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gpt-5.4-mini | RAG on

13_rtllm_arithmetic / task_17 | fixed_point_subtractor

benchmarkrtllm
task_idrtllm/13_rtllm_arithmetic/task_17
samples_total21
final_success_samples18
final_success_rate_samples85.7%
functional_pass_rate_samples85.7%
synth_pass_rate_samples85.7%
source_runsrun_20260424_203453_201510_6e98ce, run_20260424_212142_473417_af1ca5, run_20260424_230145_632624_082334

Что показывает эта страница

Здесь перечислены все реальные попытки этой модели на одной задаче. По каждой попытке можно увидеть, до какой стадии она дошла, где именно сломалась и какое сообщение об ошибке вернулось из syntax, functional или synthesis.

Samples

sample run extract_ok syntax_ok functional_ok openlane_ok final_success failure_stage failure_reason details
sample_1 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_1
generated.v preview
module fixed_point_subtractor #(
    parameter Q = 8,
    parameter N = 16
)(
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;
    wire a_gt_b;
    wire a_eq_b;
    wire same_sign;
    wire result_sign;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + {{(N-2){1'b0}},1'b1})}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + {{(N-2){1'b0}},1'b1})}) : b;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_1 run_20260424_212142_473417_af1ca5 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_212142_473417_af1ca5__sample_1
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_r;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;

    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;

    wire [N:0] sum_mag;
    wire [N-2:0] diff_mag;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + 1'b1)}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + 1'b1)}) : b;

    assign sum_mag  = {1'b0, abs_a[N-2:0]} + {1'b0, abs_b[N-2:0]};
    assign diff_mag = (abs_a[N-2:0] >= abs_b[N-2:0]) ? (abs_a[N-2:0] - abs_b[N-2:0]) : (abs_b[N-2:0] - abs_a[N-2:0]);
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_1 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_1
generated.v preview
module fixed_point_subtractor
#(
    parameter Q = 8,
    parameter N = 16
)
(
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;
    assign c = res;

    wire sign_a = a[N-1];
    wire sign_b = b[N-1];

    wire [N-2:0] mag_a = a[N-2:0];
    wire [N-2:0] mag_b = b[N-2:0];

    wire [N:0] sum_mag = {1'b0, mag_a} + {1'b0, mag_b};
    wire [N-2:0] diff_mag_ab = mag_a - mag_b;
    wire [N-2:0] diff_mag_ba = mag_b - mag_a;

    always @* begin
        res = {N{1'b0}};

        if (a == b) begin
            res = {N{1'b0}};
        end else if (sign_a == sign_b) begin
            if (mag_a >= mag_b) begin
                res[N-1]   = sign_a;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_2 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_2
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_c;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;

    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;

    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + 1'b1)}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + 1'b1)}) : b;

    assign sum_mag  = {1'b0, abs_a[N-2:0]} + {1'b0, abs_b[N-2:0]};
    assign diff_mag = (abs_a[N-2:0] >= abs_b[N-2:0]) ? (abs_a[N-2:0] - abs_b[N-2:0]) : (abs_b[N-2:0] - abs_a[N-2:0]);
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_2 run_20260424_230145_632624_082334 ok failed failed skipped failed syntax /data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:42: error: sign_r is not a valid l-value in fixed_point_subtractor.
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_2
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_r;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    reg  [N-2:0] mag_r;

    wire [N:0] abs_a_ext;
    wire [N:0] abs_b_ext;
    reg  [N:0] sum_ext;
    reg  [N:0] diff_ext;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a_ext = {1'b0, mag_a};
    assign abs_b_ext = {1'b0, mag_b};

    assign c = res;
...
syntax details
[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:42: error: sign_r is not a valid l-value in fixed_point_subtractor.
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:11:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:45: error: sign_r is not a valid l-value in fixed_point_subtractor.
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:11:      : sign_r is declared here as wire.
2 error(s) during elaboration.
functional details
[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:42: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:11:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:45: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:11:      : sign_r is declared here as wire.
2 error(s) during elaboration.
synthesis details
[error]
None
errors[]
[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:42: error: sign_r is not a valid l-value in fixed_point_subtractor.\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:11:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:45: error: sign_r is not a valid l-value in fixed_point_subtractor.\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/generated.v:11:      : sign_r 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_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:42: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:11:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:45: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_2/functional/generated.v:11:      : sign_r is declared here as wire.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]
outcome
{
  "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
}
sample_3 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_3
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_c;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-2:0] mag_diff;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0]   sum_abs;
    wire [N-1:0] diff_same_sign;
    wire [N-1:0] sum_diff_sign;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + 1'b1)}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + 1'b1)}) : b;

