From 239d9ecf1afc663803191c7347fee97d9089b982 Mon Sep 17 00:00:00 2001
From: Aina Niemetz <aina.niemetz@gmail.com>
Date: Wed, 7 Jul 2021 11:36:15 -0700
Subject: [PATCH] Rename operator pow2 to int.pow2. (#6849)

This name is the name of the symbol we parse. Internally, we still call
it POW2. This is a fix for the problem that `pow2` may clash (and
already does clash on SMT-LIB benchmarks) with user-defined symbols.
---
 src/parser/smt2/smt2.cpp                    | 2 +-
 test/regress/regress0/nl/pow2-native-0.smt2 | 2 +-
 test/regress/regress0/nl/pow2-native-1.smt2 | 2 +-
 test/regress/regress0/nl/pow2-native-2.smt2 | 2 +-
 test/regress/regress0/nl/pow2-native-3.smt2 | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/parser/smt2/smt2.cpp b/src/parser/smt2/smt2.cpp
index ec4ab6ae6..2a39a6208 100644
--- a/src/parser/smt2/smt2.cpp
+++ b/src/parser/smt2/smt2.cpp
@@ -566,7 +566,7 @@ Command* Smt2::setLogic(std::string name, bool fromCommand)
       // integer version of AND
       addIndexedOperator(api::IAND, api::IAND, "iand");
       // pow2
-      addOperator(api::POW2, "pow2");
+      addOperator(api::POW2, "int.pow2");
     }
   }
 
diff --git a/test/regress/regress0/nl/pow2-native-0.smt2 b/test/regress/regress0/nl/pow2-native-0.smt2
index f88ac4151..066819108 100644
--- a/test/regress/regress0/nl/pow2-native-0.smt2
+++ b/test/regress/regress0/nl/pow2-native-0.smt2
@@ -2,5 +2,5 @@
 (set-logic QF_NIA)
 (declare-fun x () Int)
 (assert (< x 0))
-(assert (distinct (pow2 x) 0))
+(assert (distinct (int.pow2 x) 0))
 (check-sat)
diff --git a/test/regress/regress0/nl/pow2-native-1.smt2 b/test/regress/regress0/nl/pow2-native-1.smt2
index 1e24ae572..c180d44aa 100644
--- a/test/regress/regress0/nl/pow2-native-1.smt2
+++ b/test/regress/regress0/nl/pow2-native-1.smt2
@@ -4,6 +4,6 @@
 (declare-fun x () Int)
 
 (assert (and (<= 0 x) (< x 16)))
-(assert (> (pow2 x) 0))
+(assert (> (int.pow2 x) 0))
 
 (check-sat)
diff --git a/test/regress/regress0/nl/pow2-native-2.smt2 b/test/regress/regress0/nl/pow2-native-2.smt2
index ba0621dbc..b5e742c51 100644
--- a/test/regress/regress0/nl/pow2-native-2.smt2
+++ b/test/regress/regress0/nl/pow2-native-2.smt2
@@ -4,6 +4,6 @@
 (declare-fun x () Int)
 
 (assert (and (<= 0 x) (< x 16)))
-(assert (< (pow2 x) x))
+(assert (< (int.pow2 x) x))
 
 (check-sat)
diff --git a/test/regress/regress0/nl/pow2-native-3.smt2 b/test/regress/regress0/nl/pow2-native-3.smt2
index 45975a474..23c7852aa 100644
--- a/test/regress/regress0/nl/pow2-native-3.smt2
+++ b/test/regress/regress0/nl/pow2-native-3.smt2
@@ -7,6 +7,6 @@
 (assert (<= 0 x))
 (assert (<= 0 y))
 (assert (< x y))
-(assert (> (pow2 x) (pow2 y)))
+(assert (> (int.pow2 x) (int.pow2 y)))
 
 (check-sat)
-- 
2.30.2