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Proof step 33 from proof validrefs-addobj-01 (previous step)

fis .keys = instfields(class), st[r0 -- _type] .type ≤ ty, is_valid_ref(str, r0, st), validrefs(str, r0 ' + refs0, ty, st), mkfs(class0, ty0, fieldvar) ' ∈ instfields(class), mkfs(class0, ty0, fieldvar) ' × refval(r0) ∈ fis, validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), class+∃(str, class), newref(r, st), validFields(r, fis, addobj(r, class, fis, st)), is_obj(str, r, addobj(r, class, fis, st)), unique_al(fis), validref(str, r0, ty0, addobj(r, class, fis, st)) ⊦ r0 = jvmref, r = jvmref, r0 = r, validrefs(str, r0 ' + refs0, ty0, addobj(r, class, fis, st)), is_abstract(class), validrefs(str, r0 ' + refs0, ty0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: ,newref(r, st) → ¬ validref(str, r, ty, st) ,[st, ty, r, str] → [addobj(r, class, fis, st), ty0, r0, str] ,F ,junkrefs , ,validref-newref ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addobj(r, class, fis, st), ty0, r0, str)]]