Program: 133928
Project: 133928
Buggy source:
/** 
 * Progresses LavaFlow by 1 tick. This is the heart of the ability, it determines whether or not the LavaFlow type is Click/Sneaking, and it will remove the ability if any issues arise.
 */
@Override public void progress(){
  if (shiftCounter > 0 && type == AbilityType.SHIFT) {
    remove();
    return;
  }
 else   if (removing) {
    return;
  }
 else   if (player.isDead() || !player.isOnline()) {
    remove();
    return;
  }
  Random random=new Random();
  if (type == AbilityType.SHIFT) {
    if (System.currentTimeMillis() - time > shiftRemoveDelay) {
      remove();
      return;
    }
    if (!player.isSneaking() && !removing) {
      if (affectedBlocks.size() > 0) {
        removeOnDelay();
        removing=true;
        bPlayer.addCooldown("String_Node_Str",shiftCooldown);
      }
 else {
        remove();
      }
      return;
    }
    if (!bPlayer.canBendIgnoreCooldowns(this)) {
      remove();
      return;
    }
 else     if (origin == null) {
      origin=player.getLocation().clone().add(0,-1,0);
      if (!isEarthbendable(origin.getBlock()) && origin.getBlock().getType() != Material.GLOWSTONE) {
        remove();
        return;
      }
    }
    for (double x=-currentRadius; x <= currentRadius + particleOffset; x++) {
      for (double z=-currentRadius; z < currentRadius + particleOffset; z++) {
        Location loc=origin.clone().add(x,0,z);
        Block block=GeneralMethods.getTopBlock(loc,upwardFlow,downwardFlow);
        if (block == null) {
          continue;
        }
        double dSquared=distanceSquaredXZ(block.getLocation(),origin);
        if (!isLava(block) && dSquared > Math.pow(shiftPlatformRadius,2)) {
          if (dSquared < Math.pow(currentRadius,2) && !GeneralMethods.isRegionProtectedFromBuild(this,block.getLocation())) {
            if (dSquared < shiftPlatformRadius * 4 || getAdjacentLavaBlocks(block.getLocation()).size() > 0) {
              createLava(block);
            }
          }
 else           if (Math.random() < particleDensity && dSquared < Math.pow(currentRadius + particleDensity,2) && currentRadius + particleDensity < shiftMaxRadius && random.nextInt(3) == 0) {
            ParticleEffect.LAVA.display(loc,(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
          }
        }
      }
      if (!shiftIsFinished) {
        if (random.nextInt(10) == 0) {
          ParticleEffect.LAVA.display(player.getLocation(),(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
        }
      }
      currentRadius+=shiftFlowSpeed;
      if (currentRadius > shiftMaxRadius) {
        currentRadius=shiftMaxRadius;
        shiftIsFinished=true;
      }
    }
  }
 else   if (type == AbilityType.CLICK) {
    long curTime=System.currentTimeMillis() - time;
    double delay=makeLava ? clickLavaDelay : clickLandDelay;
    if (makeLava && curTime > clickLavaCleanupDelay) {
      remove();
      return;
    }
 else     if (!makeLava && curTime > clickLandCleanupDelay) {
      remove();
      return;
    }
 else     if (!makeLava && curTime < delay) {
      return;
    }
 else     if (makeLava && curTime < delay) {
      for (double x=-clickLavaRadius; x <= clickLavaRadius; x++) {
        for (double z=-clickLavaRadius; z <= clickLavaRadius; z++) {
          Location loc=origin.clone().add(x,0,z);
          Block tempBlock=GeneralMethods.getTopBlock(loc,upwardFlow,downwardFlow);
          if (tempBlock != null && !isLava(tempBlock) && Math.random() < particleDensity && tempBlock.getLocation().distanceSquared(origin) <= Math.pow(clickLavaRadius,2)) {
            if (random.nextInt(3) == 0) {
              ParticleEffect.LAVA.display(loc,(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
            }
          }
        }
      }
      return;
    }
    if (!clickIsFinished) {
      clickIsFinished=true;
      double radius=makeLava ? clickLavaRadius : clickLandRadius;
      for (double x=-radius; x <= radius; x++) {
        for (double z=-radius; z <= radius; z++) {
          Location loc=origin.clone().add(x,0,z);
