Program: 81812
Project: 81812
Buggy source:
public void tickProgression(){
  World world=manager.getWorld();
  if (world.getTotalWorldTime() % 3 == 0) {
    if (isGrowing) {
      if (size < maxSize) {
        size++;
      }
 else {
      }
    }
 else {
    }
  }
  float tempAdjustRate=(float)ConfigStorm.Storm_TemperatureAdjustRate;
  int levelWaterBuildRate=ConfigStorm.Storm_Rain_WaterBuildUpRate;
  int levelWaterSpendRate=ConfigStorm.Storm_Rain_WaterSpendRate;
  int randomChanceOfWaterBuildFromWater=ConfigStorm.Storm_Rain_WaterBuildUpOddsTo1FromSource;
  int randomChanceOfWaterBuildFromNothing=ConfigStorm.Storm_Rain_WaterBuildUpOddsTo1FromNothing;
  boolean isInOcean=false;
  boolean isOverWater=false;
  if (world.getTotalWorldTime() % ConfigStorm.Storm_AllTypes_TickRateDelay == 0) {
    NBTTagCompound playerNBT=PlayerData.getPlayerNBT(userSpawnedFor);
    long lastStormDeadlyTime=playerNBT.getLong("String_Node_Str");
    Biome bgb=world.getBiome(new BlockPos(MathHelper.floor(pos.xCoord),0,MathHelper.floor(pos.zCoord)));
    if (bgb != null) {
      isInOcean=bgb.biomeName.contains("String_Node_Str") || bgb.biomeName.contains("String_Node_Str");
      float biomeTempAdj=getTemperatureMCToWeatherSys(bgb.getFloatTemperature(new BlockPos(MathHelper.floor(pos.xCoord),MathHelper.floor(pos.yCoord),MathHelper.floor(pos.zCoord))));
      if (levelTemperature > biomeTempAdj) {
        levelTemperature-=tempAdjustRate;
      }
 else {
        levelTemperature+=tempAdjustRate;
      }
    }
    boolean performBuildup=false;
    Random rand=new Random();
    if (!isPrecipitating() && rand.nextInt(randomChanceOfWaterBuildFromNothing) == 0) {
      performBuildup=true;
    }
    Block blockID=world.getBlockState(new BlockPos(MathHelper.floor(pos.xCoord),currentTopYBlock - 1,MathHelper.floor(pos.zCoord))).getBlock();
    if (!CoroUtilBlock.isAir(blockID)) {
      if (blockID.getMaterial(blockID.getDefaultState()) instanceof MaterialLiquid) {
        isOverWater=true;
      }
    }
    if (!performBuildup && !isPrecipitating() && rand.nextInt(randomChanceOfWaterBuildFromWater) == 0) {
      if (isOverWater) {
        performBuildup=true;
      }
      if (!performBuildup && bgb != null && (isInOcean || bgb.biomeName.contains("String_Node_Str") || bgb.biomeName.contains("String_Node_Str")|| bgb.biomeName.contains("String_Node_Str"))) {
        performBuildup=true;
      }
    }
    if (performBuildup) {
      levelWater+=levelWaterBuildRate;
    }
    if (isPrecipitating()) {
      levelWater-=levelWaterSpendRate;
      if (levelWater < 0)       levelWater=0;
      if (levelWater <= 0) {
        setPrecipitating(false);
        Weather.dbg("String_Node_Str" + ID);
      }
    }
 else {
      if (!ConfigMisc.overcastMode || manager.getWorld().isRaining()) {
        if (levelWater >= levelWaterStartRaining) {
          if (ConfigStorm.Player_Storm_Rain_OddsTo1 != -1 && rand.nextInt(ConfigStorm.Player_Storm_Rain_OddsTo1) == 0) {
            setPrecipitating(true);
            Weather.dbg("String_Node_Str" + ID);
          }
        }
      }
    }
    WeatherManagerServer wm=ServerTickHandler.lookupDimToWeatherMan.get(world.provider.getDimension());
    boolean tryFormStorm=false;
    if (this.canBeDeadly) {
      if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
        if (ConfigStorm.Server_Storm_Deadly_TimeBetweenInTicks != -1) {
          if (wm.lastStormFormed == 0 || wm.lastStormFormed + ConfigStorm.Server_Storm_Deadly_TimeBetweenInTicks < world.getTotalWorldTime()) {
            tryFormStorm=true;
          }
        }
      }
 else {
        if (ConfigStorm.Player_Storm_Deadly_TimeBetweenInTicks != -1) {
          if (lastStormDeadlyTime == 0 || lastStormDeadlyTime + ConfigStorm.Player_Storm_Deadly_TimeBetweenInTicks < world.getTotalWorldTime()) {
            tryFormStorm=true;
          }
        }
      }
