a><code><span><span class="keyword">module</span> <a href="MemReach/index.html">MemReach</a></span><span> : <span class="keyword">sig</span> ... <span class="keyword">end</span></span></code></div><div class="spec-doc"><p>Domain for memory of reachable node</p></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-Mem"><a href="#module-Mem" class="anchor"></a><code><span><span class="keyword">module</span> <a href="Mem/index.html">Mem</a></span><span> : <span class="keyword">sig</sp