# MutantHub mutant #4249: Arithmetic operator mutation at validation.cpp:5076
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:5076-5076
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -5076,1 +5076,1 @@
-                nRewind = blkdat.GetPos() + 1;
+                nRewind = blkdat.GetPos() - 1;