From 893bcbb5852a128cf05a467c13e11a85b9cf9f5f Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Sun, 13 Aug 2017 14:39:37 -0700
Subject: [PATCH] revert unsound change in integer extraction from expressions

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
---
 src/smt/theory_str.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/smt/theory_str.cpp b/src/smt/theory_str.cpp
index 5eabc5d62..052fd705f 100644
--- a/src/smt/theory_str.cpp
+++ b/src/smt/theory_str.cpp
@@ -4667,6 +4667,7 @@ namespace smt {
             return true;
         } else {
             TRACE("str", tout << "root of eqc of " << mk_pp(e, m) << " is not a numeral" << std::endl;);
+            return false;
             theory_mi_arith* tha = get_th_arith(ctx, m_autil.get_family_id(), e);
             if (!tha) return false;
             expr_ref val_e(m);