| 1 | /**CFile*********************************************************************** |
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| 2 | |
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| 3 | FileName [grabBMC.c] |
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| 4 | |
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| 5 | PackageName [grab] |
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| 6 | |
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| 7 | Synopsis [Check abstract paths on a more concrete model using SAT.] |
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| 8 | |
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| 9 | Description [Abstract paths are given in an array of MDDs, which |
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| 10 | capture multiple abstract paths at the same time. MDDs are encoded |
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| 11 | as AIG graph to allow the check in the more concrete model.] |
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| 12 | |
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| 13 | Author [Chao Wang] |
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| 14 | |
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| 15 | Copyright [Copyright (c) 2004 The Regents of the Univ. of Colorado. |
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| 16 | All rights reserved. |
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| 17 | |
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| 18 | Permission is hereby granted, without written agreement and without |
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| 19 | license or royalty fees, to use, copy, modify, and distribute this |
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| 20 | software and its documentation for any purpose, provided that the |
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| 21 | above copyright notice and the following two paragraphs appear in |
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| 22 | all copies of this software.] |
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| 23 | |
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| 24 | ******************************************************************************/ |
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| 25 | |
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| 26 | #include "grabInt.h" |
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| 27 | #include "bmcInt.h" |
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| 28 | |
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| 29 | /*---------------------------------------------------------------------------*/ |
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| 30 | /* Constant declarations */ |
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| 31 | /*---------------------------------------------------------------------------*/ |
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| 32 | |
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| 33 | /*---------------------------------------------------------------------------*/ |
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| 34 | /* Structure declarations */ |
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| 35 | /*---------------------------------------------------------------------------*/ |
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| 36 | |
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| 37 | /*---------------------------------------------------------------------------*/ |
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| 38 | /* Type declarations */ |
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| 39 | /*---------------------------------------------------------------------------*/ |
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| 40 | |
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| 41 | /*---------------------------------------------------------------------------*/ |
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| 42 | /* Variable declarations */ |
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| 43 | /*---------------------------------------------------------------------------*/ |
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| 44 | |
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| 45 | /*---------------------------------------------------------------------------*/ |
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| 46 | /* Macro declarations */ |
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| 47 | /*---------------------------------------------------------------------------*/ |
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| 48 | |
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| 49 | /**AutomaticStart*************************************************************/ |
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| 50 | |
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| 51 | /*---------------------------------------------------------------------------*/ |
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| 52 | /* Static function prototypes */ |
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| 53 | /*---------------------------------------------------------------------------*/ |
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| 54 | |
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| 55 | static bAigEdge_t GrabConvertBddToBaig(bAig_Manager_t *bAigManager, bdd_t *fn, st_table *bddidToNames); |
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| 56 | static st_table * GrabBddGetSupportBaigNames(mdd_manager *mddManager, mdd_t *f); |
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| 57 | static char * GrabBddIdToBaigNames(mdd_manager *mddManager, int bddid); |
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| 58 | |
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| 59 | /**AutomaticEnd***************************************************************/ |
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| 60 | |
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| 61 | /*---------------------------------------------------------------------------*/ |
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| 62 | /* Definition of exported functions */ |
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| 63 | /*---------------------------------------------------------------------------*/ |
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| 64 | |
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| 65 | /**Function******************************************************************** |
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| 66 | |
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| 67 | Synopsis [Check if the abstract paths exist in the model.] |
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| 68 | |
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| 69 | Description [Check if the abstract paths exist in the model. The |
