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Add "skip" options (smtbmc only)

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-09-12 13:12:24 +02:00
parent 7ff783598f
commit bf47da495b
3 changed files with 21 additions and 2 deletions
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4
docs/source/reference.rst
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@ -159,6 +159,10 @@ options are:
| | | engine. Other engines ignore this option in ``prove`` |
| | | mode. Default: ``20`` |
+------------------+------------+---------------------------------------------------------+
| ``skip`` | ``bmc``, | Skip the specified number of time steps. Only valid |
| | ``cover`` | with smtbmc engine. All other engines are disabled when |
| | | this option is used. Default: None |
+------------------+------------+---------------------------------------------------------+
| ``append`` | ``bmc``, | When generating a counter-example trace, add the |
| | ``prove``, | specified number of cycles at the end of the trace. |
| | ``cover`` | Default: ``0`` |

9
sbysrc/sby_core.py
View file

@ -497,6 +497,7 @@ class SbyJob:
self.handle_int_option("timeout", None)
self.handle_str_option("smtc", None)
self.handle_int_option("skip", None)
self.handle_str_option("tbtop", None)
if self.opt_smtc is not None:
@ -504,6 +505,14 @@ class SbyJob:
if engine[0] != "smtbmc":
self.error("Option smtc is only valid for smtbmc engine.")
if self.opt_skip is not None:
if self.opt_skip == 0:
self.opt_skip = None
else:
for engine in self.engines:
if engine[0] != "smtbmc":
self.error("Option skip is only valid for smtbmc engine.")
self.copy_src()
if self.opt_mode == "bmc":

10
sbysrc/sby_engine_smtbmc.py
View file

@ -121,9 +121,15 @@ def run(mode, job, engine_idx, engine):
if not progress:
smtbmc_opts.append("--noprogress")
if job.opt_skip is not None:
t_opt = "%d:%d" % (job.opt_skip, job.opt_depth)
else:
t_opt = "%d" % job.opt_depth
task = SbyTask(job, taskname, job.model(model_name),
"cd %s; %s %s -t %d --append %d --dump-vcd %s.vcd --dump-vlogtb %s_tb.v --dump-smtc %s.smtc model/design_%s.smt2" %
(job.workdir, job.exe_paths["smtbmc"], " ".join(smtbmc_opts), job.opt_depth, job.opt_append, trace_prefix, trace_prefix, trace_prefix, model_name),
"cd %s; %s %s -t %s --append %d --dump-vcd %s.vcd --dump-vlogtb %s_tb.v --dump-smtc %s.smtc model/design_%s.smt2" %
(job.workdir, job.exe_paths["smtbmc"], " ".join(smtbmc_opts), t_opt, job.opt_append, trace_prefix, trace_prefix, trace_prefix, model_name),
logfile=open(logfile_prefix + ".txt", "w"), logstderr=(not progress))
if mode == "prove_basecase":