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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _preprocess_successor(self, state, add_guard=True):
 #pylint:disable=unused-argument """ Preprocesses the successor state. :param state: the successor state """


        # Next, simplify what needs to be simplified
        if o.SIMPLIFY_EXIT_STATE in state.options:
            state.solver.simplify()
        if o.SIMPLIFY_EXIT_GUARD in state.options:
            state.scratch.guard = state.solver.simplify(state.scratch.guard)
        if o.SIMPLIFY_EXIT_TARGET in state.options:
            state.scratch.target = state.solver.simplify(state.scratch.target)

        # unwrap stuff from SimActionObjects
        state.scratch.target = _raw_ast(state.scratch.target)
        state.scratch.guard = _raw_ast(state.scratch.guard)

        # apply the guard constraint and new program counter to the state
        if add_guard:
            state.add_constraints(state.scratch.guard)
        # trigger inspect breakpoints here since this statement technically shows up in the IRSB as the "next"
        state.regs.ip = state.scratch.target

        # For architectures with no stack pointer, we can't manage a callstack. This has the side effect of breaking
        # SimProcedures that call out to binary code self.call.
        if self.initial_state.arch.sp_offset is not None and not isinstance(state.arch, ArchSoot):
            self._manage_callstack(state)

        if len(self.successors) != 0:
            # This is a fork!
            state._inspect('fork', BP_AFTER)

        # clean up the state
        state.options.discard(o.AST_DEPS)
        state.options.discard(o.AUTO_REFS)