Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:34:14 2014

Optimize a model with 3364 rows, 3307 columns and 13053 nonzeros
Presolve time: 0.08s
Presolved: 3364 rows, 3307 columns, 13053 nonzeros
Variable types: 1 continuous, 3306 integer (3306 binary)
Found heuristic solution: objective 1.0906939
Found heuristic solution: objective 0.9648737
Found heuristic solution: objective 0.9401042

Root relaxation: objective 1.652479e-01, 1964 iterations, 0.10 seconds

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

     0     0    0.16525    0  431    0.94010    0.16525  82.4%     -    0s
H    0     0                       0.4867985    0.16525  66.1%     -    0s
H    0     0                       0.3215288    0.16525  48.6%     -    0s
     0     0    0.17278    0  415    0.32153    0.17278  46.3%     -    0s
     0     0    0.17278    0  415    0.32153    0.17278  46.3%     -    0s
     0     0    0.17640    0  473    0.32153    0.17640  45.1%     -    0s
     0     0    0.18253    0  434    0.32153    0.18253  43.2%     -    0s
H    0     0                       0.3208777    0.18253  43.1%     -    0s
H    0     0                       0.3048671    0.18253  40.1%     -    0s
     0     0    0.18667    0  279    0.30487    0.18667  38.8%     -    0s
H    0     0                       0.3015577    0.18667  38.1%     -    0s
H    0     0                       0.2924064    0.18667  36.2%     -    0s
     0     2    0.19427    0  254    0.29241    0.19427  33.6%     -    0s
*   19    12              12       0.2877241    0.20497  28.8%   102    0s
*   22     9               2       0.2830639    0.20497  27.6%  93.6    0s

Cutting planes:
  Gomory: 2
  MIR: 1

Explored 32 nodes (11855 simplex iterations) in 0.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.830638538220e-01, best bound 2.830638538220e-01, gap 0.0%