; SpeckDL: TigerBeetleLedger — Z3 Verification ; Generated by speckl-compile Z3 backend ; Bounded model checking depth: 10 (set-logic ALL) (set-option :produce-models true) (declare-fun speckl_len_Int ( (Array Int Int) ) Int) (declare-sort Account 0) (declare-sort Transfer 0) (declare-sort Replica 0) (declare-sort LogEntry 0) ; --- State Variables --- (declare-const accounts (Array Int Account)) (declare-const transfers (Array Int Transfer)) (declare-const pending (Array Int Bool)) (declare-const replicaState (Array Int Replica)) (declare-const log (Array Int LogEntry)) (declare-const commitIndex Int) (declare-const leader Int) ; --- Invariants --- (define-fun AccountBalanceInvariant () Bool (and (forall ((a Account)) (- (= a_balance a_credits_posted) a_debits_posted)) (forall ((a Account)) (>= a_debits_pending 0) (>= a_credits_pending 0)) ) ) (define-fun TransferStateConsistency () Bool (and (forall ((t Transfer)) t_pending ((=> true true))) (forall ((t Transfer)) t_posted ((=> true true))) (forall ((t Transfer)) t_voided ((=> true true))) ) ) (define-fun NoOverdraft () Bool (and (forall ((a Account)) (or (>= a_balance 0) a_flags.allows_overdraft)) ) ) ; --- Action Transition Predicates --- (define-fun CreateTransferEnabled () Bool (and t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts t_from).(>= balance t_amount) (select accounts t_from).flags_allows_overdraft) ) ) (define-fun CommitTransferEnabled () Bool (and (select pending id) (select transfers_keys id) (select transfers id).(= pending true) ) ) (define-fun VoidTransferEnabled () Bool (and (select pending id) (select transfers_keys id) (select transfers id).(= pending true) ) ) (define-fun PostTransferEnabled () Bool (and t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts t_from).(>= balance t_amount) (select accounts t_from).flags_allows_overdraft) ) ) (define-fun BecomeLeaderEnabled () Bool (and (select replicaState_keys replica) (select replicaState replica).(= role "candidate") (< (select replicaState replica).currentTerm term) ) ) (define-fun AppendEntryEnabled () Bool (and (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex) ) ) ; Next transition relation: CreateTransfer | CommitTransfer | VoidTransfer | PostTransfer | BecomeLeader | AppendEntry (define-fun Next () Bool (or (and (CreateTransferEnabled) (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) (and (CommitTransferEnabled) (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) (and (VoidTransferEnabled) (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) (and (PostTransferEnabled) (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) (and (BecomeLeaderEnabled) (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) (and (AppendEntryEnabled) (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) ; Stuttering step (and (= accounts_post accounts) (= transfers_post transfers) (= pending_post pending) (= replicaState_post replicaState) (= log_post log) (= commitIndex_post commitIndex) (= leader_post leader) ) ) ) ; --- Bounded Model Checking --- ; Verification: Always(AccountBalanceInvariant) ; BMC depth: 10 ; Declare state copies for 10 steps (declare-const accounts_0 (Array Int Account)) (declare-const accounts_1 (Array Int Account)) (declare-const accounts_2 (Array Int Account)) (declare-const accounts_3 (Array Int Account)) (declare-const accounts_4 (Array Int Account)) (declare-const accounts_5 (Array Int Account)) (declare-const accounts_6 (Array Int Account)) (declare-const accounts_7 (Array Int Account)) (declare-const accounts_8 (Array Int Account)) (declare-const accounts_9 (Array Int Account)) (declare-const accounts_10 (Array Int Account)) (declare-const transfers_0 (Array Int Transfer)) (declare-const transfers_1 (Array Int Transfer)) (declare-const transfers_2 (Array Int Transfer)) (declare-const transfers_3 (Array Int Transfer)) (declare-const transfers_4 (Array Int Transfer)) (declare-const transfers_5 (Array Int Transfer)) (declare-const transfers_6 (Array Int Transfer)) (declare-const transfers_7 (Array Int Transfer)) (declare-const transfers_8 (Array Int Transfer)) (declare-const transfers_9 (Array Int Transfer)) (declare-const transfers_10 (Array Int Transfer)) (declare-const pending_0 (Array Int Bool)) (declare-const pending_1 (Array Int Bool)) (declare-const pending_2 (Array Int Bool)) (declare-const pending_3 (Array Int Bool)) (declare-const pending_4 (Array Int Bool)) (declare-const pending_5 (Array Int Bool)) (declare-const pending_6 (Array Int Bool)) (declare-const pending_7 (Array Int Bool)) (declare-const pending_8 (Array Int Bool)) (declare-const pending_9 (Array Int Bool)) (declare-const pending_10 (Array Int Bool)) (declare-const replicaState_0 (Array Int Replica)) (declare-const replicaState_1 (Array Int Replica)) (declare-const replicaState_2 (Array Int Replica)) (declare-const replicaState_3 (Array Int Replica)) (declare-const replicaState_4 (Array Int Replica)) (declare-const replicaState_5 (Array Int Replica)) (declare-const replicaState_6 (Array Int Replica)) (declare-const replicaState_7 (Array Int Replica)) (declare-const replicaState_8 (Array Int Replica)) (declare-const replicaState_9 (Array Int Replica)) (declare-const replicaState_10 (Array Int Replica)) (declare-const log_0 (Array Int LogEntry)) (declare-const log_1 (Array Int LogEntry)) (declare-const log_2 (Array Int LogEntry)) (declare-const log_3 (Array Int LogEntry)) (declare-const log_4 (Array Int LogEntry)) (declare-const log_5 (Array