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Bugfix in yosys-smtbmc --noincr

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This commit is contained in:
Clifford Wolf 2016-10-04 00:54:44 +02:00
parent 1114ce9210
commit 5f7c5e685b
1 changed files with 8 additions and 1 deletions
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9
backends/smt2/smtio.py
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@ -270,11 +270,17 @@ class SmtIo:
if self.solver != "dummy":
if self.noincr:
if self.p is not None and not stmt.startswith("(get-"):
self.p.stdin.close()
self.p = None
if stmt == "(push 1)":
self.smt2cache.append(list())
elif stmt == "(pop 1)":
self.smt2cache.pop()
else:
if self.p is not None:
self.p.stdin.write(bytes(stmt + "\n", "ascii"))
self.p.stdin.flush()
self.smt2cache[-1].append(stmt)
else:
self.p.stdin.write(bytes(stmt + "\n", "ascii"))
@ -394,6 +400,7 @@ class SmtIo:
if self.noincr:
if self.p is not None:
self.p.stdin.close()
self.p = None
self.p = subprocess.Popen(self.popen_vargs, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for cache_ctx in self.smt2cache:
for cache_stmt in cache_ctx:
@ -596,7 +603,7 @@ class SmtIo:
return [self.bv2bin(v) for v in self.get_net_list(mod_name, net_path_list, state_name)]
def wait(self):
if self.solver != "dummy":
if self.p is not None:
self.p.wait()