digraph iCFG { 11 [label="11: DeclStmt \n *&v:int =3 [line 17]\n " shape="box"] 11 -> 10 ; 10 [label="10: DeclStmt \n *&vr:int &=&v [line 18]\n " shape="box"] 10 -> 9 ; 9 [label="9: DeclStmt \n n$2=*&vr:int & [line 19]\n n$3=*n$2:int [line 19]\n *n$2:int =(n$3 + 1) [line 19]\n *&r:int &=n$2 [line 19]\n REMOVE_TEMPS(n$2,n$3); [line 19]\n NULLIFY(&r,false); [line 19]\n " shape="box"] 9 -> 8 ; 8 [label="8: DeclStmt \n n$0=*&vr:int & [line 20]\n n$1=*n$0:int [line 20]\n *n$0:int =(n$1 - 1) [line 20]\n *&q:int &=n$0 [line 20]\n REMOVE_TEMPS(n$0,n$1); [line 20]\n NULLIFY(&q,false); [line 20]\n NULLIFY(&vr,false); [line 20]\n NULLIFY(&v,false); [line 20]\n APPLY_ABSTRACTION; [line 20]\n " shape="box"] 8 -> 7 ; 7 [label="7: Exit using_ref \n " color=yellow style=filled] 6 [label="6: Start using_ref\nFormals: \nLocals: q:int & r:int & vr:int & v:int \n DECLARE_LOCALS(&return,&q,&r,&vr,&v); [line 16]\n NULLIFY(&q,false); [line 16]\n NULLIFY(&r,false); [line 16]\n NULLIFY(&vr,false); [line 16]\n " color=yellow style=filled] 6 -> 11 ; 5 [label="5: DeclStmt \n *&v:int =3 [line 11]\n " shape="box"] 5 -> 4 ; 4 [label="4: DeclStmt \n n$1=*&v:int [line 12]\n *&v:int =(n$1 + 1) [line 12]\n *&r:int &=&v [line 12]\n REMOVE_TEMPS(n$1); [line 12]\n NULLIFY(&r,false); [line 12]\n " shape="box"] 4 -> 3 ; 3 [label="3: DeclStmt \n n$0=*&v:int [line 13]\n *&v:int =(n$0 - 1) [line 13]\n *&q:int &=&v [line 13]\n REMOVE_TEMPS(n$0); [line 13]\n NULLIFY(&q,false); [line 13]\n NULLIFY(&v,false); [line 13]\n APPLY_ABSTRACTION; [line 13]\n " shape="box"] 3 -> 2 ; 2 [label="2: Exit using_value \n " color=yellow style=filled] 1 [label="1: Start using_value\nFormals: \nLocals: q:int & r:int & v:int \n DECLARE_LOCALS(&return,&q,&r,&v); [line 10]\n NULLIFY(&q,false); [line 10]\n NULLIFY(&r,false); [line 10]\n " color=yellow style=filled] 1 -> 5 ; }