Game is unable to launch

Minecraft has crashed!      
      ----------------------      

Minecraft has stopped running because it encountered a problem; Failed to start game

A full error report has been saved to /Users/andyrudd/Library/Application Support/minecraft/crash-reports/crash-2013-04-07_15.05.35-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash :(



--- BEGIN ERROR REPORT dc447bc7 --------
Full report at:
/Users/andyrudd/Library/Application Support/minecraft/crash-reports/crash-2013-04-07_15.05.35-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 4/7/13 3:05 PM

-- System Details --
Details:
	Minecraft Version: 1.5.1
	Operating System: Mac OS X (x86_64) version 10.7.5
	Java Version: 1.6.0_43, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 386957752 bytes (369 MB) / 534708224 bytes (509 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.4.2
	OpenGL: ATI Radeon HD 6770M OpenGL Engine GL version 2.1 ATI-7.32.12, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Texture Pack: Inter Realistic Texture Pack 512
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

bio
	at bin.d(SourceFile:84)
	at bis.b(SourceFile:95)
	at bgf.d(SourceFile:350)
	at net.minecraft.client.Minecraft.a(SourceFile:298)
	at avv.a(SourceFile:56)
	at net.minecraft.client.Minecraft.run(SourceFile:507)
	at java.lang.Thread.run(Thread.java:680)
--- END ERROR REPORT 4b0d7407 ----------