From d962b9ca0181b94cf6adcfd35eabede015de55c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Lema=C5=84czyk?= <marek@lemanczyk.eu>
Date: Mon, 15 Sep 2025 14:23:28 +0200
Subject: [PATCH] Iterate p only until reaching the maximum p from the input
 file to prevent infinite loops with p increase.

---
 EvenPerfectBitScanner/Program.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/EvenPerfectBitScanner/Program.cs b/EvenPerfectBitScanner/Program.cs
index 0b7452d..7c7d317 100644
--- a/EvenPerfectBitScanner/Program.cs
+++ b/EvenPerfectBitScanner/Program.cs
@@ -523,6 +523,7 @@ internal static class Program
 
 		bool useFilter = !string.IsNullOrEmpty(filterFile);
 		HashSet<ulong> filter = [];
+		ulong maxP = 0UL;
 		if (useFilter)
 		{
 			Console.WriteLine("Loading filter...");
@@ -532,6 +533,10 @@ internal static class Program
 				{
 					Console.WriteLine($"Adding {p}");
 					filter.Add(p);
+					if (p > maxP)
+					{
+						maxP = p;
+					}
 				}
 			});
 
@@ -608,6 +613,11 @@ internal static class Program
 
 							isPerfect = IsEvenPerfectCandidate(p, divisorCyclesSearchLimit, out searchedMersenne, out detailedCheck);
 							PrintResult(p, searchedMersenne, detailedCheck, isPerfect);
+							if (p == maxP)
+							{
+								Volatile.Write(ref _limitReached, true);
+								break;
+							}
 						}
 					}
 				}