codellama:13b | RAG off

module lockstep_event_counter (
  input clk,
  input rst_n,
  input load,
  input step,
  input [3:0] load_value,
  input inject_shadow_fault,
  output reg [3:0] count,
  output reg count_valid,
  output reg fault_flag,
  output reg halted
);

// Internal counters
reg [3:0] primary;
reg [3:0] shadow;

always @(posedge clk or negedge rst_n) begin
  if (~rst_n) begin
    // Reset both counters and clear fault state
    primary <= 4'h0;
    shadow <= 4'h0;
    fault_flag <= 1'b0;
    halted <= 1'b0;
  end else if (load) begin
    // Load the primary counter with load_value
    primary <= load_value;
    // Load the shadow counter with load_value
    shadow <= load_value;
  end else if (step) begin
    // Increment both counters by 1 modulo 16
    primary <= primary + 4'h1;
...

[stdout]
ERROR (async reset): count=x expected=0
ERROR (async reset): count_valid=x expected=0
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count=d expected=0
ERROR (reset clears fault): count_valid=1 expected=0
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count=x expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
        shadow <= shadow + 4'h1;
...

[stdout]
ERROR (async reset): count_valid=1 expected=0
ERROR (fault detection and safe state): count=d expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=7 expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count_valid=1 expected=0
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count_valid=1 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
  input clk,
  input rst_n,
  input load,
  input step,
  input [3:0] load_value,
  input inject_shadow_fault,
  output reg [3:0] count,
  output reg count_valid,
  output reg fault_flag,
  output reg halted
);

// Internal counters
reg [3:0] primary;
reg [3:0] shadow;

// Fault detection logic
wire mismatch = (primary != shadow) && !fault_flag;

always @(posedge clk or negedge rst_n) begin
  if (!rst_n) begin
    // Reset both counters and fault state
    primary <= 4'h0;
    shadow <= 4'h0;
    fault_flag <= 1'b0;
    halted <= 1'b0;
  end else if (load) begin
    // Load the counter values
    primary <= load_value;
    shadow <= load_value;
  end else if (step) begin
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and clear fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
  input clk,
  input rst_n,
  input load,
  input step,
  input [3:0] load_value,
  input inject_shadow_fault,
  output reg [3:0] count,
  output reg count_valid,
  output reg fault_flag,
  output reg halted
);

// Primary counter
reg [3:0] primary;
always @(posedge clk or negedge rst_n) begin
  if (~rst_n) begin
    primary <= 4'h0;
  end else begin
    if (load) begin
      primary <= load_value;
    end else if (step) begin
      primary <= primary + 1'b1;
    end
  end
end

// Shadow counter
reg [3:0] shadow;
always @(posedge clk or negedge rst_n) begin
  if (~rst_n) begin
    shadow <= 4'h0;
...

[stdout]
ERROR (post reset): count_valid=0 expected=1
ERROR (step 1): count=0 expected=1
ERROR (step 1): count_valid=0 expected=1
ERROR (step 2): count=0 expected=2
ERROR (step 2): count_valid=0 expected=1
ERROR (load priority): count=0 expected=c
ERROR (load priority): count_valid=0 expected=1
ERROR (fault detection and safe state): count=f expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (healthy after reset): count_valid=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (reload after reset): count_valid=0 expected=1
ERROR (step after reset): count=0 expected=6
ERROR (step after reset): count_valid=0 expected=1
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (post reset): count_valid=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and clear fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and clear fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
...

[stdout]
ERROR (async reset): count=x expected=0
ERROR (async reset): count_valid=x expected=0
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count=d expected=0
ERROR (reset clears fault): count_valid=1 expected=0
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count=x expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal counters
reg [3:0] primary;
reg [3:0] shadow;

always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the primary counter with load_value
        primary <= load_value;
        // Load the shadow counter with load_value
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk) begin
    if (rst_n == 1'b0) begin
        // Reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load == 1'b1) begin
        // Load both counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step == 1'b1) begin
        // Increment both counters by 1 modulo 16
        primary <= (primary + 4'h1) & 4'hF;
...

