| acc .first = st[r -- fs '] .refval, junkrefs(str, acc, fs .type, addobj(r0, class, fis, st)), newref(r0, st), st[r -- _type] .type ≤ ty, is_obj(str, r, st), fs ' ∈ instfields(st[r -- _type] .type .class), is_referencevalue(st[r -- fs ']), ∀ str, ty, r0, class, fis, st. junkrefs(str, acc, ty, addobj(r0, class, fis, st)) ∧ newref(r0, st) → r0 = jvmref ∨ junkrefs(str, acc, ty, st) ⊦ r = r0, r = jvmref, r0 = jvmref, acc = [], junkrefs(str, r ' + acc, ty, st) |
acc = r1 + refs, r1 = st[r -- fs '] .refval, junkrefs(str, acc, fs .type, addobj(r0, class, fis, st)), newref(r0, st), st[r -- _type] .type ≤ ty, is_obj(str, r, st), fs ' ∈ instfields(st[r -- _type] .type .class), is_referencevalue(st[r -- fs ']), ∀ str, ty, r0, class, fis, st. junkrefs(str, acc, ty, addobj(r0, class, fis, st)) ∧ newref(r0, st) → r0 = jvmref ∨ junkrefs(str, acc, ty, st) ⊦ r = r0, r = jvmref, r0 = jvmref, acc = [], junkrefs(str, r ' + acc, ty, st)
[[CONCRETESIMPRULES : ([CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (acc, r1, refs)]]