    assign diff_same_sign = a - b;
    assign sum_abs = {1'b0, abs_a} + {1'b0, abs_b};
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_3 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_3
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sa;
    wire sb;
    wire [N-2:0] a_mag;
    wire [N-2:0] b_mag;
    wire [N-1:0] a_abs;
    wire [N-1:0] b_abs;
    wire [N:0]   diff_ext;
    wire [N:0]   sum_ext;
    wire [N-1:0] diff_mag;
    wire [N-1:0] sum_mag;
    wire         diff_sign;
    wire         sum_sign;
    wire         same_sign;
    wire         zero_diff;
    wire         zero_sum;

    assign sa = a[N-1];
    assign sb = b[N-1];

    assign a_mag = a[N-2:0];
    assign b_mag = b[N-2:0];

    assign a_abs = {1'b0, a_mag};
    assign b_abs = {1'b0, b_mag};
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_4 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_4
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;
    wire a_gt_b;
    wire b_gt_a;
    wire same_sign;
    wire diff_sign;
    wire result_sign;
    wire [N-1:0] result_mag;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];
    assign mag_a  = a[N-2:0];
    assign mag_b  = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + 1'b1)}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + 1'b1)}) : b;

    assign same_sign = ~(sign_a ^ sign_b);
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_4 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_4
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_r;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;

    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;

    wire [N:0] sum_mag;
    wire [N-2:0] diff_mag;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + 1'b1)}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + 1'b1)}) : b;

    assign sign_r = (sign_a == sign_b) ? sign_a :
                     (abs_a >= abs_b) ? sign_a : sign_b;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_5 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_5
generated.v preview
module fixed_point_subtractor #
(
    parameter Q = 8,
    parameter N = 16
)
(
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;
    wire a_ge_b;
    wire b_ge_a;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + 1'b1)}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + 1'b1)}) : b;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_5 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_5
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_r;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-2:0] mag_r;

    wire [N:0] ext_a;
    wire [N:0] ext_b;
    wire [N:0] ext_diff;
    wire [N:0] ext_sum;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign ext_a = {1'b0, a};
    assign ext_b = {1'b0, b};

    assign ext_diff = ext_a - ext_b;
    assign ext_sum  = ext_a + ext_b;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_6 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_6
generated.v preview
module fixed_point_subtractor
#(
    parameter Q = 8,
    parameter N = 16
)
(
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;
    wire a_gt_b;
    wire b_gt_a;
    wire same_sign;
    wire result_sign;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_6 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_6
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_r;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;

    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;

    reg [N-1:0] tmp_res;
    reg [N-1:0] sum_mag;
    reg [N-1:0] diff_mag;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = (sign_a) ? ({1'b0, (~mag_a + {{(N-2){1'b0}},1'b1})}) : a;
    assign abs_b = (sign_b) ? ({1'b0, (~mag_b + {{(N-2){1'b0}},1'b1})}) : b;

    always @* begin
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_7 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_7
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;
    reg sign_a;
    reg sign_b;
    reg sign_r;
    reg [N-2:0] mag_a;
    reg [N-2:0] mag_b;
    reg [N-2:0] mag_r;
    reg [N-1:0] tmp;
    reg [N:0] ext_a;
    reg [N:0] ext_b;
    reg [N:0] ext_r;
    reg [N-1:0] abs_a;
    reg [N-1:0] abs_b;

    assign c = res;

    always @* begin
        sign_a = a[N-1];
        sign_b = b[N-1];
        res    = {N{1'b0}};
        tmp    = {N{1'b0}};
        abs_a  = a;
        abs_b  = b;

        if (sign_a) begin
            abs_a = (~a) + {{(N-1){1'b0}}, 1'b1};
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_7 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_7
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-2:0] diff_mag;
    wire a_ge_b;
    wire same_sign;
    wire result_sign;
    wire [N-1:0] result_same_sign;
    wire [N-1:0] result_diff_sign;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = {1'b0, mag_a};
    assign abs_b = {1'b0, mag_b};

    assign same_sign = ~(sign_a ^ sign_b);
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_8 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_8
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sign_a;
    wire sign_b;
    wire sign_c;

    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-2:0] mag_diff;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0]   abs_sum;

    wire [N-1:0] same_sign_diff;
    wire [N-1:0] diff_sign_sum;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = sign_a ? ({1'b0, (~mag_a + {{(N-2){1'b0}},1'b1})}) : a;
    assign abs_b = sign_b ? ({1'b0, (~mag_b + {{(N-2){1'b0}},1'b1})}) : b;

    assign same_sign_diff = a - b;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_8 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_8
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;
    assign c = res;

    wire sign_a;
    wire sign_b;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;

    wire [N-1:0] a_neg;
    wire [N-1:0] b_neg;

    wire [N:0] sum_mag;
    wire [N-2:0] diff_mag;

    wire a_gt_b;
    wire b_gt_a;

