module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[9]; // Unchanged

	assign next_state[0] = !in && (|state[4:1] | state[7] | state[8] | state[9]); // Changed |state[4:0] to |state[4:1]
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[8]; // Changed state[9] to state[8]

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[9];

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8]); // Removed state[9] from the equation
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[9];

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8]); // Removed state[9] from the equation
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[9];

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = !in && state[3]; // Changed in to !in
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[9];

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = !in && state[5]; // Changed in to !in
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[6] | state[9]; // Changed state[7] to state[6]

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[7] | state[9]; // Changed state[8] to state[7]
	assign out2 = state[7] | state[9];

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9];
	assign out2 = state[7] | state[9];

	assign next_state[0] = !in && (|state[3:0] | state[7] | state[8] | state[9]); // Changed |state[4:0] to |state[3:0]
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule

module top_module (
	input in,
	input [9:0] state,
	output [9:0] next_state,
	output out1,
	output out2);

	assign out1 = state[8] | state[9]; // Unchanged
	assign out2 = state[7] | !state[9]; // Changed state[9] to !state[9]

	assign next_state[0] = !in && (|state[4:0] | state[7] | state[8] | state[9]);
	assign next_state[1] = in && (state[0] | state[8] | state[9]);
	assign next_state[2] = in && state[1];
	assign next_state[3] = in && state[2];
	assign next_state[4] = in && state[3];
	assign next_state[5] = in && state[4];
	assign next_state[6] = in && state[5];
	assign next_state[7] = in && (state[6] | state[7]);
	assign next_state[8] = !in && state[5];
	assign next_state[9] = !in && state[6];

endmodule


module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = in[0]+in[1]+in[2] + 1; // Added 1 to the output sum
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = in[0]+in[1]; // Removed in[2] from the sum
endmodule

module top_module (
    input [2:0] in,
    output [2:0] out // Changed output bit width to 3
);

    assign out = in[0]+in[1]+in[2];
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = in[0] ^ in[1] ^ in[2]; // Changed addition to XOR
endmodule

module top_module (
    input [2:0] in,
    output reg [1:0] out // Changed output to reg and used always block
);

    always @(in) begin
        out = in[0] + in[1] + in[2];
    end
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = in[0] | in[1] | in[2]; // Changed addition to OR
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = {in[2], in[0] + in[1]}; // Changed the output composition
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = (in[0] + in[1] + in[2]) - 1; // Subtracted 1 from the output sum
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = in[0] & in[1] & in[2]; // Changed addition to AND
endmodule

module top_module (
    input [2:0] in,
    output [1:0] out
);

    assign out = in[0]+in[1]+~in[2]; // Inverted in[2] before addition
endmodule


module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {5{b}}, {5{c}}, {5{d}}, {4{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{e}} to {4{e}}, decreasing the replication of 'e' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {5{b}}, {5{c}}, {5{d}}, {5{e}} } ^ {4{a,b,c,d,e}}; // Changed {5{a,b,c,d,e}} to {4{a,b,c,d,e}}, decreasing the replication in the XOR operation by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {4{a}}, {5{b}}, {5{c}}, {5{d}}, {5{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{a}} to {4{a}}, decreasing the replication of 'a' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {5{b}}, {5{c}}, {4{d}}, {5{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{d}} to {4{d}}, decreasing the replication of 'd' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out[24:1] = ~{ {5{a}}, {5{b}}, {5{c}}, {5{d}}, {5{e}} }[24:1] ^ {5{a,b,c,d,e}}[24:1]; // Removed the last comparison, out[0] will not be assigned

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {5{b}}, {5{c}}, {5{d}}, {6{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{e}} to {6{e}}, increasing the replication of 'e' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {5{b}}, {4{c}}, {5{d}}, {5{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{c}} to {4{c}}, decreasing the replication of 'c' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {6{a}}, {5{b}}, {5{c}}, {5{d}}, {5{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{a}} to {6{a}}, increasing the replication of 'a' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {6{b}}, {5{c}}, {5{d}}, {5{e}} } ^ {5{a,b,c,d,e}}; // Changed {5{b}} to {6{b}}, increasing the replication of 'b' by 1

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	input e,
	output [24:0] out
);

	assign out = ~{ {5{a}}, {5{b}}, {5{c}}, {5{d}}, {5{e}} } ^ {5{a,b,c,d,e}, 1'b0}; // Added a 1'b0 to the end of the vector in the XOR operation

endmodule


module top_module (
	input a,
	input b,
	output q
);

	assign q = a|b; // Changed & to |, altering the logic function
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = a&b; // No change, for baseline comparison
	assign q = ~q; // Added inversion of q, inverting the output
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = a^b; // Changed & to ^, making it an XOR operation
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = (a&b)&a; // Added an extra &a, redundantly & with a
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = (a|b)&b; // Changed & to | then & with b, altering the operation
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = a&~b; // Added inversion to b
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = ~a&b; // Added inversion to a
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = (a|~b); // Changed & to | and inverted b
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = (a^~b); // Changed & to ^ and inverted b, making it a negative XOR
endmodule

module top_module (
	input a,
	input b,
	output q
);

	assign q = (a&b)|a; // Added |a at the end, altering the boolean function
endmodule


module top_module (
	input clk,
	input x,
	input [2:0] y,
	output reg Y0,
	output reg z
);

	always @(*) begin
		case ({y[2:0], x})
			4'h0: Y0 = 0;
			4'h1: Y0 = 1; // Change: No modification, serves as a baseline.
			4'h2: Y0 = 1;
			4'h3: Y0 = 0;
			4'h4: Y0 = 0;
			4'h5: Y0 = 1;
			4'h6: Y0 = 1;
			4'h7: Y0 = 0;
			4'h8: Y0 = 1;
			4'h9: Y0 = 0;
			default: Y0 = 1'bx; // Change: was 1'bx, no actual change, just annotating baseline.
		endcase

		case (y[2:0])
			3'h0: z = 0;
			3'h1: z = 0;
			3'h2: z = 0;
			3'h3: z = 1;
			3'h4: z = 1;
			default: z = 1'bx;
		endcase
	end

endmodule


module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {a,b,c,b}; // Changed the order in the assignment to {a,b,c,b}

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {b,a,b,c}; // Changed the mapping from {a,b,b,c} to {b,a,b,c}

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,z,y} = {a,b,b,c}; // Changed the output order to {w,x,z,y}