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| 70 | paths are given as set of onion rings, where each ring is a set of |
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| 71 | states. The model is defined by the set of latches in absLatches.] |
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| 72 | |
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| 73 | SideEffects [] |
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| 74 | |
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| 75 | ******************************************************************************/ |
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| 76 | boolean |
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| 77 | Bmc_AbstractCheckAbstractTraces( |
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| 78 | Ntk_Network_t *network, |
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| 79 | array_t *synOnionRings, |
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| 80 | st_table *absLatches, |
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| 81 | int verbose, |
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| 82 | int dbgLevel, |
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| 83 | int printInputs) |
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| 84 | { |
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| 85 | int pathLength = array_n(synOnionRings) -1; |
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| 86 | mAig_Manager_t *maigManager = Ntk_NetworkReadMAigManager(network); |
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| 87 | st_table *nodeToMvfAigTable = NIL(st_table); |
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| 88 | BmcCnfClauses_t *cnfClauses; |
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| 89 | FILE *cnfFile; |
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| 90 | BmcOption_t *options; |
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| 91 | array_t *result; |
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| 92 | int i; |
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| 93 | boolean CexExit = FALSE; |
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| 94 | |
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| 95 | nodeToMvfAigTable = |
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| 96 | (st_table *) Ntk_NetworkReadApplInfo(network, MVFAIG_NETWORK_APPL_KEY); |
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| 97 | if (nodeToMvfAigTable == NIL(st_table)){ |
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| 98 | fprintf(vis_stderr, |
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| 99 | "** bmc error: please run buid_partiton_maigs first\n"); |
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| 100 | return CexExit; |
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| 101 | } |
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| 102 | |
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| 103 | options = BmcOptionAlloc(); |
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| 104 | if (verbose) { |
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| 105 | options->dbgLevel = dbgLevel; |
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| 106 | options->printInputs = printInputs; |
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| 107 | } |
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| 108 | options->satInFile = BmcCreateTmpFile(); |
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| 109 | if (options->satInFile == NIL(char)){ |
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| 110 | BmcOptionFree(options); |
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| 111 | return CexExit; |
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| 112 | } |
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| 113 | |
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| 114 | /* create SAT Solver output file */ |
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| 115 | options->satOutFile = BmcCreateTmpFile(); |
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| 116 | if (options->satOutFile == NIL(char)){ |
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| 117 | BmcOptionFree(options); |
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| 118 | fprintf(vis_stderr, "** bmc error: Cannot allocate a temp file name\n"); |
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| 119 | return CexExit; |
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| 120 | } |
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| 121 | cnfFile = Cmd_FileOpen(options->satInFile, "w", NIL(char *), 0); |
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| 122 | if (cnfFile == NIL(FILE)) { |
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| 123 | BmcOptionFree(options); |
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| 124 | fprintf(vis_stderr, "** bmc error: Cannot create CNF output file %s\n", |
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| 125 | options->satInFile); |
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| 126 | return CexExit; |
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| 127 | } |
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| 128 | |
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| 129 | /* Unroll the model exactly 'pathLength' time frames |
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| 130 | */ |
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| 131 | cnfClauses = BmcCnfClausesAlloc(); |
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| 132 | BmcCnfGenerateClausesForPath(network, 0, pathLength, BMC_INITIAL_STATES, |
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| 133 | cnfClauses, nodeToMvfAigTable, absLatches); |
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| 134 | |
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| 135 | /* Generate the constraints from the abstract paths |
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| 136 | * (1) build a bAigEdge_t (graph) for each ring |
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| 137 | * (2) add all the cnf clauses that describe this graph |
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| 138 | * (3) make the output bAigEdge_t equals to 1 |
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| 139 | */ |
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| 140 | { |
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| 141 | bAigEdge_t bAigState; |
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| 142 | mdd_manager *mddManager = Ntk_NetworkReadMddManager(network); |
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| 143 | array_t *clause = array_alloc(int, 1); |
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| 144 | mdd_t *ring; |
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| 145 | |
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| 146 | arrayForEachItem(mdd_t *, synOnionRings, i, ring) { |
