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SRS Standard pair #487513601
details
property
value
status
complete
benchmark
size-12-alpha-3-num-270.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n175.star.cs.uiowa.edu
space
Waldmann_07_size12
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
12.6530160904 seconds
cpu usage
47.302241105
max memory
4.615876608E9
stage attributes
key
value
output-size
2562
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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination w.r.t. Q of the given QTRS could be disproven: (0) QTRS (1) NonTerminationProof [COMPLETE, 2151 ms] (2) NO ---------------------------------------- (0) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: a(x1) -> x1 a(b(x1)) -> c(a(x1)) c(c(x1)) -> b(b(c(b(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: "a b b b c b b b c -> b b c b c b b c b a b b b c b b b c b" a b b b c b b b c -> b b c b c b b c b a b b b c b b b c b by OverlapClosure OC 3"a b b b c b b b c -> b b c b c b b c b a b b b c b a b b c b by OverlapClosure OC 2"a b b b c -> b b c b c b b c b a b a by OverlapClosure OC 3"a b b b c -> b b c b c c c b a by OverlapClosure OC 3"a b b b c -> b b c b c a b c b a by OverlapClosure OC 3"a b b b c -> b b c b a b b c b a by OverlapClosure OC 2"a b b -> b b c b a a by OverlapClosure OC 3"a b b -> c c a by OverlapClosure OC 2"a b -> c a by original rule (OC 1)""a b -> c a by original rule (OC 1)"""c c -> b b c b a by original rule (OC 1)"""a b c -> b b c b a by OverlapClosure OC 2"a b -> c by OverlapClosure OC 2"a b -> c a by original rule (OC 1)""a -> by original rule (OC 1)"""c c -> b b c b a by original rule (OC 1)""""a b -> c a by original rule (OC 1)"""a b -> c by OverlapClosure OC 2"a b -> c a by original rule (OC 1)""a -> by original rule (OC 1)""""c c -> b b c b a by original rule (OC 1)"""a b b b c -> b b c b a b b c b by OverlapClosure OC 2"a b b -> b b c b a a by OverlapClosure OC 3"a b b -> c c a by OverlapClosure OC 2"a b -> c a by original rule (OC 1)""a b -> c a by original rule (OC 1)"""c c -> b b c b a by original rule (OC 1)"""a b c -> b b c b by OverlapClosure OC 2"a b -> c by OverlapClosure OC 2"a b -> c a by original rule (OC 1)""a -> by original rule (OC 1)"""c c -> b b c b by OverlapClosure OC 2"c c -> b b c b a by original rule (OC 1)""a -> by original rule (OC 1)""""""a -> by original rule (OC 1)" ---------------------------------------- (2) NO
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