Int LogEntry)) (declare-const log_6 (Array Int LogEntry)) (declare-const log_7 (Array Int LogEntry)) (declare-const log_8 (Array Int LogEntry)) (declare-const log_9 (Array Int LogEntry)) (declare-const log_10 (Array Int LogEntry)) (declare-const commitIndex_0 Int) (declare-const commitIndex_1 Int) (declare-const commitIndex_2 Int) (declare-const commitIndex_3 Int) (declare-const commitIndex_4 Int) (declare-const commitIndex_5 Int) (declare-const commitIndex_6 Int) (declare-const commitIndex_7 Int) (declare-const commitIndex_8 Int) (declare-const commitIndex_9 Int) (declare-const commitIndex_10 Int) (declare-const leader_0 Int) (declare-const leader_1 Int) (declare-const leader_2 Int) (declare-const leader_3 Int) (declare-const leader_4 Int) (declare-const leader_5 Int) (declare-const leader_6 Int) (declare-const leader_7 Int) (declare-const leader_8 Int) (declare-const leader_9 Int) (declare-const leader_10 Int) ; Initial state constraints (assert (and (>= commitIndex_0 0) (>= leader_0 0) ) ) ; Transition constraints (assert ; Step 0 → 1 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_0 t_from).(>= balance t_amount) (select accounts_0 t_from).flags_allows_overdraft) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: CommitTransfer (select pending_0 id) (select transfers_keys id) (select transfers_0 id).(= pending_0 true) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: VoidTransfer (select pending_0 id) (select transfers_keys id) (select transfers_0 id).(= pending_0 true) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_0 t_from).(>= balance t_amount) (select accounts_0 t_from).flags_allows_overdraft) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_0 replica).(= role "candidate") (< (select replicaState_0 replica).currentTerm term) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_0) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) ; Stuttering (and (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) ) ) (assert ; Step 1 → 2 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_1 t_from).(>= balance t_amount) (select accounts_1 t_from).flags_allows_overdraft) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: CommitTransfer (select pending_1 id) (select transfers_keys id) (select transfers_1 id).(= pending_1 true) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: VoidTransfer (select pending_1 id) (select transfers_keys id) (select transfers_1 id).(= pending_1 true) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_1 t_from).(>= balance t_amount) (select accounts_1 t_from).flags_allows_overdraft) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_1 replica).(= role "candidate") (< (select replicaState_1 replica).currentTerm term) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_1) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) ; Stuttering (and (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) ) ) (assert ; Step 2 → 3 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_2 t_from).(>= balance t_amount) (select accounts_2 t_from).flags_allows_overdraft) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: CommitTransfer (select pending_2 id) (select transfers_keys id) (select transfers_2 id).(= pending_2 true) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: VoidTransfer (select pending_2 id) (select transfers_keys id) (select transfers_2 id).(= pending_2 true) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_2 t_from).(>= balance t_amount) (select accounts_2 t_from).flags_allows_overdraft) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_2 replica).(= role "candidate") (< (select replicaState_2 replica).currentTerm term) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_2) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) ; Stuttering (and (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) ) ) (assert ; Step 3 → 4 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_3 t_from).(>= balance t_amount) (select accounts_3 t_from).flags_allows_overdraft) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: CommitTransfer (select pending_3 id) (select transfers_keys id) (select transfers_3 id).(= pending_3 true) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: VoidTransfer (select pending_3 id) (select transfers_keys id) (select transfers_3 id).(= pending_3 true) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_3 t_from).(>= balance t_amount) (select accounts_3 t_from).flags_allows_overdraft) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_3 replica).(= role "candidate") (< (select replicaState_3 replica).currentTerm term) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_3) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) ; Stuttering (and (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) ) ) (assert ; Step 4 → 5 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_4 t_from).(>= balance t_amount) (select accounts_4 t_from).flags_allows_overdraft) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: CommitTransfer (select pending_4 id) (select transfers_keys id) (select transfers_4 id).(= pending_4 true) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: VoidTransfer (select pending_4 id) (select transfers_keys id) (select transfers_4 id).(= pending_4 true) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_4 t_from).(>= balance t_amount) (select accounts_4 t_from).flags_allows_overdraft) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_4 replica).