codellama:13b | RAG off

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters for bit widths
localparam WIDTH = 8; // Width of the multiplicand and multiplier
localparam SHIFT = 1; // Amount to shift the multiplicand by after each addition

// Internal signals
logic [WIDTH-1:0] temp_product; // Temporary product for each bit of the multiplier
logic [WIDTH-1:0] shifted_A;     // Shifted version of the multiplicand

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < WIDTH; i++) begin : gen_multiply
        // If the current bit of the multiplier is set, add the multiplicand to the product
        if (B[i]) begin
            temp_product <= temp_product + A;
        end
    end
endgenerate

// Shift the multiplicand left by one bit after each addition
shifted_A <= shift_left(A, SHIFT);

// Assign the final product to the output port
assign product = {temp_product, shifted_A};

endmodule

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:21: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:21: error: Invalid module instantiation
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:27: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:27: error: Invalid module instantiation

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:21: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:21: error: Invalid module instantiation
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:27: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:27: error: Invalid module instantiation

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:21: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:21: error: Invalid module instantiation\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:27: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/generated.v:27: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:21: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:21: error: Invalid module instantiation\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:27: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_1/functional/generated.v:27: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Signal declarations
logic [7:0] multiplicand;
logic [7:0] multiplier;
logic [15:0] temp_product;

// Multiplication process
always @* begin
    // Initialize the temporary product and multiplicand
    temp_product = 0;
    multiplicand = A;

    // Iterate through each bit of the multiplier
    for (int i = 0; i < 8; i++) begin
        // If the current bit is set, add the multiplicand to the temporary product
        if (B[i] == 1) begin
            temp_product += multiplicand;
        end

        // Logically shift the multiplicand left by one bit
        multiplicand = {multiplicand[6:0], 1'b0};
    end
end

// Assign the final product to the output port
assign product = temp_product;
...

[stdout]
, Got =   336
Test failed: A = 215, B =  81, Expected Product =   7, Got =   519
Test failed: A = 150, B =  12, Expected Product =   8, Got =   264
Test failed: A = 194, B = 200, Expected Product = 144, Got =   144
Test failed: A = 119, B =  61, Expected Product =  91, Got =   859
Test failed: A =  18, B = 126, Expected Product = 220, Got =   476
Test failed: A = 109, B =  57, Expected Product =  69, Got =   581
Test failed: A =  31, B = 211, Expected Product = 141, Got =   653
Test failed: A = 133, B = 120, Expected Product =  88, Got =   344
Test failed: A =  91, B =  73, Expected Product = 243, Got =   499
Test failed: A =  63, B =  42, Expected Product =  86, Got =   598
Test failed: A =  88, B = 134, Expected Product =  16, Got =   272
Test failed: A = 142, B = 156, Expected Product = 136, Got =   392
Test failed: A = 250, B =  38, Expected Product =  28, Got =   540
Test failed: A = 115, B = 163, Expected Product =  57, Got =   569
Test failed: A =  47, B = 179, Expected Product = 221, Got =   733
Test failed: A =  95, B =  68, Expected Product =  60, Got =   316
Test failed: A = 247, B = 203, Expected Product = 221, Got =   989
Test failed: A = 230, B =  90, Expected Product = 220, Got =   476
Test failed: A =  41, B = 237, Expected Product = 245, Got =   501
Test failed: A = 218, B = 101, Expected Product =   2, Got =   514
Test failed: A = 181, B = 223, Expected Product = 171, Got =   939
Test failed: A = 121, B =  68, Expected Product =  36, Got =   292
Test failed: A = 208, B =  42, Expected Product =  32, Got =   288
Test failed: A = 171, B =  14, Expected Product =  90, Got =   346
Test failed: A = 220, B = 154, Expected Product =  88, Got =   600
Test failed: A = 253, B = 195, Expected Product = 183, Got =   695
Test failed: A =  86, B =  78, Expected Product =  52, Got =   564
Test failed: A = 103, B =  10, Expected Product =   6, Got =   262
Test failed: A = 182, B =  56, Expected Product = 208, Got =   464
Test failed: A = 121, B = 184, Expected Product = 248, Got =   504
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got =   336",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and variables
localparam WIDTH = 8; // Width of the multiplicand and multiplier
logic [WIDTH-1:0] shift_amount; // Amount to shift the multiplicand by
logic [WIDTH-1:0] temp_product; // Temporary product

// Implementation
always_comb begin
    // Initialize the temporary product and shift amount
    temp_product = 0;
    shift_amount = 0;

    // Iterate through each bit of the multiplier (B)
    for (int i = 0; i < WIDTH; i++) begin
        // If the current bit is set, add the multiplicand to the temporary product
        if (B[i]) begin
            temp_product = temp_product + A << shift_amount;
        end

        // Increment the shift amount by 1 for each iteration
        shift_amount++;
    end
end

// Assign the final product to the output port
assign product = temp_product;
...

