fix #6128

Z3Prover · Jul 12, 2022 · 43cf053 · 43cf053
1 parent faf6c02
commit 43cf053
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/src/smt/smt_model_checker.cpp b/src/smt/smt_model_checker.cpp
@@ -258,7 +258,7 @@ namespace smt {
             bindings.set(num_decls - i - 1, sk_value);
         }
 
-        TRACE("model_checker", tout << q->get_qid() << " found (use_inv: " << use_inv << ") new instance: " << bindings << "\n" << defs << "\n";);
+        TRACE("model_checker", tout << q->get_qid() << " found (use_inv: " << use_inv << ") new instance: " << bindings << "\ndefs:\n" << defs << "\n";);
         if (!defs.empty()) def = mk_and(defs);
         max_generation = std::max(m_qm->get_generation(q), max_generation);
         add_instance(q, bindings, max_generation, def.get());

diff --git a/src/smt/theory_array_full.cpp b/src/smt/theory_array_full.cpp
@@ -594,10 +594,13 @@ namespace smt {
         if (!ctx.add_fingerprint(this, m_default_lambda_fingerprint, 1, &arr))
             return false;
         m_stats.m_num_default_lambda_axiom++;
-        expr* def = mk_default(arr->get_expr());
+        expr* e = arr->get_expr();
+        expr* def = mk_default(e);
         quantifier* lam = m.is_lambda_def(arr->get_decl());
-        expr_ref_vector args(m);
-        args.push_back(lam);
+        TRACE("array", tout << mk_pp(lam, m) << "\n" << mk_pp(e, m) << "\n");
+        expr_ref_vector args(m);       
+        var_subst subst(m, false);
+        args.push_back(subst(lam, to_app(e)->get_num_args(), to_app(e)->get_args()));
         for (unsigned i = 0; i < lam->get_num_decls(); ++i) 
             args.push_back(mk_epsilon(lam->get_decl_sort(i)).first);
         expr_ref val(mk_select(args), m);