    assign sign_a = a[N-1];
    assign sign_b = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign a_neg = (~a) + {{(N-1){1'b0}}, 1'b1};
    assign b_neg = (~b) + {{(N-1){1'b0}}, 1'b1};
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_9 run_20260424_203453_201510_6e98ce ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_9
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;
    reg sign_a;
    reg sign_b;
    reg sign_r;
    reg [N-2:0] mag_a;
    reg [N-2:0] mag_b;
    reg [N-1:0] abs_a;
    reg [N-1:0] abs_b;
    reg [N:0]   sum_mag;
    reg [N-1:0] diff_mag;

    assign c = res;

    always @* begin
        sign_a = a[N-1];
        sign_b = b[N-1];

        if (sign_a)
            abs_a = (~a) + {{(N-1){1'b0}}, 1'b1};
        else
            abs_a = a;

        if (sign_b)
            abs_b = (~b) + {{(N-1){1'b0}}, 1'b1};
        else
            abs_b = b;
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}
sample_9 run_20260424_230145_632624_082334 ok failed failed skipped failed syntax /data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:49: syntax error
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_9
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sa;
    wire sb;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;
    wire a_ge_b;
    wire b_ge_a;
    wire same_sign;
    wire diff_sign;
    wire [N-1:0] same_sign_res;
    wire [N-1:0] diff_sign_res;

    assign sa = a[N-1];
    assign sb = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = {1'b0, mag_a};
    assign abs_b = {1'b0, mag_b};
...
syntax details
[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:49: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:49: error: Malformed statement
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:51: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:51: error: Malformed statement
functional details
[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:49: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:49: error: Malformed statement
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:51: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:51: error: Malformed statement
synthesis details
[error]
None
errors[]
[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:49: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:49: error: Malformed statement\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:51: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/generated.v:51: error: Malformed statement\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:49: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:49: error: Malformed statement\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:51: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_17/sample_9/functional/generated.v:51: error: Malformed statement\n",
    "retryable": false,
    "details": {}
  }
]
outcome
{
  "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
}
sample_10 run_20260424_203453_201510_6e98ce ok failed failed skipped failed syntax /data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:61: error: sign_r is not a valid l-value in fixed_point_subtractor.
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_203453_201510_6e98ce__sample_10
generated.v preview
module fixed_point_subtractor
#(
    parameter Q = 8,
    parameter N = 16
)
(
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

reg [N-1:0] res;
assign c = res;

wire sign_a;
wire sign_b;
wire sign_r;

wire [N-2:0] mag_a;
wire [N-2:0] mag_b;

wire [N-1:0] a_neg;
wire [N-1:0] b_neg;

wire [N-1:0] abs_a;
wire [N-1:0] abs_b;

wire [N:0] sum_mag;
wire [N-1:0] diff_mag;

assign sign_a = a[N-1];
assign sign_b = b[N-1];
...
syntax details
[stderr]
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:61: error: sign_r is not a valid l-value in fixed_point_subtractor.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:64: error: sign_r is not a valid l-value in fixed_point_subtractor.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:69: error: sign_r is not a valid l-value in fixed_point_subtractor.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:72: error: sign_r is not a valid l-value in fixed_point_subtractor.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.
4 error(s) during elaboration.
functional details
[stderr]
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:61: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:64: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:69: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:72: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.
4 error(s) during elaboration.
synthesis details
[error]
None
errors[]
[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:61: error: sign_r is not a valid l-value in fixed_point_subtractor.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:64: error: sign_r is not a valid l-value in fixed_point_subtractor.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:69: error: sign_r is not a valid l-value in fixed_point_subtractor.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:72: error: sign_r is not a valid l-value in fixed_point_subtractor.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/generated.v:17:      : sign_r 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_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:61: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:64: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:69: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:72: error: sign_r is not a valid l-value in tb_fixed_point_subtractor.uut.\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_17/sample_10/functional/generated.v:17:      : sign_r is declared here as wire.\n4 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]
outcome
{
  "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
}
sample_10 run_20260424_230145_632624_082334 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-mini\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_17\samples\run_20260424_230145_632624_082334__sample_10
generated.v preview
module fixed_point_subtractor #(parameter Q = 8, parameter N = 16) (
    input  [N-1:0] a,
    input  [N-1:0] b,
    output [N-1:0] c
);

    reg [N-1:0] res;

    wire sa;
    wire sb;
    wire [N-2:0] mag_a;
    wire [N-2:0] mag_b;
    wire [N-1:0] abs_a;
    wire [N-1:0] abs_b;
    wire [N:0] sum_mag;
    wire [N-1:0] diff_mag;
    wire [N-1:0] pos_result;
    wire [N-1:0] neg_result;
    wire same_sign;
    wire a_ge_b;
    wire b_ge_a;
    wire zero_result;

    assign sa = a[N-1];
    assign sb = b[N-1];

    assign mag_a = a[N-2:0];
    assign mag_b = b[N-2:0];

    assign abs_a = {1'b0, mag_a};
    assign abs_b = {1'b0, mag_b};
...
functional details
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_17/tb.v:73: $finish called at 1000000 (1ps)
synthesis details
[error]
None
outcome
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}