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Merged
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May 28, 2024
Merged

ranking function for i2c benchmarks #522

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42 changes: 20 additions & 22 deletions examples/Benchmarks/check_ranking
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Original file line number Diff line number Diff line change
Expand Up @@ -41,28 +41,26 @@ ebmc gray_9.sv --ranking-function "2**16-cnt"
ebmc gray_10.sv --ranking-function "2**17-cnt"
ebmc gray_11.sv --ranking-function "2**18-cnt"

if false ; then
ebmc i2c_1.sv --ranking-function "2**9-cnt"
ebmc i2c_2.sv --ranking-function "2**10-cnt"
ebmc i2c_3.sv --ranking-function "2**11-cnt"
ebmc i2c_4.sv --ranking-function "2**12-cnt"
ebmc i2c_5.sv --ranking-function "2**13-cnt"
ebmc i2c_6.sv --ranking-function "2**14-cnt"
ebmc i2c_7.sv --ranking-function "2**15-cnt"
ebmc i2c_8.sv --ranking-function "2**16-cnt"
ebmc i2c_9.sv --ranking-function "2**17-cnt"
ebmc i2c_10.sv --ranking-function "2**18-cnt"
ebmc i2c_11.sv --ranking-function "2**19-cnt"
ebmc i2c_12.sv --ranking-function "2**10-cnt"
ebmc i2c_13.sv --ranking-function "2**10-cnt"
ebmc i2c_14.sv --ranking-function "2**10-cnt"
ebmc i2c_15.sv --ranking-function "2**10-cnt"
ebmc i2c_16.sv --ranking-function "2**10-cnt"
ebmc i2c_17.sv --ranking-function "2**10-cnt"
ebmc i2c_18.sv --ranking-function "2**10-cnt"
ebmc i2c_19.sv --ranking-function "2**10-cnt"
ebmc i2c_20.sv --ranking-function "2**19-cnt"
fi
ebmc i2c_1.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_2.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_3.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_4.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_5.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_6.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_7.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_8.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_9.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_10.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_11.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_12.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_13.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_14.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_15.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_16.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_17.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_18.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_19.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"
ebmc i2c_20.sv --ranking-function "{cnt>=divider*4 ? 3 : scl_clk==0 && cnt>=3*divider-1 ? 2 : scl_clk ? 1 : 0, divider*4-cnt}"

ebmc lcd_1.sv --ranking-function "{3-state,500-cnt}"
ebmc lcd_2.sv --ranking-function "{3-state,1000-cnt}"
Expand Down
10 changes: 10 additions & 0 deletions examples/Benchmarks/i2c_1.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -37,4 +37,14 @@ module i2cStrech #(localparam divider = 125, localparam CBITS = 9) (input clk, i
p1: assert property (@(posedge clk) s_eventually rst == 1 || scl_not_ena == 1 || stretch == 1);
//F G (rst = F & scl_not_ena = F) -> G F (stretch = T)

wire [8:0] rank1 =
cnt>=divider*4 ? 3 : // 500
!scl_clk && cnt>=3*divider-1 ? 2 :
scl_clk ? 1 :
0 ;

wire [8:0] rank2 = 500 - cnt;

wire [31:0] rank = {rank1, rank2};

endmodule