def test_get_implicant_sat(self):
varA = Symbol("A", BOOL)
varX = Symbol("X", REAL)
f = And(varA, Equals(varX, Real(8)))
for solver in get_env().factory.all_solvers(logic=QF_LRA):
res = get_implicant(f, solver_name=solver)
self.assertIsNotNone(res, "Formula was expected to be SAT")
self.assertValid(Implies(res, f), logic=QF_LRA)
def test_examples_get_implicant(self):
for (f, _, satisfiability, logic) in get_example_formulae():
if logic.quantifier_free:
for sname in get_env().factory.all_solvers(logic=logic):
f_i = get_implicant(f, logic=logic, solver_name=sname)
if satisfiability:
self.assertValid(Implies(f_i, f), logic=logic, msg=(f_i, f))
else:
self.assertIsNone(f_i)
def test_get_implicant_sat(self):
varA = Symbol("A", BOOL)
varX = Symbol("X", REAL)
f = And(varA, Equals(varX, Real(8)))
for solver in get_env().factory.all_solvers(logic=QF_LRA):
res = get_implicant(f, solver_name=solver)
self.assertIsNotNone(res, "Formula was expected to be SAT")
self.assertValid(Implies(res, f), logic=QF_LRA)
def test_examples_get_implicant(self):
for (f, _, satisfiability, logic) in get_example_formulae():
if logic.quantifier_free:
for sname in get_env().factory.all_solvers(logic=logic):
f_i = get_implicant(f, logic=logic, solver_name=sname)
if satisfiability:
self.assertValid(Implies(f_i, f), logic=logic, msg=(f_i, f))
else:
self.assertIsNone(f_i)
def test_get_implicant_unsat(self):
varA = Symbol("A", BOOL)
varB = Symbol("B", BOOL)
f = And(varA, Not(varB))
g = f.substitute({varB: varA})
for solver in get_env().factory.all_solvers(logic=QF_BOOL):
res = get_implicant(g, solver_name=solver)
self.assertIsNone(res, "Formula was expected to be UNSAT")
def test_get_implicant_unsat(self):
varA = Symbol("A", BOOL)
varB = Symbol("B", BOOL)
f = And(varA, Not(varB))
g = f.substitute({varB:varA})
for solver in get_env().factory.all_solvers(logic=QF_BOOL):
res = get_implicant(g, solver_name=solver)
self.assertIsNone(res, "Formula was expected to be UNSAT")
def test_examples_get_implicant(self):
for (f, _, satisfiability, logic) in get_example_formulae():
if logic.quantifier_free:
for sname in get_env().factory.all_solvers(logic=logic):
try:
f_i = get_implicant(f, logic=logic, solver_name=sname)
if satisfiability:
self.assertValid(Implies(f_i, f), logic=logic, msg=f)
else:
self.assertIsNone(f_i)
except ConvertExpressionError as ex:
# Some solvers do not support ARRAY_VALUE
self.assertEqual(ex.expression.node_type(), op.ARRAY_VALUE)
self.assertTrue(sname in ["cvc4", "btor"])
def test_examples_get_implicant(self):
for (f, _, satisfiability, logic) in get_example_formulae():
if logic.quantifier_free:
for sname in get_env().factory.all_solvers(logic=logic):
try:
f_i = get_implicant(f, logic=logic, solver_name=sname)
if satisfiability:
self.assertValid(Implies(f_i, f),
logic=logic,
msg=(f_i, f))
else:
self.assertIsNone(f_i)
except ConvertExpressionError as ex:
# Some solvers do not support ARRAY_VALUE
self.assertEqual(ex.expression.node_type(),
op.ARRAY_VALUE)
self.assertTrue(sname in ["cvc4", "btor"])
