Possibly incorrect outputs in OUTPUT_LOAD_EVENT

[gogo9th]

If I run https://1688.com, I get the following output:

[249915:0905/001635.380864:INFO:CONSOLE(12207)] "PUUID: 11847, OUTPUT_LOAD_EVENT: !!!{"depth":0,"createdFromParent":"N/A","createdFrom":true,"createdAtDepth":2,"createdAtFork":24}!!! !!!Solver { (define-funs-rec ( ( str.repeat ((x!1 String) (x!2 Int)) String) ( str.whiteLeft ((x!1 String) (x!2 Int)) Int) ( str.whiteRight ((x!1 String) (x!2 Int)) Int)) ( (ite (<= x!2 0) "" (str.++ x!1 ((_ str.repeat 0) x!1 (- x!2 1)))) (ite (= (str.at x!1 x!2) " ") ((_ str.whiteLeft 0) x!1 (+ x!2 1)) x!2) (ite (= (str.at x!1 x!2) " ") ((_ str.whiteRight 0) x!1 (- x!2 1)) x!2))) }!!! !!!"https://astyle.alicdn.com/pkg/@alife/refly-vendors/1.0.0/src/browser-update/browser-update.css?_v=f5edf2a8db75a4731dfc4310931ef708.css"!!! !!!""!!!", source: https://www.1688.com/ (12207)

But according to this output, this OUTPUT_LOAD_EVENT has no parent process ("createdFromParent": "N/A") and is generated from the true branch of the previous PC's 24th assertion ("createdAtFork": 24). However, this PUUID doesn't have a 24th assertion, because it has only a single define-funs-rec. Am I misunderstanding something from here?

Also, multiple OUTPUT_LOAD_EVENT from the same PUUID: 11847 have the same "depth" and "createdAtDepth": they have the "depth" either 0 or 2. So we cannot distinguish where each OUTPUT_LOAD_EVENT node should be located in the tree. I thought "depth" within the same PUUID should be incremented whenever a new OUTPUT_LOAD_EVENT is created, isn't it?