diff --git a/Stack_view.gtkw b/Stack_view.gtkw
index cf2adcd9763ba1ab5c088acb5a4c7c7761349422..8958647fb3f83085bfc843664bcca8cbcb6a43d8 100644
--- a/Stack_view.gtkw
+++ b/Stack_view.gtkw
@@ -1,15 +1,15 @@
 [*]
 [*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
-[*] Fri May  1 05:17:13 2020
+[*] Mon May  4 04:08:27 2020
 [*]
 [dumpfile] "/mnt/fpga-hammer-backend/foo.vcd"
-[dumpfile_mtime] "Fri May  1 04:32:03 2020"
-[dumpfile_size] 104998
+[dumpfile_mtime] "Mon May  4 04:07:33 2020"
+[dumpfile_size] 128807
 [savefile] "/mnt/fpga-hammer-backend/Stack_view.gtkw"
 [timestart] 0
 [size] 1916 1173
 [pos] -1 -1
-*-20.606634 3879000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+*-24.606634 64400000 64400000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] top.
 [treeopen] top.StateMachine.
 [treeopen] top.StateMachine.Serializer.
@@ -85,27 +85,18 @@ top.StateMachine.Stacks.U$1.$signal$9[7:0]
 top.StateMachine.Serializer.fsm_state
 @20000
 -
-@22
-top.StateMachine.Serializer.item_created_by_reduce_rule[15:0]
-@20000
 -
-@28
-top.StateMachine.Serializer.reduction_active
-@20000
 -
 @22
 top.StateMachine.Serializer.number_to_pop[3:0]
-top.StateMachine.Serializer.number_to_pop$1[3:0]
+@28
+top.StateMachine.Serializer.destroyed_item_valid_in
 @20000
 -
 @28
 top.StateMachine.Serializer.ready_out
 @20000
 -
-@22
-top.StateMachine.Serializer.backpointer[8:0]
-top.StateMachine.Serializer.writepoint[8:0]
-@20000
 -
 @28
 top.StateMachine.Serializer.memory_write_enable
@@ -115,26 +106,42 @@ top.StateMachine.Serializer.memory_write_port[16:0]
 @20000
 -
 @22
-top.StateMachine.Serializer.writepoint[8:0]
+top.StateMachine.Serializer.item_created_by_reduce_rule[15:0]
+top.StateMachine.Serializer.destroyed_item_in[15:0]
 @20000
 -
 -
 @28
 [color] 2
 top.StateMachine.Serializer.clk
+@22
+top.StateMachine.Serializer.number_of_children[3:0]
+top.StateMachine.Serializer.number_written[3:0]
 @20000
 -
 -
-@29
+@28
 top.StateMachine.Serializer.parse_tree.mem_w_en
 @20000
 -
 @22
-top.StateMachine.Serializer.parse_tree.mem_w_addr[4:0]
 top.StateMachine.Serializer.parse_tree.mem_w_data[16:0]
 @20000
 -
 @22
+top.StateMachine.Serializer.start_of_record[8:0]
+@20000
+-
+-
+@28
+top.StateMachine.Serializer.parse_tree.rst
+top.StateMachine.Serializer.parse_tree.clk
+@22
+top.StateMachine.Serializer.parse_tree.mem_w_addr[5:0]
+top.StateMachine.Serializer.parse_tree.mem_w_data[16:0]
+@28
+top.StateMachine.Serializer.parse_tree.mem_w_en
+@22
 top.StateMachine.Serializer.parse_tree.memory(0)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(1)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(2)[16:0]
@@ -143,7 +150,9 @@ top.StateMachine.Serializer.parse_tree.memory(4)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(5)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(6)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(7)[16:0]
+@23
 top.StateMachine.Serializer.parse_tree.memory(8)[16:0]
+@22
 top.StateMachine.Serializer.parse_tree.memory(9)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(10)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(11)[16:0]
@@ -167,6 +176,38 @@ top.StateMachine.Serializer.parse_tree.memory(28)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(29)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(30)[16:0]
 top.StateMachine.Serializer.parse_tree.memory(31)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(32)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(33)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(34)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(35)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(36)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(37)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(38)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(39)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(40)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(41)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(42)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(43)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(44)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(45)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(46)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(47)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(48)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(49)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(50)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(51)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(52)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(53)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(54)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(55)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(56)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(57)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(58)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(59)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(60)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(61)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(62)[16:0]
+top.StateMachine.Serializer.parse_tree.memory(63)[16:0]
 @28
 top.StateMachine.Serializer.parse_tree.rst
 [pattern_trace] 1