heptagon/test/async/ttt.ept

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node counter(res: bool; tick: bool) returns (o: int)
let
o = if res then 0 else if tick then 1 -> pre o + 1 else 0 -> pre o;
tel
node counter3() returns (t: async bool)
var last async t: int; cpt: int;
let
cpt = counter(false,true);
automaton
state I do
t = async counter(false,true)));
until true continue III
state III do
until cpt/3 = 0 continue I
end;
b = 0 fby cpt - 1 = 0 -> !t ;
tel