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qwen3-coder:30b | RAG on

13_rtllm_arithmetic / task_08 | comparator_4bit

benchmarkrtllm
task_idrtllm/13_rtllm_arithmetic/task_08
samples_total31
final_success_samples23
final_success_rate_samples74.2%
functional_pass_rate_samples74.2%
synth_pass_rate_samples74.2%
source_runsrun_20260424_203453_201510_6e98ce, run_20260424_212142_473417_af1ca5, run_20260424_230145_632624_082334, run_20260426_141859_833435_7c9834

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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_1
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (diff == 0);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_212142_473417_af1ca5__sample_1
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (diff == 0);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_1
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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_20260426_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_1
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_2
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 ok failed failed failed functional Functional output contains failure marker: TEST FAILED. = 0, A_less = 0
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_2
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate difference using full adder logic
    assign diff[0] = A[0] ^ B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    // For full subtraction, we need to handle carry propagation
    // Using ripple carry approach for simplicity
    wire c1, c2, c3;
    
    assign c1 = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    assign c2 = (A[2] & ~B[2]) | (A[2] & c1) | (~B[2] & c1);
    assign c3 = (A[3] & ~B[3]) | (A[3] & c2) | (~B[3] & c2);
    
    // Final difference calculation
    assign diff[1] = A[1] ^ B[1] ^ carry_out;
    assign diff[2] = A[2] ^ B[2] ^ c1;
    assign diff[3] = A[3] ^ B[3] ^ c2;
    
    // Determine outputs based on subtraction result
...
functional details 
[stdout]
= 0, A_less = 0
Test failed: A = 1111, B = 1100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1011, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 0000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0111, B = 0001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1100, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0010, B = 1000, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0111, B = 1101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0010, B = 1110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1011, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 1010, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1000, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1110, B = 1100, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1010, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0111, B = 1011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 1101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1010, B = 0101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0101, B = 1111, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 0100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0000, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1100, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1000, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 1000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0100, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
...
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. = 0, A_less = 0",
    "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_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_2
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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_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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_3
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 failed failed failed functional Functional output contains failure marker: TEST FAILED. = 0, A_less = 0
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_3
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate difference using full adder logic
    assign diff[0] = A[0] ^ B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    // For full subtraction, we need to handle carry propagation
    // Using ripple carry approach for simplicity
    wire c1, c2, c3;
    
    assign c1 = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    assign c2 = (A[2] & ~B[2]) | (A[2] & c1) | (~B[2] & c1);
    assign c3 = (A[3] & ~B[3]) | (A[3] & c2) | (~B[3] & c2);
    
    // Calculate difference bits
    assign diff[1] = A[1] ^ B[1] ^ carry_out;
    assign diff[2] = A[2] ^ B[2] ^ c1;
    assign diff[3] = A[3] ^ B[3] ^ c2;
    
    // Determine outputs based on subtraction result
...
functional details 
[stdout]
= 0, A_less = 0
Test failed: A = 1111, B = 1100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1011, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 0000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0111, B = 0001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1100, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0010, B = 1000, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0111, B = 1101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0010, B = 1110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1011, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 1010, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1000, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1110, B = 1100, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1010, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0111, B = 1011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 1101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1010, B = 0101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0101, B = 1111, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 0100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0000, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1100, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1000, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 1000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0100, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
...
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. = 0, A_less = 0",
    "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_3 run_20260426_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_3
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_4
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (diff == 0);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 failed failed failed functional Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_4
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate subtraction using full adder logic
    // A - B = A + (~B + 1) = A + (~B) + carry_in
    assign diff[0] = A[0] ^ ~B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    assign diff[1] = A[1] ^ ~B[1] ^ carry_out;
    assign carry_out = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    
    assign diff[2] = A[2] ^ ~B[2] ^ carry_out;
    assign carry_out = (A[2] & ~B[2]) | (A[2] & carry_out) | (~B[2] & carry_out);
    
    assign diff[3] = A[3] ^ ~B[3] ^ carry_out;
    
    // Determine comparison results
    assign A_greater = ~carry_out & (diff[3] | diff[2] | diff[1] | diff[0]);
    assign A_equal   = ~(diff[3] | diff[2] | diff[1] | diff[0]);
    assign A_less    = carry_out & ~A_equal;
...
functional details 
[stdout]
Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 0000, B = 0000, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 1111, B = 1111, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 1000, B = 0111, A_greater = 0, A_equal = 1, A_less = 0
Test failed: A = 0011, B = 0011, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 0110, B = 0110, A_greater = x, A_equal = 0, A_less = x
=========== Test completed with           6 /100 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $finish called at 1000000 (1ps)
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x",
    "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_4 run_20260426_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_4
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_5
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_5
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder logic with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate difference using full adder logic
    assign diff[0] = A[0] ^ B[0] ^ 1'b0;
    assign diff[1] = A[1] ^ B[1] ^ carry_out;
    assign diff[2] = A[2] ^ B[2] ^ carry_out;
    assign diff[3] = A[3] ^ B[3] ^ carry_out;
    
