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dBFT 2.0 liveness issue #1

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dBFT 2.0 liveness issue #1

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59a2e2f
dBFT 2.0 liveness issue
AnnaShaleva Feb 17, 2023
c13123b
add dBFT 2.1 comments
AnnaShaleva Mar 1, 2023
eadd336
fix
AnnaShaleva Mar 1, 2023
a2c9ea2
fix2
AnnaShaleva Mar 3, 2023
eb4c468
fix3
AnnaShaleva Mar 3, 2023
7f0634c
fix4
AnnaShaleva Mar 3, 2023
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311 changes: 311 additions & 0 deletions tla/base_deadlock1_dl.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,311 @@
RMFault: {}
MaxView: 2
RMDead: {}
RM: {0, 1, 2, 3}

<<
[
_TEAction |-> [
position |-> 1,
name |-> "Initial predicate",
location |-> "Unknown location"
],
msgs |-> {},
rmState |-> ( 0 :> [type |-> "initialized", view |-> 0] @@
1 :> [type |-> "initialized", view |-> 0] @@
2 :> [type |-> "initialized", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 2,
name |-> "RMSendPrepareRequest",
location |-> "line 127, col 3 to line 131, col 19 of module dbft"
],
msgs |-> {[type |-> "PrepareRequest", view |-> 0, rm |-> 0]},
rmState |-> ( 0 :> [type |-> "prepareSent", view |-> 0] @@
1 :> [type |-> "initialized", view |-> 0] @@
2 :> [type |-> "initialized", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 3,
name |-> "RMSendChangeView",
location |-> "line 174, col 3 to line 179, col 90 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 0] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 0] @@
1 :> [type |-> "initialized", view |-> 0] @@
2 :> [type |-> "initialized", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 4,
name |-> "RMSendPrepareResponse",
location |-> "line 138, col 3 to line 145, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 0] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 0] @@
1 :> [type |-> "prepareSent", view |-> 0] @@
2 :> [type |-> "initialized", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 5,
name |-> "RMSendChangeView",
location |-> "line 174, col 3 to line 179, col 90 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 0] @@
1 :> [type |-> "cv", view |-> 0] @@
2 :> [type |-> "initialized", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 6,
name |-> "RMSendPrepareResponse",
location |-> "line 138, col 3 to line 145, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 0] @@
1 :> [type |-> "cv", view |-> 0] @@
2 :> [type |-> "prepareSent", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 7,
name |-> "RMSendCommit",
location |-> "line 150, col 3 to line 160, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 0] @@
1 :> [type |-> "cv", view |-> 0] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 0] )
],
[
_TEAction |-> [
position |-> 8,
name |-> "RMSendChangeView",
location |-> "line 174, col 3 to line 179, col 90 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 0] @@
1 :> [type |-> "cv", view |-> 0] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 9,
name |-> "RMReceiveChangeView",
location |-> "line 184, col 3 to line 196, col 23 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3] },
rmState |-> ( 0 :> [type |-> "initialized", view |-> 1] @@
1 :> [type |-> "cv", view |-> 0] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 10,
name |-> "RMReceiveChangeView",
location |-> "line 184, col 3 to line 196, col 23 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3] },
rmState |-> ( 0 :> [type |-> "initialized", view |-> 1] @@
1 :> [type |-> "initialized", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 11,
name |-> "RMSendPrepareRequest",
location |-> "line 127, col 3 to line 131, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3] },
rmState |-> ( 0 :> [type |-> "initialized", view |-> 1] @@
1 :> [type |-> "prepareSent", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 12,
name |-> "RMSendPrepareResponse",
location |-> "line 138, col 3 to line 145, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "PrepareResponse", view |-> 1, rm |-> 0],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3] },
rmState |-> ( 0 :> [type |-> "prepareSent", view |-> 1] @@
1 :> [type |-> "prepareSent", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 13,
name |-> "RMSendChangeView",
location |-> "line 174, col 3 to line 179, col 90 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "PrepareResponse", view |-> 1, rm |-> 0],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3],
[type |-> "ChangeView", view |-> 1, rm |-> 0] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 1] @@
1 :> [type |-> "prepareSent", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 14,
name |-> "RMSendChangeView",
location |-> "line 174, col 3 to line 179, col 90 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "PrepareResponse", view |-> 1, rm |-> 0],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3],
[type |-> "ChangeView", view |-> 1, rm |-> 0],
[type |-> "ChangeView", view |-> 1, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 1] @@
1 :> [type |-> "cv", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "cv", view |-> 0] )
],
[
_TEAction |-> [
position |-> 15,
name |-> "RMReceiveChangeView",
location |-> "line 184, col 3 to line 196, col 23 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "PrepareResponse", view |-> 1, rm |-> 0],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3],
[type |-> "ChangeView", view |-> 1, rm |-> 0],
[type |-> "ChangeView", view |-> 1, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 1] @@
1 :> [type |-> "cv", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "initialized", view |-> 1] )
],
[
_TEAction |-> [
position |-> 16,
name |-> "RMSendPrepareResponse",
location |-> "line 138, col 3 to line 145, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "PrepareResponse", view |-> 1, rm |-> 0],
[type |-> "PrepareResponse", view |-> 1, rm |-> 3],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3],
[type |-> "ChangeView", view |-> 1, rm |-> 0],
[type |-> "ChangeView", view |-> 1, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 1] @@
1 :> [type |-> "cv", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "prepareSent", view |-> 1] )
],
[
_TEAction |-> [
position |-> 17,
name |-> "RMSendCommit",
location |-> "line 150, col 3 to line 160, col 19 of module dbft"
],
msgs |-> { [type |-> "PrepareRequest", view |-> 0, rm |-> 0],
[type |-> "PrepareRequest", view |-> 1, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 1],
[type |-> "PrepareResponse", view |-> 0, rm |-> 2],
[type |-> "PrepareResponse", view |-> 1, rm |-> 0],
[type |-> "PrepareResponse", view |-> 1, rm |-> 3],
[type |-> "Commit", view |-> 0, rm |-> 2],
[type |-> "Commit", view |-> 1, rm |-> 3],
[type |-> "ChangeView", view |-> 0, rm |-> 0],
[type |-> "ChangeView", view |-> 0, rm |-> 1],
[type |-> "ChangeView", view |-> 0, rm |-> 3],
[type |-> "ChangeView", view |-> 1, rm |-> 0],
[type |-> "ChangeView", view |-> 1, rm |-> 1] },
rmState |-> ( 0 :> [type |-> "cv", view |-> 1] @@
1 :> [type |-> "cv", view |-> 1] @@
2 :> [type |-> "commitSent", view |-> 0] @@
3 :> [type |-> "commitSent", view |-> 1] )
]
>>
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