[15] | 1 | #include "utilities.h" |
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| 2 | /*---------------------------------------------------------------------------*/ |
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| 3 | /* Read_blif_mv */ |
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| 4 | /*---------------------------------------------------------------------------*/ |
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| 5 | Hrc_Manager_t * rlmv(FILE * file) |
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| 6 | { |
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| 7 | return Io_BlifMvRead( file, NIL(Hrc_Manager_t), FALSE, FALSE, FALSE); |
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| 8 | |
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| 9 | } |
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| 10 | /*---------------------------------------------------------------------------*/ |
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| 11 | /* flatten_hierarchy */ |
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| 12 | /*---------------------------------------------------------------------------*/ |
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| 13 | Ntk_Network_t * flatten_hier(Hrc_Manager_t * hmgr) |
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| 14 | { |
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| 15 | assert(hmgr != NULL); |
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| 16 | int sweep = 1; |
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| 17 | int verbose = 0; |
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| 18 | lsList varNameList = (lsList) NULL; |
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| 19 | Ntk_Network_t *ntk; |
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| 20 | // flatten |
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| 21 | Hrc_Node_t *currentNode = Hrc_ManagerReadCurrentNode(hmgr); |
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| 22 | ntk = Ntk_HrcNodeConvertToNetwork(currentNode, TRUE, NULL); |
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| 23 | |
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| 24 | Hrc_NodeAddApplInfo(currentNode, NTK_HRC_NODE_APPL_KEY, |
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| 25 | (Hrc_ApplInfoFreeFn) Ntk_NetworkFreeCallback, |
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| 26 | (Hrc_ApplInfoChangeFn) NULL, // not currently used by hrc |
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| 27 | (void *) ntk); |
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| 28 | Ntk_NetworkSweep(ntk, verbose); |
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| 29 | return ntk; |
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| 30 | |
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| 31 | } |
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| 32 | /*---------------------------------------------------------------------------*/ |
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| 33 | /* Build_partition_maigs */ |
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| 34 | /*---------------------------------------------------------------------------*/ |
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| 35 | |
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| 36 | st_table * build_partition_maigs(Ntk_Network_t * ntk) |
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| 37 | { |
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| 38 | Ntk_Node_t *node, *latch; |
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| 39 | lsGen gen; |
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| 40 | int i; |
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| 41 | array_t *result; |
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| 42 | array_t *inputs; |
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| 43 | array_t *roots; |
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| 44 | st_table *leaves; |
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| 45 | st_table *nodeToMvfAigTable; /* mapes each node with its mvfAig */ |
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| 46 | MvfAig_Function_t *mvfAig; |
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| 47 | mAig_Manager_t * manager = Ntk_NetworkReadMAigManager(ntk); |
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| 48 | if (manager == NIL(mAig_Manager_t)) { |
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| 49 | manager = mAig_initAig(); |
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| 50 | Ntk_NetworkSetMAigManager(ntk, manager); |
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| 51 | } |
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| 52 | roots = array_alloc(Ntk_Node_t *, 0); |
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| 53 | Ntk_NetworkForEachCombOutput(ntk, gen, node) { |
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| 54 | array_insert_last(Ntk_Node_t *, roots, node); |
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| 55 | } |
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| 56 | Ntk_NetworkForEachNode(ntk, gen, node) { |
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| 57 | if(Ntk_NodeTestIsShadow(node)) continue; |
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| 58 | if(Ntk_NodeTestIsCombInput(node)) continue; |
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| 59 | if(Ntk_NodeTestIsCombOutput(node))continue; |
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| 60 | |
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| 61 | if(Ntk_NodeReadNumFanouts(node) == 0 && Ntk_NodeReadNumFanins(node)) { |
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| 62 | /** |
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| 63 | fprintf(vis_stdout, "WARNING : dangling node %s\n", Ntk_NodeReadName(node)); |
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| 64 | **/ |
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| 65 | array_insert_last(Ntk_Node_t *, roots, node); |
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| 66 | } |
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| 67 | } |
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| 68 | |
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| 69 | leaves = st_init_table(st_ptrcmp, st_ptrhash); |
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| 70 | |
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| 71 | inputs = array_alloc(Ntk_Node_t *, 16); |
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| 72 | Ntk_NetworkForEachCombInput(ntk, gen, node) { |
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| 73 | array_insert_last(Ntk_Node_t *, inputs, node); |
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| 74 | } |
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| 75 | array_sort(inputs, nodenameCompare); |
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| 76 | for(i=0; i<array_n(inputs); i++) { |
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| 77 | node = array_fetch(Ntk_Node_t *, inputs, i); |
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| 78 | st_insert(leaves, node, (char *) ntmaig_UNUSED); |
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| 79 | Ntk_NodeSetMAigId(node, |
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| 80 | mAig_CreateVar(manager, |
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| 81 | Ntk_NodeReadName(node), |
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| 82 | Var_VariableReadNumValues(Ntk_NodeReadVariable(node)))); |
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| 83 | } |
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| 84 | result = ntmaig_NetworkBuildMvfAigs(ntk, roots, leaves); |
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| 85 | |
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| 86 | nodeToMvfAigTable = (st_table *) Ntk_NetworkReadApplInfo(ntk, |
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| 87 | MVFAIG_NETWORK_APPL_KEY); |
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| 88 | Ntk_NetworkForEachLatch(ntk, gen, latch) { |
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| 89 | node = Ntk_LatchReadDataInput(latch); |
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| 90 | st_lookup(nodeToMvfAigTable, node, &mvfAig); |
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| 91 | Ntk_NodeSetMAigId(node, mAig_CreateVarFromAig(manager, Ntk_NodeReadName(node), mvfAig)); |
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| 92 | node = Ntk_LatchReadInitialInput(latch); |
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| 93 | st_lookup(nodeToMvfAigTable, node, &mvfAig); |
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| 94 | Ntk_NodeSetMAigId(node, mAig_CreateVarFromAig(manager, Ntk_NodeReadName(node), mvfAig)); |
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| 95 | } |
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| 96 | |
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| 97 | roots->num = 0; |
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| 98 | Ntk_NetworkForEachLatch(ntk, gen, latch) { |
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| 99 | if(!st_lookup(nodeToMvfAigTable, latch, &mvfAig)) |
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| 100 | array_insert_last(Ntk_Node_t *, roots, latch); |
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| 101 | } |
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| 102 | result = ntmaig_NetworkBuildMvfAigs(ntk, roots, leaves); |
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| 103 | array_free(roots); |
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| 104 | array_free(inputs); |
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| 105 | st_free_table(leaves); |
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| 106 | MvfAig_FunctionArrayFree(result); |
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| 107 | return nodeToMvfAigTable; |
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| 108 | } |
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| 109 | /*---------------------------------------------------------------------------*/ |
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| 110 | /* Create unroll circuit k steps */ |
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| 111 | /*---------------------------------------------------------------------------*/ |
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| 112 | void printLatch(st_table* CoiTable) |
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| 113 | { |
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| 114 | // COI contents |
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| 115 | printf("*** COI ***\n"); |
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| 116 | st_generator *stGen; |
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| 117 | Ntk_Node_t * latch; |
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| 118 | st_foreach_item(CoiTable, stGen, &latch, NULL) { |
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| 119 | printf("%s\n",Ntk_NodeReadName(latch)); |
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| 120 | } |
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| 121 | } |
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| 122 | |
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| 123 | st_table * generateAllLatches(Ntk_Network_t * ntk) |
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| 124 | { |
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| 125 | st_table *CoiTable = st_init_table(st_ptrcmp, st_ptrhash); |
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| 126 | lsGen gen ; |
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| 127 | Ntk_Node_t *node; |
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| 128 | |
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| 129 | Ntk_NetworkForEachNode(ntk,gen, node){ |
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| 130 | if (Ntk_NodeTestIsLatch(node)){ |
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| 131 | st_insert(CoiTable, (char *) node, (char *) 0); |
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| 132 | } |
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| 133 | } |
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| 134 | return CoiTable; |
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| 135 | |
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| 136 | } |
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| 137 | void build_unroll_circuit(Ntk_Network_t * ntk, int bound,BmcOption_t * options,BmcCnfClauses_t* cnfClauses) |
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| 138 | { |
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| 139 | st_table *CoiTable = generateAllLatches(ntk); |
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| 140 | lsGen gen ; |
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| 141 | Ntk_Node_t *node; |
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| 142 | |
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| 143 | |
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| 144 | |
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| 145 | Ntk_NetworkForEachNode(ntk,gen, node){ |