          Block tempBlock=GeneralMethods.getTopBlock(loc,upwardFlow,downwardFlow);
          if (tempBlock == null) {
            continue;
          }
          double dSquared=distanceSquaredXZ(tempBlock.getLocation(),origin);
          if (dSquared < Math.pow(radius,2) && !GeneralMethods.isRegionProtectedFromBuild(this,loc)) {
            if (makeLava && !isLava(tempBlock)) {
              clickIsFinished=false;
              if (Math.random() < lavaCreateSpeed) {
                createLava(tempBlock);
              }
 else {
                if (random.nextInt(4) == 0) {
                  ParticleEffect.LAVA.display(loc,(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
                }
              }
            }
 else             if (!makeLava && isLava(tempBlock)) {
              clickIsFinished=false;
              if (Math.random() < landCreateSpeed) {
                removeLava(tempBlock);
              }
            }
          }
        }
      }
      return;
    }
  }
}

Fixed version (ground truth):
/** 
 * Progresses LavaFlow by 1 tick. This is the heart of the ability, it determines whether or not the LavaFlow type is Click/Sneaking, and it will remove the ability if any issues arise.
 */
@Override public void progress(){
  if (shiftCounter > 0 && type == AbilityType.SHIFT) {
    remove();
    return;
  }
 else   if (removing) {
    return;
  }
 else   if (player.isDead() || !player.isOnline()) {
    remove();
    return;
  }
  Random random=new Random();
  if (type == AbilityType.SHIFT) {
    if (System.currentTimeMillis() - time > shiftRemoveDelay) {
      remove();
      return;
    }
    if (!player.isSneaking() && !removing) {
      if (affectedBlocks.size() > 0) {
        removeOnDelay();
        removing=true;
        bPlayer.addCooldown("String_Node_Str",shiftCooldown);
      }
 else {
        remove();
      }
      return;
    }
    if (!bPlayer.canBendIgnoreCooldowns(this)) {
      remove();
      return;
    }
 else     if (origin == null) {
      origin=player.getLocation().clone().add(0,-1,0);
      if (!isEarthbendable(origin.getBlock()) && origin.getBlock().getType() != Material.GLOWSTONE) {
        remove();
        return;
      }
    }
    for (double x=-currentRadius; x <= currentRadius + particleOffset; x++) {
      for (double z=-currentRadius; z < currentRadius + particleOffset; z++) {
        Location loc=origin.clone().add(x,0,z);
        Block block=GeneralMethods.getTopBlock(loc,upwardFlow,downwardFlow);
        if (block == null) {
          continue;
        }
        double dSquared=distanceSquaredXZ(block.getLocation(),origin);
        if (dSquared > Math.pow(shiftPlatformRadius,2)) {
          if (dSquared < Math.pow(currentRadius,2) && !GeneralMethods.isRegionProtectedFromBuild(this,block.getLocation())) {
            if (dSquared < shiftPlatformRadius * 4 || getAdjacentLavaBlocks(block.getLocation()).size() > 0) {
              if (!isLava(block)) {
                if (isPlant(block)) {
                  Block lower=block.getRelative(BlockFace.DOWN);
                  if (isPlant(lower)) {
                    Block lower2=lower.getRelative(BlockFace.DOWN);
                    if (!isEarth(lower2) && !isSand(lower2) && !isMetal(lower2)) {
                      continue;
                    }
                    block.breakNaturally();
                    lower.breakNaturally();
                    createLava(lower2);
                  }
 else {
                    if (!isEarth(lower) && !isSand(lower) && !isMetal(lower)) {
                      continue;
                    }
                    block.breakNaturally();
                    createLava(lower);
                  }
                }
 else {
                  if (!isEarth(block) && !isSand(block) && !isMetal(block)) {
                    continue;
                  }
                  createLava(block);
                }
              }
            }
          }
