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Logic Progr 19030 pair #381919757
details
property
value
status
complete
benchmark
queens.pl
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n030.star.cs.uiowa.edu
space
talp_mixed
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
3.12236905098 seconds
cpu usage
8.680622582
max memory
7.69298432E8
stage attributes
key
value
output-size
69602
starexec-result
YES
output
/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.pl /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/benchmark/theBenchmark.pl # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Left Termination of the query pattern queens(a) w.r.t. the given Prolog program could successfully be proven: (0) Prolog (1) PrologToPiTRSProof [SOUND, 0 ms] (2) PiTRS (3) DependencyPairsProof [EQUIVALENT, 48 ms] (4) PiDP (5) DependencyGraphProof [EQUIVALENT, 0 ms] (6) AND (7) PiDP (8) UsableRulesProof [EQUIVALENT, 0 ms] (9) PiDP (10) PiDPToQDPProof [SOUND, 0 ms] (11) QDP (12) QDPSizeChangeProof [EQUIVALENT, 0 ms] (13) YES (14) PiDP (15) UsableRulesProof [EQUIVALENT, 0 ms] (16) PiDP (17) PiDPToQDPProof [EQUIVALENT, 0 ms] (18) QDP (19) QDPSizeChangeProof [EQUIVALENT, 0 ms] (20) YES (21) PiDP (22) UsableRulesProof [EQUIVALENT, 0 ms] (23) PiDP (24) PiDPToQDPProof [SOUND, 0 ms] (25) QDP (26) QDPSizeChangeProof [EQUIVALENT, 0 ms] (27) YES (28) PiDP (29) UsableRulesProof [EQUIVALENT, 0 ms] (30) PiDP (31) PiDPToQDPProof [SOUND, 0 ms] (32) QDP (33) QDPSizeChangeProof [EQUIVALENT, 0 ms] (34) YES (35) PiDP (36) UsableRulesProof [EQUIVALENT, 0 ms] (37) PiDP (38) PiDPToQDPProof [SOUND, 0 ms] (39) QDP (40) QDPSizeChangeProof [EQUIVALENT, 0 ms] (41) YES (42) PiDP (43) UsableRulesProof [EQUIVALENT, 0 ms] (44) PiDP (45) PiDPToQDPProof [SOUND, 0 ms] (46) QDP (47) MRRProof [EQUIVALENT, 57 ms] (48) QDP (49) DependencyGraphProof [EQUIVALENT, 0 ms] (50) TRUE ---------------------------------------- (0) Obligation: Clauses: queens(Y) :- ','(perm(.(s(0), .(s(s(0)), .(s(s(s(0))), .(s(s(s(s(0)))), .(s(s(s(s(s(0))))), .(s(s(s(s(s(s(0)))))), .(s(s(s(s(s(s(s(0))))))), .(s(s(s(s(s(s(s(s(0)))))))), [])))))))), Y), safe(Y)). perm([], []). perm(.(X, Y), .(V, Res)) :- ','(delete(V, .(X, Y), Rest), perm(Rest, Res)). delete(X, .(X, Y), Y). delete(X, .(F, T), .(F, R)) :- delete(X, T, R). safe([]). safe(.(X, Y)) :- ','(noattack(X, Y, s(0)), safe(Y)). noattack(X, [], N). noattack(X, .(F, T), N) :- ','(notEq(X, F), ','(add(F, N, FplusN), ','(notEq(X, FplusN), ','(add(X, N, XplusN), ','(notEq(F, XplusN), noattack(X, T, s(N))))))). add(0, X, X). add(s(X), Y, s(Z)) :- add(X, Y, Z). notEq(0, s(X)). notEq(s(X), 0). notEq(s(X), s(Y)) :- notEq(X, Y). Query: queens(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: queens_in_1: (f)
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