(= role "candidate") (< (select replicaState_4 replica).currentTerm term) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_4) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) ; Stuttering (and (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) ) ) (assert ; Step 5 → 6 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_5 t_from).(>= balance t_amount) (select accounts_5 t_from).flags_allows_overdraft) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: CommitTransfer (select pending_5 id) (select transfers_keys id) (select transfers_5 id).(= pending_5 true) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: VoidTransfer (select pending_5 id) (select transfers_keys id) (select transfers_5 id).(= pending_5 true) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_5 t_from).(>= balance t_amount) (select accounts_5 t_from).flags_allows_overdraft) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_5 replica).(= role "candidate") (< (select replicaState_5 replica).currentTerm term) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_5) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) ; Stuttering (and (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) ) ) (assert ; Step 6 → 7 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_6 t_from).(>= balance t_amount) (select accounts_6 t_from).flags_allows_overdraft) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: CommitTransfer (select pending_6 id) (select transfers_keys id) (select transfers_6 id).(= pending_6 true) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: VoidTransfer (select pending_6 id) (select transfers_keys id) (select transfers_6 id).(= pending_6 true) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_6 t_from).(>= balance t_amount) (select accounts_6 t_from).flags_allows_overdraft) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_6 replica).(= role "candidate") (< (select replicaState_6 replica).currentTerm term) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_6) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) ; Stuttering (and (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) ) ) (assert ; Step 7 → 8 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_7 t_from).(>= balance t_amount) (select accounts_7 t_from).flags_allows_overdraft) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: CommitTransfer (select pending_7 id) (select transfers_keys id) (select transfers_7 id).(= pending_7 true) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: VoidTransfer (select pending_7 id) (select transfers_keys id) (select transfers_7 id).(= pending_7 true) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_7 t_from).(>= balance t_amount) (select accounts_7 t_from).flags_allows_overdraft) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_7 replica).(= role "candidate") (< (select replicaState_7 replica).currentTerm term) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_7) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) ; Stuttering (and (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) ) ) (assert ; Step 8 → 9 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_8 t_from).(>= balance t_amount) (select accounts_8 t_from).flags_allows_overdraft) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: CommitTransfer (select pending_8 id) (select transfers_keys id) (select transfers_8 id).(= pending_8 true) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: VoidTransfer (select pending_8 id) (select transfers_keys id) (select transfers_8 id).(= pending_8 true) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_8 t_from).(>= balance t_amount) (select accounts_8 t_from).flags_allows_overdraft) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_8 replica).(= role "candidate") (< (select replicaState_8 replica).currentTerm term) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_8) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) ; Stuttering (and (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) ) ) (assert ; Step 9 → 10 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_9 t_from).(>= balance t_amount) (select accounts_9 t_from).flags_allows_overdraft) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: CommitTransfer (select pending_9 id) (select transfers_keys id) (select transfers_9 id).(= pending_9 true) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: VoidTransfer (select pending_9 id) (select transfers_keys id) (select transfers_9 id).(= pending_9 true) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_9 t_from).(>= balance t_amount) (select accounts_9 t_from).flags_allows_overdraft) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_9 replica).