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cvc5/test/unit/api/python/test_solver.py
Andrew Reynolds 00e19fdbe2 Minor improvements to difficulty manager (#9510) 
We now track difficulty on lemmas themselves, which can potentially used as a heuristic for measuring the usefulness of lemmas.

This also makes it so that all literals in lemmas are used for incrementing difficulty.
2023-03-08 21:36:44 +00:00

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###############################################################################
# Top contributors (to current version):
# Ying Sheng, Yoni Zohar, Aina Niemetz
#
# This file is part of the cvc5 project.
#
# Copyright (c) 2009-2022 by the authors listed in the file AUTHORS
# in the top-level source directory and their institutional affiliations.
# All rights reserved. See the file COPYING in the top-level source
# directory for licensing information.
# #############################################################################
##
import pytest
import cvc5
import sys
from cvc5 import Kind, SortKind, BlockModelsMode, RoundingMode, LearnedLitType, ProofComponent
@pytest.fixture
def solver():
return cvc5.Solver()
def test_recoverable_exception(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x).notTerm())
with pytest.raises(RuntimeError):
c = solver.getValue(x)
def test_supports_floating_point(solver):
solver.mkRoundingMode(RoundingMode.ROUND_NEAREST_TIES_TO_EVEN)
def test_get_boolean_sort(solver):
solver.getBooleanSort()
def test_get_integer_sort(solver):
solver.getIntegerSort()
def test_get_real_sort(solver):
solver.getRealSort()
def test_get_reg_exp_sort(solver):
solver.getRegExpSort()
def test_get_string_sort(solver):
solver.getStringSort()
def test_get_rounding_mode_sort(solver):
solver.getRoundingModeSort()
def test_mk_array_sort(solver):
boolSort = solver.getBooleanSort()
intSort = solver.getIntegerSort()
realSort = solver.getRealSort()
bvSort = solver.mkBitVectorSort(32)
solver.mkArraySort(boolSort, boolSort)
solver.mkArraySort(intSort, intSort)
solver.mkArraySort(realSort, realSort)
solver.mkArraySort(bvSort, bvSort)
solver.mkArraySort(boolSort, intSort)
solver.mkArraySort(realSort, bvSort)
fpSort = solver.mkFloatingPointSort(3, 5)
solver.mkArraySort(fpSort, fpSort)
solver.mkArraySort(bvSort, fpSort)
slv = cvc5.Solver()
slv.mkArraySort(boolSort, boolSort)
def test_mk_bit_vector_sort(solver):
solver.mkBitVectorSort(32)
with pytest.raises(RuntimeError):
solver.mkBitVectorSort(0)
def test_mk_floating_point_sort(solver):
solver.mkFloatingPointSort(4, 8)
with pytest.raises(RuntimeError):
solver.mkFloatingPointSort(0, 8)
with pytest.raises(RuntimeError):
solver.mkFloatingPointSort(4, 0)
with pytest.raises(RuntimeError):
solver.mkFloatingPointSort(1, 8)
with pytest.raises(RuntimeError):
solver.mkFloatingPointSort(4, 1)
def test_mk_datatype_sort(solver):
dtypeSpec = solver.mkDatatypeDecl("list")
cons = solver.mkDatatypeConstructorDecl("cons")
cons.addSelector("head", solver.getIntegerSort())
dtypeSpec.addConstructor(cons)
nil = solver.mkDatatypeConstructorDecl("nil")
dtypeSpec.addConstructor(nil)
solver.mkDatatypeSort(dtypeSpec)
with pytest.raises(RuntimeError):
solver.mkDatatypeSort(dtypeSpec)
slv = cvc5.Solver()
with pytest.raises(RuntimeError):
slv.mkDatatypeSort(dtypeSpec)
throwsDtypeSpec = solver.mkDatatypeDecl("list")
with pytest.raises(RuntimeError):
solver.mkDatatypeSort(throwsDtypeSpec)
def test_mk_datatype_sorts(solver):
slv = cvc5.Solver()
dtypeSpec1 = solver.mkDatatypeDecl("list1")
cons1 = solver.mkDatatypeConstructorDecl("cons1")
cons1.addSelector("head1", solver.getIntegerSort())
dtypeSpec1.addConstructor(cons1)
nil1 = solver.mkDatatypeConstructorDecl("nil1")
dtypeSpec1.addConstructor(nil1)
dtypeSpec2 = solver.mkDatatypeDecl("list2")
cons2 = solver.mkDatatypeConstructorDecl("cons2")
cons2.addSelector("head2", solver.getIntegerSort())
dtypeSpec2.addConstructor(cons2)
nil2 = solver.mkDatatypeConstructorDecl("nil2")
dtypeSpec2.addConstructor(nil2)
decls = [dtypeSpec1, dtypeSpec2]
solver.mkDatatypeSorts(decls)
with pytest.raises(RuntimeError):
solver.mkDatatypeSorts(decls)
with pytest.raises(RuntimeError):
slv.mkDatatypeSorts(decls)
throwsDtypeSpec = solver.mkDatatypeDecl("list")
throwsDecls = [throwsDtypeSpec]
with pytest.raises(RuntimeError):
solver.mkDatatypeSorts(throwsDecls)
# with unresolved sorts
unresList = solver.mkUnresolvedDatatypeSort("ulist")
ulist = solver.mkDatatypeDecl("ulist")
ucons = solver.mkDatatypeConstructorDecl("ucons")
ucons.addSelector("car", unresList)
ucons.addSelector("cdr", unresList)
ulist.addConstructor(ucons)
unil = solver.mkDatatypeConstructorDecl("unil")
ulist.addConstructor(unil)
udecls = [ulist]
solver.mkDatatypeSorts(udecls)
with pytest.raises(RuntimeError):
solver.mkDatatypeSorts(udecls)
with pytest.raises(RuntimeError):
slv.mkDatatypeSorts(udecls)
# mutually recursive with unresolved parameterized sorts
p0 = solver.mkParamSort("p0")
p1 = solver.mkParamSort("p1")
u0 = solver.mkUnresolvedDatatypeSort("dt0", 1)
u1 = solver.mkUnresolvedDatatypeSort("dt1", 1)
dtdecl0 = solver.mkDatatypeDecl("dt0", [p0])
dtdecl1 = solver.mkDatatypeDecl("dt1", [p1])
ctordecl0 = solver.mkDatatypeConstructorDecl("c0")
ctordecl0.addSelector("s0", u1.instantiate([p0]))
ctordecl1 = solver.mkDatatypeConstructorDecl("c1")
ctordecl1.addSelector("s1", u0.instantiate([p1]))
dtdecl0.addConstructor(ctordecl0)
dtdecl1.addConstructor(ctordecl1)
dtdecl1.addConstructor(solver.mkDatatypeConstructorDecl("nil"))
dt_sorts = solver.mkDatatypeSorts([dtdecl0, dtdecl1])
isort1 = dt_sorts[1].instantiate([solver.getBooleanSort()])
t1 = solver.mkConst(isort1, "t")
t0 = solver.mkTerm(
Kind.APPLY_SELECTOR,
t1.getSort().getDatatype().getSelector("s1").getTerm(),
t1)
assert dt_sorts[0].instantiate([solver.getBooleanSort()]) == t0.getSort()
def test_mk_function_sort(solver):
funSort = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
# function arguments are allowed
solver.mkFunctionSort(funSort, solver.getIntegerSort())
# non-first-class arguments are not allowed
reSort = solver.getRegExpSort()
with pytest.raises(RuntimeError):
solver.mkFunctionSort(reSort, solver.getIntegerSort())
with pytest.raises(RuntimeError):
solver.mkFunctionSort(solver.getIntegerSort(), funSort)
solver.mkFunctionSort([solver.mkUninterpretedSort("u"),\
solver.getIntegerSort()],\
solver.getIntegerSort())
funSort2 = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
# function arguments are allowed
solver.mkFunctionSort([funSort2, solver.mkUninterpretedSort("u")],\
solver.getIntegerSort())
with pytest.raises(RuntimeError):
solver.mkFunctionSort([solver.getIntegerSort(),\
solver.mkUninterpretedSort("u")],\
funSort2)
slv = cvc5.Solver()
slv.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
slv.mkFunctionSort(slv.mkUninterpretedSort("u"),\
solver.getIntegerSort())
sorts1 = [solver.getBooleanSort(),\
slv.getIntegerSort(),\
solver.getIntegerSort()]
sorts2 = [slv.getBooleanSort(), slv.getIntegerSort()]
slv.mkFunctionSort(sorts2, slv.getIntegerSort())
slv.mkFunctionSort(sorts1, slv.getIntegerSort())
slv.mkFunctionSort(sorts2, solver.getIntegerSort())
def test_mk_param_sort(solver):
solver.mkParamSort("T")
solver.mkParamSort("")
def test_mk_predicate_sort(solver):
solver.mkPredicateSort(solver.getIntegerSort())
with pytest.raises(RuntimeError):
solver.mkPredicateSort()
funSort = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
# functions as arguments are allowed
solver.mkPredicateSort(solver.getIntegerSort(), funSort)
slv = cvc5.Solver()
slv.mkPredicateSort(solver.getIntegerSort())
def test_mk_record_sort(solver):
fields = [("b", solver.getBooleanSort()),\
("bv", solver.mkBitVectorSort(8)),\
("i", solver.getIntegerSort())]
solver.mkRecordSort(*fields)
solver.mkRecordSort()
recSort = solver.mkRecordSort(*fields)
recSort.getDatatype()
def test_mk_set_sort(solver):
solver.mkSetSort(solver.getBooleanSort())
solver.mkSetSort(solver.getIntegerSort())
solver.mkSetSort(solver.mkBitVectorSort(4))
slv = cvc5.Solver()
slv.mkSetSort(solver.mkBitVectorSort(4))
def test_mk_bag_sort(solver):
solver.mkBagSort(solver.getBooleanSort())
solver.mkBagSort(solver.getIntegerSort())
solver.mkBagSort(solver.mkBitVectorSort(4))
slv = cvc5.Solver()
slv.mkBagSort(solver.mkBitVectorSort(4))
def test_mk_sequence_sort(solver):
solver.mkSequenceSort(solver.getBooleanSort())
solver.mkSequenceSort(\
solver.mkSequenceSort(solver.getIntegerSort()))
slv = cvc5.Solver()
slv.mkSequenceSort(solver.getIntegerSort())
def test_mk_abstract_sort(solver):
solver.mkAbstractSort(SortKind.ARRAY_SORT)
solver.mkAbstractSort(SortKind.BITVECTOR_SORT)
solver.mkAbstractSort(SortKind.TUPLE_SORT)
solver.mkAbstractSort(SortKind.SET_SORT)
with pytest.raises(RuntimeError):
solver.mkAbstractSort(SortKind.BOOLEAN_SORT)
def test_mk_uninterpreted_sort(solver):
solver.mkUninterpretedSort("u")
solver.mkUninterpretedSort("")
def test_mk_unresolved_sort(solver):
