diff --git a/scripts/mk_util.py b/scripts/mk_util.py
index 781961259..1fbff9cdb 100644
--- a/scripts/mk_util.py
+++ b/scripts/mk_util.py
@@ -1830,8 +1830,11 @@ class JavaDLLComponent(Component):
             if IS_WINDOWS: # On Windows, CL creates a .lib file to link against.
                 out.write('\t$(SLINK) $(SLINK_OUT_FLAG)libz3java$(SO_EXT) $(SLINK_FLAGS) %s$(OBJ_EXT) libz3$(LIB_EXT)\n' %
                           os.path.join('api', 'java', 'Native'))
+            elif IS_OSX and IS_ARCH_ARM64:
+                out.write('\t$(SLINK) $(SLINK_OUT_FLAG)libz3java$(SO_EXT) $(SLINK_FLAGS) -arch arm64 %s$(OBJ_EXT) libz3$(SO_EXT)\n' %
+                          os.path.join('api', 'java', 'Native'))                
             else:
-                out.write('\t$(SLINK) $(SLINK_OUT_FLAG)libz3java$(SO_EXT) $(SLINK_FLAGS) $(SLINK_EXTRA_FLAGS) %s$(OBJ_EXT) libz3$(SO_EXT)\n' %
+                out.write('\t$(SLINK) $(SLINK_OUT_FLAG)libz3java$(SO_EXT) $(SLINK_FLAGS) %s$(OBJ_EXT) libz3$(SO_EXT)\n' %
                           os.path.join('api', 'java', 'Native'))
             out.write('%s.jar: libz3java$(SO_EXT) ' % self.package_name)
             deps = ''
diff --git a/src/smt/theory_array.cpp b/src/smt/theory_array.cpp
index 9d3e93839..1f842c2ed 100644
--- a/src/smt/theory_array.cpp
+++ b/src/smt/theory_array.cpp
@@ -91,9 +91,9 @@ namespace smt {
         d->m_parent_selects.push_back(s);
         TRACE("array", tout << v << " " << mk_pp(s->get_expr(), m) << " " << mk_pp(get_enode(v)->get_expr(), m) << "\n";);
         m_trail_stack.push(push_back_trail<enode *, false>(d->m_parent_selects));
-        for (enode* n : d->m_stores) {
+        for (enode* n : d->m_stores) 
             instantiate_axiom2a(s, n);
-        }
+
         if (!m_params.m_array_delay_exp_axiom && d->m_prop_upward) {
             for (enode* store : d->m_parent_stores) {
                 SASSERT(is_store(store));
diff --git a/src/smt/theory_array_base.cpp b/src/smt/theory_array_base.cpp
index 1be88a6de..8d545d3b4 100644
--- a/src/smt/theory_array_base.cpp
+++ b/src/smt/theory_array_base.cpp
@@ -179,6 +179,12 @@ namespace smt {
                 conseq_expr = ctx.bool_var2expr(conseq.var());
             }
 
+            if (m.are_distinct(idx1->get_expr(), idx2->get_expr())) {
+                ctx.mark_as_relevant(conseq);
+                assert_axiom(conseq);
+                continue;
+            }
+
             literal ante = mk_eq(idx1->get_expr(), idx2->get_expr(), true);
             ctx.mark_as_relevant(ante);
             // ctx.force_phase(ante);