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TRS Stand 20472 pair #381714653
details
property
value
status
complete
benchmark
z18.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n105.star.cs.uiowa.edu
space
Zantema_05
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
1.63400578499 seconds
cpu usage
3.737756553
max memory
2.32951808E8
stage attributes
key
value
output-size
4841
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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination w.r.t. Q of the given QTRS could be proven: (0) QTRS (1) DependencyPairsProof [EQUIVALENT, 0 ms] (2) QDP (3) UsableRulesProof [EQUIVALENT, 0 ms] (4) QDP (5) QDPToSRSProof [SOUND, 0 ms] (6) QTRS (7) DependencyPairsProof [EQUIVALENT, 0 ms] (8) QDP (9) MNOCProof [EQUIVALENT, 0 ms] (10) QDP (11) UsableRulesProof [EQUIVALENT, 0 ms] (12) QDP (13) QReductionProof [EQUIVALENT, 0 ms] (14) QDP (15) QDPSizeChangeProof [EQUIVALENT, 0 ms] (16) YES ---------------------------------------- (0) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(x, a(b(y))) -> a(f(a(b(x)), y)) f(a(x), y) -> f(x, a(y)) f(b(x), y) -> f(x, b(y)) Q is empty. ---------------------------------------- (1) DependencyPairsProof (EQUIVALENT) Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. ---------------------------------------- (2) Obligation: Q DP problem: The TRS P consists of the following rules: F(x, a(b(y))) -> F(a(b(x)), y) F(a(x), y) -> F(x, a(y)) F(b(x), y) -> F(x, b(y)) The TRS R consists of the following rules: f(x, a(b(y))) -> a(f(a(b(x)), y)) f(a(x), y) -> f(x, a(y)) f(b(x), y) -> f(x, b(y)) Q is empty. We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (3) UsableRulesProof (EQUIVALENT) We can use the usable rules and reduction pair processor [LPAR04] with the Ce-compatible extension of the polynomial order that maps every function symbol to the sum of its arguments. Then, we can delete all non-usable rules [FROCOS05] from R. ---------------------------------------- (4) Obligation: Q DP problem: The TRS P consists of the following rules: F(x, a(b(y))) -> F(a(b(x)), y) F(a(x), y) -> F(x, a(y)) F(b(x), y) -> F(x, b(y)) R is empty. Q is empty. We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (5) QDPToSRSProof (SOUND) The finiteness of this DP problem is implied by strong termination of a SRS due to [UNKNOWN]. ---------------------------------------- (6) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: a(b(x)) -> b(a(x))
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