From cf08cdff9c62b8db2805dbd9c4935ccb9569f08d Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Mon, 3 Jan 2022 08:54:54 -0800
Subject: [PATCH] #5747

---
 src/api/python/z3/z3.py      | 4 ++++
 src/sat/smt/arith_solver.cpp | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/api/python/z3/z3.py b/src/api/python/z3/z3.py
index a11061970..2b0286608 100644
--- a/src/api/python/z3/z3.py
+++ b/src/api/python/z3/z3.py
@@ -8789,6 +8789,10 @@ def Product(*args):
         _args, sz = _to_ast_array(args)
         return ArithRef(Z3_mk_mul(ctx.ref(), sz, _args), ctx)
 
+def Abs(arg):
+    """Create the absolute value of an arithmetic expression"""
+    return If(arg > 0, arg, -arg)
+    
 
 def AtMost(*args):
     """Create an at-most Pseudo-Boolean k constraint.
diff --git a/src/sat/smt/arith_solver.cpp b/src/sat/smt/arith_solver.cpp
index 1fa0606c2..80dea338a 100644
--- a/src/sat/smt/arith_solver.cpp
+++ b/src/sat/smt/arith_solver.cpp
@@ -1489,6 +1489,7 @@ namespace arith {
         case OP_MOD:
         case OP_REM:
         case OP_DIV:
+        case OP_IDIV:
         case OP_POWER:
         case OP_IS_INT:
         case OP_TO_INT: