How to use ShuttingDown method of Microsoft.Coyote.Actors.BugFinding.Tests.Available class

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.Available.ShuttingDown

RaftTests.cs

Source:RaftTests.cs Github

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...98 }99 private class Availability : StateGroup100 {101 [OnEventDoAction(typeof(NotifyLeaderUpdate), nameof(BecomeAvailable))]102 [OnEventDoAction(typeof(ShutDown), nameof(ShuttingDown))]103 [OnEventGotoState(typeof(LocalEvent), typeof(Available))]104 [DeferEvents(typeof(Client.Request))]105 public class Unavailable : State106 {107 }108 [OnEventDoAction(typeof(Client.Request), nameof(SendClientRequestToLeader))]109 [OnEventDoAction(typeof(RedirectRequest), nameof(RedirectClientRequest))]110 [OnEventDoAction(typeof(NotifyLeaderUpdate), nameof(RefreshLeader))]111 [OnEventDoAction(typeof(ShutDown), nameof(ShuttingDown))]112 [OnEventGotoState(typeof(LocalEvent), typeof(Unavailable))]113 public class Available : State114 {115 }116 }117 private void BecomeAvailable(Event e)118 {119 this.UpdateLeader(e as NotifyLeaderUpdate);120 this.RaiseEvent(new LocalEvent());121 }122 private void SendClientRequestToLeader(Event e)123 {124 this.SendEvent(this.Leader, e);125 }126 private void RedirectClientRequest(Event e)127 {128 this.SendEvent(this.Id, (e as RedirectRequest).Request);129 }130 private void RefreshLeader(Event e)131 {132 this.UpdateLeader(e as NotifyLeaderUpdate);133 }134 private void ShuttingDown()135 {136 for (int idx = 0; idx < this.NumberOfServers; idx++)137 {138 this.SendEvent(this.Servers[idx], new Server.ShutDown());139 }140 this.RaiseHaltEvent();141 }142 private void UpdateLeader(NotifyLeaderUpdate request)143 {144 if (this.LeaderTerm < request.Term)145 {146 this.Leader = request.Leader;147 this.LeaderTerm = request.Term;148 }149 }150 }151 /// <summary>152 /// A server in Raft can be one of the following three roles:153 /// follower, candidate or leader.154 /// </summary>155 private class Server : StateMachine156 {157 /// <summary>158 /// Used to configure the server.159 /// </summary>160 public class ConfigureEvent : Event161 {162 public int Id;163 public ActorId[] Servers;164 public ActorId ClusterManager;165 public ConfigureEvent(int id, ActorId[] servers, ActorId manager)166 : base()167 {168 this.Id = id;169 this.Servers = servers;170 this.ClusterManager = manager;171 }172 }173 /// <summary>174 /// Initiated by candidates during elections.175 /// </summary>176 public class VoteRequest : Event177 {178 public int Term; // candidate's term179 public ActorId CandidateId; // candidate requesting vote180 public int LastLogIndex; // index of candidate's last log entry181 public int LastLogTerm; // term of candidate's last log entry182 public VoteRequest(int term, ActorId candidateId, int lastLogIndex, int lastLogTerm)183 : base()184 {185 this.Term = term;186 this.CandidateId = candidateId;187 this.LastLogIndex = lastLogIndex;188 this.LastLogTerm = lastLogTerm;189 }190 }191 /// <summary>192 /// Response to a vote request.193 /// </summary>194 public class VoteResponse : Event195 {196 public int Term; // currentTerm, for candidate to update itself197 public bool VoteGranted; // true means candidate received vote198 public VoteResponse(int term, bool voteGranted)199 : base()200 {201 this.Term = term;202 this.VoteGranted = voteGranted;203 }204 }205 /// <summary>206 /// Initiated by leaders to replicate log entries and207 /// to provide a form of heartbeat.208 /// </summary>209 public class AppendEntriesRequest : Event210 {211 public int Term; // leader's term212 public ActorId LeaderId; // so follower can redirect clients213 public int PrevLogIndex; // index of log entry immediately preceding new ones214 public int PrevLogTerm; // term of PrevLogIndex entry215 public List<Log> Entries; // log entries to store (empty for heartbeat; may send more than one for efficiency)216 public int LeaderCommit; // leader's CommitIndex217 public ActorId ReceiverEndpoint; // client218 public AppendEntriesRequest(int term, ActorId leaderId, int prevLogIndex,219 int prevLogTerm, List<Log> entries, int leaderCommit, ActorId client)220 : base()221 {222 this.Term = term;223 this.LeaderId = leaderId;224 this.PrevLogIndex = prevLogIndex;225 this.PrevLogTerm = prevLogTerm;226 this.Entries = entries;227 this.LeaderCommit = leaderCommit;228 this.ReceiverEndpoint = client;229 }230 }231 /// <summary>232 /// Response to an append entries request.233 /// </summary>234 public class AppendEntriesResponse : Event235 {236 public int Term; // current Term, for leader to update itself237 public bool Success; // true if follower contained entry matching PrevLogIndex and PrevLogTerm238 public ActorId Server;239 public ActorId ReceiverEndpoint; // client240 public AppendEntriesResponse(int term, bool success, ActorId server, ActorId client)241 : base()242 {243 this.Term = term;244 this.Success = success;245 this.Server = server;246 this.ReceiverEndpoint = client;247 }248 }249 // Events for transitioning a server between roles.250 private class BecomeFollower : Event251 {252 }253 private class BecomeCandidate : Event254 {255 }256 private class BecomeLeader : Event257 {258 }259 internal class ShutDown : Event260 {261 }262 /// <summary>263 /// The id of this server.264 /// </summary>265 private int ServerId;266 /// <summary>267 /// The cluster manager id.268 /// </summary>269 private ActorId ClusterManager;270 /// <summary>271 /// The servers.272 /// </summary>273 private ActorId[] Servers;274 /// <summary>275 /// Leader id.276 /// </summary>277 private ActorId LeaderId;278 /// <summary>279 /// The election timer of this server.280 /// </summary>281 private ActorId ElectionTimer;282 /// <summary>283 /// The periodic timer of this server.284 /// </summary>285 private ActorId PeriodicTimer;286 /// <summary>287 /// Latest term server has seen (initialized to 0 on288 /// first boot, increases monotonically).289 /// </summary>290 private int CurrentTerm;291 /// <summary>292 /// Candidate id that received vote in current term (or null if none).293 /// </summary>294 private ActorId VotedFor;295 /// <summary>296 /// Log entries.297 /// </summary>298 private List<Log> Logs;299 /// <summary>300 /// Index of highest log entry known to be committed (initialized301 /// to 0, increases monotonically).302 /// </summary>303 private int CommitIndex;304 /// <summary>305 /// Index of the highest log entry applied (initialized to 0, increases monotonically).306 /// </summary>307 private int LastApplied;308 /// <summary>309 /// For each server, index of the next log entry to send to that310 /// server (initialized to leader last log index + 1).311 /// </summary>312 private Dictionary<ActorId, int> NextIndex;313 /// <summary>314 /// For each server, index of highest log entry known to be replicated315 /// on server (initialized to 0, increases monotonically).316 /// </summary>317 private Dictionary<ActorId, int> MatchIndex;318 /// <summary>319 /// Number of received votes.320 /// </summary>321 private int VotesReceived;322 /// <summary>323 /// The latest client request.324 /// </summary>325 private Client.Request LastClientRequest;326 [Start]327 [OnEntry(nameof(EntryOnInit))]328 [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]329 [OnEventGotoState(typeof(BecomeFollower), typeof(Follower))]330 [DeferEvents(typeof(VoteRequest), typeof(AppendEntriesRequest))]331 private class Init : State332 {333 }334 private void EntryOnInit()335 {336 this.CurrentTerm = 0;337 this.LeaderId = null;338 this.VotedFor = null;339 this.Logs = new List<Log>();340 this.CommitIndex = 0;341 this.LastApplied = 0;342 this.NextIndex = new Dictionary<ActorId, int>();343 this.MatchIndex = new Dictionary<ActorId, int>();344 }345 private void SetupEvent(Event e)346 {347 this.ServerId = (e as ConfigureEvent).Id;348 this.Servers = (e as ConfigureEvent).Servers;349 this.ClusterManager = (e as ConfigureEvent).ClusterManager;350 this.ElectionTimer = this.CreateActor(typeof(ElectionTimer));351 this.SendEvent(this.ElectionTimer, new ElectionTimer.ConfigureEvent(this.Id));352 this.PeriodicTimer = this.CreateActor(typeof(PeriodicTimer));353 this.SendEvent(this.PeriodicTimer, new PeriodicTimer.ConfigureEvent(this.Id));354 this.RaiseEvent(new BecomeFollower());355 }356 [OnEntry(nameof(FollowerOnInit))]357 [OnEventDoAction(typeof(Client.Request), nameof(RedirectClientRequest))]358 [OnEventDoAction(typeof(VoteRequest), nameof(VoteAsFollower))]359 [OnEventDoAction(typeof(VoteResponse), nameof(RespondVoteAsFollower))]360 [OnEventDoAction(typeof(AppendEntriesRequest), nameof(AppendEntriesAsFollower))]361 [OnEventDoAction(typeof(AppendEntriesResponse), nameof(RespondAppendEntriesAsFollower))]362 [OnEventDoAction(typeof(ElectionTimer.Timeout), nameof(StartLeaderElection))]363 [OnEventDoAction(typeof(ShutDown), nameof(ShuttingDown))]364 [OnEventGotoState(typeof(BecomeFollower), typeof(Follower))]365 [OnEventGotoState(typeof(BecomeCandidate), typeof(Candidate))]366 [IgnoreEvents(typeof(PeriodicTimer.Timeout))]367 private class Follower : State368 {369 }370 private void FollowerOnInit()371 {372 this.LeaderId = null;373 this.VotesReceived = 0;374 this.SendEvent(this.ElectionTimer, new ElectionTimer.StartTimerEvent());375 }376 private void RedirectClientRequest(Event e)377 {378 if (this.LeaderId != null)379 {380 this.SendEvent(this.LeaderId, e);381 }382 else383 {384 this.SendEvent(this.ClusterManager, new ClusterManager.RedirectRequest(e));385 }386 }387 private void StartLeaderElection()388 {389 this.RaiseEvent(new BecomeCandidate());390 }391 private void VoteAsFollower(Event e)392 {393 var request = e as VoteRequest;394 if (request.Term > this.CurrentTerm)395 {396 this.CurrentTerm = request.Term;397 this.VotedFor = null;398 }399 this.Vote(e as VoteRequest);400 }401 private void RespondVoteAsFollower(Event e)402 {403 var request = e as VoteResponse;404 if (request.Term > this.CurrentTerm)405 {406 this.CurrentTerm = request.Term;407 this.VotedFor = null;408 }409 }410 private void AppendEntriesAsFollower(Event e)411 {412 var request = e as AppendEntriesRequest;413 if (request.Term > this.CurrentTerm)414 {415 this.CurrentTerm = request.Term;416 this.VotedFor = null;417 }418 this.AppendEntries(e as AppendEntriesRequest);419 }420 private void RespondAppendEntriesAsFollower(Event e)421 {422 var request = e as AppendEntriesResponse;423 if (request.Term > this.CurrentTerm)424 {425 