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {x,w,y,z} = {a,b,b,c}; // Changed the output order to {x,w,y,z}

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {a,a,b,c}; // Changed second input from 'b' to 'a' in assignment

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {1'b0,b,b,c}; // Fixed 'w' to 0 instead of mapping it to 'a'

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {a,b,!b,c}; // Changed 'y' mapping from 'b' to '!b' (inverted 'b')

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {a,b,b,~c}; // Inverted 'c' before assigning to 'z'

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {a,{1'b1},b,c}; // Inserted constant '1' before 'b', this will cause a syntax error, demonstrating a mutation that introduces a bug.

endmodule

module top_module (
    input a,
    input b,
    input c,
    output w,
    output x,
    output y,
    output z  );

    assign {w,x,y,z} = {a,b,b,c,1'b1}; // Added an extra 1'b1 at the end, which will cause mismatch in assignment

endmodule


module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			// Changed output for case 3'h5 to be data4 instead of data5
			3'h5: out = data4; // Mutation: output data4 instead of data5
			default: out = 4'b0;
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			// Changed default output to 4'b1 instead of 4'b0
			default: out = 4'b1; // Mutation: default output to 4'b1
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			// Removed the case for 3'h3
			// 3'h3: out = data3; // Mutation: Removed case for 3'h3
			3'h4: out = data4;
			3'h5: out = data5;
			default: out = 4'b0;
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			// Added an extra case, does nothing but changes the flow
			3'h6: out = out; // Mutation: Added redundant case
			default: out = 4'b0;
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			// Changed the output of case 3'h0 to be data1 instead of data0
			3'h0: out = data1; // Mutation: output data1 instead of data0
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			default: out = 4'b0;
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			// Default behavior changed to output data0 instead of 4'b0
			default: out = data0; // Mutation: default to output data0
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			// Swapped the assignments of data4 and data5
			3'h4: out = data5; // Mutation: swap data4 and data5
			3'h5: out = data4;
			default: out = 4'b0;
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			// Added an unrelated modification, changed case notation
			default: out = 4'b0;
		endcase
	end

endmodule
// Note: This mutant does not introduce a functional change but might confuse regarding the intended mutation.

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			// Introduced a syntax error (missing semicolon) as a minor change
			default: out = 4'b0 // Mutation: Missing semicolon
		endcase
	end

endmodule

module top_module (
	input [2:0] sel,
	input [3:0] data0,
	input [3:0] data1,
	input [3:0] data2,
	input [3:0] data3,
	input [3:0] data4,
	input [3:0] data5,
	output reg [3:0] out
);

	always @(*) begin
		case (sel)
			3'h0: out = data0;
			3'h1: out = data1;
			3'h2: out = data2;
			3'h3: out = data3;
			3'h4: out = data4;
			3'h5: out = data5;
			// Added a new case that is unlikely to be true, affecting the flow slightly
			3'h7: out = 4'b1111; // Mutation: Added unrealistic case
			default: out = 4'b0;
		endcase
	end

endmodule


module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			1: out = a - b - 1; // Changed: Subtracted 1 from the subtraction operation
		endcase
		result_is_zero = (out == 0);
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b + 1; // Changed: Added 1 to the addition operation
			1: out = a - b;
		endcase
		result_is_zero = (out == 0);
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			1: out = a - b;
		endcase
		result_is_zero = (out == 8'h00); // Changed: Used hexadecimal for comparison
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			// Removed case 1 entirely, altering behavior for subtraction
		endcase
		result_is_zero = (out == 0);
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			1: out = a - b;
		endcase
		result_is_zero = (out == 0) ? 0 : 1; // Changed: Inverted logic of result_is_zero
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a;
			1: out = b; // Changed: Directly assign `a` or `b` to `out` instead of performing an operation
		endcase
		result_is_zero = (out == 0);
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			1: out = a - b;
		endcase
		result_is_zero = !out; // Changed: Used logical NOT directly on `out` for result_is_zero calculation
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a | b; // Changed: Used bitwise OR instead of addition
			1: out = a & b; // Changed: Used bitwise AND instead of subtraction
		endcase
		result_is_zero = (out == 0);
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			1: out = a - b;
		endcase
		result_is_zero = (out == 0) ^ 1; // Changed: Added XOR with 1 to invert result_is_zero calculation
	end

endmodule

module top_module (
	input do_sub,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out,
	output reg result_is_zero
);

	always @(*) begin
		case (do_sub)
			0: out = a + b;
			1: out = a - b >> 1; // Changed: Shifted the subtraction result to the right by 1
		endcase
		result_is_zero = (out == 0);
	end

endmodule


module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;  // No change here
		valid = 1;
		case (code)
			8'h45: out = 0;  // No change
			8'h16: out = 1;  // No change
			8'h1e: out = 2;  // No change
			8'h26: out = 3;  // No change
			8'h25: out = 4;  // No change
			8'h2e: out = 5;  // No change
			8'h36: out = 6;  // No change
			8'h3d: out = 7;  // No change
			8'h3e: out = 8;  // No change
			8'h46: out = 10; // Changed output from 9 to 10
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 0; // Changed initial valid state to 0
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0; // No change here
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 1; // Changed default output to 1
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 7; // Changed output for 8'h36 from 6 to 7
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 3; // Changed output for 8'h1e from 2 to 3
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 2; // Changed output for 8'h16 from 1 to 2
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 6; // Changed output for 8'h3d from 7 to 6
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 1; // Changed output for 8'h45 from 0 to 1
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 5; // Changed output for 8'h25 from 4 to 5
			8'h2e: out = 5;
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule

module top_module (
	input [7:0] code,
	output reg [3:0] out,
	output reg valid
);
	always @(*) begin
		out = 0;
		valid = 1;
		case (code)
			8'h45: out = 0;
			8'h16: out = 1;
			8'h1e: out = 2;
			8'h26: out = 3;
			8'h25: out = 4;
			8'h2e: out = 6; // Changed output for 8'h2e from 5 to 6
			8'h36: out = 6;
			8'h3d: out = 7;
			8'h3e: out = 8;
			8'h46: out = 9;
			default: valid = 0;
		endcase
	end

endmodule


module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Changed out[0] and out[1] positions
	assign {out[1],out[0],out[2],out[3],out[4],out[5],out[6],out[7]} = in;

