[14] | 1 | /**CFile*********************************************************************** |
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| 2 | |
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| 3 | FileName [ltlCompose.c] |
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| 4 | |
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| 5 | PackageName [ltl] |
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| 6 | |
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| 7 | Synopsis [Write the Buechi automaton into a file.] |
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| 8 | |
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| 9 | Author [Chao Wang<chao.wang@colorado.EDU>] |
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| 10 | |
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| 11 | Copyright [This file was created at the University of Colorado at Boulder. |
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| 12 | The University of Colorado at Boulder makes no warranty about the suitability |
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| 13 | of this software for any purpose. It is presented on an AS IS basis.] |
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| 14 | |
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| 15 | ******************************************************************************/ |
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| 16 | |
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| 17 | #include "ltlInt.h" |
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| 18 | |
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| 19 | static char rcsid[] UNUSED = "$Id: ltlCompose.c,v 1.30 2005/04/28 08:51:19 bli Exp $"; |
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| 20 | |
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| 21 | /*---------------------------------------------------------------------------*/ |
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| 22 | /* Constant declarations */ |
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| 23 | /*---------------------------------------------------------------------------*/ |
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| 24 | |
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| 25 | /*---------------------------------------------------------------------------*/ |
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| 26 | /* Structure declarations */ |
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| 27 | /*---------------------------------------------------------------------------*/ |
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| 28 | |
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| 29 | /*---------------------------------------------------------------------------*/ |
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| 30 | /* Type declarations */ |
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| 31 | /*---------------------------------------------------------------------------*/ |
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| 32 | |
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| 33 | /*---------------------------------------------------------------------------*/ |
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| 34 | /* Variable declarations */ |
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| 35 | /*---------------------------------------------------------------------------*/ |
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| 36 | |
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| 37 | /*---------------------------------------------------------------------------*/ |
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| 38 | /* Macro declarations */ |
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| 39 | /*---------------------------------------------------------------------------*/ |
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| 40 | |
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| 41 | /**AutomaticStart*************************************************************/ |
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| 42 | |
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| 43 | /*---------------------------------------------------------------------------*/ |
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| 44 | /* Static function prototypes */ |
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| 45 | /*---------------------------------------------------------------------------*/ |
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| 46 | |
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| 47 | static void AutomatonGetInputNames(Ltl_Automaton_t *A, array_t *InputNames, array_t *Name2LabelIdx); |
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| 48 | static int AutomatonCountSelector(Ltl_Automaton_t *A); |
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| 49 | static int AutomatonComputeInitState(Ltl_Automaton_t *A); |
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| 50 | /*static lsList AutomatonLabelGetCubes(Ltl_Automaton_t *A, LtlSet_t *compositeLabel, Ntk_Network_t *network);*/ |
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| 51 | static lsList GetCubes_Aux(Ltl_Automaton_t *A, int index); |
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| 52 | static char * StringNormalize(char *inputString); |
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| 53 | static void AutomatonVtxLabelToBlifMv(FILE *fp, Ltl_Automaton_t *A, vertex_t *vtx); |
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| 54 | static void VtxLabelToBlifMv_Aux(FILE *fp, Ltl_Automaton_t *A, int node_idx, int index, st_table *CreatedSignals); |
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| 55 | |
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| 56 | /**AutomaticEnd***************************************************************/ |
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| 57 | |
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| 58 | /*---------------------------------------------------------------------------*/ |
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| 59 | /* Definition of exported functions */ |
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| 60 | /*---------------------------------------------------------------------------*/ |
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| 61 | |
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| 62 | /**Function******************************************************************** |
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| 63 | |
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| 64 | Synopsis [Translate the Automaton into Dot format.] |
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| 65 | |
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| 66 | Description [] |
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| 67 | |
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| 68 | SideEffects [] |
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| 69 | |
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| 70 | SeeAlso [] |
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| 71 | |
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| 72 | ******************************************************************************/ |
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| 73 | void |
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| 74 | Ltl_AutomatonToDot( |
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| 75 | FILE *fp, |
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| 76 | Ltl_Automaton_t *aut, |
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| 77 | int level) |
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| 78 | { |
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| 79 | edge_t *edge; |
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| 80 | vertex_t *vtx1, *vtx2; |
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| 81 | Ltl_AutomatonNode_t *node, *node2; |
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| 82 | lsGen lsgen, lsgen2; |
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| 83 | st_table *FairSet; |
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| 84 | st_generator *stgen; |
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| 85 | Ctlsp_Formula_t *F; |
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| 86 | char *tmpString; |
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| 87 | int fairindex, first, i, n; |
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| 88 | |
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| 89 | /*------------------------------------------------- |
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| 90 | * digraph "G(F(p=1))" { |
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| 91 | * node [shape=ellipse]; |
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| 92 | * size = "7.5,10" |
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| 93 | * center = true; |
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| 94 | * "title" [label="G(F(p=1))", shape=plaintext]; |
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| 95 | *------------------------------------------------- |
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| 96 | */ |
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| 97 | if (aut->name) |
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| 98 | tmpString = aut->name; |
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| 99 | else |
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| 100 | tmpString = ""; |
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| 101 | |
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| 102 | fprintf(fp, "\ndigraph \"%s\" {\nnode [shape=ellipse];\nsize = \"7.5,10\"\ncenter = true;\n\"title\" [label=\"%s\",shape=plaintext];", tmpString, tmpString); |
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| 103 | |
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| 104 | /*------------------------------------------------- |
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| 105 | * "n1" [label="n1\n{p=1}\n(1)"]; |
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| 106 | *------------------------------------------------- |
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| 107 | */ |
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| 108 | foreach_vertex( aut->G, lsgen, vtx1) { |
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| 109 | node = (Ltl_AutomatonNode_t *)vtx1->user_data; |
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| 110 | fprintf(fp,"\n\"n%d\" [label=\"n%d\\n{", node->index, node->index); |
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| 111 | if (node->Labels) { |
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| 112 | first = 1; n = array_n(aut->labelTable); |
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| 113 | for (i=0; i<n; i++) { |
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| 114 | if (LtlSetGetElt(node->Labels, i)) { |
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| 115 | if (!first) fprintf(fp, ","); |
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| 116 | else first = 0; |
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| 117 | F = array_fetch(Ctlsp_Formula_t *, aut->labelTable, i); |
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| 118 | Ctlsp_FormulaPrint(fp, F); |
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| 119 | } |
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| 120 | } |
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| 121 | } |
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| 122 | fprintf(fp, "}\\n("); |
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| 123 | fairindex = 1; |
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| 124 | lsForEachItem(aut->Fair, lsgen2, FairSet) { |
