Fixed input of BFS algorithm

models/bfs.alc

@@ -13,7 +13,7 @@ Element function bfs(params : Element, output_mms : Element):
 	Element path_copy
 	String option
 
-	model = params["reachability"]
+	model = params["reachability_graph"]
 
 	worklist = create_node()
 	initial = set_pop(allInstances(model, "InitialState"))