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Added $anyconst support to yosys-smtbmc

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This commit is contained in:
Clifford Wolf 2016-08-30 19:27:42 +02:00
parent 6f41e5277d
commit aa25a4cec6
7 changed files with 58 additions and 2 deletions
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20
backends/smt2/smtbmc.py
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@ -504,6 +504,20 @@ def print_failed_asserts(state, final=False):
print_failed_asserts_worker(topmod, "s%d" % state, topmod)
def print_anyconsts_worker(mod, state, path):
assert mod in smt.modinfo
for cellname, celltype in smt.modinfo[mod].cells.items():
print_anyconsts_worker(celltype, "(|%s_h %s| %s)" % (mod, cellname, state), path + "." + cellname)
for fun, info in smt.modinfo[mod].anyconsts.items():
print("%s Value for anyconst in %s (%s): %d" % (smt.timestamp(), path, info, smt.bv2int(smt.get("(|%s| %s)" % (fun, state)))))
def print_anyconsts(state):
print_anyconsts_worker(topmod, "s%d" % state, topmod)
if tempind:
retstatus = False
skip_counter = step_size
@ -535,10 +549,12 @@ if tempind:
if smt.check_sat() == "sat":
if step == 0:
print("%s Temporal induction failed!" % smt.timestamp())
print_anyconsts(num_steps)
print_failed_asserts(num_steps)
write_trace(step, num_steps+1, '%')
elif dumpall:
print_anyconsts(num_steps)
print_failed_asserts(num_steps)
write_trace(step, num_steps+1, "%d" % step)
@ -598,6 +614,7 @@ else: # not tempind
if smt.check_sat() == "sat":
print("%s BMC failed!" % smt.timestamp())
print_anyconsts(step)
for i in range(step, last_check_step+1):
print_failed_asserts(i)
write_trace(0, last_check_step+1, '%')
@ -623,6 +640,7 @@ else: # not tempind
if smt.check_sat() == "sat":
print("%s BMC failed!" % smt.timestamp())
print_anyconsts(i)
print_failed_asserts(i, final=True)
write_trace(0, i+1, '%')
retstatus = False
@ -644,11 +662,13 @@ else: # not tempind
break
elif dumpall:
print_anyconsts(0)
write_trace(0, last_check_step+1, "%d" % step)
step += step_size
if gentrace:
print_anyconsts(0)
write_trace(0, num_steps, '%')