Program: 34712
Project: 34712
Buggy source:
private boolean destroyBlocksInAABB(AxisAlignedBB aabb){
  if (!worldObj.getGameRules().getGameRuleBooleanValue("String_Node_Str"))   return false;
  boolean wasBlocked=false;
  boolean spawnParticles=false;
  int minX=MathUtil.floor(aabb.minX - Math.min(3,rand.nextGaussian() * 2.5D - 0.25D));
  int minY=MathUtil.floor(aabb.minY - Math.min(3,rand.nextGaussian() * 2.5D - 0.25D));
  int minZ=MathUtil.floor(aabb.minZ - Math.min(3,rand.nextGaussian() * 2.5D - 0.25D));
  int maxX=MathUtil.floor(aabb.maxX + Math.min(3,rand.nextGaussian() * 2.5D - 0.25D));
  int maxY=MathUtil.floor(aabb.maxY + Math.min(3,rand.nextGaussian() * 2.5D - 0.25D));
  int maxZ=MathUtil.floor(aabb.maxZ + Math.min(3,rand.nextGaussian() * 2.5D - 0.25D));
  double rad=2.8D + Math.min((aabb.maxX - aabb.minX) * 0.5D,(aabb.maxZ - aabb.minZ) * 0.5D);
  int cx=(int)((aabb.maxX - aabb.minX) * 0.5D + aabb.minX);
  int cy=(int)((aabb.maxY - aabb.minY) * 0.5D + aabb.minY);
  int cz=(int)((aabb.maxZ - aabb.minZ) * 0.5D + aabb.minZ);
  for (int xx=minX; xx <= maxX; xx++) {
    for (int yy=minY; yy <= maxY; yy++) {
      for (int zz=minZ; zz <= maxZ; zz++) {
        Block block=worldObj.getBlock(xx,yy,zz);
        if (angryStatus && block == BlockList.obsidian_falling) {
          worldObj.setBlockToAir(xx,yy,zz);
          EntityBlockFallingObsidian obsidian=new EntityBlockFallingObsidian(worldObj,xx,yy,zz);
          obsidian.motionY=-0.2;
          worldObj.spawnEntityInWorld(obsidian);
          spawnParticles=true;
        }
 else         if (block == Blocks.bedrock || (!angryStatus && (block == Blocks.obsidian || block == BlockList.obsidian_falling || (block == Blocks.iron_bars && worldObj.getBlock(xx,yy - 1,zz) == BlockList.obsidian_falling)))) {
          wasBlocked=true;
        }
 else         if (MathUtil.distance(xx - cx,yy - cy,zz - cz) <= rad + 0.3D * rand.nextDouble()) {
          spawnParticles=worldObj.setBlockToAir(xx,yy,zz) || spawnParticles;
        }
      }
    }
  }
  if (spawnParticles)   worldObj.spawnParticle("String_Node_Str",aabb.minX + (aabb.maxX - aabb.minX) * rand.nextFloat(),aabb.minY + (aabb.maxY - aabb.minY) * rand.nextFloat(),aabb.minZ + (aabb.maxZ - aabb.minZ) * rand.nextFloat(),0D,0D,0D);
  return wasBlocked;
}

Fixed version (ground truth):
private boolean destroyBlocksInAABB(AxisAlignedBB aabb){
  if (!worldObj.getGameRules().getGameRuleBooleanValue("String_Node_Str"))   return false;
  boolean wasBlocked=false;
  boolean spawnParticles=false;
  int minX=MathUtil.floor(aabb.minX + 0.5D - rand.nextDouble() * rand.nextDouble() * 5D);
  int minY=MathUtil.floor(aabb.minY + 0.5D - rand.nextDouble() * rand.nextDouble() * 5D);
  int minZ=MathUtil.floor(aabb.minZ + 0.5D - rand.nextDouble() * rand.nextDouble() * 5D);
  int maxX=MathUtil.floor(aabb.maxX - 0.5D + rand.nextDouble() * rand.nextDouble() * 5D);
  int maxY=MathUtil.floor(aabb.maxY - 0.5D + rand.nextDouble() * rand.nextDouble() * 5D);
  int maxZ=MathUtil.floor(aabb.maxZ - 0.5D + rand.nextDouble() * rand.nextDouble() * 5D);
  double rad=2.8D + Math.min((aabb.maxX - aabb.minX) * 0.5D,(aabb.maxZ - aabb.minZ) * 0.5D);
  int cx=(int)((aabb.maxX - aabb.minX) * 0.5D + aabb.minX);
  int cy=(int)((aabb.maxY - aabb.minY) * 0.5D + aabb.minY);
  int cz=(int)((aabb.maxZ - aabb.minZ) * 0.5D + aabb.minZ);
  for (int xx=minX; xx <= maxX; xx++) {
    for (int yy=minY; yy <= maxY; yy++) {
      for (int zz=minZ; zz <= maxZ; zz++) {
        Block block=worldObj.getBlock(xx,yy,zz);
        if (angryStatus && block == BlockList.obsidian_falling) {
          worldObj.setBlockToAir(xx,yy,zz);
          EntityBlockFallingObsidian obsidian=new EntityBlockFallingObsidian(worldObj,xx,yy,zz);
          obsidian.motionY=-0.2;
          worldObj.spawnEntityInWorld(obsidian);
          spawnParticles=true;
        }
 else         if (block == Blocks.bedrock || (!angryStatus && (block == Blocks.obsidian || block == BlockList.obsidian_falling || (block == Blocks.iron_bars && worldObj.getBlock(xx,yy - 1,zz) == BlockList.obsidian_falling)))) {
          wasBlocked=true;
        }
 else         if (MathUtil.distance(xx - cx,yy - cy,zz - cz) <= rad + (0.9D * rand.nextDouble() - 0.4D)) {
          spawnParticles=worldObj.setBlockToAir(xx,yy,zz) || spawnParticles;
        }
      }
    }
  }
  if (spawnParticles)   worldObj.spawnParticle("String_Node_Str",aabb.minX + (aabb.maxX - aabb.minX) * rand.nextFloat(),aabb.minY + (aabb.maxY - aabb.minY) * rand.nextFloat(),aabb.minZ + (aabb.maxZ - aabb.minZ) * rand.nextFloat(),0D,0D,0D);
  return wasBlocked;
}