/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.pl /export/starexec/sandbox2/output/output_files


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Graph construction failed
Graph construction failed
Graph construction failed
MAYBE
proof of /export/starexec/sandbox2/benchmark/theBenchmark.pl
# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Left Termination of the query pattern

q(a)

w.r.t. the given Prolog program could not be shown:

(0) Prolog
(1) UndefinedPredicateHandlerProof [SOUND, 0 ms]
(2) Prolog


----------------------------------------

(0)
Obligation:
Clauses:

q(X) :- once(p(X)).
p(0).
p(s(X)) :- p(X).


Query: q(a)
----------------------------------------

(1) UndefinedPredicateHandlerProof (SOUND)
Added facts for all undefined predicates [PROLOG].
----------------------------------------

(2)
Obligation:
Clauses:

q(X) :- once(p(X)).
p(0).
p(s(X)) :- p(X).
once(X0).


Query: q(a)