Gurobi 5.0.1 (linux64) logging started Wed Apr 24 13:17:58 2013

Optimize a model with 2640 rows, 576240 columns and 1152240 nonzeros
Presolve time: 2.11s
Presolved: 2640 rows, 576240 columns, 1152240 nonzeros
Variable types: 576000 continuous, 240 integer (240 binary)

Root relaxation: objective 5.655684e+05, 18863 iterations, 3.38 seconds

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

     0     0 565568.354    0    7          - 565568.354     -      -    5s
H    0     0                    607752.00000 565568.354  6.94%     -    8s
     0     0 565722.136    0    5 607752.000 565722.136  6.92%     -   11s
H    0     0                    604863.01816 565722.136  6.47%     -   11s
H    0     0                    604337.00000 565722.136  6.39%     -   11s
     0     0 565746.365    0    4 604337.000 565746.365  6.39%     -   13s
H    0     0                    603717.00000 565746.365  6.29%     -   13s
     0     0 565765.050    0    4 603717.000 565765.050  6.29%     -   14s
     0     0 565768.250    0    4 603717.000 565768.250  6.29%     -   16s
H    0     0                    603386.00000 565768.250  6.23%     -   16s
     0     0 565770.063    0    3 603386.000 565770.063  6.23%     -   17s
H    0     0                    592844.42981 565770.063  4.57%     -   17s
H    0     0                    591362.00000 565770.063  4.33%     -   18s
     0     0 565770.063    0    3 591362.000 565770.063  4.33%     -   19s
H    0     0                    591341.00000 565770.063  4.32%     -   19s
     0     0 565770.063    0    3 591341.000 565770.063  4.32%     -   20s
     0     0 565770.063    0    3 591341.000 565770.063  4.32%     -   21s
H    0     0                    591315.00000 565770.063  4.32%     -   22s
     0     0 565770.063    0    3 591315.000 565770.063  4.32%     -   23s
H    0     0                    584688.00000 565770.063  3.24%     -   29s
     0     2 565780.827    0    3 584688.000 565780.827  3.23%     -   29s
     1     3 565867.581    1    5 584688.000 565867.581  3.22%   267   31s
H    4     4                    571902.42991 565947.153  1.04%   148   33s
     8    10 566009.708    8    2 571902.430 565962.968  1.04%   129   35s
H    9     9                    569867.00000 565962.968  0.69%   114   35s
H   15    13                    566411.00000 565962.968  0.08%  82.0   37s
*   17     3              16    566062.00000 565962.968  0.02%  79.2   37s

Cutting planes:
  Implied bound: 109
  Flow cover: 4

Explored 21 nodes (21333 simplex iterations) in 38.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.660620000000e+05, best bound 5.660620000000e+05, gap 0.0%