diff options
Diffstat (limited to 'backends/smt2/smtio.py')
| -rw-r--r-- | backends/smt2/smtio.py | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py index 14feec30d..64e4cd79a 100644 --- a/backends/smt2/smtio.py +++ b/backends/smt2/smtio.py @@ -123,6 +123,7 @@ class SmtIo: self.forall = False self.timeout = 0 self.produce_models = True + self.recheck = False self.smt2cache = [list()] self.smt2_options = dict() self.p = None @@ -176,7 +177,10 @@ class SmtIo: self.unroll = False if self.solver == "yices": - if self.noincr or self.forall: + if self.forall: + self.noincr = True + + if self.noincr: self.popen_vargs = ['yices-smt2'] + self.solver_opts else: self.popen_vargs = ['yices-smt2', '--incremental'] + self.solver_opts @@ -189,11 +193,12 @@ class SmtIo: if self.timeout != 0: self.popen_vargs.append('-T:%d' % self.timeout); - if self.solver == "cvc4": + if self.solver in ["cvc4", "cvc5"]: + self.recheck = True if self.noincr: - self.popen_vargs = ['cvc4', '--lang', 'smt2.6' if self.logic_dt else 'smt2'] + self.solver_opts + self.popen_vargs = [self.solver, '--lang', 'smt2.6' if self.logic_dt else 'smt2'] + self.solver_opts else: - self.popen_vargs = ['cvc4', '--incremental', '--lang', 'smt2.6' if self.logic_dt else 'smt2'] + self.solver_opts + self.popen_vargs = [self.solver, '--incremental', '--lang', 'smt2.6' if self.logic_dt else 'smt2'] + self.solver_opts if self.timeout != 0: self.popen_vargs.append('--tlimit=%d000' % self.timeout); @@ -404,6 +409,8 @@ class SmtIo: stmt = re.sub(r" *;.*", "", stmt) if stmt == "": return + recheck = None + if unroll and self.unroll: stmt = self.unroll_buffer + stmt self.unroll_buffer = "" @@ -415,6 +422,9 @@ class SmtIo: s = self.parse(stmt) + if self.recheck and s and s[0].startswith("get-"): + recheck = self.unroll_idcnt + if self.debug_print: print("-> %s" % s) @@ -440,6 +450,9 @@ class SmtIo: stmt = self.unparse(self.unroll_stmt(s)) + if recheck is not None and recheck != self.unroll_idcnt: + self.check_sat(["sat"]) + if stmt == "(push 1)": self.unroll_stack.append(( copy(self.unroll_sorts), |