#include "structs.h"
#include "orderresolver.h"
#include "integerencoding.h"
-#include <stdlib.h>
+#include "qsort.h"
+#include "preprocess.h"
+#include "serializer.h"
+#include "deserializer.h"
+#include "encodinggraph.h"
CSolver::CSolver() :
- boolTrue(new BooleanConst(true)),
- boolFalse(new BooleanConst(false)),
+ boolTrue(BooleanEdge(new BooleanConst(true))),
+ boolFalse(boolTrue.negate()),
unsat(false),
tuner(NULL),
elapsedTime(0)
delete allFunctions.get(i);
}
- delete boolTrue;
- delete boolFalse;
+ delete boolTrue.getBoolean();
delete satEncoder;
}
CSolver *CSolver::clone() {
CSolver *copy = new CSolver();
CloneMap map;
- SetIteratorBoolean *it = getConstraints();
+ SetIteratorBooleanEdge *it = getConstraints();
while (it->hasNext()) {
- Boolean *b = it->next();
- copy->addConstraint(b->clone(copy, &map));
+ BooleanEdge b = it->next();
+ copy->addConstraint(cloneEdge(copy, &map, b));
}
delete it;
return copy;
}
+void CSolver::serialize() {
+ model_print("serializing ...\n");
+ {
+ Serializer serializer("dump");
+ SetIteratorBooleanEdge *it = getConstraints();
+ while (it->hasNext()) {
+ BooleanEdge b = it->next();
+ serializeBooleanEdge(&serializer, b);
+ }
+ delete it;
+ }
+ model_print("deserializing ...\n");
+ {
+ Deserializer deserializer("dump");
+ deserializer.deserialize();
+ }
+
+}
+
Set *CSolver::createSet(VarType type, uint64_t *elements, uint numelements) {
Set *set = new Set(type, elements, numelements);
allSets.push(set);
return set;
}
+VarType CSolver::getSetVarType(Set *set) {
+ return set->getType();
+}
+
Element *CSolver::createRangeVar(VarType type, uint64_t lowrange, uint64_t highrange) {
Set *s = createRangeSet(type, lowrange, highrange);
return getElementVar(s);
return element;
}
+void CSolver::finalizeMutableSet(MutableSet *set) {
+ set->finalize();
+}
+
Element *CSolver::getElementVar(Set *set) {
Element *element = new ElementSet(set);
allElements.push(element);
return element;
}
+Set *CSolver::getElementRange (Element *element) {
+ return element->getRange();
+}
+
+
Element *CSolver::getElementConst(VarType type, uint64_t value) {
uint64_t array[] = {value};
Set *set = new Set(type, array, 1);
- Element *element = new ElementConst(value, type, set);
+ Element *element = new ElementConst(value, set);
Element *e = elemMap.get(element);
if (e == NULL) {
allSets.push(set);
}
}
-Element *CSolver::applyFunction(Function *function, Element **array, uint numArrays, Boolean *overflowstatus) {
+Element *CSolver::applyFunction(Function *function, Element **array, uint numArrays, BooleanEdge overflowstatus) {
Element *element = new ElementFunction(function,array,numArrays,overflowstatus);
Element *e = elemMap.get(element);
if (e == NULL) {
+ element->updateParents();
allElements.push(element);
elemMap.put(element, element);
return element;
return function;
}
-Boolean *CSolver::getBooleanVar(VarType type) {
+BooleanEdge CSolver::getBooleanVar(VarType type) {
Boolean *boolean = new BooleanVar(type);
allBooleans.push(boolean);
- return boolean;
+ return BooleanEdge(boolean);
}
-Boolean *CSolver::getBooleanTrue() {
+BooleanEdge CSolver::getBooleanTrue() {
return boolTrue;
}
-Boolean *CSolver::getBooleanFalse() {
+BooleanEdge CSolver::getBooleanFalse() {
return boolFalse;
}
-Boolean *CSolver::applyPredicate(Predicate *predicate, Element **inputs, uint numInputs) {
- return applyPredicateTable(predicate, inputs, numInputs, NULL);
+BooleanEdge CSolver::applyPredicate(Predicate *predicate, Element **inputs, uint numInputs) {
+ return applyPredicateTable(predicate, inputs, numInputs, BooleanEdge(NULL));
}
-Boolean *CSolver::applyPredicateTable(Predicate *predicate, Element **inputs, uint numInputs, Boolean *undefinedStatus) {
