digraph iCFG { 5 [label="5: DeclStmt \n *&y:int =3 [line 7]\n NULLIFY(&y,false); [line 7]\n " shape="box"] 5 -> 4 ; 4 [label="4: BinaryOperatorStmt: Assign \n n$0=*&X:int [line 9]\n *&X:int =4 [line 9]\n n$1=*&X:int [line 9]\n *&y:int =n$1 [line 9]\n REMOVE_TEMPS(n$1,n$0); [line 9]\n NULLIFY(&X,false); [line 9]\n NULLIFY(&y,false); [line 9]\n " shape="box"] 4 -> 3 ; 3 [label="3: Return Stmt \n *&return:int =0 [line 10]\n APPLY_ABSTRACTION; [line 10]\n " shape="box"] 3 -> 2 ; 2 [label="2: Exit main \n " color=yellow style=filled] 1 [label="1: Start main\nFormals: \nLocals: y:int X:int \n DECLARE_LOCALS(&return,&y,&X); [line 6]\n NULLIFY(&y,false); [line 6]\n " color=yellow style=filled] 1 -> 5 ; }