0 QTRS
↳1 Overlay + Local Confluence (⇔)
↳2 QTRS
↳3 DependencyPairsProof (⇔)
↳4 QDP
↳5 DependencyGraphProof (⇔)
↳6 AND
↳7 QDP
↳8 UsableRulesProof (⇔)
↳9 QDP
↳10 QReductionProof (⇔)
↳11 QDP
↳12 QDPSizeChangeProof (⇔)
↳13 TRUE
↳14 QDP
↳15 UsableRulesProof (⇔)
↳16 QDP
↳17 QReductionProof (⇔)
↳18 QDP
↳19 QDPSizeChangeProof (⇔)
↳20 TRUE
↳21 QDP
↳22 UsableRulesProof (⇔)
↳23 QDP
↳24 QReductionProof (⇔)
↳25 QDP
↳26 Narrowing (⇔)
↳27 QDP
↳28 DependencyGraphProof (⇔)
↳29 QDP
↳30 UsableRulesProof (⇔)
↳31 QDP
↳32 QReductionProof (⇔)
↳33 QDP
↳34 Narrowing (⇔)
↳35 QDP
↳36 DependencyGraphProof (⇔)
↳37 QDP
↳38 Narrowing (⇔)
↳39 QDP
↳40 Instantiation (⇔)
↳41 QDP
↳42 DependencyGraphProof (⇔)
↳43 QDP
↳44 ForwardInstantiation (⇔)
↳45 QDP
↳46 DependencyGraphProof (⇔)
↳47 QDP
↳48 QDPOrderProof (⇔)
↳49 QDP
↳50 DependencyGraphProof (⇔)
↳51 TRUE
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
isZero(0) → true
isZero(s(x)) → false
mod(x, y) → if_mod(isZero(y), le(y, x), x, y, minus(x, y))
if_mod(true, b, x, y, z) → divByZeroError
if_mod(false, false, x, y, z) → x
if_mod(false, true, x, y, z) → mod(z, y)
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
isZero(0) → true
isZero(s(x)) → false
mod(x, y) → if_mod(isZero(y), le(y, x), x, y, minus(x, y))
if_mod(true, b, x, y, z) → divByZeroError
if_mod(false, false, x, y, z) → x
if_mod(false, true, x, y, z) → mod(z, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
LE(s(x), s(y)) → LE(x, y)
MINUS(s(x), s(y)) → MINUS(x, y)
MOD(x, y) → IF_MOD(isZero(y), le(y, x), x, y, minus(x, y))
MOD(x, y) → ISZERO(y)
MOD(x, y) → LE(y, x)
MOD(x, y) → MINUS(x, y)
IF_MOD(false, true, x, y, z) → MOD(z, y)
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
isZero(0) → true
isZero(s(x)) → false
mod(x, y) → if_mod(isZero(y), le(y, x), x, y, minus(x, y))
if_mod(true, b, x, y, z) → divByZeroError
if_mod(false, false, x, y, z) → x
if_mod(false, true, x, y, z) → mod(z, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
MINUS(s(x), s(y)) → MINUS(x, y)
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
isZero(0) → true
isZero(s(x)) → false
mod(x, y) → if_mod(isZero(y), le(y, x), x, y, minus(x, y))
if_mod(true, b, x, y, z) → divByZeroError
if_mod(false, false, x, y, z) → x
if_mod(false, true, x, y, z) → mod(z, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
MINUS(s(x), s(y)) → MINUS(x, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
MINUS(s(x), s(y)) → MINUS(x, y)
From the DPs we obtained the following set of size-change graphs:
LE(s(x), s(y)) → LE(x, y)
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
isZero(0) → true
isZero(s(x)) → false
mod(x, y) → if_mod(isZero(y), le(y, x), x, y, minus(x, y))
if_mod(true, b, x, y, z) → divByZeroError
if_mod(false, false, x, y, z) → x
if_mod(false, true, x, y, z) → mod(z, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
LE(s(x), s(y)) → LE(x, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
LE(s(x), s(y)) → LE(x, y)
From the DPs we obtained the following set of size-change graphs:
MOD(x, y) → IF_MOD(isZero(y), le(y, x), x, y, minus(x, y))
IF_MOD(false, true, x, y, z) → MOD(z, y)
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
isZero(0) → true
isZero(s(x)) → false
mod(x, y) → if_mod(isZero(y), le(y, x), x, y, minus(x, y))
if_mod(true, b, x, y, z) → divByZeroError
if_mod(false, false, x, y, z) → x
if_mod(false, true, x, y, z) → mod(z, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
MOD(x, y) → IF_MOD(isZero(y), le(y, x), x, y, minus(x, y))
IF_MOD(false, true, x, y, z) → MOD(z, y)
isZero(0) → true
isZero(s(x)) → false
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
mod(x0, x1)
if_mod(true, x0, x1, x2, x3)
if_mod(false, false, x0, x1, x2)
if_mod(false, true, x0, x1, x2)
MOD(x, y) → IF_MOD(isZero(y), le(y, x), x, y, minus(x, y))
