How to use the claripy.And function in claripy

if simfd is not None and isinstance(simfd.read_storage, SimPackets):
            argnum = startpos
            for component in self.components:
                if type(component) is bytes:
                    sdata, _ = simfd.read_data(len(component), short_reads=False)
                    self.state.solver.add(sdata == component)
                elif isinstance(component, claripy.Bits):
                    sdata, _ = simfd.read_data(len(component) // 8, short_reads=False)
                    self.state.solver.add(sdata == component)
                elif component.spec_type == b's':
                    if component.length_spec is None:
                        sdata, slen = simfd.read_data(self.state.libc.buf_symbolic_bytes)
                    else:
                        sdata, slen = simfd.read_data(component.length_spec)
                    for byte in sdata.chop(8):
                        self.state.solver.add(claripy.And(*[byte != char for char in self.SCANF_DELIMITERS]))
                    self.state.memory.store(args(argnum), sdata, size=slen)
                    self.state.memory.store(args(argnum) + slen, claripy.BVV(0, 8))
                    argnum += 1
                elif component.spec_type == b'c':
                    sdata, _ = simfd.read_data(1, short_reads=False)
                    self.state.memory.store(args(argnum), sdata)
                    argnum += 1
                else:
                    bits = component.size * 8
                    if component.spec_type == b'x':
                        base = 16
                    elif component.spec_type == b'o':
                        base = 8
                    else:
                        base = 10

ranges = [['A', 'Z'], ['a', 'z']]
    elif values == 'zero-bytes':
        ranges = [['\0', '\0']]
    elif values == 'ascii':
        ranges = [['\0', '\x7f']]
    elif values == 'any':
        return state
    else:
        logger.error('Invalid input constraint')
        sys.exit(-1)

    constraints = claripy.And()
    for c in stdin:
        constraint = claripy.And()
        for r in ranges:
            constraint = claripy.And(c >= r[0], c <= r[1], constraint)
        constraints = claripy.And(constraint, constraints)
    if state.solver.satisfiable(extra_constraints=[constraints]):
        state.add_constraints(constraints)
        return state
    else:
        return None

elif values == 'ascii':
        ranges = [['\0', '\x7f']]
    elif values == 'any':
        return state
    else:
        logger.error('Invalid input constraint')
        sys.exit(-1)


    stdin = state.posix.get_fd(fd).all_bytes().chop(8)
    constraints = claripy.And()
    for c in stdin:
        constraint = claripy.And()
        for r in ranges:
            constraint = claripy.And(c >= r[0], c <= r[1], constraint)
        constraints = claripy.And(constraint, constraints)
    if state.solver.satisfiable(extra_constraints=[constraints]):
        state.add_constraints(constraints)
        return state
    else:
        return None

def run(self, _, length): # pylint: disable=W0221
        bvs = claripy.BVS("Random.nextInt", 32)
        cs =  claripy.And(claripy.SGE(bvs, 0), claripy.SLE(bvs, length))
        self.state.add_constraints(cs)
        return bvs

def compare_states(self, sl, sr):
        """
        Compares two states for similarity.
        """
        joint_solver = claripy.Solver()

        # make sure the canonicalized constraints are the same
        n_map, n_counter, n_canon_constraint = claripy.And(*sr.solver.constraints).canonicalize() #pylint:disable=no-member
        u_map, u_counter, u_canon_constraint = claripy.And(*sl.solver.constraints).canonicalize() #pylint:disable=no-member
        n_canoner_constraint = sr.solver.simplify(n_canon_constraint)
        u_canoner_constraint = sl.solver.simplify(u_canon_constraint)
        joint_solver.add((n_canoner_constraint, u_canoner_constraint))
        if n_canoner_constraint is not u_canoner_constraint:
            self._report_incongruency("Different constraints!")
            return False

        # get the differences in registers and memory
        mem_diff = sr.memory.changed_bytes(sl.memory)
        reg_diff = sr.registers.changed_bytes(sl.registers)

