# MutantHub mutant #718: Arithmetic operator mutation at descriptor.cpp:1422
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1422-1422
# Review: APPROVED; outcome: SURVIVED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1422,1 +1422,1 @@
-        if (const auto sub_elems = m_subdescriptor_args[0]->MaxSatisfactionElems()) return 1 + *sub_elems;
+        if (const auto sub_elems = m_subdescriptor_args[0]->MaxSatisfactionElems()) return 1 - *sub_elems;