    }
    if (weatherMachineControlled) {
      return;
    }
    if (((ConfigMisc.overcastMode && manager.getWorld().isRaining()) || !ConfigMisc.overcastMode) && WeatherUtilConfig.listDimensionsStorms.contains(manager.getWorld().provider.getDimension()) && tryFormStorm) {
      int stormFrontCollideDist=ConfigStorm.Storm_Deadly_CollideDistance;
      int randomChanceOfCollide=ConfigStorm.Player_Storm_Deadly_OddsTo1;
      if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
        randomChanceOfCollide=ConfigStorm.Server_Storm_Deadly_OddsTo1;
      }
      if (isInOcean && (ConfigStorm.Storm_OddsTo1OfOceanBasedStorm > 0 && rand.nextInt(ConfigStorm.Storm_OddsTo1OfOceanBasedStorm) == 0)) {
        EntityPlayer entP=world.getPlayerEntityByName(userSpawnedFor);
        if (entP != null) {
          initRealStorm(entP,null);
        }
 else {
          initRealStorm(null,null);
        }
        if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
          wm.lastStormFormed=world.getTotalWorldTime();
        }
 else {
          playerNBT.setLong("String_Node_Str",world.getTotalWorldTime());
        }
      }
 else       if (!isInOcean && ConfigStorm.Storm_OddsTo1OfLandBasedStorm > 0 && rand.nextInt(ConfigStorm.Storm_OddsTo1OfLandBasedStorm) == 0) {
        EntityPlayer entP=world.getPlayerEntityByName(userSpawnedFor);
        if (entP != null) {
          initRealStorm(entP,null);
        }
 else {
          initRealStorm(null,null);
        }
        if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
          wm.lastStormFormed=world.getTotalWorldTime();
        }
 else {
          playerNBT.setLong("String_Node_Str",world.getTotalWorldTime());
        }
      }
 else       if (rand.nextInt(randomChanceOfCollide) == 0) {
        for (int i=0; i < manager.getStormObjects().size(); i++) {
          WeatherObject wo=manager.getStormObjects().get(i);
          if (wo instanceof StormObject) {
            StormObject so=(StormObject)wo;
            boolean startStorm=false;
            if (so.ID != this.ID && so.levelCurIntensityStage <= 0 && !so.isCloudlessStorm() && !so.weatherMachineControlled) {
              if (so.pos.distanceTo(pos) < stormFrontCollideDist) {
                if (this.levelTemperature < 0) {
                  if (so.levelTemperature > 0) {
                    startStorm=true;
                  }
                }
 else                 if (this.levelTemperature > 0) {
                  if (so.levelTemperature < 0) {
                    startStorm=true;
                  }
                }
              }
            }
            if (startStorm) {
              playerNBT.setLong("String_Node_Str",world.getTotalWorldTime());
              EntityPlayer entP=world.getPlayerEntityByName(userSpawnedFor);
              if (entP != null) {
                initRealStorm(entP,so);
              }
 else {
                initRealStorm(null,so);
              }
              break;
            }
          }
        }
      }
    }
    if (isRealStorm()) {
      if (ConfigMisc.overcastMode) {
        if (!manager.getWorld().isRaining()) {
          hasStormPeaked=true;
        }
      }
      if (!hasStormPeaked) {
        levelWater=levelWaterStartRaining;
        setPrecipitating(true);
      }
      if ((levelCurIntensityStage == STATE_HIGHWIND || levelCurIntensityStage == STATE_HAIL) && isOverWater) {
        if (ConfigStorm.Storm_OddsTo1OfHighWindWaterSpout != 0 && rand.nextInt(ConfigStorm.Storm_OddsTo1OfHighWindWaterSpout) == 0) {
          attrib_waterSpout=true;
        }
      }
 else {
        attrib_waterSpout=false;
      }
      float levelStormIntensityRate=0.02F;
      float minIntensityToProgress=0.6F;
      int oddsTo1OfIntensityProgressionBase=ConfigStorm.Storm_OddsTo1OfProgressionBase;
      if (levelCurIntensityStage >= levelStormIntensityFormingStartVal) {
