module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~a; // No change in functionality, just a comment added.

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= a; // Changed "~a" to "a".

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~a | a; // Changed "~a" to "~a | a", logical OR with itself, effectively making it always 1.

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~a & a; // Changed "~a" to "~a & a", logical AND with its inverse, effectively making it always 0.

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~a ^ a; // Changed "~a" to "~a ^ a", XOR with itself, should always be 1.

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~(a & a); // Changed "~a" to "~(a & a)", AND with itself then invert, same as original but more operations.

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(negedge clk) // Changed "posedge" to "negedge".
		q <= ~a;

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		if(a) q <= ~a; else q <= a; // Added an if-else condition, but it effectively does the same as "~a".

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~a ^ 1; // Changed "~a" to "~a ^ 1", XOR with 1, effectively inverting the value.

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

	always @(posedge clk)
		q <= ~a ? 1'b0 : 1'b1; // Changed "~a" to a ternary operation, which is essentially an inversion and then selecting based on the inversion, reversed logic.

endmodule


module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? B : A; // Changed C to B in this line
				B: state <= x ? B : C;
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? A : C; // Changed B to A in this line
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? B : C;
				C: state <= x ? A : C; // Changed B to A in this line
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state; // No change in state definition
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= B; // Changed initial state to B instead of A
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? B : C;
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2,D=3; // Added a new state D
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? B : C;
				C: state <= x ? B : C;
				// D state is not used, just defined
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : B; // Changed A to B in this line
				B: state <= x ? B : C;
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=3; // Changed C parameter value from 2 to 3
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? B : C;
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state;
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? C : B; // Changed C and B positions in this line
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == B); // Changed condition to state == B
endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [2:0] state; // Changed state register size from [1:0] to [2:0]
	always @(posedge clk, posedge areset) begin
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? B : C;
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

	parameter A=0,B=1,C=2;
	reg [1:0] state;
	always @(posedge clk) begin // Removed posedge areset from sensitivity list
		if (areset)
			state <= A;
		else begin
			case (state)
				A: state <= x ? C : A;
				B: state <= x ? B : C;
				C: state <= x ? B : C;
			endcase
		end
	end

	assign z = (state == C);

endmodule


module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : A; // Change: None, comment for clarity
			B: next = in ? C : C; // Changed B to C when in=1
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? A : B; // Changed B to A for in=1
			B: next = in ? B : C;
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : A;
			B: next = in ? B : C;
			C: next = in ? D : A;
			D: next = in ? C : B; // Changed B to C when in=1
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : A;
			B: next = in ? B : C;
			C: next = in ? D : A;
			D: next = in ? B : D; // Changed C to D when in=0
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : A;
			B: next = in ? B : C;
			C: next = in ? A : D; // Changed D to A when in=0
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? C : A; // Changed B to C for in=1
			B: next = in ? B : C;
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : A;
			B: next = in ? B : A; // Changed C to A when in=0
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : B; // Changed A to B when in=0
			B: next = in ? B : C;
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? B : A;
			B: next = in ? C : B; // Changed C to B when in=0
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1, C=2, D=3;
	reg [1:0] state;
	reg [1:0] next;

    always_comb begin
		case (state)
			A: next = in ? D : A; // Changed B to D for in=1
			B: next = in ? B : C;
			C: next = in ? D : A;
			D: next = in ? B : C;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A;
        else state <= next;
	end

	assign out = (state==D);

endmodule


module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (r)
			q <= 1; // Changed the reset value to 1
		else
			q <= d;
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (r)
			q <= 0;
		else
			q <= ~d; // Complemented the input d before assignment
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(negedge clk) begin // Triggered on the negative edge of clk instead of positive
		if (r)
			q <= 0;
		else
			q <= d;
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (!r) // Changed the condition to negated reset
			q <= d;
		else
			q <= 0;
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (r)
			q <= d; // Assign d instead of 0 when reset is active
		else
			q <= d;
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (r)
			q <= 0;
		else
			q <= d;
	end
	assign q = r ? 0 : q; // Added a continuous assignment conflicting with the always block
endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk or posedge r) begin // Added posedge r to the sensitivity list
		if (r)
			q <= 0;
		else
			q <= d;
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		q <= r ? 1 : d; // Changed inline if condition to set q to 1 on reset
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (r)
			q <= 0;
		else
			q <= d & r; // Logical AND operation with reset signal, which will always be 0 when r is active
	end

endmodule

module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

	always@(posedge clk) begin
		if (r)
			q <= 0;
		else
			q <= d | r; // Logical OR with reset, effectively unchanged behavior but introduces redundancy
	end

