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Proof step 51 from proof put-switch-primval-index-index (previous step)

st[r0 -- sks] = refval(r2), st[r -- sks1] = refval(r1), fits(r, sks1, st), is_referencevalue(st[r2 -- i ']), fits(r0, sks, st), fits(r1, i0 ' ', st), is_arraytype(st[r2 -- _type] .type) → 0 ≤ i ∧ i < st[r2 -- _length] .intval ⊦ r2 = jvmref, sks = [], (st[r2 -- i ', val0][r1 -- i0 ', val]) = (st[r2 -- i ', val0][(st[r2 -- i ', val0][r -- sks1]) .refval -- i0 ', val]), is_classtype(st[r2 -- _type] .type), is_referencevalue(st[r1 -- i0 ']), junkref(str, r1, st), junkref(str, r0, st), junkref(str, r, st), is_referencevalue(st[r0 -- (sks + i ' ')]), is_referencevalue(st[r -- (sks1 + i0 ' ')]), is_referencevalue(val0), is_referencevalue(val)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: fits-storekeys-one antecedent: succedent: fits(r, sk ', st) ↔ r ≠ jvmref ∧ is_referencevalue(st[r -- sk]) ∧ ( is_classtype(st[r -- _type] .type) → sk ∈ instfields(st[r -- _type] .type .class)) ∧ ( is_arraytype(st[r -- _type] .type) → is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < st[r -- _length] .intval) substlist: [st, sk, r] → [st, i0 ', r1] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((0, 0, 5)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, i0 ', r1)]]