diff options
Diffstat (limited to 'backends/smt2/smtio.py')
| -rw-r--r-- | backends/smt2/smtio.py | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py index ab20a4af2..bac68ac70 100644 --- a/backends/smt2/smtio.py +++ b/backends/smt2/smtio.py @@ -43,7 +43,11 @@ if os.name == "posix": if current_rlimit_stack[1] != resource.RLIM_INFINITY: smtio_stacksize = min(smtio_stacksize, current_rlimit_stack[1]) if current_rlimit_stack[0] < smtio_stacksize: - resource.setrlimit(resource.RLIMIT_STACK, (smtio_stacksize, current_rlimit_stack[1])) + try: + resource.setrlimit(resource.RLIMIT_STACK, (smtio_stacksize, current_rlimit_stack[1])) + except ValueError: + # couldn't get more stack, just run with what we have + pass # currently running solvers (so we can kill them) @@ -1023,6 +1027,8 @@ class MkVcd: assert t >= self.t if t != self.t: if self.t == -1: + print("$version Generated by Yosys-SMTBMC $end", file=self.f) + print("$timescale 1ns $end", file=self.f) print("$var integer 32 t smt_step $end", file=self.f) print("$var event 1 ! smt_clock $end", file=self.f) @@ -1041,7 +1047,10 @@ class MkVcd: scope = scope[:-1] while uipath[:-1] != scope: - print("$scope module %s $end" % uipath[len(scope)], file=self.f) + scopename = uipath[len(scope)] + if scopename.startswith("$"): + scopename = "\\" + scopename + print("$scope module %s $end" % scopename, file=self.f) scope.append(uipath[len(scope)]) if path in self.clocks and self.clocks[path][1] == "event": |