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| 147 | st_table *bddidTobAigNames; |
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| 148 | bddidTobAigNames = GrabBddGetSupportBaigNames(mddManager, ring); |
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| 149 | bAigState = GrabConvertBddToBaig(maigManager, ring, bddidTobAigNames); |
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| 150 | { |
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| 151 | st_generator *stgen; |
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| 152 | long tmpId; |
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| 153 | char *tmpStr; |
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| 154 | st_foreach_item(bddidTobAigNames, stgen, &tmpId, &tmpStr) { |
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| 155 | FREE(tmpStr); |
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| 156 | } |
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| 157 | st_free_table(bddidTobAigNames); |
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| 158 | } |
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| 159 | array_insert(int, clause, 0, BmcGenerateCnfFormulaForAigFunction( |
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| 160 | maigManager, bAigState, i, cnfClauses)); |
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| 161 | BmcCnfInsertClause(cnfClauses, clause); |
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| 162 | } |
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| 163 | |
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| 164 | array_free(clause); |
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| 165 | } |
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| 166 | |
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| 167 | /* Call the SAT solver |
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| 168 | */ |
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| 169 | BmcWriteClauses(maigManager, cnfFile, cnfClauses, options); |
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| 170 | fclose(cnfFile); |
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| 171 | result = BmcCheckSAT(options); |
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| 172 | if(result != NIL(array_t)){ |
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| 173 | if (verbose >= 1 && dbgLevel ==1) { |
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| 174 | fprintf(vis_stdout,"Found Counterexample of length = %d\n", pathLength); |
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| 175 | BmcPrintCounterExample(network, nodeToMvfAigTable, cnfClauses, |
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| 176 | result, pathLength+1, absLatches, options, |
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| 177 | NIL(array_t)); |
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| 178 | } |
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| 179 | if (verbose >=1 && dbgLevel == 2) { |
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| 180 | BmcPrintCounterExampleAiger(network, nodeToMvfAigTable, cnfClauses, |
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| 181 | result, pathLength+1, absLatches, options, |
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| 182 | NIL(array_t)); |
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| 183 | } |
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| 184 | CexExit = TRUE; |
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| 185 | } |
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| 186 | |
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| 187 | /* free all used memories */ |
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| 188 | BmcCnfClausesFree(cnfClauses); |
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| 189 | array_free(result); |
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| 190 | BmcOptionFree(options); |
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| 191 | |
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| 192 | return CexExit; |
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| 193 | } |
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| 194 | |
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| 195 | |
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| 196 | /**Function******************************************************************** |
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| 197 | |
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| 198 | Synopsis [Check if the abstract paths exist in the fine-grain model.] |
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| 199 | |
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| 200 | Description [Check if the abstract paths exist in the fine-grain |
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| 201 | model. The paths are given as set of onion rings, where each ring is |
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| 202 | a set of states. The model is defined by the set of latches |
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| 203 | (absLatches) and bnvs (absBnvs). The entire set of bnvs of the |
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| 204 | network are stored in the table coiBnvTable. |
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| 205 | |
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| 206 | This procedure first build a NEW maig graph (for the fine-grain |
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| 207 | model), then check if the abstract paths exist in the model. |
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| 208 | |
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| 209 | Before it returns, the previous maig graph is restored.] |
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| 210 | |
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| 211 | SideEffects [] |
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| 212 | |
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| 213 | ******************************************************************************/ |
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| 214 | boolean |
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| 215 | Bmc_AbstractCheckAbstractTracesWithFineGrain( |
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| 216 | Ntk_Network_t *network, |
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| 217 | st_table *coiBnvTable, |
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| 218 | array_t *synOnionRings, |
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| 219 | st_table *absLatches, |
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| 220 | st_table *absBnvs) |
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| 221 | { |
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| 222 | boolean result; |
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| 223 | mAigManagerState_t oldMaigState; /* to store the previous AIG */ |
