Fixing Tim's subtype/solving bug for arrays

1 files changed, 2 insertions, 2 deletions

diff --git a/src/theory/arrays/theory_arrays.cpp b/src/theory/arrays/theory_arrays.cpp
index 8aad67883..7569b3e93 100644
--- a/src/theory/arrays/theory_arrays.cpp
+++ b/src/theory/arrays/theory_arrays.cpp
@@ -316,11 +316,11 @@ Theory::PPAssertStatus TheoryArrays::ppAssert(TNode in, SubstitutionMap& outSubs
     {
       d_ppFacts.push_back(in);
       d_ppEqualityEngine.assertEquality(in, true, in);
-      if (in[0].isVar() && !in[1].hasSubterm(in[0])) {
+      if (in[0].isVar() && !in[1].hasSubterm(in[0]) && (in[1].getType()).isSubtypeOf(in[0].getType()) ){
         outSubstitutions.addSubstitution(in[0], in[1]);
         return PP_ASSERT_STATUS_SOLVED;
       }
-      if (in[1].isVar() && !in[0].hasSubterm(in[1])) {
+      if (in[1].isVar() && !in[0].hasSubterm(in[1]) && (in[0].getType()).isSubtypeOf(in[1].getType())){
         outSubstitutions.addSubstitution(in[1], in[0]);
         return PP_ASSERT_STATUS_SOLVED;
       }