solver.mkUnresolvedDatatypeSort("u")
solver.mkUnresolvedDatatypeSort("u", 1)
solver.mkUnresolvedDatatypeSort("")
solver.mkUnresolvedDatatypeSort("", 1)
def test_mk_sort_constructor_sort(solver):
solver.mkUninterpretedSortConstructorSort(2, "s")
solver.mkUninterpretedSortConstructorSort(2)
with pytest.raises(RuntimeError):
solver.mkUninterpretedSortConstructorSort(0)
def test_mk_tuple_sort(solver):
solver.mkTupleSort(solver.getIntegerSort())
funSort = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
solver.mkTupleSort(solver.getIntegerSort(), funSort)
slv = cvc5.Solver()
slv.mkTupleSort(solver.getIntegerSort())
def test_mk_bit_vector(solver):
solver.mkBitVector(8, 2)
solver.mkBitVector(32, 2)
solver.mkBitVector(4, "1010", 2)
solver.mkBitVector(8, "0101", 2)
solver.mkBitVector(8, "-1111111", 2)
solver.mkBitVector(8, "00000101", 2)
solver.mkBitVector(8, "-127", 10)
solver.mkBitVector(8, "255", 10)
solver.mkBitVector(10, "1010", 10)
solver.mkBitVector(11, "1234", 10)
solver.mkBitVector(8, "-7f", 16)
solver.mkBitVector(8, "a0", 16)
solver.mkBitVector(16, "1010", 16)
solver.mkBitVector(16, "a09f", 16)
with pytest.raises(RuntimeError):
solver.mkBitVector(0, 2)
with pytest.raises(RuntimeError):
solver.mkBitVector(0, "-127", 10)
with pytest.raises(RuntimeError):
solver.mkBitVector(0, "a0", 16)
with pytest.raises(RuntimeError):
solver.mkBitVector(2, "", 2)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "101", 5)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "127", 11)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "a0", 21)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "101010101", 2)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "-11111111", 2)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "-256", 10)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "257", 10)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "-a0", 16)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "fffff", 16)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "10201010", 2)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "-25x", 10)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "2x7", 10)
with pytest.raises(RuntimeError):
solver.mkBitVector(8, "fzff", 16)
assert solver.mkBitVector(8, "0101",
2) == solver.mkBitVector(8, "00000101", 2)
assert solver.mkBitVector(4, "1010", 2) == solver.mkBitVector(4, "10", 10)
assert solver.mkBitVector(4, "1010", 2) == solver.mkBitVector(4, "a", 16)
assert str(solver.mkBitVector(8, "01010101", 2)) == "#b01010101"
assert str(solver.mkBitVector(8, "F", 16)) == "#b00001111"
assert solver.mkBitVector(8, "-1", 10) ==\
solver.mkBitVector(8, "FF", 16)
def test_mk_var(solver):
boolSort = solver.getBooleanSort()
intSort = solver.getIntegerSort()
funSort = solver.mkFunctionSort(intSort, boolSort)
solver.mkVar(boolSort)
solver.mkVar(funSort)
solver.mkVar(boolSort, "b")
solver.mkVar(funSort, "")
with pytest.raises(RuntimeError):
solver.mkVar(cvc5.Sort(solver))
with pytest.raises(RuntimeError):
solver.mkVar(cvc5.Sort(solver), "a")
slv = cvc5.Solver()
slv.mkVar(boolSort, "x")
def test_mk_boolean(solver):
solver.mkBoolean(True)
solver.mkBoolean(False)
def test_mk_rounding_mode(solver):
assert str(solver.mkRoundingMode(
RoundingMode.ROUND_NEAREST_TIES_TO_EVEN)) == "roundNearestTiesToEven"
assert str(solver.mkRoundingMode(
RoundingMode.ROUND_TOWARD_POSITIVE)) == "roundTowardPositive"
assert str(solver.mkRoundingMode(
RoundingMode.ROUND_TOWARD_NEGATIVE)) == "roundTowardNegative"
assert str(solver.mkRoundingMode(
RoundingMode.ROUND_TOWARD_ZERO)) == "roundTowardZero"
assert str(solver.mkRoundingMode(
RoundingMode.ROUND_NEAREST_TIES_TO_AWAY)) == "roundNearestTiesToAway"
def test_mk_floating_point(solver):
t1 = solver.mkBitVector(8)
t2 = solver.mkBitVector(4)
t3 = solver.mkInteger(2)
solver.mkFloatingPoint(3, 5, t1)
with pytest.raises(RuntimeError):
solver.mkFloatingPoint(0, 5, cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkFloatingPoint(0, 5, t1)
with pytest.raises(RuntimeError):
solver.mkFloatingPoint(3, 0, t1)
with pytest.raises(RuntimeError):
solver.mkFloatingPoint(3, 5, t2)
with pytest.raises(RuntimeError):
solver.mkFloatingPoint(3, 5, t2)
slv = cvc5.Solver()
slv.mkFloatingPoint(3, 5, t1)
def test_mk_cardinality_constraint(solver):
su = solver.mkUninterpretedSort("u")
si = solver.getIntegerSort()
solver.mkCardinalityConstraint(su, 3)
with pytest.raises(RuntimeError):
solver.mkEmptySet(solver.mkCardinalityConstraint(si, 3))
with pytest.raises(RuntimeError):
solver.mkEmptySet(solver.mkCardinalityConstraint(su, 0))
slv = cvc5.Solver()
slv.mkCardinalityConstraint(su, 3)
def test_mk_empty_set(solver):
slv = cvc5.Solver()
s = solver.mkSetSort(solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.mkEmptySet(cvc5.Sort(solver))
solver.mkEmptySet(s)
with pytest.raises(RuntimeError):
solver.mkEmptySet(solver.getBooleanSort())
slv.mkEmptySet(s)
def test_mk_empty_bag(solver):
slv = cvc5.Solver()
s = solver.mkBagSort(solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.mkEmptyBag(cvc5.Sort(solver))
solver.mkEmptyBag(s)
with pytest.raises(RuntimeError):
solver.mkEmptyBag(solver.getBooleanSort())
slv.mkEmptyBag(s)
def test_mk_empty_sequence(solver):
slv = cvc5.Solver()
s = solver.mkSequenceSort(solver.getBooleanSort())
solver.mkEmptySequence(s)
solver.mkEmptySequence(solver.getBooleanSort())
slv.mkEmptySequence(s)
def test_mk_false(solver):
solver.mkFalse()
solver.mkFalse()
def test_mk_floating_point_nan(solver):
solver.mkFloatingPointNaN(3, 5)
def test_mk_floating_point_neg_zero(solver):
solver.mkFloatingPointNegZero(3, 5)
def test_mk_floating_point_neg_inf(solver):
solver.mkFloatingPointNegInf(3, 5)
def test_mk_floating_point_pos_inf(solver):
solver.mkFloatingPointPosInf(3, 5)
def test_mk_floating_point_pos_zero(solver):
solver.mkFloatingPointPosZero(3, 5)
def test_mk_op(solver):
with pytest.raises(ValueError):
solver.mkOp(Kind.BITVECTOR_EXTRACT, Kind.EQUAL)
solver.mkOp(Kind.DIVISIBLE, "2147483648")
with pytest.raises(RuntimeError):
solver.mkOp(Kind.BITVECTOR_EXTRACT, "asdf")
solver.mkOp(Kind.DIVISIBLE, 1)
solver.mkOp(Kind.BITVECTOR_ROTATE_LEFT, 1)
solver.mkOp(Kind.BITVECTOR_ROTATE_RIGHT, 1)
with pytest.raises(RuntimeError):
solver.mkOp(Kind.BITVECTOR_EXTRACT, 1)
solver.mkOp(Kind.BITVECTOR_EXTRACT, 1, 1)
with pytest.raises(RuntimeError):
solver.mkOp(Kind.DIVISIBLE, 1, 2)
args = [1, 2, 2]
solver.mkOp(Kind.TUPLE_PROJECT, *args)
def test_mk_pi(solver):
solver.mkPi()
def test_mk_integer(solver):
solver.mkInteger("123")
with pytest.raises(RuntimeError):
solver.mkInteger("1.23")
with pytest.raises(RuntimeError):
solver.mkInteger("1/23")
with pytest.raises(RuntimeError):
solver.mkInteger("12/3")
with pytest.raises(RuntimeError):
solver.mkInteger(".2")
with pytest.raises(RuntimeError):
solver.mkInteger("2.")
with pytest.raises(RuntimeError):
solver.mkInteger("")
with pytest.raises(RuntimeError):
solver.mkInteger("asdf")
with pytest.raises(RuntimeError):
solver.mkInteger("1.2/3")
with pytest.raises(RuntimeError):
solver.mkInteger(".")
with pytest.raises(RuntimeError):
solver.mkInteger("/")
with pytest.raises(RuntimeError):
solver.mkInteger("2/")
with pytest.raises(RuntimeError):
solver.mkInteger("/2")
solver.mkReal("123")
with pytest.raises(RuntimeError):
solver.mkInteger("1.23")
with pytest.raises(RuntimeError):
solver.mkInteger("1/23")
with pytest.raises(RuntimeError):
solver.mkInteger("12/3")
with pytest.raises(RuntimeError):
solver.mkInteger(".2")
with pytest.raises(RuntimeError):
solver.mkInteger("2.")
with pytest.raises(RuntimeError):
solver.mkInteger("")
with pytest.raises(RuntimeError):
solver.mkInteger("asdf")
with pytest.raises(RuntimeError):
solver.mkInteger("1.2/3")
with pytest.raises(RuntimeError):
solver.mkInteger(".")
with pytest.raises(RuntimeError):
solver.mkInteger("/")
with pytest.raises(RuntimeError):
solver.mkInteger("2/")
with pytest.raises(RuntimeError):
solver.mkInteger("/2")
val1 = 1
val2 = -1
val3 = 1
val4 = -1
solver.mkInteger(val1)
solver.mkInteger(val2)
solver.mkInteger(val3)
solver.mkInteger(val4)
solver.mkInteger(val4)
def test_mk_real(solver):
solver.mkReal("123")
solver.mkReal("1.23")
solver.mkReal("1/23")
solver.mkReal("12/3")
solver.mkReal(".2")
solver.mkReal("2.")
with pytest.raises(RuntimeError):
solver.mkReal("")
with pytest.raises(RuntimeError):
solver.mkReal("asdf")
with pytest.raises(RuntimeError):
solver.mkReal("1.2/3")
with pytest.raises(RuntimeError):
solver.mkReal(".")
with pytest.raises(RuntimeError):
solver.mkReal("/")
with pytest.raises(RuntimeError):
solver.mkReal("2/")
with pytest.raises(RuntimeError):
solver.mkReal("/2")
solver.mkReal("123")
solver.mkReal("1.23")
solver.mkReal("1/23")
solver.mkReal("12/3")
solver.mkReal(".2")
solver.mkReal("2.")
with pytest.raises(RuntimeError):
solver.mkReal("")
with pytest.raises(RuntimeError):
solver.mkReal("asdf")
with pytest.raises(RuntimeError):
solver.mkReal("1.2/3")
with pytest.raises(RuntimeError):
solver.mkReal(".")
