Stall report from 2018-06-30 23:32:11 +0100, 111 threads, stalled for at least 960000 ms.
Heap memory usage: 3994 / 7516 MB (max. 7516 MB).
Created by Sampler 1.60 (MC 1.7.10).

"Server thread" #19 prio=5
RUNNABLE
	at java.lang.System.identityHashCode(Native Method)
	at java.util.HashMap$TreeNode.tieBreakOrder(HashMap.java:1901)
	at java.util.HashMap$TreeNode.putTreeVal(HashMap.java:1997)
	at java.util.HashMap.putVal(HashMap.java:638)
	at java.util.HashMap.put(HashMap.java:612)
	at java.util.HashSet.add(HashSet.java:220)
	at com.builtbroken.mffs.prefab.tile.TileFieldMatrix.getInteriorPoints(TileFieldMatrix.java:312)
	at com.builtbroken.mffs.content.interdiction.TileInterdictionMatrix.scan(TileInterdictionMatrix.java:135)
	at com.builtbroken.mffs.content.interdiction.TileInterdictionMatrix.func_145845_h(TileInterdictionMatrix.java:92)
	at net.minecraft.world.World.func_72939_s(World.java:2583)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:673)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:986)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
	at java.lang.Thread.run(Thread.java:748)