this.CurrentTerm = request.Term;426 this.VotedFor = null;427 }428 }429 [OnEntry(nameof(CandidateOnInit))]430 [OnEventDoAction(typeof(Client.Request), nameof(RedirectClientRequest))]431 [OnEventDoAction(typeof(VoteRequest), nameof(VoteAsCandidate))]432 [OnEventDoAction(typeof(VoteResponse), nameof(RespondVoteAsCandidate))]433 [OnEventDoAction(typeof(AppendEntriesRequest), nameof(AppendEntriesAsCandidate))]434 [OnEventDoAction(typeof(AppendEntriesResponse), nameof(RespondAppendEntriesAsCandidate))]435 [OnEventDoAction(typeof(ElectionTimer.Timeout), nameof(StartLeaderElection))]436 [OnEventDoAction(typeof(PeriodicTimer.Timeout), nameof(BroadcastVoteRequests))]437 [OnEventDoAction(typeof(ShutDown), nameof(ShuttingDown))]438 [OnEventGotoState(typeof(BecomeLeader), typeof(Leader))]439 [OnEventGotoState(typeof(BecomeFollower), typeof(Follower))]440 [OnEventGotoState(typeof(BecomeCandidate), typeof(Candidate))]441 private class Candidate : State442 {443 }444 private void CandidateOnInit()445 {446 this.CurrentTerm++;447 this.VotedFor = this.Id;448 this.VotesReceived = 1;449 this.SendEvent(this.ElectionTimer, new ElectionTimer.StartTimerEvent());450 this.BroadcastVoteRequests();451 }452 private void BroadcastVoteRequests()453 {454 // BUG: duplicate votes from same follower455 this.SendEvent(this.PeriodicTimer, new PeriodicTimer.StartTimerEvent());456 for (int idx = 0; idx < this.Servers.Length; idx++)457 {458 if (idx == this.ServerId)459 {460 continue;461 }462 var lastLogIndex = this.Logs.Count;463 var lastLogTerm = this.GetLogTermForIndex(lastLogIndex);464 this.SendEvent(this.Servers[idx], new VoteRequest(this.CurrentTerm, this.Id,465 lastLogIndex, lastLogTerm));466 }467 }468 private void VoteAsCandidate(Event e)469 {470 var request = e as VoteRequest;471 if (request.Term > this.CurrentTerm)472 {473 this.CurrentTerm = request.Term;474 this.VotedFor = null;475 this.Vote(e as VoteRequest);476 this.RaiseEvent(new BecomeFollower());477 }478 else479 {480 this.Vote(e as VoteRequest);481 }482 }483 private void RespondVoteAsCandidate(Event e)484 {485 var request = e as VoteResponse;486 if (request.Term > this.CurrentTerm)487 {488 this.CurrentTerm = request.Term;489 this.VotedFor = null;490 this.RaiseEvent(new BecomeFollower());491 }492 else if (request.Term != this.CurrentTerm)493 {494 return;495 }496 if (request.VoteGranted)497 {498 this.VotesReceived++;499 if (this.VotesReceived >= (this.Servers.Length / 2) + 1)500 {501 this.VotesReceived = 0;502 this.RaiseEvent(new BecomeLeader());503 }504 }505 }506 private void AppendEntriesAsCandidate(Event e)507 {508 var request = e as AppendEntriesRequest;509 if (request.Term > this.CurrentTerm)510 {511 this.CurrentTerm = request.Term;512 this.VotedFor = null;513 this.AppendEntries(e as AppendEntriesRequest);514 this.RaiseEvent(new BecomeFollower());515 }516 else517 {518 this.AppendEntries(e as AppendEntriesRequest);519 }520 }521 private void RespondAppendEntriesAsCandidate(Event e)522 {523 var request = e as AppendEntriesResponse;524 if (request.Term > this.CurrentTerm)525 {526 this.CurrentTerm = request.Term;527 this.VotedFor = null;528 this.RaiseEvent(new BecomeFollower());529 }530 }531 [OnEntry(nameof(LeaderOnInit))]532 [OnEventDoAction(typeof(Client.Request), nameof(ProcessClientRequest))]533 [OnEventDoAction(typeof(VoteRequest), nameof(VoteAsLeader))]534 [OnEventDoAction(typeof(VoteResponse), nameof(RespondVoteAsLeader))]535 [OnEventDoAction(typeof(AppendEntriesRequest), nameof(AppendEntriesAsLeader))]536 [OnEventDoAction(typeof(AppendEntriesResponse), nameof(RespondAppendEntriesAsLeader))]537 [OnEventDoAction(typeof(ShutDown), nameof(ShuttingDown))]538 [OnEventGotoState(typeof(BecomeFollower), typeof(Follower))]539 [IgnoreEvents(typeof(ElectionTimer.Timeout), typeof(PeriodicTimer.Timeout))]540 private class Leader : State541 {542 }543 private void LeaderOnInit()544 {545 this.Monitor<SafetyMonitor>(new SafetyMonitor.NotifyLeaderElected(this.CurrentTerm));546 this.SendEvent(this.ClusterManager, new ClusterManager.NotifyLeaderUpdate(this.Id, this.CurrentTerm));547 var logIndex = this.Logs.Count;548 var logTerm = this.GetLogTermForIndex(logIndex);549 this.NextIndex.Clear();550 this.MatchIndex.Clear();551 for (int idx = 0; idx < this.Servers.Length; idx++)552 {553 if (idx == this.ServerId)554 {555 continue;556 }557 this.NextIndex.Add(this.Servers[idx], logIndex + 1);558 this.MatchIndex.Add(this.Servers[idx], 0);559 }560 for (int idx = 0; idx < this.Servers.Length; idx++)561 {562 if (idx == this.ServerId)563 {564 continue;565 }566 this.SendEvent(this.Servers[idx], new AppendEntriesRequest(this.CurrentTerm, this.Id,567 logIndex, logTerm, new List<Log>(), this.CommitIndex, null));568 }569 }570 private void ProcessClientRequest(Event e)571 {572 this.LastClientRequest = e as Client.Request;573 var log = new Log(this.CurrentTerm, this.LastClientRequest.Command);574 this.Logs.Add(log);575 this.BroadcastLastClientRequest();576 }577 private void BroadcastLastClientRequest()578 {579 var lastLogIndex = this.Logs.Count;580 this.VotesReceived = 1;581 for (int idx = 0; idx < this.Servers.Length; idx++)582 {583 if (idx == this.ServerId)584 {585 continue;586 }587 var server = this.Servers[idx];588 if (lastLogIndex < this.NextIndex[server])589 {590 continue;591 }592 var logs = this.Logs.GetRange(this.NextIndex[server] - 1, this.Logs.Count - (this.NextIndex[server] - 1));593 var prevLogIndex = this.NextIndex[server] - 1;594 var prevLogTerm = this.GetLogTermForIndex(prevLogIndex);595 this.SendEvent(server, new AppendEntriesRequest(this.CurrentTerm, this.Id, prevLogIndex,596 prevLogTerm, logs, this.CommitIndex, this.LastClientRequest.Client));597 }598 }599 private void VoteAsLeader(Event e)600 {601 var request = e as VoteRequest;602 if (request.Term > this.CurrentTerm)603 {604 this.CurrentTerm = request.Term;605 this.VotedFor = null;606 this.RedirectLastClientRequestToClusterManager();607 this.Vote(e as VoteRequest);608 this.RaiseEvent(new BecomeFollower());609 }610 else611 {612 this.Vote(e as VoteRequest);613 }614 }615 private void RespondVoteAsLeader(Event e)616 {617 var request = e as VoteResponse;618 if (request.Term > this.CurrentTerm)619 {620 this.CurrentTerm = request.Term;621 this.VotedFor = null;622 this.RedirectLastClientRequestToClusterManager();623 this.RaiseEvent(new BecomeFollower());624 }625 }626 private void AppendEntriesAsLeader(Event e)627 {628 var request = e as AppendEntriesRequest;629 if (request.Term > this.CurrentTerm)630 {631 this.CurrentTerm = request.Term;632 this.VotedFor = null;633 this.RedirectLastClientRequestToClusterManager();634 this.AppendEntries(e as AppendEntriesRequest);635 this.RaiseEvent(new BecomeFollower());636 }637 }638 private void RespondAppendEntriesAsLeader(Event e)639 {640 var request = e as AppendEntriesResponse;641 if (request.Term > this.CurrentTerm)642 {643 this.CurrentTerm = request.Term;644 this.VotedFor = null;645 this.RedirectLastClientRequestToClusterManager();646 