endmodule


module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S; // No change
			S1: next = x ? S1 : S10; // No change
			S10: next = x ? S1 : S; // Changed S10 transition on '0' to S instead of S10
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S10 : S; // Changed S transition on '1' to S10 instead of S1
			S1: next = x ? S1 : S10;
			S10: next = x ? S1 : S;
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S10 : S10; // Changed S1 transition on '1' to S10 instead of S1
			S10: next = x ? S1 : S;
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S1 : S10;
			S10: next = x ? S10 : S; // Changed S10 transition on '1' to stay in S10 instead of moving to S1
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S1; // Changed initial state on reset to S1 instead of S
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S1 : S10;
			S10: next = x ? S1 : S;
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S1 : S10;
			S10: next = x ? S1 : S;
			default: next = S; // Changed default next state assignment from 'x to S
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 0; // Changed default z assignment from 'x to 0
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S1 : S10;
			S10: next = x ? S1 : S;
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 1; // Changed output z to 1 in state S
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S1 : S10;
			S10: next = x ? S10 : S10; // Made S10 sticky on any input
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S10 : S10; // Changed S1 transition on '0' to stay in S10
			S10: next = x ? S1 : S;
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0; // No change
			S10: z = !x; // Inverted output z in state S10
			default: z = 'x;
		endcase
	end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);
	parameter S=0, S1=1, S10=2;
	reg[1:0] state, next;

	always@(posedge clk, negedge aresetn)
		if (!aresetn)
			state <= S;
		else
			state <= next;

	always_comb begin
		case (state)
			S: next = x ? S1 : S;
			S1: next = x ? S1 : S10;
			S10: next = x ? S : S; // Changed S10 transition on '1' to S instead of S1
			default: next = 'x;
		endcase
	end

	always_comb begin
		case (state)
			S: z = 0;
			S1: z = 0;
			S10: z = x;
			default: z = 'x;
		endcase
	end

endmodule


module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A; // No change here
		else
			state <= next; // No change here

	always_comb begin
		case(state)
			A: next = w ? B : B; // Changed A to B when w is 1
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A; // No change here
		else
			state <= next; // No change here

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? F : F; // Changed A to F when w is 1
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= B; // Changed initial state to B on reset
		else
			state <= next;

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A; // No change here
		else
			state <= next; // No change here

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? C : C; // Changed D to C when w is 1
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A; // No change here
		else
			state <= next; // No change here

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? D : C;
			C: next = w ? E : E; // Changed D to E when w is 1
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A;
		else
			state <= next;

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? E : E; // Mutated self-loop condition for E
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == F || state == E); // No change here

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A; // No change here
		else
			state <= next; // No change here

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? F : F; // Mutated to go to F on both conditions
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A;
		else
			state <= next;

	always_comb begin
		case(state)
			A: next = w ? B : B; // Mutated A's transition on w=1 to B
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A;
		else
			state <= next;

	always_comb begin
		case(state)
			A: next = w ? A : B;
			B: next = w ? C : C; // Mutated next state on w=1 to C
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);
	parameter A=0, B=1, C=2, D=3, E=4, F=5;
	reg [2:0] state, next;

	always @(posedge clk)
		if (reset)
			state <= A; // No change here
		else
			state <= next; // No change here

	always_comb begin
		case(state)
			A: next = w ? B : A; // Mutated A's transition on w=0 to A
			B: next = w ? D : C;
			C: next = w ? D : E;
			D: next = w ? A : F;
			E: next = w ? D : E;
			F: next = w ? D : C;
			default: next = 'x;
		endcase
	end

	assign z = (state == E || state == F);

endmodule


module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			// Modification: Change next state after DONE from BYTE2 to BYTE3
			DONE: next = in3 ? BYTE3 : BYTE1; // Changed BYTE2 to BYTE3
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			// Modification: Delay transition from BYTE3 to DONE
			BYTE3: next = in3 ? BYTE3 : DONE; // Changed next condition for BYTE3
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
	// Modification: Change how out_bytes_r is assigned
		out_bytes_r <= {out_bytes_r[7:0], in}; // Changed shift width

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	// Modification: Change condition for valid out_bytes output
	assign out_bytes = (state!=BYTE1) ? out_bytes_r : 'x;  // Changed condition for output validity

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			// Modification: Change initial state transition condition
			BYTE1: next = in3 ? BYTE1 : BYTE2; // Changed next state logic for BYTE1
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
	// Modification: Change assignment operation for out_bytes_r
		out_bytes_r <= {in, out_bytes_r[23:8]}; // Changed data concatenation order

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			// Modification: Change state transition logic for DONE
			DONE: next = in3 ? BYTE1 : BYTE2; // Swapped conditions for BYTE1 and BYTE2
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	// Modification: Explicitly set out_bytes to 24'hffffff on reset
	assign out_bytes = reset ? 24'hffffff : (done ? out_bytes_r : 'x); // Added reset condition

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			// Modification: Remove explicit transition from BYTE2 to BYTE3
			BYTE2: next = in3 ? BYTE3 : BYTE2; // Added condition for BYTE2
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
		out_bytes_r <= {out_bytes_r[15:0], in};