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| 224 | mAig_Manager_t *maigManager; |
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| 225 | lsGen lsgen; |
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| 226 | Ntk_Node_t *node; |
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| 227 | int mAigId; |
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| 228 | int i; |
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| 229 | st_generator *stgen; |
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| 230 | st_table *leaves; |
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| 231 | array_t *roots, *combInputs; |
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| 232 | |
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| 233 | /* save the existing maigManager */ |
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| 234 | oldMaigState.manager = Ntk_NetworkReadMAigManager(network); |
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| 235 | oldMaigState.nodeToMvfAigTable = |
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| 236 | (st_table *) Ntk_NetworkReadApplInfo(network, MVFAIG_NETWORK_APPL_KEY); |
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| 237 | oldMaigState.nodeToMAigIdTable = st_init_table(st_ptrcmp, st_ptrhash); |
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| 238 | Ntk_NetworkForEachNode(network, lsgen, node) { |
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| 239 | mAigId = Ntk_NodeReadMAigId(node); |
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| 240 | st_insert(oldMaigState.nodeToMAigIdTable, node, (char *)(long)mAigId); |
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| 241 | Ntk_NodeSetMAigId(node, ntmaig_UNUSED); |
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| 242 | } |
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| 243 | |
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| 244 | /* create a new maigManager */ |
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| 245 | maigManager = mAig_initAig(); |
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| 246 | Ntk_NetworkSetMAigManager(network, maigManager); |
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| 247 | Ntk_NetworkSetApplInfo(network, MVFAIG_NETWORK_APPL_KEY, |
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| 248 | (Ntk_ApplInfoFreeFn) ntmAig_MvfAigTableFreeCallback, |
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| 249 | (void *) st_init_table(st_ptrcmp, st_ptrhash)); |
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| 250 | |
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| 251 | /* roots are the visible latches, and the visible bnvs (some bnvs |
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| 252 | * may not be in the transitive fan-in cone of the visible latches |
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| 253 | */ |
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| 254 | roots = array_alloc(Ntk_Node_t *, 0); |
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| 255 | st_foreach_item(absLatches, stgen, &node, NIL(char *)) { |
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| 256 | array_insert_last(Ntk_Node_t *, roots, Ntk_LatchReadDataInput(node)); |
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| 257 | array_insert_last(Ntk_Node_t *, roots, Ntk_LatchReadInitialInput(node)); |
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| 258 | } |
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| 259 | st_foreach_item(absBnvs, stgen, &node, NIL(char *)) { |
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| 260 | array_insert_last(Ntk_Node_t *, roots, node); |
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| 261 | } |
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| 262 | |
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| 263 | combInputs = Ntk_NodeComputeTransitiveFaninNodes(network, roots, |
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| 264 | TRUE, /* stopAtLatches */ |
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| 265 | FALSE /* combInputsOnly*/ |
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| 266 | ); |
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| 267 | |
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| 268 | /* leaves are the combinational inputs or the invisible bnvs */ |
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| 269 | leaves = st_init_table(st_ptrcmp, st_ptrhash); |
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| 270 | arrayForEachItem(Ntk_Node_t *, combInputs, i, node) { |
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| 271 | if ( Ntk_NodeTestIsCombInput(node) || |
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| 272 | ( st_is_member(coiBnvTable, node) && |
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| 273 | !st_is_member(absBnvs, node) ) ) { |
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| 274 | st_insert(leaves, node, (char *) ntmaig_UNUSED); |
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| 275 | Ntk_NodeSetMAigId(node, mAig_CreateVar(maigManager, |
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| 276 | Ntk_NodeReadName(node), |
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| 277 | Var_VariableReadNumValues(Ntk_NodeReadVariable(node)))); |
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| 278 | } |
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| 279 | } |
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| 280 | st_foreach_item(absLatches, stgen, &node, NIL(char *)) { |
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| 281 | if (!st_is_member(leaves, node)) { |
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| 282 | st_insert(leaves, node, (char *) ntmaig_UNUSED); |
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| 283 | Ntk_NodeSetMAigId(node, mAig_CreateVar(maigManager, |
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| 284 | Ntk_NodeReadName(node), |
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| 285 | Var_VariableReadNumValues(Ntk_NodeReadVariable(node)))); |
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| 286 | } |
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| 287 | } |
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| 288 | array_free(combInputs); |
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| 289 | |
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| 290 | #if 1 |
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| 291 | /* THIS SEEMS UNNECESSARY---IT'S HERE TO AVOID ERRORS IN CALLING |
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| 292 | * ntmaig_NetworkBuildMvfAigs() |
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| 293 | */ |
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| 294 | Ntk_NetworkForEachCombInput(network, lsgen, node) { |
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| 295 | if (Ntk_NodeReadMAigId(node) == NTK_UNASSIGNED_MAIG_ID) { |
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| 296 | Ntk_NodeSetMAigId(node, mAig_CreateVar(maigManager, |
