# MutantHub mutant #1431: Arithmetic operator mutation at interpreter.cpp:978
# Repository: bitcoin/bitcoin @ 05e49b342faa1412266951429c135e9f5daa30c2
# File: src/script/interpreter.cpp:978-978
# Review: APPROVED; outcome: KILLED
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -978,1 +978,1 @@
-                        bn = bn1 + bn2;
+                        bn = bn1 - bn2;