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:25: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:44: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:45: error: count_valid Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:49: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:52: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:53: error: count_valid Unable to assign to unresolved wires.
6 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:25: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:44: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:45: error: count_valid Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:49: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:52: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:53: error: count_valid Unable to assign to unresolved wires.
6 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:25: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:44: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:45: error: count_valid Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:49: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:52: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/generated.v:53: error: count_valid Unable to assign to unresolved wires.\n6 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:25: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:44: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:45: error: count_valid Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:49: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:52: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_5/functional/generated.v:53: error: count_valid Unable to assign to unresolved wires.\n6 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and clear fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the primary counter with load_value
        primary <= load_value;
        // Load the shadow counter with load_value
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
...

[stderr]
__task_101/sample_6/generated.v:45: error: fault_flag Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:46: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:51: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:52: error: count_valid Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:53: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:56: error: fault_flag Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:59: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:60: error: count_valid Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:61: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:64: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:65: error: count_valid Unable to assign to unresolved wires.
13 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:24: error: fault_flag Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:25: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:45: error: fault_flag Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:46: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:51: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:52: error: count_valid Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:53: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:56: error: fault_flag Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:59: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:60: error: count_valid Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:61: error: halted Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:64: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:65: error: count_valid Unable to assign to unresolved wires.
13 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "__task_101/sample_6/generated.v:45: error: fault_flag Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:46: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:51: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:52: error: count_valid Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:53: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:56: error: fault_flag Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:59: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:60: error: count_valid Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:61: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:64: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/generated.v:65: error: count_valid Unable to assign to unresolved wires.\n13 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:24: error: fault_flag Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:25: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:45: error: fault_flag Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:46: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:51: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:52: error: count_valid Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:53: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:56: error: fault_flag Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:59: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:60: error: count_valid Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:61: error: halted Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:64: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_102437_171676_163c0c/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_6/functional/generated.v:65: error: count_valid Unable to assign to unresolved wires.\n13 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counter values
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= primary + 4'h1;
...

[stdout]
ERROR (async reset): count_valid=1 expected=0
ERROR (fault detection and safe state): count=d expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=7 expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count_valid=1 expected=0
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count_valid=1 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
  input clk,
  input rst_n,
  input load,
  input step,
  input [3:0] load_value,
  input inject_shadow_fault,
  output reg [3:0] count,
  output reg count_valid,
  output reg fault_flag,
  output reg halted
);

// Internal counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
  if (~rst_n) begin
    // Reset both counters and fault state
    primary <= 4'h0;
    shadow <= 4'h0;
    fault_flag <= 1'b0;
    halted <= 1'b0;
  end else if (load) begin
    // Load the counter values
    primary <= load_value;
    shadow <= load_value;
  end else if (step) begin
    // Increment both counters by 1 modulo 16
    primary <= primary + 4'h1;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

    // Internal 4-bit counters
    reg [3:0] primary;
    reg [3:0] shadow;

    // Counter update logic
    always @(posedge clk or negedge rst_n) begin
        if (~rst_n) begin
            primary <= 4'h0;
            shadow <= 4'h0;
            count <= 4'h0;
            count_valid <= 1'b0;
            fault_flag <= 1'b0;
            halted <= 1'b0;
        end else begin
            if (load) begin
                primary <= load_value;
                shadow <= load_value;
            end else if (step) begin
                primary <= primary + 4'h1;
...

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/generated.v:23: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/generated.v:24: error: count_valid Unable to assign to unresolved wires.
2 error(s) during elaboration.

[stderr]
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/functional/generated.v:23: error: count Unable to assign to unresolved wires.
/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/functional/generated.v:24: error: count_valid Unable to assign to unresolved wires.
2 error(s) during elaboration.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/generated.v:23: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/generated.v:24: error: count_valid Unable to assign to unresolved wires.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/functional/generated.v:23: error: count Unable to assign to unresolved wires.\n/data/eval/out/run_20260427_144342_055801_c17762/tmp/codellama/pashencev__10_fault_tolerant_safety__task_101/sample_7/functional/generated.v:24: error: count_valid Unable to assign to unresolved wires.\n2 error(s) during elaboration.\n",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": false,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and clear fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load new value into both counters
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= (primary + 4'h1) & 4'hF;
...