with pytest.raises(RuntimeError):
solver.mkReal("/")
with pytest.raises(RuntimeError):
solver.mkReal("2/")
with pytest.raises(RuntimeError):
solver.mkReal("/2")
val1 = 1
val2 = -1
val3 = 1
val4 = -1
solver.mkReal(val1)
solver.mkReal(val2)
solver.mkReal(val3)
solver.mkReal(val4)
solver.mkReal(val4)
solver.mkReal(val1, val1)
solver.mkReal(val2, val2)
solver.mkReal(val3, val3)
solver.mkReal(val4, val4)
solver.mkReal("1", "2")
solver.mkReal("-1", "2")
solver.mkReal(-1, "2")
solver.mkReal("-1", 2)
with pytest.raises(TypeError):
solver.mkReal(1, 2, 3)
with pytest.raises(RuntimeError):
solver.mkReal("1.0", 2)
with pytest.raises(RuntimeError):
solver.mkReal(1, "asdf")
def test_mk_regexp_none(solver):
strSort = solver.getStringSort()
s = solver.mkConst(strSort, "s")
solver.mkTerm(Kind.STRING_IN_REGEXP, s, solver.mkRegexpNone())
def test_mk_regexp_all(solver):
strSort = solver.getStringSort()
s = solver.mkConst(strSort, "s")
solver.mkTerm(Kind.STRING_IN_REGEXP, s, solver.mkRegexpAll())
def test_mk_regexp_allchar(solver):
strSort = solver.getStringSort()
s = solver.mkConst(strSort, "s")
solver.mkTerm(Kind.STRING_IN_REGEXP, s, solver.mkRegexpAllchar())
def test_mk_sep_emp(solver):
solver.mkSepEmp()
def test_mk_sep_nil(solver):
solver.mkSepNil(solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.mkSepNil(cvc5.Sort(solver))
slv = cvc5.Solver()
slv.mkSepNil(solver.getIntegerSort())
def test_mk_string(solver):
solver.mkString("")
solver.mkString("asdfasdf")
str(solver.mkString("asdf\\nasdf")) == "\"asdf\\u{5c}nasdf\""
str(solver.mkString("asdf\\u{005c}nasdf", True)) ==\
"\"asdf\\u{5c}nasdf\""
s = ""
assert solver.mkString(s).getStringValue() == s
def test_mk_term(solver):
bv32 = solver.mkBitVectorSort(32)
a = solver.mkConst(bv32, "a")
b = solver.mkConst(bv32, "b")
slv = cvc5.Solver()
# mkTerm(Kind kind) const
solver.mkPi()
solver.mkTerm(Kind.PI)
solver.mkTerm(solver.mkOp(Kind.PI))
solver.mkTerm(Kind.REGEXP_NONE)
solver.mkTerm(solver.mkOp(Kind.REGEXP_NONE))
solver.mkTerm(Kind.REGEXP_ALLCHAR)
solver.mkTerm(solver.mkOp(Kind.REGEXP_ALLCHAR))
solver.mkTerm(Kind.SEP_EMP)
solver.mkTerm(solver.mkOp(Kind.SEP_EMP))
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.CONST_BITVECTOR)
# mkTerm(Kind kind, Term child) const
solver.mkTerm(Kind.NOT, solver.mkTrue())
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.NOT, cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.NOT, a)
slv.mkTerm(Kind.NOT, solver.mkTrue())
# mkTerm(Kind kind, Term child1, Term child2) const
solver.mkTerm(Kind.EQUAL, a, b)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.EQUAL, cvc5.Term(solver), b)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.EQUAL, a, cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.EQUAL, a, solver.mkTrue())
slv.mkTerm(Kind.EQUAL, a, b)
# mkTerm(Kind kind, Term child1, Term child2, Term child3) const
solver.mkTerm(Kind.ITE, solver.mkTrue(), solver.mkTrue(), solver.mkTrue())
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.ITE, cvc5.Term(solver), solver.mkTrue(),
solver.mkTrue())
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.ITE, solver.mkTrue(), cvc5.Term(solver),
solver.mkTrue())
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.ITE, solver.mkTrue(), solver.mkTrue(),
cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.ITE, solver.mkTrue(), solver.mkTrue(), b)
slv.mkTerm(Kind.ITE, solver.mkTrue(), solver.mkTrue(),
solver.mkTrue())
solver.mkTerm(Kind.EQUAL, a, b)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.EQUAL, a, cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.EQUAL, a, solver.mkTrue())
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.DISTINCT)
# Test cases that are nary via the API but have arity = 2 internally
s_bool = solver.getBooleanSort()
t_bool = solver.mkConst(s_bool, "t_bool")
solver.mkTerm(Kind.IMPLIES, t_bool, t_bool, t_bool)
solver.mkTerm(Kind.XOR, t_bool, t_bool, t_bool)
solver.mkTerm(solver.mkOp(Kind.XOR), t_bool, t_bool, t_bool)
t_int = solver.mkConst(solver.getIntegerSort(), "t_int")
solver.mkTerm(Kind.DIVISION, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.DIVISION), t_int, t_int, t_int)
solver.mkTerm(Kind.INTS_DIVISION, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.INTS_DIVISION), t_int, t_int, t_int)
solver.mkTerm(Kind.SUB, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.SUB), t_int, t_int, t_int)
solver.mkTerm(Kind.EQUAL, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.EQUAL), t_int, t_int, t_int)
solver.mkTerm(Kind.LT, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.LT), t_int, t_int, t_int)
solver.mkTerm(Kind.GT, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.GT), t_int, t_int, t_int)
solver.mkTerm(Kind.LEQ, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.LEQ), t_int, t_int, t_int)
solver.mkTerm(Kind.GEQ, t_int, t_int, t_int)
solver.mkTerm(solver.mkOp(Kind.GEQ), t_int, t_int, t_int)
t_reg = solver.mkConst(solver.getRegExpSort(), "t_reg")
solver.mkTerm(Kind.REGEXP_DIFF, t_reg, t_reg, t_reg)
solver.mkTerm(solver.mkOp(Kind.REGEXP_DIFF), t_reg, t_reg, t_reg)
t_fun = solver.mkConst(solver.mkFunctionSort(
[s_bool, s_bool, s_bool], s_bool))
solver.mkTerm(Kind.HO_APPLY, t_fun, t_bool, t_bool, t_bool)
solver.mkTerm(solver.mkOp(Kind.HO_APPLY), t_fun, t_bool, t_bool, t_bool)
def test_mk_term_from_op(solver):
bv32 = solver.mkBitVectorSort(32)
a = solver.mkConst(bv32, "a")
b = solver.mkConst(bv32, "b")
slv = cvc5.Solver()
# simple operator terms
opterm1 = solver.mkOp(Kind.BITVECTOR_EXTRACT, 2, 1)
opterm2 = solver.mkOp(Kind.DIVISIBLE, 1)
# list datatype
sort = solver.mkParamSort("T")
listDecl = solver.mkDatatypeDecl("paramlist", [sort])
cons = solver.mkDatatypeConstructorDecl("cons")
nil = solver.mkDatatypeConstructorDecl("nil")
cons.addSelector("head", sort)
cons.addSelectorSelf("tail")
listDecl.addConstructor(cons)
listDecl.addConstructor(nil)
listSort = solver.mkDatatypeSort(listDecl)
intListSort =\
listSort.instantiate([solver.getIntegerSort()])
c = solver.mkConst(intListSort, "c")
lis = listSort.getDatatype()
# list datatype constructor and selector operator terms
consTerm = lis.getConstructor("cons").getTerm()
nilTerm = lis.getConstructor("nil").getTerm()
headTerm = lis["cons"].getSelector("head").getTerm()
tailTerm = lis["cons"]["tail"].getTerm()
# mkTerm(Op op, Term term) const
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, nilTerm)
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, nilTerm)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.APPLY_SELECTOR, nilTerm)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.APPLY_SELECTOR, consTerm)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, consTerm)
with pytest.raises(RuntimeError):
solver.mkTerm(opterm1)
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.APPLY_SELECTOR, headTerm)
with pytest.raises(RuntimeError):
solver.mkTerm(opterm1)
slv.mkTerm(Kind.APPLY_CONSTRUCTOR, nilTerm)
# mkTerm(Op op, Term child) const
solver.mkTerm(opterm1, a)
solver.mkTerm(opterm2, solver.mkInteger(1))
solver.mkTerm(Kind.APPLY_SELECTOR, headTerm, c)
solver.mkTerm(Kind.APPLY_SELECTOR, tailTerm, c)
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, a)
with pytest.raises(RuntimeError):
solver.mkTerm(opterm1, cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, consTerm, solver.mkInteger(0))
slv.mkTerm(opterm1, a)
# mkTerm(Op op, Term child1, Term child2) const
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, consTerm, solver.mkInteger(0),
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, nilTerm))
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, solver.mkInteger(1), solver.mkInteger(2))
with pytest.raises(RuntimeError):
solver.mkTerm(opterm1, a, b)
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, solver.mkInteger(1), cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, cvc5.Term(solver), solver.mkInteger(1))
slv.mkTerm(Kind.APPLY_CONSTRUCTOR,\
consTerm,\
solver.mkInteger(0),\
solver.mkTerm(Kind.APPLY_CONSTRUCTOR, nilTerm))
# mkTerm(Op op, Term child1, Term child2, Term child3) const
with pytest.raises(RuntimeError):
solver.mkTerm(opterm1, a, b, a)
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, solver.mkInteger(1), solver.mkInteger(1),
cvc5.Term(solver))
solver.mkTerm(opterm2, solver.mkInteger(5))
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, solver.mkInteger(1), solver.mkInteger(2))
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2, solver.mkInteger(1), cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkTerm(opterm2)
slv.mkTerm(opterm2, solver.mkInteger(5))
def test_mk_true(solver):
solver.mkTrue()
solver.mkTrue()
def test_mk_tuple(solver):
solver.mkTuple([solver.mkBitVectorSort(3)],
[solver.mkBitVector(3, "101", 2)])
with pytest.raises(RuntimeError):
solver.mkTuple([solver.getRealSort()], [solver.mkInteger("5")])
with pytest.raises(RuntimeError):
solver.mkTuple([], [solver.mkBitVector(3, "101", 2)])
with pytest.raises(RuntimeError):
solver.mkTuple([solver.mkBitVectorSort(4)],
[solver.mkBitVector(3, "101", 2)])
with pytest.raises(RuntimeError):
solver.mkTuple([solver.getIntegerSort()], [solver.mkReal("5.3")])
slv = cvc5.Solver()
slv.mkTuple([solver.mkBitVectorSort(3)],
[slv.mkBitVector(3, "101", 2)])
slv.mkTuple([slv.mkBitVectorSort(3)],
[solver.mkBitVector(3, "101", 2)])
def test_mk_universe_set(solver):
solver.mkUniverseSet(solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.mkUniverseSet(cvc5.Sort(solver))
slv = cvc5.Solver()
slv.mkUniverseSet(solver.getBooleanSort())
def test_mk_const(solver):
boolSort = solver.getBooleanSort()
intSort = solver.getIntegerSort()
funSort = solver.mkFunctionSort(intSort, boolSort)
