mdp

module M

	s : [0..3];
	
	[go]  s=0 -> (s'=1);
	[mix] s=0 -> 1/2:(s'=1) + 1/2:(s'=s);
	[go]  s=1 -> (s'=2);
	[mix] s=1 -> 1/2:(s'=2) + 1/2:(s'=s);
	[go]  s=2 -> (s'=3);
	[mix] s=2 -> 1/2:(s'=3) + 1/2:(s'=s);
	[go] s>2 -> true;

endmodule

rewards "a"
	s=0: 2;
	[go] s=0: 3;
	s=1: 5;
	[go] s=1: 7;
	s=2: 11;
endrewards

rewards "b"
	s=0: 2;
	[] s=0: 3;
	s=1: 5;
	[] s=1: 7;
	s=2: 11;
	[] s=3: 13;
	s=3: 17;
endrewards