E1:     C1 CALL pred mutrec_higher_order.main/2-0 (det) mutrec_higher_order.m:26
mdb> echo on
Command echo enabled.
mdb> register --quiet
mdb> break p2
 0: + stop  interface pred mutrec_higher_order.p2/3-0 (det)
mdb> continue
      E2:     C2 CALL pred mutrec_higher_order.p2/3-0 (det) mutrec_higher_order.m:115 (mutrec_higher_order.m:155)
mdb> stack
   0       pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:115)
   1       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
   2    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
   4       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
   5       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.p2/3-0 (det)
mdb> break p3
 0: + stop  interface pred mutrec_higher_order.p3/3-0 (det)
mdb> continue
      E3:     C3 CALL pred mutrec_higher_order.p3/3-0 (det) mutrec_higher_order.m:144 (mutrec_higher_order.m:126)
mdb> stack
<mutually recursive set of stack frames start>
   0       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:144)
   1    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
   3       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
   4    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
   6       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
   7       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> stack -a
   0       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:144)
   1    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
   3       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
   4    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
   6       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
   7       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.p3/3-0 (det)
mdb> break q1
 0: + stop  interface pred mutrec_higher_order.q1/3-0 (det)
mdb> continue
      E4:     C4 CALL pred mutrec_higher_order.q1/3-0 (det) mutrec_higher_order.m:175 (mutrec_higher_order.m:213)
mdb> stack
   0       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:175)
   1       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
   2       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   3    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
   5       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
   6    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
   8       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
   9    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  11       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  12       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.q1/3-0 (det)
mdb> break q3
 0: + stop  interface pred mutrec_higher_order.q3/3-0 (det)
mdb> continue
      E5:     C5 CALL pred mutrec_higher_order.q3/3-0 (det) mutrec_higher_order.m:233 (mutrec_higher_order.m:186)
mdb> stack
   0       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:233)
   1       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
   2       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
   3       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   4    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
   6       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
   7    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
   9       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  10    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  12       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  13       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.q3/3-0 (det)
mdb> break q2
 0: + stop  interface pred mutrec_higher_order.q2/3-0 (det)
mdb> continue
      E6:     C6 CALL pred mutrec_higher_order.q2/3-0 (det) mutrec_higher_order.m:204 (mutrec_higher_order.m:244)
mdb> stack
<mutually recursive set of stack frames start>
   0       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:204)
   1       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
   2       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
   3       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
<mutually recursive set of stack frames end>
   4       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   5    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
   7       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
   8    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
  10       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  11    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  13       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  14       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.q2/3-0 (det)
mdb> break r1
 0: + stop  interface pred mutrec_higher_order.r1/3-0 (det)
mdb> continue
      E7:     C7 CALL pred mutrec_higher_order.r1/3-0 (det) mutrec_higher_order.m:282 (mutrec_higher_order.m:78)
mdb> stack
   0       pred mutrec_higher_order.r1/3-0 (det) (mutrec_higher_order.m:282)
   1       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   2    3* pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:220 and others)
   5       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
   6       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:215)
   7       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
   8       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
   9       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
<mutually recursive set of stack frames end>
  10       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
  11    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
  13       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
  14    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
  16       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  17    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  19       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  20       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> stack -c 3
   0       pred mutrec_higher_order.r1/3-0 (det) (mutrec_higher_order.m:282)
   1       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   2    3* pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:220 and others)
   5       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
   6       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:215)
<more stack frames in clique snipped>
<mutually recursive set of stack frames end>
  10       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
  11    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
  13       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
  14       pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126)
<more stack frames in clique snipped>
<mutually recursive set of stack frames end>
  17    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  19       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  20       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.r1/3-0 (det)
mdb> break r2
 0: + stop  interface pred mutrec_higher_order.r2/3-0 (det)
mdb> continue
      E8:     C8 CALL pred mutrec_higher_order.r2/3-0 (det) mutrec_higher_order.m:305 (mutrec_higher_order.m:291)
