mdp

formula AgentCannotMoveEastWall = (colAgent=4&rowAgent=1) | (colAgent=4&rowAgent=2) | (colAgent=4&rowAgent=3) | (colAgent=4&rowAgent=4);
formula AgentCannotMoveNorthWall = (colAgent=3&rowAgent=1) | (colAgent=4&rowAgent=1) | (colAgent=1&rowAgent=1) | (colAgent=2&rowAgent=1);
formula AgentCannotMoveSouthWall = (colAgent=1&rowAgent=4) | (colAgent=3&rowAgent=4) | (colAgent=4&rowAgent=4) | (colAgent=2&rowAgent=4);
formula AgentCannotMoveWestWall = (colAgent=1&rowAgent=2) | (colAgent=1&rowAgent=3) | (colAgent=1&rowAgent=4) | (colAgent=1&rowAgent=1);
formula AgentIsOnSlippery = false;
formula AgentIsOnLava = (colAgent=2&rowAgent=1) | (colAgent=2&rowAgent=3) | (colAgent=2&rowAgent=4);
label "AgentIsOnLava" = AgentIsOnLava;
formula AgentIsOnGoal = (colAgent=4&rowAgent=4);
init
  true
endinit


module Agent
  colAgent : [1..4];
  rowAgent : [1..4];
  viewAgent : [0..3];

  [Agent_turn_right] !AgentIsOnLava &true -> 1.000000: (viewAgent'=mod(viewAgent+1,4));
  [Agent_turn_left] !AgentIsOnLava &viewAgent>0 -> 1.000000: (viewAgent'=viewAgent-1);
  [Agent_turn_left] !AgentIsOnLava &viewAgent=0 -> 1.000000: (viewAgent'=3);
  [Agent_move_North] viewAgent=3 & !AgentIsOnLava & !AgentIsOnGoal & !AgentCannotMoveNorthWall -> 1.000000: (rowAgent'=rowAgent-1);
  [Agent_move_East] viewAgent=0 & !AgentIsOnLava & !AgentIsOnGoal & !AgentCannotMoveEastWall -> 1.000000: (colAgent'=colAgent+1);
  [Agent_move_South] viewAgent=1 & !AgentIsOnLava & !AgentIsOnGoal & !AgentCannotMoveSouthWall -> 1.000000: (rowAgent'=rowAgent+1);
  [Agent_move_West] viewAgent=2 & !AgentIsOnLava & !AgentIsOnGoal & !AgentCannotMoveWestWall -> 1.000000: (colAgent'=colAgent-1);
endmodule