From a1b926fea3e0ccd361cd9a989d48c079fb33d51d Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Mon, 29 Jun 2026 12:30:43 -0700
Subject: [PATCH] guard update to depth bound to avoid overflow

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
---
 src/smt/seq/seq_nielsen.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/smt/seq/seq_nielsen.cpp b/src/smt/seq/seq_nielsen.cpp
index 7ee4143439..c48eda4a70 100644
--- a/src/smt/seq/seq_nielsen.cpp
+++ b/src/smt/seq/seq_nielsen.cpp
@@ -2058,7 +2058,8 @@ namespace seq {
                     return r;
                 }
                 // depth limit hit – double the bound and retry
-                m_depth_bound *= 2;
+                if (m_depth_bound < INT_MAX/2)
+                    m_depth_bound *= 2;
                 SASSERT(m_depth_bound < INT_MAX);
             }
             ++m_stats.m_num_unknown;