Attribute: b, type: float
  Index        : 0
  Reads From   : true
  Writes To    : false
  Dependencies : 0
  Usage : 1
    Attribute: a type: float

Attribute: a, type: float
  Index        : 1
  Reads From   : true
  Writes To    : true
  Dependencies : 2
    Attribute: a type: float
    Attribute: b type: float
  Usage : 1
    Attribute: a type: float