(= role "candidate") (< (select replicaState_9 replica).currentTerm term) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_9) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) ; Stuttering (and (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) ) ) ; Property assertion: not(invariant at some step) ; Warning: invariant "unnamed" not found in spec (check-sat) (get-model) ; Verification: Always(NoOverdraft) ; BMC depth: 10 ; Declare state copies for 10 steps (declare-const accounts_0 (Array Int Account)) (declare-const accounts_1 (Array Int Account)) (declare-const accounts_2 (Array Int Account)) (declare-const accounts_3 (Array Int Account)) (declare-const accounts_4 (Array Int Account)) (declare-const accounts_5 (Array Int Account)) (declare-const accounts_6 (Array Int Account)) (declare-const accounts_7 (Array Int Account)) (declare-const accounts_8 (Array Int Account)) (declare-const accounts_9 (Array Int Account)) (declare-const accounts_10 (Array Int Account)) (declare-const transfers_0 (Array Int Transfer)) (declare-const transfers_1 (Array Int Transfer)) (declare-const transfers_2 (Array Int Transfer)) (declare-const transfers_3 (Array Int Transfer)) (declare-const transfers_4 (Array Int Transfer)) (declare-const transfers_5 (Array Int Transfer)) (declare-const transfers_6 (Array Int Transfer)) (declare-const transfers_7 (Array Int Transfer)) (declare-const transfers_8 (Array Int Transfer)) (declare-const transfers_9 (Array Int Transfer)) (declare-const transfers_10 (Array Int Transfer)) (declare-const pending_0 (Array Int Bool)) (declare-const pending_1 (Array Int Bool)) (declare-const pending_2 (Array Int Bool)) (declare-const pending_3 (Array Int Bool)) (declare-const pending_4 (Array Int Bool)) (declare-const pending_5 (Array Int Bool)) (declare-const pending_6 (Array Int Bool)) (declare-const pending_7 (Array Int Bool)) (declare-const pending_8 (Array Int Bool)) (declare-const pending_9 (Array Int Bool)) (declare-const pending_10 (Array Int Bool)) (declare-const replicaState_0 (Array Int Replica)) (declare-const replicaState_1 (Array Int Replica)) (declare-const replicaState_2 (Array Int Replica)) (declare-const replicaState_3 (Array Int Replica)) (declare-const replicaState_4 (Array Int Replica)) (declare-const replicaState_5 (Array Int Replica)) (declare-const replicaState_6 (Array Int Replica)) (declare-const replicaState_7 (Array Int Replica)) (declare-const replicaState_8 (Array Int Replica)) (declare-const replicaState_9 (Array Int Replica)) (declare-const replicaState_10 (Array Int Replica)) (declare-const log_0 (Array Int LogEntry)) (declare-const log_1 (Array Int LogEntry)) (declare-const log_2 (Array Int LogEntry)) (declare-const log_3 (Array Int LogEntry)) (declare-const log_4 (Array Int LogEntry)) (declare-const log_5 (Array Int LogEntry)) (declare-const log_6 (Array Int LogEntry)) (declare-const log_7 (Array Int LogEntry)) (declare-const log_8 (Array Int LogEntry)) (declare-const log_9 (Array Int LogEntry)) (declare-const log_10 (Array Int LogEntry)) (declare-const commitIndex_0 Int) (declare-const commitIndex_1 Int) (declare-const commitIndex_2 Int) (declare-const commitIndex_3 Int) (declare-const commitIndex_4 Int) (declare-const commitIndex_5 Int) (declare-const commitIndex_6 Int) (declare-const commitIndex_7 Int) (declare-const commitIndex_8 Int) (declare-const commitIndex_9 Int) (declare-const commitIndex_10 Int) (declare-const leader_0 Int) (declare-const leader_1 Int) (declare-const leader_2 Int) (declare-const leader_3 Int) (declare-const leader_4 Int) (declare-const leader_5 Int) (declare-const leader_6 Int) (declare-const leader_7 Int) (declare-const leader_8 Int) (declare-const leader_9 Int) (declare-const leader_10 Int) ; Initial state constraints (assert (and (>= commitIndex_0 0) (>= leader_0 0) ) ) ; Transition constraints (assert ; Step 0 → 1 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_0 t_from).(>= balance t_amount) (select accounts_0 t_from).flags_allows_overdraft) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: CommitTransfer (select pending_0 id) (select transfers_keys id) (select transfers_0 id).(= pending_0 true) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: VoidTransfer (select pending_0 id) (select transfers_keys id) (select transfers_0 id).(= pending_0 true) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_0 t_from).(>= balance t_amount) (select accounts_0 t_from).flags_allows_overdraft) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_0 replica).(= role "candidate") (< (select replicaState_0 replica).currentTerm term) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_0) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) ; Stuttering (and (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) ) ) (assert ; Step 1 → 2 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_1 t_from).(>= balance t_amount) (select accounts_1 t_from).flags_allows_overdraft) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: CommitTransfer (select pending_1 id) (select transfers_keys id) (select transfers_1 id).(= pending_1 true) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: VoidTransfer (select pending_1 id) (select transfers_keys id) (select transfers_1 id).(= pending_1 true) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_1 t_from).(>= balance t_amount) (select accounts_1 t_from).flags_allows_overdraft) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_1 replica).(= role "candidate") (< (select replicaState_1 replica).currentTerm term) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_1) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) ; Stuttering (and (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) ) ) (assert ; Step 2 → 3 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_2 t_from).(>= balance t_amount) (select accounts_2 t_from).flags_allows_overdraft) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: CommitTransfer (select pending_2 id) (select transfers_keys id) (select transfers_2 id).(= pending_2 true) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: VoidTransfer (select pending_2 id) (select transfers_keys id) (select transfers_2 id).(= pending_2 true) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_2 t_from).