[stdout]
, Got =   192
Test failed: A = 150, B =  12, Expected Product =   8, Got =   112
Test failed: A = 194, B = 200, Expected Product = 144, Got =     0
Test failed: A = 119, B =  61, Expected Product =  91, Got =   224
Test failed: A =  18, B = 126, Expected Product = 220, Got =   128
Test failed: A = 109, B =  57, Expected Product =  69, Got =   160
Test failed: A =  31, B = 211, Expected Product = 141, Got =   128
Test failed: A = 133, B = 120, Expected Product =  88, Got =    64
Test failed: A =  91, B =  73, Expected Product = 243, Got =   192
Test failed: A =  63, B =  42, Expected Product =  86, Got =   224
Test failed: A =  88, B = 134, Expected Product =  16, Got =     0
Test failed: A = 142, B = 156, Expected Product = 136, Got =     0
Test failed: A = 250, B =  38, Expected Product =  28, Got =    64
Test failed: A = 115, B = 163, Expected Product =  57, Got =   128
Test failed: A =  47, B = 179, Expected Product = 221, Got =   128
Test failed: A =  95, B =  68, Expected Product =  60, Got =   192
Test failed: A = 247, B = 203, Expected Product = 221, Got =   128
Test failed: A = 230, B =  90, Expected Product = 220, Got =   128
Test failed: A =  41, B = 237, Expected Product = 245, Got =   128
Test failed: A = 218, B = 101, Expected Product =   2, Got =   128
Test failed: A = 181, B = 223, Expected Product = 171, Got =   128
Test failed: A = 121, B =  68, Expected Product =  36, Got =    64
Test failed: A = 208, B =  42, Expected Product =  32, Got =     0
Test failed: A = 171, B =  14, Expected Product =  90, Got =   120
Test failed: A = 220, B = 154, Expected Product =  88, Got =     0
Test failed: A = 253, B = 195, Expected Product = 183, Got =   128
Test failed: A =  86, B =  78, Expected Product =  52, Got =   128
Test failed: A = 103, B =  10, Expected Product =   6, Got =   168
Test failed: A = 182, B =  56, Expected Product = 208, Got =   192
Test failed: A = 121, B = 184, Expected Product = 248, Got =   128
Test failed: A = 148, B = 147, Expected Product = 252, Got =     0
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got =   192",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and variables
localparam NUM_BITS = 8;
logic [NUM_BITS-1:0] multiplicand;
logic [NUM_BITS-1:0] multiplier;
logic [2*NUM_BITS-1:0] product_tmp;

// Multiplication process
always @(*) begin
    // Initialize the product and multiplicand
    product = 0;
    multiplicand = A;

    // Iterate through each bit of the multiplier
    for (int i = 0; i < NUM_BITS; i++) begin
        // If the current bit is set, add the multiplicand to the product
        if (B[i]) begin
            product_tmp = {product, multiplicand};
            product = product_tmp + multiplicand;
        end

        // Shift the multiplicand left by one bit
        multiplicand = multiplicand << 1;
    end
end

// Assign the final product to the output port
...

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/generated.v:16: error: product Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/generated.v:24: error: product Unable to assign to unresolved wires.
2 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/functional/generated.v:16: error: product Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/functional/generated.v:24: error: product Unable to assign to unresolved wires.
2 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/generated.v:16: error: product Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/generated.v:24: error: product Unable to assign to unresolved wires.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/functional/generated.v:16: error: product Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_2/functional/generated.v:24: error: product Unable to assign to unresolved wires.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters
localparam WIDTH = 8; // Width of the multiplicand and multiplier
localparam SHIFT_AMOUNT = 1; // Amount to shift the multiplicand by after each addition

// Internal signals
logic [WIDTH-1:0] A_shifted; // Shifted version of the multiplicand
logic [WIDTH-1:0] B_masked; // Masked version of the multiplier
logic [WIDTH+SHIFT_AMOUNT-1:0] product_temp; // Temporary product

// Implementation
always_comb begin
    A_shifted = A << SHIFT_AMOUNT; // Shift the multiplicand left by 1 bit
    B_masked = B & {WIDTH{1'b1}}; // Mask the multiplier to only include the relevant bits
    product_temp = {product[WIDTH-1:0], A_shifted} + B_masked; // Add the multiplicand and masked multiplier, with carry
    product = product_temp[WIDTH+SHIFT_AMOUNT-1:0]; // Assign the temporary product to the output port
end

endmodule

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_3/generated.v:17: sorry: constant selects in always_* processes are not currently supported (all bits will be included).

