diff --git a/bisimilarity/src/bisimilarity_kanellakis_smolka.rs b/bisimilarity/src/kanellakis_smolka.rs
similarity index 100%
rename from bisimilarity/src/bisimilarity_kanellakis_smolka.rs
rename to bisimilarity/src/kanellakis_smolka.rs
diff --git a/bisimilarity/src/test_kenallakis_smolka.rs b/bisimilarity/src/kenallakis_smolka_test.rs
similarity index 99%
rename from bisimilarity/src/test_kenallakis_smolka.rs
rename to bisimilarity/src/kenallakis_smolka_test.rs
index 072d9b7..99076ee 100644
--- a/bisimilarity/src/test_kenallakis_smolka.rs
+++ b/bisimilarity/src/kenallakis_smolka_test.rs
@@ -1,4 +1,4 @@
-use super::bisimilarity_kanellakis_smolka::bisimilarity;
+use super::kanellakis_smolka::bisimilarity;
 
 #[test]
 fn identity_kanellakis_smolka() {
diff --git a/bisimilarity/src/lib.rs b/bisimilarity/src/lib.rs
index 5f94ec0..c8f2f8c 100644
--- a/bisimilarity/src/lib.rs
+++ b/bisimilarity/src/lib.rs
@@ -1,8 +1,8 @@
-pub mod bisimilarity_kanellakis_smolka;
-pub mod bisimilarity_paige_tarjan;
+pub mod kanellakis_smolka;
+pub mod paige_tarjan;
 
 #[cfg(test)]
-mod test_kenallakis_smolka;
+mod kenallakis_smolka_test;
 
 #[cfg(test)]
-mod test_paige_tarjan;
+mod paige_tarjan_test;
diff --git a/bisimilarity/src/bisimilarity_paige_tarjan.rs b/bisimilarity/src/paige_tarjan.rs
similarity index 100%
rename from bisimilarity/src/bisimilarity_paige_tarjan.rs
rename to bisimilarity/src/paige_tarjan.rs
diff --git a/bisimilarity/src/test_paige_tarjan.rs b/bisimilarity/src/paige_tarjan_test.rs
similarity index 86%
rename from bisimilarity/src/test_paige_tarjan.rs
rename to bisimilarity/src/paige_tarjan_test.rs
index 74cda0e..8f7f1b5 100644
--- a/bisimilarity/src/test_paige_tarjan.rs
+++ b/bisimilarity/src/paige_tarjan_test.rs
@@ -1,4 +1,4 @@
-use super::bisimilarity_paige_tarjan::{
+use super::paige_tarjan::{
     bisimilarity, bisimilarity_ignore_labels,
 };
 
@@ -201,3 +201,33 @@ fn bisimilar_paige_tarjan_2() {
     assert!(bisimilarity(&&graph_a, &&graph_b));
     assert!(bisimilarity_ignore_labels(&&graph_a, &&graph_b))
 }
+
+#[test]
+fn bisimilar_paige_tarjan_3() {
+    use petgraph::Graph;
+    let mut graph_b = Graph::new();
+
+    let node_b_1 = graph_b.add_node(1);
+    let node_b_2 = graph_b.add_node(2);
+    graph_b.add_edge(node_b_1, node_b_2, 1);
+    let node_b_3 = graph_b.add_node(3);
+    graph_b.add_edge(node_b_2, node_b_3, 2);
+    let node_b_4 = graph_b.add_node(4);
+    graph_b.add_edge(node_b_3, node_b_4, 2);
+
+    let mut graph_c = Graph::new();
+
+    let node_c_1 = graph_c.add_node(1);
+    let node_c_2 = graph_c.add_node(2);
+    graph_c.add_edge(node_c_1, node_c_2, 1);
+    let node_c_3 = graph_c.add_node(3);
+    graph_c.add_edge(node_c_2, node_c_3, 2);
+    let node_c_4 = graph_c.add_node(4);
+    graph_c.add_edge(node_c_3, node_c_4, 2);
+    let node_c_5 = graph_c.add_node(5);
+    graph_c.add_edge(node_c_1, node_c_5, 1);
+    graph_c.add_edge(node_c_5, node_c_3, 2);
+
+    assert!(bisimilarity(&&graph_b, &&graph_c));
+    assert!(bisimilarity_ignore_labels(&&graph_b, &&graph_c))
+}
diff --git a/execution/src/presets.rs b/execution/src/presets.rs
index a84999a..2f92595 100644
--- a/execution/src/presets.rs
+++ b/execution/src/presets.rs
@@ -700,9 +700,9 @@ where
             .map_edges(edge_relabeler, &mut system_b.translator)?;
     Ok(format!(
         "{}",
-        // bisimilarity::bisimilarity_kanellakis_smolka::bisimilarity(&&a, &&b)
-        // bisimilarity::bisimilarity_paige_tarjan::bisimilarity_ignore_labels(&&a, &&b)
-        bisimilarity::bisimilarity_paige_tarjan::bisimilarity(&&a, &&b)
+        // bisimilarity::kanellakis_smolka::bisimilarity(&&a, &&b)
+        // bisimilarity::paige_tarjan::bisimilarity_ignore_labels(&&a, &&b)
+        bisimilarity::paige_tarjan::bisimilarity(&&a, &&b)
     ))
 }