(>= balance t_amount) (select accounts_2 t_from).flags_allows_overdraft) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_2 replica).(= role "candidate") (< (select replicaState_2 replica).currentTerm term) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_2) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) ; Stuttering (and (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) ) ) (assert ; Step 3 → 4 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_3 t_from).(>= balance t_amount) (select accounts_3 t_from).flags_allows_overdraft) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: CommitTransfer (select pending_3 id) (select transfers_keys id) (select transfers_3 id).(= pending_3 true) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: VoidTransfer (select pending_3 id) (select transfers_keys id) (select transfers_3 id).(= pending_3 true) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_3 t_from).(>= balance t_amount) (select accounts_3 t_from).flags_allows_overdraft) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_3 replica).(= role "candidate") (< (select replicaState_3 replica).currentTerm term) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_3) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) ; Stuttering (and (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) ) ) (assert ; Step 4 → 5 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_4 t_from).(>= balance t_amount) (select accounts_4 t_from).flags_allows_overdraft) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: CommitTransfer (select pending_4 id) (select transfers_keys id) (select transfers_4 id).(= pending_4 true) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: VoidTransfer (select pending_4 id) (select transfers_keys id) (select transfers_4 id).(= pending_4 true) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_4 t_from).(>= balance t_amount) (select accounts_4 t_from).flags_allows_overdraft) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_4 replica).(= role "candidate") (< (select replicaState_4 replica).currentTerm term) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_4) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) ; Stuttering (and (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) ) ) (assert ; Step 5 → 6 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_5 t_from).(>= balance t_amount) (select accounts_5 t_from).flags_allows_overdraft) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: CommitTransfer (select pending_5 id) (select transfers_keys id) (select transfers_5 id).(= pending_5 true) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: VoidTransfer (select pending_5 id) (select transfers_keys id) (select transfers_5 id).(= pending_5 true) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_5 t_from).(>= balance t_amount) (select accounts_5 t_from).flags_allows_overdraft) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_5 replica).(= role "candidate") (< (select replicaState_5 replica).currentTerm term) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_5) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) ; Stuttering (and (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) ) ) (assert ; Step 6 → 7 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_6 t_from).(>= balance t_amount) (select accounts_6 t_from).flags_allows_overdraft) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: CommitTransfer (select pending_6 id) (select transfers_keys id) (select transfers_6 id).(= pending_6 true) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: VoidTransfer (select pending_6 id) (select transfers_keys id) (select transfers_6 id).(= pending_6 true) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_6 t_from).(>= balance t_amount) (select accounts_6 t_from).flags_allows_overdraft) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_6 replica).(= role "candidate") (< (select replicaState_6 replica).currentTerm term) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_6) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) ; Stuttering (and (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) ) ) (assert ; Step 7 → 8 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_7 t_from).(>= balance t_amount) (select accounts_7 t_from).flags_allows_overdraft) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: CommitTransfer (select pending_7 id) (select transfers_keys id) (select transfers_7 id).(= pending_7 true) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: VoidTransfer (select pending_7 id) (select transfers_keys id) (select transfers_7 id).(= pending_7 true) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_7 t_from).(>= balance t_amount) (select accounts_7 t_from).flags_allows_overdraft) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_7 replica).(= role "candidate") (< (select replicaState_7 replica).currentTerm term) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_7) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) ; Stuttering (and (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) ) ) (assert ; Step 8 → 9 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_8 t_from).(>= balance t_amount) (select accounts_8 t_from).flags_allows_overdraft) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: CommitTransfer (select pending_8 id) (select transfers_keys id) (select transfers_8 id).(= pending_8 true) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: VoidTransfer (select pending_8 id) (select transfers_keys id) (select transfers_8 id).