+BooleanEdge CSolver::applyPredicateTable(Predicate *predicate, Element **inputs, uint numInputs, BooleanEdge undefinedStatus) {
BooleanPredicate *boolean = new BooleanPredicate(predicate, inputs, numInputs, undefinedStatus);
Boolean *b = boolMap.get(boolean);
if (b == NULL) {
+ boolean->updateParents();
boolMap.put(boolean, boolean);
allBooleans.push(boolean);
- return boolean;
+ return BooleanEdge(boolean);
} else {
delete boolean;
- return b;
+ return BooleanEdge(b);
}
}
-bool CSolver::isTrue(Boolean *b) {
- return b->isTrue();
+bool CSolver::isTrue(BooleanEdge b) {
+ return b.isNegated() ? b->isFalse() : b->isTrue();
}
-bool CSolver::isFalse(Boolean *b) {
- return b->isFalse();
+bool CSolver::isFalse(BooleanEdge b) {
+ return b.isNegated() ? b->isTrue() : b->isFalse();
}
-Boolean *CSolver::applyLogicalOperation(LogicOp op, Boolean *arg1, Boolean *arg2) {
- Boolean *array[] = {arg1, arg2};
+BooleanEdge CSolver::applyLogicalOperation(LogicOp op, BooleanEdge arg1, BooleanEdge arg2) {
+ BooleanEdge array[] = {arg1, arg2};
return applyLogicalOperation(op, array, 2);
}
-Boolean *CSolver::applyLogicalOperation(LogicOp op, Boolean *arg) {
- Boolean *array[] = {arg};
+BooleanEdge CSolver::applyLogicalOperation(LogicOp op, BooleanEdge arg) {
+ BooleanEdge array[] = {arg};
return applyLogicalOperation(op, array, 1);
}
static int ptrcompares(const void *p1, const void *p2) {
uintptr_t b1 = *(uintptr_t const *) p1;
- uintptr_t b2 = *(uintptr_t const *) p2;
+ uintptr_t b2 = *(uintptr_t const *) p2;
if (b1 < b2)
return -1;
else if (b1 == b2)
return 1;
}
-Boolean *CSolver::applyLogicalOperation(LogicOp op, Boolean **array, uint asize) {
- Boolean *newarray[asize];
+BooleanEdge CSolver::rewriteLogicalOperation(LogicOp op, BooleanEdge *array, uint asize) {
+ BooleanEdge newarray[asize];
+ memcpy(newarray, array, asize * sizeof(BooleanEdge));
+ for (uint i = 0; i < asize; i++) {
+ BooleanEdge b = newarray[i];
+ if (b->type == LOGICOP) {
+ if (((BooleanLogic *) b.getBoolean())->replaced) {
+ newarray[i] = doRewrite(newarray[i]);
+ i--;//Check again
+ }
+ }
+ }
+ return applyLogicalOperation(op, newarray, asize);
+}
+
+BooleanEdge CSolver::applyLogicalOperation(LogicOp op, BooleanEdge *array, uint asize) {
+ BooleanEdge newarray[asize];
switch (op) {
case SATC_NOT: {
- if (array[0]->type == LOGICOP && ((BooleanLogic *)array[0])->op == SATC_NOT) {
- return ((BooleanLogic *) array[0])->inputs.get(0);
- } else if (array[0]->type == BOOLCONST) {
- return array[0]->isTrue() ? boolFalse : boolTrue;
- }
- break;
+ return array[0].negate();
}
case SATC_IFF: {
for (uint i = 0; i < 2; i++) {
if (array[i]->type == BOOLCONST) {
- if (array[i]->isTrue()) {
+ if (isTrue(array[i])) { // It can be undefined
return array[1 - i];
- } else {
+ } else if (isFalse(array[i])) {
newarray[0] = array[1 - i];
return applyLogicalOperation(SATC_NOT, newarray, 1);
}
+ } else if (array[i]->type == LOGICOP) {
+ BooleanLogic *b = (BooleanLogic *)array[i].getBoolean();
+ if (b->replaced) {
+ return rewriteLogicalOperation(op, array, asize);
+ }
}
}
break;
}
case SATC_OR: {
- for (uint i =0; i <asize; i++) {
+ for (uint i = 0; i < asize; i++) {
newarray[i] = applyLogicalOperation(SATC_NOT, array[i]);
}
return applyLogicalOperation(SATC_NOT, applyLogicalOperation(SATC_AND, newarray, asize));
case SATC_AND: {
uint newindex = 0;
for (uint i = 0; i < asize; i++) {
- Boolean *b = array[i];
+ BooleanEdge b = array[i];
+ if (b->type == LOGICOP) {
+ if (((BooleanLogic *)b.getBoolean())->replaced)
+ return rewriteLogicalOperation(op, array, asize);
+ }
if (b->type == BOOLCONST) {
- if (b->isTrue())
+ if (isTrue(b))
continue;
- else
+ else {
return boolFalse;
+ }
} else
newarray[newindex++] = b;
}
} else if (newindex == 1) {
return newarray[0];
} else {
