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Fix abc crash when aiger_props is empty

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Includes test reproducer from #338, modified to also test `abc --keep-going pdr`.
This commit is contained in:
Krystine Sherwin 2025-09-30 10:26:36 +13:00
parent 12380801e3
commit c06d8682cd
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2 changed files with 23 additions and 2 deletions
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4
sbysrc/sby_engine_abc.py
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@ -203,7 +203,7 @@ def run(mode, task, engine_idx, engine):
match = re.match(r"^Proved output +([0-9]+) in frame +-?[0-9]+", line)
if match:
output = int(match[1])
prop = aiger_props[output]
prop = aiger_props[output] if aiger_props else None
if prop:
prop.status = "PASS"
task.summary.add_event(
@ -232,7 +232,7 @@ def run(mode, task, engine_idx, engine):
disproved_count = int(match[3])
undecided_count = int(match[4])
if (
all_count != len(aiger_props) or
(aiger_props and all_count != len(aiger_props)) or
all_count != proved_count + disproved_count + undecided_count or
disproved_count != len(disproved) or
proved_count != len(proved)