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5fc8df43f8
Task checking via database rated limited to once every 10s. Rename killer.sby to cancelledby.sby and add Makefile for testing.
45 lines
561 B
Text
45 lines
561 B
Text
[tasks]
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c
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b
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a
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[cancelledby]
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a: b
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b: c
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c: a
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[options]
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mode bmc
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depth 10000
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expect fail,cancelled
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[engines]
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btor btormc
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[script]
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a: read -define MAX=9600
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b: read -define MAX=1267
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c: read -define MAX=7200
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read -formal demo.sv
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prep -top demo
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[file demo.sv]
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module demo (
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input clk,
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output reg [31:0] counter
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);
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initial counter = 0;
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always @(posedge clk) begin
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if (counter[31] == 1'b1)
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counter <= 0;
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else
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counter <= counter + 1;
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end
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`ifdef FORMAL
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always @(posedge clk) begin
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assert (counter < `MAX);
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end
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`endif
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endmodule
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