Gurobi 5.6.3 (linux64) logging started Tue Oct  7 23:14:23 2014

Optimize a model with 37129 rows, 18633 columns and 92480 nonzeros
Presolve removed 136 rows and 0 columns
Presolve time: 0.47s
Presolved: 36993 rows, 18633 columns, 92344 nonzeros
Variable types: 1 continuous, 18632 integer (18632 binary)
Found heuristic solution: objective 1.0675106
Found heuristic solution: objective 1.0572955
Found heuristic solution: objective 0.8696472

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   21241    2.4064754e-03   8.095422e+02   0.000000e+00      5s
   22894    2.5038058e-03   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 2.503806e-03, 22894 iterations, 6.39 seconds
Total elapsed time = 10.53s

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

     0     0    0.00250    0 16734    0.86965    0.00250   100%     -   10s
H    0     0                       0.1690789    0.00250  98.5%     -   21s
     0     0 infeasible    0         0.16908    0.16908  0.00%     -   32s

Cutting planes:
  Gomory: 1

Explored 0 nodes (58925 simplex iterations) in 32.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.690788787226e-01, best bound 1.690788787226e-01, gap 0.0%