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| 146 | if (Ntk_NodeTestIsLatch(node)){ |
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| 147 | st_insert(CoiTable, (char *) node, (char *) 0); |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | options->verbosityLevel = BmcVerbosityMax_c; |
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| 152 | options->satSolver = CirCUs; |
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| 153 | options->timeOutPeriod = 0; |
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| 154 | options->printInputs = TRUE; |
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| 155 | options->minK = bound; |
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| 156 | options->maxK = bound; |
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| 157 | options->step = bound; |
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| 158 | options->dbgLevel = 1; |
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| 159 | |
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| 160 | //nodeToMvfAigTable Maps each node to its Multi-function And/Inv graph |
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| 161 | st_table* nodeToMvfAigTable = (st_table *) Ntk_NetworkReadApplInfo(ntk, MVFAIG_NETWORK_APPL_KEY); |
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| 162 | assert(nodeToMvfAigTable != NIL(st_table)); |
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| 163 | |
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| 164 | // Create clauses database |
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| 165 | int initState = BMC_INITIAL_STATES; |
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| 166 | BmcCnfGenerateClausesForPath(ntk, 0, bound, initState, cnfClauses, nodeToMvfAigTable, CoiTable); |
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| 167 | |
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| 168 | } |
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| 169 | |
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| 170 | void printSATAssig( array_t* result) |
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| 171 | { |
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| 172 | int k; |
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| 173 | printf("RESULT : \n"); |
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| 174 | for(k=0; k< array_n(result); k++){ |
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| 175 | printf("%d\n",array_fetch(int, result, k)); |
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| 176 | } |
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| 177 | } |
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| 178 | void printNodeToMvFaigTable(st_table* nodeToMvfAigTable) |
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| 179 | { |
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| 180 | // nodeToMvFaigTable contents |
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| 181 | st_generator *stGen; |
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| 182 | Ntk_Node_t * latch; |
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| 183 | printf("*** NODETOMV ***\n"); |
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| 184 | st_foreach_item(nodeToMvfAigTable, stGen, &latch, NULL) { |
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| 185 | printf("%s , %d\n",Ntk_NodeReadName(latch),Ntk_NodeReadMAigId(latch)); |
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| 186 | } |
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| 187 | printf("***************\n"); |
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| 188 | } |
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| 189 | void printCNFIndex(BmcCnfClauses_t* cnfClauses) |
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| 190 | { |
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| 191 | // Cnf index Table content |
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| 192 | st_generator *stGen; |
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| 193 | nameType_t *nodeName; |
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| 194 | int index,i,k; |
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| 195 | printf("*** cnfIndextable ***\n"); |
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| 196 | st_foreach_item(cnfClauses->cnfIndexTable, stGen,&nodeName,&index){ |
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| 197 | printf("(%s,%d)\n",nodeName, index); |
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| 198 | } |
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| 199 | } |
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| 200 | void printCNFClauses(BmcCnfClauses_t* cnfClauses) |
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| 201 | { |
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| 202 | int i,k; |
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| 203 | printf("*** clause table ***\n"); |
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| 204 | for (i = 0; i < cnfClauses->nextIndex; i++) { |
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| 205 | k = array_fetch(int, cnfClauses->clauseArray, i); |
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| 206 | printf("%d%c", k, (k == 0) ? '\n' : ' '); |
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| 207 | } |
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| 208 | } |
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| 209 | void |
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| 210 | printClauseLits(satManager_t *cm,long concl,FILE * file) |
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| 211 | { |
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| 212 | long i, node, var_idx,*lit; |
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| 213 | |
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| 214 | for(i=0, lit = (long*)SATfirstLit(concl); i<SATnumLits(concl);i++, lit++){ |
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| 215 | node = SATgetNode(*lit); |
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| 216 | var_idx = SATnodeID(node); |
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| 217 | if(SATisInverted(node)) |
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| 218 | fprintf(file,"%ld ", -var_idx); |
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| 219 | else |
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| 220 | fprintf(file,"%ld ",var_idx); |
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| 221 | } |
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| 222 | fprintf(file,"0\n"); |
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| 223 | } |
