1:      1  1 CALL pred mutrec.main/2-0 (det) mutrec.m:25
mdb> echo on
Command echo enabled.
mdb> register --quiet
mdb> break p2
 0: + stop  interface pred mutrec.p2/3-0 (det)
mdb> continue
      16:      6  6 CALL pred mutrec.p2/3-0 (det) mutrec.m:91 (mutrec.m:122)
mdb> stack
   0       pred mutrec.p2/3-0 (det) (mutrec.m:91)
   1       pred mutrec.p3/3-0 (det) (mutrec.m:122)
   2    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
   4       pred mutrec.test/2-0 (det) (mutrec.m:42)
   5       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.p2/3-0 (det)
mdb> break p3
 0: + stop  interface pred mutrec.p3/3-0 (det)
mdb> continue
      24:      8  8 CALL pred mutrec.p3/3-0 (det) mutrec.m:111 (mutrec.m:102)
mdb> stack
<mutually recursive set of stack frames start>
   0       pred mutrec.p3/3-0 (det) (mutrec.m:111)
   1    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
   3       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
   4    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
   6       pred mutrec.test/2-0 (det) (mutrec.m:42)
   7       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> stack -a
   0       pred mutrec.p3/3-0 (det) (mutrec.m:111)
   1    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
   3       pred mutrec.p3/3-0 (det) (mutrec.m:122)
   4    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
   6       pred mutrec.test/2-0 (det) (mutrec.m:42)
   7       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.p3/3-0 (det)
mdb> break q1
 0: + stop  interface pred mutrec.q1/3-0 (det)
mdb> continue
      35:     11 11 CALL pred mutrec.q1/3-0 (det) mutrec.m:133 (mutrec.m:106)
mdb> stack
   0       pred mutrec.q1/3-0 (det) (mutrec.m:133)
<mutually recursive set of stack frames start>
   1    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
   3       pred mutrec.p3/3-0 (det) (mutrec.m:122)
   4    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
   6       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
   7    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
   9       pred mutrec.test/2-0 (det) (mutrec.m:42)
  10       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.q1/3-0 (det)
mdb> break q3
 0: + stop  interface pred mutrec.q3/3-0 (det)
mdb> continue
      40:     12 12 CALL pred mutrec.q3/3-0 (det) mutrec.m:173 (mutrec.m:144)
mdb> stack
   0       pred mutrec.q3/3-0 (det) (mutrec.m:173)
   1       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
   2    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
   4       pred mutrec.p3/3-0 (det) (mutrec.m:122)
   5    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
   7       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
   8    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  10       pred mutrec.test/2-0 (det) (mutrec.m:42)
  11       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.q3/3-0 (det)
mdb> break q2
 0: + stop  interface pred mutrec.q2/3-0 (det)
mdb> continue
      45:     13 13 CALL pred mutrec.q2/3-0 (det) mutrec.m:153 (mutrec.m:184)
mdb> stack
   0       pred mutrec.q2/3-0 (det) (mutrec.m:153)
   1       pred mutrec.q3/3-0 (det) (mutrec.m:184)
   2       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
   3    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
   5       pred mutrec.p3/3-0 (det) (mutrec.m:122)
   6    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
   8       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
   9    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  11       pred mutrec.test/2-0 (det) (mutrec.m:42)
  12       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.q2/3-0 (det)
mdb> break r0c
 0: + stop  interface pred mutrec.r0c/3-0 (det)
