module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (in1 ^ in2) ^ in3; // Changed ~() to ()
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = ~((in1 ^ in2) ^ in3); // Added ~ outside the expression
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 ^ in2)) ^ ~in3; // Changed in3 to ~in3
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 ~^ in2)) ^ in3; // Changed ^ to ~^ for in1 and in2
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 ^ in2)) ~^ in3; // Changed ^ to ~^ for the final operation
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 | in2)) ^ in3; // Changed ^ to | between in1 and in2
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 & in2)) ^ in3; // Changed ^ to & between in1 and in2
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = ((in1 ^ in2) ^ in3); // Removed one layer of ~()
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 ^ in2)) ^ !in3; // Changed in3 to !in3
endmodule

module top_module (
	input in1,
	input in2,
	input in3,
	output logic out
);

	assign out = (~(in1 ^ in2)) ^ (in3 & in3); // Changed in3 to (in3 & in3)
endmodule


module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c & d; // Changed | to &
	assign mux_in[1] = 0;
	assign mux_in[2] = ~d;
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c | d;
	assign mux_in[1] = 1; // Changed 0 to 1
	assign mux_in[2] = ~d;
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c | d;
	assign mux_in[1] = 0;
	assign mux_in[2] = d; // Removed ~
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c | d;
	assign mux_in[1] = 0;
	assign mux_in[2] = ~d;
	assign mux_in[3] = c|d; // Changed & to |

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = ~c | d; // Added ~ to c
	assign mux_in[1] = 0;
	assign mux_in[2] = ~d;
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c | d;
	assign mux_in[1] = ~(c | d); // Added ~(c | d)
	assign mux_in[2] = ~d;
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c | d;
	assign mux_in[1] = 0;
	assign mux_in[2] = ~c;	// Changed ~d to ~c
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c; // Removed | d
	assign mux_in[1] = 0;
	assign mux_in[2] = ~d;
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = d; // Removed c |
	assign mux_in[1] = 0;
	assign mux_in[2] = ~d;
	assign mux_in[3] = c&d;

endmodule

module top_module (
	input c,
	input d,
	output [3:0] mux_in
);

	assign mux_in[0] = c | d;
	assign mux_in[1] = 0;
	assign mux_in[2] = ~d;
	assign mux_in[3] = !(c|d); // Changed c&d to !(c|d)

endmodule


module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1;
			4'h1: f = 1;
			4'h2: f = 0;
			4'h3: f = 0;
			4'h4: f = 1;
			4'h5: f = 1;
			4'h6: f = 1;
			4'h7: f = 0;
			4'h8: f = 0;
			4'h9: f = 0; // Change: Original was "4'h9: f = 0;"
			4'ha: f = 1; // Mutant: Changed "f = 0" to "f = 1"
			4'hb: f = 0;
			4'hc: f = 1;
			4'hd: f = 0;
			4'he: f = 1;
			4'hf: f = 1;
		endcase
	end

endmodule


module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			16'he075: up = 1;
			// Change: Added an extra case that does nothing, essentially a no-op
			16'he000: ;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		// Change: Initially set {up, left, down, right} to 4'b0001 instead of 0
		{up, left, down, right} = 4'b0001;
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			16'he075: up = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		// Change: Swapped the order of cases
		case (scancode)
			16'he075: up = 1;
			16'he06b: left = 1;
			16'he074: right = 1;
			16'he072: down = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			// Change: Changed the scancode for up arrow
			16'he076: up = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		case (scancode)
			// Change: Changed the scancode for left arrow
			16'he06c: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			16'he075: up = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			16'he075: up = 1;
			// Change: Incorrectly mapped scancode for an additional output, should not affect original functionality
			16'he077: up = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	// Change: Inverted the initial condition for one of the outputs
	always @(*) begin
		{up, left, down, right} = 4'b1000;
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			16'he075: up = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		// Change: Added a default case that sets all outputs to 1
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			16'he074: right = 1;
			16'he075: up = 1;
			default: {up, left, down, right} = 4'b1111;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		case (scancode)
			16'he06b: left = 1;
			16'he072: down = 1;
			// Change: Removed the case for right arrow
			// 16'he074: right = 1;
			16'he075: up = 1;
		endcase
	end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

