codellama:13b | RAG on

module serial2parallel(
    clk, rst_n, din_serial, din_valid, dout_parallel, dout_valid
);
    input clk;
    input rst_n;
    input din_serial;
    input din_valid;
    output wire [7:0] dout_parallel;
    output reg dout_valid;

    // internal registers
    reg [2:0] cnt;
    reg [7:0] tmp_data;

    always @(posedge clk or negedge rst_n) begin
        if (rst_n == 1'b0) begin
            cnt <= 3'b0;
            dout_valid <= 1'b0;
        end else begin
            // count the number of serial input data bits received
            if (din_valid == 1'b1) begin
                cnt <= cnt + 1;
            end

            // shift the input data into the output parallel data
            tmp_data[7:0] <= {tmp_data[6:0], din_serial};

            // when all 8 serial data bits have been received, set the valid output signal to 1
            if (cnt == 3'b111) begin
                dout_valid <= 1'b1;
            end
        end
...

[stdout]
===========Error===========
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:60: $finish called at 232 (1s)

[error]
OpenLane failed: 2

[
  {
    "stage": "openlane",
    "code": "openlane.failed",
    "message": "OpenLane failed: 2",
    "retryable": false,
    "details": {}
  }
]

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

module serial2parallel(
    input clk,
    input rst_n,
    input din_serial,
    input din_valid,
    output reg dout_parallel,
    output reg dout_valid
);

// 4-bit counter to keep track of the number of serial input data bits received
reg [3:0] cnt;

always @(posedge clk or negedge rst_n) begin
    if (rst_n == 1'b0) begin
        // reset the counter and output signals when reset is asserted
        cnt <= 4'd0;
        dout_parallel <= 8'd0;
        dout_valid <= 1'b0;
    end else begin
        if (din_valid == 1'b1) begin
            // increment the counter and shift in new data when valid input is received
            cnt <= cnt + 4'd1;
            dout_parallel[cnt] <= din_serial;
            if (cnt == 4'd7) begin
                // set the output valid signal to 1 when all 8 input bits have been received
                dout_valid <= 1'b1;
            end
        end
    end
end

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_2/generated.v:30: syntax error
I give up.

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error
I give up.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_2/generated.v:30: syntax error\nI give up.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error\nI give up.\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 serial2parallel(
    clk, rst_n, din_serial, din_valid, dout_parallel, dout_valid
);
    input clk;
    input rst_n;
    input din_serial;
    input din_valid;
    output wire [7:0] dout_parallel;
    output reg dout_valid;

    // Internal registers
    reg [3:0] cnt;
    reg [7:0] tmp_data;

    always @(posedge clk or negedge rst_n) begin
        if (rst_n == 1'b0) begin
            cnt <= 4'd0;
            dout_valid <= 1'b0;
        end else begin
            // Shift register logic
            tmp_data[7:0] <= {tmp_data[6:0], din_serial};
            if (din_valid == 1'b1) begin
                cnt <= cnt + 4'd1;
                if (cnt == 4'd8) begin
                    dout_parallel <= tmp_data;
                    dout_valid <= 1'b1;
                    cnt <= 4'd0;
                end
            end
        end
    end
endmodule

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/generated.v:25: error: dout_parallel is not a valid l-value in serial2parallel.
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/generated.v:8:      : dout_parallel is declared here as wire.
1 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/functional/generated.v:25: error: dout_parallel is not a valid l-value in tb.u0.
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/functional/generated.v:8:      : dout_parallel is declared here as wire.
1 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/generated.v:25: error: dout_parallel is not a valid l-value in serial2parallel.\n/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/generated.v:8:      : dout_parallel is declared here as wire.\n1 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/functional/generated.v:25: error: dout_parallel is not a valid l-value in tb.u0.\n/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_3/functional/generated.v:8:      : dout_parallel is declared here as wire.\n1 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 serial2parallel (
    input clk,
    input rst_n,
    input din_serial,
    input din_valid,
    output reg dout_parallel,
    output reg dout_valid
);

// 4-bit counter to keep track of the number of serial input data bits received
reg [3:0] cnt;

always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset the counter and output signals when reset is low
        cnt <= 4'b0;
        dout_parallel <= 8'b0;
        dout_valid <= 1'b0;
    end else begin
        if (din_valid) begin
            // Increment the counter and shift in new data when valid input is received
            cnt <= cnt + 4'b1;
            dout_parallel[cnt] <= din_serial;
        end
        
        if (cnt == 8'b1111) begin
            // Set the output valid signal to 1 when all 8 input data bits have been received
            dout_valid <= 1'b1;
        end else begin
            // Otherwise, set the output valid signal to 0
            dout_valid <= 1'b0;
        end
...

