E1:     C1 CALL pred exceptions.main/2-0 (cc_multi) exceptions.m:21
mdb> mdb> Contexts will not be printed.
mdb> echo on
Command echo enabled.
mdb> break q
 0: + stop  interface pred exceptions.q/2-0 (cc_multi)
mdb> c
      E2:     C2 CALL pred exceptions.q/2-0 (cc_multi)
mdb> f
mdb: warning: reached unknown label
This may result in some exception events
being omitted from the trace.
      E3:     C2 EXIT pred exceptions.q/2-0 (cc_multi)
mdb> delete *
 0: E stop  interface pred exceptions.q/2-0 (cc_multi)
mdb> dd -d 3 -n 7 -d1000
mdb: warning: reached unknown label
This may result in some exception events
being omitted from the trace.
q(yes(univ_cons("Error")), [1, 2, 3])
Valid? n
p(1)
Valid? y
p(2)
Valid? y
p(3)
Valid? y
Call p(_)
Throws "Error"
Expected? y
Found incorrect contour:
q(yes(univ_cons("Error")), [1, 2, 3])
Is this a bug? y
mdb: warning: reached unknown label
This may result in some exception events
being omitted from the trace.
      E3:     C2 EXIT pred exceptions.q/2-0 (cc_multi)
mdb> break r
 0: + stop  interface pred exceptions.r/1-0 (semidet)
mdb> c
      E4:     C3 CALL pred exceptions.r/1-0 (semidet)
mdb> f
mdb: warning: reached unknown label
This may result in some exception events
being omitted from the trace.
      E5:     C3 FAIL pred exceptions.r/1-0 (semidet)
mdb> delete *
 0: E stop  interface pred exceptions.r/1-0 (semidet)
mdb> dd -d 3 -n 7 -d1000
mdb: warning: reached unknown label
This may result in some exception events
being omitted from the trace.
Call r(_)
Unsatisfiable? n
t({yes(univ_cons("Error")), [4, 5, 6]})
Valid? n
s(4)
Valid? y
s(5)
Valid? y
s(6)
Valid? y
Call s(_)
Throws "Error"
Expected? y
Found incorrect contour:
t({yes(univ_cons("Error")), [4, 5, 6]})
Is this a bug? y
mdb: warning: reached unknown label
This may result in some exception events
being omitted from the trace.
      E6:     C4 EXIT pred exceptions.t/1-0 (cc_multi)
mdb> break v
 0: + stop  interface pred exceptions.v/1-0 (nondet)
mdb> c
no
      E7:     C5 CALL pred exceptions.v/1-0 (nondet)
mdb> f
      E8:     C5 EXCP pred exceptions.v/1-0 (nondet) c2;
mdb> dd -d 3 -n 7 -d1000
Call v(_)
Throws "Error"
Expected? n
y(1)
Valid? y
Call u(_)
Throws "Error"
Expected? y
Found unhandled or incorrect exception:
v(_)
"Error"
Is this a bug? y
      E8:     C5 EXCP pred exceptions.v/1-0 (nondet) c2;
mdb> quit -y