/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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NO

Problem 1: 

(VAR X XS)
(RULES
head(cons(X)) -> X
incr(cons(X)) -> cons(s(X))
nats -> cons(0)
odds -> incr(pairs)
pairs -> cons(0)
tail(cons(X)) -> XS
)

Problem 1: 

Extra Variables Processor:
-> Rules:
 head(cons(X)) -> X
 incr(cons(X)) -> cons(s(X))
 nats -> cons(0)
 odds -> incr(pairs)
 pairs -> cons(0)
 tail(cons(X)) -> XS
-> The system has extra variables.

The problem is infinite.