Incremental solver works and the test case passes

[satune.git] / src / Backend / satencoder.cc

diff --git a/src/Backend/satencoder.cc b/src/Backend/satencoder.cc
old mode 100644 (file)
new mode 100755 (executable)
index b13541d..5312b4f
--- a/src/Backend/satencoder.cc
+++ b/src/Backend/satencoder.cc
@@ -16,7 +16,7 @@
 SATEncoder::SATEncoder(CSolver *_solver) :
        cnf(createCNF()),
        solver(_solver),
-  vector(allocDefVectorEdge()) {
+       vector(allocDefVectorEdge()) {
 }
 
 SATEncoder::~SATEncoder() {
@@ -29,16 +29,29 @@ void SATEncoder::resetSATEncoder() {
        booledgeMap.reset();
 }
 
-int SATEncoder::solve() {
+int SATEncoder::solve(long timeout) {
+       cnf->solver->timeout = timeout;
+       long long startTime = getTimeNano();
+       finishedClauses(cnf->solver);
+       cnf->encodeTime = getTimeNano() - startTime;
+       if(solver->isIncrementalMode()){
+               solver->freezeElementsVariables();
+       }
        return solveCNF(cnf);
 }
 
 void SATEncoder::encodeAllSATEncoder(CSolver *csolver) {
+       if (csolver->isUnSAT()) {
+               return;
+       }
        SetIteratorBooleanEdge *iterator = csolver->getConstraints();
        while (iterator->hasNext()) {
                BooleanEdge constraint = iterator->next();
-               Edge c = encodeConstraintSATEncoder(constraint);
-               addConstraintCNF(cnf, c);
+               if(!csolver->isConstraintEncoded(constraint)){
+                       Edge c = encodeConstraintSATEncoder(constraint);
+                       addConstraintCNF(cnf, c);
+                       csolver->addEncodedConstraint(constraint);
+               }
        }
        delete iterator;
 }