Replace System.exit(1) with throwing a RuntimeException

Author: jjppp

src/main/java/pascal/taie/Main.java

@@ -143,9 +143,8 @@ private static void buildWorld(Options options, List<AnalysisConfig> analyses) {
                                 .mapToInt(c -> c.getDeclaredMethods().size())
                                 .sum());
             } catch (InstantiationException | IllegalAccessException |
-                    NoSuchMethodException | InvocationTargetException e) {
-                System.err.println("Failed to build world due to " + e);
-                System.exit(1);
+                     NoSuchMethodException | InvocationTargetException e) {
+                throw new RuntimeException("Failed to build world", e);
             }
         }, "WorldBuilder");
     }