[stdout]
, Got =     X
Test failed: A = 150, B =  12, Expected Product =   8, Got =     X
Test failed: A = 194, B = 200, Expected Product = 144, Got =     X
Test failed: A = 119, B =  61, Expected Product =  91, Got =     X
Test failed: A =  18, B = 126, Expected Product = 220, Got =     X
Test failed: A = 109, B =  57, Expected Product =  69, Got =     X
Test failed: A =  31, B = 211, Expected Product = 141, Got =     X
Test failed: A = 133, B = 120, Expected Product =  88, Got =     X
Test failed: A =  91, B =  73, Expected Product = 243, Got =     X
Test failed: A =  63, B =  42, Expected Product =  86, Got =     X
Test failed: A =  88, B = 134, Expected Product =  16, Got =     X
Test failed: A = 142, B = 156, Expected Product = 136, Got =     X
Test failed: A = 250, B =  38, Expected Product =  28, Got =     X
Test failed: A = 115, B = 163, Expected Product =  57, Got =     X
Test failed: A =  47, B = 179, Expected Product = 221, Got =     X
Test failed: A =  95, B =  68, Expected Product =  60, Got =     X
Test failed: A = 247, B = 203, Expected Product = 221, Got =     X
Test failed: A = 230, B =  90, Expected Product = 220, Got =     X
Test failed: A =  41, B = 237, Expected Product = 245, Got =     X
Test failed: A = 218, B = 101, Expected Product =   2, Got =     X
Test failed: A = 181, B = 223, Expected Product = 171, Got =     X
Test failed: A = 121, B =  68, Expected Product =  36, Got =     X
Test failed: A = 208, B =  42, Expected Product =  32, Got =     X
Test failed: A = 171, B =  14, Expected Product =  90, Got =     X
Test failed: A = 220, B = 154, Expected Product =  88, Got =     X
Test failed: A = 253, B = 195, Expected Product = 183, Got =     X
Test failed: A =  86, B =  78, Expected Product =  52, Got =     X
Test failed: A = 103, B =  10, Expected Product =   6, Got =     X
Test failed: A = 182, B =  56, Expected Product = 208, Got =     X
Test failed: A = 121, B = 184, Expected Product = 248, Got =     X
Test failed: A = 148, B = 147, Expected Product = 252, Got =     X
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got =     X",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input logic [7:0] A,
    input logic [7:0] B,
    output logic [15:0] product
);

// Shift-and-add algorithm for multiplication
always @* begin
    // Initialize the product to 0
    product = 0;
    
    // Iterate through each bit of the multiplier (B)
    for (int i = 0; i < 8; i++) begin
        // If the current bit is set (1), add the multiplicand (A) to the product at the corresponding shifted position
        if (B[i]) begin
            product = product + A << i;
        end
    end
end

endmodule

[stdout]
, Got = 17536
Test failed: A = 215, B =  81, Expected Product =   7, Got = 60864
Test failed: A = 150, B =  12, Expected Product =   8, Got =  6000
Test failed: A = 194, B = 200, Expected Product = 144, Got = 41216
Test failed: A = 119, B =  61, Expected Product =  91, Got = 60640
Test failed: A =  18, B = 126, Expected Product = 220, Got = 38016
Test failed: A = 109, B =  57, Expected Product =  69, Got = 34720
Test failed: A =  31, B = 211, Expected Product = 141, Got = 61312
Test failed: A = 133, B = 120, Expected Product =  88, Got = 51520
Test failed: A =  91, B =  73, Expected Product = 243, Got = 33472
Test failed: A =  63, B =  42, Expected Product =  86, Got = 50400
Test failed: A =  88, B = 134, Expected Product =  16, Got = 15360
Test failed: A = 142, B = 156, Expected Product = 136, Got = 14080
Test failed: A = 250, B =  38, Expected Product =  28, Got = 38464
Test failed: A = 115, B = 163, Expected Product =  57, Got = 10624
Test failed: A =  47, B = 179, Expected Product = 221, Got =  1920
Test failed: A =  95, B =  68, Expected Product =  60, Got = 30400
Test failed: A = 247, B = 203, Expected Product = 221, Got = 23424
Test failed: A = 230, B =  90, Expected Product = 220, Got =  4480
Test failed: A =  41, B = 237, Expected Product = 245, Got = 13440
Test failed: A = 218, B = 101, Expected Product =   2, Got = 34432
Test failed: A = 181, B = 223, Expected Product = 171, Got = 64128
Test failed: A = 121, B =  68, Expected Product =  36, Got = 38720
Test failed: A = 208, B =  42, Expected Product =  32, Got = 35328
Test failed: A = 171, B =  14, Expected Product =  90, Got = 17784
Test failed: A = 220, B = 154, Expected Product =  88, Got = 19968
Test failed: A = 253, B = 195, Expected Product = 183, Got = 40576
Test failed: A =  86, B =  78, Expected Product =  52, Got = 53632
Test failed: A = 103, B =  10, Expected Product =   6, Got =  2472
Test failed: A = 182, B =  56, Expected Product = 208, Got = 58048
Test failed: A = 121, B = 184, Expected Product = 248, Got = 52352
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got = 17536",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and wires
localparam WIDTH = 8; // Width of the multiplicand and multiplier
wire [WIDTH-1:0] shift_amount; // Amount to shift the multiplicand by
wire [WIDTH-1:0] temp_product; // Temporary product for each bit of the multiplier

