E1:     C1 CALL pred supertree_warning.main/2-0 (det) supertree_warning.m:17
mdb> mdb> Contexts will not be printed.
mdb> echo on
Command echo enabled.
mdb> table_io allow
mdb> table_io start
I/O tabling started.
mdb> trust q
Trusting pred supertree_warning.q/2
mdb> break q
 0: + stop  interface pred supertree_warning.q/2-0 (det)
mdb> c
      E2:     C2 CALL pred supertree_warning.q/2-0 (det)
mdb> f
      E3:     C2 EXIT pred supertree_warning.q/2-0 (det)
mdb> dd -d 3 -n 7 -a
All descendent calls are trusted.
Shall I continue searching in ancestor calls?
> maybe
Please answer yes or no.
> Yes
p(1, 1)
Valid? quit
Diagnosis aborted.
      E3:     C2 EXIT pred supertree_warning.q/2-0 (det)
mdb> dd -d 3 -n 7 -a
All descendent calls are trusted.
Shall I continue searching in ancestor calls?
> n
Diagnosis aborted.
      E3:     C2 EXIT pred supertree_warning.q/2-0 (det)
mdb> quit -y