var query = session.getWorkspace().getQueryManager().createQuery("//element(*, ametys:content)", javax.jcr.query.Query.XPATH);

var nodes = query.execute().getNodes();

while (nodes.hasNext())
{
  var node = nodes.nextNode();
  
  
  var frozen = node.getBaseVersion().getNode("jcr:frozenNode");
  
  if (!frozen.hasProperty("ametys:lastModified"))
  {
    println(node.getPath());
  }
}