10_fault_tolerant_safety / task_100 | ecc_guarded_byte
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.
| sample | run | extract_ok | syntax_ok | functional_ok | openlane_ok | final_success | failure_stage | failure_reason | details |
|---|---|---|---|---|---|---|---|---|---|
| sample_1 | run_20260426_070416_680227_376b99 | ok | ok | failed | failed | failed | functional | Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5 |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_1
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored byte and its 8-bit "ECC" codeword.
// Codeword layout (8 bits total):
// [7:4] = parity nibble p[3:0]
// [3:0] = data nibble d[3:0]
// Parity generation:
// p0 = d0 ^ d1 ^ d3
// p1 = d0 ^ d2 ^ d3
// p2 = d1 ^ d2 ^ d3
// p3 = d0 ^ d1 ^ d2 ^ d3
//
// Syndrome:
// s = p ^ p_calc(d)
// Single-bit fault in any of the 8 codeword bits is corrected by flipping
// the bit indicated by the syndrome (if syndrome matches a valid mapping).
// Double-bit faults are detected as uncorrectable when syndrome is non-zero
// but does not map to a unique single-bit location.
reg [7:0] stored_byte;
...
functional details[stdout] ERROR (clean read): data_out=00 expected=a5 ERROR (clean read): uncorrectable_error=1 expected=0 ERROR (clean read): fault_sticky=1 expected=0 ERROR (clean read pulse clear): fault_sticky=1 expected=0 ERROR (double fault priority): data_out=3c expected=00 ERROR (double fault priority): uncorrectable_error=0 expected=1 ERROR (double fault priority): fault_sticky=0 expected=1 ERROR (sticky after double fault): fault_sticky=0 expected=1 ERROR (stored data preserved): data_out=00 expected=3c ERROR (stored data preserved): uncorrectable_error=1 expected=0 TEST_FAILED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (1ps) synthesis details[error] None errors[][
{
"stage": "functional",
"code": "functional.output_failed_marker",
"message": "Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5",
"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": {}
}
]
outcome{
"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
}
|
| sample_2 | run_20260426_070416_680227_376b99 | ok | failed | failed | skipped | failed | syntax | /tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:201: error: Malformed statement |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_2
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored byte and its ECC (SECDED-style for 8-bit data).
// We implement a deterministic SECDED mapping:
// - 8 data bits: d[0]..d[7]
// - 4 parity bits: p[0]..p[3] (Hamming over positions 1..12)
// - 1 overall parity bit: op (parity over all 12 bits)
//
// Codeword bits (12 total):
// position 1..12, excluding 8 (parity positions are 1,2,4,8; data fill others)
// data bits map to positions: 3,5,6,7,9,10,11,12 in order to d[0]..d[7]
//
// Syndrome computed from parity checks over positions 1..12.
// Overall parity used to distinguish single vs double errors.
reg [7:0] stored_data;
reg [3:0] stored_p;
reg stored_op;
// Helper: compute ECC for an 8-bit input.
...
syntax details[stderr] /tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:201: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:202: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:202: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:203: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:203: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:204: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:204: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:205: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:205: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:206: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:206: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:207: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:207: error: Malformed statement functional details[stderr] /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:201: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:201: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:202: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:202: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:203: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:203: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:204: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:204: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:205: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:205: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:206: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:206: error: Malformed statement /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:207: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:207: error: Malformed statement synthesis details[error] None errors[][
{
"stage": "syntax",
"code": "syntax.iverilog_failed",
"message": "/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:201: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:202: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:202: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:203: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:203: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:204: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:204: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:205: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:205: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:206: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:206: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:207: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/generated.v:207: error: Malformed statement\n",
"retryable": false,
"details": {}
},
{
"stage": "functional",
"code": "functional.testbench_failed",
"message": "/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:201: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:201: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:202: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:202: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:203: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:203: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:204: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:204: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:205: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:205: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:206: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:206: error: Malformed statement\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:207: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_2/functional/generated.v:207: 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_3 | run_20260426_070416_680227_376b99 | ok | ok | ok | ok | ok | success | Full pipeline success |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_3
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored byte and its 8-bit ECC (SECDED-style for 8-bit data).
