/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 X:S Y:S)
(RULES
f(X:S) -> if(X:S,c)
if(ffalse,X:S) -> Y:S
if(ttrue,X:S) -> X:S
)

Problem 1: 

Extra Variables Processor:
-> Rules:
 f(X:S) -> if(X:S,c)
 if(ffalse,X:S) -> Y:S
 if(ttrue,X:S) -> X:S
-> The system has extra variables.

The problem is infinite.