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);
	parameter BYTE1=0, BYTE2=1, BYTE3=2, DONE=3;
	reg [1:0] state;
	reg [1:0] next;

    wire in3 = in[3];

    always_comb begin
		case (state)
			BYTE1: next = in3 ? BYTE2 : BYTE1;
			BYTE2: next = BYTE3;
			BYTE3: next = DONE;
			DONE: next = in3 ? BYTE2 : BYTE1;
		endcase
    end

    always @(posedge clk) begin
		if (reset) state <= BYTE1;
        else state <= next;
	end

	assign done = (state==DONE);

	reg [23:0] out_bytes_r;
	always @(posedge clk)
	// Modification: Initialize out_bytes_r with a non-zero value on reset
		if (reset) out_bytes_r <= 24'hA5A5A5; // Added non-zero initialization
		else out_bytes_r <= {out_bytes_r[15:0], in};

	assign out_bytes = done ? out_bytes_r : 'x;

endmodule


module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s <= { s[2] ^ x, ~s[1] & x, ~s[0] & x }; // Changed OR to AND in the last operation
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s <= { s[2] ^ ~x, ~s[1] & x, ~s[0] | x }; // Complemented the x in XOR operation
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s <= { s[2] ^ x, s[1] & x, ~s[0] | x }; // Removed complement from the second operation's ~s[1]
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s <= { s[2] | x, ~s[1] & x, ~s[0] | x }; // Changed XOR to OR in the first operation
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s <= { s[2] ^ x, ~s[1] & x, s[0] | x }; // Removed complement from the third operation's ~s[0]
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s <= { s[2] ^ x, ~s[1] | x, ~s[0] | x }; // Changed AND to OR in the second operation
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0; // No change here, example for unchanged line

	always @(posedge clk) begin
		s <= { s[2] ^ x, ~s[1] & x, ~s[0] | x }; // No actual change, demonstrating an untouched version as a control
	end

	assign z = ~&s; // Changed OR reduction to AND reduction in the assign statement for z

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 0;

	always @(posedge clk) begin
		s[2] <= s[2] ^ x; // Separated the assignment to individual bits
		s[1] <= ~s[1] & x; // and changed the structure of always block
		s[0] <= ~s[0] | x;
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:0] s = 1; // Changed initial value of s to 1

	always @(posedge clk) begin
		s <= { s[2] ^ x, ~s[1] & x, ~s[0] | x };
	end

	assign z = ~|s;

endmodule

module top_module (
	input clk,
	input x,
	output z
);

	reg [2:1] s = 0; // Changed reg vector width to [2:1] and adjusted the always block accordingly
	reg s0 = 0; // Created separate reg for s[0]

	always @(posedge clk) begin
		s <= { s[2] ^ x, ~s0 & x };
		s0 <= ~s0 | x; // Separately handling the third operation due to vector width change
	end

	assign z = ~|(s, s0);

endmodule


module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b1}) | // Changed 1'b0 to 1'b1 at the end of this line
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) | // Removed the NOT operation at the beginning
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) | // Removed one condition in this line
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) |
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) | // Removed NOT operation in the last term
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) |
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b1}) | // Changed 1'b0 to 1'b1 in the last term
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] | q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) | // Changed & to | for the first term
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-0] & {q[$bits(q)-2:0], 1'b0}) | // Changed q[$bits(q)-1:0] to q[$bits(q)-0]
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-3:0], 1'b0}) | // Changed q[$bits(q)-2:0] to q[$bits(q)-3:0]
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-2:0], 1'b0}) |
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{2{q[$bits(q)-2:0], 1'b0}}) |  // Doubled the last term with 2{...}
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else begin
			q <=
			~((q[$bits(q)-1:1] & q[$bits(q)-1:0] & {q[$bits(q)-1:0], 1'b0}) | // Changed {q[$bits(q)-2:0], 1'b0} to {q[$bits(q)-1:0], 1'b0}
			(~q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) |
			(q[$bits(q)-1:1] & ~q[$bits(q)-1:0] & ~{q[$bits(q)-2:0], 1'b0}) )
			;
		end
	end
endmodule


module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=1; // Changed the initial value of Q to 1
	always @(posedge clk)
		Q <= L ? r_in : q_in;

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(negedge clk) // Changed to negedge of clk
		Q <= L ? r_in : q_in;

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk)
		Q <= L ? r_in : !q_in; // Changed q_in to its negation

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk)
		Q <= !L ? r_in : q_in; // Inverted the condition L

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	// Removed initial Q=0; entirely
	always @(posedge clk)
		Q <= L ? r_in : q_in;

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk)
		Q <= L ? !r_in : q_in; // Changed r_in to its negation

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk) begin
		if(L) Q <= r_in; else Q <= q_in; // Changed ternary operator to if-else statement
	end

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk)
		Q <= L && q_in; // Changed the operation inside always block

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk)
		Q <= L ? q_in : r_in; // Swapped the operands of the ternary operator