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < WIDTH; i++) begin : gen_multiplier
        // If the current bit is set, add the multiplicand to the product at the corresponding shifted position
        if (B[i]) begin
            assign temp_product = A << shift_amount;
            assign product = product + temp_product;
        end
    end
endgenerate

// Shift the multiplicand left by one bit after each addition
assign shift_amount = WIDTH'(1);
assign A = A << shift_amount;

endmodule

[stderr]
ed.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[3]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[4]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[5]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[6]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[7]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
16 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[0]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[1]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[2]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[3]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[4]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[5]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[6]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[7]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]
16 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "ed.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[3]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[4]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[5]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[6]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplier[7]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n16 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[0]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[1]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[2]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[3]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[4]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[5]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:17: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplier[6]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/fu…

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local signals
logic [15:0] temp;

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < 8; i++) begin : shift_and_add
        // If the current bit is set, add the multiplicand to the product at the corresponding shifted position
        if (B[i] == 1'b1) begin
            temp <= temp + A << i;
        end
    end
endgenerate

// Store the final product in the output port
product <= temp;

endmodule

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:16: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:16: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:22: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:22: error: Invalid module instantiation

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:16: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:16: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:22: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:22: error: Invalid module instantiation

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:16: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:16: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:22: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/generated.v:22: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:16: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:16: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:22: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_4/functional/generated.v:22: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters for the number of bits in each operand and the result
localparam N = 8; // Number of bits in each operand
localparam M = 16; // Number of bits in the result

// Signals to hold the intermediate values
logic [M-1:0] temp_product;
logic [N-1:0] shifted_A;

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < N; i++) begin : gen_loop
        // If the current bit is set, add the multiplicand to the product
        if (B[i]) begin
            temp_product <= temp_product + A;
        end
        
        // Shift the multiplicand left by one bit for the next iteration
        shifted_A <= shifted_A << 1;
    end
endgenerate

// Assign the final product to the output port
assign product = temp_product;

endmodule

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:21: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:21: error: Invalid module instantiation
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:25: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:25: error: Invalid module instantiation

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:21: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:21: error: Invalid module instantiation
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:25: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:25: error: Invalid module instantiation

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:21: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:21: error: Invalid module instantiation\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:25: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:25: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:21: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:21: error: Invalid module instantiation\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:25: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:25: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters for the number of bits in each operand and the result
localparam N = 8; // Number of bits in each operand
localparam M = 16; // Number of bits in the result

// Signals for the intermediate values
logic [N-1:0] multiplicand;
logic [M-1:0] product_temp;

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < N; i++) begin : shift_loop
        // If the current bit of B is set, add A to the product at the corresponding shifted position
        if (B[i]) begin
            assign product_temp[M-1:N] = product_temp[M-2:N-1]; // Shift left by 1 bit
            assign product_temp[N-1:0] = A + product_temp[N-1:0]; // Add A to the product
        end else begin
            assign product_temp[M-1:N] = product_temp[M-2:N-1]; // Shift left by 1 bit
            assign product_temp[N-1:0] = product_temp[N-1:0]; // No change to the product
        end
    end
endgenerate

// Assign the final product to the output port
assign product = product_temp;
...

[stderr]
_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[5]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[6]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[6]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[7]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[7]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
32 error(s) during elaboration.

[stderr]
c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[3]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[3]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[4]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[4]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[5]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[5]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[6]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[6]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[7]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[7]'
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]
32 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[5]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[6]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[6]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[7]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Unable to bind parameter `B[i]' in `multi_8bit.shift_loop[7]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n32 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[3]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[3]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[4]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[4]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[5]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[5]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Unable to bind parameter `B[i]' in `testbench.uut.shift_loop[6]'\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_5/functional/generated.v:20: error: Cannot evaluate genvar conditional exp…

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  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and variables
localparam WIDTH = 8; // Width of the inputs and outputs
logic [WIDTH-1:0] multiplicand; // Multiplicand (A)
logic [WIDTH-1:0] multiplier;   // Multiplier (B)
logic [2*WIDTH-1:0] product_tmp; // Temporary product

// Shift and add algorithm
always @* begin
    multiplicand = A;
    multiplier = B;
    product_tmp = 0;

    for (int i = 0; i < WIDTH; i++) begin
        if (multiplier[i]) begin
            product_tmp += multiplicand << i;
        end
    end
end

// Assign output
product <= product_tmp;

endmodule

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/generated.v:27: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/generated.v:27: error: Invalid module instantiation