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| 125 | if (st_is_member(FairSet, vtx1)) |
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| 126 | fprintf(fp, " %d ", fairindex); |
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| 127 | fairindex++; |
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| 128 | } |
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| 129 | fprintf(fp, ")\"];"); |
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| 130 | } |
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| 131 | |
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| 132 | /*------------------------------------------------- |
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| 133 | * "init-n2" [style=invis] |
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| 134 | * "init-n2" -> "n2"; |
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| 135 | *------------------------------------------------- |
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| 136 | */ |
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| 137 | st_foreach_item(aut->Init, stgen, &vtx1, NIL(char *)) { |
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| 138 | node = (Ltl_AutomatonNode_t *) vtx1->user_data; |
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| 139 | fprintf(fp, "\n\"init-n%d\" [style=invis]", node->index); |
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| 140 | fprintf(fp, "\n\"init-n%d\" -> \"n%d\";", node->index, node->index); |
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| 141 | } |
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| 142 | |
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| 143 | |
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| 144 | /*------------------------------------------------- |
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| 145 | * "n1" -> "n1"; |
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| 146 | *------------------------------------------------- |
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| 147 | */ |
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| 148 | foreach_edge(aut->G, lsgen, edge) { |
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| 149 | vtx1 = g_e_source(edge); |
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| 150 | vtx2 = g_e_dest(edge); |
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| 151 | node = (Ltl_AutomatonNode_t *) vtx1->user_data; |
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| 152 | node2 = (Ltl_AutomatonNode_t *) vtx2->user_data; |
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| 153 | fprintf(fp, "\n\"n%d\" -> \"n%d\";", node->index, node2->index); |
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| 154 | } |
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| 155 | fprintf(fp, "\n}\n"); |
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| 156 | } |
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| 157 | |
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| 158 | |
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| 159 | /**Function******************************************************************** |
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| 160 | |
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| 161 | Synopsis [Translate the automaton to a BlifMv file.] |
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| 162 | |
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| 163 | Description [The Hrc_Manager may or may not be provided. If not, the blifmv |
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| 164 | file generated is not complete (all the inputs are assummed to be boolean). |
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| 165 | |
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| 166 | Notice that the labels on each state are propositional subformulae, not |
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| 167 | necessarily atomic propositions.] |
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| 168 | |
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| 169 | SideEffects [] |
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| 170 | |
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| 171 | SeeAlso [] |
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| 172 | |
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| 173 | ******************************************************************************/ |
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| 174 | int |
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| 175 | Ltl_AutomatonToBlifMv( |
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| 176 | FILE *fp, |
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| 177 | Ntk_Network_t *network, |
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| 178 | Ltl_Automaton_t *A) |
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| 179 | { |
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| 180 | Var_Variable_t *inputVar; |
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| 181 | array_t *InputNames = array_alloc(char *, 0); |
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| 182 | array_t *Name2LabelIdx = array_alloc(st_table *, 0); |
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| 183 | Ntk_Node_t *ntknode; |
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| 184 | char *inputName; |
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| 185 | st_generator *stgen; |
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| 186 | lsGen lsgen, lsgen2; |
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| 187 | int i, j, is_enum, range; |
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| 188 | int sel_num, sel_cnt; |
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| 189 | edge_t *edge; |
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| 190 | vertex_t *vtx, *vtx2; |
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| 191 | st_table *FairSet, *tmptbl; |
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| 192 | int InitIdx = AutomatonComputeInitState(A); |
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| 193 | char InitStr[10]; |
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| 194 | int result = 1; |
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| 195 | array_t *labelArray; |
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| 196 | |
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| 197 | /* The initState of the automaton */ |
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| 198 | if (InitIdx == -1) |
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| 199 | sprintf(InitStr, "Init"); |
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| 200 | else |
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| 201 | sprintf(InitStr, "n%d", InitIdx); |
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| 202 | |
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| 203 | if (network == NIL(Ntk_Network_t)) { |
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| 204 | result = 0; |
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| 205 | fprintf(vis_stderr, "Warning: the BlifMv output is incomplete. (The current node is empty. Read in design.)\n"); |
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| 206 | } |
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| 207 | |
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| 208 | /* Retrieve all the input names on the labels; For each input, create a |
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| 209 | * hash table and add all the label subformulae contains that input; |
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| 210 | * Finally, calculate the size of the "selector" |
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| 211 | */ |
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| 212 | AutomatonGetInputNames(A, InputNames, Name2LabelIdx); |
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| 213 | sel_num = AutomatonCountSelector(A); |
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| 214 | fprintf(fp, "\n# Buechi automaton: %s\n\n", A->name); |
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| 215 | |
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| 216 | /*------------------------------------------------------- |
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| 217 | * .model Buechi$AUT |
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| 218 | * .root Buechi$AUT |
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| 219 | *------------------------------------------------------- |
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| 220 | */ |
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| 221 | fprintf(fp, ".model Buechi$AUT\n.root Buechi$AUT"); |
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| 222 | |
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| 223 | /*------------------------------------------------------- |
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| 224 | * .inputs in1 in2 in3 ... inN |
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| 225 | *------------------------------------------------------- |
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| 226 | */ |
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| 227 | fprintf(fp, "\n.inputs "); |
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| 228 | for (i=0; i<array_n(InputNames); i++) { |
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| 229 | inputName = array_fetch(char *, InputNames, i); |
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| 230 | fprintf(fp, "%s ", inputName); |
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| 231 | } |
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| 232 | |
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| 233 | /*------------------------------------------------------- |
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| 234 | * .outputs fair1 fair2 fair3... fairN |
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| 235 | *------------------------------------------------------- |
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| 236 | */ |
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| 237 | fprintf(fp, "\n.outputs "); |
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| 238 | if ( lsLength(A->Fair) != 0) { |
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| 239 | for (i=0; i<lsLength(A->Fair); i++) { |
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| 240 | fprintf(fp, "fair%d$AUT ", i+1); |
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| 241 | } |
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| 242 | }else |
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| 243 | fprintf(fp, "fair1$AUT"); |
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| 244 | |
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| 245 | /*------------------------------------------------------- |
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| 246 | * .mv in1 3 RED GREEN YELLOW |
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| 247 | *------------------------------------------------------- |
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| 248 | */ |
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| 249 | if (network != NIL(Ntk_Network_t)) { |
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| 250 | for (i=0; i<array_n(InputNames); i++) { |
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| 251 | inputName = array_fetch(char *, InputNames, i); |
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| 252 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
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| 253 | assert(ntknode != NIL(Ntk_Node_t)); |
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| 254 | inputVar = Ntk_NodeReadVariable(ntknode); |
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| 255 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
