digraph CFG {
  node [fontname="Helvetica"];
  n983 [label="2", shape=box];
  n983 -> n984;
  n984 [label="3", shape=box];
  n984 -> n985;
  n985 [label="CALL mult", shape=box, style=filled, color=orange];
  n985 -> n945;
  n945 [label="START mult(a, b)", shape=box, style=filled, color=green];
  n945 -> n950;
  n950 [label="a", shape=box];
  n950 -> n951;
  n951 [label="b", shape=box];
  n951 -> n952;
  n952 [label="a * b", shape=box];
  n952 -> n946;
  n946 [label="END mult(a, b)", shape=box, style=filled, color=green];
  n946 -> n977;
  n977 [label="RET mult", shape=box, style=filled, color=orange];
  n977 -> n954;
  n954 [label="END inc(a)", shape=box, style=filled, color=green];
  n954 -> n972;
  n972 [label="RET inc", shape=box, style=filled, color=orange];
  n972 -> n954;
  n954 -> n981;
  n981 [label="RET inc", shape=box, style=filled, color=orange];
  n981 -> n948;
  n948 [label="END add(a, b)", shape=box, style=filled, color=green];
  n948 -> n992;
  n992 [label="RET add", shape=box, style=filled, color=orange];
  n992 -> n993;
  n993 [label="CALL add", shape=box, style=filled, color=orange];
  n993 -> n947;
  n947 [label="START add(a, b)", shape=box, style=filled, color=green];
  n947 -> n978;
  n978 [label="a", shape=box];
  n978 -> n979;
  n979 [label="CALL inc", shape=box, style=filled, color=orange];
  n979 -> n953;
  n953 [label="START inc(a)", shape=box, style=filled, color=green];
  n953 -> n956;
  n956 [label="b", shape=box];
  n956 -> n957;
  n957 [label="0", shape=box];
  n957 -> n958;
  n958 [label="b != 0", shape=box];
  n958 -> n959;
  n959 [label="<?>", shape=diamond];
  n959 -> n963 [label="T"];
  n963 [label="b", shape=box];
  n963 -> n964;
  n964 [label="1", shape=box];
  n964 -> n965;
  n965 [label="b - 1", shape=box];
  n965 -> n966;
  n966 [label="b = (b - 1)", shape=box];
  n966 -> n967;
  n967 [label="a", shape=box];
  n967 -> n968;
  n968 [label="1", shape=box];
  n968 -> n969;
  n969 [label="a + 1", shape=box];
  n969 -> n970;
  n970 [label="CALL inc", shape=box, style=filled, color=orange];
  n970 -> n953;
  n970 -> n972;
  n959 -> n973 [label="F"];
  n973 [label="a", shape=box];
  n973 -> n974;
  n974 [label="1", shape=box];
  n974 -> n975;
  n975 [label="CALL mult", shape=box, style=filled, color=orange];
  n975 -> n945;
  n975 -> n977;
  n979 -> n981;
  n993 -> n995;
  n995 [label="RET add", shape=box, style=filled, color=orange];
  n948 -> n995;
  n946 -> n987;
  n987 [label="RET mult", shape=box, style=filled, color=orange];
  n987 -> n988;
  n988 [label="4", shape=box];
  n988 -> n989;
  n989 [label="5", shape=box];
  n989 -> n990;
  n990 [label="CALL add", shape=box, style=filled, color=orange];
  n990 -> n947;
  n990 -> n992;
  n985 -> n987;
}