gpt-5.4-nano | RAG off

module verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0->1)
    // S1  : saw 0->1, waiting for 1->0 (first 0 after the rise)
    // S2  : saw 1->0, waiting one more cycle to assert data_out at end of pulse
    localparam [1:0]
        IDLE = 2'b00,
        S1   = 2'b01,
        S2   = 2'b10;

    reg [1:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            data_out <= 1'b0; // default

            case (state)
                IDLE: begin
                    if (data_in == 1'b1) begin
                        state <= S1;
                    end
                end
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for 0->1 transition
    // S1  : saw 0->1 (data_in was 1)
    // S2  : saw 1->0 (data_in is 0) => pulse detected, assert at end cycle
    localparam [1:0] IDLE = 2'b00;
    localparam [1:0] S1   = 2'b01;
    localparam [1:0] S2   = 2'b10;

    reg [1:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            data_out <= 1'b0; // default

            case (state)
                IDLE: begin
                    if (data_in == 1'b1)
                        state <= S1;
                    else
                        state <= IDLE;
                end
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0->1)
    // S1  : saw 1 (data_in=1)
    // S2  : saw 0 (data_in=0) after the rising edge
    // S3  : saw 1 (data_in=1) after the falling edge
    // S4  : saw 0 (data_in=0) after the second rising edge
    //       data_out asserted at this end cycle
    localparam [2:0]
        IDLE = 3'd0,
        S1   = 3'd1,
        S2   = 3'd2,
        S3   = 3'd3,
        S4   = 3'd4;

    reg [2:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            data_out <= 1'b0;

            case (state)
                IDLE: begin
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0->1)
    // S1  : seen 0->1, waiting for falling edge (1->0)
    // S2  : seen 1->0, waiting one more cycle to assert data_out at end of pulse
    localparam [1:0] IDLE = 2'b00;
    localparam [1:0] S1   = 2'b01;
    localparam [1:0] S2   = 2'b10;

    reg [1:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            case (state)
                IDLE: begin
                    data_out <= 1'b0;
                    if (data_in == 1'b1)
                        state <= S1;
                    else
                        state <= IDLE;
                end

                S1: begin
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0->1)
    // S1  : saw 1 (data_in=1)
    // S2  : saw 0 after the 1 (data_in=0) => pulse detected (0->1->0)
    // S3  : one-cycle pulse indication at end of pulse
    localparam [1:0]
        IDLE = 2'd0,
        S1   = 2'd1,
        S2   = 2'd2,
        S3   = 2'd3;

    reg [1:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            case (state)
                IDLE: begin
                    data_out <= 1'b0;
                    if (data_in) state <= S1;
                    else         state <= IDLE;
                end
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0->1)
    // HIGH1: saw 1 (first cycle of high)
    // HIGH2: saw 1 (second cycle of high)
    // LOW1: saw 0 (first cycle of low after high)
    // PULSE_END: assert data_out for one cycle at the end of the pulse
    localparam [2:0]
        IDLE       = 3'd0,
        HIGH1      = 3'd1,
        HIGH2      = 3'd2,
        LOW1       = 3'd3,
        PULSE_END  = 3'd4;

    reg [2:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            case (state)
                IDLE: begin
                    data_out <= 1'b0;
                    if (data_in) state <= HIGH1;
                    else         state <= IDLE;
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    reg [2:0] state;

    localparam S_IDLE  = 3'd0;
    localparam S_SEEN1 = 3'd1; // saw 0->1
    localparam S_SEEN2 = 3'd2; // saw 1->0 (first 0 after 1)
    localparam S_PULSE = 3'd3; // end of pulse (data_out=1)

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= S_IDLE;
            data_out <= 1'b0;
        end else begin
            case (state)
                S_IDLE: begin
                    data_out <= 1'b0;
                    if (data_in) begin
                        state <= S_SEEN1;
                    end else begin
                        state <= S_IDLE;
                    end
                end

                S_SEEN1: begin
                    data_out <= 1'b0;
                    if (!data_in) begin
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    reg [2:0] state;

    localparam S_IDLE  = 3'd0; // waiting for 0->1
    localparam S_HIGH1 = 3'd1; // saw 1 (first cycle high)
    localparam S_HIGH2 = 3'd2; // saw 1 (second cycle high)
    localparam S_HIGH3 = 3'd3; // saw 1 (third cycle high)
    localparam S_LOW1  = 3'd4; // saw 0 after high (first low cycle)
    localparam S_LOW2  = 3'd5; // saw 0 after high (second low cycle)
    localparam S_LOW3  = 3'd6; // saw 0 after high (third low cycle -> pulse ends)

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= S_IDLE;
            data_out <= 1'b0;
        end else begin
            data_out <= 1'b0;

            case (state)
                S_IDLE: begin
                    if (data_in) state <= S_HIGH1;
                    else         state <= S_IDLE;
                end

                S_HIGH1: begin
                    if (data_in) state <= S_HIGH2;
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0 -> 1)
    // HIGH: saw data_in==1, waiting for falling edge (1 -> 0)
    // LOW1: first cycle after falling edge (data_in==0)
    // LOW2: second cycle after falling edge (data_in==0)
    // PULSE_END: assert data_out for one cycle at end of 3-cycle pulse window
    localparam [2:0]
        IDLE       = 3'd0,
        HIGH       = 3'd1,
        LOW1       = 3'd2,
        LOW2       = 3'd3,
        PULSE_END = 3'd4;

    reg [2:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            case (state)
                IDLE: begin
                    data_out <= 1'b0;
                    if (data_in) begin
                        state <= HIGH;
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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 verified_pulse_detect (
    input  wire clk,
    input  wire rst_n,
    input  wire data_in,
    output reg  data_out
);

    // State encoding:
    // IDLE: waiting for rising edge (0->1)
    // P1  : saw 1 (start of pulse), waiting for falling edge
    // P2  : saw 0 after rising, waiting one more cycle (pulse length = 3 cycles total)
    // P3  : end-of-pulse cycle, assert data_out=1 then return to IDLE
    localparam [1:0]
        IDLE = 2'd0,
        P1   = 2'd1,
        P2   = 2'd2,
        P3   = 2'd3;

    reg [1:0] state;

    always @(posedge clk or negedge rst_n) begin
        if (!rst_n) begin
            state    <= IDLE;
            data_out <= 1'b0;
        end else begin
            case (state)
                IDLE: begin
                    data_out <= 1'b0;
                    if (data_in) begin
                        state <= P1;
                    end else begin
                        state <= IDLE;
...

[stderr]
/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect
3 error(s) during elaboration.
*** These modules were missing:
        pulse_detect referenced 1 times.
***

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_miscellaneous/task_08/tb.v:10: error: Unknown module type: pulse_detect\n3 error(s) during elaboration.\n*** These modules were missing:\n        pulse_detect referenced 1 times.\n***\n",
    "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
}