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| 297 | Ntk_NodeReadName(node), |
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| 298 | Var_VariableReadNumValues(Ntk_NodeReadVariable(node)))); |
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| 299 | } |
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| 300 | } |
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| 301 | #endif |
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| 302 | |
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| 303 | /* build the new AIG graph */ |
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| 304 | ntmaig_NetworkBuildMvfAigs(network, roots, leaves); |
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| 305 | |
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| 306 | array_free(roots); |
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| 307 | st_free_table(leaves); |
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| 308 | |
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| 309 | |
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| 310 | /* check the existence of the abstract path on the new AIG graph */ |
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| 311 | result = Bmc_AbstractCheckAbstractTraces(network, |
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| 312 | synOnionRings, |
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| 313 | absLatches, |
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| 314 | 0, 0, 0); |
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| 315 | |
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| 316 | /* restore the previous maigManager */ |
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| 317 | mAig_quit(maigManager); |
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| 318 | Ntk_NetworkFreeApplInfo(network, MVFAIG_NETWORK_APPL_KEY); |
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| 319 | Ntk_NetworkSetMAigManager(network, oldMaigState.manager); |
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| 320 | Ntk_NetworkSetApplInfo(network, MVFAIG_NETWORK_APPL_KEY, |
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| 321 | (Ntk_ApplInfoFreeFn) ntmAig_MvfAigTableFreeCallback, |
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| 322 | (void *) oldMaigState.nodeToMvfAigTable); |
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| 323 | st_foreach_item(oldMaigState.nodeToMAigIdTable, stgen, &node, |
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| 324 | &mAigId) { |
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| 325 | Ntk_NodeSetMAigId(node, mAigId); |
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| 326 | } |
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| 327 | st_free_table(oldMaigState.nodeToMAigIdTable); |
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| 328 | |
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| 329 | return result; |
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| 330 | } |
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| 331 | |
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| 332 | /*---------------------------------------------------------------------------*/ |
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| 333 | /* Definition of static functions */ |
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| 334 | /*---------------------------------------------------------------------------*/ |
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| 335 | |
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| 336 | /**Function******************************************************************** |
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| 337 | |
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| 338 | Synopsis [Build the binary Aig for a given bdd] |
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| 339 | |
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| 340 | SideEffects [Build the binary Aig for a given bdd. We assume that |
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| 341 | the return bdd nodes from the foreach_bdd_node are in the order from |
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| 342 | childeren to parent. i.e all the childeren nodes are returned before |
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| 343 | the parent node. |
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| 344 | |
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| 345 | bddidToNames is a hash table from bddid to its bAigEdge_t name. If |
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| 346 | provided, this table should contain entiries for all the bddid in |
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| 347 | the support.] |
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| 348 | |
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| 349 | SideEffects [] |
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| 350 | |
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| 351 | SeeAlso [] |
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| 352 | |
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| 353 | ******************************************************************************/ |
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| 354 | static bAigEdge_t |
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| 355 | GrabConvertBddToBaig( |
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| 356 | bAig_Manager_t *bAigManager, |
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| 357 | bdd_t *fn, |
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| 358 | st_table *bddidToNames) |
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| 359 | { |
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| 360 | bdd_gen *gen; |
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| 361 | bdd_node *node, *thenNode, *elseNode, *funcNode; |
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| 362 | bdd_manager *bddManager = bdd_get_manager(fn); |
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| 363 | bdd_node *one = bdd_read_one(bddManager); |
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| 364 | /*bdd_node *zero = bdd_read_logic_zero(bddManager);*/ |
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| 365 | int is_complemented; |
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| 366 | int flag; |
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| 367 | bAigEdge_t var, left, right, result; |
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| 368 | char *name; |
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| 369 | st_table *bddTObaigTable; |
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| 370 | |
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| 371 | bddTObaigTable = st_init_table(st_numcmp, st_numhash); |
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| 372 | |
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| 373 | if (fn == NULL){ |
