Re: [tlaplus] TLC report an unexpected runtime error

[Markus Kuppe <tlaplus-google-group@xxxxxxxxxxx>]

Hi Vince,

no, the disjunct on line 362 does *not* prevent m.mentries from equaling <<>> on line 364.  

Recall that the variable x will non-deterministically equal 42 or -42 in the next state.

Next ==
  \/ /\ x = 42
     /\ x’ = x
  \/ /\ x = 42
     /\ x’ = -42

Markus

> On Dec 1, 2022, at 5:45 PM, Vince Wu <fzuwwl@xxxxxxxxx> wrote:
> 
> the TLA+ code trigger this error was at line `364                               /\ log[i][index].term = m.mentries[1].term` which I think it should not happend since line `362                       /\ \/ m.mentries = << >>` has a check that ensure `m.mentries` is no empty:
> 

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