module main {
    // Declarations
    var y1, r1 : boolean;
    var x2, y2, r2 : boolean;

    // Initial conditions
    init {
        y1 = false; // Example initial condition
        r1 = false; // Example initial condition
        y2 = false; // Example initial condition
        r2 = false; // Example initial condition
    }

    // Transition relation for Circuit C1
    next(y1) := r1;
    next(r1) := !r1;

    // Transition relation for Circuit C2
    next(y2) := x2 || r2;
    next(r2) := x2 || r2;

    // Input handling for Circuit C2
    input x2 : boolean;

    control {
        // Simulation or bounded model checking setup
        v = unroll(10);
        check;
        print_results;
    }
}
