コード例 #1
0
ファイル: test_smtlibscript.py プロジェクト: mpreiner/pysmt
    def test_from_formula(self):
        x, y = Symbol("x"), Symbol("y")
        f = And(x, Or(y, x))
        script = smtlibscript_from_formula(f)

        self.assertIsNotNone(script)
        outstream = cStringIO()
        script.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic ", output)
        self.assertIn("(declare-fun x () Bool)", output)
        self.assertIn("(declare-fun y () Bool)", output)
        self.assertIn("(check-sat)", output)

        # Use custom logic (as str)
        script2 = smtlibscript_from_formula(f, logic="BOOL")
        outstream = cStringIO()
        script2.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic BOOL)", output)

        # Use custom logic (as Logic obj)
        script3 = smtlibscript_from_formula(f, logic=QF_UFLIRA)
        outstream = cStringIO()
        script3.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic QF_UFLIRA)", output)

        # Custom logic must be a Logic or Str
        with self.assertRaises(UndefinedLogicError):
            smtlibscript_from_formula(f, logic=4)
コード例 #2
0
ファイル: test_smtlibscript.py プロジェクト: yoni206/pysmt
    def test_from_formula(self):
        x, y = Symbol("x"), Symbol("y")
        f = And(x, Or(y, x))
        script = smtlibscript_from_formula(f)

        self.assertIsNotNone(script)
        outstream = cStringIO()
        script.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic ", output)
        self.assertIn("(declare-fun x () Bool)", output)
        self.assertIn("(declare-fun y () Bool)", output)
        self.assertIn("(check-sat)", output)

        # Use custom logic (as str)
        script2 = smtlibscript_from_formula(f, logic="BOOL")
        outstream = cStringIO()
        script2.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic BOOL)", output)

        # Use custom logic (as Logic obj)
        script3 = smtlibscript_from_formula(f, logic=QF_UFLIRA)
        outstream = cStringIO()
        script3.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic QF_UFLIRA)", output)

        # Custom logic must be a Logic or Str
        with self.assertRaises(UndefinedLogicError):
            smtlibscript_from_formula(f, logic=4)
コード例 #3
0
ファイル: test_parser_examples.py プロジェクト: pysmt/pysmt
    def test_dumped_logic(self):
        # Dumped logic matches the logic in the example.
        #
        # There are a few cases where we use a logic
        # that does not exist in SMT-LIB, and the SMT-LIB
        # serialization logic will find a logic that
        # is more expressive. We need to adjust the test
        # for those cases (see rewrite dict below).
        rewrite = {
            logics.QF_BOOL: logics.QF_UF,
            logics.BOOL: logics.LRA,
            logics.QF_NIRA: logics.AUFNIRA,
        }
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            buf_out = StringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out)
            buf_in = StringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            for cmd in script_in:
                if cmd.name == "set-logic":
                    logic_in = cmd.args[0]
                    self.assertEqual(logic_in, rewrite.get(logic, logic))
                    break
            else:  # Loops exited normally
                print("-"*40)
                print(script_in)
コード例 #4
0
ファイル: test_parser_examples.py プロジェクト: 0Chuzz/pysmt
    def test_dumped_logic(self):
        # Dumped logic matches the logic in the example
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            buf_out = cStringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out)

            buf_in = cStringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            for cmd in script_in:
                if cmd.name == "set-logic":
                    logic_in = cmd.args[0]
                    if logic == logics.QF_BOOL:
                        self.assertEqual(logic_in, logics.QF_UF)
                    elif logic == logics.BOOL:
                        self.assertEqual(logic_in, logics.LRA)
                    else:
                        self.assertEqual(logic_in, logic, script_in)
                    break
            else: # Loops exited normally
                print("-"*40)
                print(script_in)
コード例 #5
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    def test_dumped_logic(self):
        # Dumped logic matches the logic in the example
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            buf_out = cStringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out)

            buf_in = cStringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            for cmd in script_in:
                if cmd.name == "set-logic":
                    logic_in = cmd.args[0]
                    if logic == logics.QF_BOOL:
                        self.assertEqual(logic_in, logics.QF_UF)
                    elif logic == logics.BOOL:
                        self.assertEqual(logic_in, logics.LRA)
                    else:
                        self.assertEqual(logic_in, logic, script_in)
                    break
            else:  # Loops exited normally
                print("-" * 40)
                print(script_in)
コード例 #6
0
ファイル: test_smtlibscript.py プロジェクト: shadown/pysmt
    def test_from_formula(self):
        x, y = Symbol("x"), Symbol("y")
        f = And(x, Or(y, x))
        script = smtlibscript_from_formula(f)

        self.assertIsNotNone(script)
        outstream = cStringIO()
        script.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic ", output)
        self.assertIn("(declare-fun x () Bool)", output)
        self.assertIn("(declare-fun y () Bool)", output)
        self.assertIn("(check-sat)", output)
コード例 #7
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    def test_parse_examples_daggified(self):
        fs = get_example_formulae()

