ConstantBlock cte_x {
    value = 1
}
DelayBlock delay {}
AdditionBlock adder {}
NegatorBlock neg {}
ProbeBlock y {
    name = "y"
}
ProbeBlock z {
    name = "z"
}

InitialCondition (cte_x, delay){}
Link (cte_x, adder) {}
Link (adder, delay) {}
Link (adder, y) {}
Link (adder, neg) {}
Link (delay, z) {}
Link (neg, adder) {}