digraph CFG {
  node [fontname="Helvetica"];
  n710 [label="START", shape=box];
  n710 -> n762;
  n762 [label="2", shape=box];
  n762 -> n763;
  n763 [label="3", shape=box];
  n763 -> n764;
  n764 [label="CALL f", shape=box, style=filled, color=orange];
  n764 -> n712;
  n712 [label="START f(a, b)", shape=box, style=filled, color=green];
  n712 -> n717;
  n717 [label="a", shape=box];
  n717 -> n718;
  n718 [label="0", shape=box];
  n718 -> n719;
  n719 [label="a == 0", shape=box];
  n719 -> n720;
  n720 [label="<?>", shape=diamond];
  n720 -> n724 [label="T"];
  n724 [label="2", shape=box];
  n724 -> n725;
  n725 [label="b", shape=box];
  n725 -> n726;
  n726 [label="2 + b", shape=box];
  n726 -> n713;
  n713 [label="END f(a, b)", shape=box, style=filled, color=green];
  n713 -> n760;
  n760 [label="RET f", shape=box, style=filled, color=orange];
  n760 -> n761;
  n761 [label="c * f((c - 1),d)", shape=box];
  n761 -> n728;
  n728 [label="END g(a, c)", shape=box, style=filled, color=green];
  n728 -> n740;
  n740 [label="RET g", shape=box, style=filled, color=orange];
  n740 -> n741;
  n741 [label="2 + g(a,b)", shape=box];
  n741 -> n713;
  n728 -> n772;
  n772 [label="RET g", shape=box, style=filled, color=orange];
  n713 -> n766;
  n766 [label="RET f", shape=box, style=filled, color=orange];
  n766 -> n768;
  n768 [label="3", shape=box];
  n768 -> n769;
  n769 [label="2", shape=box];
  n769 -> n770;
  n770 [label="CALL g", shape=box, style=filled, color=orange];
  n770 -> n727;
  n727 [label="START g(a, c)", shape=box, style=filled, color=green];
  n727 -> n730;
  n730 [label="a", shape=box];
  n730 -> n731;
  n731 [label="c", shape=box];
  n731 -> n732;
  n732 [label="a + c", shape=box];
  n732 -> n733;
  n733 [label="b", shape=box];
  n733 -> n734;
  n734 [label="(a + c) + b", shape=box];
  n734 -> n728;
  n727 -> n743;
  n743 [label="c", shape=box];
  n743 -> n744;
  n744 [label="0", shape=box];
  n744 -> n745;
  n745 [label="c == 0", shape=box];
  n745 -> n746;
  n746 [label="<?>", shape=diamond];
  n746 -> n750 [label="T"];
  n750 [label="1", shape=box];
  n750 -> n751;
  n751 [label="d", shape=box];
  n751 -> n752;
  n752 [label="1 + d", shape=box];
  n752 -> n728;
  n746 -> n753 [label="F"];
  n753 [label="c", shape=box];
  n753 -> n754;
  n754 [label="c", shape=box];
  n754 -> n755;
  n755 [label="1", shape=box];
  n755 -> n756;
  n756 [label="c - 1", shape=box];
  n756 -> n757;
  n757 [label="d", shape=box];
  n757 -> n758;
  n758 [label="CALL f", shape=box, style=filled, color=orange];
  n758 -> n712;
  n758 -> n760;
  n770 -> n772;
  n720 -> n735 [label="F"];
  n735 [label="2", shape=box];
  n735 -> n736;
  n736 [label="a", shape=box];
  n736 -> n737;
  n737 [label="b", shape=box];
  n737 -> n738;
  n738 [label="CALL g", shape=box, style=filled, color=orange];
  n738 -> n727;
  n738 -> n740;
  n764 -> n766;
}