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Changed connection for out[7] to be from in[0] directly
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[6],out[7]} = {in[7:1], in[0]};

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Added inversion to out[0]
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[6],out[7]} = ~{in[7]};

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Swapped out[2] and out[3]
	assign {out[0],out[1],out[3],out[2],out[4],out[5],out[6],out[7]} = in;

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Modified to reverse only the first 4 bits
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[6],out[7]} = {in[3:0], in[7:4]};

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Used bitwise AND with 1 on out[0], which does not change functionality but changes the expression
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[6],out[7]} = in & 8'hFF;

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Added bitwise OR with 0, which is a no-operation but changes the code
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[6],out[7]} = in | 8'h00;

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Inserted a redundant bitwise XOR with 0
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[6],out[7]} = in ^ 8'h00;

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Swapped the positions of out[6] and out[7]
	assign {out[0],out[1],out[2],out[3],out[4],out[5],out[7],out[6]} = in;

endmodule

module top_module (
	input [7:0] in,
	output [7:0] out
);
	// Changed out[4] to be always 0, altering functionality slightly
	assign {out[0],out[1],out[2],out[3],1'b0,out[5],out[6],out[7]} = in;

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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1; // Changed 1'bx to 1
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 1; // Changed 0 to 1
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 0; // Changed 1'bx to 0
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 1; // Changed 0 to 1
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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; // Changed 0 to 1
            4'h1: out = 0;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 0; // Changed 1 to 0
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 1; // Changed 0 to 1
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 0; // Changed 1 to 0
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 1'bx;
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 0; // Changed 1 to 0
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        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;
            4'h3: out = 1;
            4'h2: out = 1;
            4'h4: out = 1'bx;
            4'h5: out = 0;
            4'h7: out = 0;
            4'h6: out = 0;
            4'hc: out = 1;
            4'hd: out = 0; // Changed 1'bx to 0
            4'hf: out = 1;
            4'he: out = 1;
            4'h8: out = 1;
            4'h9: out = 1'bx;
            4'hb: out = 1;
            4'ha: out = 1;
        endcase
    end
endmodule


module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & sel_b2) ? b : a; // No change
	always @(*) out_always = (sel_b1 | sel_b2) ? b : a; // Changed & to | in always block

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & sel_b2) ? a : b; // Swapped a and b in assign statement
	always @(*) out_always = (sel_b1 & sel_b2) ? b : a; // No change

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 | sel_b2) ? b : a; // Changed & to | in assign statement
	always @(*) out_always = (sel_b1 & sel_b2) ? b : a; // No change

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & sel_b2) ? b : a; // No change
	always @(*) out_always = (sel_b1 & !sel_b2) ? b : a; // Changed sel_b2 to !sel_b2 in always block

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & !sel_b2) ? b : a; // Changed sel_b2 to !sel_b2 in assign statement
	always @(*) out_always = (sel_b1 & sel_b2) ? b : a; // No change

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & sel_b2) ? b : a; // No change
	always @(*) out_always = !(sel_b1 & sel_b2) ? b : a; // Added negation to condition in always block

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = !(sel_b1 & sel_b2) ? b : a; // Added negation to condition in assign statement
	always @(*) out_always = (sel_b1 & sel_b2) ? b : a; // No change

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & sel_b2) ? b : a; // No change
	always @(*) out_always = (sel_b1 & sel_b2) ? a : b; // Swapped a and b in always block

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 ^ sel_b2) ? b : a; // Changed & to ^ in assign statement
	always @(*) out_always = (sel_b1 & sel_b2) ? b : a; // No change

endmodule

module top_module (
	input a,
	input b,
	input sel_b1,
	input sel_b2,
	output out_assign,
	output reg out_always
);

	assign out_assign = (sel_b1 & sel_b2) ? b : a; // No change
	always @(*) out_always = (sel_b1 ^ sel_b2) ? b : a; // Changed & to ^ in always block

endmodule


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

	assign out = (a & b | c); // Changed OR to AND between a and b
endmodule

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

	assign out = (a | b & c); // Changed OR to AND between b and c
endmodule

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

	assign out = ~(a | b | c); // Added NOT operator at the beginning
endmodule

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

	assign out = (a | b | ~c); // Added NOT operator to c
endmodule

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

	assign out = (a ^ b | c); // Changed OR between a and b to XOR
endmodule

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

	assign out = (a | b); // Removed c from the equation
endmodule

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

	assign out = (a | c); // Removed b from the equation
endmodule

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

	assign out = (b | c); // Removed a from the equation
endmodule

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

	assign out = ((a | b) & c); // Changed OR to AND after (a | b)
endmodule

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

	assign out = (!(a | b | c)); // Added an extra NOT operator, making it a double negative
endmodule


module top_module (
	input a,
	input b,
	input sel,
	output out
);

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

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	assign out = sel ? b : !a; // Change: negated a.

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	assign out = !sel ? b : a; // Change: negated sel.

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	assign out = sel && b || !sel && a; // Change: converted ternary operation to logical operation.

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output reg out // Change: output changed from wire to reg.
);

	always @(sel or a or b) begin
		out = sel ? b : a; // Used procedural assignment inside always block.
	end

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	// Change: Added redundant bitwise AND with 1'b1 to sel.
	assign out = (sel & 1'b1) ? b : a;

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	// Change: Added redundant bitwise OR with 1'b0 to both a and b.
	assign out = sel ? b | 1'b0 : a | 1'b0;

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	assign out = sel ? (b ^ 1'b0) : (a ^ 1'b0); // Change: Added redundant XOR with 0 which has no effect.

