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TRS Conditional pair #516978631
details
property
value
status
complete
benchmark
333.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n141.star.cs.uiowa.edu
space
COPS
run statistics
property
value
solver
AProVE21
configuration
standard
runtime (wallclock)
2.70616412163 seconds
cpu usage
6.495346582
max memory
4.9485824E8
stage attributes
key
value
output-size
5231
starexec-result
YES
output
/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/benchmark/theBenchmark.xml # AProVE Commit ID: c69e44bd14796315568835c1ffa2502984884775 mhark 20210624 unpublished Quasi decreasingness of the given CTRS could be proven: (0) CTRS (1) CTRSToQTRSProof [SOUND, 0 ms] (2) QTRS (3) QTRSRRRProof [EQUIVALENT, 104 ms] (4) QTRS (5) QTRSRRRProof [EQUIVALENT, 17 ms] (6) QTRS (7) QTRSRRRProof [EQUIVALENT, 0 ms] (8) QTRS (9) QTRSRRRProof [EQUIVALENT, 0 ms] (10) QTRS (11) QTRSRRRProof [EQUIVALENT, 0 ms] (12) QTRS (13) RisEmptyProof [EQUIVALENT, 0 ms] (14) YES ---------------------------------------- (0) Obligation: Conditional term rewrite system: The TRS R consists of the following rules: h(a, a) -> i(b) h(a, b) -> i(c) h(b, b) -> i(d) The conditional TRS C consists of the following conditional rules: f(x) -> g(x, y, z) <= h(a, x) -> i(y), h(a, y) -> i(z) ---------------------------------------- (1) CTRSToQTRSProof (SOUND) The conditional rules have been transormed into unconditional rules according to [CTRS,AAECCNOC]. ---------------------------------------- (2) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: f(x) -> U1(h(a, x), x) U1(i(y), x) -> U2(h(a, y), x, y) U2(i(z), x, y) -> g(x, y, z) h(a, a) -> i(b) h(a, b) -> i(c) h(b, b) -> i(d) Q is empty. ---------------------------------------- (3) QTRSRRRProof (EQUIVALENT) Used ordering: Polynomial interpretation [POLO]: POL(U1(x_1, x_2)) = x_1 + x_2 POL(U2(x_1, x_2, x_3)) = x_1 + x_2 + x_3 POL(a) = 0 POL(b) = 0 POL(c) = 0 POL(d) = 0 POL(f(x_1)) = 2 + 2*x_1 POL(g(x_1, x_2, x_3)) = x_1 + x_2 + 2*x_3 POL(h(x_1, x_2)) = 2*x_1 + x_2 POL(i(x_1)) = 2*x_1 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: f(x) -> U1(h(a, x), x) ---------------------------------------- (4) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: U1(i(y), x) -> U2(h(a, y), x, y) U2(i(z), x, y) -> g(x, y, z) h(a, a) -> i(b) h(a, b) -> i(c)
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