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Proof step 164 from proof hasSharing-addobj-same (previous step)

st[r0 -- sks0] = refval(r1), fis .keys = instfields(class), st[r0 -- sks] = refval(r1), r0 ∈ fis .vals .nonnullrefs, fits(r0, sks, st), fits(r0, sks0, st), newref(r, st), validfieldinits(str, fis, st) ⊦ sks0 = sks, sks0 = [], sks = [], r1 = jvmref, r = jvmref, dups(fis .vals .nonnullrefs), hasSharing(r, addobj(r, class, fis, st)), junkref(str, r, addobj(r, class, fis, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: hasSharing-def-better antecedent: succedent: hasSharing(r, st) ↔ (∃ sks1, sks2. fits(r, sks1, st) ∧ fits(r, sks2, st) ∧ sks1 ≠ sks2 ∧ st[r -- sks1] .refval ≠ jvmref ∧ st[r -- sks1] = st[r -- sks2]) substlist: [st, r] → [addobj(r, class, fis, st), r] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((1, 0, 6)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addobj(r, class, fis, st), r)]]