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	// Change: Directly use !sel for a and sel for b, logically equivalent to original but syntactically different.
	assign out = (!sel & a) | (sel & b);

endmodule

module top_module (
	input a,
	input b,
	input sel,
	output out
);

	// Change: Implemented using a case statement, functionally same but structurally different.
	always @(*) begin
		case(sel)
			1'b0: out = a;
			1'b1: out = b;
			default: out = 1'bx; // Added an undefined case handling even though it's unreachable with a 1-bit sel.
		endcase
	end

endmodule


module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = |in[3:1]; // Changed: OR operation now uses bits [3:1] instead of [3:0]
	assign out_xor = ^in; // Unchanged

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = &in[3:1]; // Changed: AND operation now uses bits [3:1] instead of [3:0]
	assign out_or = |in; // Unchanged
	assign out_xor = ^in; // Unchanged

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = |in; // Unchanged
	assign out_xor = ^in[3:1]; // Changed: XOR operation now uses bits [3:1] instead of [3:0]

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = in[0] & in[1] & in[2]; // Changed: AND operation explicitly defined for bits [2:0], excluding [3]
	assign out_or = |in; // Unchanged
	assign out_xor = ^in; // Unchanged

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = in[3] | in[2] | in[1]; // Changed: OR operation explicitly defined for bits [3:1], excluding [0]
	assign out_xor = ^in; // Unchanged

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = |in; // Unchanged
	assign out_xor = in[3] ^ in[2] ^ in[1]; // Changed: XOR operation explicitly defined for bits [3:1], excluding [0]

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = &(in & 4'b1110); // Changed: AND operation with masked input, forcing bit 0 to 0
	assign out_or = |in; // Unchanged
	assign out_xor = ^in; // Unchanged

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = |(in | 4'b0001); // Changed: OR operation with forced bit 0 to 1
	assign out_xor = ^in; // Unchanged

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = |in; // Unchanged
	assign out_xor = ^in ^ 1'b1; // Changed: XOR operation result is inverted

endmodule

module top_module (
	input [3:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // Unchanged
	assign out_or = |in; // Unchanged
	assign out_xor = ^in ^ in[0]; // Changed: XOR operation with an additional XOR against in[0]

endmodule


module top_module (
	input [7:0] in,
	output parity
);

	assign parity = ^in[7:1]; // Changed: Exclude the LSB from parity calculation

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	assign parity = ^in[7:0] ^ 1'b1; // Changed: Inverted the final parity bit

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	wire intermediate_parity;
	assign intermediate_parity = ^in; // Changed: Introduced an intermediate signal
	assign parity = intermediate_parity;

endmodule

module top_module (
	input [7:0] in,
	output reg parity // Changed: Changed output from wire to reg
);

	always @(*) begin
		parity = ^in;
	end

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	assign parity = ^in & 1'b1; // Changed: ANDed the result with 1, which does not change the logic but adds an operation

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	assign parity = ^in | 0; // Changed: ORed the result with 0, which does not change the logic but adds an operation

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	assign parity = in[0] ^ in[1] ^ in[2] ^ in[3] ^ in[4] ^ in[5] ^ in[6]; // Changed: Excluded in[7] from the calculation

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	assign parity = ~(^in); // Changed: Negated the entire expression, which changes the parity from even to odd

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	// Changed: Used reduction NAND instead of XOR and then negated to keep even parity logic
	assign parity = ~(&in);

endmodule

module top_module (
	input [7:0] in,
	output parity
);

	assign parity = ^in ^ in[0]; // Changed: XORed the result with the LSB of the input, altering the parity calculation

endmodule


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

    always_comb begin
		case (state)
			A: next_state = in ? B : A; // No change
			B: next_state = in ? C : C; // Change here, original: in ? B : C
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? B : C;
			C: next_state = in ? D : D; // Change here, original: in ? D : A
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? B : B; // Change here, original: in ? B : A
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? D : C; // Change here, original: in ? B : C
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? B : C;
			C: next_state = in ? C : A; // Change here, original: in ? D : A
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? A : A; // Change here, original: in ? B : A
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? A : C; // Change here, original: in ? B : C
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? C : C; // Change here, original: in ? B : C
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? A : B; // Change here, original: in ? B : A
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule

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

    always_comb begin
		case (state)
			A: next_state = in ? C : A; // Change here, original: in ? B : A
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
    end

	assign out = (state==D);

endmodule


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

	assign z = ~(x^y); // No change in functionality, just formatting.

endmodule

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

	assign z = (x^y); // Change: Removed the NOT operation, altering functionality.

endmodule

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

	assign z = ~(x & y); // Change: Using AND instead of XOR, altering functionality significantly.

endmodule

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

	assign z = ~(x | y); // Change: Using OR instead of XOR, altering functionality.

endmodule

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

	assign z = ~(x^y) | y; // Change: Added OR with y, altering functionality.

endmodule

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

	assign z = ~((x^y) & x); // Change: Added AND with x, altering functionality.

endmodule

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

	assign z = ~(x^y) & x; // Change: Changed OR to AND with x, altering functionality.

endmodule

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

	assign z = ~(x^y) ^ x; // Change: Added XOR with x, altering functionality.

endmodule

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

	assign z = ~((x^y) | y); // Change: Added OR with y inside NOT, altering functionality.

endmodule

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

	assign z = ~((x^y) ^ y); // Change: Added XOR with y inside NOT, altering functionality.

endmodule


module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = A[1:0]!=B[1:0]; // Changed equality check to inequality
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = (A[1:0]==B[1:0])? 0 : 1; // Inverted the output using ternary operator
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output reg z); // Changed output type to reg

	always @(A or B) begin
		z = A == B; // Using procedural assignment inside always block
	end
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = A[1:0]==B[1:0] && A[0]; // Added an extra condition that checks A[0]
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = (A[1]==B[1]) && (A[0]==B[0]); // Explicitly comparing each bit
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = A[1:0]=={B[1], B[0]}; // Explicitly reconstructing B
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = A[1:0]<B[1:0]; // Changed equality check to less than
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = A[1:0]>B[1:0]; // Changed equality check to greater than
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = |(A[1:0]^B[1:0]); // XOR and then OR all bits for comparison
endmodule

module top_module(
	input [1:0] A,
	input [1:0] B,
	output z);

	assign z = &(A[1:0]~^B[1:0]); // XNOR and then AND all bits for comparison
endmodule


module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & {in[0], in[99:1]}; // Change: Used {in[0], in[99:1]} instead of in[99:1] for out_both, making the first bit dependent on in[0] and in[99]
	assign out_any = in | in[99:1];
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & in[99:1];
	assign out_any = in & in[99:1]; // Change: Used & instead of | for out_any, altering its functionality to require both bits to be '1'
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & in[99:1];
	assign out_any = in | in[99:1];
	assign out_different = in ~^ {in[0], in[99:1]}; // Change: Used ~^ for XOR, changing out_different to output when bits are the same.

