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Proof step 8 from proof hasSharing-dups-object (previous step)

st[r -- sk0] = st[r -- sk], st[r -- _type] .type = mkclasstype(class), is_referencevalue(st[r -- sk]), sk ∈ instfields(class), sk0 ∈ instfields(class) ⊦ r = jvmref, sk0 = sk, st[r -- sk] .refval = jvmref, fits(r, sk ', st) ∧ fits(r, sk0 ', st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 7:
st[r -- sk] = refval(r0), st[r -- sk0] = st[r -- sk], st[r -- _type] .type = mkclasstype(class), is_referencevalue(st[r -- sk]), sk ∈ instfields(class), sk0 ∈ instfields(class) ⊦ r = jvmref, sk0 = sk, r0 = jvmref, fits(r, sk ', st) ∧ fits(r, sk0 ', st)

Rule argument

[speclemmaarg: ,is_referencevalue(val) → (r = val .refval ↔ val = refval(r)) ,[val, r] → [st[r -- sk], r0] ,T ,javavalue , ,elim-13 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_referencevalue(val) → ( r = val .refval ↔ val = refval(r))])], [EXTRATERMS : (st[r -- sk], r0)]]