 else           if (Math.random() < particleDensity && dSquared < Math.pow(currentRadius + particleDensity,2) && currentRadius + particleDensity < shiftMaxRadius && random.nextInt(3) == 0) {
            ParticleEffect.LAVA.display(loc,(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
          }
        }
      }
      if (!shiftIsFinished) {
        if (random.nextInt(10) == 0) {
          ParticleEffect.LAVA.display(player.getLocation(),(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
        }
      }
      currentRadius+=shiftFlowSpeed;
      if (currentRadius > shiftMaxRadius) {
        currentRadius=shiftMaxRadius;
        shiftIsFinished=true;
      }
    }
  }
 else   if (type == AbilityType.CLICK) {
    long curTime=System.currentTimeMillis() - time;
    double delay=makeLava ? clickLavaDelay : clickLandDelay;
    if (makeLava && curTime > clickLavaCleanupDelay) {
      remove();
      return;
    }
 else     if (!makeLava && curTime > clickLandCleanupDelay) {
      remove();
      return;
    }
 else     if (!makeLava && curTime < delay) {
      return;
    }
 else     if (makeLava && curTime < delay) {
      for (double x=-clickLavaRadius; x <= clickLavaRadius; x++) {
        for (double z=-clickLavaRadius; z <= clickLavaRadius; z++) {
          Location loc=origin.clone().add(x,0,z);
          Block tempBlock=GeneralMethods.getTopBlock(loc,upwardFlow,downwardFlow);
          if (tempBlock != null && !isLava(tempBlock) && Math.random() < particleDensity && tempBlock.getLocation().distanceSquared(origin) <= Math.pow(clickLavaRadius,2)) {
            if (random.nextInt(3) == 0) {
              ParticleEffect.LAVA.display(loc,(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
            }
          }
        }
      }
      return;
    }
    if (!clickIsFinished) {
      clickIsFinished=true;
      double radius=makeLava ? clickLavaRadius : clickLandRadius;
      for (double x=-radius; x <= radius; x++) {
        for (double z=-radius; z <= radius; z++) {
          Location loc=origin.clone().add(x,0,z);
          Block tempBlock=GeneralMethods.getTopBlock(loc,upwardFlow,downwardFlow);
          if (tempBlock == null) {
            continue;
          }
          double dSquared=distanceSquaredXZ(tempBlock.getLocation(),origin);
          if (dSquared < Math.pow(radius,2) && !GeneralMethods.isRegionProtectedFromBuild(this,loc)) {
            if (makeLava && !isLava(tempBlock)) {
              clickIsFinished=false;
              if (Math.random() < lavaCreateSpeed) {
                if (!isLava(tempBlock)) {
                  if (isPlant(tempBlock)) {
                    Block lower=tempBlock.getRelative(BlockFace.DOWN);
                    if (isPlant(lower)) {
                      Block lower2=lower.getRelative(BlockFace.DOWN);
                      if (!isEarth(lower2) && !isSand(lower2) && !isMetal(lower2)) {
                        continue;
                      }
                      tempBlock.breakNaturally();
                      lower.breakNaturally();
                      createLava(lower2);
                    }
 else {
                      if (!isEarth(lower) && !isSand(lower) && !isMetal(lower)) {
                        continue;
                      }
                      tempBlock.breakNaturally();
                      createLava(lower);
                    }
                  }
 else {
                    if (!isEarth(tempBlock) && !isSand(tempBlock) && !isMetal(tempBlock)) {
                      continue;
                    }
                    createLava(tempBlock);
                  }
                }
              }
 else {
                if (random.nextInt(4) == 0) {
                  ParticleEffect.LAVA.display(loc,(float)Math.random(),(float)Math.random(),(float)Math.random(),0,1);
                }
              }
            }
 else             if (!makeLava && isLava(tempBlock)) {
              clickIsFinished=false;
              if (Math.random() < landCreateSpeed) {
                removeLava(tempBlock);
              }
            }
          }
        }
      }
      return;
    }
  }
}