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| 256 | range = Var_VariableReadNumValues(inputVar); |
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| 257 | if (is_enum) { |
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| 258 | if (range != 2) |
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| 259 | fprintf(fp, "\n.mv %s %d\n", inputName, range); |
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| 260 | }else { |
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| 261 | fprintf(fp, "\n.mv %s %d ", inputName, range); |
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| 262 | for (j=0; j<range; j++) { |
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| 263 | fprintf(fp, "%s ", |
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| 264 | Var_VariableReadSymbolicValueFromIndex(inputVar,j)); |
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| 265 | } |
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| 266 | } |
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| 267 | } |
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| 268 | } |
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| 269 | |
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| 270 | /*------------------------------------------------------- |
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| 271 | * .mv stateD$AUT N Init n1 n2 n3 ... nN |
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| 272 | * .mv state$AUT N Init n1 n2 n3 ... nN |
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| 273 | *------------------------------------------------------- |
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| 274 | */ |
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| 275 | if (InitIdx == -1) |
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| 276 | fprintf(fp, "\n.mv stateD$AUT %d Init Trap ", |
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| 277 | lsLength(g_get_vertices(A->G)) + 2); |
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| 278 | else |
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| 279 | fprintf(fp, "\n.mv stateD$AUT %d Trap ", |
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| 280 | lsLength(g_get_vertices(A->G)) + 1); |
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| 281 | foreach_vertex(A->G, lsgen, vtx) { |
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| 282 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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| 283 | } |
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| 284 | if (InitIdx == -1) |
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| 285 | fprintf(fp, "\n.mv state$AUT %d Init Trap ", |
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| 286 | lsLength(g_get_vertices(A->G)) + 2); |
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| 287 | else |
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| 288 | fprintf(fp, "\n.mv state$AUT %d Trap ", |
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| 289 | lsLength(g_get_vertices(A->G)) + 1); |
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| 290 | foreach_vertex(A->G, lsgen, vtx) { |
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| 291 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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| 292 | } |
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| 293 | |
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| 294 | /*------------------------------------------------------- |
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| 295 | * .mv selector n |
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| 296 | * .table selector |
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| 297 | * - |
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| 298 | *------------------------------------------------------- |
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| 299 | */ |
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| 300 | if (sel_num > 1) |
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| 301 | fprintf(fp, "\n.mv selector$AUT %d\n.table selector$AUT\n-", sel_num); |
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| 302 | |
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| 303 | /*------------------------------------------------------- |
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| 304 | * for each state label, create a signal n1_##_label$AUT (recursively) |
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| 305 | *------------------------------------------------------- |
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| 306 | */ |
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| 307 | labelArray = array_alloc(vertex_t *, 0); |
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| 308 | foreach_vertex(A->G, lsgen, vtx) { |
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| 309 | AutomatonVtxLabelToBlifMv(fp, A, vtx); |
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| 310 | array_insert_last(vertex_t *, labelArray, vtx); |
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| 311 | } |
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| 312 | |
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| 313 | /*------------------------------------------------------- |
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| 314 | * .latch stateD$AUT state$AUT |
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| 315 | * .reset state$AUT |
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| 316 | * Init (or ns) |
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| 317 | *------------------------------------------------------- |
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| 318 | */ |
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| 319 | fprintf(fp, "\n.latch stateD$AUT state$AUT\n.reset -> state$AUT\n%s", |
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| 320 | InitStr); |
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| 321 | |
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| 322 | |
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| 323 | /*------------------------------------------------------ |
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| 324 | * .table selector$AUT state$AUT n1_label$AUT n2_label... -> stateD$AUT |
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| 325 | * .default Trap |
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| 326 | * 0 1 0 0 ... n1 |
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| 327 | * 1 0 1 n2 |
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| 328 | * ... |
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| 329 | *------------------------------------------------------ |
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| 330 | */ |
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| 331 | if (sel_num >1) |
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| 332 | fprintf(fp, "\n.table selector$AUT state$AUT "); |
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| 333 | else |
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| 334 | fprintf(fp, "\n.table state$AUT "); |
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| 335 | |
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| 336 | arrayForEachItem(vertex_t *, labelArray, i, vtx) { |
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| 337 | fprintf(fp, "n%d_label$AUT ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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| 338 | } |
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| 339 | fprintf(fp, " -> stateD$AUT\n.default Trap"); |
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| 340 | |
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| 341 | if (InitIdx == -1) { |
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| 342 | sel_cnt = 0; |
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| 343 | arrayForEachItem(vertex_t *, labelArray, i, vtx) { |
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| 344 | if (!st_is_member(A->Init, vtx)) |
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| 345 | continue; |
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| 346 | if (sel_num > 1) { |
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| 347 | if (st_count(A->Init) == 1) |
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| 348 | fprintf(fp, "\n- Init "); |
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| 349 | else |
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| 350 | fprintf(fp, "\n%d Init ", sel_cnt); |
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| 351 | }else |
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| 352 | fprintf(fp, "\nInit "); |
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| 353 | |
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| 354 | for(j=0; j<array_n(labelArray); j++) |
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| 355 | fprintf(fp, "%s ", ((i==j)?"1":"-")); |
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| 356 | |
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| 357 | fprintf(fp, " n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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| 358 | |
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| 359 | if (sel_num > 1) |
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| 360 | sel_cnt++; |
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| 361 | } |
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| 362 | } |
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| 363 | |
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| 364 | /* for each edge (n1, n2) with n2 labeled n2_label$AUT, add entry: |
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| 365 | *------------------------------------------------------- |
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| 366 | * selector 1 0 0 ... n1 |
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| 367 | * selector 0 1 0 ... n2 |
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| 368 | * ... |
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| 369 | *------------------------------------------------------- |
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| 370 | */ |
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| 371 | foreach_vertex(A->G, lsgen, vtx) { |
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| 372 | int n1 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
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| 373 | int outDegree = lsLength(g_get_out_edges(vtx)); |
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| 374 | sel_cnt = 0; |
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| 375 | foreach_out_edge(vtx, lsgen2, edge) { |
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| 376 | int n2 = Ltl_AutomatonVtxGetNodeIdx(g_e_dest(edge)); |
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| 377 | |
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| 378 | if (sel_num > 1) { |
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| 379 | if (outDegree == 1) |
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| 380 | fprintf(fp, "\n- n%d ", n1); |
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| 381 | else |
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| 382 | fprintf(fp, "\n%d n%d ", sel_cnt, n1); |
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| 383 | }else { |
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| 384 | fprintf(fp, "\nn%d ", n1); |
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| 385 | } |
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| 386 | |
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| 387 | arrayForEachItem(vertex_t *, labelArray, i, vtx2) { |
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| 388 | fprintf(fp, "%s ", ((vtx2 == g_e_dest(edge))?"1":"-")); |
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| 389 | } |
