dtmc

// the param constant
const double p;

module M1
  s: [0..1] init 0;

  // Unsupported: Can not use parametric constant in the 'if' part of an
  // ITE expression for probabilities
  [] s<=1 -> (p>0.5 ? 1 : 0):(s'=1) + (p>0.5 ? 0 : 1):(s'=0);
endmodule