	always @(*) begin
		{up, left, down, right} = 0;
		case (scancode)
			16'he06b: left = 1;
			// Change: Combined cases for down and right arrows
			16'he072, 16'he074: {down, right} = 2'b11;
			16'he075: up = 1;
		endcase
	end

endmodule


module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a + b + cin; // No change, for reference

endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a - b + cin; // Changed '+' to '-' between a and b
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a + b - cin; // Changed '+' to '-' for cin
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {sum, cout} = a + b + cin; // Swapped cout and sum in the assignment
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = {1'b0, a + b + cin}; // Added a constant bit '0' at the beginning of the result
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a & b + cin; // Changed '+' to '&' between a and b
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a + b + {cin}; // Enclosed cin in braces, no effective change but syntax variation
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a + b + cin ^ 1'b1; // Added XOR with 1 to the sum of a, b, and cin
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = (a + b + cin) | 1'b1; // Added OR with 1 to the result
endmodule

module top_module (
	input a,
	input b,
	input cin,
	output cout,
	output sum
);

	assign {cout, sum} = a + !b + cin; // Added logical NOT to b
endmodule


module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0; // No change here; included for reference
			4'h2: pos = 2'h2; // Changed pos from 2'h1 to 2'h2
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h1; // Changed pos from 2'h0 to 2'h1
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h1; // Changed pos from 2'h2 to 2'h1
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h1; // Changed pos from 2'h0 to 2'h1
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h1; // Changed pos from 2'h0 to 2'h1
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h1; // Changed pos from 2'h0 to 2'h1
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h2; // Changed pos from 2'h1 to 2'h2
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h1; // Changed pos from 2'h0 to 2'h1
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h2; // Changed pos from 2'h3 to 2'h2
			4'h9: pos = 2'h0;
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule

module top_module (
	input [3:0] in,
	output reg [1:0] pos
);

	always @(*) begin
		case (in)
			4'h0: pos = 2'h0;
			4'h1: pos = 2'h0;
			4'h2: pos = 2'h1;
			4'h3: pos = 2'h0;
			4'h4: pos = 2'h2;
			4'h5: pos = 2'h0;
			4'h6: pos = 2'h1;
			4'h7: pos = 2'h0;
			4'h8: pos = 2'h3;
			4'h9: pos = 2'h1; // Changed pos from 2'h0 to 2'h1
			4'ha: pos = 2'h1;
			4'hb: pos = 2'h0;
			4'hc: pos = 2'h2;
			4'hd: pos = 2'h0;
			4'he: pos = 2'h1;
			4'hf: pos = 2'h0;
			default: pos = 2'b0;
		endcase
	end

endmodule


module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x+y; // Changed: No change in code; serves as a baseline for comparison.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x+y+1; // Change: Added 1 to the sum.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = {1'b0,x} + {1'b0,y}; // Change: Explicitly extended both operands to 5 bits before addition.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x+y-1; // Change: Subtracted 1 from the sum.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x-y; // Change: Changed addition to subtraction.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = {x[3], x} + {y[3], y}; // Change: Extended each operand to 5 bits using MSB before addition.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x+y; // Change: No functional change; included for diversity.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x^y; // Change: Changed addition to XOR operation.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = (x+y)^5'b00001; // Change: XORed the result with 1.
endmodule

module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

	assign sum = x|y; // Change: Changed addition to OR operation.
endmodule


module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = vec;
    assign {o2, o1, o0} = {vec[1], vec[0], vec[2]}; // Changed the ordering in the bit assignment

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = {vec[0], vec[2], vec[1]}; // Changed the order of bits in the output vector
    assign {o2, o1, o0} = vec;

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = vec;
    assign {o2, o0, o1} = vec; // Swapped o1 and o0 in the bit assignment

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = ~vec; // Inverted the bits of vec for the output vector
    assign {o2, o1, o0} = vec;

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = {3{vec[0]}}; // Replicated the first bit of vec across the outv
    assign {o2, o1, o0} = vec;

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = vec;
    assign {o2, o1, o0} = vec ^ 3'b101; // XORed vec with a bit pattern before assignment

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = vec;
    assign {o2, o1} = vec[2:1]; // Only assigned the first two bits, leaving o0 disconnected
    // o0 is not assigned

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = {vec[1:0], vec[2]}; // Rearranged bits in outv
    assign {o2, o1, o0} = vec;