// We use an 8-bit Hamming code (SEC) over 8 data bits with 4 parity bits
// plus 4 overall parity bits to enable DED (double-error detect).
// For simplicity and synthesizability, we implement a deterministic
// ECC mapping and a syndrome-based correction.
//
// Codeword bits:
// p[0..3] : Hamming parity bits (positions 1,2,4,8 in a conceptual 12-bit code)
// d[0..7] : data bits
// p_overall: overall parity bit (DED)
//
// We pack into ecc[7:0] as:
// ecc[3:0] = p[0..3]
// ecc[4] = p_overall
// ecc[7:5] = reserved/unused (kept for fixed width; not used in decode)
//
// This yields a SECDED-like behavior for this module's fault model:
...
functional details[stdout] TEST_PASSED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (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_20260426_070416_680227_376b99 | ok | ok | ok | ok | ok | success | Full pipeline success |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_4
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored payload and its protection bits (SECDED-style: 8 data + 4 parity + 1 overall parity)
reg [7:0] stored_data;
reg [3:0] stored_p; // parity bits p[0..3]
reg stored_opa; // overall parity
// One-cycle read response registers
reg [7:0] read_data_corr;
reg read_corr_pulse;
reg read_uncorr_pulse;
reg read_valid_pulse;
// Combinational ECC generation/check
function [3:0] ecc_parity8;
input [7:0] d;
reg [3:0] p;
begin
// Parity equations (linear, deterministic):
...
functional details[stdout] TEST_PASSED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (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_20260426_070416_680227_376b99 | ok | ok | failed | failed | failed | functional | Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5 |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_5
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored byte and its ECC (SECDED-style for 8-bit data).
// We use an extended Hamming code over 8 data bits:
// - 4 parity bits (p1,p2,p4,p8) covering positions 1..12 excluding parity positions
// - 1 overall parity bit (p0) for SECDED.
reg [7:0] stored_data;
reg [4:0] stored_ecc; // {p0, p8, p4, p2, p1}
// Combinational ECC generation for a given 8-bit data.
function [4:0] ecc_gen;
input [7:0] d;
reg p1, p2, p4, p8, p0;
reg [11:0] code; // positions 1..12 (index 1..12), index 0 unused
integer i;
begin
// Map data bits into positions 3,5,6,7,9,10,11,12
// Parity positions: 1,2,4,8
code = 12'b0;
...
functional details[stdout] ERROR (clean read): data_out=00 expected=a5 ERROR (clean read): data_valid=0 expected=1 ERROR (clean read pulse clear): data_valid=1 expected=0 ERROR (clean read pulse clear): uncorrectable_error=1 expected=0 ERROR (clean read pulse clear): fault_sticky=1 expected=0 ERROR (single fault corrected): data_out=00 expected=a5 ERROR (single fault corrected): data_valid=0 expected=1 ERROR (single fault corrected): correctable_error=0 expected=1 ERROR (sticky after single fault): data_valid=1 expected=0 ERROR (sticky after single fault): uncorrectable_error=1 expected=0 ERROR (double fault priority): data_valid=0 expected=1 ERROR (double fault priority): uncorrectable_error=0 expected=1 ERROR (double fault priority): fault_sticky=0 expected=1 ERROR (sticky after double fault): data_valid=1 expected=0 ERROR (sticky after double fault): uncorrectable_error=1 expected=0 ERROR (stored data preserved): data_out=00 expected=3c ERROR (stored data preserved): data_valid=0 expected=1 ERROR (storage cleared by reset): data_valid=0 expected=1 TEST_FAILED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (1ps) synthesis details[error] None errors[][
{
"stage": "functional",
"code": "functional.output_failed_marker",
"message": "Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5",
"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": {}
}
]
outcome{
"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
}
|
| sample_6 | run_20260426_070416_680227_376b99 | ok | failed | failed | skipped | failed | syntax | /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/generated.v:159: syntax error |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_6
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low asynchronous reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// SECDED-style for 8-bit data:
// Use 4 parity bits (p0..p3) over data bits (d0..d7) and one overall parity (p4).