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in | in[99:1]; // Change: Used | instead of & for out_both, changing its functionality to output '1' if either bit is '1'
	assign out_any = in | in[99:1];
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & in[99:1];
	assign out_any = in | {in[0], in[99:1]}; // Change: Used {in[0], in[99:1]} instead of in[99:1] for out_any, making the first bit dependent on in[0] and in[99]
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & in[99:1];
	assign out_any = in | in[99:1];
	assign out_different = in ^ in; // Change: Used in ^ in for out_different, resulting in all 0s because a bit XOR with itself is always 0.

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & {1'b0, in[99:1]}; // Change: Used {1'b0, in[99:1]} for out_both, explicitly setting the first bit to 0.
	assign out_any = in | in[99:1];
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & in[99:0]; // Change: Incorrectly used in[99:0], which is effectively the same as the original input vector and doesn't change the functionality.
	assign out_any = in | in[99:1];
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = in & in[99:1];
	assign out_any = in ^ in[99:1]; // Change: Used ^ instead of | for out_any, changing its functionality to indicate when bits are different.
	assign out_different = in ^ {in[0], in[99:1]};

endmodule

module top_module (
	input [99:0] in,
	output [98:0] out_both,
	output [99:1] out_any,
	output [99:0] out_different
);

	assign out_both = ~in & in[99:1]; // Change: Used ~in instead of in for out_both, inverting the input bits before the AND operation.
	assign out_any = in | in[99:1];
	assign out_different = in ^ {in[0], in[99:1]};

endmodule


module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+2], in[sel*4+2], in[sel*4+1], in[sel*4+0]}; // Changed in[sel*4+3] to in[sel*4+2]

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+3], in[sel*4+1], in[sel*4+1], in[sel*4+0]}; // Changed in[sel*4+2] to in[sel*4+1]

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = in[sel*4+:4]; // Used part-select instead of concatenation

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+0], in[sel*4+1], in[sel*4+2], in[sel*4+3]}; // Reversed the bit order

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+3:sel*4+1], in[sel*4]}; // Changed the concatenation to use a range and single bit

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+3], in[sel*4+2], in[sel*4+0], in[sel*4+0]}; // Changed one of the in[sel*4+1] to in[sel*4+0]

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+3], in[sel*4+1], in[sel*4+2], in[sel*4+0]}; // Swapped in[sel*4+1] and in[sel*4+2]

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*5+3], in[sel*5+2], in[sel*5+1], in[sel*5+0]}; // Changed multiplier from *4 to *5

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {1'b0, in[sel*4+2], in[sel*4+1], in[sel*4+0]}; // Replaced in[sel*4+3] with constant 1'b0

endmodule

module top_module (
    input [1023:0] in,
    input [7:0] sel,
    output [3:0] out
);

    assign out = {in[sel*4+3], in[sel*4+3], in[sel*4+1], in[sel*4+3]}; // Repeated in[sel*4+3] multiple times

endmodule


module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '0; // Change: Initially set out to '0 instead of '1
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = i;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = {8'h00, h[7:0]}; // Change: Output lower 8 bits of h
			4'h8: out = i;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			// 4'h7: out = h; // Change: Omitting case for sel=7, making it default to '1'
			4'h8: out = i;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = i;
			// Change: Adding an additional case, should not impact functionality as it's an unused case
			4'h9: out = '0;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = {i[7:0], i[15:8]}; // Change: Swap the bytes of i
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = {g[7:0], g[15:8]}; // Change: Swap the bytes of g
			4'h7: out = h;
			4'h8: out = i;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = {16{f[0]}}; // Change: Propagate the LSB of f across all bits of out
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = i;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = {a[14:0], a[15]}; // Change: Rotate the bits of a to the right
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = i;
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = ~i; // Change: Invert all bits of i
		endcase
	end

endmodule

module top_module (
	input [15:0] a,
	input [15:0] b,
	input [15:0] c,
	input [15:0] d,
	input [15:0] e,
	input [15:0] f,
	input [15:0] g,
	input [15:0] h,
	input [15:0] i,
	input [3:0] sel,
	output logic [15:0] out
);

	always @(*) begin
		out = '1;
		case (sel)
			4'h0: out = a;
			4'h1: out = b;
			4'h2: out = c;
			4'h3: out = d;
			4'h4: out = e;
			4'h5: out = f;
			4'h6: out = g;
			4'h7: out = h;
			4'h8: out = i;
			default: out = 16'hFFFF; // Change: Explicitly define default case, technically redundant
		endcase
	end

endmodule


module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	// Change: Modified bitwise OR to bitwise AND
	assign out_or_bitwise = a & b; // Change here
	assign out_or_logical = a || b;
	assign out_not = {~b,~a};

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	assign out_or_bitwise = a | b;
	// Change: Modified logical OR to logical AND
	assign out_or_logical = a && b; // Change here
	assign out_not = {~b,~a};

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	assign out_or_bitwise = a | b;
	assign out_or_logical = a || b;
	// Change: Inverted the ordering of NOT outputs
	assign out_not = {~a, ~b}; // Change here

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	assign out_or_bitwise = a | b;
	assign out_or_logical = a || b;
	// Change: Only taking inverse of a and ignoring b
	assign out_not = {3'b000, ~a}; // Change here

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	assign out_or_bitwise = a | b;
	assign out_or_logical = a || b;
	// Change: Only taking inverse of b and ignoring a
	assign out_not = {~b, 3'b000}; // Change here

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	// Change: Use XOR instead of OR for bitwise
	assign out_or_bitwise = a ^ b; // Change here
	assign out_or_logical = a || b;
	assign out_not = {~b,~a};

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	// Change: Use NOR instead of OR for bitwise
	assign out_or_bitwise = ~(a | b); // Change here
	assign out_or_logical = a || b;
	assign out_not = {~b,~a};

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	assign out_or_bitwise = a | b;
	assign out_or_logical = a || b;
	// Change: Apply inverse only to lower half of out_not
	assign out_not = {3'b111, ~a}; // Change here

