#include "predicate.h"
#include "element.h"
#include "signature.h"
+#include "set.h"
+#include "function.h"
#include <fstream>
#include <regex>
}
void AlloyEnc::encode(){
+ dumpAlloyHeader();
SetIteratorBooleanEdge *iterator = csolver->getConstraints();
Vector<char *> facts;
while(iterator->hasNext()){
return IS_SAT;
}
+void AlloyEnc::dumpAlloyFooter(){
+ output << "pred show {}" << endl;
+ output << "run show for " << sigEnc.getAlloyIntScope() << " int" << endl;
+}
+
+void AlloyEnc::dumpAlloyHeader(){
+ output << "open util/integer" << endl;
+}
+
int AlloyEnc::solve(){
+ dumpAlloyFooter();
int result = IS_INDETER;
char buffer [512];
if( output.is_open()){
output.close();
}
- snprintf(buffer, sizeof(buffer), "./run.sh java edu.mit.csail.sdg.alloy4whole.ExampleAlloyCompilerNoViz %s > %s", alloyFileName, solutionFile);
+ snprintf(buffer, sizeof(buffer), "./run.sh java -Xmx10000m edu.mit.csail.sdg.alloy4whole.ExampleAlloyCompilerNoViz %s > %s", alloyFileName, solutionFile);
int status = system(buffer);
if (status == 0) {
//Read data in from results file
res = encodePredicate((BooleanPredicate *) constraint);
break;
}
+ case BOOLEANVAR:{
+ res = encodeBooleanVar( (BooleanVar *) constraint);
+ break;
+ }
default:
ASSERT(0);
}
}
}
+string AlloyEnc::encodeBooleanVar( BooleanVar *bv){
+ BooleanSig * boolSig = sigEnc.getBooleanSignature(bv);
+ return *boolSig + " = 1";
+}
+
+string AlloyEnc::processElementFunction(ElementFunction* elemFunc, ElementSig *signature){
+ FunctionOperator *function = (FunctionOperator *) elemFunc->getFunction();
+ uint numDomains = elemFunc->inputs.getSize();
+ ASSERT(numDomains > 1);
+ ElementSig *inputs[numDomains];
+ string result;
+ for (uint i = 0; i < numDomains; i++) {
+ Element *elem = elemFunc->inputs.get(i);
+ inputs[i] = sigEnc.getElementSignature(elem);
+ if(elem->type == ELEMFUNCRETURN){
+ result += processElementFunction((ElementFunction *) elem, inputs[i]);
+ }
+ }
+ string op;
+ switch(function->op){
+ case SATC_ADD:
+ op = ".add";
+ break;
+ case SATC_SUB:
+ op = ".sub";
+ break;
+ default:
+ ASSERT(0);
+ }
+ result += *signature + " = " + *inputs[0];
+ for (uint i = 1; i < numDomains; i++) {
+ result += op + "["+ *inputs[i] +"]";
+ }
+ result += "\n";
+ return result;
+}
+
string AlloyEnc::encodeOperatorPredicate(BooleanPredicate *constraint){
+ constraint->print();
PredicateOperator *predicate = (PredicateOperator *) constraint->predicate;
ASSERT(constraint->inputs.getSize() == 2);
+ string str;
Element *elem0 = constraint->inputs.get(0);
- ASSERT(elem0->type = ELEMSET);
+ ASSERT(elem0->type == ELEMSET || elem0->type == ELEMFUNCRETURN || elem0->type == ELEMCONST);
ElementSig *elemSig1 = sigEnc.getElementSignature(elem0);
+ if(elem0->type == ELEMFUNCRETURN){
+ str += processElementFunction((ElementFunction *) elem0, elemSig1);
+ }
Element *elem1 = constraint->inputs.get(1);
- ASSERT(elem1->type = ELEMSET);
+ ASSERT(elem1->type == ELEMSET || elem1->type == ELEMFUNCRETURN || elem1->type == ELEMCONST);
ElementSig *elemSig2 = sigEnc.getElementSignature(elem1);
+ if(elem1->type == ELEMFUNCRETURN){
+ str += processElementFunction((ElementFunction *) elem1, elemSig2);
+ }
switch (predicate->getOp()) {
case SATC_EQUALS:
- return *elemSig1 + " = " + *elemSig2;
+ str += *elemSig1 + " = " + *elemSig2;
+ break;
case SATC_LT:
- return *elemSig1 + " < " + *elemSig2;
+ str += *elemSig1 + " < " + *elemSig2;
+ break;
case SATC_GT:
- return *elemSig1 + " > " + *elemSig2;
+ str += *elemSig1 + " > " + *elemSig2;
+ break;
default:
ASSERT(0);
}
- exit(-1);
+ return str;
}
void AlloyEnc::writeToFile(string str){
output << str << endl;
}
+bool AlloyEnc::getBooleanValue(Boolean *b){
+ if (b->boolVal == BV_MUSTBETRUE)
+ return true;
+ else if (b->boolVal == BV_MUSTBEFALSE)
+ return false;
+ return sigEnc.getBooleanSignature(b);
+}
+
uint64_t AlloyEnc::getValue(Element * element){
+ ElementEncoding *elemEnc = element->getElementEncoding();
+ if (elemEnc->numVars == 0)//case when the set has only one item
+ return element->getRange()->getElement(0);
return sigEnc.getValue(element);
}