        levelStormIntensityRate*=3;
        oddsTo1OfIntensityProgressionBase/=3;
      }
      int oddsTo1OfIntensityProgression=oddsTo1OfIntensityProgressionBase + (levelCurIntensityStage * ConfigStorm.Storm_OddsTo1OfProgressionStageMultiplier);
      if (!hasStormPeaked) {
        levelCurStagesIntensity+=levelStormIntensityRate;
        if (levelCurIntensityStage < maxIntensityStage && (!ConfigTornado.Storm_NoTornadosOrCyclones || levelCurIntensityStage < STATE_FORMING - 1)) {
          if (levelCurStagesIntensity >= minIntensityToProgress) {
            if (alwaysProgresses || rand.nextInt(oddsTo1OfIntensityProgression) == 0) {
              stageNext();
              Weather.dbg("String_Node_Str" + this.ID + "String_Node_Str"+ levelCurIntensityStage);
              if (isInOcean) {
                if (levelCurIntensityStage == STATE_FORMING) {
                  Weather.dbg("String_Node_Str" + this.ID + "String_Node_Str");
                  stormType=TYPE_WATER;
                }
              }
            }
          }
        }
        if (levelCurStagesIntensity >= 1F) {
          Weather.dbg("String_Node_Str" + levelCurIntensityStage);
          hasStormPeaked=true;
        }
      }
 else {
        if (ConfigMisc.overcastMode && manager.getWorld().isRaining()) {
          levelCurStagesIntensity-=levelStormIntensityRate * 0.9F;
        }
 else {
          levelCurStagesIntensity-=levelStormIntensityRate * 0.3F;
        }
        if (levelCurStagesIntensity <= 0) {
          stagePrev();
          Weather.dbg("String_Node_Str" + this.ID + "String_Node_Str"+ levelCurIntensityStage);
          if (levelCurIntensityStage <= 0) {
            setNoStorm();
          }
        }
      }
    }
 else {
      if (ConfigMisc.overcastMode) {
        if (!manager.getWorld().isRaining()) {
          if (attrib_precipitation) {
            setPrecipitating(false);
          }
        }
      }
    }
  }
}

Fixed version (ground truth):
public void tickProgression(){
  World world=manager.getWorld();
  if (world.getTotalWorldTime() % 3 == 0) {
    if (isGrowing) {
      if (size < maxSize) {
        size++;
      }
 else {
      }
    }
 else {
    }
  }
  float tempAdjustRate=(float)ConfigStorm.Storm_TemperatureAdjustRate;
  int levelWaterBuildRate=ConfigStorm.Storm_Rain_WaterBuildUpRate;
  int levelWaterSpendRate=ConfigStorm.Storm_Rain_WaterSpendRate;
  int randomChanceOfWaterBuildFromWater=ConfigStorm.Storm_Rain_WaterBuildUpOddsTo1FromSource;
  int randomChanceOfWaterBuildFromNothing=ConfigStorm.Storm_Rain_WaterBuildUpOddsTo1FromNothing;
  boolean isInOcean=false;
  boolean isOverWater=false;
  if (world.getTotalWorldTime() % ConfigStorm.Storm_AllTypes_TickRateDelay == 0) {
    NBTTagCompound playerNBT=PlayerData.getPlayerNBT(userSpawnedFor);
    long lastStormDeadlyTime=playerNBT.getLong("String_Node_Str");
    Biome bgb=world.getBiome(new BlockPos(MathHelper.floor(pos.xCoord),0,MathHelper.floor(pos.zCoord)));
    if (bgb != null) {
      isInOcean=bgb.biomeName.contains("String_Node_Str") || bgb.biomeName.contains("String_Node_Str");
      float biomeTempAdj=getTemperatureMCToWeatherSys(CoroUtilCompatibility.getAdjustedTemperature(manager.getWorld(),bgb,new BlockPos(MathHelper.floor(pos.xCoord),MathHelper.floor(pos.yCoord),MathHelper.floor(pos.zCoord))));
      if (levelTemperature > biomeTempAdj) {
        levelTemperature-=tempAdjustRate;
      }
 else {
        levelTemperature+=tempAdjustRate;
      }
    }
    boolean performBuildup=false;
    Random rand=new Random();
    if (!isPrecipitating() && rand.nextInt(randomChanceOfWaterBuildFromNothing) == 0) {
      performBuildup=true;
    }
    Block blockID=world.getBlockState(new BlockPos(MathHelper.floor(pos.xCoord),currentTopYBlock - 1,MathHelper.floor(pos.zCoord))).getBlock();
    if (!CoroUtilBlock.isAir(blockID)) {