mdb> stack
   0       pred mutrec_higher_order.r2/3-0 (det) (mutrec_higher_order.m:305)
   1    2* pred mutrec_higher_order.r1/3-0 (det) (mutrec_higher_order.m:291 and others)
   3       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   4    3* pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:220 and others)
   7       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
   8       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:215)
   9       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
  10       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
  11       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
<mutually recursive set of stack frames end>
  12       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
  13    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
  15       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
  16    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
  18       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  19    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  21       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  22       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.r2/3-0 (det)
mdb> break r3
 0: + stop  interface pred mutrec_higher_order.r3/3-0 (det)
mdb> continue
      E9:     C9 CALL pred mutrec_higher_order.r3/3-0 (det) mutrec_higher_order.m:328 (mutrec_higher_order.m:316)
mdb> stack
   0       pred mutrec_higher_order.r3/3-0 (det) (mutrec_higher_order.m:328)
   1       pred mutrec_higher_order.r2/3-0 (det) (mutrec_higher_order.m:316)
   2    2* pred mutrec_higher_order.r1/3-0 (det) (mutrec_higher_order.m:291 and others)
   4       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   5    3* pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:220 and others)
   8       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
   9       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:215)
  10       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
  11       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
  12       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
<mutually recursive set of stack frames end>
  13       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
  14    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
  16       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
  17    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
  19       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  20    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  22       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  23       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.r3/3-0 (det)
mdb> break r2
 0: + stop  interface pred mutrec_higher_order.r2/3-0 (det)
mdb> continue
     E10:    C10 CALL pred mutrec_higher_order.r2/3-0 (det) mutrec_higher_order.m:305 (mutrec_higher_order.m:339)
mdb> stack
<mutually recursive set of stack frames start>
   0       pred mutrec_higher_order.r2/3-0 (det) (mutrec_higher_order.m:305)
   1    2* pred mutrec_higher_order.r3/3-0 (det) (mutrec_higher_order.m:339 and others)
   3       pred mutrec_higher_order.r2/3-0 (det) (mutrec_higher_order.m:316)
<mutually recursive set of stack frames end>
   4    2* pred mutrec_higher_order.r1/3-0 (det) (mutrec_higher_order.m:291 and others)
   6       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   7    3* pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:220 and others)
  10       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
  11       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:215)
  12       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
  13       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
  14       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
<mutually recursive set of stack frames end>
  15       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
  16    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
  18       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
  19    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
  21       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  22    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  24       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  25       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.r2/3-0 (det)
mdb> break s
 0: + stop  interface pred mutrec_higher_order.s/3-0 (det)
mdb> continue
     E11:    C11 CALL pred mutrec_higher_order.s/3-0 (det) mutrec_higher_order.m:353 (mutrec_higher_order.m:323)
mdb> stack
   0       pred mutrec_higher_order.s/3-0 (det) (mutrec_higher_order.m:353)
<mutually recursive set of stack frames start>
   1    2* pred mutrec_higher_order.r2/3-0 (det) (mutrec_higher_order.m:323 and others)
   3    2* pred mutrec_higher_order.r3/3-0 (det) (mutrec_higher_order.m:339 and others)
   5       pred mutrec_higher_order.r2/3-0 (det) (mutrec_higher_order.m:316)
<mutually recursive set of stack frames end>
   6    2* pred mutrec_higher_order.r1/3-0 (det) (mutrec_higher_order.m:291 and others)
   8       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
   9    3* pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:220 and others)
  12       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
  13       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:215)
  14       pred mutrec_higher_order.q3/3-0 (det) (mutrec_higher_order.m:244)
  15       pred mutrec_higher_order.q1/3-0 (det) (mutrec_higher_order.m:186)
  16       pred mutrec_higher_order.q2/3-0 (det) (mutrec_higher_order.m:213)
<mutually recursive set of stack frames end>
  17       pred mutrec_higher_order.repeat_steps/5-0 (det) (mutrec_higher_order.m:78)
<mutually recursive set of stack frames start>
  18    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:133 and others)
  20       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
  21    2* pred mutrec_higher_order.p2/3-0 (det) (mutrec_higher_order.m:126 and others)
  23       pred mutrec_higher_order.p3/3-0 (det) (mutrec_higher_order.m:155)
<mutually recursive set of stack frames end>
  24    2* pred mutrec_higher_order.p1/3-0 (det) (mutrec_higher_order.m:97 and others)
  26       pred mutrec_higher_order.test/2-0 (det) (mutrec_higher_order.m:43)
  27       pred mutrec_higher_order.main/2-0 (det) (mutrec_higher_order.m:34)
mdb> delete *
 0: E stop  interface pred mutrec_higher_order.s/3-0 (det)
mdb> continue
[p1, p1, p3, p2, p2, p3, p2, q2, q1, q3, q2, q3, q2, q2, r1, r1, r2, r3, r3, r2, r2, s, s, q2, q1, q3, q2, q3, q2, q2, r1, r1, r2, r3, r3, r2, r2, s, s]
[p1, p1, p3, p2, p2, p3, p2, q3, q1, q3, q2, q3, q2, q2, r3, r3, r3, r3, r3, r2, r2, s, s, r3, r3, r3, r3, r3, r2, r2, s, s, r3, r3, r3, r3, r3, r2, r2, s, s, q3, q1, q3, q2, q3, q2, q2, r3, r3, r3, r3, r3, r2, r2, s, s, r3, r3, r3, r3, r3, r2, r2, s, s, r3, r3, r3, r3, r3, r2, r2, s, s, q3, q1, q3, q2, q3, q2, q2, r3, r3, r3, r3, r3, r2, r2, s, s, r3, r3, r3, r3, r3, r2, r2, s, s, r3, r3, r3, r3, r3, r2, r2, s, s]