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

	initial Q=0;
	always @(posedge clk)
		Q <= L ? r_in : {q_in}; // Enclosed q_in in braces, making it a single bit concatenation

endmodule


module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		if (reset)
			out <= '0; // Original: out <= '0;
		else
			out <= out & (~in & d_last); // Change: | to & to create mutant
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		if (reset)
			out <= '1; // Change: '0 to '1 to create mutant
		else
			out <= out | (~in & d_last);
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= ~in; // Change: d_last <= in; to d_last <= ~in; to create mutant
		if (reset)
			out <= '0;
		else
			out <= out | (~in & d_last);
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= {in[30:0], in[31]}; // Change: rotating bits in d_last assignment
		if (reset)
			out <= '0;
		else
			out <= out | (~in & d_last);
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		if (reset)
			out <= '0;
		else
			out <= out | (~in & {d_last[30:0], d_last[31]}); // Change: bit rotation in (~in & d_last)
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		if (reset) // Moved if reset condition outside d_last assignment
			d_last <= '0; // Change: Assigning '0 to d_last on reset
		else
			d_last <= in;
		if (reset)
			out <= '0;
		else
			out <= out | (~in & d_last);
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		if (reset)
			out <= '0;
		else
			out <= out ^ (~in & d_last); // Change: | to ^ for XOR mutant
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		if (!reset) // Change: if (reset) to if (!reset) for inverse reset logic
			out <= '0;
		else
			out <= out | (~in & d_last);
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= {d_last[0], d_last[31:1]}; // Change: Bit shuffle for d_last
		if (reset)
			out <= '0;
		else
			out <= out | (~in & d_last);
	end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		if (reset)
			out <= {out[30:0], out[31]}; // Change: Bit rotation in out assignment on reset
		else
			out <= out | (~in & d_last);
	end

endmodule


module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q <= d ^ 8'hFF; // Change: XOR operation with 0xFF to invert bits.

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h1; // Change: Initial value set to 1.

	always @(posedge clk)
		q <= d;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q <= {d[6:0], d[7]}; // Change: Rotate right operation.

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q[7:0] <= {d[0], d[7:1]}; // Change: Rotate left operation.

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q[7] <= d[7]; // Change: Only the MSB is assigned.
		always @(posedge clk)
			q[6:0] <= d[6:0];

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(negedge clk) // Change: Triggered by the negative edge of clk.
		q <= d;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q <= d & 8'hFF; // Change: AND operation with 0xFF, effectively no change but added operation.

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q <= d | 8'h00; // Change: OR operation with 0x00, effectively no change but added operation.

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h0;

	always @(posedge clk)
		q[0] <= d[0]; // Change: Only the LSB is assigned.
		always @(posedge clk)
			q[7:1] <= d[7:1];

endmodule

module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

	initial
		q = 8'h55; // Change: Initial value set to 0x55.

	always @(posedge clk)
		q <= d;

endmodule


module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 2; // Changed reset value to 2 ('2'b10) instead of 1 ('2'b01)
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state <= 3 && train_taken) // Changed '<' to '<=' which actually does not affect functionality due to saturation limit but is a logical change.
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 1;
            else if(state >= 0 && !train_taken) // Changed '>' to '>=' which does not logically change behavior but is incorrect in decrementing condition.
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 0; // Changed reset value to 0 ('2'b00)
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state < 2 && train_taken) // Modified the increment condition to saturate at 2 instead of 3
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 1;
            else if(state > 1 && !train_taken) // Modified the decrement condition to only allow decrementing when state is above 1
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 2; // Changed decrement step to 2 which could potentially underflow, thus altering functionality significantly.
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 2; // Changed increment step to 2 which might cause overflow in logic [1:0].
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 3; // Set reset value to maximum ('2'b11)
        else if (train_valid) begin
            if(state < 3 && train_taken)
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);
    always @(posedge clk, posedge areset) begin
        if (areset)
            state <= 1;
        else if (train_valid) begin
            if(state < 3) // Removed the condition checking 'train_taken', which alters functionality significantly.
                state <= state + 1;
            else if(state > 0 && !train_taken)
                state <= state - 1;
        end
    end
endmodule


module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 32'hFFFF_FFFF; // Changed from 0 to 32'hFFFF_FFFF
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history, train_taken};
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history[30:0], train_taken}; // Changed from train_history to train_history[30:0]
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history, train_taken};
            else if (predict_valid)
                predict_history <= {predict_history[30:0], predict_taken}; // Changed indexing from predict_history to predict_history[30:0]
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {predict_history, train_taken}; // Mistakenly used predict_history instead of train_history
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk) // Removed posedge areset condition
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history, train_taken};
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history, !train_taken}; // Inverted train_taken
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history <= 1; // Changed from = to <= for consistency
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history, train_taken};
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_taken, train_history}; // Swapped positions of train_taken and train_history
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history, train_taken};
            else // Removed condition for predict_valid
                predict_history <= {predict_history, predict_taken};
        end
endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);
    always@(posedge clk, posedge areset)
        if (areset) begin
            predict_history = 0;
        end else begin
            if (train_mispredicted)
                predict_history <= {train_history[31:1], train_taken}; // Sliced train_history from [31:1]
            else if (predict_valid)
                predict_history <= {predict_history, predict_taken};
        end
endmodule


module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hx;

	always @(posedge clk)
		q <= d; // Change: No modification, to show the original for comparison.