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| 224 | |
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| 225 | int getClsIndex(long concl,int numVarInCnf) |
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| 226 | { |
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| 227 | int clsIndex; |
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| 228 | clsIndex = concl - numVarInCnf * satNodeSize; |
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| 229 | clsIndex = (clsIndex/satNodeSize)-1; |
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| 230 | return clsIndex; |
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| 231 | |
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| 232 | } |
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| 233 | |
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| 234 | void printSatArrayCore(satManager_t *cm,satArray_t *clauseIndexInCore) |
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| 235 | { |
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| 236 | int i,v,clsIndex; |
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| 237 | for(i=0; i<clauseIndexInCore->num; i++) { |
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| 238 | v = clauseIndexInCore->space[i]; |
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| 239 | clsIndex = getClsIndex(v,cm->initNumVariables); |
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| 240 | printf("\nclause idx = %d\n",clsIndex); |
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| 241 | printClauseLits(cm,v,vis_stdout); |
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| 242 | } |
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| 243 | } |
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| 244 | void printSatArrayCoreToCnf(satManager_t *cm,satArray_t *clauseIndexInCore, char *filename) |
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| 245 | { |
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| 246 | FILE * file = fopen(filename,"w"); |
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| 247 | fprintf(file,"p cnf %d %d\n",clauseIndexInCore->num,cm->initNumVariables); |
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| 248 | int i,v,clsIndex; |
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| 249 | for(i=0; i<clauseIndexInCore->num; i++) { |
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| 250 | v = clauseIndexInCore->space[i]; |
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| 251 | clsIndex = getClsIndex(v,cm->initNumVariables); |
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| 252 | //printf("\nclause idx = %d\n",clsIndex); |
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| 253 | printClauseLits(cm,v,file); |
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| 254 | } |
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| 255 | fclose(file); |
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| 256 | } |
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| 257 | |
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| 258 | array_t * checkSATCircus( satManager_t *cm,BmcOption_t * options, boolean unsatcore, satArray_t *clauseIndexInCore) |
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| 259 | { |
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| 260 | |
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| 261 | satOption_t *satOption; |
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| 262 | array_t *result = NIL(array_t); |
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| 263 | int maxSize; |
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| 264 | |
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| 265 | satOption = sat_InitOption(); |
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| 266 | satOption->verbose = options->verbosityLevel; |
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| 267 | //satOption->unsatCoreFileName = "Ucore.txt"; |
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| 268 | satOption->clauseDeletionHeuristic = 0; |
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| 269 | satOption->coreGeneration = unsatcore; |
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| 270 | satOption->minimizeConflictClause = 1; |
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| 271 | |
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| 272 | cm->comment = ALLOC(char, 2); |
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| 273 | cm->comment[0] = ' '; |
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| 274 | cm->comment[1] = '\0'; |
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| 275 | cm->stdOut = stdout; |
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| 276 | cm->stdErr = stderr; |
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| 277 | |
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| 278 | cm->option = satOption; |
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| 279 | cm->each = sat_InitStatistics(); |
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| 280 | |
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| 281 | cm->unitLits = sat_ArrayAlloc(16); |
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| 282 | cm->pureLits = sat_ArrayAlloc(16); |
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| 283 | |
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| 284 | maxSize = 10000 << (bAigNodeSize-4); |
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| 285 | cm->nodesArray = ALLOC(bAigEdge_t, maxSize); |
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| 286 | cm->maxNodesArraySize = maxSize; |
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| 287 | cm->nodesArraySize = bAigNodeSize; |
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| 288 | |
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| 289 | sat_AllocLiteralsDB(cm); |
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| 290 | |
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| 291 | sat_ReadCNF(cm, options->satInFile); |
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| 292 | sat_Main(cm); |
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| 293 | if(cm->status == SAT_UNSAT) { |
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| 294 | if (options->verbosityLevel != BmcVerbosityNone_c){ |
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| 295 | (void) fprintf(vis_stdout, "# SAT: Counterexample not found\n"); |
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| 296 | } |
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| 297 | if(unsatcore) |
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| 298 | { |
