details

property	value
status	complete
benchmark	2.27.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n028.star.cs.uiowa.edu
space	SK90

run statistics

property	value
solver	AProVE21
configuration	standard
runtime (wallclock)	2.15235996246 seconds
cpu usage	5.606625512
max memory	4.80374784E8

stage attributes

key	value
output-size	2031
starexec-result	YES

output

/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml # AProVE Commit ID: c69e44bd14796315568835c1ffa2502984884775 mhark 20210624 unpublished Termination w.r.t. Q of the given QTRS could be proven: (0) QTRS (1) QTRSRRRProof [EQUIVALENT, 112 ms] (2) QTRS (3) RisEmptyProof [EQUIVALENT, 0 ms] (4) YES ---------------------------------------- (0) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(0))) -> s(0) fib(s(s(x))) -> sp(g(x)) g(0) -> pair(s(0), 0) g(s(0)) -> pair(s(0), s(0)) g(s(x)) -> np(g(x)) sp(pair(x, y)) -> +(x, y) np(pair(x, y)) -> pair(+(x, y), x) +(x, 0) -> x +(x, s(y)) -> s(+(x, y)) Q is empty. ---------------------------------------- (1) QTRSRRRProof (EQUIVALENT) Used ordering: Quasi precedence: [fib_1, g_1] > [sp_1, np_1, +_2] > s_1 > [0, pair_2] Status: fib_1: multiset status 0: multiset status s_1: multiset status sp_1: multiset status g_1: multiset status pair_2: multiset status np_1: multiset status +_2: multiset status With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: fib(0) -> 0 fib(s(0)) -> s(0) fib(s(s(0))) -> s(0) fib(s(s(x))) -> sp(g(x)) g(0) -> pair(s(0), 0) g(s(0)) -> pair(s(0), s(0)) g(s(x)) -> np(g(x)) sp(pair(x, y)) -> +(x, y) np(pair(x, y)) -> pair(+(x, y), x) +(x, 0) -> x +(x, s(y)) -> s(+(x, y)) ---------------------------------------- (2) Obligation: Q restricted rewrite system: R is empty. Q is empty. ---------------------------------------- (3) RisEmptyProof (EQUIVALENT) The TRS R is empty. Hence, termination is trivially proven. ---------------------------------------- (4) YES popout

output may be truncated. 'popout' for the full output.

job log

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actions

all output return to TRS Standard