From db2b52ca030085e718fbe400214c644d4c3ba859 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 29 Mar 2025 16:54:10 -0700
Subject: [PATCH] Bug fix.

---
 src/base/abc/abcUtil.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/base/abc/abcUtil.c b/src/base/abc/abcUtil.c
index 812256a1d..6de7b50e7 100644
--- a/src/base/abc/abcUtil.c
+++ b/src/base/abc/abcUtil.c
@@ -3378,6 +3378,8 @@ int Abc_NtkMatchGpcPattern( Vec_Int_t * vRanks, int i, char * pGPC )
 {
     int k, Cur, Min = ABC_INFINITY;
     for ( k = 0; pGPC[k] != ':' && i+k < Vec_IntSize(vRanks); k++ ) {
+        if ( Abc_TtReadHexDigit(pGPC[k]) == 0 ) 
+            continue;
         Cur = Vec_IntEntry(vRanks, i+k) / Abc_TtReadHexDigit(pGPC[k]);
         if ( Min > Cur )
             Min = Cur;