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| 299 | clauseIndexInCore = cm->clauseIndexInCore; |
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| 300 | } |
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| 301 | fflush(cm->stdOut); |
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| 302 | |
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| 303 | }else if(cm->status == SAT_SAT) { |
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| 304 | if (options->verbosityLevel != BmcVerbosityNone_c){ |
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| 305 | (void) fprintf(vis_stdout, "# SAT: Counterexample found\n"); |
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| 306 | } |
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| 307 | fflush(cm->stdOut); |
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| 308 | result = array_alloc(int, 0); |
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| 309 | { |
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| 310 | int i, size, value; |
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| 311 | |
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| 312 | size = cm->initNumVariables * bAigNodeSize; |
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| 313 | for(i=bAigNodeSize; i<=size; i+=bAigNodeSize) { |
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| 314 | value = SATvalue(i); |
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| 315 | if(value == 1) { |
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| 316 | array_insert_last(int, result, SATnodeID(i)); |
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| 317 | } |
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| 318 | else if(value == 0) { |
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| 319 | array_insert_last(int, result, -(SATnodeID(i))); |
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| 320 | } |
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| 321 | } |
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| 322 | } |
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| 323 | } |
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| 324 | return result; |
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| 325 | |
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| 326 | } |
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| 327 | int findIndex(BmcCnfClauses_t* cnfClauses , char * nodeName) |
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| 328 | { |
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| 329 | int index; |
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| 330 | st_lookup(cnfClauses->cnfIndexTable,nodeName,&index); |
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| 331 | return index; |
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| 332 | |
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| 333 | } |
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| 334 | |
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| 335 | mdd_t * buildBdd4StateVal(array_t* stateName, int max, array_t * val, |
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| 336 | mdd_manager * mddManager) |
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| 337 | { |
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| 338 | array_t * mvar_val= array_alloc(int,0); |
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| 339 | array_t * mvar_name= array_alloc(char*,0); |
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| 340 | array_t * mvar_strides= NIL(array_t); |
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| 341 | |
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| 342 | if(array_n(stateName) == 1) |
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| 343 | { |
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| 344 | array_insert_last(int, mvar_val,max); |
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| 345 | array_insert_last(char*, mvar_name,array_fetch(char*, stateName,0)); |
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| 346 | } |
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| 347 | else |
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| 348 | { |
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| 349 | int i; |
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| 350 | for( i = 0;i<max;i++) array_insert_last(int, mvar_val,1); |
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| 351 | mvar_name = array_dup(stateName); |
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| 352 | |
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| 353 | printf(" Num of var , %d %d \n",array_n(stateName),array_n(mvar_val)); |
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| 354 | |
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| 355 | } |
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| 356 | |
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| 357 | mdd_create_variables(mddManager, mvar_val,mvar_name, mvar_strides); |
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| 358 | |
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| 359 | array_t *mvar_list = mdd_ret_mvar_list(mddManager); |
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| 360 | array_t *bvar_list = mdd_ret_bvar_list(mddManager); |
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| 361 | |
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| 362 | bvar_type bv = array_fetch(bvar_type, bvar_list, 0); |
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| 363 | |
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| 364 | mvar_type mv; |
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| 365 | bdd_node* f,*f2, * left, *right; |
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| 366 | int i,v, value,mask; |
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| 367 | |
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| 368 | f = bdd_read_one(mddManager); |
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| 369 | bdd_ref(f); |
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| 370 | mv = array_fetch(mvar_type, mvar_list, 0); |
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| 371 | printf("mvar name: %s;%d\n", mv.name,array_n(bvar_list)); |
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| 372 | // for(v=0;v<array_n(val); v++) |
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| 373 | // { |
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| 374 | value = array_fetch(int,val,0); |
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| 375 | mask = 1; |
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| 376 | for(i= array_n(bvar_list)-1;i>=0; i--) |
