From 6e75c971f3b238bbf48ec760d83ffd78d27ab590 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 12 Feb 2026 08:55:52 +0000
Subject: [PATCH] Apply std::move to 6 more expr_ref/app_ref variables in smt/
 (batch 2)

Co-authored-by: nunoplopes <2998477+nunoplopes@users.noreply.github.com>
---
 src/smt/dyn_ack.cpp          | 2 +-
 src/smt/smt_internalizer.cpp | 2 +-
 src/smt/smt_parallel.cpp     | 2 +-
 src/smt/theory_recfun.cpp    | 4 ++--
 src/smt/theory_seq.cpp       | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/smt/dyn_ack.cpp b/src/smt/dyn_ack.cpp
index 5ac4e884d..3779911cd 100644
--- a/src/smt/dyn_ack.cpp
+++ b/src/smt/dyn_ack.cpp
@@ -81,7 +81,7 @@ namespace smt {
                     app * eq  = m.mk_eq(arg1, arg2);
                     app_ref neq(m.mk_not(eq), m);
                     if (std::find(lits.begin(), lits.end(), neq.get()) == lits.end()) {
-                        lits.push_back(neq);
+                        lits.push_back(std::move(neq));
                         prs.push_back(mk_hypothesis(m, eq, false, arg1, arg2));
                     }
                 }
diff --git a/src/smt/smt_internalizer.cpp b/src/smt/smt_internalizer.cpp
index dce34a366..e81245094 100644
--- a/src/smt/smt_internalizer.cpp
+++ b/src/smt/smt_internalizer.cpp
@@ -589,7 +589,7 @@ namespace smt {
         app_ref lam_name(m.mk_fresh_const("lambda", q->get_sort()), m);
         app_ref eq(m), lam_app(m);
         expr_ref_vector vars(m);
-        vars.push_back(lam_name);
+        vars.push_back(std::move(lam_name));
         unsigned sz = q->get_num_decls();
         for (unsigned i = 0; i < sz; ++i) 
             vars.push_back(m.mk_var(sz - i - 1, q->get_decl_sort(i)));
diff --git a/src/smt/smt_parallel.cpp b/src/smt/smt_parallel.cpp
index b2c6bf286..952372120 100644
--- a/src/smt/smt_parallel.cpp
+++ b/src/smt/smt_parallel.cpp
@@ -523,7 +523,7 @@ namespace smt {
                 break;
             expr_ref lit(g2l.to());
             lit = g2l(t->get_literal().get());
-            cube.push_back(lit);
+            cube.push_back(std::move(lit));
             t = t->parent();
         }
         return true;
diff --git a/src/smt/theory_recfun.cpp b/src/smt/theory_recfun.cpp
index 9f5d54d43..4f605bf7d 100644
--- a/src/smt/theory_recfun.cpp
+++ b/src/smt/theory_recfun.cpp
@@ -163,7 +163,7 @@ namespace smt {
         SASSERT(!is_enabled_guard(guard));
         app_ref dlimit = m_util.mk_num_rounds_pred(m_num_rounds);
         expr_ref_vector core(m);
-        core.push_back(dlimit);
+        core.push_back(std::move(dlimit));
         core.push_back(guard);
         if (!m_guard2pending.contains(guard)) {
             m_disabled_guards.push_back(guard);
@@ -418,7 +418,7 @@ namespace smt {
         if (u().has_rec_defs() || !m_disabled_guards.empty()) {
             app_ref dlimit = m_util.mk_num_rounds_pred(m_num_rounds);
             TRACEFN("add_theory_assumption " << dlimit);
-            assumptions.push_back(dlimit);
+            assumptions.push_back(std::move(dlimit));
             for (expr* e : m_disabled_guards)
                 assumptions.push_back(m.mk_not(e));
         }
diff --git a/src/smt/theory_seq.cpp b/src/smt/theory_seq.cpp
index 5662edabf..7732bc683 100644
--- a/src/smt/theory_seq.cpp
+++ b/src/smt/theory_seq.cpp
@@ -3350,7 +3350,7 @@ void theory_seq::add_theory_assumptions(expr_ref_vector & assumptions) {
         expr_ref dlimit = m_sk.mk_max_unfolding_depth(m_max_unfolding_depth);
         m_trail_stack.push(value_trail<literal>(m_max_unfolding_lit));
         m_max_unfolding_lit = mk_literal(dlimit);        
-        assumptions.push_back(dlimit);
+        assumptions.push_back(std::move(dlimit));
         for (auto const& kv : m_length_limit_map) {
             if (kv.m_value > 0)
                 assumptions.push_back(m_sk.mk_length_limit(kv.m_key, kv.m_value));