codellama:13b | RAG off

module dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [32:0] result;
reg out_valid_r;

always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset internal state
        result <= 0;
        out_valid_r <= 0;
    end else begin
        // Accept input tuple and compute result
        if (in_valid) begin
            result <= a * b + c * d;
            out_valid_r <= 1;
        end

        // Drive output
        y <= result;
        out_valid <= out_valid_r;
    end
...

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:30: error: y is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:10:      : y is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:31: error: out_valid is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:9:      : out_valid is declared here as wire.
2 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:30: error: y is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:10:      : y is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:31: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:9:      : out_valid is declared here as wire.
2 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:30: error: y is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:10:      : y is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:31: error: out_valid is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/generated.v:9:      : out_valid is declared here as wire.\n2 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/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:30: error: y is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:10:      : y is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:31: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_1/functional/generated.v:9:      : out_valid is declared here as wire.\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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset signals
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
  input clk,
  input rst_n,
  input in_valid,
  input signed [15:0] a,
  input signed [15:0] b,
  input signed [15:0] c,
  input signed [15:0] d,
  output out_valid,
  output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
  if (~rst_n) begin
    a_reg <= 'b0;
    b_reg <= 'b0;
    c_reg <= 'b0;
    d_reg <= 'b0;
    out_valid_reg <= 'b0;
    y_reg <= 'b0;
  end else begin
    // Accept input tuple when in_valid is high
    if (in_valid) begin
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Internal wires
wire a_b_prod = a * b;
wire c_d_prod = c * d;
wire sum = a_b_prod + c_d_prod;

always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset all internal state
        a_reg <= 0;
        b_reg <= 0;
        c_reg <= 0;
        d_reg <= 0;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg [32:0] y_reg;

// Clock and reset signals
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal signals
reg [32:0] result;
reg [32:0] prev_result;
reg in_valid_r;
reg out_valid_r;

always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset internal state
        result <= 32'b0;
        prev_result <= 32'b0;
        in_valid_r <= 1'b0;
        out_valid_r <= 1'b0;
    end else begin
        if (in_valid) begin
            // Accept new input tuple
            result <= a * b + c * d;
            prev_result <= result;
            in_valid_r <= 1'b1;
        end
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Internal wires
wire in_valid_sync;
wire clk_en;

// Synchronize input signals to clock domain
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
...

[stderr]
342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:23:      : clk_en is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:49: error: clk_en is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:23:      : clk_en is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:56: error: out_valid is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:57: error: y is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:10:      : y is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:59: error: out_valid is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:60: error: y is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:10:      : y is declared here as wire.
6 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:47: error: clk_en is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:23:      : clk_en is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:49: error: clk_en is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:23:      : clk_en is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:56: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:57: error: y is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:10:      : y is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:59: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:60: error: y is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:10:      : y is declared here as wire.
6 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:23:      : clk_en is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:49: error: clk_en is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:23:      : clk_en is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:56: error: out_valid is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:57: error: y is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:10:      : y is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:59: error: out_valid is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:60: error: y is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/generated.v:10:      : y is declared here as wire.\n6 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/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:47: error: clk_en is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:23:      : clk_en is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:49: error: clk_en is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:23:      : clk_en is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:56: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:57: error: y is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:10:      : y is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:59: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:60: error: y is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_5/functional/generated.v:10:      : y is declared here as wire.\n6 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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Internal wires
wire a_b_product;
wire c_d_product;
wire sum;

// Product multipliers
mac_16x16 mac_a_b (
    .clk(clk),
    .rst_n(rst_n),
    .in_valid(in_valid),
    .a(a),
    .b(b),
...

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/generated.v:27: error: Unknown module type: mac_16x16
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/generated.v:37: error: Unknown module type: mac_16x16
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/generated.v:48: error: Unknown module type: mac_32x32
4 error(s) during elaboration.
*** These modules were missing:
        mac_16x16 referenced 2 times.
        mac_32x32 referenced 1 times.
***

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/functional/generated.v:27: error: Unknown module type: mac_16x16
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/functional/generated.v:37: error: Unknown module type: mac_16x16
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/functional/generated.v:48: error: Unknown module type: mac_32x32
4 error(s) during elaboration.
*** These modules were missing:
        mac_16x16 referenced 2 times.
        mac_32x32 referenced 1 times.
***

