# MutantHub mutant #1647: Arithmetic operator mutation at interpreter.cpp:1428
# Repository: bitcoin/bitcoin @ 05e49b342faa1412266951429c135e9f5daa30c2
# File: src/script/interpreter.cpp:1428-1428
# Review: APPROVED; outcome: KILLED
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1428,1 +1428,1 @@
-            if (m_spent_outputs_ready && m_spent_outputs[inpos].scriptPubKey.size() == 2 + WITNESS_V1_TAPROOT_SIZE &&
+            if (m_spent_outputs_ready && m_spent_outputs[inpos].scriptPubKey.size() == 2 * WITNESS_V1_TAPROOT_SIZE &&