message: Raise UB when memcpy receives size larger than 64 bits
diff: @@ -2172,6 +2172,11 @@ StateValue Memcpy::toSMT(State &s) const {
  auto &[vbytes, np_bytes] = s[*bytes];
  s.addUB(vbytes.ugt(0).implies(np_dst && np_src));
  s.addUB(np_bytes);
  +
  + if (vbytes.bits() > bits_size_t)
  + s.addUB(
  + vbytes.ule(expr::IntUMax(bits_size_t).zext(vbytes.bits() - bits_size_t)));
  +
  s.getMemory().memcpy(vdst, vsrc, vbytes, align_dst, align_src, move);
  return {};
  }
  