<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def verify(self, gadget):
 """Verify gadgets. """

        # Add instructions to the analyzer
        self.analyzer.reset()

        for reil_instr in gadget.ir_instrs:
            self.analyzer.add_instruction(reil_instr)

        # Generate constraints for the gadgets type.
        constrs = self._constraints_generators[gadget.type](gadget)

        # Check constraints.
        if not constrs:
            return False

        for constr in constrs:
            self.analyzer.add_constraint(constr)

        return self.analyzer.check() == 'unsat'