Program: 30576
Project: 30576
Buggy source:
@Override public void serverPacketData(INetworkInfo manager,AppEngPacket packet,EntityPlayer player){
  EntityPlayerMP pmp=(EntityPlayerMP)player;
  Container con=pmp.openContainer;
  if (con != null && con instanceof IContainerCraftingPacket) {
    IContainerCraftingPacket cct=(IContainerCraftingPacket)con;
    IGridNode node=cct.getNetworkNode();
    if (node != null) {
      IGrid grid=node.getGrid();
      if (grid == null)       return;
      IStorageGrid inv=grid.getCache(IStorageGrid.class);
      IEnergyGrid energy=grid.getCache(IEnergyGrid.class);
      ISecurityGrid security=grid.getCache(ISecurityGrid.class);
      IInventory craftMatrix=cct.getInventoryByName("String_Node_Str");
      Actionable realForFake=cct.useRealItems() ? Actionable.MODULATE : Actionable.SIMULATE;
      if (inv != null && recipe != null && security != null) {
        InventoryCrafting ic=new InventoryCrafting(new ContainerNull(),3,3);
        for (int x=0; x < 9; x++)         ic.setInventorySlotContents(x,recipe[x]);
        IRecipe r=Platform.findMatchingRecipe(ic,pmp.worldObj);
        if (r != null && security.hasPermission(player,SecurityPermissions.EXTRACT)) {
          ItemStack is=r.getCraftingResult(ic);
          if (is != null) {
            IMEMonitor<IAEItemStack> stor=inv.getItemInventory();
            IItemList all=stor.getStorageList();
            for (int x=0; x < craftMatrix.getSizeInventory(); x++) {
              ItemStack PatternItem=ic.getStackInSlot(x);
              ItemStack currentItem=craftMatrix.getStackInSlot(x);
              if (currentItem != null) {
                ic.setInventorySlotContents(x,currentItem);
                ItemStack newis=r.matches(ic,pmp.worldObj) ? r.getCraftingResult(ic) : null;
                ic.setInventorySlotContents(x,PatternItem);
                if (newis == null || !Platform.isSameItemPrecise(newis,is)) {
                  IAEItemStack in=AEItemStack.create(currentItem);
                  if (in != null) {
                    IAEItemStack out=realForFake == Actionable.SIMULATE ? null : Platform.poweredInsert(energy,stor,in,cct.getSource());
                    if (out != null)                     craftMatrix.setInventorySlotContents(x,out.getItemStack());
 else                     craftMatrix.setInventorySlotContents(x,null);
                    currentItem=craftMatrix.getStackInSlot(x);
                  }
                }
              }
              if (PatternItem != null && currentItem == null) {
                craftMatrix.setInventorySlotContents(x,Platform.extractItemsByRecipe(energy,cct.getSource(),stor,player.worldObj,r,is,ic,PatternItem,x,all,realForFake));
              }
            }
            con.onCraftMatrixChanged(craftMatrix);
          }
        }
      }
    }
  }
}

Fixed version (ground truth):
@Override public void serverPacketData(INetworkInfo manager,AppEngPacket packet,EntityPlayer player){
  EntityPlayerMP pmp=(EntityPlayerMP)player;
  Container con=pmp.openContainer;
  if (con != null && con instanceof IContainerCraftingPacket) {
    IContainerCraftingPacket cct=(IContainerCraftingPacket)con;
    IGridNode node=cct.getNetworkNode();
    if (node != null) {
      IGrid grid=node.getGrid();
      if (grid == null)       return;
      IStorageGrid inv=grid.getCache(IStorageGrid.class);
      IEnergyGrid energy=grid.getCache(IEnergyGrid.class);
      ISecurityGrid security=grid.getCache(ISecurityGrid.class);
      IInventory craftMatrix=cct.getInventoryByName("String_Node_Str");
      Actionable realForFake=cct.useRealItems() ? Actionable.MODULATE : Actionable.SIMULATE;
      if (inv != null && recipe != null && security != null) {
        InventoryCrafting ic=new InventoryCrafting(new ContainerNull(),3,3);
        for (int x=0; x < 9; x++) {
          if (recipe[x] != null && recipe[x].length > 0) {
            ic.setInventorySlotContents(x,recipe[x][0]);
          }
        }
        IRecipe r=Platform.findMatchingRecipe(ic,pmp.worldObj);
        if (r != null && security.hasPermission(player,SecurityPermissions.EXTRACT)) {
          ItemStack is=r.getCraftingResult(ic);
          if (is != null) {
            IMEMonitor<IAEItemStack> stor=inv.getItemInventory();
            IItemList all=stor.getStorageList();
            for (int x=0; x < craftMatrix.getSizeInventory(); x++) {
              ItemStack PatternItem=ic.getStackInSlot(x);
              ItemStack currentItem=craftMatrix.getStackInSlot(x);
              if (currentItem != null) {
                ic.setInventorySlotContents(x,currentItem);
                ItemStack newis=r.matches(ic,pmp.worldObj) ? r.getCraftingResult(ic) : null;
                ic.setInventorySlotContents(x,PatternItem);
                if (newis == null || !Platform.isSameItemPrecise(newis,is)) {
                  IAEItemStack in=AEItemStack.create(currentItem);
                  if (in != null) {
                    IAEItemStack out=realForFake == Actionable.SIMULATE ? null : Platform.poweredInsert(energy,stor,in,cct.getSource());
                    if (out != null)                     craftMatrix.setInventorySlotContents(x,out.getItemStack());
 else                     craftMatrix.setInventorySlotContents(x,null);
                    currentItem=craftMatrix.getStackInSlot(x);
                  }
                }
              }
              if (PatternItem != null && currentItem == null) {
                ItemStack whichItem=Platform.extractItemsByRecipe(energy,cct.getSource(),stor,player.worldObj,r,is,ic,PatternItem,x,all,realForFake);
                if (whichItem == null) {
                  for (int y=0; y < recipe[x].length; y++) {
                    IAEItemStack request=AEItemStack.create(recipe[x][y]);
                    if (request != null) {
                      request.setStackSize(1);
                      IAEItemStack out=Platform.poweredExtraction(energy,stor,request,cct.getSource());
                      if (out != null) {
                        whichItem=out.getItemStack();
                        break;
                      }
                    }
                  }
                }
                craftMatrix.setInventorySlotContents(x,whichItem);
              }
            }
            con.onCraftMatrixChanged(craftMatrix);
          }
        }
      }
    }
  }
}