Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:43 2014

Optimize a model with 821 rows, 421 columns and 2000 nonzeros
Presolve removed 20 rows and 0 columns
Presolve time: 0.01s
Presolved: 801 rows, 421 columns, 1980 nonzeros
Variable types: 1 continuous, 420 integer (420 binary)
Found heuristic solution: objective 0.8042299
Found heuristic solution: objective 0.7254005
Found heuristic solution: objective 0.5271211

Root relaxation: objective 7.788597e-02, 437 iterations, 0.01 seconds

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

     0     0    0.07789    0  132    0.52712    0.07789  85.2%     -    0s
H    0     0                       0.4193691    0.07789  81.4%     -    0s
     0     0 infeasible    0         0.41937    0.41937  0.00%     -    0s

Cutting planes:
  Gomory: 1

Explored 0 nodes (952 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.193690513885e-01, best bound 4.193690513885e-01, gap 0.0%