Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:30:25 2014

Optimize a model with 4279 rows, 2163 columns and 10580 nonzeros
Presolve removed 46 rows and 0 columns
Presolve time: 0.11s
Presolved: 4233 rows, 2163 columns, 10534 nonzeros
Variable types: 1 continuous, 2162 integer (2162 binary)
Found heuristic solution: objective 0.8291215
Found heuristic solution: objective 0.8245225
Found heuristic solution: objective 0.7217729

Root relaxation: objective 9.205120e-03, 2520 iterations, 0.09 seconds

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

     0     0    0.00921    0 1664    0.72177    0.00921  98.7%     -    0s
H    0     0                       0.4212352    0.00921  97.8%     -    0s
     0     0    0.02160    0  695    0.42124    0.02160  94.9%     -    0s
     0     0    0.11725    0  386    0.42124    0.11725  72.2%     -    0s
H    0     0                       0.3443779    0.11725  66.0%     -    0s
     0     0    0.17139    0  338    0.34438    0.17139  50.2%     -    0s
     0     1    0.17139    0  330    0.34438    0.17139  50.2%     -    2s
H    1     1                       0.3206373    0.17139  46.5%   508    2s
H    4     2                       0.3136872    0.21941  30.1%   127    2s
H    5     3                       0.3027174    0.24369  19.5%   102    2s
H    5     3                       0.2984256    0.24369  18.3%   102    2s
H    9     5                       0.2824017    0.25557  9.50%   423    3s
H    9     5                       0.2762097    0.25557  7.47%   423    3s

Cutting planes:
  Gomory: 2
  MIR: 27

Explored 9 nodes (17278 simplex iterations) in 3.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.762096965954e-01, best bound 2.762096965954e-01, gap 0.0%