Incremental solver works and the test case passes

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

diff --git a/src/Backend/constraint.cc b/src/Backend/constraint.cc
index f92c223e528cca00163ffd4aaa5844269d30aa98..52461012e1d4c36162651ebd06e55ce69c597b51 100644 (file)
--- a/src/Backend/constraint.cc
+++ b/src/Backend/constraint.cc
@@ -589,6 +589,11 @@ void addClause(CNF *cnf, uint numliterals, int *literals) {
        addArrayClauseLiteral(cnf->solver, numliterals, literals);
 }
 
+void freezeVariable(CNF *cnf, Edge e){
+       int literal = getEdgeVar(e);
+       freeze(cnf->solver, literal);
+}
+
 void outputCNFOR(CNF *cnf, Edge cnfform, Edge eorvar) {
        Node *andNode = cnfform.node_ptr;
        int orvar = getEdgeVar(eorvar);
@@ -696,13 +701,10 @@ Edge constraintNewVar(CNF *cnf) {
 }
 
 int solveCNF(CNF *cnf) {
-       long long startTime = getTimeNano();
-       finishedClauses(cnf->solver);
        long long startSolve = getTimeNano();
        model_print("#Clauses = %u\t#Vars = %u\n", cnf->clausecount, cnf->varcount);
        int result = cnf->unsat ? IS_UNSAT : solve(cnf->solver);
        long long finishTime = getTimeNano();
-       cnf->encodeTime = startSolve - startTime;
        model_print("CNF Encode time: %f\n", cnf->encodeTime / 1000000000.0);
        cnf->solveTime = finishTime - startSolve;
        model_print("SAT Solving time: %f\n", cnf->solveTime / 1000000000.0);