def assertConstraint(self, constraint, cfr):
if Common.FLAG:
SMTLib.toStr(constraint)
if Options.PRODUCE_UNSAT_CORE:
p = cfr.solver.convert(SMTLib.SMT_Bool("bool" + str(Common.getConstraintUID()) + "_" + str(self.assertID)))
cfr.unsat_core_trackers.append(p)
cfr.low_level_unsat_core_trackers[str(p)] = constraint
cfr.unsat_map[str(p)] = self
cfr.solver.add(SMTLib.SMT_Implies(p, constraint, unsat_core_implies=True))
else:
cfr.solver.add(constraint)
def declpexpVisit(self, element):
if Options.BREAK_QUANTIFIER_SYMMETRY:
#TODO actually do this...
sys.exit("BREAK_QUANTIFIER_SYMMETRY still unimplemented.")
symmetryChecker = CheckFunctionSymmetry(self.cfr)
visitors.Visitor.visit(symmetryChecker, element.bodyParentExp)
isSymmetric = symmetryChecker.isSymmetric
# print(symmetryChecker.isSymmetric)
else:
isSymmetric = False
num_args = 0
if element.declaration:
visitors.Visitor.visit(self, element.declaration.body.iExp[0])
if not self.currentConstraint.stack:
return
arg = self.currentConstraint.stack.pop()
isDisjunct = element.declaration.isDisjunct
for i in range(len(arg)):
(combinations,
ifconstraints) = self.createAllLocalsCombinations(
element.declaration.localDeclarations, arg[i], isDisjunct,
isSymmetric)
if len(combinations) == 0:
if element.quantifier == "Some":
self.currentConstraint.stack.append(
[BoolArg(SMTLib.SMT_Bool(False))])
elif element.quantifier == "All":
self.currentConstraint.stack.append(
[BoolArg(SMTLib.SMT_Bool(True))])
return
num_args = len(combinations[0])
num_combinations = len(combinations)
for i in combinations:
for j in range(num_args):
self.currentConstraint.addLocal(
element.declaration.localDeclarations[j].element,
[i[j]])
visitors.Visitor.visit(self, element.bodyParentExp)
self.currentConstraint.addQuantifier(element.quantifier,
num_args,
num_combinations,
ifconstraints)
exprArgList = []
for i in range(len(arg)):
exprArgList.insert(0, self.currentConstraint.stack.pop()[0])
self.currentConstraint.addArg(exprArgList)
else:
visitors.Visitor.visit(self, element.bodyParentExp)
num_args = 1
num_combinations = 1
ifconstraints = []
exprList = self.currentConstraint.stack.pop()
exprArgList = []
for i in exprList:
self.currentConstraint.stack.append([i])
self.currentConstraint.addQuantifier(element.quantifier,
num_args,
num_combinations,
ifconstraints)
exprArgList.append(self.currentConstraint.stack.pop()[0])
self.currentConstraint.addArg(exprArgList)
