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Added $assert/$assume support to AIGER back-end

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This commit is contained in:
Clifford Wolf 2016-12-03 13:20:29 +01:00
parent 37760541bd
commit a44cc7a3d1
3 changed files with 53 additions and 12 deletions
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2
examples/aiger/demo.v
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@ -4,7 +4,7 @@ module demo(input clk, reset, ctrl);
initial counter[NBITS-2] = 0;
initial counter[0] = 1;
always @(posedge clk) begin
counter <= reset ? 0 : ctrl ? counter + 1 : counter - 1;
counter <= reset ? 1 : ctrl ? counter + 1 : counter - 1;
assume(counter != 0);
assume(counter != 1 << (NBITS-1));
assert(counter != (1 << NBITS)-1);