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	assign out_or_bitwise = a | b;
	// Change: Logical OR is replaced with XNOR of a and not b
	assign out_or_logical = a ~^ ~b; // Change here
	assign out_not = {~b,~a};

endmodule

module top_module(
	input [2:0] a,
	input [2:0] b,
	output [2:0] out_or_bitwise,
	output out_or_logical,
	output [5:0] out_not
);
	// Change: Bitwise OR replaced with bitwise NAND
	assign out_or_bitwise = ~(a & b); // Change here
	assign out_or_logical = a || b;
	assign out_not = {~b,~a};

endmodule


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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] | state[B] | state[D]) & in; // No change
    assign next_state[C] = (state[B] & state[D]) & ~in; // Changed | to &
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] | state[B] & state[D]) & in; // Changed | to &
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] & state[C]) & ~in; // Changed | to &
    assign next_state[B] = (state[A] | state[B] | state[D]) & in; // No change
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & in; // Changed ~in to in
    assign next_state[B] = (state[A] | state[B] | state[D]) & in; // No change
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] | state[B] | state[D]) & ~in; // Changed in to ~in
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] | state[B] | state[D]) & in; // No change
    assign next_state[C] = (state[B] | state[D]) & in; // Changed ~in to in
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] | state[B] | state[D]) & in; // No change
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] | in; // Changed & to |

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] & state[B] | state[D]) & in; // Changed | to &
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] & state[C]) & ~in; // Changed | to &
    assign next_state[B] = (state[A] | state[B] | state[D]) & in; // No change
    assign next_state[C] = (state[B] & state[D]) & ~in; // Changed | to &
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule

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

    assign next_state[A] = (state[A] | state[C]) & ~in; // No change
    assign next_state[B] = (state[A] | state[B]) & in; // Removed state[D] from condition
    assign next_state[C] = (state[B] | state[D]) & ~in; // No change
    assign next_state[D] = state[C] & in; // No change

    assign out = (state[D]); // No change

endmodule


module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min >= b) min = b; // Change: > changed to >=
		if (min > c) min = c;
		if (min > d) min = d;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = b; // Change: Initializing min with b instead of a
		if (min > a) min = a;
		if (min > c) min = c;
		if (min > d) min = d;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min > b) min = b;
		if (min > c) min = c;
		// Removed the last comparison
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min > b) min = b;
		if (min >= c) min = c; // Change: > changed to >=
		if (min > d) min = d;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		// Removed b comparison
		if (min > c) min = c;
		if (min > d) min = d;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min > b) min = b;
		// Removed c comparison
		if (min > d) min = d;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min > b) min = b;
		if (min > c) min = c;
		if (min >= d) min = d; // Change: > changed to >=
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min < b) min = b; // Change: > changed to <
		if (min > c) min = c;
		if (min > d) min = d;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = d; // Change: Initializing min with d instead of a
		if (min > a) min = a;
		if (min > b) min = b;
		if (min > c) min = c;
	end

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	input [7:0] c,
	input [7:0] d,
	output reg [7:0] min
);

	always_comb begin
		min = a;
		if (min > b) min = b;
		if (min > c) min = c;
		if (min > d) {min = d; min = min - 1;} // Change: Added a decrement of min after setting it to d
	end

endmodule


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

	assign out = (~c & ~b) | (~d&~a) | (a&c&d) | (b&c&d); // Changed (~d&~a) to (~d&~b)
endmodule

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

	assign out = (~c & ~b) | (~d&~a) | (a&c&d) | (b&c&~d); // Changed (b&c&d) to (b&c&~d)
endmodule

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

	assign out = (~c & b) | (~d&~a) | (a&c&d) | (b&c&d); // Changed (~c & ~b) to (~c & b)
endmodule

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

	assign out = (~c & ~b) | (d&~a) | (a&c&d) | (b&c&d); // Changed (~d&~a) to (d&~a)
endmodule

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

	assign out = (~c & ~b) | (~d&~a) | (a&~c&d) | (b&c&d); // Changed (a&c&d) to (a&~c&d)
endmodule

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

	assign out = (~c & ~b) | (~d&~a) | (a&c&d) | (~b&c&d); // Changed (b&c&d) to (~b&c&d)
endmodule

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

	assign out = (~c & ~b) | (~d&a) | (a&c&d) | (b&c&d); // Changed (~d&~a) to (~d&a)
endmodule

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

	assign out = (c & ~b) | (~d&~a) | (a&c&d) | (b&c&d); // Changed (~c & ~b) to (c & ~b)
endmodule

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

	assign out = (~c & ~b) | (~d&~a) | (~a&c&d) | (b&c&d); // Changed (a&c&d) to (~a&c&d)
endmodule

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

	assign out = (~c & ~b) | (~d&~a) | (a&c&d) | (b&~c&d); // Changed (b&c&d) to (b&~c&d)
endmodule


module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {23{in[7]}}, in }; // Changed number of replicated bits from 24 to 23

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {25{in[7]}}, in[7:1] }; // Increased replication to 25 and used bits 7:1 of 'in'

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {24{in[6]}}, in }; // Replicating bit 6 instead of bit 7

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {24{!in[7]}}, in }; // Inverting the sign bit before replication

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {24{in[7]}}, in[7:0] }; // Explicitly specifying the range of 'in', no actual change in behavior

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {22{in[7]}}, in }; // Changed number of replicated bits from 24 to 22

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {24{in[7]}}, {4{in[7:6]}} }; // Added replication of bits 7:6 of 'in' four times at the end

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {24{in[0]}}, in }; // Replicating bit 0 instead of bit 7

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {24{in[7]}}, in[6:0], in[7] }; // Moved bit 7 to the end of 'in'

endmodule

module top_module (
    input [7:0] in,
    output [31:0] out
);

    assign out = { {26{in[7]}}, in[7:2] }; // Increased replication to 26 and used bits 7:2 of 'in'

endmodule


module top_module(
    output out);

    assign out = 1'b0; // No change here, demonstrating the correct original behavior

endmodule
// Note: This mutant is intentionally left unchanged as a control example.