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| 390 | fprintf(fp, " n%d", n2); |
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| 391 | |
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| 392 | if (sel_num > 1) |
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| 393 | sel_cnt++; |
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| 394 | } |
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| 395 | } |
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| 396 | array_free(labelArray); |
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| 397 | |
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| 398 | /*------------------------------------------------------- |
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| 399 | * .table state -> fair1 |
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| 400 | * .default 0 |
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| 401 | * ------------------------------------------------------ |
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| 402 | */ |
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| 403 | if (lsLength(A->Fair) != 0) { |
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| 404 | i = 1; |
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| 405 | lsForEachItem(A->Fair, lsgen, FairSet) { |
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| 406 | int isFirst = 1; |
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| 407 | fprintf(fp, "\n.table state$AUT -> fair%d$AUT ", i++); |
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| 408 | fprintf(fp, "\n.default 0\n("); |
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| 409 | st_foreach_item(FairSet, stgen, &vtx, NIL(char *)) { |
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| 410 | if (isFirst) |
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| 411 | isFirst = 0; |
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| 412 | else |
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| 413 | fprintf(fp, ","); |
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| 414 | fprintf(fp, "n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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| 415 | } |
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| 416 | fprintf(fp, ") 1"); |
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| 417 | } |
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| 418 | }else { |
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| 419 | fprintf(fp, "\n.table state$AUT -> fair1$AUT "); |
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| 420 | if (InitIdx == -1) |
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| 421 | fprintf(fp, "\n.default 0\n!(Trap,Init) 1"); |
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| 422 | else |
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| 423 | fprintf(fp, "\n.default 0\n!(Trap) 1"); |
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| 424 | } |
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| 425 | |
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| 426 | /*------------------------------------------------------- |
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| 427 | * .end |
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| 428 | * ------------------------------------------------------ |
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| 429 | */ |
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| 430 | fprintf(fp, "\n.end\n"); |
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| 431 | |
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| 432 | /* free the name array |
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| 433 | */ |
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| 434 | array_free(InputNames); |
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| 435 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
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| 436 | st_free_table(tmptbl); |
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| 437 | } |
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| 438 | array_free(Name2LabelIdx); |
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| 439 | |
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| 440 | return result; |
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| 441 | } |
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| 442 | |
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| 443 | #if 0 |
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| 444 | int |
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| 445 | Ltl_AutomatonToBlifMv_Old( |
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| 446 | FILE *fp, |
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| 447 | Ntk_Network_t *network, |
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| 448 | Ltl_Automaton_t *A) |
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| 449 | { |
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| 450 | Var_Variable_t *inputVar; |
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| 451 | array_t *InputNames = array_alloc(char *, 0); |
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| 452 | array_t *Name2LabelIdx = array_alloc(st_table *, 0); |
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| 453 | Ntk_Node_t *ntknode; |
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| 454 | char *inputName; |
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| 455 | st_generator *stgen, *stgen2; |
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| 456 | lsGen lsgen, lsgen2, lsgen3; |
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| 457 | int i, j, is_enum, range; |
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| 458 | long index; |
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| 459 | int sel_num, sel_cnt; |
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| 460 | edge_t *edge; |
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| 461 | vertex_t *vtx; |
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| 462 | st_table *FairSet, *tmptbl; |
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| 463 | LtlSet_t *label; |
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| 464 | int InitIdx = AutomatonComputeInitState(A); |
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| 465 | char InitStr[10]; |
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| 466 | int result = 1; |
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| 467 | |
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| 468 | /* The initState of the automaton */ |
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| 469 | if (InitIdx == -1) |
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| 470 | sprintf(InitStr, "Init"); |
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| 471 | else |
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| 472 | sprintf(InitStr, "n%d", InitIdx); |
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| 473 | |
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| 474 | if (network == NIL(Ntk_Network_t)) { |
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| 475 | result = 0; |
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| 476 | fprintf(vis_stderr, "Warning: the BlifMv output is incomplete. (The current node is empty. Read in design.)\n"); |
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| 477 | } |
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| 478 | |
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| 479 | /* Retrieve all the input names on the labels; For each input, create a |
---|
| 480 | * hash table and add all the label subformulae contains that input; |
---|
| 481 | * Finally, calculate the size of the "selector" |
---|
| 482 | */ |
---|
| 483 | AutomatonGetInputNames(A, InputNames, Name2LabelIdx); |
---|
| 484 | sel_num = AutomatonCountSelector(A); |
---|
| 485 | fprintf(fp, "\n# Buechi automaton: %s\n\n", A->name); |
---|
| 486 | |
---|
| 487 | /*------------------------------------------------------- |
---|
| 488 | * .model Buechi$AUT |
---|
| 489 | * .root Buechi$AUT |
---|
| 490 | *------------------------------------------------------- |
---|
| 491 | */ |
---|
| 492 | fprintf(fp, ".model Buechi$AUT\n.root Buechi$AUT"); |
---|
| 493 | |
---|
| 494 | /*------------------------------------------------------- |
---|
| 495 | * .inputs in1 in2 in3 ... inN |
---|
| 496 | *------------------------------------------------------- |
---|
| 497 | */ |
---|
| 498 | fprintf(fp, "\n.inputs "); |
---|
| 499 | for (i=0; i<array_n(InputNames); i++) { |
---|
| 500 | inputName = array_fetch(char *, InputNames, i); |
---|
| 501 | fprintf(fp, "%s ", inputName); |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | /*------------------------------------------------------- |
---|
| 505 | * .outputs fair1 fair2 fair3... fairN |
---|
| 506 | *------------------------------------------------------- |
---|
| 507 | */ |
---|
| 508 | fprintf(fp, "\n.outputs "); |
---|
| 509 | if ( lsLength(A->Fair) != 0) { |
---|
| 510 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
| 511 | fprintf(fp, "fair%d$AUT ", i+1); |
---|
| 512 | } |
---|
| 513 | }else |
---|
| 514 | fprintf(fp, "fair1$AUT"); |
---|
| 515 | |
---|
| 516 | /*------------------------------------------------------- |
---|
| 517 | * .mv in1 3 RED GREEN YELLOW |
---|
| 518 | *------------------------------------------------------- |
---|
| 519 | */ |
---|
| 520 | if (network != NIL(Ntk_Network_t)) { |
---|
| 521 | for (i=0; i<array_n(InputNames); i++) { |
---|
| 522 | inputName = array_fetch(char *, InputNames, i); |
---|
| 523 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
---|
| 524 | assert(ntknode != NIL(Ntk_Node_t)); |
---|
| 525 | inputVar = Ntk_NodeReadVariable(ntknode); |
---|
| 526 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
---|
| 527 | range = Var_VariableReadNumValues(inputVar); |
---|
| 528 | if (is_enum) { |
---|
| 529 | if (range != 2) |
---|
| 530 | fprintf(fp, "\n.mv %s %d\n", inputName, range); |
---|
| 531 | }else { |
---|
| 532 | fprintf(fp, "\n.mv %s %d ", inputName, range); |
---|
| 533 | for (j=0; j<range; j++) { |
---|
| 534 | fprintf(fp, "%s ", |
---|
| 535 | Var_VariableReadSymbolicValueFromIndex(inputVar,j)); |
---|
| 536 | } |
---|
| 537 | } |
---|
| 538 | } |
---|
| 539 | } |
---|
| 540 | |
---|
| 541 | /*------------------------------------------------------- |
---|
| 542 | * .mv stateD$AUT N Init n1 n2 n3 ... nN |
---|
| 543 | * .mv state$AUT N Init n1 n2 n3 ... nN |
---|
| 544 | *------------------------------------------------------- |
---|
| 545 | */ |
---|
| 546 | if (InitIdx == -1) |
---|
| 547 | fprintf(fp, "\n.mv stateD$AUT %d Init Trap ", |
---|
| 548 | lsLength(g_get_vertices(A->G)) + 2); |
---|
| 549 | else |
---|
| 550 | fprintf(fp, "\n.mv stateD$AUT %d Trap ", |
---|
| 551 | lsLength(g_get_vertices(A->G)) + 1); |
---|
| 552 | foreach_vertex(A->G, lsgen, vtx) { |
---|
| 553 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
| 554 | } |
---|
| 555 | if (InitIdx == -1) |
---|
| 556 | fprintf(fp, "\n.mv state$AUT %d Init Trap ", |
---|
| 557 | lsLength(g_get_vertices(A->G)) + 2); |
---|
| 558 | else |
---|
| 559 | fprintf(fp, "\n.mv state$AUT %d Trap ", |
---|
| 560 | lsLength(g_get_vertices(A->G)) + 1); |
---|
| 561 | foreach_vertex(A->G, lsgen, vtx) { |
---|
| 562 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | /*------------------------------------------------------- |
---|
| 566 | * .mv selector n |
---|
| 567 | * .table selector |
---|
| 568 | * - |
---|
| 569 | *------------------------------------------------------- |
---|
| 570 | */ |
---|
| 571 | if (sel_num > 1) |
---|
| 572 | fprintf(fp, "\n.mv selector$AUT %d\n.table selector$AUT\n-", sel_num); |
---|
| 573 | |
---|
| 574 | /*------------------------------------------------------- |
---|
| 575 | * .latch stateD$AUT state$AUT |
---|
| 576 | * .reset state$AUT |
---|
| 577 | * Init (or ns) |
---|
