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Add TLA+ formal verification specs for backup and recovery

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- backup.tla: models backup/restore/verify/cleanup with properties:
  BackupSnapshotsValid, RestoreIntegrity, VerifyIntegrity,
  RetentionInvariant, HistoryConsistency, BackupIdValid
- recovery.tla: models WAL replay REDO/UNDO with properties:
  RedoCommitted, RecoveryCompleteness, WalIntegrity
- Added models/backup.cfg and models/recovery.cfg with bounded constants
- Updated run_all.sh to include both new specs
- All 9 TLA+ specs pass TLC model checking
This commit is contained in:
dimgigov
2026-05-13 00:06:45 +03:00
parent 5e27a987dd
commit 32b38675a9
5 changed files with 492 additions and 0 deletions
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formal-verification/run_all.sh
+2
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@@ -34,5 +34,7 @@ run_tlc "$SCRIPT_DIR/replication.tla" "$SCRIPT_DIR/models/replication.cfg"
run_tlc "$SCRIPT_DIR/gossip.tla" "$SCRIPT_DIR/models/gossip.cfg"
run_tlc "$SCRIPT_DIR/deadlock.tla" "$SCRIPT_DIR/models/deadlock.cfg"
run_tlc "$SCRIPT_DIR/sharding.tla" "$SCRIPT_DIR/models/sharding.cfg"
run_tlc "$SCRIPT_DIR/backup.tla" "$SCRIPT_DIR/models/backup.cfg"
run_tlc "$SCRIPT_DIR/recovery.tla" "$SCRIPT_DIR/models/recovery.cfg"
echo "All verification runs completed."