lustrec / test / src / kind_fmcad08 / memory1 / FIREFLY_luke_2_e2_1375_e1_418.lus @ 65f71d05
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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 excludes8( X1, X2, X3, X4, X5, X6, X7, X8 : bool ) returns ( excludes : bool ); |
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| 7 | let |
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| 8 | excludes = not X1 and not X2 and not X3 and not X4 and not X5 and not X6 and not X7 and not X8 or |
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| 9 | X1 and not X2 and not X3 and not X4 and not X5 and not X6 and not X7 and not X8 or |
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| 10 | not X1 and X2 and not X3 and not X4 and not X5 and not X6 and not X7 and not X8 or |
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| 11 | not X1 and not X2 and X3 and not X4 and not X5 and not X6 and not X7 and not X8 or |
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| 12 | not X1 and not X2 and not X3 and X4 and not X5 and not X6 and not X7 and not X8 or |
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| 13 | not X1 and not X2 and not X3 and not X4 and X5 and not X6 and not X7 and not X8 or |
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| 14 | not X1 and not X2 and not X3 and not X4 and not X5 and X6 and not X7 and not X8 or |
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| 15 | not X1 and not X2 and not X3 and not X4 and not X5 and not X6 and X7 and not X8 or |
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| 16 | not X1 and not X2 and not X3 and not X4 and not X5 and not X6 and not X7 and X8; |
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| 17 | tel |
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| 18 | node firefly(e1, e2, e3, e4, e5, e6, e7, e8 : bool; i_invalid : int) |
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| 19 | returns(invalid, dirty, exclusive, shared : int); |
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| 20 | var |
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| 21 | garde1, garde2, garde3, garde4, garde5, garde6, garde7, garde8 : bool; |
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| 22 | mem_invalid : int; |
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| 23 | let |
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| 24 | mem_invalid = i_invalid -> pre mem_invalid; |
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| 25 | garde1 = pre invalid>=1 and pre dirty=0 and pre shared=0 and pre exclusive=0 ; |
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| 26 | garde2 = pre invalid>=1 and pre dirty>=1; |
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| 27 | garde3 = pre invalid>=1 and pre shared+pre exclusive>=1; |
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| 28 | garde4 = pre exclusive>=1; |
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| 29 | garde5 = pre shared=1; |
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| 30 | garde6 = pre invalid>=1 and pre dirty=0 and pre shared=0 and pre exclusive=0; |
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| 31 | garde7 = pre invalid>=1 and pre dirty>=1; |
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| 32 | garde8 = pre invalid>=1 and pre shared+pre exclusive>=1; |
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| 33 | invalid = mem_invalid -> |
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| 34 | if(e1) then if(garde1) then pre invalid-1 else pre invalid else |
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| 35 | if(e2) then if(garde2) then pre invalid-1 else pre invalid else |
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| 36 | if(e3) then if(garde3) then pre invalid-1 else pre invalid else |
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| 37 | if(e6) then if(garde6) then pre invalid-1 else pre invalid else |
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| 38 | if(e7) then if(garde7) then pre invalid-1 else pre invalid else |
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| 39 | if(e8) then if(garde8) then pre invalid-1 else pre invalid else |
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| 40 | pre invalid; |
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| 41 | dirty = 0 -> |
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| 42 | if(e2) then if(garde2) then pre dirty-1 else pre dirty else |
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| 43 | if(e4) then if(garde4) then pre dirty+1 else pre dirty else |
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| 44 | if(e6) then if(garde6) then 1 else pre dirty else |
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| 45 | if(e7) then if(garde7) then pre dirty-1 else pre dirty else |
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| 46 | pre dirty; |
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| 47 | exclusive = 0 -> |
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| 48 | if(e1) then if(garde1) then pre exclusive+1 else pre exclusive else |
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| 49 | if(e3) then if(garde3) then 0 else pre exclusive else |
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| 50 | if(e4) then if(garde4) then pre exclusive-1 else pre exclusive else |
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| 51 | if(e5) then if(garde5) then pre exclusive+1 else pre exclusive else |
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| 52 | if(e8) then if(garde8) then 0 else pre exclusive else |
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| 53 | pre exclusive; |
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| 54 | shared = 0 -> |
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| 55 | if(e2) then if(garde2) then pre shared+2 else pre shared else |
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| 56 | if(e3) then if(garde3) then pre shared -1+ pre exclusive +1+ 1 else pre shared else |
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| 57 | if(e5) then if(garde5) then pre 0 else pre shared else |
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| 58 | if(e7) then if(garde7) then pre shared+2 else pre shared else |
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| 59 | if(e8) then if(garde8) then pre shared + pre exclusive + 1 else pre shared else |
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| 60 | pre shared; |
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| 61 | tel |
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| 62 | 65f71d05 | ploc | --@ ensures OK; |
| 63 | 22fe1c93 | ploc | node top(e1, e2, e3, e4, e5, e6, e7, e8 : bool; i_invalid : int) |
| 64 | returns( OK : bool ); |
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| 65 | var invalid, dirty, exclusive, shared : int; |
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| 66 | env : bool; |
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| 67 | let |
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| 68 | ( invalid, dirty, exclusive, shared ) = |
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| 69 | firefly( e1, e2, e3, e4, e5, e6, e7, e8, i_invalid ); |
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| 70 | env = Sofar( excludes8( e1, e2, e3, e4, e5, e6, e7, e8 ) and |
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| 71 | i_invalid >= 0 ); |
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| 72 | OK = env => dirty < 2; |
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| 73 | --%MAIN; |
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| 74 | --%PROPERTY OK=true; |
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| 75 | tel |