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = vec;
    assign {o2, o1, o0} = {2'b00, vec[0]}; // Only the least significant bit of vec is used, zeros for others

endmodule

module top_module(
    input [2:0] vec,
    output [2:0] outv,
    output o2,
    output o1,
    output o0
);

    assign outv = {vec[2], vec[2:1]}; // Incorrect bit-width for assignment, potentially causing a warning
    assign {o2, o1, o0} = vec;

endmodule


module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]&w; // Unchanged
    assign Y3 = (y[1]|y[2]|y[4]|y[5]) & w; // Changed ~w to w
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]|w; // Changed & to |
    assign Y3 = (y[1]|y[2]|y[4]|y[5]) & ~w; // Unchanged
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]&w; // Unchanged
    assign Y3 = (y[1]&y[2]|y[4]|y[5]) & ~w; // Changed | to & between y[1] and y[2]
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = !y[0]&w; // Changed y[0] to !y[0]
    assign Y3 = (y[1]|y[2]|y[4]|y[5]) & ~w; // Unchanged
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]&w; // Unchanged
    assign Y3 = (y[0]|y[1]|y[2]|y[4]|y[5]) & ~w; // Added y[0] to the Y3 condition
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = (y[0]&w) | y[1]; // Added y[1] to the Y1 condition
    assign Y3 = (y[1]|y[2]|y[4]|y[5]) & ~w; // Unchanged
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]&w; // Unchanged
    assign Y3 = (y[1]|y[2]|y[4]) & ~w; // Removed y[5] from the Y3 condition
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]&!w; // Changed w to !w for Y1
    assign Y3 = (y[1]|y[2]|y[4]|y[5]) & ~w; // Unchanged
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = (y[0]^w); // Changed & to ^ for Y1
    assign Y3 = (y[1]|y[2]|y[4]|y[5]) & ~w; // Unchanged
endmodule

module top_module (
    input [5:0] y,
    input w,
    output Y1,
    output Y3
);
    assign Y1 = y[0]&w; // Unchanged
    assign Y3 = (y[1]|y[2]|y[3]|y[4]|y[5]) & ~w; // Added y[3] to the Y3 condition
endmodule


module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 1; // Mutation: changed out to 1
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 0; // Mutation: changed out to 0
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 1; // Mutation: changed out to 1
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 1; // Mutation: changed out to 1
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 0; // Mutation: changed out to 0
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 1; // Mutation: changed out to 1
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 0; // Mutation: changed out to 0
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 0; // Mutation: changed out to 0
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 0; // Mutation: changed out to 0
            4'hf: out = 0;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output reg out
);

    always @(*) begin
        case({a,b,c,d})
            4'h0: out = 0;
            4'h1: out = 1;
            4'h3: out = 0;
            4'h2: out = 1;
            4'h4: out = 1;
            4'h5: out = 0;
            4'h7: out = 1;
            4'h6: out = 0;
            4'hc: out = 0;
            4'hd: out = 1;
            4'hf: out = 1; // Mutation: changed out to 1
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 0;
            4'hb: out = 1;
            4'ha: out = 0;
        endcase
    end
endmodule


module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1; // Changed from 1'bx to 1
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 0; // Changed from 1'bx to 0
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 0; // Changed from 1'bx to 0
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 0; // Changed from 1 to 0
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 1; // Changed from 0 to 1
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1; // Changed from 1'bx to 1
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 0; // Changed from 1'bx to 0
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 0; // Changed from 1 to 0
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 1; // Changed from 0 to 1
			4'h8: f = 0; // No change
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 1; // Changed from 0 to 1
			4'h9: f = 0; // No change
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule

module top_module (
	input [4:1] x,
	output logic f
);

	always_comb begin
		case (x)
			4'h0: f = 1'bx; // No change
			4'h1: f = 1'bx; // No change
			4'h2: f = 0; // No change
			4'h3: f = 1'bx; // No change
			4'h4: f = 1; // No change
			4'h5: f = 1'bx; // No change
			4'h6: f = 1; // No change
			4'h7: f = 0; // No change
			4'h8: f = 0; // No change
			4'h9: f = 1; // Changed from 0 to 1
			4'ha: f = 1'bx; // No change
			4'hb: f = 1; // No change
			4'hc: f = 1; // No change
			4'hd: f = 1'bx; // No change
			4'he: f = 1; // No change
			4'hf: f = 1'bx; // No change
		endcase
	end

endmodule


module top_module(
    input in,
    output out
);

    assign out = ~in; // Mutation: No change, control mutation to establish a baseline difference.