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/functional/generated.v:27: syntax error
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/functional/generated.v:27: error: Invalid module instantiation

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/generated.v:27: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/generated.v:27: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/functional/generated.v:27: syntax error\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_6/functional/generated.v:27: error: Invalid module instantiation\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and wires
localparam WIDTH = 8; // Bit width of the multiplicand and multiplier
wire [WIDTH-1:0] shifted_A; // Shifted version of A for addition
wire [WIDTH-1:0] sum; // Sum of A and B at each iteration
wire [WIDTH-1:0] product_low; // Lower 8 bits of the product
wire [WIDTH-1:0] product_high; // Upper 8 bits of the product

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < WIDTH; i++) begin : shift_and_add
        // Shift A left by one bit to prepare for addition
        assign shifted_A[i] = A << i;
        
        // Add B and the shifted version of A at each iteration
        assign sum[i] = B[i] ? (shifted_A[i] + A) : 0;
    end
endgenerate

// Combine the sums to form the final product
assign product_low = {sum[7:0], 8'b0}; // Lower 8 bits of the product
assign product_high = {sum[15:8], 8'b0}; // Upper 8 bits of the product
assign product = {product_high, product_low}; // Final product

endmodule

[stdout]
, Got =     0
Test failed: A = 150, B =  12, Expected Product =   8, Got =     0
Test failed: A = 194, B = 200, Expected Product = 144, Got =     0
Test failed: A = 119, B =  61, Expected Product =  91, Got =     0
Test failed: A =  18, B = 126, Expected Product = 220, Got =     0
Test failed: A = 109, B =  57, Expected Product =  69, Got =     0
Test failed: A =  31, B = 211, Expected Product = 141, Got =     0
Test failed: A = 133, B = 120, Expected Product =  88, Got =     0
Test failed: A =  91, B =  73, Expected Product = 243, Got =     0
Test failed: A =  63, B =  42, Expected Product =  86, Got =     0
Test failed: A =  88, B = 134, Expected Product =  16, Got =     0
Test failed: A = 142, B = 156, Expected Product = 136, Got =     0
Test failed: A = 250, B =  38, Expected Product =  28, Got =     0
Test failed: A = 115, B = 163, Expected Product =  57, Got =     0
Test failed: A =  47, B = 179, Expected Product = 221, Got =     0
Test failed: A =  95, B =  68, Expected Product =  60, Got =     0
Test failed: A = 247, B = 203, Expected Product = 221, Got =     0
Test failed: A = 230, B =  90, Expected Product = 220, Got =     0
Test failed: A =  41, B = 237, Expected Product = 245, Got =     0
Test failed: A = 218, B = 101, Expected Product =   2, Got =     0
Test failed: A = 181, B = 223, Expected Product = 171, Got =     0
Test failed: A = 121, B =  68, Expected Product =  36, Got =     0
Test failed: A = 208, B =  42, Expected Product =  32, Got =     0
Test failed: A = 171, B =  14, Expected Product =  90, Got =     0
Test failed: A = 220, B = 154, Expected Product =  88, Got =     0
Test failed: A = 253, B = 195, Expected Product = 183, Got =     0
Test failed: A =  86, B =  78, Expected Product =  52, Got =     0
Test failed: A = 103, B =  10, Expected Product =   6, Got =     0
Test failed: A = 182, B =  56, Expected Product = 208, Got =     0
Test failed: A = 121, B = 184, Expected Product = 248, Got =     0
Test failed: A = 148, B = 147, Expected Product = 252, Got =     0
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got =     0",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and signals
localparam WIDTH = 8; // Bit width of the multiplicand and multiplier
logic [WIDTH-1:0] shift_reg; // Shift register for storing intermediate results
logic [WIDTH-1:0] temp; // Temporary variable for storing intermediate results

// Multiplication logic
always @* begin
    product = 0; // Initialize the product to zero
    shift_reg = A; // Load the multiplicand into the shift register

    for (int i = 0; i < WIDTH; i++) begin
        temp = shift_reg << 1; // Logically shift the multiplicand left by one bit
        if (B[i] == 1) begin // If the current bit of the multiplier is set, add the multiplicand to the product
            product += shift_reg;
        end
        shift_reg = temp; // Store the result in the shift register for the next iteration
    end
end

