src/csolver.c

   1 #include "csolver.h"
   2 #include "set.h"
   3 #include "mutableset.h"
   4 #include "element.h"
   5 #include "boolean.h"
   6 #include "predicate.h"
   7 #include "order.h"
   8 #include "table.h"
   9 #include "function.h"
  10 #include "satencoder.h"
  11 #include "sattranslator.h"
  12
  13 CSolver * allocCSolver() {
  14         CSolver * This=(CSolver *) ourmalloc(sizeof(CSolver));
  15         This->constraints=allocDefVectorBoolean();
  16         This->allBooleans=allocDefVectorBoolean();
  17         This->allSets=allocDefVectorSet();
  18         This->allElements=allocDefVectorElement();
  19         This->allPredicates = allocDefVectorPredicate();
  20         This->allTables = allocDefVectorTable();
  21         This->allOrders = allocDefVectorOrder();
  22         This->allFunctions = allocDefVectorFunction();
  23         This->satEncoder = allocSATEncoder();
  24         return This;
  25 }
  26
  27 /** This function tears down the solver and the entire AST */
  28
  29 void deleteSolver(CSolver *This) {
  30         deleteVectorBoolean(This->constraints);
  31
  32         uint size=getSizeVectorBoolean(This->allBooleans);
  33         for(uint i=0;i<size;i++) {
  34                 deleteBoolean(getVectorBoolean(This->allBooleans, i));
  35         }
  36         deleteVectorBoolean(This->allBooleans);
  37
  38         size=getSizeVectorSet(This->allSets);
  39         for(uint i=0;i<size;i++) {
  40                 deleteSet(getVectorSet(This->allSets, i));
  41         }
  42         deleteVectorSet(This->allSets);
  43
  44         size=getSizeVectorElement(This->allElements);
  45         for(uint i=0;i<size;i++) {
  46                 deleteElement(getVectorElement(This->allElements, i));
  47         }
  48         deleteVectorElement(This->allElements);
  49
  50         size=getSizeVectorTable(This->allTables);
  51         for(uint i=0;i<size;i++) {
  52                 deleteTable(getVectorTable(This->allTables, i));
  53         }
  54         deleteVectorTable(This->allTables);
  55
  56         size=getSizeVectorPredicate(This->allPredicates);
  57         for(uint i=0;i<size;i++) {
  58                 deletePredicate(getVectorPredicate(This->allPredicates, i));
  59         }
  60         deleteVectorPredicate(This->allPredicates);
  61
  62         size=getSizeVectorOrder(This->allOrders);
  63         for(uint i=0;i<size;i++) {
  64                 deleteOrder(getVectorOrder(This->allOrders, i));
  65         }
  66         deleteVectorOrder(This->allOrders);
  67
  68         size=getSizeVectorFunction(This->allFunctions);
  69         for(uint i=0;i<size;i++) {
  70                 deleteFunction(getVectorFunction(This->allFunctions, i));
  71         }
  72         deleteVectorFunction(This->allFunctions);
  73         deleteSATEncoder(This->satEncoder);
  74         ourfree(This);
  75 }
  76
  77 Set * createSet(CSolver * This, VarType type, uint64_t * elements, uint numelements) {
  78         Set * set=allocSet(type, elements, numelements);
  79         pushVectorSet(This->allSets, set);
  80         return set;
  81 }
  82
  83 Set * createRangeSet(CSolver * This, VarType type, uint64_t lowrange, uint64_t highrange) {
  84         Set * set=allocSetRange(type, lowrange, highrange);
  85         pushVectorSet(This->allSets, set);
  86         return set;
  87 }
  88
  89 MutableSet * createMutableSet(CSolver * This, VarType type) {
  90         MutableSet * set=allocMutableSet(type);
  91         pushVectorSet(This->allSets, set);
  92         return set;
  93 }
  94
  95 void addItem(CSolver *This, MutableSet * set, uint64_t element) {
  96         addElementMSet(set, element);
  97 }
  98
  99 uint64_t createUniqueItem(CSolver *This, MutableSet * set) {
 100         uint64_t element=set->low++;
 101         addElementMSet(set, element);
 102         return element;
 103 }
 104
 105 Element * getElementVar(CSolver *This, Set * set) {
 106         Element * element=allocElementSet(set);
 107         pushVectorElement(This->allElements, element);
 108         return element;
 109 }
 110
 111 Element * getElementConst(CSolver *This, VarType type, uint64_t value) {
 112         Element * element=allocElementConst(value, type);
 113         pushVectorElement(This->allElements, element);
 114         return element;
 115 }
 116
 117 Boolean * getBooleanVar(CSolver *This, VarType type) {
 118         Boolean* boolean= allocBooleanVar(type);
 119         pushVectorBoolean(This->allBooleans, boolean);
 120         return boolean;
 121 }
 122
 123 Function * createFunctionOperator(CSolver *This, ArithOp op, Set ** domain, uint numDomain, Set * range,OverFlowBehavior overflowbehavior) {
 124         Function* function = allocFunctionOperator(op, domain, numDomain, range, overflowbehavior);
 125         pushVectorFunction(This->allFunctions, function);
 126         return function;
 127 }
 128
