diff --git a/src/main/java/pascal/taie/analysis/pta/core/cs/element/Pointer.java b/src/main/java/pascal/taie/analysis/pta/core/cs/element/Pointer.java
index 6c0597a0c..4b0275149 100644
--- a/src/main/java/pascal/taie/analysis/pta/core/cs/element/Pointer.java
+++ b/src/main/java/pascal/taie/analysis/pta/core/cs/element/Pointer.java
@@ -100,8 +100,9 @@ public interface Pointer extends Indexable {
     /**
      * Removes out edges of this pointer if they satisfy the filter.
      * <p>
-     * <strong>Note:</strong> This method should not be used during pointer analysis iterations,
-     * as it can break the monotonicity of the analysis.
+     * <strong>Note:</strong> This method should not be called outside of
+     * {@link pascal.taie.analysis.pta.plugin.Plugin#onPhaseFinish()},
+     * otherwise it may break the monotonicity of pointer analysis.
      * </p>
      */
     void removeEdgesIf(Predicate<PointerFlowEdge> filter);
diff --git a/src/main/java/pascal/taie/analysis/pta/plugin/taint/TaintAnalysis.java b/src/main/java/pascal/taie/analysis/pta/plugin/taint/TaintAnalysis.java
index fd7132208..b35df5f4a 100644
--- a/src/main/java/pascal/taie/analysis/pta/plugin/taint/TaintAnalysis.java
+++ b/src/main/java/pascal/taie/analysis/pta/plugin/taint/TaintAnalysis.java
@@ -113,7 +113,7 @@ public void onPhaseFinish() {
                 System.out.println("Taint Analysis is in interactive mode,"
                         + " you can change your taint config and run the analysis again.\n"
                         + "Enter 'r' to run, 'e' to exit: ");
-                String input = nextLineFromConsole();
+                String input = readLineFromConsole();
                 if (input == null) {
                     break;
                 }
@@ -141,7 +141,7 @@ public void onPhaseFinish() {
      * or {@code null} if no line is available
      */
     @Nullable
-    private static String nextLineFromConsole() {
+    private static String readLineFromConsole() {
         StringBuilder sb = new StringBuilder();
         try {
             int c;
diff --git a/src/main/java/pascal/taie/analysis/pta/pts/PointsToSet.java b/src/main/java/pascal/taie/analysis/pta/pts/PointsToSet.java
index ff75a5474..913d8f5e0 100644
--- a/src/main/java/pascal/taie/analysis/pta/pts/PointsToSet.java
+++ b/src/main/java/pascal/taie/analysis/pta/pts/PointsToSet.java
@@ -61,8 +61,9 @@ public interface PointsToSet extends Iterable<CSObj>, Copyable<PointsToSet> {
     /**
      * Removes objects from this set if they satisfy the filter.
      * <p>
-     * <strong>Note:</strong> This method should be used with caution during pointer analysis iterations,
-     * as it can break the monotonicity of the analysis.
+     * <strong>Note:</strong> This method should not be called outside of
+     * {@link pascal.taie.analysis.pta.plugin.Plugin#onPhaseFinish()},
+     * otherwise it may break the monotonicity of pointer analysis.
      * </p>
      */
     void removeIf(Predicate<CSObj> filter);
diff --git a/src/test/java/pascal/taie/analysis/pta/TaintTest.java b/src/test/java/pascal/taie/analysis/pta/TaintTest.java
index 1df1ad974..f95725b71 100644
--- a/src/test/java/pascal/taie/analysis/pta/TaintTest.java
+++ b/src/test/java/pascal/taie/analysis/pta/TaintTest.java
@@ -22,9 +22,7 @@
 
 package pascal.taie.analysis.pta;
 
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
-import pascal.taie.Main;
 import pascal.taie.analysis.Tests;
 import pascal.taie.util.MultiStringsSource;
 
@@ -72,8 +70,15 @@ public class TaintTest {
     @MultiStringsSource({"CallSiteMode",
             TAINT_CONFIG_PREFIX + "taint-config-call-site-model.yml"})
     void test(String mainClass, String... opts) {
+        testInNonInteractiveMode(mainClass, opts);
+        testInInteractiveMode(mainClass, opts);
+    }
+
+    private void testInNonInteractiveMode(String mainClass, String... opts) {
         Tests.testPTA(DIR, mainClass, opts);
-        // test interactive mode
+    }
+
+    private void testInInteractiveMode(String mainClass, String... opts) {
         InputStream originalSystemIn = System.in;
         try {
             String simulatedInput = "r\ne\n";