diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/rangeSet/LongRangeSet.java b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/rangeSet/LongRangeSet.java
index 8e6cda216a1e..9f5f8703d634 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/rangeSet/LongRangeSet.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/rangeSet/LongRangeSet.java
@@ -1867,11 +1867,7 @@ public abstract class LongRangeSet {
             plus = modRange(ranges[i], ranges[i + 1], myMod, bits);
           }
           else {
-            long min = ranges[i];
-            while (!isSet(bits, remainder(min, myMod))) min++;
-            long max = ranges[i + 1];
-            while (!isSet(bits, remainder(max, myMod))) max--;
-            plus = range(min, max);
+            plus = range(ranges[i], ranges[i + 1]);
           }
           result = result.unite(plus);
         }
diff --git a/java/java-tests/testData/inspection/dataFlow/fixture/LongRangeMod.java b/java/java-tests/testData/inspection/dataFlow/fixture/LongRangeMod.java
index 37a5224b82de..3ad4a445cb3e 100644
--- a/java/java-tests/testData/inspection/dataFlow/fixture/LongRangeMod.java
+++ b/java/java-tests/testData/inspection/dataFlow/fixture/LongRangeMod.java
@@ -34,4 +34,14 @@ public class LongRangeMod {
       i++;
     }
   }
+
+  // EA-257681 - IAE: LongRangeSet$Range.<init>
+  void test(int a, int b) {
+    if (a % 2 == 0)
+      b += a / 2;
+    else if (a % 3 == 0)
+      b += a / 3;
+    else
+      a++;
+  }
 }