---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 16/09/13 17:41
Description: Ticking entity

java.lang.OutOfMemoryError: Java heap space
	at java.util.ArrayList.<init>(Unknown Source)
	at java.util.ArrayList.<init>(Unknown Source)
	at add.a(SourceFile:2121)
	at add.b(SourceFile:2117)
	at add.a(SourceFile:971)
	at ol.d(SourceFile:483)
	at tr.h(SourceFile:81)
	at add.a(SourceFile:1372)
	at km.a(SourceFile:479)
	at add.g(SourceFile:1350)
	at add.h(SourceFile:1257)
	at km.h(SourceFile:364)
	at net.minecraft.server.MinecraftServer.u(SourceFile:465)
	at net.minecraft.server.MinecraftServer.t(SourceFile:400)
	at bnz.t(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:334)
	at jb.run(SourceFile:577)


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

-- Head --
Stacktrace:
	at java.util.ArrayList.<init>(Unknown Source)
	at java.util.ArrayList.<init>(Unknown Source)
	at add.a(SourceFile:2121)
	at add.b(SourceFile:2117)
	at add.a(SourceFile:971)
	at ol.d(SourceFile:483)
	at tr.h(SourceFile:81)
	at add.a(SourceFile:1372)
	at km.a(SourceFile:479)
	at add.g(SourceFile:1350)

-- Entity being ticked --
Details:
	Entity Type: FallingSand (tr)
	Entity ID: 18757
	Entity Name: Bloc sensible ŕ la gravité
	Entity's Exact location: 168,50, -77,58, -958,50
	Entity's Block location: World: (168,-78,-959), Chunk: (at 8,-5,1 in 10,-60; contains blocks 160,0,-960 to 175,255,-945), Region: (0,-2; contains chunks 0,-64 to 31,-33, blocks 0,0,-1024 to 511,255,-513)
	Entity's Momentum: 0,00, -1,62, 0,00
	Immitating block ID: 12
	Immitating block data: 0
Stacktrace:
	at add.h(SourceFile:1257)
	at km.h(SourceFile:364)

-- Affected level --
Details:
	Level name: Baleine
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 440 Drop: 0
	Level seed: -9019386868522145473
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 2;8x12;2;stronghold,biome_1,village,decoration,dungeon,mineshaft
	Level spawn location: World: (188,4,-973), Chunk: (at 12,0,3 in 11,-61; contains blocks 176,0,-976 to 191,255,-961), Region: (0,-2; contains chunks 0,-64 to 31,-33, blocks 0,0,-1024 to 511,255,-513)
	Level time: 452 game time, 452 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 177074 (now: false), thunder time: 47912 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.u(SourceFile:465)
	at net.minecraft.server.MinecraftServer.t(SourceFile:400)
	at bnz.t(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:334)
	at jb.run(SourceFile:577)

-- System Details --
Details:
	Minecraft Version: 13w37b
	Operating System: Windows 8 (x86) version 6.2
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 8839904 bytes (8 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 355744 (19921664 bytes; 18 MB) allocated, 69399 (3886344 bytes; 3 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 263 (14728 bytes; 0 MB) allocated, 8 (448 bytes; 0 MB) used
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.