solver.mkConst(boolSort)
solver.mkConst(funSort)
solver.mkConst(boolSort, "b")
solver.mkConst(intSort, "i")
solver.mkConst(funSort, "f")
solver.mkConst(funSort, "")
with pytest.raises(RuntimeError):
solver.mkConst(cvc5.Sort(solver))
with pytest.raises(RuntimeError):
solver.mkConst(cvc5.Sort(solver), "a")
slv = cvc5.Solver()
slv.mkConst(boolSort)
def test_mk_const_array(solver):
intSort = solver.getIntegerSort()
arrSort = solver.mkArraySort(intSort, intSort)
zero = solver.mkInteger(0)
constArr = solver.mkConstArray(arrSort, zero)
solver.mkConstArray(arrSort, zero)
with pytest.raises(RuntimeError):
solver.mkConstArray(cvc5.Sort(solver), zero)
with pytest.raises(RuntimeError):
solver.mkConstArray(arrSort, cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.mkConstArray(arrSort, solver.mkBitVector(1, 1))
with pytest.raises(RuntimeError):
solver.mkConstArray(intSort, zero)
slv = cvc5.Solver()
zero2 = slv.mkInteger(0)
arrSort2 = slv.mkArraySort(slv.getIntegerSort(), slv.getIntegerSort())
slv.mkConstArray(arrSort2, zero)
slv.mkConstArray(arrSort, zero2)
def test_declare_fun(solver):
bvSort = solver.mkBitVectorSort(32)
funSort = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
solver.declareFun("f1", [], bvSort)
solver.declareFun("f3", [bvSort, solver.getIntegerSort()], bvSort)
with pytest.raises(RuntimeError):
solver.declareFun("f2", [], funSort)
# functions as arguments is allowed
solver.declareFun("f4", [bvSort, funSort], bvSort)
with pytest.raises(RuntimeError):
solver.declareFun("f5", [bvSort, bvSort], funSort)
slv = cvc5.Solver()
slv.declareFun("f1", [], bvSort)
def test_declare_sort(solver):
solver.declareSort("s", 0)
solver.declareSort("s", 2)
solver.declareSort("", 2)
def test_define_fun(solver):
bvSort = solver.mkBitVectorSort(32)
funSort = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),
solver.getIntegerSort())
b1 = solver.mkVar(bvSort, "b1")
b2 = solver.mkVar(solver.getIntegerSort(), "b2")
b3 = solver.mkVar(funSort, "b3")
v1 = solver.mkConst(bvSort, "v1")
v2 = solver.mkConst(funSort, "v2")
solver.defineFun("f", [], bvSort, v1)
solver.defineFun("ff", [b1, b2], bvSort, v1)
with pytest.raises(RuntimeError):
solver.defineFun("ff", [v1, b2], bvSort, v1)
with pytest.raises(RuntimeError):
solver.defineFun("fff", [b1], bvSort, v2)
with pytest.raises(RuntimeError):
solver.defineFun("ffff", [b1], funSort, v2)
# b3 has function sort, which is allowed as an argument
solver.defineFun("fffff", [b1, b3], bvSort, v1)
slv = cvc5.Solver()
bvSort2 = slv.mkBitVectorSort(32)
v12 = slv.mkConst(bvSort2, "v1")
b12 = slv.mkVar(bvSort2, "b1")
b22 = slv.mkVar(slv.getIntegerSort(), "b2")
slv.defineFun("f", [], bvSort, v12)
slv.defineFun("f", [], bvSort2, v1)
slv.defineFun("ff", [b1, b22], bvSort2, v12)
slv.defineFun("ff", [b12, b2], bvSort2, v12)
slv.defineFun("ff", [b12, b22], bvSort, v12)
slv.defineFun("ff", [b12, b22], bvSort2, v1)
def test_define_fun_global(solver):
bSort = solver.getBooleanSort()
bTrue = solver.mkBoolean(True)
# (define-fun f () Bool true)
f = solver.defineFun("f", [], bSort, bTrue, True)
b = solver.mkVar(bSort, "b")
# (define-fun g (b Bool) Bool b)
g = solver.defineFun("g", [b], bSort, b, True)
# (assert (or (not f) (not (g true))))
solver.assertFormula(
solver.mkTerm(Kind.OR, f.notTerm(),
solver.mkTerm(Kind.APPLY_UF, g, bTrue).notTerm()))
assert solver.checkSat().isUnsat()
solver.resetAssertions()
# (assert (or (not f) (not (g true))))
solver.assertFormula(
solver.mkTerm(Kind.OR, f.notTerm(),
solver.mkTerm(Kind.APPLY_UF, g, bTrue).notTerm()))
assert solver.checkSat().isUnsat()
def test_define_fun_rec(solver):
bvSort = solver.mkBitVectorSort(32)
funSort1 = solver.mkFunctionSort([bvSort, bvSort], bvSort)
funSort2 = solver.mkFunctionSort(solver.mkUninterpretedSort("u"),\
solver.getIntegerSort())
b1 = solver.mkVar(bvSort, "b1")
b11 = solver.mkVar(bvSort, "b1")
b2 = solver.mkVar(solver.getIntegerSort(), "b2")
b3 = solver.mkVar(funSort2, "b3")
v1 = solver.mkConst(bvSort, "v1")
v2 = solver.mkConst(solver.getIntegerSort(), "v2")
v3 = solver.mkConst(funSort2, "v3")
f1 = solver.mkConst(funSort1, "f1")
f2 = solver.mkConst(funSort2, "f2")
f3 = solver.mkConst(bvSort, "f3")
solver.defineFunRec("f", [], bvSort, v1)
solver.defineFunRec("ff", [b1, b2], bvSort, v1)
solver.defineFunRec(f1, [b1, b11], v1)
with pytest.raises(RuntimeError):
solver.defineFunRec("fff", [b1], bvSort, v3)
with pytest.raises(RuntimeError):
solver.defineFunRec("ff", [b1, v2], bvSort, v1)
with pytest.raises(RuntimeError):
solver.defineFunRec("ffff", [b1], funSort2, v3)
# b3 has function sort, which is allowed as an argument
solver.defineFunRec("fffff", [b1, b3], bvSort, v1)
with pytest.raises(RuntimeError):
solver.defineFunRec(f1, [b1], v1)
with pytest.raises(RuntimeError):
solver.defineFunRec(f1, [b1, b11], v2)
with pytest.raises(RuntimeError):
solver.defineFunRec(f1, [b1, b11], v3)
with pytest.raises(RuntimeError):
solver.defineFunRec(f2, [b1], v2)
with pytest.raises(RuntimeError):
solver.defineFunRec(f3, [b1], v1)
slv = cvc5.Solver()
bvSort2 = slv.mkBitVectorSort(32)
v12 = slv.mkConst(bvSort2, "v1")
b12 = slv.mkVar(bvSort2, "b1")
b22 = slv.mkVar(slv.getIntegerSort(), "b2")
slv.defineFunRec("f", [], bvSort2, v12)
slv.defineFunRec("ff", [b12, b22], bvSort2, v12)
slv.defineFunRec("f", [], bvSort, v12)
slv.defineFunRec("f", [], bvSort2, v1)
slv.defineFunRec("ff", [b1, b22], bvSort2, v12)
slv.defineFunRec("ff", [b12, b2], bvSort2, v12)
slv.defineFunRec("ff", [b12, b22], bvSort, v12)
slv.defineFunRec("ff", [b12, b22], bvSort2, v1)
def test_define_fun_rec_wrong_logic(solver):
solver.setLogic("QF_BV")
bvSort = solver.mkBitVectorSort(32)
funSort = solver.mkFunctionSort([bvSort, bvSort], bvSort)
b = solver.mkVar(bvSort, "b")
v = solver.mkConst(bvSort, "v")
f = solver.mkConst(funSort, "f")
with pytest.raises(RuntimeError):
solver.defineFunRec("f", [], bvSort, v)
with pytest.raises(RuntimeError):
solver.defineFunRec(f, [b, b], v)
def test_define_fun_rec_global(solver):
bSort = solver.getBooleanSort()
fSort = solver.mkFunctionSort([bSort], bSort)
solver.push()
bTrue = solver.mkBoolean(True)
# (define-fun f () Bool true)
f = solver.defineFunRec("f", [], bSort, bTrue, True)
b = solver.mkVar(bSort, "b")
gSym = solver.mkConst(fSort, "g")
# (define-fun g (b Bool) Bool b)
g = solver.defineFunRec(gSym, [b], b, glbl=True)
# (assert (or (not f) (not (g true))))
solver.assertFormula(solver.mkTerm(
Kind.OR, f.notTerm(), solver.mkTerm(Kind.APPLY_UF, g, bTrue).notTerm()))
assert solver.checkSat().isUnsat()
solver.pop()
# (assert (or (not f) (not (g true))))
solver.assertFormula(solver.mkTerm(
Kind.OR, f.notTerm(), solver.mkTerm(Kind.APPLY_UF, g, bTrue).notTerm()))
assert solver.checkSat().isUnsat()
def test_define_funs_rec(solver):
uSort = solver.mkUninterpretedSort("u")
bvSort = solver.mkBitVectorSort(32)
funSort1 = solver.mkFunctionSort([bvSort, bvSort], bvSort)
funSort2 = solver.mkFunctionSort([uSort], solver.getIntegerSort())
b1 = solver.mkVar(bvSort, "b1")
b11 = solver.mkVar(bvSort, "b1")
b2 = solver.mkVar(solver.getIntegerSort(), "b2")
b3 = solver.mkVar(funSort2, "b3")
b4 = solver.mkVar(uSort, "b4")
v1 = solver.mkConst(bvSort, "v1")
v2 = solver.mkConst(solver.getIntegerSort(), "v2")
v3 = solver.mkConst(funSort2, "v3")
v4 = solver.mkConst(uSort, "v4")
f1 = solver.mkConst(funSort1, "f1")
f2 = solver.mkConst(funSort2, "f2")
f3 = solver.mkConst(bvSort, "f3")
solver.defineFunsRec([f1, f2], [[b1, b11], [b4]], [v1, v2])
with pytest.raises(RuntimeError):
solver.defineFunsRec([f1, f2], [[v1, b11], [b4]], [v1, v2])
with pytest.raises(RuntimeError):
solver.defineFunsRec([f1, f3], [[b1, b11], [b4]], [v1, v2])
with pytest.raises(RuntimeError):
solver.defineFunsRec([f1, f2], [[b1], [b4]], [v1, v2])
with pytest.raises(RuntimeError):
solver.defineFunsRec([f1, f2], [[b1, b2], [b4]], [v1, v2])
with pytest.raises(RuntimeError):
solver.defineFunsRec([f1, f2], [[b1, b11], [b4]], [v1, v4])
slv = cvc5.Solver()
uSort2 = slv.mkUninterpretedSort("u")
bvSort2 = slv.mkBitVectorSort(32)
funSort12 = slv.mkFunctionSort([bvSort2, bvSort2], bvSort2)
funSort22 = slv.mkFunctionSort([uSort2], slv.getIntegerSort())
b12 = slv.mkVar(bvSort2, "b1")
b112 = slv.mkVar(bvSort2, "b1")
b42 = slv.mkVar(uSort2, "b4")
v12 = slv.mkConst(bvSort2, "v1")
v22 = slv.mkConst(slv.getIntegerSort(), "v2")
f12 = slv.mkConst(funSort12, "f1")
f22 = slv.mkConst(funSort22, "f2")
slv.defineFunsRec([f12, f22], [[b12, b112], [b42]], [v12, v22])
slv.defineFunsRec([f1, f22], [[b12, b112], [b42]], [v12, v22])
slv.defineFunsRec([f12, f22], [[b1, b112], [b42]], [v12, v22])
slv.defineFunsRec([f12, f22], [[b12, b11], [b42]], [v12, v22])
slv.defineFunsRec([f12, f22], [[b12, b112], [b42]], [v1, v22])
slv.defineFunsRec([f12, f22], [[b12, b112], [b42]], [v12, v2])
with pytest.raises(RuntimeError):
slv.defineFunsRec([f12, f2], [[b12, b112], [b42]], [v12, v22])
with pytest.raises(RuntimeError):
slv.defineFunsRec([f12, f22], [[b12, b112], [b4]], [v12, v22])
def test_define_funs_rec_wrong_logic(solver):
solver.setLogic("QF_BV")
uSort = solver.mkUninterpretedSort("u")
bvSort = solver.mkBitVectorSort(32)
funSort1 = solver.mkFunctionSort([bvSort, bvSort], bvSort)
funSort2 = solver.mkFunctionSort([uSort], solver.getIntegerSort())
b = solver.mkVar(bvSort, "b")
u = solver.mkVar(uSort, "u")
v1 = solver.mkConst(bvSort, "v1")
v2 = solver.mkConst(solver.getIntegerSort(), "v2")
f1 = solver.mkConst(funSort1, "f1")
f2 = solver.mkConst(funSort2, "f2")
with pytest.raises(RuntimeError):
solver.defineFunsRec([f1, f2], [[b, b], [u]], [v1, v2])
def test_define_funs_rec_global(solver):
bSort = solver.getBooleanSort()
fSort = solver.mkFunctionSort([bSort], bSort)
solver.push()