mdb> continue
      69:     19 19 CALL pred mutrec.r0c/3-0 (det) mutrec.m:207 (mutrec.m:188)
mdb> stack
   0       pred mutrec.r0c/3-0 (det) (mutrec.m:207)
<mutually recursive set of stack frames start>
   1    3* pred mutrec.q3/3-0 (det) (mutrec.m:188 and others)
   4       pred mutrec.q2/3-0 (det) (mutrec.m:164)
   5       pred mutrec.q3/3-0 (det) (mutrec.m:184)
   6       pred mutrec.q2/3-0 (det) (mutrec.m:164)
   7       pred mutrec.q3/3-0 (det) (mutrec.m:184)
<mutually recursive set of stack frames end>
   8       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
   9    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
  11       pred mutrec.p3/3-0 (det) (mutrec.m:122)
  12    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
  14       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
  15    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  17       pred mutrec.test/2-0 (det) (mutrec.m:42)
  18       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> stack -c 3
   0       pred mutrec.r0c/3-0 (det) (mutrec.m:207)
<mutually recursive set of stack frames start>
   1    3* pred mutrec.q3/3-0 (det) (mutrec.m:188 and others)
   4       pred mutrec.q2/3-0 (det) (mutrec.m:164)
   5       pred mutrec.q3/3-0 (det) (mutrec.m:184)
<more stack frames in clique snipped>
<mutually recursive set of stack frames end>
   8       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
   9    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
  11       pred mutrec.p3/3-0 (det) (mutrec.m:122)
  12       pred mutrec.p2/3-0 (det) (mutrec.m:102)
<more stack frames in clique snipped>
<mutually recursive set of stack frames end>
  15    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  17       pred mutrec.test/2-0 (det) (mutrec.m:42)
  18       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.r0c/3-0 (det)
mdb> break r2
 0: + stop  interface pred mutrec.r2/3-0 (det)
mdb> continue
      78:     22 22 CALL pred mutrec.r2/3-0 (det) mutrec.m:233 (mutrec.m:222)
mdb> stack
   0       pred mutrec.r2/3-0 (det) (mutrec.m:233)
   1    2* pred mutrec.r1/3-0 (det) (mutrec.m:222 and others)
   3       pred mutrec.r0c/3-0 (det) (mutrec.m:209)
<mutually recursive set of stack frames start>
   4    3* pred mutrec.q3/3-0 (det) (mutrec.m:188 and others)
   7       pred mutrec.q2/3-0 (det) (mutrec.m:164)
   8       pred mutrec.q3/3-0 (det) (mutrec.m:184)
   9       pred mutrec.q2/3-0 (det) (mutrec.m:164)
  10       pred mutrec.q3/3-0 (det) (mutrec.m:184)
<mutually recursive set of stack frames end>
  11       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
  12    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
  14       pred mutrec.p3/3-0 (det) (mutrec.m:122)
  15    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
  17       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
  18    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  20       pred mutrec.test/2-0 (det) (mutrec.m:42)
  21       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.r2/3-0 (det)
mdb> break r3
 0: + stop  interface pred mutrec.r3/3-0 (det)
mdb> continue
      83:     23 23 CALL pred mutrec.r3/3-0 (det) mutrec.m:253 (mutrec.m:244)
mdb> stack
   0       pred mutrec.r3/3-0 (det) (mutrec.m:253)
   1       pred mutrec.r2/3-0 (det) (mutrec.m:244)
   2    2* pred mutrec.r1/3-0 (det) (mutrec.m:222 and others)
   4       pred mutrec.r0c/3-0 (det) (mutrec.m:209)
<mutually recursive set of stack frames start>
   5    3* pred mutrec.q3/3-0 (det) (mutrec.m:188 and others)
   8       pred mutrec.q2/3-0 (det) (mutrec.m:164)
   9       pred mutrec.q3/3-0 (det) (mutrec.m:184)
  10       pred mutrec.q2/3-0 (det) (mutrec.m:164)
  11       pred mutrec.q3/3-0 (det) (mutrec.m:184)