| 578 | *------------------------------------------------------- |
---|
| 579 | */ |
---|
| 580 | fprintf(fp, "\n.latch stateD$AUT state$AUT\n.reset -> state$AUT\n%s", |
---|
| 581 | InitStr); |
---|
| 582 | |
---|
| 583 | /*------------------------------------------------------ |
---|
| 584 | * .table selector$AUT state$AUT in1 in2 ... inN -> stateD$AUT |
---|
| 585 | * .default Trap |
---|
| 586 | *------------------------------------------------------ |
---|
| 587 | */ |
---|
| 588 | if (sel_num >1) |
---|
| 589 | fprintf(fp, "\n.table selector$AUT state$AUT "); |
---|
| 590 | else |
---|
| 591 | fprintf(fp, "\n.table state$AUT "); |
---|
| 592 | |
---|
| 593 | for (i=0; i<array_n(InputNames); i++) { |
---|
| 594 | inputName = array_fetch(char *, InputNames, i); |
---|
| 595 | fprintf(fp, "%s ", inputName); |
---|
| 596 | } |
---|
| 597 | fprintf(fp, " -> stateD$AUT\n.default Trap"); |
---|
| 598 | |
---|
| 599 | |
---|
| 600 | /* for each initial state n2 with label "in1=p !in3=q...", add entry: |
---|
| 601 | *------------------------------------------------------- |
---|
| 602 | * selector Init (p) - (!(q)) .. n2 |
---|
| 603 | *------------------------------------------------------- |
---|
| 604 | */ |
---|
| 605 | if (InitIdx == -1) { |
---|
| 606 | sel_cnt = 0; |
---|
| 607 | st_foreach_item(A->Init, stgen, &vtx, NIL(char *)) { |
---|
| 608 | int n2 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
| 609 | /* each 'compLabel' is a set of "propositional formulae" */ |
---|
| 610 | LtlSet_t *compLabel = LtlAutomatonVertexGetLabels(vtx); |
---|
| 611 | /* each item in labelList is a set of "atomic proposition" */ |
---|
| 612 | lsList labelList = AutomatonLabelGetCubes(A, compLabel, network); |
---|
| 613 | lsForEachItem(labelList, lsgen, label) { |
---|
| 614 | if (sel_num > 1) { |
---|
| 615 | if (st_count(A->Init) == 1) |
---|
| 616 | fprintf(fp, "\n- Init "); |
---|
| 617 | else |
---|
| 618 | fprintf(fp, "\n%d Init ", sel_cnt); |
---|
| 619 | }else |
---|
| 620 | fprintf(fp, "\nInit "); |
---|
| 621 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
---|
| 622 | int isFirst = 1; |
---|
| 623 | int is_universe = 1; |
---|
| 624 | /* The value is the universe '-' iff it is not in the label */ |
---|
| 625 | if (!LtlSetIsEmpty(label)) { |
---|
| 626 | st_foreach_item(tmptbl, stgen2, &index, NIL(char *)) { |
---|
| 627 | if (LtlSetGetElt(label, (int) index)) { |
---|
| 628 | is_universe = 0; |
---|
| 629 | st_free_gen(stgen2); |
---|
| 630 | break; |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | } |
---|
| 634 | if (is_universe) { |
---|
| 635 | fprintf(fp, "- "); |
---|
| 636 | continue; |
---|
| 637 | } |
---|
| 638 | /* Otherwise, write the value. Note that the value should be |
---|
| 639 | * the conjunction of the values of the atomic propositions. |
---|
| 640 | * A * B * C = !(!A + !B +!C) |
---|
| 641 | */ |
---|
| 642 | fprintf(fp, "!("); |
---|
| 643 | st_foreach_item(tmptbl, stgen2, &index, NIL(char *)) { |
---|
| 644 | if (LtlSetGetElt(label, (int) index)) { |
---|
| 645 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
| 646 | A->labelTable, |
---|
| 647 | (int) index); |
---|
| 648 | if (isFirst) |
---|
| 649 | isFirst = 0; |
---|
| 650 | else |
---|
| 651 | fprintf(fp, ","); |
---|
| 652 | if (Ctlsp_FormulaReadType(F) == Ctlsp_NOT_c) { |
---|
| 653 | F = Ctlsp_FormulaReadLeftChild(F); |
---|
| 654 | }else { |
---|
| 655 | fprintf(fp, "!"); |
---|
| 656 | } |
---|
| 657 | |
---|
| 658 | fprintf(fp, "(%s)", Ctlsp_FormulaReadValueName(F)); |
---|
| 659 | } |
---|
| 660 | } |
---|
| 661 | fprintf(fp, ") "); |
---|
| 662 | } |
---|
| 663 | fprintf(fp, " n%d", n2); |
---|
| 664 | } |
---|
| 665 | lsDestroy(labelList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 666 | |
---|
| 667 | if (sel_num > 1) |
---|
| 668 | sel_cnt++; |
---|
| 669 | } |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | /* for each edge (n1, n2) with n2 labelled "in1=p !in3=q...", add entry: |
---|
| 673 | *------------------------------------------------------- |
---|
| 674 | * selector n1 (p) - (!(q)) ... n2 |
---|
| 675 | *------------------------------------------------------- |
---|
| 676 | */ |
---|
| 677 | foreach_vertex(A->G, lsgen, vtx) { |
---|
| 678 | int n1 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
| 679 | int outDegree = lsLength(g_get_out_edges(vtx)); |
---|
| 680 | sel_cnt = 0; |
---|
| 681 | foreach_out_edge(vtx, lsgen2, edge) { |
---|
| 682 | int n2 = Ltl_AutomatonVtxGetNodeIdx(g_e_dest(edge)); |
---|
| 683 | /* 'compLabel' contains a set of "propositional formulae" */ |
---|
| 684 | LtlSet_t *compLabel = LtlAutomatonVertexGetLabels(g_e_dest(edge)); |
---|
| 685 | /* each item in 'labelList' is a set of "atomic propositions" */ |
---|
| 686 | lsList labelList = AutomatonLabelGetCubes(A, compLabel, network); |
---|
| 687 | lsForEachItem(labelList, lsgen3, label) { |
---|
| 688 | if (sel_num > 1) { |
---|
| 689 | if (outDegree == 1) |
---|
| 690 | fprintf(fp, "\n- n%d ", n1); |
---|
| 691 | else |
---|
| 692 | fprintf(fp, "\n%d n%d ", sel_cnt, n1); |
---|
| 693 | }else { |
---|
| 694 | fprintf(fp, "\nn%d ", n1); |
---|
| 695 | } |
---|
| 696 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
---|
| 697 | int isFirst = 1; |
---|
| 698 | int is_universe = 1; |
---|
| 699 | /* the value is universe '-' iff it is not in the label */ |
---|
| 700 | if (!LtlSetIsEmpty(label)) { |
---|
| 701 | st_foreach_item(tmptbl,stgen2,&index, NIL(char *)){ |
---|
| 702 | if (LtlSetGetElt(label, (int) index)) { |
---|
| 703 | is_universe = 0; |
---|
| 704 | st_free_gen(stgen2); |
---|
| 705 | break; |
---|
| 706 | } |
---|
| 707 | } |
---|
| 708 | } |
---|
| 709 | if (is_universe) { |
---|
| 710 | fprintf(fp, "- "); |
---|
| 711 | continue; |
---|
| 712 | } |
---|
| 713 | /* write the value as the conjunction of the values in the |
---|
| 714 | * atomic proposition. for example, if the state is labeled |
---|
| 715 | * 'in1={R,G,B}' and 'in1={G}', we should write as |
---|
| 716 | * !( !(R,G,B), !(G) ) |
---|
| 717 | * Note that it's the same as {R,G,B}^{G}={G} |
---|
| 718 | */ |
---|
| 719 | fprintf(fp, "!("); |
---|
| 720 | st_foreach_item(tmptbl, stgen, &index, NIL(char *)) { |
---|
| 721 | if (LtlSetGetElt(label, (int) index)) { |
---|
| 722 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
| 723 | A->labelTable, |
---|
| 724 | (int) index); |
---|
| 725 | if (isFirst) |
---|
| 726 | isFirst = 0; |
---|
| 727 | else |
---|
| 728 | fprintf(fp, ","); |
---|
| 729 | if (Ctlsp_FormulaReadType(F) == Ctlsp_NOT_c) |
---|
| 730 | F = Ctlsp_FormulaReadLeftChild(F); |
---|
| 731 | else |
---|
| 732 | fprintf(fp, "!"); |
---|
| 733 | fprintf(fp, "(%s)", Ctlsp_FormulaReadValueName(F)); |
---|
| 734 | } |
---|
| 735 | } |
---|
| 736 | fprintf(fp, ") "); |
---|
| 737 | } |
---|
| 738 | fprintf(fp, " n%d", n2); |
---|
| 739 | } |
---|
| 740 | lsDestroy(labelList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 741 | |
---|
| 742 | if (sel_num > 1) |
---|
| 743 | sel_cnt++; |
---|
| 744 | } |
---|
| 745 | } |
---|
| 746 | |
---|
| 747 | |
---|
| 748 | /*------------------------------------------------------- |
---|
| 749 | * .table state -> fair1 |
---|
| 750 | * .default 0 |
---|
| 751 | * ------------------------------------------------------ |
---|
| 752 | */ |
---|
| 753 | if (lsLength(A->Fair) != 0) { |
---|
| 754 | i = 1; |
---|
| 755 | lsForEachItem(A->Fair, lsgen, FairSet) { |
---|
| 756 | int isFirst = 1; |
---|
| 757 | fprintf(fp, "\n.table state$AUT -> fair%d$AUT ", i++); |
---|
| 758 | fprintf(fp, "\n.default 0\n("); |
---|
| 759 | st_foreach_item(FairSet, stgen, &vtx, NIL(char *)) { |
---|
| 760 | if (isFirst) |
---|
| 761 | isFirst = 0; |
---|
| 762 | else |
---|
| 763 | fprintf(fp, ","); |
---|
| 764 | fprintf(fp, "n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
| 765 | } |
---|
| 766 | fprintf(fp, ") 1"); |
---|
| 767 | } |
---|
| 768 | }else { |
---|
| 769 | fprintf(fp, "\n.table state$AUT -> fair1$AUT "); |
---|
| 770 | if (InitIdx == -1) |
---|
| 771 | fprintf(fp, "\n.default 0\n!(Trap,Init) 1"); |
---|
| 772 | else |
---|
| 773 | fprintf(fp, "\n.default 0\n!(Trap) 1"); |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | /*------------------------------------------------------- |
---|
| 777 | * .end |
---|
| 778 | * ------------------------------------------------------ |
---|
| 779 | */ |
---|
| 780 | fprintf(fp, "\n.end\n"); |
---|
| 781 | |
---|
| 782 | /* free the name array |
---|
| 783 | */ |
---|
| 784 | array_free(InputNames); |
---|
| 785 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
---|
| 786 | st_free_table(tmptbl); |
---|
| 787 | } |
---|
| 788 | array_free(Name2LabelIdx); |
---|
| 789 | |
---|
| 790 | return result; |
---|
| 791 | } |
---|
| 792 | #endif |
---|
| 793 | |
---|
| 794 | |
---|
| 795 | /**Function******************************************************************** |
---|
| 796 | |
---|
| 797 | Synopsis [Translate the automaton to Verilog file.] |
---|
| 798 | |
---|
| 799 | Description [The Hrc_Manager may or may not be provided. If not, the verilog |
---|
| 800 | file generated is not accurate (all the inputs are assummed to be boolean).] |
---|
| 801 | |
---|
| 802 | SideEffects [] |
---|
| 803 | |
---|
| 804 | SeeAlso [] |
---|
| 805 | |
---|
| 806 | ******************************************************************************/ |
---|
| 807 | int |
---|
| 808 | Ltl_AutomatonToVerilog( |
---|
| 809 | FILE *fp, |
---|
| 810 | Ntk_Network_t *network, |
---|
| 811 | Ltl_Automaton_t *A) |
---|
| 812 | { |
---|
| 813 | Var_Variable_t *inputVar; |
---|
| 814 | array_t *InputNames = array_alloc(char *, 0); |
---|
| 815 | array_t *Name2LabelIdx = array_alloc(st_table *, 0); |
---|
| 816 | Ntk_Node_t *ntknode; |
---|
| 817 | char *inputName, *formulaString, *normalString; |
---|
| 818 | st_generator *stgen; |
---|
| 819 | lsGen lsgen, lsgen2; |
---|
| 820 | int i, j, is_enum, range, isFirst; |
---|
| 821 | int sel_num, sel_cnt; |
---|
| 822 | edge_t *edge; |
---|
| 823 | vertex_t *vtx; |
---|
| 824 | st_table *FairSet; |
---|
| 825 | int InitIdx = AutomatonComputeInitState(A); |
---|
| 826 | char InitStr[10]; |
---|
| 827 | int result = 1; |
---|
| 828 | |
---|
| 829 | /* The initState of the automaton */ |
---|
| 830 | if (InitIdx == -1) |
---|
| 831 | sprintf(InitStr, "Init"); |
---|
| 832 | else |
---|
| 833 | sprintf(InitStr, "n%d", InitIdx); |
---|
| 834 | |
---|
| 835 | if (network == NIL(Ntk_Network_t)) { |
---|
| 836 | result = 0; |
---|
| 837 | fprintf(vis_stderr, "Warning: the Verilog output is incomplete. (The current node is empty. Read in design.)\n"); |
---|
| 838 | } |
---|
| 839 | |
---|
| 840 | /* Retrieve all the input names of the automaton into 'InputNames', And for |
---|
| 841 | * each name, put into a hash table all the subformulae contains it |
---|
| 842 | */ |
---|
| 843 | AutomatonGetInputNames(A, InputNames, Name2LabelIdx); |
---|
| 844 | sel_num = AutomatonCountSelector(A); |
---|
| 845 | fprintf(fp, "\n// Buechi automaton: %s", A->name); |
---|
| 846 | |
---|
| 847 | /*------------------------------------------------------- |
---|
| 848 | * typedef enum {Init, trap, n1, n2, ... nN} states; |
---|
| 849 | * typedef enum {READ, GREEN, YELLOW} type_in1; |
---|
| 850 | *------------------------------------------------------- |
---|
| 851 | */ |
---|
| 852 | if (InitIdx == -1) |
---|
| 853 | fprintf(fp, "\ntypedef enum {Init,Trap"); |
---|
| 854 | else |
---|
| 855 | fprintf(fp, "\ntypedef enum {Trap"); |
---|
| 856 | foreach_vertex(A->G, lsgen, vtx) { |
---|
| 857 | fprintf(fp, ",n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
| 858 | } |
---|
| 859 | fprintf(fp, "} type_states;"); |
---|
| 860 | |
---|
| 861 | if (network != NIL(Ntk_Network_t)) { |
---|
| 862 | arrayForEachItem(char *, InputNames, i, inputName) { |
---|
| 863 | /* replace illegal characters in the input name string */ |
---|
| 864 | normalString = StringNormalize(inputName); |
---|
| 865 | fprintf(fp, "\n//Input name mapping:\t %s => %s;", inputName, |
