# Sorts
_boolsort = b.BoolSort()
# Try creating a bit-vector sort of size 0,
# raises Exception
try:
print("Expect exception to be raised (bit-vector size of 0).")
_bvsort = b.BitVecSort(0)
except BoolectorException as e:
print("Caught exception: " + str(e))
_bvsort = b.BitVecSort(128)
_arrsort = b.ArraySort(_bvsort, _bvsort)
_funsort = b.FunSort([_boolsort, _boolsort, _bvsort, _bvsort], _boolsort)
# Constants
_const = b.Const("10010101")
_zero = b.Const(0, 128)
_ones = b.Const(-1, 129)
_true = b.Const(True)
_false = b.Const(False)
_one = b.Const(1, 128)
_uint = b.Const(77, 128)
_int = b.Const(-77, 128)
# Variables
_var = b.Var(_bvsort, "var_symbol")
# Try getting the assignment of _var without a call to Sat(),
# raises Exception
try:
print("Expect exception to be raised (no previous call to Sat()).")
print("{} {}".format(_var.symbol, _var.assignment))
import os
import pyboolector
from pyboolector import Boolector, BoolectorException
if __name__ == "__main__":
try:
# Create Boolector instance
btor = Boolector()
# Enable model generation
btor.Set_opt(pyboolector.BTOR_OPT_MODEL_GEN, True)
# Create bit-vector sort of size 8
bvsort8 = btor.BitVecSort(8)
# Create expressions
x = btor.Var(bvsort8, "x")
y = btor.Var(bvsort8, "y")
zero = btor.Const(0, 8)
hundred = btor.Const(100, 8)
# 0 < x
ult_x = btor.Ult(zero, x)
btor.Assert(ult_x)
# x <= 100
ulte_x = btor.Ulte(x, hundred)
btor.Assert(ulte_x)
# 0 < y
ult_y = btor.Ult(zero, y)
btor.Assert(ult_y)
# y <= 100
ulte_y = btor.Ulte(y, hundred)
btor.Assert(ulte_y)
# x * y
mul = btor.Mul(x, y)