X-Git-Url: http://plrg.eecs.uci.edu/git/?p=satune.git;a=blobdiff_plain;f=src%2Fcsolver.h;h=b27e3c00038d586908d6d17bb80f79a774b7eaed;hp=523ac307194534f1c7e35a302247cef2cc8032a7;hb=0fc529c88d7ea03156af7a2f1ad1fbb956c23c98;hpb=37c1d6b2727508d8af302bdf85ef1f47a5e5d6da diff --git a/src/csolver.h b/src/csolver.h index 523ac30..b27e3c0 100644 --- a/src/csolver.h +++ b/src/csolver.h @@ -19,11 +19,16 @@ public: 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); @@ -52,6 +57,8 @@ public: Set *getElementRange (Element *element); + void mustHaveValue(Element *element); + BooleanEdge getBooleanTrue(); BooleanEdge getBooleanFalse(); @@ -62,20 +69,20 @@ public: /** 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); @@ -94,6 +101,9 @@ public: 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); @@ -119,10 +129,19 @@ public: /** 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); + /** After getting the solution from the SAT solver, client can get the value of a boolean via this function*/ bool getBooleanValue(BooleanEdge boolean); @@ -132,8 +151,9 @@ public: 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(); @@ -143,6 +163,8 @@ public: 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;} @@ -153,22 +175,25 @@ public: 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 @@ -176,6 +201,7 @@ private: 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 allBooleans; @@ -209,7 +235,45 @@ private: SATEncoder *satEncoder; bool unsat; + bool booleanVarUsed; + bool incrementalMode; Tuner *tuner; long long elapsedTime; + long satsolverTimeout; + Interpreter *interpreter; + 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