Gurobi 5.6.3 (linux64) logging started Tue Oct  7 23:52:38 2014

Optimize a model with 22801 rows, 22651 columns and 90150 nonzeros
Presolve time: 0.49s
Presolved: 22801 rows, 22651 columns, 90150 nonzeros
Variable types: 1 continuous, 22650 integer (22650 binary)
Found heuristic solution: objective 1.0735727
Found heuristic solution: objective 1.0319626
Found heuristic solution: objective 0.8975617

Root relaxation: objective 1.038405e-01, 6580 iterations, 1.56 seconds

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

     0     0    0.10384    0 1410    0.89756    0.10384  88.4%     -    2s
H    0     0                       0.3837635    0.10384  72.9%     -    2s
H    0     0                       0.2826827    0.10384  63.3%     -    2s
     0     0    0.10473    0 1398    0.28268    0.10473  63.0%     -    4s
     0     0    0.10473    0 1394    0.28268    0.10473  63.0%     -    5s
H    0     0                       0.2060220    0.10473  49.2%     -    5s
     0     0    0.10545    0 1321    0.20602    0.10545  48.8%     -    6s
     0     2    0.10545    0 1321    0.20602    0.10545  48.8%     -   24s
H    1     2                       0.1668331    0.10545  36.8%  1049   27s
H    3     3                       0.1665190    0.12107  27.3%   350   27s
H    4     3                       0.1664778    0.14405  13.5%   262   27s
H    4     3                       0.1656294    0.14405  13.0%   262   27s
*   28     2              24       0.1642659    0.15721  4.30%   547   28s

Cutting planes:
  Gomory: 1
  MIR: 1

Explored 31 nodes (36547 simplex iterations) in 28.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.642659390228e-01, best bound 1.642659390228e-01, gap 0.0%