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/generated.v:27: error: Unknown module type: mac_16x16\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/generated.v:37: error: Unknown module type: mac_16x16\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/generated.v:48: error: Unknown module type: mac_32x32\n4 error(s) during elaboration.\n*** These modules were missing:\n        mac_16x16 referenced 2 times.\n        mac_32x32 referenced 1 times.\n***\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/functional/generated.v:27: error: Unknown module type: mac_16x16\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/functional/generated.v:37: error: Unknown module type: mac_16x16\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_6/functional/generated.v:48: error: Unknown module type: mac_32x32\n4 error(s) during elaboration.\n*** These modules were missing:\n        mac_16x16 referenced 2 times.\n        mac_32x32 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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset signals
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [32:0] result;
reg out_valid_r;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset internal state
        result <= 0;
        out_valid_r <= 0;
    end else begin
        // Update internal state based on input and output valid signals
        if (in_valid & ~out_valid_r) begin
            result <= a * b + c * d;
            out_valid_r <= 1;
        end else if (~in_valid & out_valid_r) begin
            // Hold previous value of y when input is not valid
            result <= result;
            out_valid_r <= 0;
        end
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers and wires
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
wire signed [32:0] y_int;
reg out_valid_reg = 1'b0;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
            b_reg <= b;
...

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:43: error: y_int is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:18:      : y_int is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:46: error: y_int is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:18:      : y_int is declared here as wire.
2 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:43: error: y_int is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:18:      : y_int is declared here as wire.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:46: error: y_int is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:18:      : y_int is declared here as wire.
2 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:43: error: y_int is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:18:      : y_int is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:46: error: y_int is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/generated.v:18:      : y_int is declared here as wire.\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/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:43: error: y_int is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:18:      : y_int is declared here as wire.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:46: error: y_int is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_8/functional/generated.v:18:      : y_int is declared here as wire.\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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg signed [32:0] y_reg;

// Clock and reset handling
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        a_reg <= 16'b0;
        b_reg <= 16'b0;
        c_reg <= 16'b0;
        d_reg <= 16'b0;
        out_valid_reg <= 1'b0;
        y_reg <= 32'b0;
    end else begin
        if (in_valid) begin
            a_reg <= a;
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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 dual_mac_timing (
    input clk,
    input rst_n,
    input in_valid,
    input signed [15:0] a,
    input signed [15:0] b,
    input signed [15:0] c,
    input signed [15:0] d,
    output out_valid,
    output signed [32:0] y
);

// Internal signals
reg [32:0] result;
reg [32:0] prev_result;
wire [32:0] next_result = (a * b) + (c * d);

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        result <= 0;
        out_valid <= 0;
    end else begin
        // Accept new input tuple
        if (in_valid) begin
            result <= next_result;
            out_valid <= 1;
        end

        // Hold previous output value when not valid
        if (!out_valid) begin
            y <= prev_result;
        end else begin
...

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:21: error: out_valid is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:26: error: out_valid is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:31: error: y is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:10:      : y is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:33: error: y is not a valid l-value in dual_mac_timing.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:10:      : y is declared here as wire.
4 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:21: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:26: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:9:      : out_valid is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:31: error: y is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:10:      : y is declared here as wire.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:33: error: y is not a valid l-value in tb_dual_mac_timing.dut.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:10:      : y is declared here as wire.
4 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:21: error: out_valid is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:26: error: out_valid is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:31: error: y is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:10:      : y is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:33: error: y is not a valid l-value in dual_mac_timing.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/generated.v:10:      : y is declared here as wire.\n4 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/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:21: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:26: error: out_valid is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:9:      : out_valid is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:31: error: y is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:10:      : y is declared here as wire.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:33: error: y is not a valid l-value in tb_dual_mac_timing.dut.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__09_constraint_aware_timing__task_90/sample_10/functional/generated.v:10:      : y is declared here as wire.\n4 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 dual_mac_timing (
  input clk,
  input rst_n,
  input in_valid,
  input signed [15:0] a,
  input signed [15:0] b,
  input signed [15:0] c,
  input signed [15:0] d,
  output out_valid,
  output signed [32:0] y
);

// Internal registers
reg [15:0] a_reg;
reg [15:0] b_reg;
reg [15:0] c_reg;
reg [15:0] d_reg;
reg out_valid_reg;
reg [32:0] y_reg;

// Internal wires
wire a_b_prod = a * b;
wire c_d_prod = c * d;
wire sum = a_b_prod + c_d_prod;

always @(posedge clk or negedge rst_n) begin
  if (~rst_n) begin
    // Reset logic
    out_valid_reg <= 0;
    y_reg <= 0;
  end else begin
    // Normal operation
...

[stdout]
FAIL: out_valid did not match the required 1-cycle latency.
TEST_FAILED
/workspace/banchmarks/pashencev/09_constraint_aware_timing/task_90/tb.v:120: $finish called at 136000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. FAIL: out_valid did not match the required 1-cycle latency.",
    "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
}