// Codeword bits: [p4 p3 p2 p1 p0 d7..d0] (total 9 bits).
// Syndrome (4 bits) identifies a single-bit error among the 8 data bits and 4 parity bits.
// Overall parity distinguishes single vs double errors.
//
// Mapping:
// p0 covers d0,d1,d3,d4,d6
// p1 covers d0,d2,d3,d5,d6
// p2 covers d1,d2,d3,d7
// p3 covers d4,d5,d6,d7
//
// Parity bits are computed so that syndrome becomes 0 when codeword is intact.
// Overall parity is XOR of all 9 bits.
reg [7:0] stored_data;
reg [4:0] stored_p; // [4]=p4 overall, [3:0]=p3..p0
...
syntax details[stderr] /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/generated.v:159: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/generated.v:159: error: Malformed statement functional details[stderr] /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/functional/generated.v:159: syntax error /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/functional/generated.v:159: error: Malformed statement synthesis details[error] None errors[][
{
"stage": "syntax",
"code": "syntax.iverilog_failed",
"message": "/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/generated.v:159: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/generated.v:159: error: Malformed statement\n",
"retryable": false,
"details": {}
},
{
"stage": "functional",
"code": "functional.testbench_failed",
"message": "/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/functional/generated.v:159: syntax error\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_6/functional/generated.v:159: 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_7 | run_20260426_070416_680227_376b99 | ok | ok | failed | failed | failed | functional | Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5 |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_7
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored protected codeword (SECDED-style for 8-bit data).
// We use a standard Hamming(13,8) with 5 parity bits (p1..p5) and an overall parity (p0).
// Codeword bits (13 total):
// positions 1,2,4,8,16? -> but we only need up to 13 => parity positions: 1,2,4,8
// plus data positions: 3,5,6,7,9,10,11,12 (8 data bits)
// overall parity bit is separate (p0) => total 14 bits? To keep 13 bits total, we store:
// - 13-bit "cw" = positions 1..13 (parity at 1,2,4,8; data at 3,5,6,7,9,10,11,12; position 13 unused)
// However SECDED requires overall parity across all bits. We'll implement with 13-bit cw plus overall parity bit.
// Store as 14 bits: [13:0] where cw[12:0] are positions 1..13 and cw[13] is overall parity.
//
// Mapping:
// cw_pos[1] = p1
// cw_pos[2] = p2
// cw_pos[3] = d0
// cw_pos[4] = p4
// cw_pos[5] = d1
// cw_pos[6] = d2
...
functional details[stdout] ERROR (clean read): data_out=00 expected=a5 ERROR (clean read): data_valid=0 expected=1 ERROR (clean read pulse clear): data_valid=1 expected=0 ERROR (clean read pulse clear): uncorrectable_error=1 expected=0 ERROR (clean read pulse clear): fault_sticky=1 expected=0 ERROR (single fault corrected): data_out=00 expected=a5 ERROR (single fault corrected): data_valid=0 expected=1 ERROR (single fault corrected): correctable_error=0 expected=1 ERROR (sticky after single fault): data_valid=1 expected=0 ERROR (sticky after single fault): uncorrectable_error=1 expected=0 ERROR (double fault priority): data_valid=0 expected=1 ERROR (double fault priority): uncorrectable_error=0 expected=1 ERROR (double fault priority): fault_sticky=0 expected=1 ERROR (sticky after double fault): data_valid=1 expected=0 ERROR (sticky after double fault): uncorrectable_error=1 expected=0 ERROR (stored data preserved): data_out=00 expected=3c ERROR (stored data preserved): data_valid=0 expected=1 ERROR (storage cleared by reset): data_valid=0 expected=1 TEST_FAILED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (1ps) synthesis details[error] None errors[][
{
"stage": "functional",
"code": "functional.output_failed_marker",
"message": "Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5",
"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": {}
}
]
outcome{
"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
}
|
| sample_8 | run_20260426_070416_680227_376b99 | ok | failed | failed | skipped | failed | syntax | /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:85: error: Function ecc_guarded_byte.ecc_decode_correct port corr is not an input port. |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_8
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored byte and its ECC (SECDED-style for 8-bit data).
