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Logic Progr 19030 pair #381920049
details
property
value
status
complete
benchmark
preorder.pl
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n053.star.cs.uiowa.edu
space
SGST06
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
1.72033309937 seconds
cpu usage
3.95906156
max memory
2.62537216E8
stage attributes
key
value
output-size
12632
starexec-result
YES
output
/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.pl /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox2/benchmark/theBenchmark.pl # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Left Termination of the query pattern preorder(g,a) w.r.t. the given Prolog program could successfully be proven: (0) Prolog (1) PrologToPiTRSProof [SOUND, 0 ms] (2) PiTRS (3) DependencyPairsProof [EQUIVALENT, 0 ms] (4) PiDP (5) DependencyGraphProof [EQUIVALENT, 0 ms] (6) PiDP (7) UsableRulesProof [EQUIVALENT, 0 ms] (8) PiDP (9) PiDPToQDPProof [SOUND, 0 ms] (10) QDP (11) QDPSizeChangeProof [EQUIVALENT, 0 ms] (12) YES ---------------------------------------- (0) Obligation: Clauses: preorder(T, Xs) :- preorder_dl(T, -(Xs, [])). preorder_dl(nil, -(X, X)). preorder_dl(tree(L, X, R), -(.(X, Xs), Zs)) :- ','(preorder_dl(L, -(Xs, Ys)), preorder_dl(R, -(Ys, Zs))). Query: preorder(g,a) ---------------------------------------- (1) PrologToPiTRSProof (SOUND) We use the technique of [TOCL09]. With regard to the inferred argument filtering the predicates were used in the following modes: preorder_in_2: (b,f) preorder_dl_in_2: (b,f) Transforming Prolog into the following Term Rewriting System: Pi-finite rewrite system: The TRS R consists of the following rules: preorder_in_ga(T, Xs) -> U1_ga(T, Xs, preorder_dl_in_ga(T, -(Xs, []))) preorder_dl_in_ga(nil, -(X, X)) -> preorder_dl_out_ga(nil, -(X, X)) preorder_dl_in_ga(tree(L, X, R), -(.(X, Xs), Zs)) -> U2_ga(L, X, R, Xs, Zs, preorder_dl_in_ga(L, -(Xs, Ys))) U2_ga(L, X, R, Xs, Zs, preorder_dl_out_ga(L, -(Xs, Ys))) -> U3_ga(L, X, R, Xs, Zs, preorder_dl_in_ga(R, -(Ys, Zs))) U3_ga(L, X, R, Xs, Zs, preorder_dl_out_ga(R, -(Ys, Zs))) -> preorder_dl_out_ga(tree(L, X, R), -(.(X, Xs), Zs)) U1_ga(T, Xs, preorder_dl_out_ga(T, -(Xs, []))) -> preorder_out_ga(T, Xs) The argument filtering Pi contains the following mapping: preorder_in_ga(x1, x2) = preorder_in_ga(x1) U1_ga(x1, x2, x3) = U1_ga(x3) preorder_dl_in_ga(x1, x2) = preorder_dl_in_ga(x1) nil = nil preorder_dl_out_ga(x1, x2) = preorder_dl_out_ga tree(x1, x2, x3) = tree(x1, x2, x3) U2_ga(x1, x2, x3, x4, x5, x6) = U2_ga(x3, x6) U3_ga(x1, x2, x3, x4, x5, x6) = U3_ga(x6) preorder_out_ga(x1, x2) = preorder_out_ga Infinitary Constructor Rewriting Termination of PiTRS implies Termination of Prolog ---------------------------------------- (2) Obligation: Pi-finite rewrite system: The TRS R consists of the following rules: preorder_in_ga(T, Xs) -> U1_ga(T, Xs, preorder_dl_in_ga(T, -(Xs, [])))
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