# MutantHub mutant #709: Arithmetic operator mutation at descriptor.cpp:1362
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1362-1362
# Review: APPROVED; outcome: SURVIVED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1362,1 +1362,1 @@
-        return (1 + 32 + 1) * n_keys + BuildScript(m_threshold).size() + 1;
+        return (1 - 32 + 1) * n_keys + BuildScript(m_threshold).size() + 1;