// We implement a standard Hamming(13,8) with 5 parity bits (p1..p5) plus
// one overall parity bit (p0) -> total 6 parity bits.
//
// Codeword bits (1..13):
// 1:p1, 2:p2, 3:d0, 4:p3, 5:d1, 6:d2, 7:d3,
// 8:p4, 9:d4, 10:d5, 11:d6, 12:d7, 13:p5
//
// Overall parity p0 covers all 13 codeword bits.
reg [7:0] stored_data;
reg [5:0] stored_ecc; // {p0, p5, p4, p3, p2, p1} = {overall, p5..p1}
// One-cycle read response registers
reg [7:0] read_data_next;
reg data_valid_next;
reg corr_next;
reg uncorr_next;
...
syntax details[stderr] /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:85: error: Function ecc_guarded_byte.ecc_decode_correct port corr is not an input port. /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:85: : Function arguments must be input ports. /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:86: error: Function ecc_guarded_byte.ecc_decode_correct port uncorr is not an input port. /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:86: : Function arguments must be input ports. 2 error(s) during elaboration. functional details[stderr] /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:85: error: Function tb_task_81.dut.ecc_decode_correct port corr is not an input port. /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:85: : Function arguments must be input ports. /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:86: error: Function tb_task_81.dut.ecc_decode_correct port uncorr is not an input port. /data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:86: : Function arguments must be input ports. 2 error(s) during elaboration. synthesis details[error] None errors[][
{
"stage": "syntax",
"code": "syntax.iverilog_failed",
"message": "/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:85: error: Function ecc_guarded_byte.ecc_decode_correct port corr is not an input port.\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:85: : Function arguments must be input ports.\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:86: error: Function ecc_guarded_byte.ecc_decode_correct port uncorr is not an input port.\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/generated.v:86: : Function arguments must be input ports.\n2 error(s) during elaboration.\n",
"retryable": false,
"details": {}
},
{
"stage": "functional",
"code": "functional.testbench_failed",
"message": "/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:85: error: Function tb_task_81.dut.ecc_decode_correct port corr is not an input port.\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:85: : Function arguments must be input ports.\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:86: error: Function tb_task_81.dut.ecc_decode_correct port uncorr is not an input port.\n/data/eval/out/run_20260426_070416_680227_376b99/tmp/gpt5_4_nano/pashencev__10_fault_tolerant_safety__task_100/sample_8/functional/generated.v:86: : Function arguments must be input ports.\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_9 | run_20260426_070416_680227_376b99 | ok | ok | failed | failed | failed | functional | Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5 |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_9
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored byte and its ECC (SECDED-style for 8-bit data).
// We use a standard Hamming(12,8) with 4 parity bits (p1,p2,p4,p8) plus an overall parity bit (p0).
