def _smtlib_cnf(self, filename, logic, res_is_sat):
reset_env()
conv = CNFizer()
smtfile = os.path.join(SMTLIB_DIR, filename)
assert os.path.exists(smtfile)
expr = get_formula_fname(smtfile)
if not logic.quantifier_free:
with self.assertRaises(NotImplementedError):
conv.convert_as_formula(expr)
return
cnf = conv.convert_as_formula(expr)
self.assertValid(Implies(cnf, expr), logic=logic)
res = is_sat(cnf, logic=logic)
self.assertEqual(res, res_is_sat)
def _smtlib_cnf(self, filename, logic, res_is_sat):
reset_env()
conv = CNFizer()
smtfile = os.path.join(SMTLIB_DIR, filename)
assert os.path.exists(smtfile)
expr = get_formula_fname(smtfile)
if not logic.quantifier_free:
with self.assertRaises(NotImplementedError):
conv.convert_as_formula(expr)
return
cnf = conv.convert_as_formula(expr)
self.assertValid(Implies(cnf, expr), logic=logic)
res = is_sat(cnf, logic=logic)
self.assertEqual(res, res_is_sat)
def test_implies(self):
a, b, c, d = (Symbol(x) for x in "abcd")
f = Implies(Iff(a, b), Iff(c, d))
conv = CNFizer()
cnf = conv.convert_as_formula(f)
self.assertValid(Implies(cnf, f), logic=QF_BOOL)
def test_implies(self):
a,b,c,d = (Symbol(x) for x in "abcd")
f = Implies(Iff(a, b), Iff(c, d))
conv = CNFizer()
cnf = conv.convert_as_formula(f)
self.assertValid(Implies(cnf, f), logic=QF_BOOL)
def do_examples(self, logic):
conv = CNFizer()
for example in EXAMPLE_FORMULAS:
if example.logic != logic:
continue
cnf = conv.convert_as_formula(example.expr)
self.assertValid(Implies(cnf, example.expr), logic=logic)
res = is_sat(cnf, logic=logic)
self.assertEqual(res, example.is_sat)
def do_examples(self, logic):
conv = CNFizer()
for example in get_example_formulae():
if example.logic != logic:
continue
cnf = conv.convert_as_formula(example.expr)
self.assertValid(Implies(cnf, example.expr), logic=logic)
res = is_sat(cnf, logic=logic)
self.assertEqual(res, example.is_sat)
