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Unified trace generation using yosys's sim across all engines

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Currently opt-in using the `fst` or `vcd_sim` options.
This commit is contained in:
Jannis Harder 2023-01-10 15:33:18 +01:00
parent 4c44a10f72
commit 6d3b5aa960
15 changed files with 686 additions and 183 deletions
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80
sbysrc/sby_engine_abc.py
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@ -16,8 +16,9 @@
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
import re, os, getopt, click
import re, getopt
from sby_core import SbyProc
from sby_engine_aiger import aigsmt_exit_callback
def run(mode, task, engine_idx, engine):
abc_opts, abc_command = getopt.getopt(engine[1:], "", [])
@ -46,6 +47,21 @@ def run(mode, task, engine_idx, engine):
else:
task.error(f"Invalid ABC command {abc_command[0]}.")
smtbmc_vcd = task.opt_vcd and not task.opt_vcd_sim
run_aigsmt = smtbmc_vcd or (task.opt_append and task.opt_append_assume)
smtbmc_append = 0
sim_append = 0
log = task.log_prefix(f"engine_{engine_idx}")
if task.opt_append_assume:
smtbmc_append = task.opt_append
elif smtbmc_vcd:
if not task.opt_append_assume:
log("For VCDs generated by smtbmc the option 'append_assume off' is ignored")
smtbmc_append = task.opt_append
else:
sim_append = task.opt_append
proc = SbyProc(
task,
f"engine_{engine_idx}",
@ -79,64 +95,8 @@ def run(mode, task, engine_idx, engine):
return line
def exit_callback(retcode):
if proc_status is None:
task.error(f"engine_{engine_idx}: Could not determine engine status.")
task.update_status(proc_status)
task.log(f"{click.style(f'engine_{engine_idx}', fg='magenta')}: Status returned by engine: {proc_status}")
task.summary.append(f"""engine_{engine_idx} ({" ".join(engine)}) returned {proc_status}""")
task.terminate()
if proc_status == "FAIL" and task.opt_aigsmt != "none":
trace_prefix = f"engine_{engine_idx}/trace"
smtbmc_opts = []
smtbmc_opts += ["-s", task.opt_aigsmt]
if task.opt_tbtop is not None:
smtbmc_opts += ["--vlogtb-top", task.opt_tbtop]
smtbmc_opts += ["--noprogress", f"--append {task.opt_append}"]
if task.opt_vcd:
smtbmc_opts += [f"--dump-vcd {trace_prefix}.vcd"]
smtbmc_opts += [f"--dump-yw {trace_prefix}.yw", f"--dump-vlogtb {trace_prefix}_tb.v", f"--dump-smtc {trace_prefix}.smtc"]
witness_proc = SbyProc(
task, f"engine_{engine_idx}", [],
f"cd {task.workdir}; {task.exe_paths['witness']} aiw2yw engine_{engine_idx}/trace.aiw model/design_aiger.ywa engine_{engine_idx}/trace.yw",
)
proc2 = SbyProc(
task,
f"engine_{engine_idx}",
[*task.model("smt2"), witness_proc],
f"cd {task.workdir}; {task.exe_paths['smtbmc']} {' '.join(smtbmc_opts)} --yw engine_{engine_idx}/trace.yw model/design_smt2.smt2",
logfile=open(f"{task.workdir}/engine_{engine_idx}/logfile2.txt", "w")
)
proc2_status = None
def output_callback2(line):
nonlocal proc2_status
match = re.match(r"^## [0-9: ]+ Status: FAILED", line)
if match: proc2_status = "FAIL"
match = re.match(r"^## [0-9: ]+ Status: PASSED", line)
if match: proc2_status = "PASS"
return line
def exit_callback2(retcode):
if proc2_status is None:
task.error(f"engine_{engine_idx}: Could not determine aigsmt status.")
if proc2_status != "FAIL":
task.error(f"engine_{engine_idx}: Unexpected aigsmt status.")
if os.path.exists(f"{task.workdir}/engine_{engine_idx}/trace.vcd"):
task.summary.append(f"counterexample trace: {task.workdir}/engine_{engine_idx}/trace.vcd")
proc2.output_callback = output_callback2
proc2.exit_callback = exit_callback2
aigsmt_exit_callback(task, engine_idx, proc_status,
run_aigsmt=run_aigsmt, smtbmc_vcd=smtbmc_vcd, smtbmc_append=smtbmc_append, sim_append=sim_append, )
proc.output_callback = output_callback
proc.exit_callback = exit_callback
proc.register_exit_callback(exit_callback)