// Codeword bits:
// p1 covers positions with LSB=1 among positions 1..12 (excluding p0)
// p2 covers positions with bit1=1
// p4 covers positions with bit2=1
// p8 covers positions with bit3=1
// data bits are placed in positions: 3,5,6,7,9,10,11,12
// p0 is overall parity across all 12 bits (data+parity) to make SECDED.
reg [7:0] stored_data;
reg [4:0] stored_ecc; // {p0, p8, p4, p2, p1} => total 5 bits
// Combinational ECC encode for a given byte
function [4:0] ecc_encode8;
input [7:0] d;
reg p1, p2, p4, p8, p0;
reg [11:0] cw; // positions 1..12 mapped to cw[1]..cw[12]
...
functional details[stdout] ERROR (clean read): data_out=00 expected=a5 ERROR (clean read): uncorrectable_error=1 expected=0 ERROR (clean read): fault_sticky=1 expected=0 ERROR (clean read pulse clear): fault_sticky=1 expected=0 ERROR (single fault corrected): data_out=00 expected=a5 ERROR (single fault corrected): correctable_error=0 expected=1 ERROR (single fault corrected): uncorrectable_error=1 expected=0 ERROR (stored data preserved): data_out=00 expected=3c ERROR (stored data preserved): uncorrectable_error=1 expected=0 ERROR (storage cleared by reset): uncorrectable_error=1 expected=0 ERROR (storage cleared by reset): fault_sticky=1 expected=0 TEST_FAILED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (1ps) synthesis details[error] None errors[][
{
"stage": "functional",
"code": "functional.output_failed_marker",
"message": "Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5",
"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": {}
}
]
outcome{
"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
}
|
| sample_10 | run_20260426_070416_680227_376b99 | ok | ok | failed | failed | failed | functional | Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5 |
Open detailssample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\gpt-5-4-nano\rag_on\benchmarks\ilyasov\tasks\ilyasov__10_fault_tolerant_safety__task_100\samples\run_20260426_070416_680227_376b99__sample_10
generated.v previewmodule ecc_guarded_byte (
input clk,
input rst_n, // active-low async reset
input write_en,
input read_en,
input [7:0] data_in,
input inject_single_fault,
input inject_double_fault,
output reg [7:0] data_out,
output reg data_valid,
output reg correctable_error,
output reg uncorrectable_error,
output reg fault_sticky
);
// Stored protected codeword (SECDED-style for 8-bit data).
// We implement a deterministic SECDED mapping:
// - 4 parity bits (p1..p4) over 12-bit Hamming positions (1..12 excluding parity positions 1,2,4,8)
// - 1 overall parity bit (p0) for double-error detection.
//
// Codeword layout (12 bits for Hamming + 1 overall parity):
// Positions 1..12:
// parity positions: 1,2,4,8
// data positions: 3,5,6,7,9,10,11,12 (8 bits)
// Overall parity bit: position 0 (p0)
//
// We store the full 13-bit codeword: {p0, p4, p3, p2, p1, data[7:0] mapped}
// Internally represent as:
// cw[12:0] where cw[12]=p0, cw[11:8]=p4..p1, cw[7:0]=data bits in order [7:0]
// But for syndrome computation we rebuild the 12-bit Hamming code positions.
reg [12:0] cw_reg; // {p0, p4, p3, p2, p1, d[7:0]} with d[7:0] stored directly
...
functional details[stdout] ERROR (clean read): data_out=00 expected=a5 ERROR (clean read): uncorrectable_error=1 expected=0 ERROR (clean read): fault_sticky=1 expected=0 ERROR (clean read pulse clear): fault_sticky=1 expected=0 ERROR (single fault corrected): data_out=00 expected=a5 ERROR (single fault corrected): correctable_error=0 expected=1 ERROR (single fault corrected): uncorrectable_error=1 expected=0 ERROR (stored data preserved): data_out=00 expected=3c ERROR (stored data preserved): uncorrectable_error=1 expected=0 ERROR (storage cleared by reset): uncorrectable_error=1 expected=0 ERROR (storage cleared by reset): fault_sticky=1 expected=0 TEST_FAILED /workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_100/tb.v:176: $finish called at 136000 (1ps) synthesis details[error] None errors[][
{
"stage": "functional",
"code": "functional.output_failed_marker",
"message": "Functional output contains failure marker: TEST_FAILED. ERROR (clean read): data_out=00 expected=a5",
"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": {}
}
]
outcome{
"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
}
|