diff options
Diffstat (limited to 'backends/smt2')
| -rw-r--r-- | backends/smt2/smt2.cc | 11 | ||||
| -rw-r--r-- | backends/smt2/smtbmc.py | 7 | ||||
| -rw-r--r-- | backends/smt2/smtio.py | 10 |
3 files changed, 22 insertions, 6 deletions
diff --git a/backends/smt2/smt2.cc b/backends/smt2/smt2.cc index f2fa003bc..9bf0de03e 100644 --- a/backends/smt2/smt2.cc +++ b/backends/smt2/smt2.cc @@ -985,8 +985,10 @@ struct Smt2Worker string name_a = get_bool(cell->getPort(ID::A)); string name_en = get_bool(cell->getPort(ID::EN)); - string infostr = (cell->name[0] == '$' && cell->attributes.count(ID::src)) ? cell->attributes.at(ID::src).decode_string() : get_id(cell); - decls.push_back(stringf("; yosys-smt2-%s %d %s\n", cell->type.c_str() + 1, id, infostr.c_str())); + if (cell->name[0] == '$' && cell->attributes.count(ID::src)) + decls.push_back(stringf("; yosys-smt2-%s %d %s %s\n", cell->type.c_str() + 1, id, get_id(cell), cell->attributes.at(ID::src).decode_string().c_str())); + else + decls.push_back(stringf("; yosys-smt2-%s %d %s\n", cell->type.c_str() + 1, id, get_id(cell))); if (cell->type == ID($cover)) decls.push_back(stringf("(define-fun |%s_%c %d| ((state |%s_s|)) Bool (and %s %s)) ; %s\n", @@ -1531,6 +1533,11 @@ struct Smt2Backend : public Backend { log_header(design, "Executing SMT2 backend.\n"); + log_push(); + Pass::call(design, "bmuxmap"); + Pass::call(design, "demuxmap"); + log_pop(); + size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py index e5cfcdc08..7527f4105 100644 --- a/backends/smt2/smtbmc.py +++ b/backends/smt2/smtbmc.py @@ -492,7 +492,7 @@ if aimfile is not None: got_state = True for entry in f.read().splitlines(): - if len(entry) == 0 or entry[0] in "bcjfu.": + if len(entry) == 0 or entry[0] in "bcjfu.#": continue if not got_state: @@ -583,7 +583,10 @@ if aimfile is not None: if not got_topt: skip_steps = max(skip_steps, step) - num_steps = max(num_steps, step+1) + # some solvers optimize the properties so that they fail one cycle early, + # thus we check the properties in the cycle the aiger witness ends, and + # if that doesn't work, we check the cycle after that as well. + num_steps = max(num_steps, step+2) step += 1 if btorwitfile is not None: diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py index d73a875ba..3d458e6cf 100644 --- a/backends/smt2/smtio.py +++ b/backends/smt2/smtio.py @@ -536,10 +536,16 @@ class SmtIo: self.modinfo[self.curmod].clocks[fields[2]] = "event" if fields[1] == "yosys-smt2-assert": - self.modinfo[self.curmod].asserts["%s_a %s" % (self.curmod, fields[2])] = fields[3] + if len(fields) > 4: + self.modinfo[self.curmod].asserts["%s_a %s" % (self.curmod, fields[2])] = f'{fields[4]} ({fields[3]})' + else: + self.modinfo[self.curmod].asserts["%s_a %s" % (self.curmod, fields[2])] = fields[3] if fields[1] == "yosys-smt2-cover": - self.modinfo[self.curmod].covers["%s_c %s" % (self.curmod, fields[2])] = fields[3] + if len(fields) > 4: + self.modinfo[self.curmod].covers["%s_c %s" % (self.curmod, fields[2])] = f'{fields[4]} ({fields[3]})' + else: + self.modinfo[self.curmod].covers["%s_c %s" % (self.curmod, fields[2])] = fields[3] if fields[1] == "yosys-smt2-maximize": self.modinfo[self.curmod].maximize.add(fields[2]) |