 129 Predicate * createPredicateOperator(CSolver *This, CompOp op, Set ** domain, uint numDomain) {
 130         Predicate* predicate= allocPredicateOperator(op, domain,numDomain);
 131         pushVectorPredicate(This->allPredicates, predicate);
 132         return predicate;
 133 }
 134
 135 Predicate * createPredicateTable(CSolver *This, Table* table, UndefinedBehavior behavior){
 136         Predicate* predicate = allocPredicateTable(table, behavior);
 137         pushVectorPredicate(This->allPredicates, predicate);
 138         return predicate;
 139 }
 140
 141 Table * createTable(CSolver *This, Set **domains, uint numDomain, Set * range) {
 142         Table* table= allocTable(domains,numDomain,range);
 143         pushVectorTable(This->allTables, table);
 144         return table;
 145 }
 146
 147 Table * createTableForPredicate(CSolver *solver, Set **domains, uint numDomain){
 148         return createTable(solver, domains, numDomain, NULL);
 149 }
 150
 151 void addTableEntry(CSolver *This, Table* table, uint64_t* inputs, uint inputSize, uint64_t result) {
 152         addNewTableEntry(table,inputs, inputSize,result);
 153 }
 154
 155 Function * completeTable(CSolver *This, Table * table, UndefinedBehavior behavior) {
 156         Function* function = allocFunctionTable(table, behavior);
 157         pushVectorFunction(This->allFunctions,function);
 158         return function;
 159 }
 160
 161 Element * applyFunction(CSolver *This, Function * function, Element ** array, uint numArrays, Boolean * overflowstatus) {
 162         Element* element= allocElementFunction(function,array,numArrays,overflowstatus);
 163         pushVectorElement(This->allElements, element);
 164         return element;
 165 }
 166
 167 Boolean * applyPredicate(CSolver *This, Predicate * predicate, Element ** inputs, uint numInputs) {
 168         return applyPredicateTable(This, predicate, inputs, numInputs, NULL);
 169 }
 170 Boolean * applyPredicateTable(CSolver *This, Predicate * predicate, Element ** inputs, uint numInputs, Boolean* undefinedStatus) {
 171         Boolean* boolean= allocBooleanPredicate(predicate, inputs, numInputs, undefinedStatus);
 172         pushVectorBoolean(This->allBooleans, boolean);
 173         return boolean;
 174 }
 175
 176 Boolean * applyLogicalOperation(CSolver *This, LogicOp op, Boolean ** array, uint asize) {
 177         return allocBooleanLogicArray(This, op, array, asize);
 178 }
 179
 180 void addConstraint(CSolver *This, Boolean * constraint) {
 181         pushVectorBoolean(This->constraints, constraint);
 182 }
 183
 184 Order * createOrder(CSolver *This, OrderType type, Set * set) {
 185         Order* order = allocOrder(type, set);
 186         pushVectorOrder(This->allOrders, order);
 187         return order;
 188 }
 189
 190 Boolean * orderConstraint(CSolver *This, Order * order, uint64_t first, uint64_t second) {
 191         Boolean* constraint = allocBooleanOrder(order, first, second);
 192         pushVectorBoolean(This->allBooleans,constraint);
 193         return constraint;
 194 }
 195
 196 Boolean * interOrderConstraint(CSolver * This, Order * order1, uint64_t first, Order* order2, uint64_t second){
 197         Boolean* constraint = allocBooleanInterOrder(order1, first, order2, second);
 198         pushVectorBoolean(This->allBooleans, constraint);
 199         return constraint;
 200 }
 201
 202 int startEncoding(CSolver* This){
 203         naiveEncodingDecision(This);
 204         SATEncoder* satEncoder = This->satEncoder;
 205         encodeAllSATEncoder(This, satEncoder);
 206         int result= solveCNF(satEncoder->cnf);
 207         model_print("sat_solver's result:%d\tsolutionSize=%d\n", result, satEncoder->cnf->solver->solutionsize);
 208         for(uint i=1; i<=satEncoder->cnf->solver->solutionsize; i++){
 209                 model_print("%d, ", satEncoder->cnf->solver->solution[i]);
 210         }
 211         model_print("\n");
 212         return result;
 213 }
 214
 215 uint64_t getElementValue(CSolver* This, Element* element){
 216         switch(GETELEMENTTYPE(element)){
 217                 case ELEMSET:
 218                 case ELEMCONST:
 219                 case ELEMFUNCRETURN:
 220                         return getElementValueSATTranslator(This, element);
 221                 default:
 222                         ASSERT(0);
 223         }
 224         exit(-1);
 225 }
 226
 227 bool getBooleanValue( CSolver* This , Boolean* boolean){
 228         switch(GETBOOLEANTYPE(boolean)){
 229                 case BOOLEANVAR:
 230                         return getBooleanVariableValueSATTranslator(This, boolean);
 231                 default:
 232                         ASSERT(0);
 233         }
 234         exit(-1);
 235 }
 236
 237 HappenedBefore getOrderConstraintValue(CSolver* This, Order * order, uint64_t first, uint64_t second){
 238         return getOrderConstraintValueSATTranslator(This, order, first, second);
 239 }
 240