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Logic Programming pair #487096690
details
property
value
status
complete
benchmark
mergesort.pl
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n139.star.cs.uiowa.edu
space
lpexamples
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
3.86905 seconds
cpu usage
12.1473
user time
11.3974
system time
0.749922
max virtual memory
1.9609712E7
max residence set size
1290460.0
stage attributes
key
value
starexec-result
YES
output
YES proof of /export/starexec/sandbox2/benchmark/theBenchmark.pl # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Left Termination of the query pattern mergesort(g,a) w.r.t. the given Prolog program could successfully be proven: (0) Prolog (1) PrologToTRSTransformerProof [SOUND, 33 ms] (2) QTRS (3) Overlay + Local Confluence [EQUIVALENT, 0 ms] (4) QTRS (5) DependencyPairsProof [EQUIVALENT, 0 ms] (6) QDP (7) DependencyGraphProof [EQUIVALENT, 0 ms] (8) AND (9) QDP (10) UsableRulesProof [EQUIVALENT, 0 ms] (11) QDP (12) QReductionProof [EQUIVALENT, 0 ms] (13) QDP (14) QDPSizeChangeProof [EQUIVALENT, 0 ms] (15) YES (16) QDP (17) UsableRulesProof [EQUIVALENT, 0 ms] (18) QDP (19) QReductionProof [EQUIVALENT, 0 ms] (20) QDP (21) QDPSizeChangeProof [EQUIVALENT, 0 ms] (22) YES (23) QDP (24) TransformationProof [EQUIVALENT, 0 ms] (25) QDP (26) QDPQMonotonicMRRProof [EQUIVALENT, 92 ms] (27) QDP (28) DependencyGraphProof [EQUIVALENT, 0 ms] (29) TRUE ---------------------------------------- (0) Obligation: Clauses: mergesort([], []). mergesort(.(X, []), .(X, [])). mergesort(.(X, .(Y, Xs)), Ys) :- ','(split(.(X, .(Y, Xs)), X1s, X2s), ','(mergesort(X1s, Y1s), ','(mergesort(X2s, Y2s), merge(Y1s, Y2s, Ys)))). split([], [], []). split(.(X, Xs), .(X, Ys), Zs) :- split(Xs, Zs, Ys). merge([], Xs, Xs). merge(Xs, [], Xs). merge(.(X, Xs), .(Y, Ys), .(X, Zs)) :- ','(=(X, Y), merge(.(X, Xs), Ys, Zs)). Query: mergesort(g,a) ---------------------------------------- (1) PrologToTRSTransformerProof (SOUND) Transformed Prolog program to TRS. { "root": 20, "program": { "directives": [], "clauses": [ [ "(mergesort ([]) ([]))", null ], [ "(mergesort (. X ([])) (. X ([])))", null ], [ "(mergesort (. X (. Y Xs)) Ys)", "(',' (split (. X (. Y Xs)) X1s X2s) (',' (mergesort X1s Y1s) (',' (mergesort X2s Y2s) (merge Y1s Y2s Ys))))" ], [ "(split ([]) ([]) ([]))", null ], [ "(split (. X Xs) (. X Ys) Zs)", "(split Xs Zs Ys)" ], [ "(merge ([]) Xs Xs)", null ], [ "(merge Xs ([]) Xs)", null ], [ "(merge (. X Xs) (. Y Ys) (. X Zs))",
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