| junkrefs(str, r ' + acc, ty, addobj(r0, class, fis, st)), newref(r0, st), ∀ 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 = jvmref, r0 = jvmref, junkrefs(str, r ' + acc, ty, st) |
⊦ r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty) → junkrefs(str, r ' + refs, ty, st)
¬ (r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty)), junkrefs(str, r ' + acc, ty, addobj(r0, class, fis, st)), newref(r0, st), ∀ 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 = jvmref, r0 = jvmref, junkrefs(str, r ' + acc, ty, st)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, ty, acc, r, str)]]