exploit create_cda(a)=
    preconditions:
        quality:a,critical=true;
        quality:a,digital=true;
    postconditions:
        insert quality:a,cda=true;
.

exploit expand_critical_1_1(a, b)=
    preconditions:
        quality:a,critical=true;
        topology:a->b,physical;
    postconditions:
        insert quality:b,critical=true;
.

exploit expand_critical_1_2(a, b)=
    preconditions:
        quality:a,critical=true;
        topology:a<->b,physical;
    postconditions:
        insert quality:b,critical=true;
.

exploit expand_critical_2_1(a, b)=
    preconditions:
        quality:a,critical=true;
        topology:a->b,connected_modbus_slave;
    postconditions:
        insert quality:b,critical=true;
.

exploit expand_critical_2_2(a, b)=
    preconditions:
        quality:a,critical=true;
        topology:a<->b,connected_modbus_slave;
    postconditions:
        insert quality:b,critical=true;
.

exploit expand_critical_3_1(a, b)=
    preconditions:
        quality:a,critical=true;
        topology:a->b,connected_modbus_master;
    postconditions:
        insert quality:b,critical=true;
.

exploit expand_critical_3_2(a, b)=
    preconditions:
        quality:a,critical=true;
        topology:a<->b,connected_modbus_master;
    postconditions:
        insert quality:b,critical=true;
.