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'h0; // Change: Initial value changed from 1'hx to 1'h0.

	always @(posedge clk)
		q <= d;

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hx;

	always @(posedge clk)
		q <= ~d; // Change: d is inverted before assignment to q.

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'h1; // Change: Initial value changed from 1'hx to 1'h1.

	always @(posedge clk)
		q <= d;

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hx;

	always @(negedge clk) // Change: Triggered on the negative edge of clk instead of positive.
		q <= d;

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'b0; // Change: Changed width of initial value from 1'hx to 1'b0.

	always @(posedge clk)
		q <= d;

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hx;

	always @(posedge clk)
		if(d == 1'b1) q <= 1'b1; // Change: Only set q to 1 if d is 1, otherwise no change.
		else q <= q;

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hx;

	always @(posedge clk)
		q <= d | q; // Change: OR operation between d and q before assignment.

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hx;

	always @(posedge clk)
		q <= d & q; // Change: AND operation between d and q before assignment.

endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	initial
		q = 1'hz; // Change: Initial value changed from 1'hx to high impedance 1'hz.

	always @(posedge clk)
		q <= d;

endmodule


module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			if (q == 8) // Changed comparison from 9 to 8
				q <= 0;
			else
				q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 1; // Changed reset value from 0 to 1
		else if (slowena) begin
			if (q == 9)
				q <= 0;
			else
				q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			if (q == 9)
				q <= 1; // Changed reset value after reaching 9 from 0 to 1
			else
				q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			if (q == 9)
				q <= 0;
			else
				q <= q - 1; // Changed increment to decrement
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (!slowena) begin // Changed condition to !slowena
			if (q == 9)
				q <= 0;
			else
				q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q = 1); // Initialized q with 1 instead of default 0

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			if (q == 9)
				q <= 0;
			else
				q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (!reset) // Changed condition from if (reset) to if (!reset)
			q <= 0;
		else if (slowena) begin
			if (q == 9)
				q <= 0;
			else
				q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			// Removed the conditional check entirely, always increment
			q <= q+1;
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			if (q == 9)
				q <= 0;
			else
				q <= q + 2; // Changed increment from +1 to +2
		end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (slowena) begin
			if (q >= 9) // Changed condition from == to >=
				q <= 0;
			else
				q <= q+1;
		end

endmodule


module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin // Change: Modified the always_comb to always @* for sensitivity list
		case (state)
			A: next = in ? A : B;
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B; // Change: Flipped the condition to cause a minor logical change
			B: next = in ? A : B; // Also modified here for consistency
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= A; // Change: Modified the reset state to A instead of B
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = !(state==B); // Change: Inverted the output logic

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next = A; // Change: Initialized next with A

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = !in ? B : A; // Change: Inverted the in condition for state B
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? B : A; // Change: Flipped the output state for condition A
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= !next; // Change: Inverted the next signal
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = in ? B : A;
		endcase
    end

    always @(posedge clk) begin // Change: Removed posedge areset from sensitivity list
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);
	parameter A=0, B=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			A: next = in ? A : B;
			B: next = in ? A : B; // Change: Made state B transition logic same as A
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= B;
        else state <= next;
	end

	assign out = (state==B);

endmodule


module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;  // No change here
    always @(negedge clk)
        qn <= d;  // No change here
    // assign q = clk ? qp : qn;
    always @(*)
        q <= clk ? qn : qp;  // Swapped qn and qp
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= ~d;  // Inverting d on positive edge
    always @(negedge clk)
        qn <= d;
    always @(*)
        q <= clk ? qp : qn;
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;
    always @(negedge clk)
        qn <= ~d;  // Inverting d on negative edge
    always @(*)
        q <= clk ? qp : qn;
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;
    always @(negedge clk)
        qn <= d;  // No change here
    always @(*)
        q <= qp;  // Changed to always output qp, disregarding clk
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;
    always @(negedge clk)
        qn <= d;  // No change here
    always @(*)
        q <= qn;  // Changed to always output qn, disregarding clk
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;
    // Removed the always block for negedge clk
    always @(*)
        q <= clk ? qp : qn;
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    // Removed the always block for posedge clk
    always @(negedge clk)
        qn <= d;
    always @(*)
        q <= clk ? qp : qn;
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;
    always @(negedge clk)
        qn <= d;
    always @(*)
        q <= !clk ? qp : qn;  // Inverted clk condition
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;
    always @(negedge clk)
        qn <= d;
    always @(*)
        q <= qp & qn;  // Logical AND of qp and qn
endmodule

module top_module(
	input clk,
	input d,
	output reg q);

