details

property	value
status	complete
benchmark	search_tree.pl
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n080.star.cs.uiowa.edu
space	BCGGV05

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	3.64275598526 seconds
cpu usage	5.280751403
max memory	4.4290048E8

stage attributes

key	value
output-size	33814
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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Left Termination of the query pattern search_tree(g) w.r.t. the given Prolog program could successfully be proven: (0) Prolog (1) PrologToPiTRSProof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) AND (7) PiDP (8) UsableRulesProof [EQUIVALENT, 0 ms] (9) PiDP (10) PiDPToQDPProof [EQUIVALENT, 0 ms] (11) QDP (12) QDPSizeChangeProof [EQUIVALENT, 0 ms] (13) YES (14) PiDP (15) UsableRulesProof [EQUIVALENT, 0 ms] (16) PiDP (17) PiDPToQDPProof [SOUND, 0 ms] (18) QDP (19) QDPSizeChangeProof [EQUIVALENT, 0 ms] (20) YES ---------------------------------------- (0) Obligation: Clauses: search_tree(void). search_tree(T) :- search_tree(T, X1, X2). search_tree(tree(X, void, void), X, X). search_tree(tree(X, void, Right), X, Max) :- ','(search_tree(Right, Min, Max), less(X, Min)). search_tree(tree(X, Left, void), Min, X) :- ','(search_tree(Left, Min, Max), less(Max, X)). search_tree(tree(X, Left, Right), Min1, Max2) :- ','(search_tree(Left, Min1, Max1), ','(less(Max1, X), ','(search_tree(Right, Min2, Max2), less(X, Min2)))). less(0, s(X3)). less(s(X), s(Y)) :- less(X, Y). Query: search_tree(g) ---------------------------------------- (1) PrologToPiTRSProof (SOUND) We use the technique of [TOCL09]. With regard to the inferred argument filtering the predicates were used in the following modes: search_tree_in_1: (b) search_tree_in_3: (b,f,f) less_in_2: (b,b) Transforming Prolog into the following Term Rewriting System: Pi-finite rewrite system: The TRS R consists of the following rules: search_tree_in_g(void) -> search_tree_out_g(void) search_tree_in_g(T) -> U1_g(T, search_tree_in_gaa(T, X1, X2)) search_tree_in_gaa(tree(X, void, void), X, X) -> search_tree_out_gaa(tree(X, void, void), X, X) search_tree_in_gaa(tree(X, void, Right), X, Max) -> U2_gaa(X, Right, Max, search_tree_in_gaa(Right, Min, Max)) search_tree_in_gaa(tree(X, Left, void), Min, X) -> U4_gaa(X, Left, Min, search_tree_in_gaa(Left, Min, Max)) search_tree_in_gaa(tree(X, Left, Right), Min1, Max2) -> U6_gaa(X, Left, Right, Min1, Max2, search_tree_in_gaa(Left, Min1, Max1)) U6_gaa(X, Left, Right, Min1, Max2, search_tree_out_gaa(Left, Min1, Max1)) -> U7_gaa(X, Left, Right, Min1, Max2, Max1, less_in_gg(Max1, X)) less_in_gg(0, s(X3)) -> less_out_gg(0, s(X3)) less_in_gg(s(X), s(Y)) -> U10_gg(X, Y, less_in_gg(X, Y)) U10_gg(X, Y, less_out_gg(X, Y)) -> less_out_gg(s(X), s(Y)) U7_gaa(X, Left, Right, Min1, Max2, Max1, less_out_gg(Max1, X)) -> U8_gaa(X, Left, Right, Min1, Max2, search_tree_in_gaa(Right, Min2, Max2)) U8_gaa(X, Left, Right, Min1, Max2, search_tree_out_gaa(Right, Min2, Max2)) -> U9_gaa(X, Left, Right, Min1, Max2, less_in_gg(X, Min2)) U9_gaa(X, Left, Right, Min1, Max2, less_out_gg(X, Min2)) -> search_tree_out_gaa(tree(X, Left, Right), Min1, Max2) U4_gaa(X, Left, Min, search_tree_out_gaa(Left, Min, Max)) -> U5_gaa(X, Left, Min, less_in_gg(Max, X)) U5_gaa(X, Left, Min, less_out_gg(Max, X)) -> search_tree_out_gaa(tree(X, Left, void), Min, X) U2_gaa(X, Right, Max, search_tree_out_gaa(Right, Min, Max)) -> U3_gaa(X, Right, Max, less_in_gg(X, Min)) U3_gaa(X, Right, Max, less_out_gg(X, Min)) -> search_tree_out_gaa(tree(X, void, Right), X, Max) U1_g(T, search_tree_out_gaa(T, X1, X2)) -> search_tree_out_g(T) The argument filtering Pi contains the following mapping: search_tree_in_g(x1) = search_tree_in_g(x1) void = void search_tree_out_g(x1) = search_tree_out_g U1_g(x1, x2) = U1_g(x2) popout

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