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Proof step 4 from proof okarray-out (previous step)

⊦ okarray(refval(_out .ref), ty, i, st[_out, val0]) ↔ okarray(refval(_out .ref), ty, i, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 2:
⊦ okarray(refval(r), ty, i, st) → st[r -- _length] .intval = i
Proof step 3:
⊦ okarray(refval(r), ty, i, st) → r ≠ jvmref

Rule argument

[speclemmaarg: ,r = rk .ref ∧ sk = rk .key ↔ rk = r -- sk ,[rk, r, sk] → [_out, r, sk] ,T ,refkey , ,elim ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (st[_out, val][r -- _length]) = st[r -- _length]], [CSIMPSEQ : ⊦ r ≠ jvmref → r -- sk ≠ _out], [CSIMPELIM : ⊦ r = rk .ref ∧ sk = rk .key ↔ rk = r -- sk])], [EXTRATERMS : (_out, r, sk)]]