Improve message rendering

Author: EgorkaKulikov

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/tree/CgMethodConstructor.kt

@@ -367,20 +367,13 @@ open class CgMethodConstructor(val context: CgContext) : CgContextOwner by conte
         }
     }
 
-    //TODO: ISSUE-1546 introduce some kind of language-specific string interpolation in Codegen
-    private fun prepareArtificialFailureMessage(executionResult: UtExecutionResult): CgVariable {
+    // TODO: ISSUE-1546 introduce some kind of language-specific string interpolation in Codegen
+    // and render arguments that cause overflow (but it requires engine enhancements)
+    private fun prepareArtificialFailureMessage(executionResult: UtExecutionResult): CgLiteral {
         when (executionResult) {
             is UtOverflowFailure -> {
-                val preparedMethodArguments = methodArguments.joinToString(separator = ", ") {
-                    when (it) {
-                        is CgVariable -> it.name
-                        is CgLiteral -> it.value.toString()
-                        else -> it.toString()
-                    }
-                }
-
-                val failureMessage = "\"Overflow detected in \'${currentExecutable!!.name}\' call with arguments $preparedMethodArguments \""
-                return CgVariable(failureMessage, stringClassId)
+                val failureMessage = "Overflow detected in \'${currentExecutable!!.name}\' call"
+                return CgLiteral(stringClassId, failureMessage)
             }
             else -> error("$executionResult is not supported in artificial errors")
         }
@@ -433,7 +426,7 @@ open class CgMethodConstructor(val context: CgContext) : CgContextOwner by conte
         if (exception is AccessControlException) return false
         // tests with timeout or crash should be processed differently
         if (exception is TimeoutException || exception is ConcreteExecutionFailureException) return false
-        if (exception is OverflowDetectionError) return false
+        if (exception is ArtificialError) return false
         if (UtSettings.treatAssertAsErrorSuite && exception is AssertionError) return false
 
         val exceptionRequiresAssert = exception !is RuntimeException || runtimeExceptionTestsBehaviour == PASS