	reg qp, qn;
    always @(posedge clk)
        qp <= d;  // No change here
    always @(negedge clk)
        qn <= d;  // No change here
    always @(*)
        q <= qp | qn;  // Logical OR of qp and qn, disregarding clk
endmodule


module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else if (ena == 2'h1)
			q <= {q[1:0], q[99:2]}; // Modified rotation pattern for right rotation
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[97:0], q[99:98]}; // Modified rotation pattern for left rotation
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= {data[98:0], data[99]}; // Modified load pattern slightly
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else if (ena == 2'h0) // Incorrectly reacting to ena == 2'h0 by rotating right which should not rotate
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= !data; // Modified the load operation with bitwise NOT operation
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else if (ena == 2'h1)
			q <= {q[99], q[99:1]}; // Wrongly kept q[99] at both ends in right rotation
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[98:0], q[0]}; // Swapped q[99] with q[0] for left rotation, incorrect logic
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= {1'b0, data[99:1]}; // Altered load operation to include a leading zero
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= data;
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]}; // Unchanged, but let's pretend it's for consistency
		else if (ena == 2'h3) // Changed ena condition to a non-functional state (should not rotate but it's coded to)
			q <= {q[98:0], q[99]};
	end
endmodule

module top_module(
	input clk,
	input load,
	input [1:0] ena,
	input [99:0] data,
	output reg [99:0] q);

	always @(posedge clk) begin
		if (load)
			q <= {data[0], data[99:1]}; // Altered load operation by swapping bits
		else if (ena == 2'h1)
			q <= {q[0], q[99:1]};
		else if (ena == 2'h2)
			q <= {q[98:0], q[99]};
	end
endmodule


module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset || q == 998) // Changed comparison from 999 to 998
			q <= 0;
		else
			q <= q+1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset)
			q <= 1; // Changed reset value from 0 to 1
		else if (q == 999)
			q <= 0;
		else
			q <= q+1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset || q == 999)
			q <= 0;
		else
			q <= q+2; // Changed increment from q+1 to q+2

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset || q == 999)
			q <= 0;
		else
			q <= q - 1; // Changed increment from q+1 to q-1, making it a decrement

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset || q == 999)
			q <= 0;
		else
			q <= q+1;
	always @(negedge clk) // Added block for negedge clk
		q <= q;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (q == 999)
			q <= 1; // Changed reset value after reaching 999 from 0 to 1
		else
			q <= q+1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset || q == 997) // Changed comparison from 999 to 997
			q <= 0;
		else
			q <= q+1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (q == 999)
			q <= 0;
		else
			q <= q + 3; // Changed increment from q+1 to q+3
endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (q == 999)
			q <= q; // Changed reset logic to keep q unchanged when q == 999
		else
			q <= q+1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [9:0] q);

	always @(posedge clk)
		if (reset || q == 999)
			q <= 10; // Changed reset value from 0 to 10
		else
			q <= q+1;

endmodule


module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&Q | ~k&Q; // Changed ~Q to Q in j&~Q
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&~Q | k&Q; // Removed the negation of k
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j|~k&Q; // Changed & to | between j and ~Q
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&~Q | ~k&~Q; // Changed Q to ~Q in ~k&Q
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= ~j&~Q | ~k&Q; // Negated j in j&~Q
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&~Q; // Removed the ~k&Q part
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&~Q | ~k&Q | j&k; // Added j&k condition
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&~Q | ~k; // Removed the Q in ~k&Q
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j | ~k&Q; // Removed the &~Q in j&~Q
endmodule

module top_module (
	input clk,
	input j,
	input k,
	output reg Q
);

	always @(posedge clk)
		Q <= j&~Q | ~k&Q ^ j; // Added XOR with j at the end
endmodule


module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WR : WL; // Unchanged
			WR: next = bump_right ? WR: WR; // Changed WL to WR in bump_right case
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WL : WL; // Changed WR to WL in bump_left case
			WR: next = bump_right ? WL: WR;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WR; // Changed state <= WL to state <= WR
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin // Changed always_comb to always @(*)
		case (state)
			WL: next = bump_left ? WR : WL;
			WR: next = bump_right ? WL: WR;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WR); // Changed (state==WL) to (state==WR)
	assign walk_right = (state==WL); // Changed (state==WR) to (state==WL)
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = !bump_left ? WR : WL; // Changed bump_left ? WR : WL to !bump_left ? WR : WL
			WR: next = bump_right ? WL: WR;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WR : WR; // Changed WL to WR in no bump_left case
			WR: next = bump_right ? WL: WL; // Changed WR to WL in no bump_right case
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left && bump_right ? WR : WL; // Added bump_right in condition
			WR: next = bump_left && bump_right ? WL: WR; // Added bump_left in condition
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WL : WR; // Inverted the actions for bump_left
			WR: next = bump_right ? WR: WL; // Inverted the actions for bump_right
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WR : WL;
			WR: next = !bump_right ? WL: WR; // Changed bump_right ? WL: WR to !bump_right ? WL: WR
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WR : WL;
			WR: next = bump_right ? WL: WR;
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WR; // Changed initial state to WR on reset
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule

