details

property	value
status	complete
benchmark	04-oppelt08.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n134.star.cs.uiowa.edu
space	Mixed_SRS

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	7.47695493698 seconds
cpu usage	18.959902865
max memory	2.230112256E9

stage attributes

key	value
output-size	1633
starexec-result	NO

output

/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO proof of /export/starexec/sandbox/benchmark/theBenchmark.xml # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination w.r.t. Q of the given QTRS could be disproven: (0) QTRS (1) NonTerminationProof [COMPLETE, 768 ms] (2) NO ---------------------------------------- (0) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: b(b(x1)) -> b(a(x1)) a(b(x1)) -> b(c(c(x1))) a(c(x1)) -> a(a(x1)) c(a(x1)) -> b(a(a(x1))) Q is empty. ---------------------------------------- (1) NonTerminationProof (COMPLETE) We used the non-termination processor [OPPELT08] to show that the SRS problem is infinite. Found the self-embedding DerivationStructure: "b a (c)^k b a -> b a (c)^2k+1 b a a" b a (c)^k b a -> b a (c)^2k+1 b a a by Overlap u with l (ol4)"a (c)^k b a -> b (c)^2k+1 b a a by Equivalent"a (c)^k b a -> b (c c)^k c b a a by Overlapping Derivationstructures"a (c)^k b a -> (a)^k b c b a a by Overlap u with r (ol3)"a (c)^k -> (a)^k a by Selfoverlapping OC am2"a c -> a a by original rule (OC 1)"""a b a -> b c b a a by OverlapClosure OC 2"a b -> b c c by original rule (OC 1)""c a -> b a a by original rule (OC 1)""""(a)^k b -> b (c c)^k by Selfoverlapping OC am1"a b -> b c c by original rule (OC 1)"""""b b -> b a by original rule (OC 1)" ---------------------------------------- (2) NO popout

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

job log

popout

actions

all output return to SRS Standard