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deepseek-coder-v2:16b | RAG off

13_rtllm_arithmetic / task_04 | verified_adder_8bit

benchmarkrtllm
task_idrtllm/13_rtllm_arithmetic/task_04
samples_total10
final_success_samples0
final_success_rate_samples0.0%
functional_pass_rate_samples20.0%
synth_pass_rate_samples0.0%
source_runsrun_20260427_102437_171676_163c0c

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_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_1
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

wire [6:0] carries;

full_adder fa0 (.a(a[0]), .b(b[0]), .cin(cin), .sum(sum[0]), .cout(carries[0]));
full_adder fa1 (.a(a[1]), .b(b[1]), .cin(carries[0]), .sum(sum[1]), .cout(carries[1]));
full_adder fa2 (.a(a[2]), .b(b[2]), .cin(carries[1]), .sum(sum[2]), .cout(carries[2]));
full_adder fa3 (.a(a[3]), .b(b[3]), .cin(carries[2]), .sum(sum[3]), .cout(carries[3]));
full_adder fa4 (.a(a[4]), .b(b[4]), .cin(carries[3]), .sum(sum[4]), .cout(carries[4]));
full_adder fa5 (.a(a[5]), .b(b[5]), .cin(carries[4]), .sum(sum[5]), .cout(carries[5]));
full_adder fa6 (.a(a[6]), .b(b[6]), .cin(carries[5]), .sum(sum[6]), .cout(carries[6]));
full_adder fa7 (.a(a[7]), .b(b[7]), .cin(carries[6]), .sum(sum[7]), .cout(cout));

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

assign sum = a ^ b ^ cin;
assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_20260427_102437_171676_163c0c ok ok ok failed failed synthesis OpenLane failed: 2
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_2
generated.v preview 
module adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carry;

    full_adder fa0 (a[0], b[0], cin, sum[0], carry[0]);
    full_adder fa1 (a[1], b[1], carry[0], sum[1], carry[1]);
    full_adder fa2 (a[2], b[2], carry[1], sum[2], carry[2]);
    full_adder fa3 (a[3], b[3], carry[2], sum[3], carry[3]);
    full_adder fa4 (a[4], b[4], carry[3], sum[4], carry[4]);
    full_adder fa5 (a[5], b[5], carry[4], sum[5], carry[5]);
    full_adder fa6 (a[6], b[6], carry[5], sum[6], carry[6]);
    full_adder fa7 (a[7], b[7], carry[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stdout]
===========Your Design Passed===========
synthesis details 
[error]
OpenLane failed: 2
errors[] 
[
  {
    "stage": "openlane",
    "code": "openlane.failed",
    "message": "OpenLane failed: 2",
    "retryable": false,
    "details": {}
  }
]
outcome 
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}
sample_3 run_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_3
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carries;

    full_adder fa0 (a[0], b[0], cin, sum[0], carries[0]);
    full_adder fa1 (a[1], b[1], carries[0], sum[1], carries[1]);
    full_adder fa2 (a[2], b[2], carries[1], sum[2], carries[2]);
    full_adder fa3 (a[3], b[3], carries[2], sum[3], carries[3]);
    full_adder fa4 (a[4], b[4], carries[3], sum[4], carries[4]);
    full_adder fa5 (a[5], b[5], carries[4], sum[5], carries[5]);
    full_adder fa6 (a[6], b[6], carries[5], sum[6], carries[6]);
    full_adder fa7 (a[7], b[7], carries[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_4 run_20260427_102437_171676_163c0c ok ok ok failed failed synthesis OpenLane failed: 2
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_4
generated.v preview 
module adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carries;

    full_adder fa0 (a[0], b[0], cin, sum[0], carries[0]);
    full_adder fa1 (a[1], b[1], carries[0], sum[1], carries[1]);
    full_adder fa2 (a[2], b[2], carries[1], sum[2], carries[2]);
    full_adder fa3 (a[3], b[3], carries[2], sum[3], carries[3]);
    full_adder fa4 (a[4], b[4], carries[3], sum[4], carries[4]);
    full_adder fa5 (a[5], b[5], carries[4], sum[5], carries[5]);
    full_adder fa6 (a[6], b[6], carries[5], sum[6], carries[6]);
    full_adder fa7 (a[7], b[7], carries[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stdout]
===========Your Design Passed===========
synthesis details 
[error]
OpenLane failed: 2
errors[] 
[
  {
    "stage": "openlane",
    "code": "openlane.failed",
    "message": "OpenLane failed: 2",
    "retryable": false,
    "details": {}
  }
]
outcome 
{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}
sample_5 run_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_5
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carry;

    full_adder fa0 (a[0], b[0], cin, sum[0], carry[0]);
    full_adder fa1 (a[1], b[1], carry[0], sum[1], carry[1]);
    full_adder fa2 (a[2], b[2], carry[1], sum[2], carry[2]);
    full_adder fa3 (a[3], b[3], carry[2], sum[3], carry[3]);
    full_adder fa4 (a[4], b[4], carry[3], sum[4], carry[4]);
    full_adder fa5 (a[5], b[5], carry[4], sum[5], carry[5]);
    full_adder fa6 (a[6], b[6], carry[5], sum[6], carry[6]);
    full_adder fa7 (a[7], b[7], carry[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_6
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

wire [6:0] carries;