---|
| 866 | normalString); |
---|
| 867 | |
---|
| 868 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
---|
| 869 | assert(ntknode != NIL(Ntk_Node_t)); |
---|
| 870 | inputVar = Ntk_NodeReadVariable(ntknode); |
---|
| 871 | |
---|
| 872 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
---|
| 873 | range = Var_VariableReadNumValues(inputVar); |
---|
| 874 | if (is_enum) { |
---|
| 875 | if (range>2) |
---|
| 876 | fprintf(fp, "\ntypedef enum {0-%d} type_%s;", |
---|
| 877 | range-1, normalString); |
---|
| 878 | }else { |
---|
| 879 | fprintf(fp, "\ntypedef enum {"); |
---|
| 880 | isFirst = 1; |
---|
| 881 | for (j=0; j<range; j++) { |
---|
| 882 | char *vstr = |
---|
| 883 | Var_VariableReadSymbolicValueFromIndex(inputVar,j); |
---|
| 884 | if (isFirst) { |
---|
| 885 | fprintf(fp, "%s ", vstr); |
---|
| 886 | isFirst = 0; |
---|
| 887 | } else |
---|
| 888 | fprintf(fp, ",%s ", vstr); |
---|
| 889 | } |
---|
| 890 | fprintf(fp, "} type_%s;", normalString); |
---|
| 891 | } |
---|
| 892 | |
---|
| 893 | FREE(normalString); |
---|
| 894 | } |
---|
| 895 | } |
---|
| 896 | |
---|
| 897 | /*------------------------------------------------------- |
---|
| 898 | * module Buechi (clock, in1, in2 ... inN, fair1, ...); |
---|
| 899 | *------------------------------------------------------- |
---|
| 900 | */ |
---|
| 901 | fprintf(fp, "\n//Buechi Buechi (clock"); |
---|
| 902 | for (i=0; i<array_n(InputNames); i++) { |
---|
| 903 | inputName = array_fetch(char *, InputNames, i); |
---|
| 904 | fprintf(fp, ",%s", inputName); |
---|
| 905 | } |
---|
| 906 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
| 907 | fprintf(fp, ",fair%d", i+1); |
---|
| 908 | } |
---|
| 909 | fprintf(fp, ");"); |
---|
| 910 | |
---|
| 911 | fprintf(fp, "\nmodule Buechi (clock"); |
---|
| 912 | for (i=0; i<array_n(InputNames); i++) { |
---|
| 913 | inputName = array_fetch(char *, InputNames, i); |
---|
| 914 | normalString = StringNormalize(inputName); |
---|
| 915 | fprintf(fp, ",%s", normalString); |
---|
| 916 | FREE(normalString); |
---|
| 917 | } |
---|
| 918 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
| 919 | fprintf(fp, ",fair%d", i+1); |
---|
| 920 | } |
---|
| 921 | fprintf(fp, ");"); |
---|
| 922 | |
---|
| 923 | |
---|
| 924 | /*------------------------------------------------------- |
---|
| 925 | * input clock, in1, in2 ... inN ; |
---|
| 926 | * output fair1, fair2 ... fairN ; |
---|
| 927 | *------------------------------------------------------- |
---|
| 928 | */ |
---|
| 929 | fprintf(fp, "\n\tinput clock"); |
---|
| 930 | for (i=0; i<array_n(InputNames); i++) { |
---|
| 931 | inputName = array_fetch(char *, InputNames, i); |
---|
| 932 | normalString = StringNormalize(inputName); |
---|
| 933 | fprintf(fp, ", %s", normalString); |
---|
| 934 | FREE(normalString); |
---|
| 935 | } |
---|
| 936 | if (lsLength(A->Fair)>0) { |
---|
| 937 | fprintf(fp, ";\n\toutput "); |
---|
| 938 | isFirst = 1; |
---|
| 939 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
| 940 | if (isFirst) { |
---|
| 941 | fprintf(fp, "fair%d", i+1); |
---|
| 942 | isFirst = 0; |
---|
| 943 | } else { |
---|
| 944 | fprintf(fp, ",fair%d", i+1); |
---|
| 945 | } |
---|
| 946 | } |
---|
| 947 | } |
---|
| 948 | fprintf(fp, ";"); |
---|
| 949 | |
---|
| 950 | |
---|
| 951 | /*------------------------------------------------------- |
---|
| 952 | * type_in1 wire in1; |
---|
| 953 | * type_in2 wire in2; |
---|
| 954 | * ... |
---|
| 955 | * type_states reg state; |
---|
| 956 | * wire[0:logN] sel; |
---|
| 957 | *------------------------------------------------------- |
---|
| 958 | */ |
---|
| 959 | if (network != NIL(Ntk_Network_t)) { |
---|
| 960 | arrayForEachItem(char *, InputNames, i, inputName) { |
---|
| 961 | normalString = StringNormalize(inputName); |
---|
| 962 | |
---|
| 963 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
---|
| 964 | assert(ntknode != NIL(Ntk_Node_t)); |
---|
| 965 | inputVar = Ntk_NodeReadVariable(ntknode); |
---|
| 966 | |
---|
| 967 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
---|
| 968 | range = Var_VariableReadNumValues(inputVar); |
---|
| 969 | |
---|
| 970 | if (!is_enum || range > 2) |
---|
| 971 | fprintf(fp, "\n\ttype_%s wire %s;", normalString,normalString); |
---|
| 972 | FREE(normalString); |
---|
| 973 | } |
---|
| 974 | } |
---|
| 975 | fprintf(fp, "\n\ttype_states reg state;"); |
---|
| 976 | if (sel_num >1) { |
---|
| 977 | if (sel_num == 2) |
---|
| 978 | fprintf(fp, "\n\twire sel;"); |
---|
| 979 | else |
---|
| 980 | fprintf(fp, "\n\twire [0:%d] sel;", (int)(ceil(log(sel_num)))-1); |
---|
| 981 | } |
---|
| 982 | |
---|
| 983 | /*------------------------------------------------------- |
---|
| 984 | * assign sel = $ND( {0-N} ); |
---|
| 985 | * assign fair = (state==n1 || state==n2 || ... ); |
---|
| 986 | *------------------------------------------------------- |
---|
| 987 | */ |
---|
| 988 | fprintf(fp, "\n\tassign sel = $ND( {0-%d} );", sel_num-1 ); |
---|
| 989 | i = 1; |
---|
| 990 | lsForEachItem(A->Fair, lsgen, FairSet) { |
---|
| 991 | int isFirst = 1; |
---|
| 992 | fprintf(fp, "\n\tassign fair%d = (state==", i++); |
---|
| 993 | st_foreach_item(FairSet, stgen, &vtx, NIL(char *)) { |
---|
| 994 | if (isFirst) |
---|
| 995 | isFirst = 0; |
---|
| 996 | else |
---|
| 997 | fprintf(fp, "|| state=="); |
---|
| 998 | fprintf(fp, "n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
| 999 | } |
---|
| 1000 | fprintf(fp, ");"); |
---|
| 1001 | } |
---|
| 1002 | |
---|
| 1003 | /*------------------------------------------------------- |
---|
| 1004 | * initial state = Init; |
---|
| 1005 | *------------------------------------------------------- |
---|
| 1006 | */ |
---|
| 1007 | fprintf(fp, "\n\tinitial state = %s;", InitStr); |
---|
| 1008 | |
---|
| 1009 | /*------------------------------------------------------- |
---|
| 1010 | * always @ (posedge clock) begin |
---|
| 1011 | * case (state) |
---|
| 1012 | *------------------------------------------------------- |
---|
| 1013 | */ |
---|
| 1014 | fprintf(fp, "\n\talways @ (posedge clock) begin"); |
---|
| 1015 | fprintf(fp, "\n\t\tcase (state)"); |
---|
| 1016 | |
---|
| 1017 | /* for each initial state n2 with label "in1=p !in3=q...", add entry: |
---|
| 1018 | *------------------------------------------------------- |
---|
| 1019 | * Init: |
---|
| 1020 | * if( sel==0 && in1==p && !in3=q ... ) |
---|
| 1021 | * state = n2; |
---|
| 1022 | * else if( sel==1 && ...) |
---|
| 1023 | * state = n3; |
---|
| 1024 | * else |
---|
| 1025 | * state = Trap; |
---|
| 1026 | *------------------------------------------------------ |
---|
| 1027 | */ |
---|
| 1028 | if (InitIdx == -1) { |
---|
| 1029 | fprintf(fp, "\n\t\tInit:"); |
---|
| 1030 | sel_cnt = 0; |
---|
| 1031 | st_foreach_item(A->Init, stgen, &vtx, NIL(char *)) { |
---|
| 1032 | int n2 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
| 1033 | LtlSet_t *label = LtlAutomatonVertexGetLabels(vtx); |
---|
| 1034 | |
---|
| 1035 | /* universal label (no label) on n2 */ |
---|
| 1036 | if (LtlSetIsEmpty(label)) { |
---|
| 1037 | if (st_count(A->Init) == 1 || sel_num == 0) |
---|
| 1038 | fprintf(fp,"\n\t\t\tif(1) \n\t\t\t\tstate = n%d;", n2); |
---|
| 1039 | else if (sel_cnt == 0) |
---|
| 1040 | fprintf(fp,"\n\t\t\tif(sel==%d)\n\t\t\t\tstate = n%d;", |
---|
| 1041 | sel_cnt++, n2); |
---|
| 1042 | else |
---|
| 1043 | fprintf(fp, "\n\t\t\telse if(sel==%d)\n\t\t\t\tstate = n%d;", |
---|
| 1044 | sel_cnt++, n2); |
---|
| 1045 | }else { |
---|
| 1046 | /* there is at least one label on n2 */ |
---|
| 1047 | if (st_count(A->Init) == 1 || sel_num == 0) |
---|
| 1048 | fprintf(fp, "\n\t\t\tif("); |
---|
| 1049 | else if (sel_cnt==0) |
---|
| 1050 | fprintf(fp, "\n\t\t\tif(sel==%d && ", sel_cnt++); |
---|
| 1051 | else |
---|
| 1052 | fprintf(fp, "\n\t\t\telse if(sel==%d && ", sel_cnt++); |
---|
| 1053 | |
---|
| 1054 | isFirst = 1; |
---|
| 1055 | for (i=0; i<array_n(A->labelTable); i++) { |
---|
| 1056 | if (LtlSetGetElt(label, i)) { |
---|
| 1057 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
| 1058 | A->labelTable, i); |
---|
| 1059 | formulaString = Ctlsp_FormulaConvertToString(F); |
---|
| 1060 | normalString = StringNormalize(formulaString); |
---|
| 1061 | FREE(formulaString); |
---|
| 1062 | |
---|
| 1063 | if (isFirst) |
---|
| 1064 | isFirst = 0; |
---|
| 1065 | else |
---|
| 1066 | fprintf(fp, " && "); |
---|
| 1067 | |
---|
| 1068 | fprintf(fp, "%s", normalString); |
---|
| 1069 | FREE(normalString); |
---|
| 1070 | } |
---|
| 1071 | } |
---|
| 1072 | fprintf(fp, ")\n\t\t\t\tstate = n%d;", n2); |
---|
| 1073 | } |
---|
| 1074 | } |
---|
| 1075 | fprintf(fp, "\n\t\t\telse\n\t\t\t\tstate = Trap;"); |
---|
| 1076 | } |
---|
| 1077 | |
---|
| 1078 | /* for each edge (n1, n2) with n2 labelled "in1=p !in3=q...", add entry: |
---|
| 1079 | *------------------------------------------------------- |
---|
| 1080 | * n1: |
---|
| 1081 | * if( sel==0 && in1==p && !in3=q ... ) |
---|
| 1082 | * state = n2; |
---|
| 1083 | * else if( sel==1 && ...) |
---|
| 1084 | * state = n3; |
---|
| 1085 | * else |
---|
| 1086 | * state = Trap; |
---|
| 1087 | *------------------------------------------------------- |
---|
| 1088 | */ |
---|
| 1089 | foreach_vertex(A->G, lsgen, vtx) { |
---|
| 1090 | int n1 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
| 1091 | int outDegree = lsLength(g_get_out_edges(vtx)); |
---|
| 1092 | fprintf(fp, "\n\t\tn%d:", n1); |
---|
| 1093 | sel_cnt = 0; |
---|
| 1094 | foreach_out_edge(vtx, lsgen2, edge) { |
---|
| 1095 | int n2 = Ltl_AutomatonVtxGetNodeIdx(g_e_dest(edge)); |
---|
| 1096 | LtlSet_t *label = LtlAutomatonVertexGetLabels(g_e_dest(edge)); |
---|
| 1097 | |
---|
| 1098 | /* universal label (no label) on n2 */ |
---|
| 1099 | if (LtlSetIsEmpty(label)) { |
---|
| 1100 | if (outDegree == 1 || sel_num == 0) |
---|
| 1101 | fprintf(fp, "\n\t\t\tif(1) \n\t\t\t\tstate = n%d;", n2); |
---|
| 1102 | else if (sel_cnt == 0) |
---|
| 1103 | fprintf(fp, "\n\t\t\tif(sel==%d) \n\t\t\t\tstate = n%d;", |
---|
| 1104 | sel_cnt++, n2); |
---|
| 1105 | else |
---|
| 1106 | fprintf(fp, "\n\t\t\telse if(sel==%d)\n\t\t\t\tstate = n%d;", |
---|
| 1107 | sel_cnt++, n2); |
---|
| 1108 | }else { |
---|
| 1109 | /* at least 1 label on n2 */ |
---|
| 1110 | if (outDegree == 1 || sel_num == 0) |
---|
| 1111 | fprintf(fp, "\n\t\t\tif("); |
---|
| 1112 | else if (sel_cnt==0) |
---|
| 1113 | fprintf(fp, "\n\t\t\tif(sel==%d && ", sel_cnt++); |
---|
| 1114 | else |
---|
| 1115 | fprintf(fp, "\n\t\t\telse if(sel==%d && ", sel_cnt++); |
---|
| 1116 | |
---|
| 1117 | isFirst = 1; |
---|
| 1118 | for (i=0; i<array_n(A->labelTableNegate); i++) { |
---|
| 1119 | if (LtlSetGetElt(label, i)) { |
---|
| 1120 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
| 1121 | A->labelTable, i); |
---|
| 1122 | formulaString = Ctlsp_FormulaConvertToString(F); |
---|
| 1123 | normalString = StringNormalize(formulaString); |
---|
| 1124 | FREE(formulaString); |
---|
| 1125 | |
---|
| 1126 | if (isFirst) isFirst = 0; |
---|
| 1127 | else fprintf(fp, " && "); |
---|
| 1128 | |
---|
| 1129 | fprintf(fp, "%s", normalString); |
---|
| 1130 | FREE(normalString); |
---|
| 1131 | } |
---|
| 1132 | } |
---|
| 1133 | fprintf(fp, ")\n\t\t\t\tstate = n%d;", n2); |
---|
| 1134 | } |
---|
| 1135 | } |
---|
| 1136 | fprintf(fp, "\n\t\t\telse\n\t\t\t\tstate = Trap;"); |
---|
| 1137 | } |
---|
| 1138 | |
---|
| 1139 | /*------------------------------------------------------- |
---|
| 1140 | * default: state = Trap; |
---|
| 1141 | * endcase |
---|
| 1142 | * end |
---|
| 1143 | * endmodule |
---|
| 1144 | *------------------------------------------------------- |
---|
| 1145 | */ |
---|
| 1146 | fprintf(fp, "\n\t\tdefault: state = Trap;\n\t\tendcase\n\tend\nendmodule\n"); |
---|
| 1147 | |
---|
| 1148 | /* free the name array */ |
---|
| 1149 | array_free(InputNames); |
---|
| 1150 | for(i=0; i<array_n(Name2LabelIdx); i++) { |
---|
