diff --git a/examples/FF_killer_with_loop.txt b/examples/FF_killer_with_loop.txt
new file mode 100644
index 0000000..7fdb5a5
--- /dev/null
+++ b/examples/FF_killer_with_loop.txt
@@ -0,0 +1,8 @@
+4 5 1 4
+1 2 99
+1 3 99
+2 3 1
+3 2 1
+2 4 98
+2 4 1
+3 4 99