full_adder fa0 (.a(a[0]), .b(b[0]), .cin(cin), .sum(sum[0]), .cout(carries[0]));
full_adder fa1 (.a(a[1]), .b(b[1]), .cin(carries[0]), .sum(sum[1]), .cout(carries[1]));
full_adder fa2 (.a(a[2]), .b(b[2]), .cin(carries[1]), .sum(sum[2]), .cout(carries[2]));
full_adder fa3 (.a(a[3]), .b(b[3]), .cin(carries[2]), .sum(sum[3]), .cout(carries[3]));
full_adder fa4 (.a(a[4]), .b(b[4]), .cin(carries[3]), .sum(sum[4]), .cout(carries[4]));
full_adder fa5 (.a(a[5]), .b(b[5]), .cin(carries[4]), .sum(sum[5]), .cout(carries[5]));
full_adder fa6 (.a(a[6]), .b(b[6]), .cin(carries[5]), .sum(sum[6]), .cout(carries[6]));
full_adder fa7 (.a(a[7]), .b(b[7]), .cin(carries[6]), .sum(sum[7]), .cout(cout));

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

assign sum = a ^ b ^ cin;
assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_7 run_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_7
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carries;

    full_adder fa0 (a[0], b[0], cin, sum[0], carries[0]);
    full_adder fa1 (a[1], b[1], carries[0], sum[1], carries[1]);
    full_adder fa2 (a[2], b[2], carries[1], sum[2], carries[2]);
    full_adder fa3 (a[3], b[3], carries[2], sum[3], carries[3]);
    full_adder fa4 (a[4], b[4], carries[3], sum[4], carries[4]);
    full_adder fa5 (a[5], b[5], carries[4], sum[5], carries[5]);
    full_adder fa6 (a[6], b[6], carries[5], sum[6], carries[6]);
    full_adder fa7 (a[7], b[7], carries[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_8
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carry;

    full_adder fa0 (a[0], b[0], cin, sum[0], carry[0]);
    full_adder fa1 (a[1], b[1], carry[0], sum[1], carry[1]);
    full_adder fa2 (a[2], b[2], carry[1], sum[2], carry[2]);
    full_adder fa3 (a[3], b[3], carry[2], sum[3], carry[3]);
    full_adder fa4 (a[4], b[4], carry[3], sum[4], carry[4]);
    full_adder fa5 (a[5], b[5], carry[4], sum[5], carry[5]);
    full_adder fa6 (a[6], b[6], carry[5], sum[6], carry[6]);
    full_adder fa7 (a[7], b[7], carry[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_9 run_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_9
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

wire [6:0] carries;
full_adder fa0 (.a(a[0]), .b(b[0]), .cin(cin), .sum(sum[0]), .cout(carries[0]));
full_adder fa1 (.a(a[1]), .b(b[1]), .cin(carries[0]), .sum(sum[1]), .cout(carries[1]));
full_adder fa2 (.a(a[2]), .b(b[2]), .cin(carries[1]), .sum(sum[2]), .cout(carries[2]));
full_adder fa3 (.a(a[3]), .b(b[3]), .cin(carries[2]), .sum(sum[3]), .cout(carries[3]));
full_adder fa4 (.a(a[4]), .b(b[4]), .cin(carries[3]), .sum(sum[4]), .cout(carries[4]));
full_adder fa5 (.a(a[5]), .b(b[5]), .cin(carries[4]), .sum(sum[5]), .cout(carries[5]));
full_adder fa6 (.a(a[6]), .b(b[6]), .cin(carries[5]), .sum(sum[6]), .cout(carries[6]));
full_adder fa7 (.a(a[7]), .b(b[7]), .cin(carries[6]), .sum(sum[7]), .cout(cout));

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);
assign sum = a ^ b ^ cin;
assign cout = (a & b) | (b & cin) | (a & cin);
endmodule
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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_20260427_102437_171676_163c0c ok ok failed skipped failed functional /workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\deepseek-coder-v2-16b\rag_off\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_04\samples\run_20260427_102437_171676_163c0c__sample_10
generated.v preview 
module verified_adder_8bit (
    input  [7:0] a,
    input  [7:0] b,
    input        cin,
    output [7:0] sum,
    output       cout
);

    wire [6:0] carries;

    full_adder fa0 (a[0], b[0], cin, sum[0], carries[0]);
    full_adder fa1 (a[1], b[1], carries[0], sum[1], carries[1]);
    full_adder fa2 (a[2], b[2], carries[1], sum[2], carries[2]);
    full_adder fa3 (a[3], b[3], carries[2], sum[3], carries[3]);
    full_adder fa4 (a[4], b[4], carries[3], sum[4], carries[4]);
    full_adder fa5 (a[5], b[5], carries[4], sum[5], carries[5]);
    full_adder fa6 (a[6], b[6], carries[5], sum[6], carries[6]);
    full_adder fa7 (a[7], b[7], carries[6], sum[7], cout);

endmodule

module full_adder (
    input  a,
    input  b,
    input  cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (b & cin) | (a & cin);
...
functional details 
[stderr]
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit
3 error(s) during elaboration.
*** These modules were missing:
        adder_8bit referenced 1 times.
***
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_04/tb.v:16: error: Unknown module type: adder_8bit\n3 error(s) during elaboration.\n*** These modules were missing:\n        adder_8bit referenced 1 times.\n***\n",
    "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
}