Gurobi 5.6.3 (linux64) logging started Tue Oct  7 21:28:38 2014

Optimize a model with 20911 rows, 10507 columns and 52020 nonzeros
Presolve removed 102 rows and 0 columns
Presolve time: 0.23s
Presolved: 20809 rows, 10507 columns, 51918 nonzeros
Variable types: 1 continuous, 10506 integer (10506 binary)
Found heuristic solution: objective 1.0058898
Found heuristic solution: objective 0.9728987
Found heuristic solution: objective 0.6908208

Root relaxation: objective 3.970979e-03, 14914 iterations, 1.41 seconds

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

     0     0    0.00397    0 7660    0.69082    0.00397  99.4%     -    2s
H    0     0                       0.4128522    0.00397  99.0%     -    5s
H    0     0                       0.4057565    0.00397  99.0%     -    5s
     0     0    0.00690    0 3651    0.40576    0.00690  98.3%     -    8s
     0     0    0.01054    0 3634    0.40576    0.01054  97.4%     -   10s
H    0     0                       0.3941219    0.01054  97.3%     -   10s
H    0     0                       0.3885306    0.01054  97.3%     -   10s
     0     0    0.01117    0 3324    0.38853    0.01117  97.1%     -   11s
H    0     0                       0.3410653    0.01117  96.7%     -   11s
     0     0    0.01797    0 2498    0.34107    0.01797  94.7%     -   12s
     0     1    0.01797    0 2446    0.34107    0.01797  94.7%     -   44s
     2     2    0.01797    0 3651    0.34107    0.01797  94.7%  2096   48s
     4     3    0.02287    0 1985    0.34107    0.02287  93.3%  1048   51s
H    4     2                       0.3285477    0.02293  93.0%  1048   51s
H    4     2                       0.3252328    0.02293  92.9%  1048   51s
H    6     4                       0.3241617    0.03080  90.5%   698   53s
H    9     5                       0.3155851    0.03113  90.1%   466   55s
H   10     5                       0.2986851    0.03190  89.3%   419   55s
H   11     5                       0.2928441    0.03432  88.3%   381   56s
H   11     5                       0.2796169    0.03432  87.7%   381   56s
H   15     8                       0.2375966    0.03830  83.9%  3040   70s
    27    16    0.11523    0  756    0.23760    0.11523  51.5%  1689   75s
H   28    15                       0.2303862    0.11523  50.0%  1629   75s
H   28    14                       0.2230459    0.11523  48.3%  1629   75s
*   43    23              34       0.2217481    0.13683  38.3%  1587   76s
*   52    27              39       0.2129660    0.14913  30.0%  1365   76s
H   56    23                       0.2077993    0.14913  28.2%  1274   76s
*   63    16              44       0.2049162    0.14913  27.2%  1134   76s
*   64    15              45       0.2015756    0.14913  26.0%  1117   76s

Cutting planes:
  Gomory: 7
  MIR: 16
  Zero half: 1

Explored 79 nodes (146810 simplex iterations) in 77.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.015755527637e-01, best bound 2.015755527637e-01, gap 0.0%