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| 374 | return bAig_NULL; |
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| 375 | } |
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| 376 | |
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| 377 | st_insert(bddTObaigTable, (char *) (long) bdd_regular(one), |
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| 378 | (char *) bAig_One); |
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| 379 | |
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| 380 | funcNode = bdd_get_node(fn, &is_complemented); |
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| 381 | |
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| 382 | if (bdd_is_constant(funcNode)){ |
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| 383 | flag = st_lookup(bddTObaigTable, |
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| 384 | (char *) (long) (funcNode), |
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| 385 | &result); |
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| 386 | assert(flag); |
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| 387 | st_free_table(bddTObaigTable); |
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| 388 | |
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| 389 | if (is_complemented) |
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| 390 | return bAig_Not(result); |
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| 391 | else |
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| 392 | return result; |
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| 393 | } |
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| 394 | |
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| 395 | foreach_bdd_node(fn, gen, node){ |
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| 396 | /* if the node has been processed, skip it. (the constant ONE |
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| 397 | * should be the only node falls into this category). |
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| 398 | */ |
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| 399 | if (st_is_member(bddTObaigTable, (char *) (long) bdd_regular(node))) |
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| 400 | continue; |
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| 401 | |
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| 402 | /* bdd_node_read_index() return the current level's bddId */ |
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| 403 | if (bddidToNames) { |
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| 404 | flag = st_lookup(bddidToNames, (char *)(long)bdd_node_read_index(node), |
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| 405 | &name); |
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| 406 | assert(flag); |
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| 407 | name = util_strsav(name); |
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| 408 | }else { |
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| 409 | char tempString[1024]; |
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| 410 | sprintf(tempString, "BDD%d", bdd_node_read_index(node)); |
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| 411 | name = util_strsav(tempString); |
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| 412 | } |
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| 413 | |
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| 414 | /* Create or Retrieve the bAigEdge_t w.r.t. 'name' */ |
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| 415 | var = bAig_CreateVarNode(bAigManager, name); |
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| 416 | FREE(name); |
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| 417 | |
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| 418 | thenNode = bdd_bdd_T(node); |
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| 419 | flag = st_lookup(bddTObaigTable, (char *) (long) bdd_regular(thenNode), |
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| 420 | &left); |
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| 421 | assert(flag); |
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| 422 | |
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| 423 | elseNode = bdd_bdd_E(node); |
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| 424 | flag = st_lookup(bddTObaigTable, (char *) (long) bdd_regular(elseNode), |
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| 425 | &right); |
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| 426 | assert(flag); |
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| 427 | |
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| 428 | /* should we test here whether elseNode is complemented arc? */ |
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| 429 | if (bdd_is_complement(elseNode)) |
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| 430 | right = bAig_Not(right); |
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| 431 | |
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| 432 | result = bAig_Or(bAigManager, bAig_And(bAigManager, var, left), |
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| 433 | bAig_And(bAigManager, bAig_Not(var), right)); |
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| 434 | st_insert(bddTObaigTable, (char *) (long) bdd_regular(node), |
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| 435 | (char *) (long) result); |
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| 436 | } |
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| 437 | flag = st_lookup(bddTObaigTable, (char *) (long) bdd_regular(funcNode), |
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| 438 | &result); |
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| 439 | assert(flag); |
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| 440 | st_free_table(bddTObaigTable); |
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| 441 | |
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| 442 | if (is_complemented){ |
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| 443 | return bAig_Not(result); |
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| 444 | } else { |
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| 445 | return result; |
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| 446 | } |
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| 447 | } /* end of bAig_bddtobAig() */ |
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| 448 | |
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| 449 | |
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| 450 | /**Function******************************************************************** |
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| 451 | |
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| 452 | Synopsis [Get a (bddId,baigName) table for the supporting variableS.] |
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| 453 | |
