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Proof step 23 from proof okarray-copy-01 (previous step)

0 < j, 0 ≤ j, 0 ≤ i, r0 ∈ st, r ∈ st, i + j ≤ st[r0 -- _length] .intval, okarray(r0, byte_type, st), okarray(r, byte_type, st), ∀ i0, i, r0, st, r, j0. i→n(j0) < i→n(j) → ( okarray(r, byte_type, st) ∧ okarray(r0, byte_type, st) ∧ i + j0 ≤ st[r0 -- _length] .intval ∧ r ∈ st ∧ r0 ∈ st ∧ 0 ≤ i ∧ 0 ≤ j0 → r = jvmref ∨ r0 = jvmref ∨ okarray(r, byte_type, arraycopy(r0, i, r, i0, j0, st))) ⊦ r0 = jvmref, r = jvmref, okarray(r, byte_type, arraycopy(r0, i, r, i0, j - 1, st[r -- (i0 + j - 1) ', st[r0 -- (i + j - 1) ']]))

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 22:
j = i1 + 1, 0 < j, 0 ≤ j, 0 ≤ i, r0 ∈ st, r ∈ st, i + j ≤ st[r0 -- _length] .intval, okarray(r0, byte_type, st), okarray(r, byte_type, st), ∀ i0, i, r0, st, r, j0. i→n(j0) < i→n(j) → ( okarray(r, byte_type, st) ∧ okarray(r0, byte_type, st) ∧ i + j0 ≤ st[r0 -- _length] .intval ∧ r ∈ st ∧ r0 ∈ st ∧ 0 ≤ i ∧ 0 ≤ j0 → r = jvmref ∨ r0 = jvmref ∨ okarray(r, byte_type, arraycopy(r0, i, r, i0, j0, st))) ⊦ r0 = jvmref, r = jvmref, okarray(r, byte_type, arraycopy(r0, i, r, i0, i1, st[r -- (i0 + j - 1) ', st[r0 -- (i + j - 1) ']]))

Rule argument

[speclemmaarg: ,i0 = i - j ↔ i = i0 + j ,[i, j, i0] → [j, 1, i1] ,T ,int-abs , ,elim-sub ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ i0 = i - j ↔ i = i0 + j])], [EXTRATERMS : (j, 1, i1)]]