bTrue = solver.mkBoolean(True)
b = solver.mkVar(bSort, "b")
gSym = solver.mkConst(fSort, "g")
# (define-funs-rec ((g ((b Bool)) Bool)) (b))
solver.defineFunsRec([gSym], [[b]], [b], True)
# (assert (not (g true)))
solver.assertFormula(solver.mkTerm(Kind.APPLY_UF, gSym, bTrue).notTerm())
assert solver.checkSat().isUnsat()
solver.pop()
# (assert (not (g true)))
solver.assertFormula(solver.mkTerm(Kind.APPLY_UF, gSym, bTrue).notTerm())
assert solver.checkSat().isUnsat()
def test_uf_iteration(solver):
intSort = solver.getIntegerSort()
funSort = solver.mkFunctionSort([intSort, intSort], intSort)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
f = solver.mkConst(funSort, "f")
fxy = solver.mkTerm(Kind.APPLY_UF, f, x, y)
# Expecting the uninterpreted function to be one of the children
expected_children = [f, x, y]
idx = 0
for c in fxy:
assert idx < 3
assert c == expected_children[idx]
idx = idx + 1
def test_get_assertions(solver):
a = solver.mkConst(solver.getBooleanSort(), 'a')
b = solver.mkConst(solver.getBooleanSort(), 'b')
solver.assertFormula(a)
solver.assertFormula(b)
asserts = [a,b]
assert solver.getAssertions() == asserts
def test_get_info(solver):
solver.getInfo("name")
with pytest.raises(RuntimeError):
solver.getInfo("asdf")
def test_get_op(solver):
bv32 = solver.mkBitVectorSort(32)
a = solver.mkConst(bv32, "a")
ext = solver.mkOp(Kind.BITVECTOR_EXTRACT, 2, 1)
exta = solver.mkTerm(ext, a)
assert not a.hasOp()
with pytest.raises(RuntimeError):
a.getOp()
assert exta.hasOp()
assert exta.getOp() == ext
# Test Datatypes -- more complicated
consListSpec = solver.mkDatatypeDecl("list")
cons = solver.mkDatatypeConstructorDecl("cons")
cons.addSelector("head", solver.getIntegerSort())
cons.addSelectorSelf("tail")
consListSpec.addConstructor(cons)
nil = solver.mkDatatypeConstructorDecl("nil")
consListSpec.addConstructor(nil)
consListSort = solver.mkDatatypeSort(consListSpec)
consList = consListSort.getDatatype()
consTerm = consList.getConstructor("cons").getTerm()
nilTerm = consList.getConstructor("nil").getTerm()
headTerm = consList["cons"].getSelector("head").getTerm()
listnil = solver.mkTerm(Kind.APPLY_CONSTRUCTOR, nilTerm)
listcons1 = solver.mkTerm(Kind.APPLY_CONSTRUCTOR, consTerm,
solver.mkInteger(1), listnil)
listhead = solver.mkTerm(Kind.APPLY_SELECTOR, headTerm, listcons1)
assert listnil.hasOp()
assert listcons1.hasOp()
assert listhead.hasOp()
def test_get_option(solver):
solver.setOption("incremental", "true")
assert solver.getOption("incremental") == "true"
with pytest.raises(RuntimeError):
solver.getOption("asdf")
def test_get_option_names(solver):
opts = solver.getOptionNames()
assert len(opts) > 100
assert "verbose" in opts
assert "foobar" not in opts
def test_get_option_info(solver):
with pytest.raises(RuntimeError):
solver.getOptionInfo("asdf-invalid")
info = solver.getOptionInfo("verbose")
assert info['name'] == "verbose"
assert info['aliases'] == []
assert not info['setByUser']
assert info['type'] is None
info = solver.getOptionInfo("print-success")
assert info['name'] == "print-success"
assert info['aliases'] == []
assert not info['setByUser']
assert info['type'] is bool
assert info['current'] == False
assert info['default'] == False
info = solver.getOptionInfo("verbosity")
assert info['name'] == "verbosity"
assert info['aliases'] == []
assert not info['setByUser']
assert info['type'] is int
assert info['current'] == 0
assert info['default'] == 0
assert info['minimum'] is None and info['maximum'] is None
info = solver.getOptionInfo("rlimit")
assert info['name'] == "rlimit"
assert info['aliases'] == []
assert not info['setByUser']
assert info['type'] is int
assert info['current'] == 0
assert info['default'] == 0
assert info['minimum'] is None and info['maximum'] is None
info = solver.getOptionInfo("random-freq")
assert info['name'] == "random-freq"
assert info['aliases'] == ["random-frequency"]
assert not info['setByUser']
assert info['type'] is float
assert info['current'] == 0.0
assert info['default'] == 0.0
assert info['minimum'] == 0.0 and info['maximum'] == 1.0
info = solver.getOptionInfo("force-logic")
assert info['name'] == "force-logic"
assert info['aliases'] == []
assert not info['setByUser']
assert info['type'] is str
assert info['current'] == ""
assert info['default'] == ""
info = solver.getOptionInfo("simplification")
assert info['name'] == "simplification"
assert info['aliases'] == ["simplification-mode"]
assert not info['setByUser']
assert info['type'] == 'mode'
assert info['current'] == 'batch'
assert info['default'] == 'batch'
assert info['modes'] == ['batch', 'none']
def test_get_unsat_assumptions1(solver):
solver.setOption("incremental", "false")
solver.checkSatAssuming(solver.mkFalse())
with pytest.raises(RuntimeError):
solver.getUnsatAssumptions()
def test_get_unsat_assumptions2(solver):
solver.setOption("incremental", "true")
solver.setOption("produce-unsat-assumptions", "false")
solver.checkSatAssuming(solver.mkFalse())
with pytest.raises(RuntimeError):
solver.getUnsatAssumptions()
def test_get_unsat_assumptions3(solver):
solver.setOption("incremental", "true")
solver.setOption("produce-unsat-assumptions", "true")
solver.checkSatAssuming(solver.mkFalse())
solver.getUnsatAssumptions()
solver.checkSatAssuming(solver.mkTrue())
with pytest.raises(RuntimeError):
solver.getUnsatAssumptions()
def test_get_unsat_core1(solver):
solver.setOption("incremental", "false")
solver.assertFormula(solver.mkFalse())
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getUnsatCore()
def test_get_unsat_core2(solver):
solver.setOption("incremental", "false")
solver.setOption("produce-unsat-cores", "false")
solver.assertFormula(solver.mkFalse())
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getUnsatCore()
def test_get_unsat_core_and_proof(solver):
solver.setOption("incremental", "true")
solver.setOption("produce-unsat-cores", "true")
solver.setOption("produce-proofs", "true");
uSort = solver.mkUninterpretedSort("u")
intSort = solver.getIntegerSort()
boolSort = solver.getBooleanSort()
uToIntSort = solver.mkFunctionSort(uSort, intSort)
intPredSort = solver.mkFunctionSort(intSort, boolSort)
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
f = solver.mkConst(uToIntSort, "f")
p = solver.mkConst(intPredSort, "p")
zero = solver.mkInteger(0)
one = solver.mkInteger(1)
f_x = solver.mkTerm(Kind.APPLY_UF, f, x)
f_y = solver.mkTerm(Kind.APPLY_UF, f, y)
summ = solver.mkTerm(Kind.ADD, f_x, f_y)
p_0 = solver.mkTerm(Kind.APPLY_UF, p, zero)
p_f_y = solver.mkTerm(Kind.APPLY_UF, p, f_y)
solver.assertFormula(solver.mkTerm(Kind.GT, zero, f_x))
solver.assertFormula(solver.mkTerm(Kind.GT, zero, f_y))
solver.assertFormula(solver.mkTerm(Kind.GT, summ, one))
solver.assertFormula(p_0)
solver.assertFormula(p_f_y.notTerm())
assert solver.checkSat().isUnsat()
unsat_core = solver.getUnsatCore()
solver.getProof()
solver.getProof(ProofComponent.PROOF_COMPONENT_SAT)
solver.resetAssertions()
for t in unsat_core:
solver.assertFormula(t)
res = solver.checkSat()
assert res.isUnsat()
solver.getProof()
def test_learned_literals(solver):
solver.setOption("produce-learned-literals", "true")
with pytest.raises(RuntimeError):
solver.getLearnedLiterals()
solver.checkSat()
solver.getLearnedLiterals()
solver.getLearnedLiterals(LearnedLitType.LEARNED_LIT_PREPROCESS)
def test_learned_literals2(solver):
solver.setOption("produce-learned-literals", "true")
intSort = solver.getIntegerSort()
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
zero = solver.mkInteger(0)
ten = solver.mkInteger(10)
f0 = solver.mkTerm(Kind.GEQ, x, ten)
f1 = solver.mkTerm(
Kind.OR,
solver.mkTerm(Kind.GEQ, zero, x),
solver.mkTerm(Kind.GEQ, y, zero))
solver.assertFormula(f0)
solver.assertFormula(f1)
solver.checkSat()
solver.getLearnedLiterals(LearnedLitType.LEARNED_LIT_INPUT)
def test_get_value1(solver):
solver.setOption("produce-models", "false")
t = solver.mkTrue()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValue(t)
def test_get_value2(solver):
solver.setOption("produce-models", "true")
t = solver.mkFalse()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValue(t)
def test_get_value3(solver):
solver.setOption("produce-models", "true")
uSort = solver.mkUninterpretedSort("u")
intSort = solver.getIntegerSort()
boolSort = solver.getBooleanSort()
uToIntSort = solver.mkFunctionSort(uSort, intSort)
intPredSort = solver.mkFunctionSort(intSort, boolSort)
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
z = solver.mkConst(uSort, "z")
f = solver.mkConst(uToIntSort, "f")
p = solver.mkConst(intPredSort, "p")
zero = solver.mkInteger(0)
one = solver.mkInteger(1)
f_x = solver.mkTerm(Kind.APPLY_UF, f, x)
f_y = solver.mkTerm(Kind.APPLY_UF, f, y)
summ = solver.mkTerm(Kind.ADD, f_x, f_y)
p_0 = solver.mkTerm(Kind.APPLY_UF, p, zero)
p_f_y = solver.mkTerm(Kind.APPLY_UF, p, f_y)
solver.assertFormula(solver.mkTerm(Kind.LEQ, zero, f_x))
solver.assertFormula(solver.mkTerm(Kind.LEQ, zero, f_y))
solver.assertFormula(solver.mkTerm(Kind.LEQ, summ, one))
solver.assertFormula(p_0.notTerm())
solver.assertFormula(p_f_y)
assert solver.checkSat().isSat()
solver.getValue(x)
solver.getValue(y)
solver.getValue(z)
solver.getValue(summ)
solver.getValue(p_f_y)
a = [solver.getValue(x), solver.getValue(y), solver.getValue(z)]
b = solver.getValue([x,y,z])
assert a == b
slv = cvc5.Solver()
with pytest.raises(RuntimeError):
slv.getValue(x)
def test_declare_sep_heap(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
integer = solver.getIntegerSort()
solver.declareSepHeap(integer, integer)
# cannot declare separation logic heap more than once
with pytest.raises(RuntimeError):
solver.declareSepHeap(integer, integer)
