diff options
Diffstat (limited to 'backends/smt2/smtbmc.py')
| -rw-r--r-- | backends/smt2/smtbmc.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py index e5cfcdc08..7527f4105 100644 --- a/backends/smt2/smtbmc.py +++ b/backends/smt2/smtbmc.py @@ -492,7 +492,7 @@ if aimfile is not None: got_state = True for entry in f.read().splitlines(): - if len(entry) == 0 or entry[0] in "bcjfu.": + if len(entry) == 0 or entry[0] in "bcjfu.#": continue if not got_state: @@ -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: |