FitFramework/Minigrid2PRISM/grid.prism

smg

player Agent
	[Agent_move_north], [Agent_move_east], [Agent_move_south], [Agent_move_west], [Agent_turn_left], [Agent_turn_right]
endplayer
player Blue
	[Blue_move_north], [Blue_move_east], [Blue_move_south], [Blue_move_west], [Blue_turns]
endplayer

global move : [0..1] init 0;

label AgentOnBlue = (xAgent=1&yAgent=1) | (xAgent=1&yAgent=4) | (xAgent=1&yAgent=5) | (xAgent=2&yAgent=1) | (xAgent=2&yAgent=5);
label BlueOnBlue = (xBlue=1&yBlue=1) | (xBlue=1&yBlue=4) | (xBlue=1&yBlue=5) | (xBlue=2&yBlue=1) | (xBlue=2&yBlue=5);
label AgentOnGreen = (xAgent=3&yAgent=1) | (xAgent=3&yAgent=2) | (xAgent=3&yAgent=3) | (xAgent=3&yAgent=4) | (xAgent=3&yAgent=5) | (xAgent=4&yAgent=1) | (xAgent=4&yAgent=5) | (xAgent=5&yAgent=1) | (xAgent=5&yAgent=2) | (xAgent=5&yAgent=3) | (xAgent=5&yAgent=4) | (xAgent=5&yAgent=5);
label BlueOnGreen = (xBlue=3&yBlue=1) | (xBlue=3&yBlue=2) | (xBlue=3&yBlue=3) | (xBlue=3&yBlue=4) | (xBlue=3&yBlue=5) | (xBlue=4&yBlue=1) | (xBlue=4&yBlue=5) | (xBlue=5&yBlue=1) | (xBlue=5&yBlue=2) | (xBlue=5&yBlue=3) | (xBlue=5&yBlue=4) | (xBlue=5&yBlue=5);
label AgentOnRed = (xAgent=1&yAgent=2) | (xAgent=1&yAgent=3);
label BlueOnRed = (xBlue=1&yBlue=2) | (xBlue=1&yBlue=3);
formula AgentCannotMoveNorth = (xAgent=1&yAgent=2) | (xAgent=1&yAgent=3) | (xAgent=1&yAgent=4) | (xAgent=1&yAgent=5) | (xAgent=3&yAgent=2) | (xAgent=3&yAgent=4) | (xAgent=5&yAgent=2) | (xAgent=5&yAgent=4) | (xAgent=3&yAgent=3) | (xAgent=5&yAgent=3) | (xAgent=1&yAgent=1);
formula AgentCannotMoveEast  = (xAgent=1&yAgent=5) | (xAgent=2&yAgent=1) | (xAgent=2&yAgent=5) | (xAgent=3&yAgent=5) | (xAgent=4&yAgent=5) | (xAgent=4&yAgent=1) | (xAgent=5&yAgent=5);
formula AgentCannotMoveSouth = (xAgent=1&yAgent=2) | (xAgent=1&yAgent=3) | (xAgent=1&yAgent=4) | (xAgent=3&yAgent=2) | (xAgent=3&yAgent=4) | (xAgent=5&yAgent=1) | (xAgent=5&yAgent=2) | (xAgent=5&yAgent=4) | (xAgent=3&yAgent=3) | (xAgent=5&yAgent=3) | (xAgent=5&yAgent=5);
formula AgentCannotMoveWest  = (xAgent=2&yAgent=1) | (xAgent=2&yAgent=5) | (xAgent=3&yAgent=1) | (xAgent=4&yAgent=5) | (xAgent=5&yAgent=1) | (xAgent=1&yAgent=1) | (xAgent=4&yAgent=1);
formula AgentIsOnSlippery = false;

