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Proof step 65 from proof validrefs-del-junkrefs (previous step)

is_referencevalue(st[r0 -- fs ']), fs ' ∈ instfields(st[r0 -- _type] .type .class), st[r0 -- _type] .type ≤ ty, is_obj(str, r0, st), junkrefs(str, (st[r0 -- fs '] .refval ' + acc) + r ', fs .type, st -- r), ∀ st, r0, ty, str, r. st[r0 -- _type] .type ≤ ty ∧ junkrefs(str, (r0 ' + acc) + r ', ty, st -- r) → r = r0 ∨ junkref(str, r0, st) ∨ r ∈ acc ∨ validrefs(str, r0 ' + acc + r ', ty, st) ⊦ r0 = jvmref, r = st[r0 -- fs '] .refval, r = r0, validrefs(str, r0 ' + (st[r0 -- fs '] .refval ' + acc) + r ', ty, st), r ∈ acc, junkref(str, r0, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 64:
fs = mkfs(class, ty0, fieldvar), is_referencevalue(st[r0 -- fs ']), fs ' ∈ instfields(st[r0 -- _type] .type .class), st[r0 -- _type] .type ≤ ty, is_obj(str, r0, st), junkrefs(str, (st[r0 -- fs '] .refval ' + acc) + r ', ty0, st -- r), ∀ st, r0, ty, str, r. st[r0 -- _type] .type ≤ ty ∧ junkrefs(str, (r0 ' + acc) + r ', ty, st -- r) → r = r0 ∨ junkref(str, r0, st) ∨ r ∈ acc ∨ validrefs(str, r0 ' + acc + r ', ty, st) ⊦ r0 = jvmref, r = st[r0 -- fs '] .refval, r = r0, validrefs(str, r0 ' + (st[r0 -- fs '] .refval ' + acc) + r ', ty, st), r ∈ acc, junkref(str, r0, st)

Rule argument

[speclemmaarg: , class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar) ,[fs, class, ty, fieldvar] → [fs, class, ty0, fieldvar] ,T ,fieldspec , ,elim ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar)])], [EXTRATERMS : (fs, class, ty0, fieldvar)]]