IF_MOD(false, true, x, y, z) → MOD(z, y)
isZero(0) → true
isZero(s(x)) → false
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
MOD(y0, 0) → IF_MOD(true, le(0, y0), y0, 0, minus(y0, 0))
MOD(y0, s(x0)) → IF_MOD(false, le(s(x0), y0), y0, s(x0), minus(y0, s(x0)))
IF_MOD(false, true, x, y, z) → MOD(z, y)
MOD(y0, 0) → IF_MOD(true, le(0, y0), y0, 0, minus(y0, 0))
MOD(y0, s(x0)) → IF_MOD(false, le(s(x0), y0), y0, s(x0), minus(y0, s(x0)))
isZero(0) → true
isZero(s(x)) → false
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
MOD(y0, s(x0)) → IF_MOD(false, le(s(x0), y0), y0, s(x0), minus(y0, s(x0)))
IF_MOD(false, true, x, y, z) → MOD(z, y)
isZero(0) → true
isZero(s(x)) → false
le(0, y) → true
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(x, 0) → x
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
MOD(y0, s(x0)) → IF_MOD(false, le(s(x0), y0), y0, s(x0), minus(y0, s(x0)))
IF_MOD(false, true, x, y, z) → MOD(z, y)
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
isZero(0)
isZero(s(x0))
isZero(0)
isZero(s(x0))
MOD(y0, s(x0)) → IF_MOD(false, le(s(x0), y0), y0, s(x0), minus(y0, s(x0)))
IF_MOD(false, true, x, y, z) → MOD(z, y)
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
MOD(0, s(x0)) → IF_MOD(false, false, 0, s(x0), minus(0, s(x0)))
MOD(s(x1), s(x0)) → IF_MOD(false, le(x0, x1), s(x1), s(x0), minus(s(x1), s(x0)))
IF_MOD(false, true, x, y, z) → MOD(z, y)
MOD(0, s(x0)) → IF_MOD(false, false, 0, s(x0), minus(0, s(x0)))
MOD(s(x1), s(x0)) → IF_MOD(false, le(x0, x1), s(x1), s(x0), minus(s(x1), s(x0)))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
MOD(s(x1), s(x0)) → IF_MOD(false, le(x0, x1), s(x1), s(x0), minus(s(x1), s(x0)))
IF_MOD(false, true, x, y, z) → MOD(z, y)
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
MOD(s(y0), s(y0)) → IF_MOD(false, le(y0, y0), s(y0), s(y0), 0)
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
IF_MOD(false, true, x, y, z) → MOD(z, y)
MOD(s(y0), s(y0)) → IF_MOD(false, le(y0, y0), s(y0), s(y0), 0)
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
IF_MOD(false, true, s(z0), s(z0), 0) → MOD(0, s(z0))
IF_MOD(false, true, s(z0), s(z1), y_1) → MOD(y_1, s(z1))
MOD(s(y0), s(y0)) → IF_MOD(false, le(y0, y0), s(y0), s(y0), 0)
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
IF_MOD(false, true, s(z0), s(z0), 0) → MOD(0, s(z0))
IF_MOD(false, true, s(z0), s(z1), y_1) → MOD(y_1, s(z1))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
IF_MOD(false, true, s(z0), s(z1), y_1) → MOD(y_1, s(z1))
MOD(s(y0), s(y0)) → IF_MOD(false, le(y0, y0), s(y0), s(y0), 0)
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
IF_MOD(false, true, s(x0), s(x1), s(y_0)) → MOD(s(y_0), s(x1))
MOD(s(y0), s(y0)) → IF_MOD(false, le(y0, y0), s(y0), s(y0), 0)
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
IF_MOD(false, true, s(x0), s(x1), s(y_0)) → MOD(s(y_0), s(x1))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
IF_MOD(false, true, s(x0), s(x1), s(y_0)) → MOD(s(y_0), s(x1))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))
The following pairs can be oriented strictly and are deleted.
The remaining pairs can at least be oriented weakly.
IF_MOD(false, true, s(x0), s(x1), s(y_0)) → MOD(s(y_0), s(x1))
POL(0) = 0
POL(IF_MOD(x1, x2, x3, x4, x5)) = 1 + x5
POL(MOD(x1, x2)) = x1
POL(false) = 0
POL(le(x1, x2)) = 0
POL(minus(x1, x2)) = x1
POL(s(x1)) = 1 + x1
POL(true) = 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
minus(x, x) → 0
minus(0, x) → 0
MOD(s(x0), s(x1)) → IF_MOD(false, le(x1, x0), s(x0), s(x1), minus(x0, x1))
le(s(x), 0) → false
le(s(x), s(y)) → le(x, y)
minus(x, x) → 0
minus(0, x) → 0
minus(s(x), s(y)) → minus(x, y)
minus(x, 0) → x
le(0, y) → true
le(0, x0)
le(s(x0), 0)
le(s(x0), s(x1))
minus(x0, x0)
minus(x0, 0)
minus(0, x0)
minus(s(x0), s(x1))