- qsort(newarray, asize, sizeof(Boolean *), ptrcompares);
+ bsdqsort(newarray, newindex, sizeof(BooleanEdge), ptrcompares);
array = newarray;
asize = newindex;
}
Boolean *boolean = new BooleanLogic(this, op, array, asize);
Boolean *b = boolMap.get(boolean);
if (b == NULL) {
+ boolean->updateParents();
boolMap.put(boolean, boolean);
allBooleans.push(boolean);
- return boolean;
+ return BooleanEdge(boolean);
} else {
delete boolean;
- return b;
+ return BooleanEdge(b);
}
}
-Boolean *CSolver::orderConstraint(Order *order, uint64_t first, uint64_t second) {
+BooleanEdge CSolver::orderConstraint(Order *order, uint64_t first, uint64_t second) {
+ // ASSERT(first != second);
+ if (first == second)
+ return getBooleanFalse();
+
+ bool negate = false;
+ if (order->type == SATC_TOTAL) {
+ if (first > second) {
+ uint64_t tmp = first;
+ first = second;
+ second = tmp;
+ negate = true;
+ }
+ }
Boolean *constraint = new BooleanOrder(order, first, second);
- allBooleans.push(constraint);
- return constraint;
+ Boolean *b = boolMap.get(constraint);
+
+ if (b == NULL) {
+ allBooleans.push(constraint);
+ boolMap.put(constraint, constraint);
+ constraint->updateParents();
+ } else {
+ delete constraint;
+ constraint = b;
+ }
+
+ BooleanEdge be = BooleanEdge(constraint);
+ return negate ? be.negate() : be;
}
-void CSolver::addConstraint(Boolean *constraint) {
- if (constraint == boolTrue)
+void CSolver::addConstraint(BooleanEdge constraint) {
+ if (isTrue(constraint))
return;
- else if (constraint == boolFalse)
+ else if (isFalse(constraint)) {
+ int t = 0;
setUnSAT();
+ }
else {
if (constraint->type == LOGICOP) {
- BooleanLogic *b=(BooleanLogic *) constraint;
- if (b->op==SATC_AND) {
- for(uint i=0;i<b->inputs.getSize();i++) {
- addConstraint(b->inputs.get(i));
+ BooleanLogic *b = (BooleanLogic *) constraint.getBoolean();
+ if (!constraint.isNegated()) {
+ if (b->op == SATC_AND) {
+ for (uint i = 0; i < b->inputs.getSize(); i++) {
+ addConstraint(b->inputs.get(i));
+ }
+ return;
}
+ }
+ if (b->replaced) {
+ addConstraint(doRewrite(constraint));
return;
}
}
-
constraints.add(constraint);
+ Boolean *ptr = constraint.getBoolean();
+
+ if (ptr->boolVal == BV_UNSAT) {
+ setUnSAT();
+ }
+
+ replaceBooleanWithTrueNoRemove(constraint);
+ constraint->parents.clear();
}
}
long long startTime = getTimeNano();
computePolarities(this);
+ Preprocess pp(this);
+ pp.doTransform();
+
DecomposeOrderTransform dot(this);
dot.doTransform();
- //This leaks like crazy
- // IntegerEncodingTransform iet(this);
+ //IntegerEncodingTransform iet(this);
//iet.doTransform();
+ //EncodingGraph eg(this);
+ //eg.buildGraph();
+ //eg.encode();
+ //printConstraints();
naiveEncodingDecision(this);
satEncoder->encodeAllSATEncoder(this);
+ model_print("Is problem UNSAT after encoding: %d\n", unsat);
int result = unsat ? IS_UNSAT : satEncoder->solve();
+ model_print("Result Computed in CSolver: %d\n", result);
long long finishTime = getTimeNano();
elapsedTime = finishTime - startTime;
if (deleteTuner) {
return result;
}
+void CSolver::printConstraints() {
+ SetIteratorBooleanEdge *it = getConstraints();
+ while (it->hasNext()) {
+ BooleanEdge b = it->next();
+ if (b.isNegated())
+ model_print("!");
+ b->print();
+ model_print("\n");
+ }
+ delete it;
+
+}
+
+void CSolver::printConstraint(BooleanEdge b) {
+ if (b.isNegated())
+ model_print("!");
+ b->print();
+ model_print("\n");
+}
+
uint64_t CSolver::getElementValue(Element *element) {
switch (element->type) {
case ELEMSET:
exit(-1);
}
-bool CSolver::getBooleanValue(Boolean *boolean) {
+bool CSolver::getBooleanValue(BooleanEdge bedge) {
+ Boolean *boolean = bedge.getBoolean();
switch (boolean->type) {
case BOOLEANVAR:
return getBooleanVariableValueSATTranslator(this, boolean);
projects / satune.git / blobdiff