public:
CSolver();
~CSolver();
-
+ void resetSolver();
/** This function creates a set containing the elements passed in the array. */
Set *createSet(VarType type, uint64_t *elements, uint num);
Set *createRangeSet(VarType type, uint64_t lowrange, uint64_t highrange);
+ bool itemExistInSet(Set *set, uint64_t item);
+
VarType getSetVarType(Set *set);
Element *createRangeVar(VarType type, uint64_t lowrange, uint64_t highrange);
- /** This function creates a mutable set. */
+ /** This function creates a mutable set.
+ * Note: You should use addItem for adding new item to Mutable sets, and
+ * at the end, you should call finalizeMutableSet!
+ */
MutableSet *createMutableSet(VarType type);
Set *getElementRange (Element *element);
+ void mustHaveValue(Element *element);
+
BooleanEdge getBooleanTrue();
BooleanEdge getBooleanFalse();
/** This function creates a function operator. */
- Function *createFunctionOperator(ArithOp op, Set **domain, uint numDomain, Set *range,
+ Function *createFunctionOperator(ArithOp op, Set *range,
OverFlowBehavior overflowbehavior);
/** This function creates a predicate operator. */
- Predicate *createPredicateOperator(CompOp op, Set **domain, uint numDomain);
+ Predicate *createPredicateOperator(CompOp op);
Predicate *createPredicateTable(Table *table, UndefinedBehavior behavior);
/** This function creates an empty instance table.*/
- Table *createTable(Set **domains, uint numDomain, Set *range);
+ Table *createTable(Set *range);
- Table *createTableForPredicate(Set **domains, uint numDomain);
+ Table *createTableForPredicate();
/** This function adds an input output relation to a table. */
void addTableEntry(Table *table, uint64_t *inputs, uint inputSize, uint64_t result);
BooleanEdge applyPredicate(Predicate *predicate, Element **inputs, uint numInputs);
+ /** This exactly one element of array can be true! (i.e. a1 + a2 + a3 + ... + an = 1)*/
+ BooleanEdge applyExactlyOneConstraint (BooleanEdge *array, uint asize);
+
/** This function applies a logical operation to the Booleans in its input. */
-
+
BooleanEdge applyLogicalOperation(LogicOp op, BooleanEdge *array, uint asize);
/** This function applies a logical operation to the Booleans in its input. */
/** When everything is done, the client calls this function and then csolver starts to encode*/
int solve();
-
+ /**
+ * Incremental Solving for SATUNE.
+ * It only supports incremental solving for elements!
+ * No support for BooleanVar, BooleanOrder or using interpreters
+ * @return
+ */
+ int solveIncremental();
+
/** After getting the solution from the SAT solver, client can get the value of an element via this function*/
uint64_t getElementValue(Element *element);
+ void freezeElement(Element *e);
+
+ void turnoffOptimizations(){optimizationsOff = true;}
+
/** After getting the solution from the SAT solver, client can get the value of a boolean via this function*/
bool getBooleanValue(BooleanEdge boolean);
bool isFalse(BooleanEdge b);
void setUnSAT() { model_print("Setting UNSAT %%%%%%\n"); unsat = true; }
+ void setSatSolverTimeout(long seconds) { satsolverTimeout = seconds;}
bool isUnSAT() { return unsat; }
-
+ bool isBooleanVarUsed() {return booleanVarUsed;}
void printConstraint(BooleanEdge boolean);
void printConstraints();
Tuner *getTuner() { return tuner; }
SetIteratorBooleanEdge *getConstraints() { return constraints.iterator(); }
-
+ bool isConstraintEncoded(BooleanEdge be) { return encodedConstraints.contains(be);}
+ void addEncodedConstraint(BooleanEdge be) {encodedConstraints.add(be);}
+
SATEncoder *getSATEncoder() {return satEncoder;}
void replaceBooleanWithTrue(BooleanEdge bexpr);
void replaceBooleanWithBoolean(BooleanEdge oldb, BooleanEdge newb);
CSolver *clone();
void serialize();
- static CSolver* deserialize(const char * file);
+ static CSolver *deserialize(const char *file, InterpreterType itype = SATUNE);
void autoTune(uint budget);
void inferFixedOrders();
void inferFixedOrder(Order *order);
-
-
+ void setInterpreter(InterpreterType type);
+ bool useInterpreter() {return interpreter != NULL;}
void setTuner(Tuner *_tuner) { tuner = _tuner; }
long long getElapsedTime() { return elapsedTime; }
long long getEncodeTime();
long long getSolveTime();
-
+ long getSatSolverTimeout() { return satsolverTimeout;}
+ bool isIncrementalMode() {return incrementalMode;}
+ void freezeElementsVariables();
CMEMALLOC;
private:
void handleIFFTrue(BooleanLogic *bexpr, BooleanEdge child);
void handleANDTrue(BooleanLogic *bexpr, BooleanEdge child);
-
+ void handleFunction(ElementFunction *ef, BooleanEdge child);
+
//These two functions are helpers if the client has a pointer to a
//Boolean object that we have since replaced
BooleanEdge rewriteLogicalOperation(LogicOp op, BooleanEdge *array, uint asize);
BooleanEdge doRewrite(BooleanEdge b);
/** This is a vector of constraints that must be satisfied. */
HashsetBooleanEdge constraints;
+ HashsetBooleanEdge encodedConstraints;
/** This is a vector of all boolean structs that we have allocated. */
Vector<Boolean *> allBooleans;
SATEncoder *satEncoder;
bool unsat;
+ bool booleanVarUsed;
+ bool incrementalMode;
+ bool optimizationsOff;
Tuner *tuner;
long long elapsedTime;
+ long satsolverTimeout;
+ Interpreter *interpreter;
+ bool noOptimization;
+ friend class ElementOpt;
+ friend class VarOrderingOpt;
};
+
+inline CompOp flipOp(CompOp op) {
+ switch (op) {
+ case SATC_EQUALS:
+ return SATC_EQUALS;
+ case SATC_LT:
+ return SATC_GT;
+ case SATC_GT:
+ return SATC_LT;
+ case SATC_LTE:
+ return SATC_GTE;
+ case SATC_GTE:
+ return SATC_LTE;
+ }
+ ASSERT(0);
+}
+
+inline CompOp negateOp(CompOp op) {
+ switch (op) {
+ case SATC_EQUALS:
+ ASSERT(0);
+ case SATC_LT:
+ return SATC_GTE;
+ case SATC_GT:
+ return SATC_LTE;
+ case SATC_LTE:
+ return SATC_GT;
+ case SATC_GTE:
+ return SATC_LT;
+ }
+ ASSERT(0);
+}
#endif