        for (f_out, _, _, _) in fs:
            buf_out = cStringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out, daggify=True)

            buf_in = cStringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            f_in = script_in.get_last_formula()
            self.assertEqual(f_in, f_out)
コード例 #8
0
ファイル: test_smtlibscript.py プロジェクト: bogiebro/pysmt
    def test_from_formula(self):
        x, y = Symbol("x"), Symbol("y")
        f = And(x, Or(y, x))
        script = smtlibscript_from_formula(f)

        self.assertIsNotNone(script)
        outstream = cStringIO()
        script.serialize(outstream)
        output = outstream.getvalue()
        self.assertIn("(set-logic ", output)
        self.assertIn("(declare-fun x () Bool)", output)
        self.assertIn("(declare-fun y () Bool)", output)
        self.assertIn("(check-sat)", output)
コード例 #9
0
ファイル: test_parser_examples.py プロジェクト: pysmt/pysmt
    def test_parse_examples_daggified_bv(self):
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            if logic != logics.QF_BV:
                # See test_parse_examples_daggified
                continue
            buf_out = StringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out, daggify=True)
            buf_in = StringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            f_in = script_in.get_last_formula()
            self.assertValid(Iff(f_in, f_out), f_in.serialize())
コード例 #10
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    def test_parse_examples_daggified_bv(self):
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            if logic != logics.QF_BV:
                # See test_parse_examples_daggified
                continue
            buf_out = cStringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out, daggify=True)
            buf_in = cStringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            f_in = script_in.get_last_formula()
            self.assertValid(Iff(f_in, f_out), f_in.serialize())
コード例 #11
0
ファイル: test_parser_examples.py プロジェクト: pysmt/pysmt
    def test_parse_examples(self):
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            if logic == logics.QF_BV:
                # See test_parse_examples_bv
                continue
            buf = StringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf)

            buf.seek(0)
            parser = SmtLibParser()
            script_in = parser.get_script(buf)
            f_in = script_in.get_last_formula()
            self.assertEqual(f_in.simplify(), f_out.simplify())
コード例 #12
0
ファイル: test_parser_examples.py プロジェクト: 0Chuzz/pysmt
    def test_parse_examples(self):
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            if logic == logics.QF_BV:
                # See test_parse_examples_bv
                continue
            buf_out = cStringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out)

            buf_in = cStringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            f_in = script_in.get_last_formula()
            self.assertEqual(f_in.simplify(), f_out.simplify())
コード例 #13
0
ファイル: test_parser_examples.py プロジェクト: pysmt/pysmt
    def test_parse_examples_bv(self):
        """For BV we represent a superset of the operators defined in SMT-LIB.

        We verify the correctness of the serialization process by
        checking the equivalence of the original and serialized
        expression.
        """
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            if logic != logics.QF_BV:
                continue
            buf_out = StringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out)

            buf_in = StringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            f_in = script_in.get_last_formula()

            self.assertValid(Iff(f_in, f_out))
コード例 #14
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    def test_parse_examples_bv(self):
        """For BV we represent a superset of the operators defined in SMT-LIB.

        We verify the correctness of the serialization process by
        checking the equivalence of the original and serialized
        expression.
        """
        fs = get_example_formulae()

        for (f_out, _, _, logic) in fs:
            if logic != logics.QF_BV:
                continue
            buf_out = cStringIO()
            script_out = smtlibscript_from_formula(f_out)
            script_out.serialize(outstream=buf_out)

            buf_in = cStringIO(buf_out.getvalue())
            parser = SmtLibParser()
            script_in = parser.get_script(buf_in)
            f_in = script_in.get_last_formula()

            self.assertValid(Iff(f_in, f_out))
コード例 #15
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    p.add_argument('max_oa', help='Over-approximate max in ReLUs')
    p.add_argument('simplex_friendly', help='Simplex-friendly encoding')

    opts = p.parse_args()

    logger.debug('Filename is ' + opts.nnet)
    logger.debug('Violation file is ' + opts.violation)
    overapproximate_max = bool(int(opts.max_oa))
    logger.debug('Using Max overapproximation ' + str(overapproximate_max))
    simplex_friendly = bool(int(opts.simplex_friendly))
    logger.debug('Using Simplex-friendly encoding' + str(simplex_friendly))

    nnet2smt = Nnet2Smt(opts.nnet, opts.violation)
    #nnet2smt.print_nnet_info()
    nnet2smt.convert(True)
    if overapproximate_max:
        if simplex_friendly:
            nnet2smt.add_relu_simplex_friendly_OA()
        else:
            nnet2smt.add_relu_maxOA_constraint()
    else:
        if simplex_friendly:
            nnet2smt.add_relu_simplex_friendly_eager()
        else:
            nnet2smt.add_relu_eager_constraint()

    f = nnet2smt.get_smt_formula()

    script_out = smtlibscript_from_formula(f)
    script_out.serialize(outstream=sys.stdout, daggify=False)