| 1151 | st_table *tmptbl = array_fetch(st_table *, Name2LabelIdx, i); |
---|
| 1152 | st_free_table(tmptbl); |
---|
| 1153 | } |
---|
| 1154 | array_free(Name2LabelIdx); |
---|
| 1155 | |
---|
| 1156 | return result; |
---|
| 1157 | } |
---|
| 1158 | |
---|
| 1159 | |
---|
| 1160 | /**Function******************************************************************** |
---|
| 1161 | |
---|
| 1162 | Synopsis [Translate the automaton to SMV file.] |
---|
| 1163 | |
---|
| 1164 | Description [The Hrc_Manager may or may not be provided. If not, the blifmv |
---|
| 1165 | file generated is not complete (inputs are assummed to be boolean.] |
---|
| 1166 | |
---|
| 1167 | SideEffects [] |
---|
| 1168 | |
---|
| 1169 | SeeAlso [] |
---|
| 1170 | |
---|
| 1171 | ******************************************************************************/ |
---|
| 1172 | int |
---|
| 1173 | Ltl_AutomatonToSmv( |
---|
| 1174 | FILE *fp, |
---|
| 1175 | Ntk_Network_t *network, |
---|
| 1176 | Ltl_Automaton_t *A) |
---|
| 1177 | { |
---|
| 1178 | return 1; |
---|
| 1179 | } |
---|
| 1180 | |
---|
| 1181 | /*---------------------------------------------------------------------------*/ |
---|
| 1182 | /* Definition of static functions */ |
---|
| 1183 | /*---------------------------------------------------------------------------*/ |
---|
| 1184 | |
---|
| 1185 | |
---|
| 1186 | /**Function******************************************************************** |
---|
| 1187 | |
---|
| 1188 | Synopsis [Return a array of all the inputnames of the automaton.] |
---|
| 1189 | |
---|
| 1190 | Description [InputNames and Name2LabelIdx are two "array_t" provided by the |
---|
| 1191 | caller. InputNames will be filled by all the labels on the automaton nodes; |
---|
| 1192 | Each item of Name2LabelIdx is a "st_table" from a label to all the related |
---|
| 1193 | formulae in A->labelTable that contains the label.] |
---|
| 1194 | |
---|
| 1195 | SideEffects [] |
---|
| 1196 | |
---|
| 1197 | ******************************************************************************/ |
---|
| 1198 | static void |
---|
| 1199 | AutomatonGetInputNames( |
---|
| 1200 | Ltl_Automaton_t *A, |
---|
| 1201 | array_t *InputNames, |
---|
| 1202 | array_t *Name2LabelIdx) |
---|
| 1203 | { |
---|
| 1204 | st_table *Visited = st_init_table(strcmp, st_strhash); |
---|
| 1205 | Ctlsp_Formula_t *F; |
---|
| 1206 | Ctlsp_FormulaType F_type; |
---|
| 1207 | long i, index, counter; |
---|
| 1208 | |
---|
| 1209 | counter = 0; |
---|
| 1210 | for (i=0; i<array_n(A->labelTable); i++) { |
---|
| 1211 | /* get the positive formula string */ |
---|
| 1212 | F = array_fetch(Ctlsp_Formula_t *, A->labelTable, i); |
---|
| 1213 | F_type = Ctlsp_FormulaReadType(F); |
---|
| 1214 | /* if it's not an AP (just a propositional formula), skip ... */ |
---|
| 1215 | if (F_type != Ctlsp_NOT_c && F_type != Ctlsp_ID_c) |
---|
| 1216 | continue; |
---|
| 1217 | if (F_type == Ctlsp_NOT_c) |
---|
| 1218 | F = Ctlsp_FormulaReadLeftChild(F); |
---|
| 1219 | /* put into the InputNames array */ |
---|
| 1220 | if (!st_lookup(Visited, Ctlsp_FormulaReadVariableName(F),&index)){ |
---|
| 1221 | st_table *tmptbl = st_init_table(st_numcmp, st_numhash); |
---|
| 1222 | st_insert(tmptbl, (char *) i, (char *)i); |
---|
| 1223 | |
---|
| 1224 | array_insert(st_table *, Name2LabelIdx, counter, tmptbl); |
---|
| 1225 | array_insert(char *, InputNames, counter, |
---|
| 1226 | Ctlsp_FormulaReadVariableName(F)); |
---|
| 1227 | |
---|
| 1228 | st_insert(Visited, Ctlsp_FormulaReadVariableName(F), (char *)counter++); |
---|
| 1229 | }else { |
---|
| 1230 | st_table *tmptbl = array_fetch(st_table *, Name2LabelIdx, index); |
---|
| 1231 | st_insert(tmptbl, (char *)i, (char *)i); |
---|
| 1232 | } |
---|
| 1233 | } |
---|
| 1234 | |
---|
| 1235 | st_free_table(Visited); |
---|
| 1236 | } |
---|
| 1237 | |
---|
| 1238 | /**Function******************************************************************** |
---|
| 1239 | |
---|
| 1240 | Synopsis [Return the upper bound number of nondeterministic selectors.] |
---|
| 1241 | |
---|
| 1242 | Description [The automaton is nondeterministic, but the blif_mv file should |
---|
| 1243 | be deterministic. Selector (variable with random output) is used to make |
---|
| 1244 | the .table determinstic. We need to know how many outputs the Selector |
---|
| 1245 | should have. Here we take the maximum out-degree among all nodes as the |
---|
| 1246 | upper bound estimation.] |
---|
| 1247 | |
---|
| 1248 | SideEffects [] |
---|
| 1249 | |
---|
| 1250 | ******************************************************************************/ |
---|
| 1251 | static int |
---|
| 1252 | AutomatonCountSelector( |
---|
| 1253 | Ltl_Automaton_t *A) |
---|
| 1254 | { |
---|
| 1255 | int sel_num = st_count(A->Init); |
---|
| 1256 | int local_num; |
---|
| 1257 | lsGen lsgen; |
---|
| 1258 | vertex_t *vtx; |
---|
| 1259 | |
---|
| 1260 | foreach_vertex(A->G, lsgen, vtx) { |
---|
| 1261 | local_num = lsLength(g_get_out_edges(vtx)); |
---|
| 1262 | if (sel_num < local_num) |
---|
| 1263 | sel_num = local_num; |
---|
| 1264 | } |
---|
| 1265 | |
---|
| 1266 | return sel_num; |
---|
| 1267 | } |
---|
| 1268 | |
---|
| 1269 | |
---|
| 1270 | /**Function******************************************************************** |
---|
| 1271 | |
---|
| 1272 | Synopsis [Determine if "Init" state is necessary.] |
---|
| 1273 | |
---|
| 1274 | Description [If there exists such a state 'ns', "Init" is not necessary: |
---|
| 1275 | (1) ns is in Aut->Init |
---|
| 1276 | (2) there is a edge from ns to every state in Aut->Init (including itself) |
---|
| 1277 | In another word, ns is equivalent to "Init". |
---|
| 1278 | (3) there is no edge fron ns to states not in Aut->Init. |
---|
| 1279 | |
---|
| 1280 | Return the index of the state 'ns' if exist, otherwise return -1. ] |
---|
| 1281 | |
---|
| 1282 | SideEffects [] |
---|
| 1283 | |
---|
| 1284 | ******************************************************************************/ |
---|
| 1285 | static int |
---|
| 1286 | AutomatonComputeInitState( |
---|
| 1287 | Ltl_Automaton_t *A) |
---|
| 1288 | { |
---|
| 1289 | int initIdx = -1; |
---|
| 1290 | vertex_t *vtx, *vtx2, *s; |
---|
| 1291 | edge_t *e; |
---|
| 1292 | st_generator *stgen, *stgen2; |
---|
| 1293 | lsGen lsgen; |
---|
| 1294 | |
---|
| 1295 | st_foreach_item(A->Init, stgen, &vtx, NIL(char *)) { |
---|
| 1296 | int isInit = 1; |
---|
| 1297 | /* first, compute the set of sucessors of 'vtx' */ |
---|
| 1298 | lsList Img = g_get_out_edges(vtx); |
---|
| 1299 | st_table *uTable = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1300 | lsForEachItem(Img, lsgen, e) { |
---|
| 1301 | s = g_e_dest(e); |
---|
| 1302 | st_insert(uTable, s, s); |
---|
| 1303 | } |
---|
| 1304 | /* then, test if it is equivalent to 'A->Init': No more, No less */ |
---|
| 1305 | st_foreach_item(A->Init, stgen2, &vtx2, NIL(char *)) { |
---|
| 1306 | if (!st_is_member(uTable, vtx2)) { |
---|
| 1307 | isInit = 0; |
---|
| 1308 | st_free_gen(stgen2); |
---|
| 1309 | break; |
---|
| 1310 | } |
---|
| 1311 | } |
---|
| 1312 | if (isInit) { |
---|
| 1313 | st_foreach_item(uTable, stgen2, &vtx2, NIL(char *)) { |
---|
| 1314 | if (!st_is_member(A->Init, vtx2)) { |
---|
| 1315 | isInit = 0; |
---|
| 1316 | st_free_gen(stgen2); |
---|
| 1317 | break; |
---|
| 1318 | } |
---|
| 1319 | } |
---|
| 1320 | } |
---|
| 1321 | st_free_table(uTable); |
---|
| 1322 | |
---|
| 1323 | if (isInit == 1) { |
---|
| 1324 | initIdx = ((Ltl_AutomatonNode_t *)vtx->user_data)->index; |
---|
| 1325 | st_free_gen(stgen); |
---|
| 1326 | break; |
---|
| 1327 | } |
---|
| 1328 | } |
---|
| 1329 | |
---|
| 1330 | return initIdx; |
---|
| 1331 | } |
---|
| 1332 | |
---|
| 1333 | /**Function******************************************************************** |
---|
| 1334 | |
---|
| 1335 | Synopsis [Given a composite label, return a list of label (each of which |
---|
| 1336 | is a cube.] |
---|
| 1337 | |
---|
| 1338 | Description [The composite label can any combination of !, + , *.] |
---|
| 1339 | |
---|
| 1340 | SideEffects [] |
---|
| 1341 | |
---|
| 1342 | ******************************************************************************/ |
---|
| 1343 | /*static lsList |
---|
| 1344 | AutomatonLabelGetCubes( |
---|
| 1345 | Ltl_Automaton_t *A, |
---|
| 1346 | LtlSet_t *compositeLabel, |
---|
| 1347 | Ntk_Network_t *network) |
---|
| 1348 | { |
---|
| 1349 | LtlTableau_t *tableau = A->tableau; |
---|
| 1350 | int size = tableau->labelIndex; |
---|
| 1351 | LtlSet_t *tempSet, *tempSet2, *tempSet3; |
---|
| 1352 | lsList conjunctList; |
---|
| 1353 | lsList disjunctList; |
---|
| 1354 | lsList tempList, tempList2, tempList3; |
---|
| 1355 | lsGen lsgen, lsgen2; |
---|
| 1356 | int i; |
---|
| 1357 | |
---|
| 1358 | if (LtlSetIsEmpty(compositeLabel)) { |
---|
| 1359 | tempList = lsCreate(); |
---|
| 1360 | lsNewEnd(tempList, (lsGeneric)LtlSetNew(size), (lsHandle *)0); |
---|
| 1361 | return tempList; |
---|
| 1362 | } |
---|
| 1363 | |
---|
| 1364 | first, get a list of disjunctLists (which should be conjoin together |
---|
| 1365 | to form a cartesian product |
---|
| 1366 | |
---|
| 1367 | conjunctList = lsCreate(); |
---|
| 1368 | tempSet = LtlSetNew(size); |
---|
| 1369 | for (i=0; i<size; i++) { |
---|
| 1370 | if (LtlSetGetElt(compositeLabel, i)) { |
---|
| 1371 | if (Ctlsp_LtlFormulaIsAtomicPropositional(tableau->labelTable[i])) |
---|
| 1372 | LtlSetSetElt(tempSet, i); |
---|
| 1373 | else { |
---|
| 1374 | disjunctList = GetCubes_Aux(A, i); |
---|
| 1375 | lsNewEnd(conjunctList, (lsGeneric)disjunctList, (lsHandle *)0); |
---|
| 1376 | } |
---|
| 1377 | } |
---|
| 1378 | } |
---|
| 1379 | if (LtlSetIsEmpty(tempSet)) |
---|
| 1380 | LtlSetFree(tempSet); |
---|
| 1381 | else { |
---|
| 1382 | disjunctList = lsCreate(); |
---|
| 1383 | lsNewEnd(disjunctList, (lsGeneric)tempSet, (lsHandle *)0); |
---|
| 1384 | lsNewBegin(conjunctList, (lsGeneric)disjunctList, (lsHandle *)0); |
---|
| 1385 | } |
---|
| 1386 | |
---|
| 1387 | |
---|
| 1388 | compute the cartesian product of the conjuncts |
---|
| 1389 | while(lsLength(conjunctList)>1) { |
---|
| 1390 | lsList thisList; |
---|
| 1391 | lsList leftList; |
---|
| 1392 | lsList rightList; |
---|
| 1393 | |
---|
| 1394 | lsDelBegin(conjunctList, (lsGeneric *)&leftList); |
---|
| 1395 | lsDelBegin(conjunctList, (lsGeneric *)&rightList); |
---|
| 1396 | form the cartesian product of the two lists |
---|
| 1397 | thisList = lsCreate(); |
---|
| 1398 | lsForEachItem(leftList, lsgen, tempSet) { |
---|
| 1399 | lsForEachItem(rightList, lsgen2, tempSet2) { |
---|
| 1400 | tempSet3 = LtlSetNew(size); |
---|
| 1401 | LtlSetOR(tempSet3, tempSet, tempSet2); |
---|
| 1402 | |
---|
| 1403 | if (0) |
---|
| 1404 | fprintf(vis_stdout, |
---|
| 1405 | "tempSet = %d tempSet2 = %d tempSet3 = %d\n", |
---|
| 1406 | LtlSetIsEmpty(tempSet), |
---|
| 1407 | LtlSetIsEmpty(tempSet2), |
---|
| 1408 | LtlSetIsEmpty(tempSet3)); |
---|
| 1409 | |
---|
| 1410 | if no contradictory, retain it |
---|
| 1411 | if (LtlSetIsContradictory(tempSet3,tableau->labelTableNegate)) |
---|
| 1412 | LtlSetFree(tempSet3); |
---|
| 1413 | else |
---|
| 1414 | lsNewEnd(thisList, (lsGeneric)tempSet3, (lsHandle *)0); |
---|
| 1415 | } |
---|
| 1416 | } |
---|
| 1417 | lsDestroy(leftList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 1418 | lsDestroy(rightList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 1419 | |
---|
| 1420 | lsNewBegin(conjunctList, (lsGeneric)thisList, (lsHandle *)0); |
---|
| 1421 | } |
---|
| 1422 | |
---|
| 1423 | lsDelBegin(conjunctList, (lsGeneric *)&tempList); |
---|
| 1424 | lsDestroy(conjunctList, (void(*)(lsGeneric))0); |
---|
| 1425 | |
---|
| 1426 | remove redundant minterms from 'tempList' |
---|
| 1427 | tempList3 = lsCreate(); |
---|
| 1428 | tempList2 = lsCopy(tempList, (lsGeneric(*)(lsGeneric))0); |
---|
| 1429 | lsForEachItem(tempList, lsgen, tempSet) { |
---|
| 1430 | If tempSet is a superset of other cubes, discard it |
---|
| 1431 | int flag = 1; |