[stdout]
ERROR (async reset): count=x expected=0
ERROR (async reset): count_valid=x expected=0
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count=d expected=0
ERROR (reset clears fault): count_valid=1 expected=0
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count=x expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else begin
        // Load the counters with load_value if load is high
        if (load) begin
            primary <= load_value;
            shadow <= load_value;
        end
        // Increment both counters by 1 modulo 16 if step is high and no fault is latched
        else if (step & ~fault_flag) begin
...

[stdout]
ERROR (async reset): count_valid=1 expected=0
ERROR (fault detection and safe state): count=d expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=7 expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count_valid=1 expected=0
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count_valid=1 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the counters with load_value
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
        primary <= (primary + 4'h1) % 16;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // reset both counters and fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // load new value into both counters
        primary <= load_value;
        shadow <= load_value;
    end else if (step) begin
        // increment both counters by 1 modulo 16
        primary <= (primary + 4'h1) & 4'hF;
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
  input clk,
  input rst_n,
  input load,
  input step,
  input [3:0] load_value,
  input inject_shadow_fault,
  output reg [3:0] count,
  output reg count_valid,
  output reg fault_flag,
  output reg halted
);

  // Internal counters
  reg [3:0] primary;
  reg [3:0] shadow;

  always @(posedge clk) begin
    if (rst_n == 1'b0) begin
      // Reset sequence
      primary <= 4'h0;
      shadow <= 4'h0;
      fault_flag <= 1'b0;
      halted <= 1'b0;
    end else if (inject_shadow_fault == 1'b1) begin
      // Detect and handle faults
      if (primary != shadow) begin
        fault_flag <= 1'b1;
        halted <= 1'b1;
      end
    end else begin
      // Normal operation
...

[stdout]
ERROR (async reset): count=x expected=0
ERROR (async reset): count_valid=x expected=0
ERROR (async reset): fault_flag=x expected=0
ERROR (async reset): halted=x expected=0
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=7 expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reset clears fault): count=7 expected=0
ERROR (reset clears fault): count_valid=1 expected=0
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (async reset): count=x expected=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": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module lockstep_event_counter (
    input clk,
    input rst_n,
    input load,
    input step,
    input [3:0] load_value,
    input inject_shadow_fault,
    output reg [3:0] count,
    output reg count_valid,
    output reg fault_flag,
    output reg halted
);

// Internal 4-bit counters
reg [3:0] primary;
reg [3:0] shadow;

// Counter update logic
always @(posedge clk or negedge rst_n) begin
    if (~rst_n) begin
        // Reset both counters and clear fault state
        primary <= 4'h0;
        shadow <= 4'h0;
        fault_flag <= 1'b0;
        halted <= 1'b0;
    end else if (load) begin
        // Load the primary counter with load value
        primary <= load_value;
        // Load the shadow counter with load value
        shadow <= load_value;
    end else if (step) begin
        // Increment both counters by 1 modulo 16
...

[stdout]
ERROR (step 1): count=0 expected=1
ERROR (step 2): count=1 expected=2
ERROR (load priority): count=2 expected=c
ERROR (fault detection and safe state): count=c expected=0
ERROR (fault detection and safe state): count_valid=1 expected=0
ERROR (fault detection and safe state): fault_flag=0 expected=1
ERROR (fault detection and safe state): halted=0 expected=1
ERROR (frozen after fault): count=d expected=0
ERROR (frozen after fault): count_valid=1 expected=0
ERROR (frozen after fault): fault_flag=0 expected=1
ERROR (frozen after fault): halted=0 expected=1
ERROR (reload after reset): count=0 expected=5
ERROR (step after reset): count=5 expected=6
TEST_FAILED
/workspace/banchmarks/pashencev/10_fault_tolerant_safety/task_101/tb.v:148: $finish called at 106000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR (step 1): count=0 expected=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": {}
  }
]

{
  "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
}