    // Carry generation for subtraction (borrow detection)
    assign carry_out = (A[0] < B[0]) ? 1'b1 : 1'b0;
    
    // Generate carry for next stage
    wire c1, c2, c3;
    assign c1 = (A[1] < B[1]) || ((A[1] == B[1]) && carry_out);
    assign c2 = (A[2] < B[2]) || ((A[2] == B[2]) && c1);
    assign c3 = (A[3] < B[3]) || ((A[3] == B[3]) && c2);
    
    // Final carry out for borrow detection
    wire final_carry = c3;
...
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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_20260426_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_5
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_6
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 failed failed failed functional Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = 0, A_equal = 0, A_less = 1
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_6
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate subtraction using full adder logic
    // A - B = A + (~B + 1) = A + (~B) + carry_in
    assign diff[0] = A[0] ^ ~B[0] ^ 1'b0;
    assign diff[1] = A[1] ^ ~B[1] ^ 1'b0;
    assign diff[2] = A[2] ^ ~B[2] ^ 1'b0;
    assign diff[3] = A[3] ^ ~B[3] ^ 1'b0;
    
    // Carry generation for subtraction
    wire c1, c2, c3, c4;
    
    assign c1 = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    assign c2 = (A[1] & ~B[1]) | (A[1] & c1) | (~B[1] & c1);
    assign c3 = (A[2] & ~B[2]) | (A[2] & c2) | (~B[2] & c2);
    assign c4 = (A[3] & ~B[3]) | (A[3] & c3) | (~B[3] & c3);
    
    // Determine if borrow occurred (A < B)
    assign A_less = ~c4;
...
functional details 
[stdout]
Test failed: A = 1101, B = 1101, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1001, B = 0110, A_greater = 0, A_equal = 1, A_less = 0
Test failed: A = 0000, B = 0000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1111, B = 1111, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1000, B = 0111, A_greater = 0, A_equal = 1, A_less = 0
Test failed: A = 0011, B = 0011, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1010, B = 0101, A_greater = 0, A_equal = 1, A_less = 0
Test failed: A = 0110, B = 0110, A_greater = 0, A_equal = 0, A_less = 1
=========== Test completed with           8 /100 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $finish called at 1000000 (1ps)
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = 0, A_equal = 0, A_less = 1",
    "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_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_6
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_7
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 failed failed failed functional Functional output contains failure marker: TEST FAILED. Test failed: A = 0100, B = 0001, A_greater = 0, A_equal = 0, A_less = x
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_7
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate difference using full adder logic
    assign diff[0] = A[0] ^ B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    // Full adder for remaining bits
    assign diff[1] = A[1] ^ B[1] ^ carry_out;
    assign carry_out = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    
    assign diff[2] = A[2] ^ B[2] ^ carry_out;
    assign carry_out = (A[2] & ~B[2]) | (A[2] & carry_out) | (~B[2] & carry_out);
    
    assign diff[3] = A[3] ^ B[3] ^ carry_out;
    
    // Determine comparison results
    assign A_greater = ~diff[3] & ~diff[2] & ~diff[1] & ~diff[0] & ~carry_out;
    assign A_equal   = ~diff[3] & ~diff[2] & ~diff[1] & ~diff[0];
    assign A_less    = carry_out;
...
functional details 
[stdout]
Test failed: A = 0100, B = 0001, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 0101, B = 0010, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1101, B = 1100, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1001, B = 0110, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1000, B = 0101, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 0110, B = 0011, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1011, B = 0110, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1011, B = 1010, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1110, B = 0101, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1000, B = 0111, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 1100, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1001, B = 0000, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1111, B = 1010, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1000, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0100, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1010, B = 0101, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1001, B = 0100, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1001, B = 1000, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 0100, B = 0011, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 0110, B = 0101, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1001, B = 0111, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 1100, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1110, B = 1011, A_greater = 0, A_equal = 0, A_less = x
Test failed: A = 1010, B = 0001, A_greater = 0, A_equal = 0, A_less = x
=========== Test completed with          24 /100 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $finish called at 1000000 (1ps)
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. Test failed: A = 0100, B = 0001, A_greater = 0, A_equal = 0, A_less = x",
    "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_7 run_20260426_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_7
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_8
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 failed failed failed functional Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_8
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate subtraction using full adder logic
    // A - B = A + (~B + 1) = A + (~B) + carry_in
    assign diff[0] = A[0] ^ ~B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    assign diff[1] = A[1] ^ ~B[1] ^ carry_out;
    assign carry_out = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    
    assign diff[2] = A[2] ^ ~B[2] ^ carry_out;
    assign carry_out = (A[2] & ~B[2]) | (A[2] & carry_out) | (~B[2] & carry_out);
    
    assign diff[3] = A[3] ^ ~B[3] ^ carry_out;
    