      if (blockID.getMaterial(blockID.getDefaultState()) instanceof MaterialLiquid) {
        isOverWater=true;
      }
    }
    if (!performBuildup && !isPrecipitating() && rand.nextInt(randomChanceOfWaterBuildFromWater) == 0) {
      if (isOverWater) {
        performBuildup=true;
      }
      if (!performBuildup && bgb != null && (isInOcean || bgb.biomeName.contains("String_Node_Str") || bgb.biomeName.contains("String_Node_Str")|| bgb.biomeName.contains("String_Node_Str"))) {
        performBuildup=true;
      }
    }
    if (performBuildup) {
      levelWater+=levelWaterBuildRate;
    }
    if (isPrecipitating()) {
      levelWater-=levelWaterSpendRate;
      if (levelWater < 0)       levelWater=0;
      if (levelWater <= 0) {
        setPrecipitating(false);
        Weather.dbg("String_Node_Str" + ID);
      }
    }
 else {
      if (!ConfigMisc.overcastMode || manager.getWorld().isRaining()) {
        if (levelWater >= levelWaterStartRaining) {
          if (ConfigStorm.Player_Storm_Rain_OddsTo1 != -1 && rand.nextInt(ConfigStorm.Player_Storm_Rain_OddsTo1) == 0) {
            setPrecipitating(true);
            Weather.dbg("String_Node_Str" + ID);
          }
        }
      }
    }
    WeatherManagerServer wm=ServerTickHandler.lookupDimToWeatherMan.get(world.provider.getDimension());
    boolean tryFormStorm=false;
    if (this.canBeDeadly) {
      if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
        if (ConfigStorm.Server_Storm_Deadly_TimeBetweenInTicks != -1) {
          if (wm.lastStormFormed == 0 || wm.lastStormFormed + ConfigStorm.Server_Storm_Deadly_TimeBetweenInTicks < world.getTotalWorldTime()) {
            tryFormStorm=true;
          }
        }
      }
 else {
        if (ConfigStorm.Player_Storm_Deadly_TimeBetweenInTicks != -1) {
          if (lastStormDeadlyTime == 0 || lastStormDeadlyTime + ConfigStorm.Player_Storm_Deadly_TimeBetweenInTicks < world.getTotalWorldTime()) {
            tryFormStorm=true;
          }
        }
      }
    }
    if (weatherMachineControlled) {
      return;
    }
    if (((ConfigMisc.overcastMode && manager.getWorld().isRaining()) || !ConfigMisc.overcastMode) && WeatherUtilConfig.listDimensionsStorms.contains(manager.getWorld().provider.getDimension()) && tryFormStorm) {
      int stormFrontCollideDist=ConfigStorm.Storm_Deadly_CollideDistance;
      int randomChanceOfCollide=ConfigStorm.Player_Storm_Deadly_OddsTo1;
      if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
        randomChanceOfCollide=ConfigStorm.Server_Storm_Deadly_OddsTo1;
      }
      if (isInOcean && (ConfigStorm.Storm_OddsTo1OfOceanBasedStorm > 0 && rand.nextInt(ConfigStorm.Storm_OddsTo1OfOceanBasedStorm) == 0)) {
        EntityPlayer entP=world.getPlayerEntityByName(userSpawnedFor);
        if (entP != null) {
          initRealStorm(entP,null);
        }
 else {
          initRealStorm(null,null);
        }
        if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
          wm.lastStormFormed=world.getTotalWorldTime();
        }
 else {
          playerNBT.setLong("String_Node_Str",world.getTotalWorldTime());
        }
      }
 else       if (!isInOcean && ConfigStorm.Storm_OddsTo1OfLandBasedStorm > 0 && rand.nextInt(ConfigStorm.Storm_OddsTo1OfLandBasedStorm) == 0) {
        EntityPlayer entP=world.getPlayerEntityByName(userSpawnedFor);
        if (entP != null) {
          initRealStorm(entP,null);
        }
 else {
          initRealStorm(null,null);
        }
        if (ConfigStorm.Server_Storm_Deadly_UseGlobalRate) {
          wm.lastStormFormed=world.getTotalWorldTime();
        }
 else {
          playerNBT.setLong("String_Node_Str",world.getTotalWorldTime());
        }
      }
 else       if (rand.nextInt(randomChanceOfCollide) == 0) {
        for (int i=0; i < manager.getStormObjects().size(); i++) {
          WeatherObject wo=manager.getStormObjects().get(i);
          if (wo instanceof StormObject) {
