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