    // Determine comparison results
    assign A_greater = ~carry_out & (diff[3] | diff[2] | diff[1] | diff[0]);
    assign A_equal   = ~(diff[3] | diff[2] | diff[1] | diff[0]);
    assign A_less    = carry_out & ~A_equal;
...
functional details 
[stdout]
Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 0000, B = 0000, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 1111, B = 1111, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 1000, B = 0111, A_greater = 0, A_equal = 1, A_less = 0
Test failed: A = 0011, B = 0011, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 0110, B = 0110, A_greater = x, A_equal = 0, A_less = x
=========== Test completed with           6 /100 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $finish called at 1000000 (1ps)
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x",
    "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_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_8
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_9
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (diff == 0);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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 ok failed failed failed functional Functional output contains failure marker: TEST FAILED. = 0, A_less = 0
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_9
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate difference using full adder logic
    assign diff[0] = A[0] ^ B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    // For full subtraction, we need to handle carry propagation
    // Using ripple carry approach for simplicity
    wire c1, c2, c3;
    
    assign c1 = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    assign c2 = (A[2] & ~B[2]) | (A[2] & c1) | (~B[2] & c1);
    assign c3 = (A[3] & ~B[3]) | (A[3] & c2) | (~B[3] & c2);
    
    // Calculate difference bits
    assign diff[1] = A[1] ^ B[1] ^ carry_out;
    assign diff[2] = A[2] ^ B[2] ^ c1;
    assign diff[3] = A[3] ^ B[3] ^ c2;
    
    // Determine outputs based on subtraction result
...
functional details 
[stdout]
= 0, A_less = 0
Test failed: A = 1111, B = 1100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1011, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 0000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0111, B = 0001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1100, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0010, B = 1000, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0111, B = 1101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0010, B = 1110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1011, B = 1001, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 1010, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 1000, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1110, B = 1100, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1010, B = 0110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1111, B = 0100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0111, B = 1011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 1101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1010, B = 0101, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0101, B = 1111, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 0100, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0000, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1100, B = 1010, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1101, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1110, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 0110, B = 1000, A_greater = 0, A_equal = 0, A_less = 0
Test failed: A = 1001, B = 1000, A_greater = 0, A_equal = 0, A_less = 1
Test failed: A = 0100, B = 0011, A_greater = 0, A_equal = 0, A_less = 0
...
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. = 0, A_less = 0",
    "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_9 run_20260426_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_9
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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_10 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\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_203453_201510_6e98ce__sample_10
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire borrow;

    // Subtract B from A using a 5-bit subtractor to detect borrow
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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_10 run_20260424_230145_632624_082334 ok ok failed failed failed functional Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260424_230145_632624_082334__sample_10
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire carry_out;
    
    // 4-bit subtraction: A - B
    // Using full adder structure with inverted B and carry-in
    wire [3:0] diff;
    
    // Generate subtraction using full adder logic
    // A - B = A + (~B + 1) = A + (~B) + carry_in
    assign diff[0] = A[0] ^ ~B[0] ^ 1'b0;
    assign carry_out = (A[0] & ~B[0]) | (A[0] & 1'b0) | (~B[0] & 1'b0);
    
    assign diff[1] = A[1] ^ ~B[1] ^ carry_out;
    assign carry_out = (A[1] & ~B[1]) | (A[1] & carry_out) | (~B[1] & carry_out);
    
    assign diff[2] = A[2] ^ ~B[2] ^ carry_out;
    assign carry_out = (A[2] & ~B[2]) | (A[2] & carry_out) | (~B[2] & carry_out);
    
    assign diff[3] = A[3] ^ ~B[3] ^ carry_out;
    
    // Determine comparison results
    assign A_greater = ~carry_out & (diff[3] | diff[2] | diff[1] | diff[0]);
    assign A_equal   = ~(diff[3] | diff[2] | diff[1] | diff[0]);
    assign A_less    = carry_out & ~A_equal;
...
functional details 
[stdout]
Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 0000, B = 0000, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 1111, B = 1111, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 1000, B = 0111, A_greater = 0, A_equal = 1, A_less = 0
Test failed: A = 0011, B = 0011, A_greater = x, A_equal = 0, A_less = x
Test failed: A = 0110, B = 0110, A_greater = x, A_equal = 0, A_less = x
=========== Test completed with           6 /100 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $finish called at 1000000 (1ps)
synthesis details 
[error]
None
errors[] 
[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST FAILED. Test failed: A = 1101, B = 1101, A_greater = x, A_equal = 0, A_less = x",
    "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_141859_833435_7c9834 ok ok ok ok ok success Full pipeline success
Open details
sample_dir: E:\Work\MIEM\VKR\Analyse\data\model_dataset\models\qwen3-coder-30b\rag_on\benchmarks\rtllm\tasks\rtllm__13_rtllm_arithmetic__task_08\samples\run_20260426_141859_833435_7c9834__sample_10
generated.v preview 
module comparator_4bit(
    input  [3:0] A,
    input  [3:0] B,
    output       A_greater,
    output       A_equal,
    output       A_less
);

    wire [4:0] diff;
    wire       borrow;

    // Perform subtraction A - B
    assign diff = {1'b0, A} - {1'b0, B};
    assign borrow = diff[4];

    // Determine comparison results
    assign A_greater = ~borrow & (diff != 0);
    assign A_equal   = (A == B);
    assign A_less    = borrow & (diff != 0);

endmodule
functional details 
[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_08/tb.v:48: $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
}