<mutually recursive set of stack frames end>
  12       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
  13    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
  15       pred mutrec.p3/3-0 (det) (mutrec.m:122)
  16    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
  18       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
  19    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  21       pred mutrec.test/2-0 (det) (mutrec.m:42)
  22       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.r3/3-0 (det)
mdb> break r2
 0: + stop  interface pred mutrec.r2/3-0 (det)
mdb> continue
      91:     25 25 CALL pred mutrec.r2/3-0 (det) mutrec.m:233 (mutrec.m:264)
mdb> stack
<mutually recursive set of stack frames start>
   0       pred mutrec.r2/3-0 (det) (mutrec.m:233)
   1    2* pred mutrec.r3/3-0 (det) (mutrec.m:264 and others)
   3       pred mutrec.r2/3-0 (det) (mutrec.m:244)
<mutually recursive set of stack frames end>
   4    2* pred mutrec.r1/3-0 (det) (mutrec.m:222 and others)
   6       pred mutrec.r0c/3-0 (det) (mutrec.m:209)
<mutually recursive set of stack frames start>
   7    3* pred mutrec.q3/3-0 (det) (mutrec.m:188 and others)
  10       pred mutrec.q2/3-0 (det) (mutrec.m:164)
  11       pred mutrec.q3/3-0 (det) (mutrec.m:184)
  12       pred mutrec.q2/3-0 (det) (mutrec.m:164)
  13       pred mutrec.q3/3-0 (det) (mutrec.m:184)
<mutually recursive set of stack frames end>
  14       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
  15    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
  17       pred mutrec.p3/3-0 (det) (mutrec.m:122)
  18    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
  20       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
  21    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  23       pred mutrec.test/2-0 (det) (mutrec.m:42)
  24       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.r2/3-0 (det)
mdb> break s
 0: + stop  interface pred mutrec.s/3-0 (det)
mdb> continue
      97:     27 27 CALL pred mutrec.s/3-0 (det) mutrec.m:275 (mutrec.m:248)
mdb> stack
   0       pred mutrec.s/3-0 (det) (mutrec.m:275)
<mutually recursive set of stack frames start>
   1    2* pred mutrec.r2/3-0 (det) (mutrec.m:248 and others)
   3    2* pred mutrec.r3/3-0 (det) (mutrec.m:264 and others)
   5       pred mutrec.r2/3-0 (det) (mutrec.m:244)
<mutually recursive set of stack frames end>
   6    2* pred mutrec.r1/3-0 (det) (mutrec.m:222 and others)
   8       pred mutrec.r0c/3-0 (det) (mutrec.m:209)
<mutually recursive set of stack frames start>
   9    3* pred mutrec.q3/3-0 (det) (mutrec.m:188 and others)
  12       pred mutrec.q2/3-0 (det) (mutrec.m:164)
  13       pred mutrec.q3/3-0 (det) (mutrec.m:184)
  14       pred mutrec.q2/3-0 (det) (mutrec.m:164)
  15       pred mutrec.q3/3-0 (det) (mutrec.m:184)
<mutually recursive set of stack frames end>
  16       pred mutrec.q1/3-0 (det) (mutrec.m:144)
<mutually recursive set of stack frames start>
  17    2* pred mutrec.p2/3-0 (det) (mutrec.m:106 and others)
  19       pred mutrec.p3/3-0 (det) (mutrec.m:122)
  20    2* pred mutrec.p2/3-0 (det) (mutrec.m:102 and others)
  22       pred mutrec.p3/3-0 (det) (mutrec.m:122)
<mutually recursive set of stack frames end>
  23    2* pred mutrec.p1/3-0 (det) (mutrec.m:82 and others)
  25       pred mutrec.test/2-0 (det) (mutrec.m:42)
  26       pred mutrec.main/2-0 (det) (mutrec.m:33)
mdb> delete *
 0: E stop  interface pred mutrec.s/3-0 (det)
mdb> continue
[p1, p1, p3, p2, p2, p3, p2, p2, q1, q3, q2, q3, q2, q3, q3, q3, r0c, r1, r1, r2, r3, r3, r2, r2, s, s]
[p1, p1, p3, p2, p2, p3, p2, p2, q1, q3, q2, q3, q2, q3, q3, q3, r0c, r1, r1, r1, r1, r1, r3, r3, s, s, s, s]