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_4/generated.v:34: syntax error
I give up.

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error
I give up.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_4/generated.v:34: syntax error\nI give up.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error\nI give up.\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 serial2parallel(
    clk, rst_n, din_serial, din_valid, dout_parallel, dout_valid
);
    input clk;
    input rst_n;
    input din_serial;
    input din_valid;
    output wire [7:0] dout_parallel;
    output reg dout_valid;

    // Internal registers
    reg [2:0] cnt;
    reg [7:0] data;

    always @(posedge clk or negedge rst_n) begin
        if (rst_n == 1'b0) begin
            cnt <= 3'b0;
            dout_valid <= 1'b0;
        end else begin
            // Count the number of serial input bits received
            if (din_valid == 1'b1) begin
                cnt <= cnt + 1;
            end

            // Shift the data into the output register when all 8 bits have been received
            if (cnt == 3'b111) begin
                dout_parallel <= data;
                dout_valid <= 1'b1;
            end else begin
                dout_valid <= 1'b0;
            end
        end
...

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/generated.v:27: error: dout_parallel is not a valid l-value in serial2parallel.
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/generated.v:8:      : dout_parallel is declared here as wire.
1 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/functional/generated.v:27: error: dout_parallel is not a valid l-value in tb.u0.
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/functional/generated.v:8:      : dout_parallel is declared here as wire.
1 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/generated.v:27: error: dout_parallel is not a valid l-value in serial2parallel.\n/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/generated.v:8:      : dout_parallel is declared here as wire.\n1 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/functional/generated.v:27: error: dout_parallel is not a valid l-value in tb.u0.\n/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_5/functional/generated.v:8:      : dout_parallel is declared here as wire.\n1 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 verified_serial2parallel(
    clk, rst_n, din_serial, din_valid, dout_parallel, dout_valid
);
    input clk;
    input rst_n;
    input din_serial;
    input din_valid;
    output wire [7:0] dout_parallel;
    output reg dout_valid;

    // Internal signals
    reg [2:0] cnt;
    reg [7:0] tmp_data;

    always @(posedge clk or negedge rst_n) begin
        if (rst_n == 1'b0) begin
            cnt <= 3'b0;
            dout_valid <= 1'b0;
        end else begin
            // Shift in new data on rising edge of clock
            if (clk == 1'b1) begin
                tmp_data[cnt] <= din_serial;
                cnt <= cnt + 3'b1;
            end

            // Check for valid input and output
            if (din_valid && cnt == 3'b111) begin
                dout_parallel <= tmp_data;
                dout_valid <= 1'b1;
            end else begin
                dout_valid <= 1'b0;
            end
...

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_6/generated.v:28: error: dout_parallel is not a valid l-value in verified_serial2parallel.
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_6/generated.v:8:      : dout_parallel is declared here as wire.
1 error(s) during elaboration.

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:62: error: Unknown module type: serial2parallel
3 error(s) during elaboration.
*** These modules were missing:
        serial2parallel referenced 1 times.
***

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_6/generated.v:28: error: dout_parallel is not a valid l-value in verified_serial2parallel.\n/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_6/generated.v:8:      : dout_parallel is declared here as wire.\n1 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:62: error: Unknown module type: serial2parallel\n3 error(s) during elaboration.\n*** These modules were missing:\n        serial2parallel referenced 1 times.\n***\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 serial2parallel(
    clk, rst_n, din_serial, din_valid, dout_parallel, dout_valid
);
    input clk;
    input rst_n;
    input din_serial;
    input din_valid;
    output wire [7:0] dout_parallel;
    output reg dout_valid;

    // Internal registers
    reg [3:0] cnt;
    reg [7:0] tmp_data;

    always @(posedge clk or negedge rst_n) begin
        if (rst_n == 1'b0) begin
            cnt <= 4'd0;
            dout_valid <= 1'b0;
        end else begin
            // Count the number of serial input bits received
            if (din_valid == 1'b1 && din_serial == 1'b1) begin
                cnt <= cnt + 4'd1;
            end

            // Shift the data into the output register when all 8 bits have been received
            if (cnt == 4'd7) begin
                tmp_data[7:0] <= {tmp_data[6:0], din_serial};
                cnt <= 4'd0;
                dout_valid <= 1'b1;
            end
        end
    end
...

