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Higher_Order_Rewriting_Union_Beta 2019-03-28 22.10 pair #432270559
details
property
value
status
complete
benchmark
AotoYamada_05__Ex5TermProof.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n002.star.cs.uiowa.edu
space
Uncurried_Applicative_11
run statistics
property
value
solver
Wanda 2.1c
configuration
default
runtime (wallclock)
1.23277 seconds
cpu usage
0.540832
user time
0.497901
system time
0.042931
max virtual memory
134136.0
max residence set size
18644.0
stage attributes
key
value
starexec-result
YES
output
0.47/1.20 YES 0.51/1.23 We consider the system theBenchmark. 0.51/1.23 0.51/1.23 Alphabet: 0.51/1.23 0.51/1.23 0 : [] --> a 0.51/1.23 add : [a * a] --> a 0.51/1.23 fact : [] --> a -> a 0.51/1.23 mult : [] --> a -> a -> a 0.51/1.23 rec : [a -> a -> a * a] --> a -> a 0.51/1.23 s : [a] --> a 0.51/1.23 0.51/1.23 Rules: 0.51/1.23 0.51/1.23 add(0, x) => x 0.51/1.23 add(s(x), y) => s(add(x, y)) 0.51/1.23 mult 0 x => 0 0.51/1.23 mult s(x) y => add(mult x y, y) 0.51/1.23 rec(f, x) 0 => x 0.51/1.23 rec(f, x) s(y) => f s(y) (rec(f, x) y) 0.51/1.23 fact => rec(mult, s(0)) 0.51/1.23 0.51/1.23 This AFS is converted to an AFSM simply by replacing all free variables by meta-variables (with arity 0). 0.51/1.23 0.51/1.23 We use rule removal, following [Kop12, Theorem 2.23]. 0.51/1.23 0.51/1.23 This gives the following requirements (possibly using Theorems 2.25 and 2.26 in [Kop12]): 0.51/1.23 0.51/1.23 add(0, X) >? X 0.51/1.23 add(s(X), Y) >? s(add(X, Y)) 0.51/1.23 mult 0 X >? 0 0.51/1.23 mult s(X) Y >? add(mult X Y, Y) 0.51/1.23 rec(F, X) 0 >? X 0.51/1.23 rec(F, X) s(Y) >? F s(Y) (rec(F, X) Y) 0.51/1.23 fact >? rec(mult, s(0)) 0.51/1.23 0.51/1.23 We use a recursive path ordering as defined in [Kop12, Chapter 5]. 0.51/1.23 0.51/1.23 Argument functions: 0.51/1.23 0.51/1.23 [[0]] = _|_ 0.51/1.23 0.51/1.23 We choose Lex = {} and Mul = {@_{o -> o -> o}, @_{o -> o}, add, fact, mult, rec, s}, and the following precedence: fact > mult > add > rec > @_{o -> o -> o} > @_{o -> o} > s 0.51/1.23 0.51/1.23 Taking the argument function into account, and fixing the greater / greater equal choices, the constraints can be denoted as follows: 0.51/1.23 0.51/1.23 add(_|_, X) > X 0.51/1.23 add(s(X), Y) >= s(add(X, Y)) 0.51/1.23 @_{o -> o}(@_{o -> o -> o}(mult, _|_), X) >= _|_ 0.51/1.23 @_{o -> o}(@_{o -> o -> o}(mult, s(X)), Y) > add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) 0.51/1.23 @_{o -> o}(rec(F, X), _|_) >= X 0.51/1.23 @_{o -> o}(rec(F, X), s(Y)) > @_{o -> o}(@_{o -> o -> o}(F, s(Y)), @_{o -> o}(rec(F, X), Y)) 0.51/1.23 fact >= rec(mult, s(_|_)) 0.51/1.23 0.51/1.23 With these choices, we have: 0.51/1.23 0.51/1.23 1] add(_|_, X) > X because [2], by definition 0.51/1.23 2] add*(_|_, X) >= X because [3], by (Select) 0.51/1.23 3] X >= X by (Meta) 0.51/1.23 0.51/1.23 4] add(s(X), Y) >= s(add(X, Y)) because [5], by (Star) 0.51/1.23 5] add*(s(X), Y) >= s(add(X, Y)) because add > s and [6], by (Copy) 0.51/1.23 6] add*(s(X), Y) >= add(X, Y) because add in Mul, [7] and [10], by (Stat) 0.51/1.23 7] s(X) > X because [8], by definition 0.51/1.23 8] s*(X) >= X because [9], by (Select) 0.51/1.23 9] X >= X by (Meta) 0.51/1.23 10] Y >= Y by (Meta) 0.51/1.23 0.51/1.23 11] @_{o -> o}(@_{o -> o -> o}(mult, _|_), X) >= _|_ by (Bot) 0.51/1.23 0.51/1.23 12] @_{o -> o}(@_{o -> o -> o}(mult, s(X)), Y) > add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) because [13], by definition 0.51/1.23 13] @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y) >= add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) because [14], by (Select) 0.51/1.23 14] @_{o -> o -> o}(mult, s(X)) @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y) >= add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) because [15] 0.51/1.23 15] @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)) >= add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) because [16], by (Select) 0.51/1.23 16] mult @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)) @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)) >= add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) because [17] 0.51/1.23 17] mult*(@_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)), @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y))) >= add(@_{o -> o}(@_{o -> o -> o}(mult, X), Y), Y) because mult > add, [18] and [28], by (Copy) 0.51/1.23 18] mult*(@_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)), @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y))) >= @_{o -> o}(@_{o -> o -> o}(mult, X), Y) because [19], by (Select) 0.51/1.23 19] @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)) >= @_{o -> o}(@_{o -> o -> o}(mult, X), Y) because [20], by (Select) 0.51/1.23 20] @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y) >= @_{o -> o}(@_{o -> o -> o}(mult, X), Y) because @_{o -> o} in Mul, [21] and [27], by (Stat) 0.51/1.23 21] @_{o -> o -> o}(mult, s(X)) > @_{o -> o -> o}(mult, X) because [22], by definition 0.51/1.23 22] @_{o -> o -> o}*(mult, s(X)) >= @_{o -> o -> o}(mult, X) because @_{o -> o -> o} in Mul, [23] and [24], by (Stat) 0.51/1.23 23] mult >= mult by (Fun) 0.51/1.23 24] s(X) > X because [25], by definition 0.51/1.23 25] s*(X) >= X because [26], by (Select) 0.51/1.23 26] X >= X by (Meta) 0.51/1.23 27] Y >= Y by (Meta) 0.51/1.23 28] mult*(@_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)), @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y))) >= Y because [29], by (Select) 0.51/1.23 29] @_{o -> o -> o}*(mult, s(X), @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y)) >= Y because [30], by (Select) 0.51/1.23 30] @_{o -> o}*(@_{o -> o -> o}(mult, s(X)), Y) >= Y because [27], by (Select) 0.51/1.23 0.51/1.23 31] @_{o -> o}(rec(F, X), _|_) >= X because [32], by (Star) 0.51/1.23 32] @_{o -> o}*(rec(F, X), _|_) >= X because [33], by (Select) 0.51/1.23 33] rec(F, X) @_{o -> o}*(rec(F, X), _|_) >= X because [34] 0.51/1.23 34] rec*(F, X, @_{o -> o}*(rec(F, X), _|_)) >= X because [35], by (Select) 0.51/1.23 35] X >= X by (Meta) 0.51/1.23 0.51/1.23 36] @_{o -> o}(rec(F, X), s(Y)) > @_{o -> o}(@_{o -> o -> o}(F, s(Y)), @_{o -> o}(rec(F, X), Y)) because [37], by definition 0.51/1.23 37] @_{o -> o}*(rec(F, X), s(Y)) >= @_{o -> o}(@_{o -> o -> o}(F, s(Y)), @_{o -> o}(rec(F, X), Y)) because [38], by (Select) 0.51/1.23 38] rec(F, X) @_{o -> o}*(rec(F, X), s(Y)) >= @_{o -> o}(@_{o -> o -> o}(F, s(Y)), @_{o -> o}(rec(F, X), Y)) because [39] 0.51/1.23 39] rec*(F, X, @_{o -> o}*(rec(F, X), s(Y))) >= @_{o -> o}(@_{o -> o -> o}(F, s(Y)), @_{o -> o}(rec(F, X), Y)) because rec > @_{o -> o}, [40] and [49], by (Copy)
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