# Helper function for test_get_separation_{heap,nil}_termX. Asserts and checks
# some simple separation logic constraints.
def checkSimpleSeparationConstraints(slv):
integer = slv.getIntegerSort()
# declare the separation heap
slv.declareSepHeap(integer, integer)
x = slv.mkConst(integer, "x")
p = slv.mkConst(integer, "p")
heap = slv.mkTerm(Kind.SEP_PTO, p, x)
slv.assertFormula(heap)
nil = slv.mkSepNil(integer)
slv.assertFormula(nil.eqTerm(slv.mkInteger(5)))
slv.checkSat()
def test_get_value_sep_heap_1(solver):
solver.setLogic("QF_BV")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap_2(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "false")
checkSimpleSeparationConstraints(solver)
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap_3(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkFalse()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap_4(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap_5(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
checkSimpleSeparationConstraints(solver)
solver.getValueSepHeap()
def test_get_value_sep_nil_1(solver):
solver.setLogic("QF_BV")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil_2(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "false")
checkSimpleSeparationConstraints(solver)
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil_3(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkFalse()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil_4(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil_5(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
checkSimpleSeparationConstraints(solver)
solver.getValueSepNil()
def test_push1(solver):
solver.setOption("incremental", "true")
solver.push(1)
with pytest.raises(RuntimeError):
solver.setOption("incremental", "false")
with pytest.raises(RuntimeError):
solver.setOption("incremental", "true")
def test_push2(solver):
solver.setOption("incremental", "false")
with pytest.raises(RuntimeError):
solver.push(1)
def test_pop1(solver):
solver.setOption("incremental", "false")
with pytest.raises(RuntimeError):
solver.pop(1)
def test_pop2(solver):
solver.setOption("incremental", "true")
with pytest.raises(RuntimeError):
solver.pop(1)
def test_pop3(solver):
solver.setOption("incremental", "true")
solver.push(1)
solver.pop(1)
with pytest.raises(RuntimeError):
solver.pop(1)
def test_block_model1(solver):
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x))
solver.checkSat()
with pytest.raises(RuntimeError):
solver.blockModel(BlockModelsMode.LITERALS)
def test_block_model2(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x))
with pytest.raises(RuntimeError):
solver.blockModel(BlockModelsMode.LITERALS)
def test_block_model3(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x");
solver.assertFormula(x.eqTerm(x))
solver.checkSat()
solver.blockModel(BlockModelsMode.LITERALS)
def test_block_model_values1(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x");
solver.assertFormula(x.eqTerm(x))
solver.checkSat()
with pytest.raises(RuntimeError):
solver.blockModelValues([])
with pytest.raises(RuntimeError):
solver.blockModelValues([cvc5.Term(solver)])
solver.blockModelValues([cvc5.Solver().mkBoolean(False)])
def test_block_model_values2(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x))
solver.checkSat()
solver.blockModelValues([x])
def test_block_model_values3(solver):
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x))
solver.checkSat()
with pytest.raises(RuntimeError):
solver.blockModelValues([x])
def test_block_model_values4(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x))
with pytest.raises(RuntimeError):
solver.blockModelValues([x])
def test_block_model_values5(solver):
solver.setOption("produce-models", "true")
x = solver.mkConst(solver.getBooleanSort(), "x")
solver.assertFormula(x.eqTerm(x))
solver.checkSat()
solver.blockModelValues([x])
def test_get_instantiations(solver):
iSort = solver.getIntegerSort()
boolSort = solver.getBooleanSort()
p = solver.declareFun("p", [iSort], boolSort)
x = solver.mkVar(iSort, "x")
bvl = solver.mkTerm(Kind.VARIABLE_LIST, x)
app = solver.mkTerm(Kind.APPLY_UF, p, x)
q = solver.mkTerm(Kind.FORALL, bvl, app)
solver.assertFormula(q)
five = solver.mkInteger(5)
app2 = solver.mkTerm(Kind.NOT, solver.mkTerm(Kind.APPLY_UF, p, five))
solver.assertFormula(app2)
with pytest.raises(RuntimeError):
solver.getInstantiations()
solver.checkSat()
solver.getInstantiations()
def test_get_statistics(solver):
intSort = solver.getIntegerSort()
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
zero = solver.mkInteger(0)
ten = solver.mkInteger(10)
f0 = solver.mkTerm(Kind.GEQ, x, ten)
f1 = solver.mkTerm(
Kind.OR,
solver.mkTerm(Kind.GEQ, zero, x),
solver.mkTerm(Kind.GEQ, y, zero))
solver.assertFormula(f0)
solver.assertFormula(f1)
solver.checkSat()
s = solver.getStatistics()
assert s['cvc5::TERM'] == {'defaulted': False, 'internal': False, 'value': {'GEQ': 3, 'OR': 1}}
assert s.get(True, False) != {}
def test_set_info(solver):
with pytest.raises(RuntimeError):
solver.setInfo("cvc5-lagic", "QF_BV")
with pytest.raises(RuntimeError):
solver.setInfo("cvc2-logic", "QF_BV")
with pytest.raises(RuntimeError):
solver.setInfo("cvc5-logic", "asdf")
solver.setInfo("source", "asdf")
solver.setInfo("category", "asdf")
solver.setInfo("difficulty", "asdf")
solver.setInfo("filename", "asdf")
solver.setInfo("license", "asdf")
solver.setInfo("name", "asdf")
solver.setInfo("notes", "asdf")
solver.setInfo("smt-lib-version", "2")
solver.setInfo("smt-lib-version", "2.0")
solver.setInfo("smt-lib-version", "2.5")
solver.setInfo("smt-lib-version", "2.6")
with pytest.raises(RuntimeError):
solver.setInfo("smt-lib-version", ".0")
solver.setInfo("status", "sat")
solver.setInfo("status", "unsat")
solver.setInfo("status", "unknown")
with pytest.raises(RuntimeError):
solver.setInfo("status", "asdf")
def test_simplify(solver):
with pytest.raises(RuntimeError):
solver.simplify(cvc5.Term(solver))
bvSort = solver.mkBitVectorSort(32)
uSort = solver.mkUninterpretedSort("u")
funSort1 = solver.mkFunctionSort([bvSort, bvSort], bvSort)
funSort2 = solver.mkFunctionSort(uSort, solver.getIntegerSort())
consListSpec = solver.mkDatatypeDecl("list")
cons = solver.mkDatatypeConstructorDecl("cons")
cons.addSelector("head", solver.getIntegerSort())
cons.addSelectorSelf("tail")
consListSpec.addConstructor(cons)
nil = solver.mkDatatypeConstructorDecl("nil")
consListSpec.addConstructor(nil)
consListSort = solver.mkDatatypeSort(consListSpec)
x = solver.mkConst(bvSort, "x")
solver.simplify(x)
a = solver.mkConst(bvSort, "a")
solver.simplify(a)
b = solver.mkConst(bvSort, "b")
solver.simplify(b)
x_eq_x = solver.mkTerm(Kind.EQUAL, x, x)
solver.simplify(x_eq_x)
assert solver.mkTrue() != x_eq_x
assert solver.mkTrue() == solver.simplify(x_eq_x)
x_eq_b = solver.mkTerm(Kind.EQUAL, x, b)
solver.simplify(x_eq_b)
assert solver.mkTrue() != x_eq_b
assert solver.mkTrue() != solver.simplify(x_eq_b)
slv = cvc5.Solver()
slv.simplify(x)
i1 = solver.mkConst(solver.getIntegerSort(), "i1")
solver.simplify(i1)
i2 = solver.mkTerm(Kind.MULT, i1, solver.mkInteger("23"))
solver.simplify(i2)
assert i1 != i2
assert i1 != solver.simplify(i2)
i3 = solver.mkTerm(Kind.ADD, i1, solver.mkInteger(0))
solver.simplify(i3)
assert i1 != i3
assert i1 == solver.simplify(i3)
consList = consListSort.getDatatype()
dt1 = solver.mkTerm(
Kind.APPLY_CONSTRUCTOR,
consList.getConstructor("cons").getTerm(),
solver.mkInteger(0),
solver.mkTerm(
Kind.APPLY_CONSTRUCTOR,
consList.getConstructor("nil").getTerm()))
solver.simplify(dt1)
dt2 = solver.mkTerm(
Kind.APPLY_SELECTOR,
consList["cons"].getSelector("head").getTerm(),
dt1)
solver.simplify(dt2)
b1 = solver.mkVar(bvSort, "b1")
solver.simplify(b1)
b2 = solver.mkVar(bvSort, "b1")
solver.simplify(b2)
b3 = solver.mkVar(uSort, "b3")
solver.simplify(b3)
v1 = solver.mkConst(bvSort, "v1")
solver.simplify(v1)
v2 = solver.mkConst(solver.getIntegerSort(), "v2")
solver.simplify(v2)
f1 = solver.mkConst(funSort1, "f1")
solver.simplify(f1)
f2 = solver.mkConst(funSort2, "f2")
solver.simplify(f2)
solver.defineFunsRec([f1, f2], [[b1, b2], [b3]], [v1, v2])
solver.simplify(f1)
solver.simplify(f2)
def test_assert_formula(solver):
solver.assertFormula(solver.mkTrue())
with pytest.raises(RuntimeError):
solver.assertFormula(cvc5.Term(solver))
slv = cvc5.Solver()
slv.assertFormula(solver.mkTrue())
def test_check_sat(solver):
solver.setOption("incremental", "false")
solver.checkSat()
with pytest.raises(RuntimeError):
solver.checkSat()
def test_check_sat_assuming(solver):
solver.setOption("incremental", "false")
solver.checkSatAssuming(solver.mkTrue())
with pytest.raises(RuntimeError):
solver.checkSatAssuming(solver.mkTrue())
slv = cvc5.Solver()
slv.checkSatAssuming(solver.mkTrue())
def test_check_sat_assuming1(solver):
boolSort = solver.getBooleanSort()
x = solver.mkConst(boolSort, "x")
y = solver.mkConst(boolSort, "y")
z = solver.mkTerm(Kind.AND, x, y)
solver.setOption("incremental", "true")
solver.checkSatAssuming(solver.mkTrue())
with pytest.raises(RuntimeError):
solver.checkSatAssuming(cvc5.Term(solver))
solver.checkSatAssuming(solver.mkTrue())
solver.checkSatAssuming(z)
slv = cvc5.Solver()
slv.checkSatAssuming(solver.mkTrue())
def test_check_sat_assuming2(solver):
solver.setOption("incremental", "true")
uSort = solver.mkUninterpretedSort("u")
intSort = solver.getIntegerSort()
boolSort = solver.getBooleanSort()
uToIntSort = solver.mkFunctionSort(uSort, intSort)
intPredSort = solver.mkFunctionSort(intSort, boolSort)
n = cvc5.Term(solver)
# Constants
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
# Functions
f = solver.mkConst(uToIntSort, "f")
p = solver.mkConst(intPredSort, "p")
# Values
zero = solver.mkInteger(0)
one = solver.mkInteger(1)
# Terms
f_x = solver.mkTerm(Kind.APPLY_UF, f, x)
f_y = solver.mkTerm(Kind.APPLY_UF, f, y)
summ = solver.mkTerm(Kind.ADD, f_x, f_y)
p_0 = solver.mkTerm(Kind.APPLY_UF, p, zero)
p_f_y = solver.mkTerm(Kind.APPLY_UF, p, f_y)
# Assertions
assertions =\
solver.mkTerm(Kind.AND,\
solver.mkTerm(Kind.LEQ, zero, f_x), # 0 <= f(x)
solver.mkTerm(Kind.LEQ, zero, f_y), # 0 <= f(y)
solver.mkTerm(Kind.LEQ, summ, one), # f(x) + f(y) <= 1
p_0.notTerm(), # not p(0)
p_f_y # p(f(y))
)
solver.checkSatAssuming(solver.mkTrue())
solver.assertFormula(assertions)
solver.checkSatAssuming(solver.mkTerm(Kind.DISTINCT, x, y))
solver.checkSatAssuming(
solver.mkFalse(),
solver.mkTerm(Kind.DISTINCT, x, y))
with pytest.raises(RuntimeError):
solver.checkSatAssuming(n)
with pytest.raises(RuntimeError):
solver.checkSatAssuming(n, solver.mkTerm(Kind.DISTINCT, x, y))
slv = cvc5.Solver()
slv.checkSatAssuming(solver.mkTrue())
def test_set_logic(solver):
solver.setLogic("AUFLIRA")
with pytest.raises(RuntimeError):
solver.setLogic("AF_BV")
solver.assertFormula(solver.mkTrue())
with pytest.raises(RuntimeError):
solver.setLogic("AUFLIRA")
def test_set_option(solver):
solver.setOption("bv-sat-solver", "minisat")
with pytest.raises(RuntimeError):
solver.setOption("bv-sat-solver", "1")
solver.assertFormula(solver.mkTrue())
with pytest.raises(RuntimeError):
solver.setOption("bv-sat-solver", "minisat")
def test_reset_assertions(solver):
