## lustrec / test / src / kind_fmcad08 / misc / durationThm_1_e2_3.lus @ 22fe1c93

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1 | 22fe1c93 | ploc | |
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2 | node Sofar( X : bool ) returns ( Sofar : bool ); |
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3 | let |
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4 | Sofar = X -> X and pre Sofar; |
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5 | tel |
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6 | node Age (p: bool) returns (age_of_p: int); |
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7 | let |
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8 | age_of_p = 0 -> if pre(p) then pre(age_of_p) -1+ 1 else 0; |
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9 | tel |
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10 | node top (ik, im: int; p, q, r : bool) returns (OK: bool); |
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11 | var k,m : int; |
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12 | env : bool; |
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13 | let |
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14 | k = ik -> pre k; |
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15 | m = im -> pre m; |
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16 | env = Sofar((k>=1 and m>=1) and (Age(p)>=k => q) and (Age(q)>=m => r)); |
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17 | OK = env => (true -> ( (Age(p)>=k+m) => r )); |
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18 | --%MAIN; |
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19 | --%PROPERTY OK=true; |
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20 | tel |