two formulas that cannot be translated one after the other

Translating these two formulas fails on the second one. However translating each formula separately works. Also adding -xgf-guarantee=0 gets rid of the issue.

% ltl2tgba  -D 'a | Fb' 'GF((!c | XXc) & d)'
HOA: v1
name: "a | Fb"
States: 3
Start: 2
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete
properties: deterministic stutter-invariant terminal
--BODY--
State: 0 {0}
[t] 0
State: 1
[1] 0
[!1] 1
State: 2
[0 | 1] 0
[!0&!1] 1
--END--
ltl2tgba: print_hoa(): automaton is not universal but prop_universal()==true