solver.setOption("incremental", "true")
bvSort = solver.mkBitVectorSort(4)
one = solver.mkBitVector(4, 1)
x = solver.mkConst(bvSort, "x")
ule = solver.mkTerm(Kind.BITVECTOR_ULE, x, one)
srem = solver.mkTerm(Kind.BITVECTOR_SREM, one, x)
solver.push(4)
slt = solver.mkTerm(Kind.BITVECTOR_SLT, srem, one)
solver.resetAssertions()
solver.checkSatAssuming(slt, ule)
def test_mk_sygus_grammar(solver):
nullTerm = cvc5.Term(solver)
boolTerm = solver.mkBoolean(True)
boolVar = solver.mkVar(solver.getBooleanSort())
intVar = solver.mkVar(solver.getIntegerSort())
solver.mkGrammar([], [intVar])
solver.mkGrammar([boolVar], [intVar])
with pytest.raises(RuntimeError):
solver.mkGrammar([], [])
with pytest.raises(RuntimeError):
solver.mkGrammar([], [nullTerm])
with pytest.raises(RuntimeError):
solver.mkGrammar([], [boolTerm])
with pytest.raises(RuntimeError):
solver.mkGrammar([boolTerm], [intVar])
slv = cvc5.Solver()
boolVar2 = slv.mkVar(slv.getBooleanSort())
intVar2 = slv.mkVar(slv.getIntegerSort())
slv.mkGrammar([boolVar2], [intVar2])
slv.mkGrammar([boolVar], [intVar2])
slv.mkGrammar([boolVar2], [intVar])
def test_synth_inv(solver):
solver.setOption("sygus", "true")
boolean = solver.getBooleanSort()
integer = solver.getIntegerSort()
nullTerm = cvc5.Term(solver)
x = solver.mkVar(boolean)
start1 = solver.mkVar(boolean)
start2 = solver.mkVar(integer)
g1 = solver.mkGrammar([x], [start1])
g1.addRule(start1, solver.mkBoolean(False))
g2 = solver.mkGrammar([x], [start2])
g2.addRule(start2, solver.mkInteger(0))
solver.synthInv("", [])
solver.synthInv("i1", [x])
solver.synthInv("i2", [x], g1)
with pytest.raises(RuntimeError):
solver.synthInv("i3", [nullTerm])
with pytest.raises(RuntimeError):
solver.synthInv("i4", [x], g2)
def test_add_sygus_constraint(solver):
solver.setOption("sygus", "true")
nullTerm = cvc5.Term(solver)
boolTerm = solver.mkBoolean(True)
intTerm = solver.mkInteger(1)
solver.addSygusConstraint(boolTerm)
with pytest.raises(RuntimeError):
solver.addSygusConstraint(nullTerm)
with pytest.raises(RuntimeError):
solver.addSygusConstraint(intTerm)
slv = cvc5.Solver()
with pytest.raises(RuntimeError):
slv.addSygusConstraint(boolTerm)
def test_get_sygus_constraints(solver):
solver.setOption("sygus", "true")
true_term = solver.mkBoolean(True)
false_term = solver.mkBoolean(False)
solver.addSygusConstraint(true_term)
solver.addSygusConstraint(false_term)
constraints = [true_term, false_term]
assert solver.getSygusConstraints() == constraints
def test_add_sygus_assume(solver):
solver.setOption("sygus", "true")
nullTerm = cvc5.Term(solver)
boolTerm = solver.mkBoolean(False)
intTerm = solver.mkInteger(1)
solver.addSygusAssume(boolTerm)
with pytest.raises(RuntimeError):
solver.addSygusAssume(nullTerm)
with pytest.raises(RuntimeError):
solver.addSygusAssume(intTerm)
slv = cvc5.Solver()
with pytest.raises(RuntimeError):
slv.addSygusAssume(boolTerm)
def test_get_sygus_assumptions(solver):
solver.setOption("sygus", "true")
true_term = solver.mkBoolean(True)
false_term = solver.mkBoolean(False)
solver.addSygusAssume(true_term)
solver.addSygusAssume(false_term)
assumptions = [true_term, false_term]
assert solver.getSygusAssumptions() == assumptions
def test_add_sygus_inv_constraint(solver):
solver.setOption("sygus", "true")
boolean = solver.getBooleanSort()
real = solver.getRealSort()
nullTerm = cvc5.Term(solver)
intTerm = solver.mkInteger(1)
inv = solver.declareFun("inv", [real], boolean)
pre = solver.declareFun("pre", [real], boolean)
trans = solver.declareFun("trans", [real, real], boolean)
post = solver.declareFun("post", [real], boolean)
inv1 = solver.declareFun("inv1", [real], real)
trans1 = solver.declareFun("trans1", [boolean, real], boolean)
trans2 = solver.declareFun("trans2", [real, boolean], boolean)
trans3 = solver.declareFun("trans3", [real, real], real)
solver.addSygusInvConstraint(inv, pre, trans, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(nullTerm, pre, trans, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, nullTerm, trans, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, nullTerm, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, trans, nullTerm)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(intTerm, pre, trans, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv1, pre, trans, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, trans, trans, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, intTerm, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, pre, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, trans1, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, trans2, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, trans3, post)
with pytest.raises(RuntimeError):
solver.addSygusInvConstraint(inv, pre, trans, trans)
slv = cvc5.Solver()
slv.setOption("sygus", "true")
boolean2 = slv.getBooleanSort()
real2 = slv.getRealSort()
inv22 = slv.declareFun("inv", [real2], boolean2)
pre22 = slv.declareFun("pre", [real2], boolean2)
trans22 = slv.declareFun("trans", [real2, real2], boolean2)
post22 = slv.declareFun("post", [real2], boolean2)
slv.addSygusInvConstraint(inv22, pre22, trans22, post22)
slv.addSygusInvConstraint(inv, pre22, trans22, post22)
slv.addSygusInvConstraint(inv22, pre, trans22, post22)
slv.addSygusInvConstraint(inv22, pre22, trans, post22)
slv.addSygusInvConstraint(inv22, pre22, trans22, post)
def test_check_synth(solver):
with pytest.raises(RuntimeError):
solver.checkSynth()
solver.setOption("sygus", "true")
solver.checkSynth()
def test_get_synth_solution(solver):
solver.setOption("sygus", "true")
solver.setOption("incremental", "false")
nullTerm = cvc5.Term(solver)
x = solver.mkBoolean(False)
f = solver.synthFun("f", [], solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.getSynthSolution(f)
res = solver.checkSynth()
assert res.hasSolution()
solver.getSynthSolution(f)
solver.getSynthSolution(f)
with pytest.raises(RuntimeError):
solver.getSynthSolution(nullTerm)
with pytest.raises(RuntimeError):
solver.getSynthSolution(x)
slv = cvc5.Solver()
with pytest.raises(RuntimeError):
slv.getSynthSolution(f)
def test_check_synth_next(solver):
solver.setOption("sygus", "true")
solver.setOption("incremental", "true")
f = solver.synthFun("f", [], solver.getBooleanSort())
res = solver.checkSynth()
assert res.hasSolution()
solver.getSynthSolutions([f])
res = solver.checkSynthNext()
assert res.hasSolution()
solver.getSynthSolutions([f])
def test_check_synth_next2(solver):
solver.setOption("sygus", "true")
solver.setOption("incremental", "false")
f = solver.synthFun("f", [], solver.getBooleanSort())
solver.checkSynth()
with pytest.raises(RuntimeError):
solver.checkSynthNext()
def test_check_synth_next3(solver):
solver.setOption("sygus", "true")
solver.setOption("incremental", "true")
f = solver.synthFun("f", [], solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.checkSynthNext()
def test_get_abduct(solver):
solver.setLogic("QF_LIA")
solver.setOption("produce-abducts", "true")
solver.setOption("incremental", "false")
intSort = solver.getIntegerSort()
zero = solver.mkInteger(0)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
solver.assertFormula(solver.mkTerm(Kind.GT, x, zero))
conj = solver.mkTerm(Kind.GT, y, zero)
output = solver.getAbduct(conj)
assert not output.isNull() and output.getSort().isBoolean()
boolean = solver.getBooleanSort()
truen = solver.mkBoolean(True)
start = solver.mkVar(boolean)
output2 = cvc5.Term(solver)
g = solver.mkGrammar([], [start])
conj2 = solver.mkTerm(Kind.GT, x, zero)
g.addRule(start, truen)
output2 = solver.getAbduct(conj2, g)
assert output2 == truen
def test_get_abduct2(solver):
solver.setLogic("QF_LIA")
solver.setOption("incremental", "false")
intSort = solver.getIntegerSort()
zero = solver.mkInteger(0)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
solver.assertFormula(solver.mkTerm(Kind.GT, x, zero))
conj = solver.mkTerm(Kind.GT, y, zero)
output = cvc5.Term(solver)
with pytest.raises(RuntimeError):
solver.getAbduct(conj)
def test_get_abduct_next(solver):
solver.setLogic("QF_LIA")
solver.setOption("produce-abducts", "true")
solver.setOption("incremental", "true")
intSort = solver.getIntegerSort()
zero = solver.mkInteger(0)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
solver.assertFormula(solver.mkTerm(Kind.GT, x, zero))
conj = solver.mkTerm(Kind.GT, y, zero)
output = solver.getAbduct(conj)
output2 = solver.getAbductNext()
assert output != output2
def test_get_interpolant(solver):
solver.setLogic("QF_LIA")
solver.setOption("produce-interpolants", "true")
solver.setOption("incremental", "false")
intSort = solver.getIntegerSort()
zero = solver.mkInteger(0)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
z = solver.mkConst(intSort, "z")
solver.assertFormula(solver.mkTerm(
Kind.GT, solver.mkTerm(Kind.ADD, x, y), zero))
solver.assertFormula(solver.mkTerm(Kind.LT, x, zero))
conj = solver.mkTerm(
Kind.OR,
solver.mkTerm(Kind.GT, solver.mkTerm(Kind.ADD, y, z), zero),
solver.mkTerm(Kind.LT, z, zero))
output = solver.getInterpolant(conj)
assert output.getSort().isBoolean()
boolean = solver.getBooleanSort()
truen = solver.mkBoolean(True)
start = solver.mkVar(boolean)
g = solver.mkGrammar([], [start])
conj2 = solver.mkTerm(Kind.EQUAL, zero, zero)
g.addRule(start, truen)
output2 = solver.getInterpolant(conj2, g)
assert output2 == truen
def test_get_interpolant_next(solver):
solver.setLogic("QF_LIA")
solver.setOption("produce-interpolants", "true")
solver.setOption("incremental", "true")
intSort = solver.getIntegerSort()
zero = solver.mkInteger(0)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
z = solver.mkConst(intSort, "z")
solver.assertFormula(solver.mkTerm(
Kind.GT, solver.mkTerm(Kind.ADD, x, y), zero))
solver.assertFormula(solver.mkTerm(Kind.LT, x, zero))
conj = solver.mkTerm(
Kind.OR,
solver.mkTerm(Kind.GT, solver.mkTerm(Kind.ADD, y, z), zero),
solver.mkTerm(Kind.LT, z, zero))
output = solver.getInterpolant(conj)
output2 = solver.getInterpolantNext()
assert output != output2
def test_declare_pool(solver):
intSort = solver.getIntegerSort()
setSort = solver.mkSetSort(intSort)
zero = solver.mkInteger(0)
x = solver.mkConst(intSort, "x")
y = solver.mkConst(intSort, "y")
# declare a pool with initial value 0, x, y
p = solver.declarePool("p", intSort, [zero, x, y])
# pool should have the same sort
assert p.getSort() == setSort
# cannot pass null sort
nullSort = cvc5.Sort(solver)
with pytest.raises(RuntimeError):
solver.declarePool("i", nullSort, [])
def test_define_sort(solver):
sortVar0 = solver.mkParamSort("T0")
sortVar1 = solver.mkParamSort("T1")
intSort = solver.getIntegerSort()
realSort = solver.getRealSort()
arraySort0 = solver.mkArraySort(sortVar0, sortVar0)
arraySort1 = solver.mkArraySort(sortVar0, sortVar1)
# Now create instantiations of the defined sorts
arraySort0.substitute(sortVar0, intSort)
arraySort1.substitute([sortVar0, sortVar1], [intSort, realSort])
def test_get_model_domain_elements(solver):
solver.setOption("produce-models", "true")
uSort = solver.mkUninterpretedSort("u")
intSort = solver.getIntegerSort()
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
z = solver.mkConst(uSort, "z")
f = solver.mkTerm(Kind.DISTINCT, x, y, z)
