gpt-5.4-mini | RAG on

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero;
    reg a_is_inf, b_is_inf;
    reg a_is_nan, b_is_nan;

    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] product_norm;
    reg [24:0] mant_round;
    reg [31:0] result_next;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            a_mantissa <= 24'd0;
            b_mantissa <= 24'd0;
            z_mantissa <= 24'd0;
            a_exponent <= 10'd0;
...

[stdout]
=========== Test completed with           X/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;
    reg [4:0] state;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [9:0] exp_sum;
    reg [9:0] exp_norm;
    reg [24:0] mant_round;
    reg [47:0] prod_norm;
    reg [22:0] frac_out;
    reg [7:0] shift_amt;
    reg sticky_tmp;

    localparam S_IDLE  = 5'd0;
    localparam S_LOAD  = 5'd1;
    localparam S_MUL   = 5'd2;
    localparam S_NORM  = 5'd3;
    localparam S_ROUND = 5'd4;
...

[stdout]
=========== Test completed with           X/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;
    reg [7:0] a_exp8, b_exp8;
    reg [22:0] a_frac, b_frac;
    reg [23:0] norm_mantissa;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [9:0] exp_final;
    reg [47:0] prod48;
    reg [24:0] mant_round;
    reg [24:0] mant_work;
    reg [22:0] frac_out;
    reg special_nan;
    reg special_inf;
    reg special_zero;
    reg a_is_nan, b_is_nan;
    reg a_is_inf, b_is_inf;
    reg a_is_zero, b_is_zero;
...

[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero;
    reg a_is_inf, b_is_inf;
    reg a_is_nan, b_is_nan;

    reg [24:0] norm_mant;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [23:0] mant_pre;
    reg [24:0] mant_round;
    reg [7:0] shift_amt;
    reg [49:0] prod_shifted;
    reg [9:0] exp_tmp;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
...

[stderr]
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/generated.v:105: syntax error
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/generated.v:105: error: Malformed conditional expression.

[stderr]
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/functional/generated.v:105: syntax error
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/functional/generated.v:105: error: Malformed conditional expression.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/generated.v:105: syntax error\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/generated.v:105: error: Malformed conditional expression.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/functional/generated.v:105: syntax error\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_2/functional/generated.v:105: error: Malformed conditional expression.\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 float_multi (
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [24:0] mant_pre;
    reg [24:0] mant_round;
    reg [7:0] shift_amt;
    reg [49:0] product_norm;
    reg [4:0] i;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
            a_reg <= 32'd0;
            b_reg <= 32'd0;
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [24:0] norm_mant;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] prod48;
    reg [22:0] frac;
    reg [23:0] mant24;
    reg round_inc;
    reg [9:0] exp_final;
    reg [31:0] result;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            a_mantissa <= 24'd0;
            b_mantissa <= 24'd0;
            z_mantissa <= 24'd0;
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;
    reg [31:0] result_reg;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg result_is_zero, result_is_inf, result_is_nan;

    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [23:0] mant_a_norm, mant_b_norm;
    reg [47:0] mant_product;
    reg [23:0] mant_rounded;
    reg [24:0] mant_work;
    reg [9:0] exp_work;
    reg [4:0] shift_amt;
    integer i;

    always @(posedge clk or posedge rst) begin
...

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/generated.v:126: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/generated.v:126: error: Malformed conditional expression.

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/functional/generated.v:126: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/functional/generated.v:126: error: Malformed conditional expression.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/generated.v:126: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/generated.v:126: error: Malformed conditional expression.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/functional/generated.v:126: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_3/functional/generated.v:126: error: Malformed conditional expression.\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 float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero;
    reg a_is_inf, b_is_inf;
    reg a_is_nan, b_is_nan;

    reg [24:0] norm_mantissa;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] prod48;
    reg [22:0] frac23;
    reg [23:0] mant24;
    reg round_inc;
    reg [8:0] exp_unbiased_a;
    reg [8:0] exp_unbiased_b;
    reg signed [10:0] exp_calc;
    reg [7:0] exp_field;

    always @(posedge clk or posedge rst) begin
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [24:0] mant_pre;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [23:0] mant_norm;
    reg [49:0] prod_shift;
    reg [7:0] shift_amt;
    reg [24:0] round_ext;
    reg [24:0] round_inc;
    reg [24:0] round_sum;
    reg [22:0] frac_out;
    reg [8:0] exp_tmp;
    reg overflow;
    reg underflow;
    integer i;

    always @(posedge clk or posedge rst) begin
...