module top_module(
    output out);

    assign out = 1'b1; // Changed 0 to 1, altering the output value

endmodule

module top_module(
    output out);

    assign out = ~1'b0; // Added a bitwise NOT operator, which does not change the output logically but differs syntactically

endmodule

module top_module(
    output out);

    assign out = 1'b0 ^ 1'b1; // Added an XOR with 1, which changes the logic

endmodule

module top_module(
    output out);

    assign out = 1'b0 & 1'b1; // Changed logic to AND with 1, which won't change the output but alters the code

endmodule

module top_module(
    output out);

    assign out = 1'b0 | 1'b0; // Changed logic to OR with 0, which does not change the output but varies the structure

endmodule

module top_module(
    output out);

    assign out = !(1'b1); // Used logical NOT on 1, which gives 0 but changes the implementation

endmodule

module top_module(
    output out);

    assign out = 1'bz; // Changed output to high impedance state 'z', differing in behavior

endmodule

module top_module(
    output out);

    assign out = 1'b0 ? 1'b0 : 1'b1; // Introduced a conditional operation that results in 0

endmodule

module top_module(
    output out);

    assign out = 0; // Simplified the assignment to 0 without specifying bit width

endmodule


module top_module(
	output one);

	assign one = 1'b0; // Changed 1'b1 to 1'b0, so the output always drives 0 (logic low)

endmodule

module top_module(
	output one);

	assign one = ~1'b0; // Used bitwise NOT operator, result is still 1'b1 but expressed differently

endmodule

module top_module(
	output one);

	reg one_reg; // Introduced a reg type
	always @(*) one_reg = 1'b1; // Always block to assign the value
	assign one = one_reg; // Output driven by reg

endmodule

module top_module(
	output one);

	assign one = 1'b1 ^ 1'b1; // Changed to XOR operation with itself, resulting in 0

endmodule

module top_module(
	output one);

	assign one = 1'b1 | 1'b0; // Changed to OR operation with logic low, no change in functionality

endmodule

module top_module(
	output one);

	assign one = 1'b1 & 1'b1; // Changed to AND operation, no change in functionality

endmodule

module top_module(
	output one);

	assign one = 1'b1 ^ 1'b0; // Changed to XOR operation with logic low, effectively the same

endmodule

module top_module(
	output one);

	assign one = !(1'b0); // Changed to logical NOT operation on logic low, same as original functionality

endmodule

module top_module(
	output one);

	assign one = 1'b1 - 1'b0; // Subtraction operation, result is 1, minor change in expression

endmodule

module top_module(
	output one);

	assign one = 1'b1 ? 1'b1 : 1'b0; // Ternary operation, if 1 then 1 else 0, unchanged functionality but different syntax

endmodule


module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i++) // Change: modified the loop condition to run one less iteration
			out[i] = in[$bits(out)-i-2]; // This also shifts the bit assignment by one, creating a different output

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=1;i<=$bits(out);i++) // Change: starting the loop from 1 instead of 0
			out[i-1] = in[$bits(out)-i]; // Adjusted indexing to accommodate loop change

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i++)
			out[i] = in[$bits(out)-i-1] ^ 1'b1; // Change: XOR each bit with 1, flipping bits

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out)-1;i++) // Change: Stop the loop one iteration early
			out[i] = in[$bits(out)-i-1];

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i++)
			out[i] = in[$bits(out)-i-1];
			out[99] = in[0]; // Change: Explicitly set the last bit to the first bit of input, redundant but different

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i++)
			out[i] = in[$bits(out)-i]; // Change: Removed the -1, causing index out of bounds for in[]

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i++)
			out[i] = !in[$bits(out)-i-1]; // Change: Used logical NOT instead of bitwise, flipping bits

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	// Change: Added a temporary variable to add an unnecessary step
	reg temp;
	always_comb
		for (int i=0;i<$bits(out);i++) {
			temp = in[$bits(out)-i-1];
			out[i] = temp;
		}

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i+=2) // Change: Increment i by 2, skipping every other bit
			out[i] = in[$bits(out)-i-1];

endmodule

module top_module (
	input [99:0] in,
	output reg [99:0] out
);

	always_comb
		for (int i=0;i<$bits(out);i++)
			out[i] = in[99-i]; // Change: Directly used 99 instead of calculating $bits(out)-i-1

endmodule


module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) | // Change: No change, to demonstrate original logic for reference.
				( ~x3 & x2 & x1 ) |
				( x3 & ~x2 & x1 ) |
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) | // Change: No change.
				( ~x3 & x2 ) | // Change: Removed & x1
				( x3 & ~x2 & x1 ) |
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( x3 & x2 & ~x1 ) | // Change: Changed ~x3 to x3.
				( ~x3 & x2 & x1 ) |
				( x3 & ~x2 & x1 ) |
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) |
				( ~x3 & x2 & x1 ) |
				( x3 & x2 & x1 ) | // Change: Removed ~x2 &
				( x3 & x2 & x1 ) ; // Repetition for emphasis, logically no change but syntactically a mutant.

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) |
				( ~x3 & x2 & x1 ) |
				( ~x3 & ~x2 & x1 ) | // Change: Changed x3 to ~x3 and x2 to ~x2.
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);
	assign f = ( ~x3 & x2 & ~x1 ) |
				( ~x3 & x2 ) | // Change: Removed & x1 similar to mutant 2 but documenting as a separate change.
				( x3 & x2 & x1 ) | // Removed one condition, making it a different logical operation.
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) |
				( x3 & x2 & x1 ) | // Change: Removed one of the middle conditions, altering the logic.
				( x3 & x2 & x1 ) ; // Repeated the last condition for effect.

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) |
				( ~x3 & x2 & ~x1 ) | // Change: Repeated first condition instead of second, minor logical redundancy.
				( x3 & ~x2 & x1 ) |
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 ) | // Change: Removed & ~x1, simplifying expression.
				( ~x3 & x2 & x1 ) |
				( x3 & ~x2 & x1 ) |
				( x3 & x2 & x1 ) ;

endmodule

module top_module (
	input x3,
	input x2,
	input x1,
	output f
);

	assign f = ( ~x3 & x2 & ~x1 ) |
				( ~x3 & x2 & x1 ) |
				( x3 & ~x2 ) | // Change: Removed & x1, altering logic.
				( x3 & x2 & x1 ) ;

endmodule


module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // No change
	assign out_or = |in; // No change
	assign out_xor = ~^in; // Change: Negated the XOR output
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = &in[99:1]; // Change: AND operation from bits 99 to 1, excluding bit 0
	assign out_or = |in;
	assign out_xor = ^in;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈
	assign out_or = |in[98:0]; // Change: OR operation from bits 98 to 0, excluding bit 99
	assign out_xor = ^in;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈
	assign out_or = |in;
	assign out_xor = ^in[99:1]; // Change: XOR operation from bits 99 to 1, excluding bit 0
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = &{in[99:50],in[49:0]}; // Change: Explicit concatenation of the same input, no effective change in logic
	assign out_or = |in;
	assign out_xor = ^in;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // No change
	assign out_or = |in; // No change
	// Change: Reversed XOR operation by inverting inputs then XOR them
	assign out_xor = ^~in;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = &(in | 1'b0); // Change: OR operation with constant zero before AND, no effective change
	assign out_or = |in;
	assign out_xor = ^in;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈
	assign out_or = |in;
	// Change: XOR operation with an additional XOR with a constant zero
	assign out_xor = ^in ^ 1'b0;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	assign out_and = ∈ // No change
	// Change: Inverted the OR output
	assign out_or = ~|in;
	assign out_xor = ^in;
endmodule

module top_module (
	input [99:0] in,
	output out_and,
	output out_or,
	output out_xor
);

