(*******************************************************************************
 *                                IMITATOR MODEL                               
 * 
 * Title            : infinite-2
 * Description      : Toy benchmark for which there exists an infinite accepting run for all p>=2 but IMITATOR cannot find it
 * Correctness      : 
 * Scalable         : no
 * Generated        : no
 * Categories       : Academic ; Toy ; Unsolvable
 * Source           : Iterative Bounded Synthesis for Efficient Cycle Detection in Parametric Timed Automata, Fig. 1
 * bibkey           : [AAPP21]
 * Author           : Étienne André, Jaime Arias, Laure Petrucci, Jaco van de Pol
 * Modeling         : Dylan Marinho
 * Input by         : Dylan Marinho, Étienne André
 * License          : Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
 * 
 * Created          : 2021/01/21
 * Last modified    : 2021/03/11
 * Model version    : 
 * 
 * IMITATOR version : 3
 ******************************************************************************)

var

(* Clocks *)
 	x, y,
		: clock;

(* Parameters *)
	p,
		: parameter;



(************************************************************)
  automaton pta
(************************************************************)
synclabs: ;

loc l0: invariant x <= 1 & y <= p
	when x >= 1 do {x := 0} goto l0;
	when y >= 2 goto lGoal;

accepting loc lGoal: invariant True
	when True goto lGoal;

end (* pta *)



(************************************************************)
(* Initial state *)
(************************************************************)

init :=
	(*------------------------------------------------------------*)
	(* Initial location *)
	(*------------------------------------------------------------*)
	& loc[pta] = l0

	(*------------------------------------------------------------*)
	(* Initial clock constraints *)
	(*------------------------------------------------------------*)
	& x = 0
	& y = 0

	(*------------------------------------------------------------*)
	(* Parameter constraints *)
	(*------------------------------------------------------------*)
	& p >= 0
;


(************************************************************)
(* The end *)
(************************************************************)
end