Support for unique variable generation in node manager.

2 files changed, 3 insertions, 1 deletions

diff --git a/src/parser/smt2/Smt2.g b/src/parser/smt2/Smt2.g
index 29d3e45b6..f88b30212 100644
--- a/src/parser/smt2/Smt2.g
+++ b/src/parser/smt2/Smt2.g
@@ -1610,7 +1610,7 @@ term[CVC4::Expr& expr, CVC4::Expr& expr2]
       } else if(f.getKind() == CVC4::kind::SEP_NIL_REF) {
         //We don't want the nil reference to be a constant: for instance, it could be of type Int but is not a const rational.
         //However, the expression has 0 children. So we convert to a SEP_NIL variable.
-        expr = EXPR_MANAGER->mkSepNil(type);
+        expr = EXPR_MANAGER->mkUniqueVar(type, kind::SEP_NIL);
       } else {
         if(f.getType() != type) {
           PARSER_STATE->parseError("Type ascription not satisfied.");
diff --git a/src/parser/smt2/smt2.cpp b/src/parser/smt2/smt2.cpp
index a46eae475..8db344f92 100644
--- a/src/parser/smt2/smt2.cpp
+++ b/src/parser/smt2/smt2.cpp
@@ -368,6 +368,8 @@ void Smt2::setLogic(std::string name) {
       name = "UFBV";
     } else if(name == "SLIA") {
       name = "UFSLIA";
+    } else if(name == "SAT") {
+      name = "UF";
     } else if(name == "ALL_SUPPORTED") {
       //no change
     } else {