---|
| 1432 | lsForEachItem(tempList2, lsgen2, tempSet2) { |
---|
| 1433 | if (tempSet != tempSet2 && LtlSetInclude(tempSet, tempSet2)) { |
---|
| 1434 | flag = 0; |
---|
| 1435 | lsFinish(lsgen2); |
---|
| 1436 | break; |
---|
| 1437 | } |
---|
| 1438 | } |
---|
| 1439 | if (!flag) continue; |
---|
| 1440 | If tempSet is an "emptyset" (for example, comtains both |
---|
| 1441 | signal=0 and signal=1, where signal has only these two |
---|
| 1442 | values), discard it |
---|
| 1443 | |
---|
| 1444 | flag = 1; |
---|
| 1445 | if (network != NIL(Ntk_Network_t)) { |
---|
| 1446 | Fsm_Fsm_t *fsm = Fsm_NetworkReadOrCreateFsm(network); |
---|
| 1447 | if (fsm != NIL(Fsm_Fsm_t)) { |
---|
| 1448 | mdd_t *minterm = LtlSetModelCheckFormulae(tempSet, |
---|
| 1449 | A->labelTable, |
---|
| 1450 | fsm); |
---|
| 1451 | flag = !(mdd_is_tautology(minterm, 0)); |
---|
| 1452 | mdd_free(minterm); |
---|
| 1453 | } |
---|
| 1454 | } |
---|
| 1455 | if (!flag) continue; |
---|
| 1456 | otherwise, save a copy into tempList3 |
---|
| 1457 | lsNewBegin(tempList3, (lsGeneric)LtlSetCopy(tempSet), (lsHandle *)0); |
---|
| 1458 | } |
---|
| 1459 | lsDestroy(tempList2, (void(*)(lsGeneric))0); |
---|
| 1460 | lsDestroy(tempList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 1461 | tempList = tempList3; |
---|
| 1462 | |
---|
| 1463 | return tempList; |
---|
| 1464 | } |
---|
| 1465 | */ |
---|
| 1466 | |
---|
| 1467 | /**Function******************************************************************** |
---|
| 1468 | |
---|
| 1469 | Synopsis [Given a index in A->tableau->labelTable, return a list of label |
---|
| 1470 | (each of which is a cube.] |
---|
| 1471 | |
---|
| 1472 | Description [The formula A->tableau->labelTable[index] can be any |
---|
| 1473 | combination of !, + , *.] |
---|
| 1474 | |
---|
| 1475 | SideEffects [] |
---|
| 1476 | |
---|
| 1477 | ******************************************************************************/ |
---|
| 1478 | static lsList |
---|
| 1479 | GetCubes_Aux( |
---|
| 1480 | Ltl_Automaton_t *A, |
---|
| 1481 | int index) |
---|
| 1482 | { |
---|
| 1483 | Ctlsp_Formula_t *F = A->tableau->labelTable[index]; |
---|
| 1484 | int size = A->tableau->labelIndex; |
---|
| 1485 | lsList leftList; |
---|
| 1486 | lsList rightList; |
---|
| 1487 | lsList thisList =(lsList)0; |
---|
| 1488 | lsGen lsgen, lsgen2; |
---|
| 1489 | LtlSet_t *tempSet, *tempSet2, *tempSet3; |
---|
| 1490 | |
---|
| 1491 | if (Ctlsp_LtlFormulaIsAtomicPropositional(F)) { |
---|
| 1492 | thisList = lsCreate(); |
---|
| 1493 | tempSet = LtlSetNew(size); |
---|
| 1494 | LtlSetSetElt(tempSet, Ctlsp_FormulaReadLabelIndex(F)); |
---|
| 1495 | lsNewEnd(thisList, (lsGeneric)tempSet, (lsHandle *)0); |
---|
| 1496 | }else { |
---|
| 1497 | Ctlsp_Formula_t *F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
| 1498 | Ctlsp_Formula_t *F_right = Ctlsp_FormulaReadRightChild(F); |
---|
| 1499 | |
---|
| 1500 | switch(Ctlsp_FormulaReadType(F)) { |
---|
| 1501 | case Ctlsp_OR_c: |
---|
| 1502 | leftList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_left)); |
---|
| 1503 | rightList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_right)); |
---|
| 1504 | /* merge two list together */ |
---|
| 1505 | thisList = leftList; |
---|
| 1506 | lsForEachItem(rightList, lsgen, tempSet) { |
---|
| 1507 | lsNewEnd(thisList, (lsGeneric)tempSet, (lsHandle *)0); |
---|
| 1508 | } |
---|
| 1509 | lsDestroy(rightList, (void (*)(lsGeneric))0); |
---|
| 1510 | break; |
---|
| 1511 | case Ctlsp_AND_c: |
---|
| 1512 | leftList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_left)); |
---|
| 1513 | rightList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_right)); |
---|
| 1514 | /* generate the cartesian product of the two lists */ |
---|
| 1515 | thisList = lsCreate(); |
---|
| 1516 | lsForEachItem(leftList, lsgen, tempSet) { |
---|
| 1517 | lsForEachItem(rightList, lsgen2, tempSet2) { |
---|
| 1518 | tempSet3 = LtlSetNew(size); |
---|
| 1519 | LtlSetOR(tempSet3, tempSet, tempSet2); |
---|
| 1520 | lsNewEnd(thisList, (lsGeneric)tempSet3, (lsHandle *)0); |
---|
| 1521 | } |
---|
| 1522 | } |
---|
| 1523 | lsDestroy(leftList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 1524 | lsDestroy(rightList, (void (*)(lsGeneric))LtlSetFree); |
---|
| 1525 | break; |
---|
| 1526 | default: |
---|
| 1527 | assert(0); |
---|
| 1528 | break; |
---|
| 1529 | } |
---|
| 1530 | } |
---|
| 1531 | |
---|
| 1532 | return thisList; |
---|
| 1533 | } |
---|
| 1534 | |
---|
| 1535 | |
---|
| 1536 | /**Function******************************************************************** |
---|
| 1537 | |
---|
| 1538 | Synopsis [Given a string, do the following replacement.] |
---|
| 1539 | |
---|
| 1540 | Description [ |
---|
| 1541 | = => == |
---|
| 1542 | + => || |
---|
| 1543 | * => && |
---|
| 1544 | . => _ |
---|
| 1545 | < => _ |
---|
| 1546 | > => _ ] |
---|
| 1547 | |
---|
| 1548 | SideEffects [The caller should free the result] |
---|
| 1549 | |
---|
| 1550 | ******************************************************************************/ |
---|
| 1551 | static char * |
---|
| 1552 | StringNormalize( |
---|
| 1553 | char *inputString) |
---|
| 1554 | { |
---|
| 1555 | char *normalString = ALLOC(char, strlen(inputString)*2); |
---|
| 1556 | char *from = inputString; |
---|
| 1557 | char *to = normalString; |
---|
| 1558 | |
---|
| 1559 | while( *from ) { |
---|
| 1560 | switch(*from) { |
---|
| 1561 | case '=': |
---|
| 1562 | *(to++) = '='; |
---|
| 1563 | *(to) = '='; |
---|
| 1564 | break; |
---|
| 1565 | case '+': |
---|
| 1566 | *(to++) = '|'; |
---|
| 1567 | *(to) = '|'; |
---|
| 1568 | break; |
---|
| 1569 | case '*': |
---|
| 1570 | *(to++) = '&'; |
---|
| 1571 | *(to) = '&'; |
---|
| 1572 | break; |
---|
| 1573 | case '.': |
---|
| 1574 | case '<': |
---|
| 1575 | case '>': |
---|
| 1576 | *(to) = '_'; |
---|
| 1577 | break; |
---|
| 1578 | default: |
---|
| 1579 | *(to) = *from; |
---|
| 1580 | } |
---|
| 1581 | from++; |
---|
| 1582 | to++; |
---|
| 1583 | } |
---|
| 1584 | *to = '\0'; |
---|
| 1585 | |
---|
| 1586 | return normalString; |
---|
| 1587 | } |
---|
| 1588 | |
---|
| 1589 | /**Function******************************************************************** |
---|
| 1590 | |
---|
| 1591 | Synopsis [Create the "label" signal in blif_mv format and print out.] |
---|
| 1592 | |
---|
| 1593 | Description [Assume that the label is a propositional formula with *, +, !. |
---|
| 1594 | * |
---|
| 1595 | * For Ctlsp_ID_c/Ctlsp_NOT_c: |
---|
| 1596 | * .table in1 n1_##_label$AUT |
---|
| 1597 | * !(RED) 1 |
---|
| 1598 | * For Ctlsp_AND_c: |
---|
| 1599 | * .table n1_#1_label$AUT n1_#2_label$AUT n1_##_label$AUT |
---|
| 1600 | * 1 1 1 |
---|
| 1601 | * For Ctlsp_OR_c: |
---|
| 1602 | * .table n1_#1_label$AUT n1_#2_label$AUT n1_##_label$AUT |
---|
| 1603 | * 1 - 1 |
---|
| 1604 | * - 1 1 |
---|
| 1605 | ] |
---|
| 1606 | |
---|
| 1607 | SideEffects [] |
---|
| 1608 | |
---|
| 1609 | ******************************************************************************/ |
---|
| 1610 | static void |
---|
| 1611 | AutomatonVtxLabelToBlifMv( |
---|
| 1612 | FILE *fp, |
---|
| 1613 | Ltl_Automaton_t *A, |
---|
| 1614 | vertex_t *vtx) |
---|
| 1615 | { |
---|
| 1616 | /* each 'compLabel' is a "propositional formulae" */ |
---|
| 1617 | LtlSet_t *compositeLabel = LtlAutomatonVertexGetLabels(vtx); |
---|
| 1618 | int idx = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
| 1619 | int size = A->tableau->labelIndex; |
---|
| 1620 | int i; |
---|
| 1621 | st_table *CreatedSignals; |
---|
| 1622 | |
---|
| 1623 | if (LtlSetIsEmpty(compositeLabel)) { |
---|
| 1624 | fprintf(fp, "\n.table n%d_label$AUT\n1\n", idx); |
---|
| 1625 | return; |
---|
| 1626 | } |
---|
| 1627 | |
---|
| 1628 | /* first, we should create the signals for each subformula */ |
---|
| 1629 | CreatedSignals = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1630 | for (i=0; i<size; i++) { |
---|
| 1631 | if (LtlSetGetElt(compositeLabel, i)) |
---|
| 1632 | VtxLabelToBlifMv_Aux(fp, A, idx, i, CreatedSignals); |
---|
| 1633 | } |
---|
| 1634 | st_free_table(CreatedSignals); |
---|
| 1635 | |
---|
| 1636 | /* the label signal is the AND or all the conjuncts */ |
---|
| 1637 | fprintf(fp, "\n.table "); |
---|
| 1638 | for (i=0; i<size; i++) { |
---|
| 1639 | if (LtlSetGetElt(compositeLabel, i)) |
---|
| 1640 | fprintf(fp, "n%d_%d_label$AUT ", idx, i); |
---|
| 1641 | } |
---|
| 1642 | fprintf(fp, " -> n%d_label$AUT\n.default 0\n", idx); |
---|
| 1643 | for (i=0; i<size; i++) { |
---|
| 1644 | if (LtlSetGetElt(compositeLabel, i)) |
---|
| 1645 | fprintf(fp, "1 "); |
---|
| 1646 | } |
---|
| 1647 | fprintf(fp, "1\n"); |
---|
| 1648 | |
---|
| 1649 | } |
---|
| 1650 | |
---|
| 1651 | /**Function******************************************************************** |
---|
| 1652 | |
---|
| 1653 | Synopsis [Create the "label" signal in blif_mv format and print out.] |
---|
| 1654 | |
---|
| 1655 | Description [Assume that "i" is the index in the label table] |
---|
| 1656 | |
---|
| 1657 | SideEffects [] |
---|
| 1658 | |
---|
| 1659 | ******************************************************************************/ |
---|
| 1660 | static void |
---|
| 1661 | VtxLabelToBlifMv_Aux( |
---|
| 1662 | FILE *fp, |
---|
| 1663 | Ltl_Automaton_t *A, |
---|
| 1664 | int node_idx, |
---|
| 1665 | int index, |
---|
| 1666 | st_table *CreatedSignals) |
---|
| 1667 | { |
---|
| 1668 | Ctlsp_Formula_t *F = A->tableau->labelTable[index]; |
---|
| 1669 | Ctlsp_Formula_t *F_left, *F_right; |
---|
| 1670 | int l_index, r_index; |
---|
| 1671 | |
---|
| 1672 | if (st_is_member(CreatedSignals, F)) |
---|
| 1673 | return; |
---|
| 1674 | else |
---|
| 1675 | st_insert(CreatedSignals, F, (char *)0); |
---|
| 1676 | |
---|
| 1677 | switch(Ctlsp_FormulaReadType(F)) { |
---|
| 1678 | case Ctlsp_ID_c: |
---|
| 1679 | fprintf(fp, "\n.table %s -> n%d_%d_label$AUT\n.default 0\n%s 1", |
---|
| 1680 | (char *)Ctlsp_FormulaReadVariableName(F), |
---|
| 1681 | node_idx, index, |
---|
| 1682 | (char *)Ctlsp_FormulaReadValueName(F)); |
---|
| 1683 | break; |
---|
| 1684 | case Ctlsp_NOT_c: |
---|
| 1685 | F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
| 1686 | fprintf(fp, "\n.table %s -> n%d_%d_label$AUT\n.default 1\n%s 0", |
---|
| 1687 | (char *)Ctlsp_FormulaReadVariableName(F_left), |
---|
| 1688 | node_idx, index, |
---|
| 1689 | (char *)Ctlsp_FormulaReadValueName(F_left)); |
---|
| 1690 | break; |
---|
| 1691 | case Ctlsp_AND_c: |
---|
| 1692 | F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
| 1693 | F_right = Ctlsp_FormulaReadRightChild(F); |
---|
| 1694 | l_index = Ctlsp_FormulaReadLabelIndex(F_left); |
---|
| 1695 | r_index = Ctlsp_FormulaReadLabelIndex(F_right); |
---|
| 1696 | VtxLabelToBlifMv_Aux(fp, A, node_idx, l_index, CreatedSignals); |
---|
| 1697 | VtxLabelToBlifMv_Aux(fp, A, node_idx, r_index, CreatedSignals); |
---|
| 1698 | fprintf(fp,"\n.table n%d_%d_label$AUT n%d_%d_label$AUT -> n%d_%d_label$AUT\n.default 0\n1 1 1", |
---|
| 1699 | node_idx, l_index, |
---|
| 1700 | node_idx, r_index, |
---|
| 1701 | node_idx, index); |
---|
| 1702 | break; |
---|
| 1703 | case Ctlsp_OR_c: |
---|
| 1704 | F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
| 1705 | F_right = Ctlsp_FormulaReadRightChild(F); |
---|
| 1706 | l_index = Ctlsp_FormulaReadLabelIndex(F_left); |
---|
| 1707 | r_index = Ctlsp_FormulaReadLabelIndex(F_right); |
---|
| 1708 | VtxLabelToBlifMv_Aux(fp, A, node_idx, l_index, CreatedSignals); |
---|
| 1709 | VtxLabelToBlifMv_Aux(fp, A, node_idx, r_index, CreatedSignals); |
---|
| 1710 | fprintf(fp, |
---|
| 1711 | "\n.table n%d_%d_label$AUT n%d_%d_label$AUT -> n%d_%d_label$AUT\n.default 0\n1 - 1\n- 1 1", |
---|
| 1712 | node_idx, l_index, |
---|
| 1713 | node_idx, r_index, |
---|
| 1714 | node_idx, index); |
---|
| 1715 | break; |
---|
| 1716 | default: |
---|
| 1717 | fail("unkown formula type"); |
---|
| 1718 | } |
---|
| 1719 | } |
---|
| 1720 | |
---|
| 1721 | |
---|
| 1722 | |
---|