lustrec / test / src / kind_fmcad08 / memory1 / FIREFLY_8_e2_1711_e3_1753.lus @ 0cbf0839
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node Sofar( X : bool ) returns ( Sofar : bool ); |
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let |
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Sofar = X -> X and pre Sofar; |
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tel |
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node excludes8( X1, X2, X3, X4, X5, X6, X7, X8 : bool ) returns ( excludes : bool ); |
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let |
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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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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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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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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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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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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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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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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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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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tel |
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node firefly(e1, e2, e3, e4, e5, e6, e7, e8 : bool; i_invalid : int) |
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returns(invalid, dirty, exclusive, shared : int); |
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var |
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garde1, garde2, garde3, garde4, garde5, garde6, garde7, garde8 : bool; |
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mem_invalid : int; |
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let |
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mem_invalid = i_invalid -> pre mem_invalid; |
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garde1 = pre invalid>=1 and pre dirty=0 and pre shared=0 and pre exclusive=0 ; |
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garde2 = pre invalid>=1 and pre dirty>=1; |
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garde3 = pre invalid>=1 and pre shared+pre exclusive>=1; |
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garde4 = pre exclusive>=1; |
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garde5 = pre shared=1; |
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garde6 = pre invalid>=1 and pre dirty=0 and pre shared=0 and pre exclusive=0; |
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garde7 = pre invalid>=1 and pre dirty>=1; |
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garde8 = pre invalid>=1 and pre shared+pre exclusive>=1; |
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invalid = mem_invalid -> |
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if(e1) then if(garde1) then pre invalid-1 else pre invalid else |
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if(e2) then if(garde2) then pre invalid-1 else pre invalid else |
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if(e3) then if(garde3) then pre invalid-1 else pre invalid else |
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if(e6) then if(garde6) then pre invalid-1 else pre invalid else |
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if(e7) then if(garde7) then pre invalid-1 else pre invalid else |
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if(e8) then if(garde8) then pre invalid-1 else pre invalid else |
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pre invalid; |
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dirty = 0 -> |
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if(e2) then if(garde2) then pre dirty-1 else pre dirty else |
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if(e4) then if(garde4) then pre dirty+1 else pre dirty else |
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if(e6) then if(garde6) then 1 else pre dirty else |
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if(e7) then if(garde7) then pre dirty-1 else pre dirty else |
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pre dirty; |
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exclusive = 0 -> |
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if(e1) then if(garde1) then pre exclusive+1 else pre exclusive else |
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if(e3) then if(garde3) then 0 else pre exclusive else |
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if(e4) then if(garde4) then pre exclusive-1 else pre exclusive else |
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if(e5) then if(garde5) then pre exclusive+1 else pre exclusive else |
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if(e8) then if(garde8) then 0 else pre exclusive else |
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pre exclusive; |
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shared = 0 -> |
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if(e2) then if(garde2) then pre shared+2 else pre shared else |
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if(e3) then if(garde3) then pre shared -1+ pre exclusive - 1 else pre shared else |
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if(e5) then if(garde5) then pre 0 else pre shared else |
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if(e7) then if(garde7) then pre shared+2 else pre shared else |
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if(e8) then if(garde8) then pre shared + pre exclusive + 1 else pre shared else |
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pre shared; |
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tel |
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node top(e1, e2, e3, e4, e5, e6, e7, e8 : bool; i_invalid : int) |
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returns( OK : bool ); |
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var invalid, dirty, exclusive, shared : int; |
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env : bool; |
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let |
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( invalid, dirty, exclusive, shared ) = |
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firefly( e1, e2, e3, e4, e5, e6, e7, e8, i_invalid ); |
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env = Sofar( excludes8( e1, e2, e3, e4, e5, e6, e7, e8 ) and |
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i_invalid >= 0 and i_invalid < 5 ); |
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OK = env => invalid >= 0; |
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--%MAIN; |
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--%PROPERTY OK=true; |
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tel |