(= pending_8 true) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_8 t_from).(>= balance t_amount) (select accounts_8 t_from).flags_allows_overdraft) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_8 replica).(= role "candidate") (< (select replicaState_8 replica).currentTerm term) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_8) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) ; Stuttering (and (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) ) ) (assert ; Step 9 → 10 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_9 t_from).(>= balance t_amount) (select accounts_9 t_from).flags_allows_overdraft) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: CommitTransfer (select pending_9 id) (select transfers_keys id) (select transfers_9 id).(= pending_9 true) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: VoidTransfer (select pending_9 id) (select transfers_keys id) (select transfers_9 id).(= pending_9 true) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_9 t_from).(>= balance t_amount) (select accounts_9 t_from).flags_allows_overdraft) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_9 replica).(= role "candidate") (< (select replicaState_9 replica).currentTerm term) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_9) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) ; Stuttering (and (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) ) ) ; Property assertion: not(invariant at some step) ; Warning: invariant "unnamed" not found in spec (check-sat) (get-model) ; Verification: Eventually(TransferStateConsistency) ; BMC depth: 10 ; Declare state copies for 10 steps (declare-const accounts_0 (Array Int Account)) (declare-const accounts_1 (Array Int Account)) (declare-const accounts_2 (Array Int Account)) (declare-const accounts_3 (Array Int Account)) (declare-const accounts_4 (Array Int Account)) (declare-const accounts_5 (Array Int Account)) (declare-const accounts_6 (Array Int Account)) (declare-const accounts_7 (Array Int Account)) (declare-const accounts_8 (Array Int Account)) (declare-const accounts_9 (Array Int Account)) (declare-const accounts_10 (Array Int Account)) (declare-const transfers_0 (Array Int Transfer)) (declare-const transfers_1 (Array Int Transfer)) (declare-const transfers_2 (Array Int Transfer)) (declare-const transfers_3 (Array Int Transfer)) (declare-const transfers_4 (Array Int Transfer)) (declare-const transfers_5 (Array Int Transfer)) (declare-const transfers_6 (Array Int Transfer)) (declare-const transfers_7 (Array Int Transfer)) (declare-const transfers_8 (Array Int Transfer)) (declare-const transfers_9 (Array Int Transfer)) (declare-const transfers_10 (Array Int Transfer)) (declare-const pending_0 (Array Int Bool)) (declare-const pending_1 (Array Int Bool)) (declare-const pending_2 (Array Int Bool)) (declare-const pending_3 (Array Int Bool)) (declare-const pending_4 (Array Int Bool)) (declare-const pending_5 (Array Int Bool)) (declare-const pending_6 (Array Int Bool)) (declare-const pending_7 (Array Int Bool)) (declare-const pending_8 (Array Int Bool)) (declare-const pending_9 (Array Int Bool)) (declare-const pending_10 (Array Int Bool)) (declare-const replicaState_0 (Array Int Replica)) (declare-const replicaState_1 (Array Int Replica)) (declare-const replicaState_2 (Array Int Replica)) (declare-const replicaState_3 (Array Int Replica)) (declare-const replicaState_4 (Array Int Replica)) (declare-const replicaState_5 (Array Int Replica)) (declare-const replicaState_6 (Array Int Replica)) (declare-const replicaState_7 (Array Int Replica)) (declare-const replicaState_8 (Array Int Replica)) (declare-const replicaState_9 (Array Int Replica)) (declare-const replicaState_10 (Array Int Replica)) (declare-const log_0 (Array Int LogEntry)) (declare-const log_1 (Array Int LogEntry)) (declare-const log_2 (Array Int LogEntry)) (declare-const log_3 (Array Int LogEntry)) (declare-const log_4 (Array Int LogEntry)) (declare-const log_5 (Array Int LogEntry)) (declare-const log_6 (Array Int LogEntry)) (declare-const log_7 (Array Int LogEntry)) (declare-const log_8 (Array Int LogEntry)) (declare-const log_9 (Array Int LogEntry)) (declare-const log_10 (Array Int LogEntry)) (declare-const commitIndex_0 Int) (declare-const commitIndex_1 Int) (declare-const commitIndex_2 Int) (declare-const commitIndex_3 Int) (declare-const commitIndex_4 Int) (declare-const commitIndex_5 Int) (declare-const commitIndex_6 Int) (declare-const commitIndex_7 Int) (declare-const commitIndex_8 Int) (declare-const commitIndex_9 Int) (declare-const commitIndex_10 Int) (declare-const leader_0 Int) (declare-const leader_1 Int) (declare-const leader_2 Int) (declare-const leader_3 Int) (declare-const leader_4 Int) (declare-const leader_5 Int) (declare-const leader_6 Int) (declare-const leader_7 Int) (declare-const leader_8 Int) (declare-const leader_9 Int) (declare-const leader_10 Int) ; Initial state constraints (assert (and (>= commitIndex_0 0) (>= leader_0 0) ) ) ; Transition constraints (assert ; Step 0 → 1 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_0 t_from).(>= balance t_amount) (select accounts_0 t_from).flags_allows_overdraft) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: CommitTransfer (select pending_0 id) (select transfers_keys id) (select transfers_0 id).(= pending_0 true) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: VoidTransfer (select pending_0 id) (select transfers_keys id) (select transfers_0 id).