endmodule

[stdout]
, Got =   336
Test failed: A = 215, B =  81, Expected Product =   7, Got =   519
Test failed: A = 150, B =  12, Expected Product =   8, Got =   264
Test failed: A = 194, B = 200, Expected Product = 144, Got =   144
Test failed: A = 119, B =  61, Expected Product =  91, Got =   859
Test failed: A =  18, B = 126, Expected Product = 220, Got =   476
Test failed: A = 109, B =  57, Expected Product =  69, Got =   581
Test failed: A =  31, B = 211, Expected Product = 141, Got =   653
Test failed: A = 133, B = 120, Expected Product =  88, Got =   344
Test failed: A =  91, B =  73, Expected Product = 243, Got =   499
Test failed: A =  63, B =  42, Expected Product =  86, Got =   598
Test failed: A =  88, B = 134, Expected Product =  16, Got =   272
Test failed: A = 142, B = 156, Expected Product = 136, Got =   392
Test failed: A = 250, B =  38, Expected Product =  28, Got =   540
Test failed: A = 115, B = 163, Expected Product =  57, Got =   569
Test failed: A =  47, B = 179, Expected Product = 221, Got =   733
Test failed: A =  95, B =  68, Expected Product =  60, Got =   316
Test failed: A = 247, B = 203, Expected Product = 221, Got =   989
Test failed: A = 230, B =  90, Expected Product = 220, Got =   476
Test failed: A =  41, B = 237, Expected Product = 245, Got =   501
Test failed: A = 218, B = 101, Expected Product =   2, Got =   514
Test failed: A = 181, B = 223, Expected Product = 171, Got =   939
Test failed: A = 121, B =  68, Expected Product =  36, Got =   292
Test failed: A = 208, B =  42, Expected Product =  32, Got =   288
Test failed: A = 171, B =  14, Expected Product =  90, Got =   346
Test failed: A = 220, B = 154, Expected Product =  88, Got =   600
Test failed: A = 253, B = 195, Expected Product = 183, Got =   695
Test failed: A =  86, B =  78, Expected Product =  52, Got =   564
Test failed: A = 103, B =  10, Expected Product =   6, Got =   262
Test failed: A = 182, B =  56, Expected Product = 208, Got =   464
Test failed: A = 121, B = 184, Expected Product = 248, Got =   504
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got =   336",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and signals
localparam WIDTH = 8;
logic [WIDTH-1:0] multiplicand;
logic [WIDTH-1:0] multiplier;
logic [2*WIDTH-1:0] temp_product;

// Multiplication process
always @(*) begin
    // Initialize the product and multiplicand
    product = 0;
    multiplicand = A;
    
    // Iterate through each bit of the multiplier
    for (int i = 0; i < WIDTH; i++) begin
        // If the current bit is set, add the multiplicand to the product
        if (B[i] == 1) begin
            temp_product = {temp_product, multiplicand};
        end
        
        // Shift the multiplicand left by one bit
        multiplicand = {multiplicand[WIDTH-2:0], 1'b0};
    end
    
    // Set the final product
    product = temp_product;
end
...

[stdout]
, Got = 28864
Test failed: A = 150, B =  12, Expected Product =   8, Got = 22704
Test failed: A = 194, B = 200, Expected Product = 144, Got = 32768
Test failed: A = 119, B =  61, Expected Product =  91, Got = 28896
Test failed: A =  18, B = 126, Expected Product = 220, Got = 16512
Test failed: A = 109, B =  57, Expected Product =  69, Got = 53408
Test failed: A =  31, B = 211, Expected Product = 141, Got = 49280
Test failed: A = 133, B = 120, Expected Product =  88, Got = 41024
Test failed: A =  91, B =  73, Expected Product = 243, Got = 55488
Test failed: A =  63, B =  42, Expected Product =  86, Got = 63712
Test failed: A =  88, B = 134, Expected Product =  16, Got = 24576
Test failed: A = 142, B = 156, Expected Product = 136, Got = 57344
Test failed: A = 250, B =  38, Expected Product =  28, Got = 59456
Test failed: A = 115, B = 163, Expected Product =  57, Got = 24704
Test failed: A =  47, B = 179, Expected Product = 221, Got = 57472
Test failed: A =  95, B =  68, Expected Product =  60, Got = 31936
Test failed: A = 247, B = 203, Expected Product = 221, Got = 49280
Test failed: A = 230, B =  90, Expected Product = 220, Got = 24704
Test failed: A =  41, B = 237, Expected Product = 245, Got = 16512
Test failed: A = 218, B = 101, Expected Product =   2, Got = 16512
Test failed: A = 181, B = 223, Expected Product = 171, Got = 16512
Test failed: A = 121, B =  68, Expected Product =  36, Got = 58432
Test failed: A = 208, B =  42, Expected Product =  32, Got = 32768
Test failed: A = 171, B =  14, Expected Product =  90, Got = 44120
Test failed: A = 220, B = 154, Expected Product =  88, Got = 49152
Test failed: A = 253, B = 195, Expected Product = 183, Got = 16512
Test failed: A =  86, B =  78, Expected Product =  52, Got = 45184
Test failed: A = 103, B =  10, Expected Product =   6, Got = 52792
Test failed: A = 182, B =  56, Expected Product = 208, Got = 24768
Test failed: A = 121, B = 184, Expected Product = 248, Got =  8320
Test failed: A = 148, B = 147, Expected Product = 252, Got = 16384
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got = 28864",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input logic [7:0] A,
    input logic [7:0] B,
    output logic [15:0] product
);

