>&#45;&gt;</span></span>
  <a href="#type-invariant_map">invariant_map</a></span></code></div><div class="spec-doc"><p>compute and return invariant map for the given CFG/procedure starting from <code>initial</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-exec_pdesc"><a href="#val-exec_pdesc" class="anchor"></a><code><span><span class="keyword">val</span> exec_pdesc : 
  <span>?do_narrowing:bool <span class="arrow">&#45;&gt;</span></span>
  <span><a href="../argument-1