(= pending_0 true) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_0 t_from).(>= balance t_amount) (select accounts_0 t_from).flags_allows_overdraft) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_0 replica).(= role "candidate") (< (select replicaState_0 replica).currentTerm term) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_0) (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) ; Stuttering (and (= accounts_1 accounts_0) (= transfers_1 transfers_0) (= pending_1 pending_0) (= replicaState_1 replicaState_0) (= log_1 log_0) (= commitIndex_1 commitIndex_0) (= leader_1 leader_0) ) ) ) (assert ; Step 1 → 2 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_1 t_from).(>= balance t_amount) (select accounts_1 t_from).flags_allows_overdraft) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: CommitTransfer (select pending_1 id) (select transfers_keys id) (select transfers_1 id).(= pending_1 true) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: VoidTransfer (select pending_1 id) (select transfers_keys id) (select transfers_1 id).(= pending_1 true) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_1 t_from).(>= balance t_amount) (select accounts_1 t_from).flags_allows_overdraft) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_1 replica).(= role "candidate") (< (select replicaState_1 replica).currentTerm term) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_1) (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) ; Stuttering (and (= accounts_2 accounts_1) (= transfers_2 transfers_1) (= pending_2 pending_1) (= replicaState_2 replicaState_1) (= log_2 log_1) (= commitIndex_2 commitIndex_1) (= leader_2 leader_1) ) ) ) (assert ; Step 2 → 3 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_2 t_from).(>= balance t_amount) (select accounts_2 t_from).flags_allows_overdraft) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: CommitTransfer (select pending_2 id) (select transfers_keys id) (select transfers_2 id).(= pending_2 true) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: VoidTransfer (select pending_2 id) (select transfers_keys id) (select transfers_2 id).(= pending_2 true) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_2 t_from).(>= balance t_amount) (select accounts_2 t_from).flags_allows_overdraft) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_2 replica).(= role "candidate") (< (select replicaState_2 replica).currentTerm term) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_2) (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) ; Stuttering (and (= accounts_3 accounts_2) (= transfers_3 transfers_2) (= pending_3 pending_2) (= replicaState_3 replicaState_2) (= log_3 log_2) (= commitIndex_3 commitIndex_2) (= leader_3 leader_2) ) ) ) (assert ; Step 3 → 4 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_3 t_from).(>= balance t_amount) (select accounts_3 t_from).flags_allows_overdraft) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: CommitTransfer (select pending_3 id) (select transfers_keys id) (select transfers_3 id).(= pending_3 true) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: VoidTransfer (select pending_3 id) (select transfers_keys id) (select transfers_3 id).(= pending_3 true) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_3 t_from).(>= balance t_amount) (select accounts_3 t_from).flags_allows_overdraft) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_3 replica).(= role "candidate") (< (select replicaState_3 replica).currentTerm term) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_3) (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) ; Stuttering (and (= accounts_4 accounts_3) (= transfers_4 transfers_3) (= pending_4 pending_3) (= replicaState_4 replicaState_3) (= log_4 log_3) (= commitIndex_4 commitIndex_3) (= leader_4 leader_3) ) ) ) (assert ; Step 4 → 5 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_4 t_from).(>= balance t_amount) (select accounts_4 t_from).flags_allows_overdraft) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: CommitTransfer (select pending_4 id) (select transfers_keys id) (select transfers_4 id).(= pending_4 true) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: VoidTransfer (select pending_4 id) (select transfers_keys id) (select transfers_4 id).(= pending_4 true) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_4 t_from).(>= balance t_amount) (select accounts_4 t_from).flags_allows_overdraft) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_4 replica).(= role "candidate") (< (select replicaState_4 replica).currentTerm term) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_4) (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) ; Stuttering (and (= accounts_5 accounts_4) (= transfers_5 transfers_4) (= pending_5 pending_4) (= replicaState_5 replicaState_4) (= log_5 log_4) (= commitIndex_5 commitIndex_4) (= leader_5 leader_4) ) ) ) (assert ; Step 5 → 6 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_5 t_from).(>= balance t_amount) (select accounts_5 t_from).flags_allows_overdraft) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: CommitTransfer (select pending_5 id) (select transfers_keys id) (select transfers_5 id).(= pending_5 true) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: VoidTransfer (select pending_5 id) (select transfers_keys id) (select transfers_5 id).(= pending_5 true) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_5 t_from).