module top_module (
	input clk,
	input areset,
	input bump_left,
	input bump_right,
	output walk_left,
	output walk_right
);
	parameter WL=0, WR=1;
	reg state;
	reg next;

    always_comb begin
		case (state)
			WL: next = bump_left ? WR : WR; // Changed next state to always WR when in WL state
			WR: next = bump_right ? WL: WL; // Changed next state to always WL when in WR state
		endcase
    end

    always @(posedge clk, posedge areset) begin
		if (areset) state <= WL;
        else state <= next;
	end

	assign walk_left = (state==WL);
	assign walk_right = (state==WR);
endmodule


module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data;
		else if(count_value != 0) count_value <= count_value - 2; // Change: decrement by 2 instead of 1

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data + 1; // Change: add 1 to data when loading
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [8:0] count_value; // Change: count_value bit width decreased to 9 bits

	always @(posedge clk)
		if(load) count_value <= data[8:0]; // Adjusted for the bit width change
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data;
		else if(count_value != 1) count_value <= count_value - 1; // Change: do not decrement if count_value is 1

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data;
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = (count_value == 0) ? 1'b0 : 1'b1; // Change: invert the logic of tc

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(negedge clk) // Change: Triggered on negedge of clk instead of posedge
		if(load) count_value <= data;
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data;
		// Change: Always decrement, regardless of count_value being 0 or not
		else count_value <= count_value - 1;

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data;
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = !count_value; // Change: Simplify the assignment to tc

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= ~data; // Change: Invert data when loading
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = count_value == 0;

endmodule

module top_module(
	input clk,
	input load,
	input [9:0] data,
	output tc
);
	logic [9:0] count_value;

	always @(posedge clk)
		if(load) count_value <= data;
		else if(count_value != 0) count_value <= count_value - 1;

	assign tc = (count_value == 1); // Change: tc asserts when count_value is 1 instead of 0

endmodule


module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (reset)
			q <= 8'hFF; // Change: q reset value changed from 0 to 0xFF
		else
			q <= d;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk or posedge reset) // Change: Added reset as a trigger in always block
		if (reset)
			q <= 0;
		else
			q <= d;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (!reset) // Change: Inverted the condition check for reset
			q <= d;
		else
			q <= 0;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= {d[6:0], 1'b0}; // Change: Least significant bit of d set to 0 before assignment

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(negedge clk) // Change: Triggered on the negative edge of clk instead of positive
		if (reset)
			q <= 0;
		else
			q <= d;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		q <= reset ? 8'b10101010 : d; // Change: q reset value changed to a pattern 0xAA

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= d ^ 8'hFF; // Change: XOR operation with all 1's to flip bits of d before assignment

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (reset)
			q[7:0] <= {8{1'b1}}; // Change: Set q to all 1s on reset
		else
			q <= d;

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= d << 1; // Change: Left shift d by 1 before assignment

endmodule

module top_module(
	input clk,
	input [7:0] d,
	input reset,
	output reg [7:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= {1'b1, d[7:1]}; // Change: Most significant bit of d set to 1 before assignment

endmodule


module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		anyedge <= in ~^ d_last; // Change: using XNOR (~^) instead of XOR (^)
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		anyedge[7:1] <= in[7:1] ^ d_last[7:1]; // Change: exclude LSB from operation
		anyedge[0] <= in[0] ^ d_last[0];
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;
	reg [7:0] d_last2; // Change: added an extra register for holding past values

	always @(posedge clk) begin
		d_last <= in;
		d_last2 <= d_last; // This change introduces a delay in detection
		anyedge <= in ^ d_last2;
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(posedge clk) begin
		d_last <= {d_last[6:0], in[7]}; // Change: shift left and input MSB
		anyedge <= in ^ d_last;
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [8:0] d_last; // Change: Increased register size by 1 bit

	always @(posedge clk) begin
		d_last <= {1'b0, in}; // Prepending a bit to keep register size consistent
		anyedge <= in ^ d_last[8:1]; // Adjusted indexing due to register size change
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(posedge clk) begin
		d_last <= {in[0], d_last[7:1]}; // Change: Rotate right the d_last on every clock
		anyedge <= in ^ d_last;
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(posedge clk) begin
		d_last <= in;
		anyedge[7:0] <= {in[6:0] ^ d_last[6:0], in[7] ^ d_last[7]}; // Change: Swapping MSB processing
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(posedge clk) begin
		d_last[7:1] <= in[7:1]; // Change: MSB of d_last never updates
		anyedge <= in ^ d_last;
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	// Change: Removed the d_last register
	always @(posedge clk) begin
		anyedge <= in ^ anyedge; // This uses the previous anyedge value for comparison, introducing a potential logical flaw
	end

endmodule

module top_module(
	input clk,
	input [7:0] in,
	output reg [7:0] anyedge);

	reg [7:0] d_last;

	always @(negedge clk) begin // Change: Trigger on negative clock edge
		d_last <= in;
		anyedge <= in ^ d_last;
	end

endmodule


module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 4; // No change
		else if (q == 5)  // Changed comparison value from 6 to 5
			q <= 0;
		else
			q <= q + 1'b1;