endmodule

module top_module(
    input in,
    output out
);

    assign out = in; // Mutation: Removed NOT operation, making it a buffer instead of a NOT gate.

endmodule

module top_module(
    input in,
    output out
);

    assign out = ~in | in; // Mutation: Added OR operation with the same input, making the output always 1.

endmodule

module top_module(
    input in,
    output out
);

    assign out = ~in & in; // Mutation: Added AND operation with its inverse, making the output always 0.

endmodule

module top_module(
    input in,
    output out
);

    wire temp; // Mutation: Introduced an intermediary wire but not used.
    assign out = ~in;

endmodule


module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? a : b; // Change: swapped a and b in the ternary operation

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? b : {a[98:0], a[99]}; // Change: rotated a to the right

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? {b[0], b[99:1]} : a; // Change: rotated b to the left

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? b : ~a; // Change: bitwise NOT operation on a

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? ~b : a; // Change: bitwise NOT operation on b

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? {b[99:50], a[49:0]} : a; // Change: mixed half of b and half of a when sel=1

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? b : {a[49:0], a[99:50]}; // Change: swapped the halves of a

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel ? {b[50:0], b[99:51]} : a; // Change: swapped the halves of b and made an off by one change

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = sel && sel ? b : a; // Change: redundant logical AND operation on sel

endmodule

module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

	assign out = !sel ? b : a; // Change: negated the selector condition

endmodule


module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a^b;
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = a^~b; // Change: Used a^~b instead of ~(a^b) for xnor, logically same but minor alteration in expression
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a^b;
	assign out_nand = ~(a&b); // No change here
	assign out_nor = ~(a|b); // No change here
	assign out_xnor = ~(a^b); // No change here
	assign out_anotb = a & b; // Change: Incorrectly showing AND result instead of AND-NOT
endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a^~b; // Change: XOR with inverted b, changing the logic.
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|~b; // Change: OR with inverted b, changing the logic.
	assign out_xor = a^b;
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a^b;
	assign out_nand = a&b; // Change: Removed inversion for nand, changing the logic.
	assign out_nor = ~(a|b);
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a^b;
	assign out_nand = ~(a&b);
	assign out_nor = a|b; // Change: Removed inversion for nor, logically incorrect.
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a|b; // Change: Incorrectly using OR operation for AND output.
	assign out_or = a|b;
	assign out_xor = a^b;
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a&b; // Change: Using AND operation for XOR output, logically incorrect.
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a&b; // Change: Using AND operation for OR output, logically incorrect.
	assign out_xor = a^b;
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = ~(a^b);
	assign out_anotb = a & ~b;

endmodule

module top_module (
	input a,
	input b,
	output out_and,
	output out_or,
	output out_xor,
	output out_nand,
	output out_nor,
	output out_xnor,
	output out_anotb
);

	assign out_and = a&b;
	assign out_or = a|b;
	assign out_xor = a^b;
	assign out_nand = ~(a&b);
	assign out_nor = ~(a|b);
	assign out_xnor = a|~b; // Change: Used OR with inverted b instead of XNOR logic, altering the logical operation.
	assign out_anotb = a & ~b;

endmodule


module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c} & &{p1d, p1e, p1f}; // Changed | to &
	assign p2y = &{p2a, p2b} | &{p2c, p2d};

endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = |{p1a, p1b, p1c} | &{p1d, p1e, p1f}; // Changed & to | for first AND
	assign p2y = &{p2a, p2b} | &{p2c, p2d};

endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c} | &{p1d, p1e, p1f};
	assign p2y = |{p2a, p2b} | &{p2c, p2d}; // Changed & to | for first AND in p2y
endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c} | &{p1d, p1e, p1f};
	assign p2y = &{p2a, p2b} | |{p2c, p2d}; // Changed & to | for second AND in p2y
endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b} | &{p1d, p1e, p1f}; // Removed p1c from first AND
	assign p2y = &{p2a, p2b} | &{p2c, p2d};

endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c} | &{p1d, p1e}; // Removed p1f from second AND
	assign p2y = &{p2a, p2b} | &{p2c, p2d};

endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c, p1d} | &{p1e, p1f}; // Added p1d to first AND, changing functionality
	assign p2y = &{p2a, p2b} | &{p2c, p2d};

endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c} | &{p1d, p1e, p1f};
	assign p2y = &{p2a} | &{p2c, p2d}; // Removed p2b from first AND
endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1b, p1c} | &{p1d, p1e, p1f};
	assign p2y = &{p2a, p2b} | &{p2d}; // Removed p2c from second AND
endmodule

module top_module(
	input p1a,
	input p1b,
	input p1c,
	input p1d,
	input p1e,
	input p1f,
	output p1y,
	input p2a,
	input p2b,
	input p2c,
	input p2d,
	output p2y
);

	assign p1y = &{p1a, p1c} | &{p1d, p1e, p1f}; // Removed p1b from first AND
	assign p2y = &{p2a, p2b} | &{p2c, p2d};

endmodule


module top_module(
    input in,
    output out);

    assign out = !in; // Changed: Negated input to output

endmodule

module top_module(
    input in,
    output reg out); // Changed: Output from wire to reg

    always @(in) begin
        out = in;
    end

endmodule

module top_module(
    input in,
    output out);

    assign out = in | 1'b0; // Changed: OR operation with 0

endmodule

module top_module(
    input in,
    output out);

    assign out = in & 1'b1; // Changed: AND operation with 1

endmodule

module top_module(
    input in,
    output out);

    assign out = in ^ 1'b0; // Changed: XOR operation with 0

endmodule

module top_module(
    input in,
    output out);

    assign out = in; // No change here for control comparison

endmodule

module top_module(
    input in,
    output out);

    assign out = ~in; // Changed: Complement of input to output

endmodule

module top_module(
    input in,
    output out);

    assign out = {in}; // Changed: Concatenation with itself (no actual change in functionality)

endmodule

module top_module(
    input in,
    output out);

    assign out = in >>> 1'b0; // Changed: Arithmetic right shift by 0

endmodule

module top_module(
    input in,
    output out);

    assign out = in << 1'b0; // Changed: Logical left shift by 0

endmodule


module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~(in1 | in2); // Original: assign out = ~(in1 | in2); Modification: No change to demonstrate the original for comparison.
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~(in1 & in2); // Changed OR to AND
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = (in1 | in2); // Removed NOT operator
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~(in1 | in2) ^ 1'b1; // Added XOR with 1 after original operation
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~((in1 | in2) & 1'b1); // Added AND with 1 before NOT operator
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~((in1 | in2) | 1'b0); // Added OR with 0 before NOT operator
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~(in1); // Only considering in1 for the NOR operation
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~(in2); // Only considering in2 for the NOR operation
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~(in1 | in2 | in1); // Duplicated in1 in OR operation
endmodule

module top_module (
	input in1,
	input in2,
	output logic out
);

	assign out = ~((in1 & in2) | in2); // Combined AND with in2 and OR with in2
endmodule


module top_module(
	input in,
	output out);

	assign out = ~in; // Negated the input signal
endmodule

module top_module(
	input in,
	output out);

	assign out = in & in; // AND operation with itself, essentially the same but logically different
endmodule

module top_module(
	input in,
	output out);

	assign out = in | in; // OR operation with itself, essentially the same but logically different
endmodule

module top_module(
	input in,
	output out);

	wire internal; // Added an internal wire
	assign internal = in;
	assign out = internal; // Routed input through an internal wire before output
endmodule

module top_module(
	input in,
	output out);

	assign out = in ^ in; // XOR operation with itself, should result in 0
endmodule

module top_module(
	input in,
	output out);

	assign out = in; // Original line
	//Added redundant assignment which is functionally the same
	assign out = in;
endmodule

module top_module(
	input in,
	output out);

	// Change made to use a ternary operator, logically identical
	assign out = in ? 1'b1 : 1'b0;
endmodule

module top_module(
	input in,
	output out);

	// Negated the input, then negated it again
	assign out = ~(~in);
endmodule

module top_module(
	input in,
	output out);

	// Changed to add a delay to the assignment, may introduce simulation mismatches
	assign #1 out = in;
endmodule

module top_module(
	input in,
	output out);

	// Use of buffer operation via ANDing with 1, though logically unnecessary
	assign out = in & 1'b1;
endmodule