label AgentGoal = false;
formula BlueCannotMoveNorth = (xBlue=1&yBlue=2) | (xBlue=1&yBlue=3) | (xBlue=1&yBlue=4) | (xBlue=1&yBlue=5) | (xBlue=3&yBlue=2) | (xBlue=3&yBlue=4) | (xBlue=5&yBlue=2) | (xBlue=5&yBlue=4) | (xBlue=3&yBlue=3) | (xBlue=5&yBlue=3) | (xBlue=1&yBlue=1);
formula BlueCannotMoveEast  = (xBlue=1&yBlue=5) | (xBlue=2&yBlue=1) | (xBlue=2&yBlue=5) | (xBlue=3&yBlue=5) | (xBlue=4&yBlue=5) | (xBlue=4&yBlue=1) | (xBlue=5&yBlue=5);
formula BlueCannotMoveSouth = (xBlue=1&yBlue=2) | (xBlue=1&yBlue=3) | (xBlue=1&yBlue=4) | (xBlue=3&yBlue=2) | (xBlue=3&yBlue=4) | (xBlue=5&yBlue=1) | (xBlue=5&yBlue=2) | (xBlue=5&yBlue=4) | (xBlue=3&yBlue=3) | (xBlue=5&yBlue=3) | (xBlue=5&yBlue=5);
formula BlueCannotMoveWest  = (xBlue=2&yBlue=1) | (xBlue=2&yBlue=5) | (xBlue=3&yBlue=1) | (xBlue=4&yBlue=5) | (xBlue=5&yBlue=1) | (xBlue=1&yBlue=1) | (xBlue=4&yBlue=1);
formula BlueIsOnSlippery = false;

label BlueGoal = false;
label crash = (xAgent=xBlue)&(yAgent=yBlue);

module Agent
	xAgent : [1..6] init 1;
	yAgent : [1..6] init 1;

	viewAgent : [0..3] init 1;

	[Agent_turn_right]  move=0 &  true -> (viewAgent'=mod(viewAgent + 1, 4))  & (move'=1) ;
	[Agent_turn_left]   move=0 &  viewAgent>0 -> (viewAgent'=viewAgent - 1)  & (move'=1) ;
	[Agent_turn_left]   move=0 &  viewAgent=0 -> (viewAgent'=3)  & (move'=1) ;


	[Agent_move_north] move=0 &  viewAgent=3 &  !AgentIsOnSlippery & !AgentCannotMoveNorth -> (xAgent'=xAgent-1) & (move'=1) ;
	[Agent_move_east]  move=0 &  viewAgent=0 &  !AgentIsOnSlippery & !AgentCannotMoveEast  -> (yAgent'=yAgent+1) & (move'=1) ;
	[Agent_move_south] move=0 &  viewAgent=1 &  !AgentIsOnSlippery & !AgentCannotMoveSouth -> (xAgent'=xAgent+1) & (move'=1) ;
	[Agent_move_west]  move=0 &  viewAgent=2 &  !AgentIsOnSlippery & !AgentCannotMoveWest  -> (yAgent'=yAgent-1) & (move'=1) ;

endmodule

module Blue
	xBlue : [1..6] init 5;
	yBlue : [1..6] init 5;

	[Blue_turns]   move=1 &  true -> (xBlue'=xBlue) & (move'=0) ;


	[Blue_move_north] move=1 &   !BlueIsOnSlippery & !BlueCannotMoveNorth -> (xBlue'=xBlue-1) & (move'=0) ;
	[Blue_move_east]  move=1 &   !BlueIsOnSlippery & !BlueCannotMoveEast  -> (yBlue'=yBlue+1) & (move'=0) ;
	[Blue_move_south] move=1 &   !BlueIsOnSlippery & !BlueCannotMoveSouth -> (xBlue'=xBlue+1) & (move'=0) ;
	[Blue_move_west]  move=1 &   !BlueIsOnSlippery & !BlueCannotMoveWest  -> (yBlue'=yBlue-1) & (move'=0) ;

endmodule