TRS Stand 20472 pair #381712770

details

property	value
status	complete
benchmark	Ex6_Luc98.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n047.star.cs.uiowa.edu
space	Strategy_removed_CSR_05

run statistics

property	value
solver	muterm 5.18
configuration	default
runtime (wallclock)	1.00781702995 seconds
cpu usage	0.439749353
max memory	1.1423744E7

stage attributes

key	value
output-size	863
starexec-result	NO

output

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


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


NO

Problem 1: 

(VAR X Y Z)
(RULES
first(0,X) -> nil
first(s(X),cons(Y,Z)) -> cons(Y,first(X,Z))
from(X) -> cons(X,from(s(X)))
)

Problem 1: 

Dependency Pairs Processor:
-> Pairs:
 FIRST(s(X),cons(Y,Z)) -> FIRST(X,Z)
 FROM(X) -> FROM(s(X))
-> Rules:
 first(0,X) -> nil
 first(s(X),cons(Y,Z)) -> cons(Y,first(X,Z))
 from(X) -> cons(X,from(s(X)))

Problem 1: 

Infinite Processor:
-> Pairs:
 FIRST(s(X),cons(Y,Z)) -> FIRST(X,Z)
 FROM(X) -> FROM(s(X))
-> Rules:
 first(0,X) -> nil
 first(s(X),cons(Y,Z)) -> cons(Y,first(X,Z))
 from(X) -> cons(X,from(s(X)))
-> Pairs in cycle:
 FROM(X) -> FROM(s(X))

The problem is infinite.

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