Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:52:04 2014

Optimize a model with 6561 rows, 6481 columns and 25680 nonzeros
Presolve time: 0.15s
Presolved: 6561 rows, 6481 columns, 25680 nonzeros
Variable types: 1 continuous, 6480 integer (6480 binary)
Found heuristic solution: objective 1.0280166
Found heuristic solution: objective 1.0090026
Found heuristic solution: objective 0.9581069

Root relaxation: objective 1.437940e-01, 2614 iterations, 0.20 seconds

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

     0     0    0.14379    0  743    0.95811    0.14379  85.0%     -    0s
H    0     0                       0.4498977    0.14379  68.0%     -    0s
     0     0    0.14503    0  702    0.44990    0.14503  67.8%     -    0s
     0     0    0.14503    0  739    0.44990    0.14503  67.8%     -    1s
H    0     0                       0.4144067    0.14503  65.0%     -    1s
H    0     0                       0.3697733    0.14503  60.8%     -    1s
     0     0    0.14504    0  679    0.36977    0.14504  60.8%     -    1s
H    0     0                       0.3504064    0.14504  58.6%     -    1s
     0     2    0.14708    0  679    0.35041    0.14708  58.0%     -    6s
H    1     2                       0.2434313    0.14708  39.6%   685    6s
H    3     3                       0.2305648    0.18931  17.9%   228    6s
H    3     3                       0.2232090    0.18931  15.2%   228    6s
H    3     3                       0.2200544    0.18931  14.0%   228    6s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  MIR: 15

Explored 5 nodes (15571 simplex iterations) in 6.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200543824619e-01, best bound 2.200543824619e-01, gap 0.0%