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| author | Claire Xenia Wolf <claire@clairexen.net> | 2022-02-11 17:24:49 +0100 |
|---|---|---|
| committer | Claire Xenia Wolf <claire@clairexen.net> | 2022-02-11 17:24:49 +0100 |
| commit | 30eb7f8665bb54ee9e3e25e0508ec6201106ac79 (patch) | |
| tree | ef79c9f128f0c4c6c990d69b6165e975e9e0b127 | |
| parent | fc7d78f0714f4314424e599e609a962b263e5b95 (diff) | |
| download | yosys-30eb7f8665bb54ee9e3e25e0508ec6201106ac79.tar.gz yosys-30eb7f8665bb54ee9e3e25e0508ec6201106ac79.tar.bz2 yosys-30eb7f8665bb54ee9e3e25e0508ec6201106ac79.zip | |
Add a bit of flexibilty re trace length when processing aiger witnesses in smtbmc.py
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
| -rw-r--r-- | backends/smt2/smtbmc.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py index e5cfcdc08..7e0d8f571 100644 --- a/backends/smt2/smtbmc.py +++ b/backends/smt2/smtbmc.py @@ -583,7 +583,10 @@ if aimfile is not None: if not got_topt: skip_steps = max(skip_steps, step) - num_steps = max(num_steps, step+1) + # some solvers optimize the properties so that they fail one cycle early, + # thus we check the properties in the cycle the aiger witness ends, and + # if that doesn't work, we check the cycle after that as well. + num_steps = max(num_steps, step+2) step += 1 if btorwitfile is not None: |