[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [24:0] norm_mantissa;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] prod48;
    reg [22:0] frac_out;
    reg [7:0] shift_amt;
    reg [49:0] sticky_mask;
    reg round_inc;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
            a_mantissa <= 24'd0;
            b_mantissa <= 24'd0;
            z_mantissa <= 24'd0;
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [24:0] mant_a_ext, mant_b_ext;
    reg [47:0] mant_product;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [23:0] norm_mant;
    reg [7:0] shift_amt;
    reg [49:0] prod_shifted;
    reg [24:0] round_mant;
    reg round_inc;
    reg [9:0] exp_final;
    reg [31:0] result_next;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
...

[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [9:0] exp_sum;
    reg [9:0] exp_norm;
    reg [47:0] prod_norm;
    reg [23:0] mant_round;
    reg round_inc;
    reg [24:0] mant_ext;
    reg [9:0] exp_adj;
    reg [7:0] shift_amt;
    reg sticky_calc;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
            a_mantissa <= 24'd0;
            b_mantissa <= 24'd0;
...

[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

reg [2:0] counter;
reg [23:0] a_mantissa, b_mantissa, z_mantissa;
reg [9:0] a_exponent, b_exponent, z_exponent;
reg a_sign, b_sign, z_sign;
reg [49:0] product;
reg guard_bit, round_bit, sticky;

reg a_is_zero, b_is_zero;
reg a_is_inf, b_is_inf;
reg a_is_nan, b_is_nan;

reg [9:0] exp_sum;
reg [9:0] exp_adj;
reg [24:0] mant_pre;
reg [24:0] mant_round;
reg [7:0] shift_amt;
reg [49:0] product_shifted;
reg [22:0] frac_out;
reg [8:0] exp_field;
reg round_inc;
reg [24:0] norm_mant;
reg [9:0] norm_exp;

always @(posedge clk or posedge rst) begin
...

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/generated.v:126: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/generated.v:126: error: Malformed conditional expression.

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/functional/generated.v:126: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/functional/generated.v:126: error: Malformed conditional expression.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/generated.v:126: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/generated.v:126: error: Malformed conditional expression.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/functional/generated.v:126: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_6/functional/generated.v:126: error: Malformed conditional expression.\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 float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;

    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0]  a_exponent, b_exponent, z_exponent;
    reg        a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg        guard_bit, round_bit, sticky;

    reg        a_is_zero, b_is_zero;
    reg        a_is_inf, b_is_inf;
    reg        a_is_nan, b_is_nan;

    reg [24:0] norm_mantissa;
    reg [9:0]  exp_sum;
    reg [9:0]  exp_adj;
    reg [7:0]  exp_field;
    reg [22:0] frac_field;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
            a_mantissa <= 24'd0;
            b_mantissa <= 24'd0;
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi (
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;
    reg [31:0] result_reg;

    reg a_is_zero, b_is_zero;
    reg a_is_inf, b_is_inf;
    reg a_is_nan, b_is_nan;

    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [24:0] norm_mant;
    reg [24:0] mant_round;
    reg [7:0] shift_amt;
    reg [49:0] prod_shifted;
    reg sticky_calc;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
...

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/generated.v:110: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/generated.v:110: error: Malformed conditional expression.

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/functional/generated.v:110: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/functional/generated.v:110: error: Malformed conditional expression.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/generated.v:110: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/generated.v:110: error: Malformed conditional expression.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/functional/generated.v:110: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_7/functional/generated.v:110: error: Malformed conditional expression.\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 float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero;
    reg a_is_inf, b_is_inf;
    reg a_is_nan, b_is_nan;

    reg [9:0] exp_sum;
    reg [9:0] exp_norm;
    reg [47:0] prod_norm;
    reg [22:0] frac_round;
    reg round_inc;
    reg [24:0] mant_round;
    reg [9:0] exp_final;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
            a_mantissa <= 24'd0;
...

[stdout]
=========== Your Design Passed ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero;
    reg a_is_inf, b_is_inf;
    reg a_is_nan, b_is_nan;

    reg [24:0] norm_mantissa;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] prod48;
    reg [22:0] frac_out;
    reg [8:0] exp_field;
    reg round_inc;
    reg [49:0] prod_shifted;
    reg [7:0] i;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
...

