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TRS Condi 20667 pair #381733067
details
property
value
status
complete
benchmark
353.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n089.star.cs.uiowa.edu
space
COPS
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
2.28474116325 seconds
cpu usage
5.762362619
max memory
2.9136896E8
stage attributes
key
value
output-size
15629
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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Quasi decreasingness of the given CTRS could be proven: (0) CTRS (1) CTRSToQTRSProof [SOUND, 0 ms] (2) QTRS (3) QTRSRRRProof [EQUIVALENT, 114 ms] (4) QTRS (5) QTRSRRRProof [EQUIVALENT, 0 ms] (6) QTRS (7) QTRSRRRProof [EQUIVALENT, 0 ms] (8) QTRS (9) QTRSRRRProof [EQUIVALENT, 6 ms] (10) QTRS (11) DependencyPairsProof [EQUIVALENT, 15 ms] (12) QDP (13) DependencyGraphProof [EQUIVALENT, 0 ms] (14) AND (15) QDP (16) UsableRulesProof [EQUIVALENT, 0 ms] (17) QDP (18) QDPSizeChangeProof [EQUIVALENT, 0 ms] (19) YES (20) QDP (21) UsableRulesReductionPairsProof [EQUIVALENT, 0 ms] (22) QDP (23) MRRProof [EQUIVALENT, 18 ms] (24) QDP (25) DependencyGraphProof [EQUIVALENT, 0 ms] (26) TRUE ---------------------------------------- (0) Obligation: Conditional term rewrite system: The TRS R consists of the following rules: ssp'(xs, 0) -> nil sub(z, 0) -> z get(cons(y, ys)) -> tp2(y, ys) The conditional TRS C consists of the following conditional rules: ssp'(cons(y', ws), v) -> cons(y', ys') <= sub(v, y') -> w, ssp'(ws, w) -> ys' ssp'(cons(x', xs'), v) -> cons(y', ys') <= get(xs') -> tp2(y', zs), sub(v, y') -> w, ssp'(cons(x', zs), w) -> ys' sub(s(v), s(w)) -> z <= sub(v, w) -> z get(cons(x', xs')) -> tp2(y, cons(x', zs)) <= get(xs') -> tp2(y, zs) ---------------------------------------- (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: ssp'(cons(y', ws), v) -> U1(sub(v, y'), y', ws) U1(w, y', ws) -> U2(ssp'(ws, w), y') U2(ys', y') -> cons(y', ys') ssp'(cons(x', xs'), v) -> U3(get(xs'), x', v) U3(tp2(y', zs), x', v) -> U4(sub(v, y'), x', y', zs) U4(w, x', y', zs) -> U5(ssp'(cons(x', zs), w), y') U5(ys', y') -> cons(y', ys') sub(s(v), s(w)) -> U6(sub(v, w)) U6(z) -> z get(cons(x', xs')) -> U7(get(xs'), x') U7(tp2(y, zs), x') -> tp2(y, cons(x', zs)) ssp'(xs, 0) -> nil sub(z, 0) -> z get(cons(y, ys)) -> tp2(y, ys) Q is empty. ---------------------------------------- (3) QTRSRRRProof (EQUIVALENT) Used ordering: Polynomial interpretation [POLO]: POL(0) = 0 POL(U1(x_1, x_2, x_3)) = x_1 + x_2 + 2*x_3 POL(U2(x_1, x_2)) = x_1 + x_2 POL(U3(x_1, x_2, x_3)) = 2*x_1 + 2*x_2 + x_3 POL(U4(x_1, x_2, x_3, x_4)) = x_1 + 2*x_2 + x_3 + 2*x_4
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