 407868.000 400346.935  1.84%     -   13s
     0     0 400346.935    0    5 407868.000 400346.935  1.84%     -   14s
     0     0 400346.935    0    4 407868.000 400346.935  1.84%     -   15s
     0     0 400346.935    0    5 407868.000 400346.935  1.84%     -   16s
     0     0 400346.935    0    4 407868.000 400346.935  1.84%     -   16s
     0     0 400346.935    0    4 407868.000 400346.935  1.84%     -   17s
     0     0 400346.935    0    4 407868.000 400346.935  1.84%     -   17s
     0     0 400346.935    0    3 407868.000 400346.935  1.84%     -   18s
     0     0 400346.935    0    3 407868.000 400346.935  1.84%     -   19s
     0     2 400355.466    0    3 407868.000 400355.466  1.84%     -   20s
H   11    11                    402875.00000 400763.695  0.52%   252   24s
    12    14 401275.708   10    2 402875.000 400763.695  0.52%   256   25s
H   19    17                    401962.00000 400763.695  0.30%   197   26s
H   21    17                    401938.00000 400763.695  0.29%   183   26s
*   23    16              18    401770.00000 400763.695  0.25%   175   27s
H   38    21                    401473.00000 400809.734  0.17%   142   29s
*   40    22              12    401402.00000 400809.734  0.15%   143   29s
*   42    17              11    401279.00000 400809.734  0.12%   145   29s
    43    17 401169.868    2    5 401279.000 400870.853  0.10%   158   30s
H   84     7                    401221.00000 401071.366  0.04%   132   34s
    91     8 401118.654    4    2 401221.000 401118.654  0.03%   131   35s

Cutting planes:
  Implied bound: 335
  Flow cover: 6

Explored 100 nodes (36391 simplex iterations) in 35.79 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.012210000000e+05, best bound 4.011846709677e+05, gap 0.0091%