/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 v_NonEmpty:S I:S P:S X:S Y:S Z:S)
(RULES
__(__(X:S,Y:S),Z:S) -> __(X:S,__(Y:S,Z:S))
__(nil,X:S) -> X:S
__(X:S,nil) -> X:S
and(tt) -> X:S
isNePal(__(I:S,__(P:S,I:S))) -> tt
)

Problem 1: 

Extra Variables Processor:
-> Rules:
 __(__(X:S,Y:S),Z:S) -> __(X:S,__(Y:S,Z:S))
 __(nil,X:S) -> X:S
 __(X:S,nil) -> X:S
 and(tt) -> X:S
 isNePal(__(I:S,__(P:S,I:S))) -> tt
-> The system has extra variables.

The problem is infinite.