	// Change: AND operation with constant 1 before AND, no effective change
	assign out_and = &in & 1'b1;
	assign out_or = |in;
	assign out_xor = ^in;
endmodule


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

	assign {cout, sum} = a-b; // Change: Subtraction instead of addition

endmodule

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

	assign {cout, sum} = a&b; // Change: AND operation instead of addition

endmodule

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

	assign {cout, sum} = a|b; // Change: OR operation instead of addition

endmodule

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

	assign {cout, sum} = a^b; // Change: XOR operation instead of addition

endmodule

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

	assign {cout, sum} = {a+b, a+b}; // Change: Duplicate sum for cout and sum

endmodule

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

	assign cout = a+b; // Change: Only assign cout, remove sum assignment
	assign sum = a^b; // Additional: Exclusive OR for sum

endmodule

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

	// Change: Swapped the order of cout and sum in the concatenation
	assign {sum, cout} = a+b;

endmodule

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

	assign {cout, sum} = {1'b0, a+b}; // Change: Forced cout to be 0, only sum is calculated

endmodule

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

	// Change: Added an inverter to the sum output
	assign {cout, sum} = ~(a+b);

endmodule

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

	assign {cout, sum} = (a+b) << 1; // Change: Left shift the result by 1

endmodule


module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1'b1; // Changed 1 to 1'b1 for clarity
		else
			shut_off_computer = 0;
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b0;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 1'b0; // Changed 0 to 1'b0 for clarity
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b0;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 0; // No change here for reference
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1; // Changed 1'b0 to 1 for a minor difference
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 0;
	end

	always @(*) begin
		if (~arrived)
			keep_driving = ~gas_tank_empty; // Changed !gas_tank_empty to ~gas_tank_empty for a minor difference
		else
			keep_driving = 1'b0;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 0; // Changed action when cpu_overheated to 0
		else
			shut_off_computer = 0;
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b0;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 1; // Changed else behavior to also set shut_off_computer to 1
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b0;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 0;
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b1; // Changed keep_driving to 1'b1 when arrived
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 0;
	end

	always @(*) begin
		if (arrived) // Changed condition to if arrived instead of if ~arrived
			keep_driving = 1'b0;
		else
			keep_driving = !gas_tank_empty;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1;
		else
			shut_off_computer = 1'b1; // Changed else case to set shut_off_computer to 1'b1, creating logical error
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b0;
	end

endmodule

module top_module (
	input cpu_overheated,
	output reg shut_off_computer,
	input arrived,
	input gas_tank_empty,
	output reg keep_driving
);

	always @(*) begin
		if (cpu_overheated)
			shut_off_computer = 1'b0; // Introducing a logical error by setting shut_off_computer to 0 when overheated
		else
			shut_off_computer = 0;
	end

	always @(*) begin
		if (~arrived)
			keep_driving = !gas_tank_empty;
		else
			keep_driving = 1'b0;
	end

endmodule


module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:8] x, // Change: Mistyped bit range for x
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {a,b,c,d,e,f,2'b11};

endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [6:0] y, // Change: Reduced bit width of y
	output [7:0] z
);

	assign { w,x,y,z} = {a,b,c,d,e,f,2'b11};

endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z } = {a,b,c,d,e,f,2'b00}; // Change: 2'b11 changed to 2'b00
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {a,b,c,d,f,e,2'b11}; // Change: Swapped e and f
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {a,c,b,d,e,f,2'b11}; // Change: Swapped b and c
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { x,w,y,z} = {a,b,c,d,e,f,2'b11}; // Change: Swapped w and x in the assign statement
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {a,b,c,d,e,f,2'b10}; // Change: Changed the last 2'b11 to 2'b10
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {b,a,c,d,e,f,2'b11}; // Change: Swapped a and b
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {a,b,d,c,e,f,2'b11}; // Change: Swapped c and d
endmodule

module top_module (
	input [4:0] a,
	input [4:0] b,
	input [4:0] c,
	input [4:0] d,
	input [4:0] e,
	input [4:0] f,
	output [7:0] w,
	output [7:0] x,
	output [7:0] y,
	output [7:0] z
);

	assign { w,x,y,z} = {a,b,c,e,d,f,2'b11}; // Change: Swapped d and e
endmodule


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

	assign q = ~a^b^c^~d; // Changed d to ~d
endmodule

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

	assign q = a^b^c^d; // Removed the negation of a
endmodule

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

	assign q = ~a^~b^c^d; // Negated b instead of only a
endmodule

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

	assign q = ~a^b^~c^d; // Negated c
endmodule

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

	assign q = ~a^b^c&d; // Changed XOR of c and d to AND
endmodule

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

	assign q = ~a^b|c^d; // Changed XOR of b and c to OR
endmodule

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

	assign q = ~a^b^c^(d&c); // Changed d to d&c
endmodule

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

	assign q = ~a^b^c^d^a; // Added a at the end
endmodule

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

	assign q = (~a^b^c^d); // Added parentheses for clarity, minor change in formatting
endmodule

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

	assign q = ~a&b^c^d; // Changed XOR of a and b to AND
endmodule


module top_module(
    input a,
    input b,
    output out
);

    assign out = a | b; // Changed & to | to create an OR gate instead of an AND gate

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = a ^ b; // Changed & to ^ to create an XOR gate

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = ~(a & b); // Added ~ operator to invert the AND gate result

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = a & ~b; // Inverted input b

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = ~a & b; // Inverted input a

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = a && b; // Changed bitwise AND to logical AND (though in Verilog, this is typically the same for single-bit inputs)

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = (a & b) | (a & b); // Redundantly OR'ed the AND gate with itself

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = (a & a) & (b & b); // Used each input twice redundantly

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = !a & b; // Used logical NOT on a instead of bitwise NOT

endmodule

module top_module(
    input a,
    input b,
    output out
);

    assign out = a & b & b; // Added an extra b input to the AND gate

endmodule