// Local parameters for bit widths
localparam WIDTH = 8;
localparam SHIFT = 1;

// Signals for intermediate results
logic [WIDTH-1:0] multiplicand;
logic [WIDTH-1:0] multiplier;
logic [2*WIDTH-1:0] product_tmp;

// Iterate through each bit of the multiplier
genvar i;
generate
    for (i = 0; i < WIDTH; i++) begin : gen_multiplication
        // If the current bit is set, add the multiplicand to the product at the corresponding shifted position
        if (B[i]) begin
            assign product_tmp[2*WIDTH-1:SHIFT] = product_tmp[2*WIDTH-1:SHIFT] + A;
        end
    end
endgenerate

// Shift the multiplicand left by one bit after each addition
assign multiplicand = multiplicand << SHIFT;

// Store the final product in the output port
assign product = product_tmp[2*WIDTH-1:SHIFT];
...

[stderr]
ot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[3]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[4]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[5]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[6]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[7]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
16 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[0]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[1]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[2]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[3]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[4]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[5]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[6]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[7]'
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]
16 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "ot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[3]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[4]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[5]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[6]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Unable to bind parameter `B[i]' in `multi_8bit.gen_multiplication[7]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n16 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[0]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[1]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[2]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[3]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[4]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[5]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Cannot evaluate genvar conditional expression: B[i]\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:21: error: Unable to bind parameter `B[i]' in `testbench.uut.gen_multiplication[6]'\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_ari…

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and variables
localparam NUM_BITS = 8;
logic [NUM_BITS-1:0] multiplicand;
logic [NUM_BITS-1:0] multiplier;
logic [NUM_BITS+3:0] product_temp;

// Multiplication process
always @* begin
    // Initialize the product and multiplicand
    product = 0;
    multiplicand = A;
    
    // Iterate through each bit of the multiplier
    for (int i = 0; i < NUM_BITS; i++) begin
        // If the current bit is set, add the multiplicand to the product
        if (B[i] == 1) begin
            product_temp = {product, multiplicand};
            product = product_temp + multiplicand;
        end
        
        // Shift the multiplicand left by one bit
        multiplicand = multiplicand << 1;
    end
end

// Output the final product
...

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:16: error: product Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:24: error: product Unable to assign to unresolved wires.
2 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:16: error: product Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:24: error: product Unable to assign to unresolved wires.
2 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:16: error: product Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/generated.v:24: error: product Unable to assign to unresolved wires.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:16: error: product Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_8/functional/generated.v:24: error: product Unable to assign to unresolved wires.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters for the number of bits in each operand and the result
localparam N = 8; // Number of bits in each operand
localparam M = 16; // Number of bits in the result

// Signals for the intermediate values
logic [N-1:0] a_shifted;
logic [M-1:0] product_temp;

// Iterate through each bit of the multiplier (B)
genvar i;
generate
    for (i = 0; i < N; i++) begin : shift_and_add
        // Shift the multiplicand left by one bit
        assign a_shifted[i] = A << i;
        
        // Add the multiplicand to the product if the corresponding bit of the multiplier is set (1)
        assign product_temp[i+N-1:0] = B[i] ? {product_temp[i+N-2:0], a_shifted[i]} : {product_temp[i+N-2:0], 1'b0};
    end
endgenerate

// Assign the final product to the output port
assign product = product_temp;

endmodule

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
7 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.
7 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n7 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:23: error: Unresolved net/uwire product_temp cannot have multiple drivers.\n7 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and variables
localparam NUM_BITS = 8; // Number of bits in the multiplicand and multiplier
logic [NUM_BITS-1:0] A_shifted; // Shifted version of A for addition
logic [NUM_BITS-1:0] B_mask; // Mask to extract individual bits from B
logic [NUM_BITS-1:0] product_tmp; // Temporary product storage

// Iterate through each bit of the multiplier (B)
for (int i = 0; i < NUM_BITS; i++) begin
    // Extract individual bits from B using a mask
    B_mask = {NUM_BITS{1'b0}} & ({NUM_BITS{1'b1}} >> i);
    
    // Check if the current bit of B is set (1)
    if (B[i]) begin
        // Add A to the product at the corresponding shifted position
        product_tmp = product + A_shifted;
        
        // Shift A left by one bit for the next addition
        A_shifted = A_shifted << 1;
    end else begin
        // If the current bit of B is not set (0), shift A left by one bit without adding
        A_shifted = A_shifted << 1;
    end
end

// Store the final product in the output port
product = product_tmp;
...