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_error",
    "message": "error",
    "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 serial2parallel(
    clk, rst_n, din_serial, din_valid, dout_parallel, dout_valid
);
    input clk;
    input rst_n;
    input din_serial;
    input din_valid;
    output wire [7:0] dout_parallel;
    output reg dout_valid;

    // Internal registers
    reg [2:0] cnt;
    reg [7:0] tmp_data;

    always @(posedge clk or negedge rst_n) begin
        if (rst_n == 1'b0) begin
            cnt <= 3'd0;
            dout_valid <= 1'b0;
        end else begin
            // Shift register logic
            if (din_valid == 1'b1 && din_serial == 1'b1) begin
                tmp_data[cnt] <= 1'b1;
                cnt <= cnt + 3'd1;
            end else begin
                tmp_data[cnt] <= 1'b0;
                cnt <= cnt - 3'd1;
            end

            // Valid output logic
            if (cnt == 3'd7) begin
                dout_valid <= 1'b1;
            end else begin
...

[stdout]
===========Error===========
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:60: $finish called at 307 (1s)

[error]
OpenLane failed: 2

[
  {
    "stage": "openlane",
    "code": "openlane.failed",
    "message": "OpenLane failed: 2",
    "retryable": false,
    "details": {}
  }
]

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

module serial2parallel(
    input clk,
    input rst_n,
    input din_serial,
    input din_valid,
    output reg dout_parallel,
    output reg dout_valid
);

// 4-bit counter to keep track of number of serial input data bits received
reg [3:0] cnt;

always @(posedge clk or negedge rst_n) begin
    if (rst_n == 1'b0) begin
        // Reset the counter and output valid signal to 0 when reset is asserted
        cnt <= 4'd0;
        dout_valid <= 1'b0;
    end else begin
        // Increment the counter on every rising edge of clock
        if (clk == 1'b1) begin
            cnt <= cnt + 4'd1;
        end
        
        // Check if the counter has reached 8, indicating that all 8 serial input data bits have been received
        if (cnt == 4'd8) begin
            // Set the output valid signal to 1 and reset the counter to 0
            dout_valid <= 1'b1;
            cnt <= 4'd0;
            
            // Shift the input data into the parallel output data
            dout_parallel <= {din_serial, dout_parallel[7:1]};
        end else begin
...

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_9/generated.v:38: syntax error
I give up.

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error
I give up.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_9/generated.v:38: syntax error\nI give up.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error\nI give up.\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 serial2parallel(
    input clk,
    input rst_n,
    input din_serial,
    input din_valid,
    output reg dout_parallel,
    output reg dout_valid
);

// 4-bit counter to keep track of the number of serial input data bits received
reg [3:0] cnt;

always @(posedge clk or negedge rst_n) begin
    if (rst_n == 1'b0) begin
        // reset the counter and output signals when the reset signal is asserted
        cnt <= 4'd0;
        dout_parallel <= 8'd0;
        dout_valid <= 1'b0;
    end else begin
        if (din_valid == 1'b1) begin
            // increment the counter and shift the input data into the output when a valid input is received
            cnt <= cnt + 4'd1;
            dout_parallel <= {dout_parallel[6:0], din_serial};
        end else if (cnt == 4'd7) begin
            // set the valid output signal to 1 when all 8 input data bits have been received
            dout_valid <= 1'b1;
        end else begin
            // otherwise, keep the counter and output signals at their current values
            cnt <= cnt;
            dout_parallel <= dout_parallel;
            dout_valid <= dout_valid;
        end
...

[stderr]
/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_10/generated.v:34: syntax error
I give up.

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error
I give up.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260426_075435_225972_f32200/tmp/codellama/rtllm__13_rtllm_miscellaneous__task_09/sample_10/generated.v:34: syntax error\nI give up.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_09/tb.v:71: syntax error\nI give up.\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
}