solver.assertFormula(f)
solver.checkSat()
solver.getModelDomainElements(uSort)
assert len(solver.getModelDomainElements(uSort)) >= 3
with pytest.raises(RuntimeError):
solver.getModelDomainElements(intSort)
def test_get_model_domain_elements2(solver):
solver.setOption("produce-models", "true")
solver.setOption("finite-model-find", "true")
uSort = solver.mkUninterpretedSort("u")
x = solver.mkVar(uSort, "x")
y = solver.mkVar(uSort, "y")
eq = solver.mkTerm(Kind.EQUAL, x, y)
bvl = solver.mkTerm(Kind.VARIABLE_LIST, x, y)
f = solver.mkTerm(Kind.FORALL, bvl, eq)
solver.assertFormula(f)
solver.checkSat()
solver.getModelDomainElements(uSort)
assert len(solver.getModelDomainElements(uSort)) == 1
def test_get_synth_solutions(solver):
solver.setOption("sygus", "true")
solver.setOption("incremental", "false")
nullTerm = cvc5.Term(solver)
x = solver.mkBoolean(False)
f = solver.synthFun("f", [], solver.getBooleanSort())
with pytest.raises(RuntimeError):
solver.getSynthSolutions([])
with pytest.raises(RuntimeError):
solver.getSynthSolutions([f])
solver.checkSynth()
solver.getSynthSolutions([f])
solver.getSynthSolutions([f, f])
with pytest.raises(RuntimeError):
solver.getSynthSolutions([])
with pytest.raises(RuntimeError):
solver.getSynthSolutions([nullTerm])
with pytest.raises(RuntimeError):
solver.getSynthSolutions([x])
slv = cvc5.Solver()
with pytest.raises(RuntimeError):
slv.getSynthSolutions([x])
def test_get_value_sep_heap1(solver):
solver.setLogic("QF_BV")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap2(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "false")
checkSimpleSeparationConstraints(solver)
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap3(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkFalse()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap4(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepHeap()
def test_get_value_sep_heap5(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
checkSimpleSeparationConstraints(solver)
solver.getValueSepHeap()
def test_get_value_sep_nil1(solver):
solver.setLogic("QF_BV")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil2(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "false")
checkSimpleSeparationConstraints(solver)
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil3(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkFalse()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil4(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
t = solver.mkTrue()
solver.assertFormula(t)
solver.checkSat()
with pytest.raises(RuntimeError):
solver.getValueSepNil()
def test_get_value_sep_nil5(solver):
solver.setLogic("ALL")
solver.setOption("incremental", "false")
solver.setOption("produce-models", "true")
checkSimpleSeparationConstraints(solver)
solver.getValueSepNil()
def test_is_model_core_symbol(solver):
solver.setOption("produce-models", "true")
solver.setOption("model-cores", "simple")
uSort = solver.mkUninterpretedSort("u")
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
z = solver.mkConst(uSort, "z")
zero = solver.mkInteger(0)
f = solver.mkTerm(Kind.NOT, solver.mkTerm(Kind.EQUAL, x, y))
solver.assertFormula(f)
solver.checkSat()
assert solver.isModelCoreSymbol(x)
assert solver.isModelCoreSymbol(y)
assert not solver.isModelCoreSymbol(z)
with pytest.raises(RuntimeError):
solver.isModelCoreSymbol(zero)
def test_get_model(solver):
solver.setOption("produce-models", "true")
uSort = solver.mkUninterpretedSort("u")
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
z = solver.mkConst(uSort, "z")
f = solver.mkTerm(Kind.NOT, solver.mkTerm(Kind.EQUAL, x, y))
solver.assertFormula(f)
solver.checkSat()
sorts = [uSort]
terms = [x, y]
solver.getModel(sorts, terms)
null = cvc5.Term(solver)
terms.append(null)
with pytest.raises(RuntimeError):
solver.getModel(sorts, terms)
def test_get_model2(solver):
solver.setOption("produce-models", "true")
sorts = []
terms = []
with pytest.raises(RuntimeError):
solver.getModel(sorts, terms)
def test_get_model3(solver):
solver.setOption("produce-models", "true")
sorts = []
terms = []
solver.checkSat()
solver.getModel(sorts, terms)
integer = solver.getIntegerSort()
sorts.append(integer)
with pytest.raises(RuntimeError):
solver.getModel(sorts, terms)
def test_issue5893(solver):
slv = cvc5.Solver()
bvsort4 = solver.mkBitVectorSort(4)
bvsort8 = solver.mkBitVectorSort(8)
arrsort = solver.mkArraySort(bvsort4, bvsort8)
arr = solver.mkConst(arrsort, "arr")
idx = solver.mkConst(bvsort4, "idx")
ten = solver.mkBitVector(8, "10", 10)
sel = solver.mkTerm(Kind.SELECT, arr, idx)
distinct = solver.mkTerm(Kind.DISTINCT, sel, ten)
distinct.getOp()
def test_issue7000(solver):
s1 = solver.getIntegerSort()
s2 = solver.mkFunctionSort(s1, s1)
s3 = solver.getRealSort()
t4 = solver.mkPi()
t7 = solver.mkConst(s3, "_x5")
t37 = solver.mkConst(s2, "_x32")
t59 = solver.mkConst(s2, "_x51")
t72 = solver.mkTerm(Kind.EQUAL, t37, t59)
t74 = solver.mkTerm(Kind.GT, t4, t7)
query = solver.mkTerm(Kind.AND, t72, t74, t72, t72)
# throws logic exception since logic is not higher order by default
with pytest.raises(RuntimeError):
solver.checkSatAssuming(query.notTerm())
def test_mk_sygus_var(solver):
solver.setOption("sygus", "true")
boolSort = solver.getBooleanSort()
intSort = solver.getIntegerSort()
funSort = solver.mkFunctionSort(intSort, boolSort)
solver.declareSygusVar("", boolSort)
solver.declareSygusVar("", funSort)
solver.declareSygusVar("b", boolSort)
with pytest.raises(RuntimeError):
solver.declareSygusVar("", cvc5.Sort(solver))
slv = cvc5.Solver()
solver.setOption("sygus", "true")
with pytest.raises(RuntimeError):
slv.declareSygusVar("", boolSort)
def test_synth_fun(solver):
solver.setOption("sygus", "true")
null = cvc5.Sort(solver)
boolean = solver.getBooleanSort()
integer = solver.getIntegerSort()
nullTerm = cvc5.Term(solver)
x = solver.mkVar(boolean)
start1 = solver.mkVar(boolean)
start2 = solver.mkVar(integer)
g1 = solver.mkGrammar(x, [start1])
g1.addRule(start1, solver.mkBoolean(False))
g2 = solver.mkGrammar(x, [start2])
g2.addRule(start2, solver.mkInteger(0))
solver.synthFun("", [], boolean)
solver.synthFun("f1", [x], boolean)
solver.synthFun("f2", [x], boolean, g1)
with pytest.raises(RuntimeError):
solver.synthFun("f3", [nullTerm], boolean)
with pytest.raises(RuntimeError):
solver.synthFun("f4", [], null)
with pytest.raises(RuntimeError):
solver.synthFun("f6", [x], boolean, g2)
slv = cvc5.Solver()
slv.setOption("sygus", "true")
x2 = slv.mkVar(slv.getBooleanSort())
slv.synthFun("f1", [x2], slv.getBooleanSort())
slv.synthFun("", [], solver.getBooleanSort())
slv.synthFun("f1", [x], solver.getBooleanSort())
def test_tuple_project(solver):
sorts = [solver.getBooleanSort(),\
solver.getIntegerSort(),\
solver.getStringSort(),\
solver.mkSetSort(solver.getStringSort())]
elements = [\
solver.mkBoolean(True), \
solver.mkInteger(3),\
solver.mkString("C"),\
solver.mkTerm(Kind.SET_SINGLETON, solver.mkString("Z"))]
tuple = solver.mkTuple(sorts, elements)
indices1 = []
indices2 = [0]
indices3 = [0, 1]
indices4 = [0, 0, 2, 2, 3, 3, 0]
indices5 = [4]
indices6 = [0, 4]
solver.mkTerm(solver.mkOp(Kind.TUPLE_PROJECT, *indices1), tuple)
solver.mkTerm(solver.mkOp(Kind.TUPLE_PROJECT, *indices2), tuple)
solver.mkTerm(solver.mkOp(Kind.TUPLE_PROJECT, *indices3), tuple)
solver.mkTerm(solver.mkOp(Kind.TUPLE_PROJECT, *indices4), tuple)
with pytest.raises(RuntimeError):
solver.mkTerm(solver.mkOp(Kind.TUPLE_PROJECT, *indices5), tuple)
with pytest.raises(RuntimeError):
solver.mkTerm(solver.mkOp(Kind.TUPLE_PROJECT, *indices6), tuple)
indices = [0, 3, 2, 0, 1, 2]
op = solver.mkOp(Kind.TUPLE_PROJECT, *indices)
projection = solver.mkTerm(op, tuple)
datatype = tuple.getSort().getDatatype()
constructor = datatype[0]
for i in indices:
selectorTerm = constructor[i].getTerm()
selectedTerm = solver.mkTerm(Kind.APPLY_SELECTOR, selectorTerm, tuple)
simplifiedTerm = solver.simplify(selectedTerm)
assert elements[i] == simplifiedTerm
assert "((_ tuple.project 0 3 2 0 1 2) (tuple true 3 \"C\" (set.singleton \"Z\")))" == str(
projection)
def test_get_data_type_arity(solver):
ctor1 = solver.mkDatatypeConstructorDecl("_x21")
ctor2 = solver.mkDatatypeConstructorDecl("_x31")
s3 = solver.declareDatatype("_x17", ctor1, ctor2)
assert s3.getDatatypeArity() == 0
def test_get_difficulty(solver):
solver.setOption("produce-difficulty", "true")
# cannot ask before a check sat
with pytest.raises(RuntimeError):
solver.getDifficulty()
solver.checkSat()
solver.getDifficulty()
def test_get_difficulty2(solver):
solver.checkSat()
with pytest.raises(RuntimeError):
# option is not set
solver.getDifficulty()
def test_get_difficulty3(solver):
solver.setOption("produce-difficulty", "true")
intSort = solver.getIntegerSort()
x = solver.mkConst(intSort, "x")
zero = solver.mkInteger(0)
ten = solver.mkInteger(10)
f0 = solver.mkTerm(Kind.GEQ, x, ten)
f1 = solver.mkTerm(Kind.GEQ, zero, x)
solver.checkSat()
dmap = solver.getDifficulty()
# difficulty should map assertions to integer values
for key, value in dmap.items():
assert key == f0 or key == f1
assert value.getKind() == Kind.CONST_INTEGER
def test_get_model(solver):
solver.setOption("produce-models", "true")
uSort = solver.mkUninterpretedSort("u")
x = solver.mkConst(uSort, "x")
y = solver.mkConst(uSort, "y")
z = solver.mkConst(uSort, "z")
f = solver.mkTerm(Kind.NOT, solver.mkTerm(Kind.EQUAL, x, y));
solver.assertFormula(f)
solver.checkSat()
sorts = [uSort]
terms = [x, y]
solver.getModel(sorts, terms)
null = cvc5.Term(solver)
terms += [null]
with pytest.raises(RuntimeError):
solver.getModel(sorts, terms)
def test_get_model2(solver):
solver.setOption("produce-models", "true")
sorts = []
terms = []
with pytest.raises(RuntimeError):
solver.getModel(sorts, terms)
def test_get_model_3(solver):
solver.setOption("produce-models", "true")
sorts = []
terms = []
solver.checkSat()
solver.getModel(sorts, terms)
integer = solver.getIntegerSort()
sorts += [integer]
with pytest.raises(RuntimeError):
solver.getModel(sorts, terms)
def test_get_option_names(solver):
names = solver.getOptionNames()
assert len(names) > 100
assert "verbose" in names
assert "foobar" not in names
def test_get_quantifier_elimination(solver):
x = solver.mkVar(solver.getBooleanSort(), "x")
forall = solver.mkTerm(
Kind.FORALL,
solver.mkTerm(Kind.VARIABLE_LIST, x),
solver.mkTerm(Kind.OR, x, solver.mkTerm(Kind.NOT, x)))
with pytest.raises(RuntimeError):
solver.getQuantifierElimination(cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.getQuantifierElimination(cvc5.Solver().mkBoolean(False))
solver.getQuantifierElimination(forall)
def test_get_quantifier_elimination_disjunct(solver):
x = solver.mkVar(solver.getBooleanSort(), "x")
forall = solver.mkTerm(
Kind.FORALL,
solver.mkTerm(Kind.VARIABLE_LIST, x),
solver.mkTerm(Kind.OR, x, solver.mkTerm(Kind.NOT, x)))
with pytest.raises(RuntimeError):
solver.getQuantifierEliminationDisjunct(cvc5.Term(solver))
with pytest.raises(RuntimeError):
solver.getQuantifierEliminationDisjunct(cvc5.Solver().mkBoolean(False))
solver.getQuantifierEliminationDisjunct(forall)
def test_get_version(solver):
print(solver.getVersion())
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