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: error: Invalid module item.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:21: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:21: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:24: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:27: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:27: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:32: error: Invalid module item.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: error: Invalid module item.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:21: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:21: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:24: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:27: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:27: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:32: error: Invalid module item.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: error: Invalid module item.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:14: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:21: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:21: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:24: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:27: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:27: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/generated.v:32: error: Invalid module item.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: error: Invalid module item.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:14: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:21: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:21: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:24: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:27: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:27: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_9/functional/generated.v:32: error: Invalid module item.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and signals
localparam WIDTH = 8; // Width of the multiplicand and multiplier
logic [WIDTH-1:0] shift_reg; // Shift register for storing the result
logic [WIDTH-1:0] temp; // Temporary variable for storing the intermediate results

// Implementation
always @* begin
    // Initialize the shift register with 0s
    shift_reg = {WIDTH{1'b0}};
    
    // Iterate through each bit of the multiplier (B)
    for (int i = WIDTH-1; i >= 0; i--) begin
        // If the current bit is set (1), add the multiplicand (A) to the shift register at the corresponding shifted position
        if (B[i]) begin
            temp = A << i;
            shift_reg = shift_reg + temp;
        end
    end
    
    // Store the final result in the output port
    product = shift_reg;
end

endmodule

[stdout]
, Got =    80
Test failed: A = 215, B =  81, Expected Product =   7, Got =     7
Test failed: A = 150, B =  12, Expected Product =   8, Got =     8
Test failed: A = 194, B = 200, Expected Product = 144, Got =   144
Test failed: A = 119, B =  61, Expected Product =  91, Got =    91
Test failed: A =  18, B = 126, Expected Product = 220, Got =   220
Test failed: A = 109, B =  57, Expected Product =  69, Got =    69
Test failed: A =  31, B = 211, Expected Product = 141, Got =   141
Test failed: A = 133, B = 120, Expected Product =  88, Got =    88
Test failed: A =  91, B =  73, Expected Product = 243, Got =   243
Test failed: A =  63, B =  42, Expected Product =  86, Got =    86
Test failed: A =  88, B = 134, Expected Product =  16, Got =    16
Test failed: A = 142, B = 156, Expected Product = 136, Got =   136
Test failed: A = 250, B =  38, Expected Product =  28, Got =    28
Test failed: A = 115, B = 163, Expected Product =  57, Got =    57
Test failed: A =  47, B = 179, Expected Product = 221, Got =   221
Test failed: A =  95, B =  68, Expected Product =  60, Got =    60
Test failed: A = 247, B = 203, Expected Product = 221, Got =   221
Test failed: A = 230, B =  90, Expected Product = 220, Got =   220
Test failed: A =  41, B = 237, Expected Product = 245, Got =   245
Test failed: A = 218, B = 101, Expected Product =   2, Got =     2
Test failed: A = 181, B = 223, Expected Product = 171, Got =   171
Test failed: A = 121, B =  68, Expected Product =  36, Got =    36
Test failed: A = 208, B =  42, Expected Product =  32, Got =    32
Test failed: A = 171, B =  14, Expected Product =  90, Got =    90
Test failed: A = 220, B = 154, Expected Product =  88, Got =    88
Test failed: A = 253, B = 195, Expected Product = 183, Got =   183
Test failed: A =  86, B =  78, Expected Product =  52, Got =    52
Test failed: A = 103, B =  10, Expected Product =   6, Got =     6
Test failed: A = 182, B =  56, Expected Product = 208, Got =   208
Test failed: A = 121, B = 184, Expected Product = 248, Got =   248
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. , Got =    80",
    "retryable": false,
    "details": {
      "marker": "TEST FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module multi_8bit (
    input  logic [7:0] A,
    input  logic [7:0] B,
    output logic [15:0] product
);

// Local parameters and variables
localparam WIDTH = 8; // Width of the multiplicand and multiplier
logic [WIDTH-1:0] shifted_A; // Shifted version of A
logic [WIDTH-1:0] temp_product; // Temporary product

// Iterate through each bit of the multiplier (B)
for (int i = 0; i < WIDTH; i++) begin
    // If the current bit is set, add A to the product at the corresponding shifted position
    if (B[i]) begin
        temp_product = {temp_product, shifted_A};
    end
    
    // Shift the multiplicand left by one bit
    shifted_A = {shifted_A[WIDTH-2:0], 1'b0};
end

// Assign the final product to the output port
product = temp_product;

endmodule

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: error: Invalid module item.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:20: error: Invalid module item.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:21: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:24: error: Invalid module item.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: error: Invalid module item.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: error: Invalid module instantiation
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:20: error: Invalid module item.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:21: syntax error
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:24: error: Invalid module item.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: error: Invalid module item.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:13: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:20: error: Invalid module item.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:21: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/generated.v:24: error: Invalid module item.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: error: Invalid module item.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:13: error: Invalid module instantiation\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:20: error: Invalid module item.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:21: syntax error\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/rtllm__13_rtllm_arithmetic__task_12/sample_10/functional/generated.v:24: error: Invalid module item.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}