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| author | Clifford Wolf <clifford@clifford.at> | 2015-10-15 15:54:59 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2015-10-15 15:54:59 +0200 |
| commit | 255bb914bada727806df4bdc22ab8472f03a6317 (patch) | |
| tree | c17c6a477be758e4bd5823b6a1b311ed749d7127 /backends/smt2 | |
| parent | 5308c1e02a4867b184efd8cbb419c058032d06b4 (diff) | |
| download | yosys-255bb914bada727806df4bdc22ab8472f03a6317.tar.gz yosys-255bb914bada727806df4bdc22ab8472f03a6317.tar.bz2 yosys-255bb914bada727806df4bdc22ab8472f03a6317.zip | |
Progress in yosys-smtbmc
Diffstat (limited to 'backends/smt2')
| -rw-r--r-- | backends/smt2/smtbmc.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py index 60cd9775e..db0bce4bb 100644 --- a/backends/smt2/smtbmc.py +++ b/backends/smt2/smtbmc.py @@ -121,6 +121,7 @@ def write_vcd_model(steps): if tempind: + retstatus = False for step in range(num_steps, -1, -1): smt.write("(declare-fun s%d () %s_s)" % (step, topmod)) smt.write("(assert (%s_u s%d))" % (topmod, step)) @@ -140,16 +141,18 @@ if tempind: if smt.check_sat() == "sat": if step == 0: - print("%s temporal induction failed!" % smt.timestamp()) + print("%s Temporal induction failed!" % smt.timestamp()) if vcdfile is not None: write_vcd_model(num_steps+1) else: - print("%s PASSED." % smt.timestamp()) + print("%s Temporal induction successful." % smt.timestamp()) + retstatus = True break else: # not tempind + retstatus = True for step in range(num_steps+1): smt.write("(declare-fun s%d () %s_s)" % (step, topmod)) smt.write("(assert (%s_u s%d))" % (topmod, step)) @@ -176,7 +179,8 @@ else: # not tempind if smt.check_sat() == "sat": print("%s BMC failed!" % smt.timestamp()) if vcdfile is not None: - write_vcd_model(steps+1) + write_vcd_model(step+1) + retstatus = False break else: # unsat @@ -184,7 +188,9 @@ else: # not tempind smt.write("(assert (%s_a s%d))" % (topmod, step)) -print("%s Done." % smt.timestamp()) smt.write("(exit)") smt.wait() +print("%s Status: %s" % (smt.timestamp(), "PASSED" if retstatus else "FAILED (!)")) +sys.exit(0 if retstatus else 1) + |