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| 454 | SideEffects [Get a (bddId,baigName) table for the supporting |
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| 455 | variableS. The caller should free the returned table as well as the |
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| 456 | (char *) of its value field.] |
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| 457 | |
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| 458 | SeeAlso [] |
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| 459 | |
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| 460 | ******************************************************************************/ |
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| 461 | static st_table * |
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| 462 | GrabBddGetSupportBaigNames( |
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| 463 | mdd_manager *mddManager, |
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| 464 | mdd_t *f) |
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| 465 | { |
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| 466 | int numOfVars = bdd_num_vars(mddManager); |
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| 467 | st_table *bddidTObaigNames = st_init_table(st_numcmp, st_numhash); |
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| 468 | var_set_t *vset; |
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| 469 | int i; |
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| 470 | |
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| 471 | vset = bdd_get_support(f); |
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| 472 | for (i=0; i<numOfVars; i++) { |
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| 473 | if (var_set_get_elt(vset, i) == 1) { |
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| 474 | st_insert(bddidTObaigNames, (char *)(long)i, |
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| 475 | GrabBddIdToBaigNames(mddManager, i)); |
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| 476 | } |
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| 477 | } |
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| 478 | var_set_free(vset); |
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| 479 | |
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| 480 | return bddidTObaigNames; |
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| 481 | } |
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| 482 | |
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| 483 | /**Function******************************************************************** |
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| 484 | |
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| 485 | Synopsis [return the baigName of a bddid] |
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| 486 | |
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| 487 | SideEffects [The caller should free the returned char *. This |
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| 488 | function is based on the assumption that MDD and MAIG shares the |
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| 489 | same naming convention (which is true in VIS).] |
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| 490 | |
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| 491 | SeeAlso [] |
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| 492 | |
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| 493 | ******************************************************************************/ |
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| 494 | static char * |
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| 495 | GrabBddIdToBaigNames( |
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| 496 | mdd_manager *mddManager, |
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| 497 | int bddid) |
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| 498 | { |
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| 499 | array_t *mvar_list = mdd_ret_mvar_list(mddManager); |
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| 500 | array_t *bvar_list = mdd_ret_bvar_list(mddManager); |
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| 501 | bvar_type bv; |
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| 502 | mvar_type mv; |
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| 503 | int mddid, index, id; |
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| 504 | char *nodeName; |
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| 505 | char baigName[1024]; |
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| 506 | |
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| 507 | /* 1. from bddid, get mddid and the index of this bddid in the mddid |
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| 508 | */ |
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| 509 | bv = array_fetch(bvar_type, bvar_list, bddid); |
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| 510 | mddid = bv.mvar_id; |
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| 511 | mv = array_fetch(mvar_type, mvar_list, mddid); |
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| 512 | arrayForEachItem(int, mv.bvars, index, id) { |
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| 513 | if (id == bddid) |
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| 514 | break; |
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| 515 | } |
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| 516 | assert(index <= mv.encode_length -1); |
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| 517 | |
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| 518 | /* 2. assumptions: (1) mv.name = nodeName, |
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| 519 | * (2) index is the same for MDD and MAIG |
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| 520 | */ |
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| 521 | nodeName = mv.name; |
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| 522 | |
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| 523 | /* 3. the baigEdge_t's name is ("%s_%d",nodeName,index) |
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| 524 | */ |
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| 525 | sprintf(baigName, "%s_%d", nodeName, index); |
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| 526 | |
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| 527 | return util_strsav(baigName); |
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| 528 | } |
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| 529 | |
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| 530 | |
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| 531 | |
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| 532 | |
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| 533 | |
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| 534 | |
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