// dtmc // Pmax =? [ F seenA ] = 0.0 Pmax =? [ F seenB ] = 0.0
pta // Pmax =? [ F seenA ] = 1.0 Pmax =? [ F seenB ] = 0.0

module AA
seenA: bool init false;

[fire] true -> (seenA'=true);
endmodule

module BB
seenB: bool init false;

[fire] false -> (seenB'=true);
endmodule