message: minor formula simplification
diff: @@ -139,14 +139,16 @@ void Pointer::is_dereferenceable(const expr &bytes0, unsigned align) {
  expr bytes = bytes0.zextOrTrunc(m.bits_size_t);
  // 1) check that offset is within bounds and that arith doesn't overflow
  - m.state->addUB(bytes.ugt(0).implies((offset + bytes).ule(block_sz) &&
  - offset.add_no_uoverflow(bytes)));
  + expr cond = (offset + bytes).ule(block_sz);
  + cond &= offset.add_no_uoverflow(bytes);
  // 2) check block's address is aligned
  - m.state->addUB(bytes.ugt(0).implies(is_aligned(align)));
  + cond &= is_aligned(align);
  // 3) check block is alive
  // TODO
  +
  + m.state->addUB(bytes.ugt(0).implies(cond));
  }
  void Pointer::is_dereferenceable(unsigned bytes, unsigned align) {
  