TRS Standard pair #487073978

details

property	value
status	complete
benchmark	aprove5.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n071.star.cs.uiowa.edu
space	Secret_05_TRS

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	2.06013 seconds
cpu usage	5.1046
user time	4.85342
system time	0.251181
max virtual memory	1.8876108E7
max residence set size	428164.0

stage attributes

key	value
starexec-result	YES

output

YES
proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


Termination w.r.t. Q of the given QTRS could be proven:

(0) QTRS
(1) DependencyPairsProof [EQUIVALENT, 0 ms]
(2) QDP
(3) DependencyGraphProof [EQUIVALENT, 0 ms]
(4) AND
    (5) QDP
        (6) UsableRulesProof [EQUIVALENT, 0 ms]
        (7) QDP
        (8) QDPSizeChangeProof [EQUIVALENT, 0 ms]
        (9) YES
    (10) QDP
        (11) UsableRulesProof [EQUIVALENT, 0 ms]
        (12) QDP
        (13) MNOCProof [EQUIVALENT, 0 ms]
        (14) QDP
        (15) DependencyGraphProof [EQUIVALENT, 0 ms]
        (16) AND
            (17) QDP
                (18) UsableRulesProof [EQUIVALENT, 0 ms]
                (19) QDP
                (20) QReductionProof [EQUIVALENT, 0 ms]
                (21) QDP
                (22) QDPOrderProof [EQUIVALENT, 21 ms]
                (23) QDP
                (24) PisEmptyProof [EQUIVALENT, 0 ms]
                (25) YES
            (26) QDP
                (27) QDPSizeChangeProof [EQUIVALENT, 0 ms]
                (28) YES
    (29) QDP
        (30) UsableRulesProof [EQUIVALENT, 0 ms]
        (31) QDP
        (32) MNOCProof [EQUIVALENT, 0 ms]
        (33) QDP
        (34) UsableRulesReductionPairsProof [EQUIVALENT, 15 ms]
        (35) QDP
        (36) TransformationProof [EQUIVALENT, 0 ms]
        (37) QDP
        (38) UsableRulesProof [EQUIVALENT, 0 ms]
        (39) QDP
        (40) QDPOrderProof [EQUIVALENT, 0 ms]
        (41) QDP
        (42) PisEmptyProof [EQUIVALENT, 0 ms]
        (43) YES
    (44) QDP
        (45) QDPOrderProof [EQUIVALENT, 15 ms]
        (46) QDP
        (47) QDPOrderProof [EQUIVALENT, 0 ms]
        (48) QDP
        (49) PisEmptyProof [EQUIVALENT, 0 ms]
        (50) YES


----------------------------------------

(0)
Obligation:
Q restricted rewrite system:
The TRS R consists of the following rules:

   minus(x, 0) -> x
   minus(0, y) -> 0
   minus(s(x), s(y)) -> minus(p(s(x)), p(s(y)))
   minus(x, plus(y, z)) -> minus(minus(x, y), z)
   p(s(s(x))) -> s(p(s(x)))
   p(0) -> s(s(0))
   div(s(x), s(y)) -> s(div(minus(x, y), s(y)))
   div(plus(x, y), z) -> plus(div(x, z), div(y, z))
   plus(0, y) -> y
   plus(s(x), y) -> s(plus(y, minus(s(x), s(0))))

Q is empty.

----------------------------------------

(1) DependencyPairsProof (EQUIVALENT)
Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem.
----------------------------------------

(2)
Obligation:
Q DP problem:
The TRS P consists of the following rules:

   MINUS(s(x), s(y)) -> MINUS(p(s(x)), p(s(y)))
   MINUS(s(x), s(y)) -> P(s(x))
   MINUS(s(x), s(y)) -> P(s(y))
   MINUS(x, plus(y, z)) -> MINUS(minus(x, y), z)
   MINUS(x, plus(y, z)) -> MINUS(x, y)
   P(s(s(x))) -> P(s(x))
   DIV(s(x), s(y)) -> DIV(minus(x, y), s(y))
   DIV(s(x), s(y)) -> MINUS(x, y)
   DIV(plus(x, y), z) -> PLUS(div(x, z), div(y, z))

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