additional stuff for sharing,

2 files changed, 3 insertions, 4 deletions

diff --git a/src/theory/bv/theory_bv.cpp b/src/theory/bv/theory_bv.cpp
index c1fa692b9..c977435ec 100644
--- a/src/theory/bv/theory_bv.cpp
+++ b/src/theory/bv/theory_bv.cpp
@@ -224,7 +224,7 @@ Node TheoryBV::getValue(TNode n) {
   }
 }
 
-void TheoryBV::explain(TNode node) {
+Node TheoryBV::explain(TNode node) {
   BVDebug("bitvector") << "TheoryBV::explain(" << node << ")" << std::endl;
 
   TNode equality = node.getKind() == kind::NOT ? node[0] : node;
@@ -237,6 +237,5 @@ void TheoryBV::explain(TNode node) {
     BVDebug("bitvector") << "       assumptions   " << utils::setToString(d_normalization[equality]->assumptions[i]) << std::endl;
     assumptions.insert(vec[i].begin(), vec[i].end());
   }
-  d_out->explanation(utils::mkConjunction(assumptions));
-  return;
+  return utils::mkConjunction(assumptions);
 }
diff --git a/src/theory/bv/theory_bv.h b/src/theory/bv/theory_bv.h
index 5c6797e76..8ab806bd8 100644
--- a/src/theory/bv/theory_bv.h
+++ b/src/theory/bv/theory_bv.h
@@ -145,7 +145,7 @@ public:
 
   void propagate(Effort e) { }
 
-  void explain(TNode n);
+  Node explain(TNode n);
 
   Node getValue(TNode n);