Hopper: java.lang.OutOfMemoryError: Java heap space

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-389656/

Crash:

java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Java heap space

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 2013.10.17. 21:26
Description: Registering texture

java.lang.OutOfMemoryError: Java heap space
	at bpm.a(SourceFile:196)
	at bpi.b(SourceFile:142)
	at bpi.a(SourceFile:90)
	at bpo.a(SourceFile:72)
	at bpo.a(SourceFile:61)
	at bpo.a(SourceFile:52)
	at ayw.Y(SourceFile:451)
	at ayw.e(SourceFile:685)
	at net.minecraft.client.main.Main.main(SourceFile:103)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at bpm.a(SourceFile:196)
	at bpi.b(SourceFile:142)
	at bpi.a(SourceFile:90)

-- Resource location being registered --
Details:
	Resource location: minecraft:textures/atlas/blocks.png
	Texture object class: bpi
Stacktrace:
	at bpo.a(SourceFile:72)
	at bpo.a(SourceFile:61)
	at bpo.a(SourceFile:52)
	at ayw.Y(SourceFile:451)

-- Initialization --
Details:
Stacktrace:
	at ayw.e(SourceFile:685)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w42a
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 18260072 bytes (17 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 1 total; -Xmx512M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 13w42a
	LWJGL: 2.9.0
	OpenGL: GeForce GT 520/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [faithful32pack.zip, Sphax PureBDcraft 512x MC17.zip]
	Current Language: English (UK)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-389656/18841580/