digraph iCFG { 5 [label="5: DeclStmt \n *&v:int =3 [line 11]\n " shape="box"] 5 -> 4 ; 4 [label="4: DeclStmt \n *&r:int &=&v [line 12]\n NULLIFY(&r,false); [line 12]\n " shape="box"] 4 -> 3 ; 3 [label="3: DeclStmt \n *&p:int *=&v [line 13]\n NULLIFY(&p,false); [line 13]\n NULLIFY(&v,false); [line 13]\n APPLY_ABSTRACTION; [line 13]\n " shape="box"] 3 -> 2 ; 2 [label="2: Exit test \n " color=yellow style=filled] 1 [label="1: Start test\nFormals: \nLocals: p:int * r:int & v:int \n DECLARE_LOCALS(&return,&p,&r,&v); [line 10]\n NULLIFY(&p,false); [line 10]\n NULLIFY(&r,false); [line 10]\n " color=yellow style=filled] 1 -> 5 ; }