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-rw-r--r--tools/verification/rvgen/rvgen/automata.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/verification/rvgen/rvgen/automata.py b/tools/verification/rvgen/rvgen/automata.py
index 397f236e6eea..6b0dc1a8cd6a 100644
--- a/tools/verification/rvgen/rvgen/automata.py
+++ b/tools/verification/rvgen/rvgen/automata.py
@@ -99,7 +99,7 @@ class Automata:
# checking the first line:
line = dot_lines[cursor].split()
- if (line[0] != "digraph") and (line[1] != "state_automaton"):
+ if (line[0] != "digraph") or (line[1] != "state_automaton"):
raise AutomataError(f"Not a valid .dot format: {self.__dot_path}")
else:
cursor += 1