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 3; // Changed assignment value from 4 to 3
		else if (q == 6)
			q <= 0;
		else
			q <= q + 1'b1;

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 4;
		else if (q == 6)
			q <= 1; // Changed reset value from 0 to 1
		else
			q <= q + 1'b1;

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 4;
		else if (q == 6)
			q <= 0;
		else
			q <= q + 1; // Removed explicit bit addition

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 4;
		else if (q == 6)
			q <= 0;
		else
			q <= q - 1'b1; // Changed increment to decrement

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 5; // Changed value to set q to 5 instead of 4
		else if (q == 6)
			q <= 0;
		else
			q <= q + 1'b1;

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 4;
		else if (q == 7) // Changed comparison value from 6 to 7, unreachable in 3 bits
			q <= 0;
		else
			q <= q + 1'b1;

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 4;
		else if (q == 6)
			q <= 0;
		else
			q <= q + 2'b10; // Changed increment value from 1 to 2

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (a)
			q <= 0; // Changed to set q to 0 instead of 4
		else if (q == 6)
			q <= 0;
		else
			q <= q + 1'b1;

endmodule

module top_module (
	input clk,
	input a,
	output reg [2:0] q
);

	always @(posedge clk)
		if (!a)  // Changed the condition to negate 'a'
			q <= 4;
		else if (q == 6)
			q <= 0;
		else
			q <= q + 1'b1;

endmodule


module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = q[4:1];
		q_next[4] = q[0];
		q_next[2] ^= q[0]; // Original: q_next[2] ^= q[0]; Mutation: No change here to highlight this is the original line intended for mutation in the explanation.
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1F; // Mutation: Changed reset value from 5'h1 to 5'h1F.
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = q[4:0]; // Mutation: Changed from q[4:1] to q[4:0], keeping q[0] in the next state.
		q_next[4] = q[0];
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(posedge clk) begin // Mutation: Changed sensitivity list from @(q) to @(posedge clk).
		q_next = q[4:1];
		q_next[4] = q[0];
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = q[4:1];
		q_next[4] = !q[0]; // Mutation: Changed q[0] to !q[0], inverting q[0] for q_next[4].
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = q[4:1];
		q_next[4] = q[0];
		q_next[3] ^= q[0]; // Mutation: Changed bit for XOR from q_next[2] to q_next[3].
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = {q[3:0], q[4]}; // Mutation: Changed q_next assignment strategy.
		q_next[4] = q[0];
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = q[4:1];
		q_next[4] = ~q[0]; // Mutation: Changed q[0] to ~q[0], bitwise NOT operation.
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next[0] = q[4]; // Mutation: Added this line, changing the next value of q[0].
		q_next[1:4] = q[0:3];
		q_next[4] = q[0];
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next = q[4:1];
		q_next[4] = q[0];
		q_next[2] ^= !q[0]; // Mutation: Changed q_next[2] to XOR with !q[0] instead of q[0].
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule

module top_module(
	input clk,
	input reset,
	output reg [4:0] q);

	logic [4:0] q_next;
	always @(q) begin
		q_next[4:2] = q[3:1]; // Mutation: Changed the shift direction of q_next.
		q_next[1] = q[0];
		q_next[0] = q[4];
		q_next[2] ^= q[0];
	end

	always @(posedge clk) begin
		if (reset)
			q <= 5'h1;
		else
			q <= q_next;
	end
endmodule


module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 1; // Changed reset value from 0 to 1
		else
			q <= q+1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= q - 1; // Changed increment to decrement, counts down instead of up

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else if (q == 15) // Added condition to stop counting after reaching 15
			q <= q;
		else
			q <= q + 1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(negedge clk) // Changed posedge to negedge
		if (reset)
			q <= 0;
		else
			q <= q + 1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= q + 2; // Changed increment value from 1 to 2

endmodule

module top_module(
	input clk,
	input reset,
	output reg [2:0] q); // Changed output register size from 4 bits to 3 bits

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= q + 1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (!reset) // Changed reset condition to negate reset
			q <= 0;
		else
			q <= q + 1;

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q <= (q + 1) & 15; // Added bitwise AND to limit the maximum value

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk) begin
		if (reset)
			q <= 0;
		else
			q <= {q[2:0], q[3]}; // Rotate left the bits of q
	end

endmodule

module top_module(
	input clk,
	input reset,
	output reg [3:0] q);

	always @(posedge clk)
		if (reset)
			q <= 0;
		else
			q[3:1] <= q[2:0]; // Shift left the bits of q, leaving LSB unchanged
			q[0] <= q[3]; // This was added to rotate the MSB to LSB

endmodule