The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF).

(0) Obligation:

Runtime Complexity TRS:
The TRS R consists of the following rules:

h(e(x), y) → h(d(x, y), s(y))
d(g(g(0, x), y), s(z)) → g(e(x), d(g(g(0, x), y), z))
d(g(g(0, x), y), 0) → e(y)
d(g(0, x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

Rewrite Strategy: FULL

(1) DecreasingLoopProof (EQUIVALENT transformation)

The following loop(s) give(s) rise to the lower bound Ω(n¹):
The rewrite sequence
g(e(x), e(y)) →⁺ e(g(x, y))
gives rise to a decreasing loop by considering the right hand sides subterm at position [0].
The pumping substitution is [x / e(x), y / e(y)].
The result substitution is [ ].

(2) BOUNDS(n^1, INF)

(3) RenamingProof (EQUIVALENT transformation)

Renamed function symbols to avoid clashes with predefined symbol.

(4) Obligation:

Runtime Complexity Relative TRS:
The TRS R consists of the following rules:

h(e(x), y) → h(d(x, y), s(y))
d(g(g(0', x), y), s(z)) → g(e(x), d(g(g(0', x), y), z))
d(g(g(0', x), y), 0') → e(y)
d(g(0', x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

S is empty.
Rewrite Strategy: FULL

(5) TypeInferenceProof (BOTH BOUNDS(ID, ID) transformation)

Infered types.

(6) Obligation:

TRS:
Rules:
h(e(x), y) → h(d(x, y), s(y))
d(g(g(0', x), y), s(z)) → g(e(x), d(g(g(0', x), y), z))
d(g(g(0', x), y), 0') → e(y)
d(g(0', x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

Types:
h :: e:s:0' → e:s:0' → h
e :: e:s:0' → e:s:0'
d :: e:s:0' → e:s:0' → e:s:0'
s :: e:s:0' → e:s:0'
g :: e:s:0' → e:s:0' → e:s:0'
0' :: e:s:0'
hole_h1_0 :: h
hole_e:s:0'2_0 :: e:s:0'
gen_e:s:0'3_0 :: Nat → e:s:0'

(7) OrderProof (LOWER BOUND(ID) transformation)

Heuristically decided to analyse the following defined symbols:
h, d, g

They will be analysed ascendingly in the following order:
d < h
g < d

(8) Obligation:

TRS:
Rules:
h(e(x), y) → h(d(x, y), s(y))
d(g(g(0', x), y), s(z)) → g(e(x), d(g(g(0', x), y), z))
d(g(g(0', x), y), 0') → e(y)
d(g(0', x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

Types:
h :: e:s:0' → e:s:0' → h
e :: e:s:0' → e:s:0'
d :: e:s:0' → e:s:0' → e:s:0'
s :: e:s:0' → e:s:0'
g :: e:s:0' → e:s:0' → e:s:0'
0' :: e:s:0'
hole_h1_0 :: h
hole_e:s:0'2_0 :: e:s:0'
gen_e:s:0'3_0 :: Nat → e:s:0'

Generator Equations:
gen_e:s:0'3_0(0) ⇔ 0'
gen_e:s:0'3_0(+(x, 1)) ⇔ e(gen_e:s:0'3_0(x))

The following defined symbols remain to be analysed:
g, h, d

They will be analysed ascendingly in the following order:
d < h
g < d

(9) NoRewriteLemmaProof (LOWER BOUND(ID) transformation)

Could not prove a rewrite lemma for the defined symbol g.

(10) Obligation:

TRS:
Rules:
h(e(x), y) → h(d(x, y), s(y))
d(g(g(0', x), y), s(z)) → g(e(x), d(g(g(0', x), y), z))
d(g(g(0', x), y), 0') → e(y)
d(g(0', x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

Types:
h :: e:s:0' → e:s:0' → h
e :: e:s:0' → e:s:0'
d :: e:s:0' → e:s:0' → e:s:0'
s :: e:s:0' → e:s:0'
g :: e:s:0' → e:s:0' → e:s:0'
0' :: e:s:0'
hole_h1_0 :: h
hole_e:s:0'2_0 :: e:s:0'
gen_e:s:0'3_0 :: Nat → e:s:0'

Generator Equations:
gen_e:s:0'3_0(0) ⇔ 0'
gen_e:s:0'3_0(+(x, 1)) ⇔ e(gen_e:s:0'3_0(x))

The following defined symbols remain to be analysed:
d, h

They will be analysed ascendingly in the following order:
d < h

(11) NoRewriteLemmaProof (LOWER BOUND(ID) transformation)

Could not prove a rewrite lemma for the defined symbol d.

(12) Obligation:

TRS:
Rules:
h(e(x), y) → h(d(x, y), s(y))
d(g(g(0', x), y), s(z)) → g(e(x), d(g(g(0', x), y), z))
d(g(g(0', x), y), 0') → e(y)
d(g(0', x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

Types:
h :: e:s:0' → e:s:0' → h
e :: e:s:0' → e:s:0'
d :: e:s:0' → e:s:0' → e:s:0'
s :: e:s:0' → e:s:0'
g :: e:s:0' → e:s:0' → e:s:0'
0' :: e:s:0'
hole_h1_0 :: h
hole_e:s:0'2_0 :: e:s:0'
gen_e:s:0'3_0 :: Nat → e:s:0'

Generator Equations:
gen_e:s:0'3_0(0) ⇔ 0'
gen_e:s:0'3_0(+(x, 1)) ⇔ e(gen_e:s:0'3_0(x))

The following defined symbols remain to be analysed:
h

(13) NoRewriteLemmaProof (LOWER BOUND(ID) transformation)

Could not prove a rewrite lemma for the defined symbol h.

(14) Obligation:

TRS:
Rules:
h(e(x), y) → h(d(x, y), s(y))
d(g(g(0', x), y), s(z)) → g(e(x), d(g(g(0', x), y), z))
d(g(g(0', x), y), 0') → e(y)
d(g(0', x), y) → e(x)
d(g(x, y), z) → g(d(x, z), e(y))
g(e(x), e(y)) → e(g(x, y))

Types:
h :: e:s:0' → e:s:0' → h
e :: e:s:0' → e:s:0'
d :: e:s:0' → e:s:0' → e:s:0'
s :: e:s:0' → e:s:0'
g :: e:s:0' → e:s:0' → e:s:0'
0' :: e:s:0'
hole_h1_0 :: h
hole_e:s:0'2_0 :: e:s:0'
gen_e:s:0'3_0 :: Nat → e:s:0'

Generator Equations:
gen_e:s:0'3_0(0) ⇔ 0'
gen_e:s:0'3_0(+(x, 1)) ⇔ e(gen_e:s:0'3_0(x))

No more defined symbols left to analyse.