Program: 59542
Project: 59542
Buggy source:
public static void addDefaultRecipes(){
  boolean recipeNetherrack=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",true);
  boolean recipeBlazeRod=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",true);
  int tweakNetherrackRF=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",TEProps.lavaRF * 6 / 10);
  int tweakBlazeRodRF=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",TEProps.lavaRF / 10);
  if (recipeNetherrack) {
    if (tweakNetherrackRF >= TEProps.lavaRF / 10 && tweakNetherrackRF <= TEProps.lavaRF) {
      addTERecipe(tweakNetherrackRF,new ItemStack(Blocks.netherrack),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
    }
 else {
      addTERecipe(TEProps.lavaRF * 6 / 10,new ItemStack(Blocks.netherrack),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
      ThermalExpansion.log.info("String_Node_Str");
      ThermalExpansion.config.set("String_Node_Str","String_Node_Str",TEProps.lavaRF * 6 / 10);
    }
  }
  if (recipeBlazeRod) {
    if (tweakBlazeRodRF >= TEProps.lavaRF / 20 && tweakBlazeRodRF <= TEProps.lavaRF) {
      addTERecipe(tweakBlazeRodRF,new ItemStack(Items.blaze_rod),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME / 4));
    }
 else {
      addTERecipe(TEProps.lavaRF / 10,new ItemStack(Items.blaze_rod),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME / 4));
      ThermalExpansion.log.info("String_Node_Str");
      ThermalExpansion.config.set("String_Node_Str","String_Node_Str",TEProps.lavaRF / 10);
    }
  }
  int defaultCost=TEProps.lavaRF * 8 / 5;
  addTERecipe(defaultCost,new ItemStack(Blocks.cobblestone),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(defaultCost,new ItemStack(Blocks.stone),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(defaultCost,new ItemStack(Blocks.obsidian),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(800,new ItemStack(Items.snowball,4),new FluidStack(FluidRegistry.WATER,FluidContainerRegistry.BUCKET_VOLUME / 2));
  addTERecipe(800,new ItemStack(Blocks.snow),new FluidStack(FluidRegistry.WATER,FluidContainerRegistry.BUCKET_VOLUME / 2));
  addTERecipe(1600,new ItemStack(Blocks.ice),new FluidStack(FluidRegistry.WATER,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(8000,new ItemStack(Items.redstone),new FluidStack(TFFluids.fluidRedstone,100));
  addTERecipe(8000 * 9,new ItemStack(Blocks.redstone_block),new FluidStack(TFFluids.fluidRedstone,100 * 9));
  addTERecipe(20000,new ItemStack(Items.glowstone_dust),new FluidStack(TFFluids.fluidGlowstone,250));
  addTERecipe(20000 * 4,new ItemStack(Blocks.glowstone),new FluidStack(TFFluids.fluidGlowstone,1000));
  addTERecipe(20000,new ItemStack(Items.ender_pearl),new FluidStack(TFFluids.fluidEnder,250));
  addTERecipe(8000,TFItems.dustPyrotheum,new FluidStack(TFFluids.fluidPyrotheum,100));
  addTERecipe(8000,TFItems.dustCryotheum,new FluidStack(TFFluids.fluidCryotheum,100));
  addTERecipe(8000,TFItems.dustCoal,new FluidStack(TFFluids.fluidCoal,100));
}

Fixed version (ground truth):
public static void addDefaultRecipes(){
  boolean recipeNetherrack=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",true);
  boolean recipeBlazeRod=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",true);
  int tweakNetherrackRF=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",TEProps.lavaRF * 6 / 10);
  int tweakBlazeRodRF=ThermalExpansion.config.get("String_Node_Str","String_Node_Str",TEProps.lavaRF / 10);
  if (recipeNetherrack) {
    if (tweakNetherrackRF >= TEProps.lavaRF / 10 && tweakNetherrackRF <= TEProps.lavaRF) {
      addTERecipe(tweakNetherrackRF,new ItemStack(Blocks.netherrack),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
    }
 else {
      addTERecipe(TEProps.lavaRF * 6 / 10,new ItemStack(Blocks.netherrack),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
      ThermalExpansion.log.info("String_Node_Str");
      ThermalExpansion.config.set("String_Node_Str","String_Node_Str",TEProps.lavaRF * 6 / 10);
    }
  }
  if (recipeBlazeRod) {
    if (tweakBlazeRodRF >= TEProps.lavaRF / 20 && tweakBlazeRodRF <= TEProps.lavaRF) {
      addTERecipe(tweakBlazeRodRF,new ItemStack(Items.blaze_rod),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME / 4));
    }
 else {
      addTERecipe(TEProps.lavaRF / 10,new ItemStack(Items.blaze_rod),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME / 4));
      ThermalExpansion.log.info("String_Node_Str");
      ThermalExpansion.config.set("String_Node_Str","String_Node_Str",TEProps.lavaRF / 10);
    }
  }
  int defaultCost=TEProps.lavaRF * 8 / 5;
  addTERecipe(defaultCost,new ItemStack(Blocks.cobblestone),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(defaultCost,new ItemStack(Blocks.stone),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(defaultCost,new ItemStack(Blocks.obsidian),new FluidStack(FluidRegistry.LAVA,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(200,new ItemStack(Items.snowball),new FluidStack(FluidRegistry.WATER,FluidContainerRegistry.BUCKET_VOLUME / 8));
  addTERecipe(800,new ItemStack(Blocks.snow),new FluidStack(FluidRegistry.WATER,FluidContainerRegistry.BUCKET_VOLUME / 2));
  addTERecipe(1600,new ItemStack(Blocks.ice),new FluidStack(FluidRegistry.WATER,FluidContainerRegistry.BUCKET_VOLUME));
  addTERecipe(8000,new ItemStack(Items.redstone),new FluidStack(TFFluids.fluidRedstone,100));
  addTERecipe(8000 * 9,new ItemStack(Blocks.redstone_block),new FluidStack(TFFluids.fluidRedstone,100 * 9));
  addTERecipe(20000,new ItemStack(Items.glowstone_dust),new FluidStack(TFFluids.fluidGlowstone,250));
  addTERecipe(20000 * 4,new ItemStack(Blocks.glowstone),new FluidStack(TFFluids.fluidGlowstone,1000));
  addTERecipe(20000,new ItemStack(Items.ender_pearl),new FluidStack(TFFluids.fluidEnder,250));
  addTERecipe(8000,TFItems.dustPyrotheum,new FluidStack(TFFluids.fluidPyrotheum,100));
  addTERecipe(8000,TFItems.dustCryotheum,new FluidStack(TFFluids.fluidCryotheum,100));
  addTERecipe(8000,TFItems.dustCoal,new FluidStack(TFFluids.fluidCoal,100));
}