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Proof step 14 from proof fits-put (previous step)

sk .fs = mkfs(class0, ty, fieldvar), st[r -- sk] = refval(r0), st[r -- _type] .type = mkclasstype(class), junkref(str, r0, st), i ' ∈ sks0, is_referencevalue(st[r0 -- sks0]), r1 ∈ st, okarray(r1, byte_type, st), is_obj(str, r, st), sk ∈ instfields(class), fits(r0, sks0, st), is_indexkey(sk) ⊦ (st[r1 -- i ', byteval(by)][r0 -- sks0]) = st[r0 -- sks0], sks0 = [], r1 = jvmref, r = r1, r = jvmref, mkfs(class0, ty, fieldvar) ' ∈ instfields(class) ∧ is_referencevalue(st[r -- mkfs(class0, ty, fieldvar) ']) ∧ st[r -- mkfs(class0, ty, fieldvar) '] .refval ≠ jvmref ∧ (¬ st[st[r -- mkfs(class0, ty, fieldvar) '] .refval -- _type] .type ≤ ty ∨ junkref(str, st[r -- mkfs(class0, ty, fieldvar) '] .refval, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: ,is_indexkey(sk) ↔ (∃ i. sk = i ') ,[sk] → [sk] ,F ,storekey , ,ex-04 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i ' ∈ instfields(class)])], [EXTRATERMS : (sk)]]