Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:49:36 2014

Optimize a model with 6084 rows, 6007 columns and 23793 nonzeros
Presolve time: 0.13s
Presolved: 6084 rows, 6007 columns, 23793 nonzeros
Variable types: 1 continuous, 6006 integer (6006 binary)
Found heuristic solution: objective 0.9141697
Found heuristic solution: objective 0.9088005
Found heuristic solution: objective 0.8806392

Root relaxation: objective 1.424043e-01, 2638 iterations, 0.21 seconds

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

     0     0    0.14240    0  621    0.88064    0.14240  83.8%     -    0s
H    0     0                       0.5988111    0.14240  76.2%     -    0s
H    0     0                       0.2216616    0.14240  35.8%     -    0s
     0     0    0.15858    0  359    0.22166    0.15858  28.5%     -    0s
     0     0    0.15858    0  341    0.22166    0.15858  28.5%     -    0s
     0     0    0.17300    0  311    0.22166    0.17300  22.0%     -    1s
     0     0    0.17770    0  368    0.22166    0.17770  19.8%     -    1s
H    0     0                       0.2213622    0.17770  19.7%     -    1s
     0     0    0.19689    0  289    0.22136    0.19689  11.1%     -    1s
     0     0    0.19698    0  223    0.22136    0.19698  11.0%     -    1s
     0     1    0.19698    0  223    0.22136    0.19698  11.0%     -    1s

Explored 3 nodes (10431 simplex iterations) in 1.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.213622127623e-01, best bound 2.213622127623e-01, gap 0.0%