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/generated.v:106: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/generated.v:106: error: Malformed conditional expression.

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/functional/generated.v:106: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/functional/generated.v:106: error: Malformed conditional expression.

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/generated.v:106: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/generated.v:106: error: Malformed conditional expression.\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/functional/generated.v:106: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_8/functional/generated.v:106: error: Malformed conditional expression.\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 float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [24:0] norm_mant;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] prod48;
    reg [7:0] shift_amt;
    reg [23:0] mant24;
    reg [22:0] frac23;
    reg round_inc;
    reg overflow;
    reg underflow;
    reg [31:0] result_next;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
...

[stderr]
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/generated.v:123: syntax error
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/generated.v:123: error: Malformed statement

[stderr]
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/functional/generated.v:123: syntax error
/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/functional/generated.v:123: error: Malformed statement

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/generated.v:123: syntax error\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/generated.v:123: error: Malformed statement\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/functional/generated.v:123: syntax error\n/data/eval/out/run_20260424_203453_201510_6e98ce/tmp/gpt_5_4_mini/13_rtllm_arithmetic__task_18/sample_9/functional/generated.v:123: error: Malformed statement\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 float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;
    reg [7:0] exp_a8, exp_b8;
    reg [8:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] prod48;
    reg [24:0] mant_round;
    reg [22:0] frac_out;
    reg [7:0] exp_out;
    reg special_nan, special_inf, special_zero;
    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [23:0] mant_a_norm, mant_b_norm;
    reg [9:0] exp_a_norm, exp_b_norm;
    reg [24:0] norm_mant;
    reg [9:0] norm_exp;
    integer i;

    always @(posedge clk or posedge rst) begin
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg a_is_zero, b_is_zero, a_is_inf, b_is_inf, a_is_nan, b_is_nan;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] norm_product;
    reg [24:0] mant_round;
    reg [7:0] shift_amt;
    reg [31:0] result_next;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
            counter <= 3'd0;
            z <= 32'd0;
            a_mantissa <= 24'd0;
            b_mantissa <= 24'd0;
            z_mantissa <= 24'd0;
            a_exponent <= 10'd0;
            b_exponent <= 10'd0;
...

[stdout]
=========== Test completed with           1/20 failures ===========
/workspace/banchmarks/rtllm/13_rtllm_arithmetic/task_18/tb.v:35: $finish called at 243 (1s)

[error]
None

{
  "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
}

module float_multi(
    input clk,
    input rst,
    input [31:0] a,
    input [31:0] b,
    output reg [31:0] z
);

    reg [2:0] counter;
    reg [23:0] a_mantissa, b_mantissa, z_mantissa;
    reg [9:0] a_exponent, b_exponent, z_exponent;
    reg a_sign, b_sign, z_sign;
    reg [49:0] product;
    reg guard_bit, round_bit, sticky;

    reg [31:0] a_reg, b_reg;
    reg [7:0] exp_a8, exp_b8;
    reg [9:0] exp_sum;
    reg [9:0] exp_adj;
    reg [47:0] product_norm;
    reg [24:0] mant_round;
    reg [22:0] frac_out;
    reg [8:0] exp_unbiased_a, exp_unbiased_b;
    reg [8:0] exp_unbiased_sum;
    reg [8:0] exp_final;
    reg [4:0] shift_amt;
    reg special_nan, special_inf, special_zero, special_denorm_a, special_denorm_b;
    reg result_zero, result_inf, result_nan;
    reg [31:0] special_result;

    always @(posedge clk or posedge rst) begin
        if (rst) begin
...

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:107: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:107: error: Malformed statement
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:108: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:108: error: Malformed statement

[stderr]
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:107: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:107: error: Malformed statement
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:108: syntax error
/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:108: error: Malformed statement

[error]
None

[
  {
    "stage": "syntax",
    "code": "syntax.iverilog_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:107: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:107: error: Malformed statement\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:108: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/generated.v:108: error: Malformed statement\n",
    "retryable": false,
    "details": {}
  },
  {
    "stage": "functional",
    "code": "functional.testbench_failed",
    "message": "/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:107: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:107: error: Malformed statement\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:108: syntax error\n/data/eval/out/run_20260424_230145_632624_082334/tmp/gpt_5_4_mini/rtllm__13_rtllm_arithmetic__task_18/sample_10/functional/generated.v:108: error: Malformed statement\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
}