Gurobi 5.6.3 (linux64) logging started Tue Oct  7 21:06:13 2014

Optimize a model with 8464 rows, 8373 columns and 33215 nonzeros
Presolve time: 0.15s
Presolved: 8464 rows, 8373 columns, 33215 nonzeros
Variable types: 1 continuous, 8372 integer (8372 binary)
Found heuristic solution: objective 1.0296439
Found heuristic solution: objective 0.9158408
Found heuristic solution: objective 0.7051001

Root relaxation: objective 1.201917e-01, 2970 iterations, 0.28 seconds

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

     0     0    0.12019    0  746    0.70510    0.12019  83.0%     -    0s
H    0     0                       0.3303929    0.12019  63.6%     -    0s
H    0     0                       0.3263085    0.12019  63.2%     -    0s
     0     0    0.12113    0  748    0.32631    0.12113  62.9%     -    1s
     0     0    0.12113    0  737    0.32631    0.12113  62.9%     -    1s
H    0     0                       0.2990209    0.12113  59.5%     -    1s
     0     0    0.12113    0  760    0.29902    0.12113  59.5%     -    1s
H    0     0                       0.2867179    0.12113  57.8%     -    1s
H    0     0                       0.2318300    0.12113  47.8%     -    1s
     0     0    0.12222    0  708    0.23183    0.12222  47.3%     -    1s
     0     2    0.12232    0  708    0.23183    0.12232  47.2%     -    5s
H    1     2                       0.1976146    0.12232  38.1%   517    6s
H    8     6                       0.1973549    0.15485  21.5%  64.6    7s
H   10     7                       0.1969835    0.16616  15.6%  51.7    7s
H   10     6                       0.1881523    0.16616  11.7%  51.7    7s

Cutting planes:
  Clique: 1
  MIR: 1

Explored 14 nodes (20993 simplex iterations) in 7.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.881523319098e-01, best bound 1.881523319098e-01, gap 0.0%