        # this is only for unicorn
        if "UNICORN" in sl.options or "UNICORN" in sr.options:
            if sl.arch.name == "X86":
                reg_diff -= set(range(40, 52)) #ignore cc psuedoregisters
                reg_diff -= set(range(320, 324)) #some other VEX weirdness

def check_write(state):
    # If we found an arb_write we're done
    if state.heaphopper.vuln_type.startswith('arbitrary_write'):
        return

    # Check if we have an arbitrary_write
    addr = state.inspect.mem_write_address
    val = state.inspect.mem_write_expr
    #logger.debug('check_write: addr: %s' % addr)
    #logger.debug('check_write: val: %s' % val)
    constr = claripy.And(addr >= state.heaphopper.wtarget[0],
                         addr < state.heaphopper.wtarget[0] + state.heaphopper.wtarget[1])

    if state.solver.satisfiable(extra_constraints=[constr]):
        #logger.debug('check_write: Found arbitrary write')
        state.add_constraints(constr)
        state.heaphopper.vuln_state = state.copy()
        state.heaphopper.arb_write_info = dict(instr=state.addr, addr=addr, val=val)
        state.heaphopper.vuln_type = 'arbitrary_write'
        state.heaphopper.stack_trace = get_libc_stack_trace(state)

predicate_mapping[predicate] = dst

        reaching_conditions = { }
        # recover the reaching condition for each node
        for node in networkx.topological_sort(self._region.graph):
            preds = self._region.graph.predecessors(node)
            reaching_condition = None
            for pred in preds:
                edge = (pred, node)
                pred_condition = reaching_conditions.get(pred, claripy.true)
                edge_condition = edge_conditions.get(edge, claripy.true)

                if reaching_condition is None:
                    reaching_condition = claripy.And(pred_condition, edge_condition)
                else:
                    reaching_condition = claripy.Or(claripy.And(pred_condition, edge_condition), reaching_condition)

            if reaching_condition is not None:
                reaching_conditions[node] = self._simplify_condition(reaching_condition)

        self._reaching_conditions = reaching_conditions
        self._predicate_mapping = predicate_mapping
        self._edge_conditions = edge_conditions

max_digit = claripy.BVV(ord("0") + base, 8)
        is_digit = claripy.And(char >= min_digit, char <= max_digit)
        # return early here so we don't add unnecessary statements
        if base <= 10:
            return is_digit, char - min_digit

        # handle alphabetic chars
        max_char_lower = claripy.BVV(ord("a") + base-10 - 1, 8)
        max_char_upper = claripy.BVV(ord("A") + base-10 - 1, 8)
        min_char_lower = claripy.BVV(ord("a"), 8)
        min_char_upper = claripy.BVV(ord("A"), 8)

        cases.append((is_digit, char - min_digit))
        is_alpha_lower = claripy.And(char >= min_char_lower, char <= max_char_lower)
        cases.append((is_alpha_lower, char - min_char_lower + 10))
        is_alpha_upper = claripy.And(char >= min_char_upper, char <= max_char_upper)
        cases.append((is_alpha_upper, char - min_char_upper + 10))

        expression = claripy.Or(is_digit, is_alpha_lower, is_alpha_upper)
        # use the last case as the default, the expression will encode whether or not it's satisfiable
        result = claripy.ite_cases(cases[:-1], cases[-1][1])

        return expression, result

def SET_ABCD(a, b, c, d, condition=None, condition2=None):
        if condition is None:
            state.registers.store('eax', a, size=4)
            state.registers.store('ebx', b, size=4)
            state.registers.store('ecx', c, size=4)
            state.registers.store('edx', d, size=4)

        elif condition2 is None:
            cond = old_eax == condition
            state.registers.store('eax', a, size=4, condition=cond)
            state.registers.store('ebx', b, size=4, condition=cond)
            state.registers.store('ecx', c, size=4, condition=cond)
            state.registers.store('edx', d, size=4, condition=cond)

        else:
            cond = claripy.And(old_eax == condition, old_ecx == condition2)
            state.registers.store('eax', a, size=4, condition=cond)
            state.registers.store('ebx', b, size=4, condition=cond)
            state.registers.store('ecx', c, size=4, condition=cond)
            state.registers.store('edx', d, size=4, condition=cond)