diff --git a/bin/src/main.rs b/bin/src/main.rs
index 949200f..0b1e7c3 100644
--- a/bin/src/main.rs
+++ b/bin/src/main.rs
@@ -414,6 +414,13 @@ impl App {
                         print!("{}", printer.print_interpretation(&model));
                     }
                 }
+
+                if self.stable_ng {
+                    let printer = adf.print_dictionary();
+                    for model in adf.stable_nogood(self.heu.unwrap_or_default()) {
+                        print!("{}", printer.print_interpretation(&model));
+                    }
+                }
             }
         }
     }
diff --git a/lib/src/obdd.rs b/lib/src/obdd.rs
index d349202..a54cb70 100644
--- a/lib/src/obdd.rs
+++ b/lib/src/obdd.rs
@@ -217,7 +217,9 @@ impl Bdd {
             } else if node.var() < var {
                 let lonode = self.restrict(node.lo(), var, val);
                 let hinode = self.restrict(node.hi(), var, val);
-                self.node(node.var(), lonode, hinode)
+                let result = self.node(node.var(), lonode, hinode);
+                self.restrict_cache.insert((tree, var, val), result);
+                result
             } else {
                 if val {
                     let result = self.restrict(node.hi(), var, val);
@@ -245,6 +247,7 @@ impl Bdd {
         } else if let Some(result) = self.ite_cache.get(&(i, t, e)) {
             *result
         } else {
+            log::trace!("if_then_else: i {i} t {t} e {e} not found");
             let minvar = Var(min(
                 self.nodes[i.value()].var().value(),
                 min(
@@ -298,7 +301,7 @@ impl Bdd {
                         var_set.insert(var);
                         self.var_deps.push(var_set);
                     }
-                    log::debug!("newterm: {} as {:?}", new_term, node);
+                    log::trace!("newterm: {} as {:?}", new_term, node);
                     #[cfg(feature = "adhoccounting")]
                     {
                         let mut count_cache = self.count_cache.borrow_mut();
diff --git a/lib/tests/test_template b/lib/tests/test_template
index fc3275a..419bd05 100644
--- a/lib/tests/test_template
+++ b/lib/tests/test_template
@@ -1,5 +1,5 @@
 #[test]
-fn {name}() {{
+fn {name}_biodivine() {{
     let resource = "{path}";
     log::debug!("resource: {{}}", resource);
     let grounded = "{grounded}";
@@ -18,3 +18,23 @@ fn {name}() {{
     );
 }}
 
+#[test]
+fn {name}_naive() {{
+    let resource = "{path}";
+    log::debug!("resource: {{}}", resource);
+    let grounded = "{grounded}";
+    log::debug!("Grounded: {{}}", grounded);
+    let parser = AdfParser::default();
+    let expected_result = std::fs::read_to_string(grounded);
+    assert!(expected_result.is_ok());
+    let input = std::fs::read_to_string(resource).unwrap();
+    parser.parse()(&input).unwrap();
+    parser.varsort_alphanum();
+    let mut adf = adf_bdd::adf::Adf::from_parser(&parser);
+    let grounded = adf.grounded();
+    assert_eq!(
+        format!("{{}}", adf.print_interpretation(&grounded)),
+        format!("{{}}\n",expected_result.unwrap())
+    );
+}}
+