            StormObject so=(StormObject)wo;
            boolean startStorm=false;
            if (so.ID != this.ID && so.levelCurIntensityStage <= 0 && !so.isCloudlessStorm() && !so.weatherMachineControlled) {
              if (so.pos.distanceTo(pos) < stormFrontCollideDist) {
                if (this.levelTemperature < 0) {
                  if (so.levelTemperature > 0) {
                    startStorm=true;
                  }
                }
 else                 if (this.levelTemperature > 0) {
                  if (so.levelTemperature < 0) {
                    startStorm=true;
                  }
                }
              }
            }
            if (startStorm) {
              playerNBT.setLong("String_Node_Str",world.getTotalWorldTime());
              EntityPlayer entP=world.getPlayerEntityByName(userSpawnedFor);
              if (entP != null) {
                initRealStorm(entP,so);
              }
 else {
                initRealStorm(null,so);
              }
              break;
            }
          }
        }
      }
    }
    if (isRealStorm()) {
      if (ConfigMisc.overcastMode) {
        if (!manager.getWorld().isRaining()) {
          hasStormPeaked=true;
        }
      }
      if (!hasStormPeaked) {
        levelWater=levelWaterStartRaining;
        setPrecipitating(true);
      }
      if ((levelCurIntensityStage == STATE_HIGHWIND || levelCurIntensityStage == STATE_HAIL) && isOverWater) {
        if (ConfigStorm.Storm_OddsTo1OfHighWindWaterSpout != 0 && rand.nextInt(ConfigStorm.Storm_OddsTo1OfHighWindWaterSpout) == 0) {
          attrib_waterSpout=true;
        }
      }
 else {
        attrib_waterSpout=false;
      }
      float levelStormIntensityRate=0.02F;
      float minIntensityToProgress=0.6F;
      int oddsTo1OfIntensityProgressionBase=ConfigStorm.Storm_OddsTo1OfProgressionBase;
      if (levelCurIntensityStage >= levelStormIntensityFormingStartVal) {
        levelStormIntensityRate*=3;
        oddsTo1OfIntensityProgressionBase/=3;
      }
      int oddsTo1OfIntensityProgression=oddsTo1OfIntensityProgressionBase + (levelCurIntensityStage * ConfigStorm.Storm_OddsTo1OfProgressionStageMultiplier);
      if (!hasStormPeaked) {
        levelCurStagesIntensity+=levelStormIntensityRate;
        if (levelCurIntensityStage < maxIntensityStage && (!ConfigTornado.Storm_NoTornadosOrCyclones || levelCurIntensityStage < STATE_FORMING - 1)) {
          if (levelCurStagesIntensity >= minIntensityToProgress) {
            if (alwaysProgresses || rand.nextInt(oddsTo1OfIntensityProgression) == 0) {
              stageNext();
              Weather.dbg("String_Node_Str" + this.ID + "String_Node_Str"+ levelCurIntensityStage);
              if (isInOcean) {
                if (levelCurIntensityStage == STATE_FORMING) {
                  Weather.dbg("String_Node_Str" + this.ID + "String_Node_Str");
                  stormType=TYPE_WATER;
                }
              }
            }
          }
        }
        if (levelCurStagesIntensity >= 1F) {
          Weather.dbg("String_Node_Str" + levelCurIntensityStage);
          hasStormPeaked=true;
        }
      }
 else {
        if (ConfigMisc.overcastMode && manager.getWorld().isRaining()) {
          levelCurStagesIntensity-=levelStormIntensityRate * 0.9F;
        }
 else {
          levelCurStagesIntensity-=levelStormIntensityRate * 0.3F;
        }
        if (levelCurStagesIntensity <= 0) {
          stagePrev();
          Weather.dbg("String_Node_Str" + this.ID + "String_Node_Str"+ levelCurIntensityStage);
          if (levelCurIntensityStage <= 0) {
            setNoStorm();
          }
        }
      }
    }
 else {
      if (ConfigMisc.overcastMode) {
        if (!manager.getWorld().isRaining()) {
          if (attrib_precipitation) {
            setPrecipitating(false);
          }
        }
      }
    }
  }
}