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| 377 | { |
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| 378 | printf("---->value %d , %d, %d \n",value,(value & mask),i); |
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| 379 | left = bdd_bdd_ith_var(mddManager,i); |
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| 380 | if((value&mask) > 0) |
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| 381 | right = bdd_bdd_and(mddManager,left,f); |
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| 382 | else |
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| 383 | right = bdd_bdd_and(mddManager,bdd_not_bdd_node(left),f); |
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| 384 | bdd_ref(right); |
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| 385 | bdd_recursive_deref(mddManager,f); |
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| 386 | f = right; |
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| 387 | mask = mask *2; |
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| 388 | } |
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| 389 | |
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| 390 | for(v=1;v<array_n(val); v++) |
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| 391 | { |
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| 392 | value = array_fetch(int,val,v); |
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| 393 | mask = 1; |
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| 394 | printf("----val_value : %d\n",value); |
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| 395 | f2 = bdd_read_one(mddManager); |
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| 396 | bdd_ref(f2); |
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| 397 | |
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| 398 | for(i= array_n(bvar_list)-1;i>=0; i--) |
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| 399 | { |
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| 400 | printf("---->value %d , %d, %d \n",value,(value & mask),i); |
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| 401 | left = bdd_bdd_ith_var(mddManager,i); |
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| 402 | if((value&mask) > 0) |
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| 403 | right = bdd_bdd_and(mddManager,left,f2); |
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| 404 | else |
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| 405 | right = bdd_bdd_and(mddManager,bdd_not_bdd_node(left),f2); |
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| 406 | bdd_ref(right); |
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| 407 | bdd_recursive_deref(mddManager,f2); |
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| 408 | f2 = right; |
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| 409 | mask = mask *2; |
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| 410 | } |
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| 411 | right = bdd_bdd_or(mddManager,f2,f); |
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| 412 | bdd_ref(right); |
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| 413 | bdd_recursive_deref(mddManager,f2); |
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| 414 | bdd_recursive_deref(mddManager,f); |
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| 415 | f = right; |
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| 416 | } |
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| 417 | |
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| 418 | mdd_t * mdd = bdd_construct_bdd_t(mddManager, f); |
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| 419 | mdd_print_support(mdd); |
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| 420 | //FILE * file = fopen("bdd.dot","w"); |
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| 421 | //bdd_dump_dot(mddManager, 1, &f, NULL, NULL,file); |
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| 422 | |
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| 423 | //fclose(file); |
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| 424 | array_free(mvar_val); |
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| 425 | array_free(mvar_name); |
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| 426 | |
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| 427 | return mdd; |
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| 428 | |
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| 429 | } |
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| 430 | |
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| 431 | |
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| 432 | void addObjState(array_t* stateName, int max, array_t * val, int steps,BmcCnfClauses_t *cnfClauses) |
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| 433 | { |
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| 434 | |
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| 435 | mdd_manager * mddManager = mdd_init_empty(); |
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| 436 | mdd_t * mdd = buildBdd4StateVal(stateName, max,val,mddManager); |
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| 437 | int index; |
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| 438 | index = BmcGenerateCnfFormulaForBdd(mdd,steps, cnfClauses); |
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| 439 | printf("number of clause : %d index %d \n", cnfClauses-> noOfClauses,index); |
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| 440 | |
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| 441 | array_t * newClause; |
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| 442 | newClause = array_alloc(int,1); |
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| 443 | array_insert(int,newClause,0,index); |
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| 444 | BmcCnfInsertClause(cnfClauses, newClause); |
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| 445 | |
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| 446 | |
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| 447 | |
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| 448 | |
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| 449 | array_free(newClause); |
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| 450 | mdd_quit(mddManager); |
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| 451 | |
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| 452 | |
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| 453 | } |
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| 454 | |
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