digraph iCFG { 3 [label="3: Return Stmt \n n$0=*&#GB$aVariable:class NSObject * [line 19]\n *&return:class NSObject *=n$0 [line 19]\n REMOVE_TEMPS(n$0); [line 19]\n APPLY_ABSTRACTION; [line 19]\n " shape="box"] 3 -> 2 ; 2 [label="2: Exit AClass_sharedInstance \n " color=yellow style=filled] 1 [label="1: Start AClass_sharedInstance\nFormals: self:class AClass *\nLocals: \n DECLARE_LOCALS(&return); [line 17]\n NULLIFY(&self,false); [line 17]\n " color=yellow style=filled] 1 -> 3 ; }