(>= balance t_amount) (select accounts_5 t_from).flags_allows_overdraft) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_5 replica).(= role "candidate") (< (select replicaState_5 replica).currentTerm term) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_5) (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) ; Stuttering (and (= accounts_6 accounts_5) (= transfers_6 transfers_5) (= pending_6 pending_5) (= replicaState_6 replicaState_5) (= log_6 log_5) (= commitIndex_6 commitIndex_5) (= leader_6 leader_5) ) ) ) (assert ; Step 6 → 7 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_6 t_from).(>= balance t_amount) (select accounts_6 t_from).flags_allows_overdraft) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: CommitTransfer (select pending_6 id) (select transfers_keys id) (select transfers_6 id).(= pending_6 true) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: VoidTransfer (select pending_6 id) (select transfers_keys id) (select transfers_6 id).(= pending_6 true) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_6 t_from).(>= balance t_amount) (select accounts_6 t_from).flags_allows_overdraft) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_6 replica).(= role "candidate") (< (select replicaState_6 replica).currentTerm term) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_6) (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) ; Stuttering (and (= accounts_7 accounts_6) (= transfers_7 transfers_6) (= pending_7 pending_6) (= replicaState_7 replicaState_6) (= log_7 log_6) (= commitIndex_7 commitIndex_6) (= leader_7 leader_6) ) ) ) (assert ; Step 7 → 8 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_7 t_from).(>= balance t_amount) (select accounts_7 t_from).flags_allows_overdraft) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: CommitTransfer (select pending_7 id) (select transfers_keys id) (select transfers_7 id).(= pending_7 true) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: VoidTransfer (select pending_7 id) (select transfers_keys id) (select transfers_7 id).(= pending_7 true) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_7 t_from).(>= balance t_amount) (select accounts_7 t_from).flags_allows_overdraft) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_7 replica).(= role "candidate") (< (select replicaState_7 replica).currentTerm term) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_7) (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) ; Stuttering (and (= accounts_8 accounts_7) (= transfers_8 transfers_7) (= pending_8 pending_7) (= replicaState_8 replicaState_7) (= log_8 log_7) (= commitIndex_8 commitIndex_7) (= leader_8 leader_7) ) ) ) (assert ; Step 8 → 9 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_8 t_from).(>= balance t_amount) (select accounts_8 t_from).flags_allows_overdraft) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: CommitTransfer (select pending_8 id) (select transfers_keys id) (select transfers_8 id).(= pending_8 true) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: VoidTransfer (select pending_8 id) (select transfers_keys id) (select transfers_8 id).(= pending_8 true) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_8 t_from).(>= balance t_amount) (select accounts_8 t_from).flags_allows_overdraft) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_8 replica).(= role "candidate") (< (select replicaState_8 replica).currentTerm term) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_8) (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) ; Stuttering (and (= accounts_9 accounts_8) (= transfers_9 transfers_8) (= pending_9 pending_8) (= replicaState_9 replicaState_8) (= log_9 log_8) (= commitIndex_9 commitIndex_8) (= leader_9 leader_8) ) ) ) (assert ; Step 9 → 10 (or (and ; Action: CreateTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_9 t_from).(>= balance t_amount) (select accounts_9 t_from).flags_allows_overdraft) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: CommitTransfer (select pending_9 id) (select transfers_keys id) (select transfers_9 id).(= pending_9 true) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: VoidTransfer (select pending_9 id) (select transfers_keys id) (select transfers_9 id).(= pending_9 true) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: PostTransfer t_id notIn transfers_keys (select accounts_keys t_from) (select accounts_keys t_to) t_from distinct t_to (or (select accounts_9 t_from).(>= balance t_amount) (select accounts_9 t_from).flags_allows_overdraft) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: BecomeLeader (select replicaState_keys replica) (select replicaState_9 replica).(= role "candidate") (< (select replicaState_9 replica).currentTerm term) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) (and ; Action: AppendEntry (+ entry_index = (speckl_len_Int log) 1) (>= term commitIndex_9) (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) ; Stuttering (and (= accounts_10 accounts_9) (= transfers_10 transfers_9) (= pending_10 pending_9) (= replicaState_10 replicaState_9) (= log_10 log_9) (= commitIndex_10 commitIndex_9) (= leader_10 leader_9) ) ) ) ; Property assertion: not(invariant at some step) (assert (and (not (unnamed_0)) (not (unnamed_1)) (not (unnamed_2)) (not (unnamed_3)) (not (unnamed_4)) (not (unnamed_5)) (not (unnamed_6)) (not (unnamed_7)) (not (unnamed_8)) (not (unnamed_9)) (not (unnamed_10)) ) ) (echo "Checking: Eventually(unnamed)") (check-sat) (get-model)