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node root(In : int; C : bool) returns (Out, Out1 : int)
var last_Out, last_Out1: int;
isp, isn: bool;
let
last_Out = 0 -> pre Out;
last_Out1 = 0 -> pre Out1;
isp = In > 0;
isn = In < 0;
assume C_in_not_null: (not C) or isp or isn;
automaton SM1
initial state State1
let
Out1 = 2;
Out = 3;
tel
until
if C resume State2;
state State2
let
automaton SM2
initial state State3
Out1 = 1;
until
if C resume State4;
state State4
activate if C
then let
guarantee no_mod0: Out <> 0;
Out1 = In mod Out;
tel else Out1 = last_Out1;
returns Out1;
returns Out1;
activate if C
then Out = In;
else Out = last_Out;
returns Out;
tel
returns Out, Out1;
tel
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