Gurobi 5.6.3 (linux64) logging started Wed Oct  8 01:57:49 2014

Optimize a model with 36673 rows, 36672 columns and 109634 nonzeros
Presolve time: 0.95s
Presolved: 36673 rows, 36672 columns, 109634 nonzeros
Variable types: 0 continuous, 36672 integer (36672 binary)
Found heuristic solution: objective 20.2519202

Root relaxation: objective 1.399386e+01, 2316 iterations, 0.29 seconds

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

     0     0   13.99386    0  126   20.25192   13.99386  30.9%     -    1s
H    0     0                      14.0145178   13.99386  0.15%     -    1s
H    0     0                      14.0032519   13.99386  0.07%     -    1s
H    0     0                      14.0013566   13.99386  0.05%     -    1s
     0     0   14.00099    0  126   14.00136   14.00099  0.00%     -    1s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 0 nodes (2322 simplex iterations) in 1.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400135660768e+01, best bound 1.400099418833e+01, gap 0.0026%