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btor engine: handle models with 0 properties

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This commit is contained in:
N. Engelhardt 2020-05-18 13:11:25 +02:00
parent 87eb47502d
commit 9fdece3dab
1 changed files with 8 additions and 4 deletions
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10
sbysrc/sby_engine_btor.py
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@ -52,6 +52,8 @@ def run(mode, job, engine_idx, engine):
if mode == "cover":
if common_state.assert_fail:
task_status = "FAIL"
elif common_state.expected_cex == 0:
task_status = "pass"
elif common_state.solver_status == "sat":
task_status = "pass"
elif common_state.solver_status == "unsat":
@ -59,7 +61,9 @@ def run(mode, job, engine_idx, engine):
else:
job.error("engine_{}: Engine terminated without status.".format(engine_idx))
else:
if common_state.solver_status == "sat":
if common_state.expected_cex == 0:
task_status = "pass"
elif common_state.solver_status == "sat":
task_status = "FAIL"
elif common_state.solver_status == "unsat":
task_status = "pass"
@ -71,7 +75,7 @@ def run(mode, job, engine_idx, engine):
job.summary.append("engine_{} ({}) returned {}".format(engine_idx, " ".join(engine), task_status))
if len(common_state.produced_traces) == 0:
job.log("engine_{}: Engine did not produce a counter example.".format(engine_idx))
job.log("engine_{}: Engine did not produce a{}example.".format(engine_idx, " counter" if mode != "cover" else "n "))
elif len(common_state.produced_traces) <= common_state.print_traces_max:
job.summary.extend(common_state.produced_traces)
else:
@ -110,7 +114,6 @@ def run(mode, job, engine_idx, engine):
match = re.search(r"calling BMC on ([0-9]+) properties", line)
if match:
common_state.expected_cex = int(match[1])
assert common_state.expected_cex > 0
assert common_state.produced_cex == 0
if (common_state.produced_cex < common_state.expected_cex) and line == "sat":
@ -163,6 +166,7 @@ def run(mode, job, engine_idx, engine):
def exit_callback(retcode):
assert retcode == 0
if common_state.expected_cex != 0:
assert common_state.solver_status is not None
if common_state.solver_status == "unsat":