this.RaiseEvent(new BecomeFollower());647 }648 else if (request.Term != this.CurrentTerm)649 {650 return;651 }652 if (request.Success)653 {654 this.NextIndex[request.Server] = this.Logs.Count + 1;655 this.MatchIndex[request.Server] = this.Logs.Count;656 this.VotesReceived++;657 if (request.ReceiverEndpoint != null &&658 this.VotesReceived >= (this.Servers.Length / 2) + 1)659 {660 var commitIndex = this.MatchIndex[request.Server];661 if (commitIndex > this.CommitIndex &&662 this.Logs[commitIndex - 1].Term == this.CurrentTerm)663 {664 this.CommitIndex = commitIndex;665 }666 this.VotesReceived = 0;667 this.LastClientRequest = null;668 this.SendEvent(request.ReceiverEndpoint, new Client.Response());669 }670 }671 else672 {673 if (this.NextIndex[request.Server] > 1)674 {675 this.NextIndex[request.Server] = this.NextIndex[request.Server] - 1;676 }677 var logs = this.Logs.GetRange(this.NextIndex[request.Server] - 1, this.Logs.Count - (this.NextIndex[request.Server] - 1));678 var prevLogIndex = this.NextIndex[request.Server] - 1;679 var prevLogTerm = this.GetLogTermForIndex(prevLogIndex);680 this.SendEvent(request.Server, new AppendEntriesRequest(this.CurrentTerm, this.Id, prevLogIndex,681 prevLogTerm, logs, this.CommitIndex, request.ReceiverEndpoint));682 }683 }684 /// <summary>685 /// Processes the given vote request.686 /// </summary>687 /// <param name="request">VoteRequest.</param>688 private void Vote(VoteRequest request)689 {690 var lastLogIndex = this.Logs.Count;691 var lastLogTerm = this.GetLogTermForIndex(lastLogIndex);692 if (request.Term < this.CurrentTerm ||693 (this.VotedFor != null && this.VotedFor != request.CandidateId) ||694 lastLogIndex > request.LastLogIndex ||695 lastLogTerm > request.LastLogTerm)696 {697 this.SendEvent(request.CandidateId, new VoteResponse(this.CurrentTerm, false));698 }699 else700 {701 this.VotedFor = request.CandidateId;702 this.LeaderId = null;703 this.SendEvent(request.CandidateId, new VoteResponse(this.CurrentTerm, true));704 }705 }706 /// <summary>707 /// Processes the given append entries request.708 /// </summary>709 /// <param name="request">AppendEntriesRequest.</param>710 private void AppendEntries(AppendEntriesRequest request)711 {712 if (request.Term < this.CurrentTerm)713 {714 this.SendEvent(request.LeaderId, new AppendEntriesResponse(this.CurrentTerm, false,715 this.Id, request.ReceiverEndpoint));716 }717 else718 {719 if (request.PrevLogIndex > 0 &&720 (this.Logs.Count < request.PrevLogIndex ||721 this.Logs[request.PrevLogIndex - 1].Term != request.PrevLogTerm))722 {723 this.SendEvent(request.LeaderId, new AppendEntriesResponse(this.CurrentTerm, false, this.Id, request.ReceiverEndpoint));724 }725 else726 {727 if (request.Entries.Count > 0)728 {729 var currentIndex = request.PrevLogIndex + 1;730 foreach (var entry in request.Entries)731 {732 if (this.Logs.Count < currentIndex)733 {734 this.Logs.Add(entry);735 }736 else if (this.Logs[currentIndex - 1].Term != entry.Term)737 {738 this.Logs.RemoveRange(currentIndex - 1, this.Logs.Count - (currentIndex - 1));739 this.Logs.Add(entry);740 }741 currentIndex++;742 }743 }744 if (request.LeaderCommit > this.CommitIndex &&745 this.Logs.Count < request.LeaderCommit)746 {747 this.CommitIndex = this.Logs.Count;748 }749 else if (request.LeaderCommit > this.CommitIndex)750 {751 this.CommitIndex = request.LeaderCommit;752 }753 if (this.CommitIndex > this.LastApplied)754 {755 this.LastApplied++;756 }757 this.LeaderId = request.LeaderId;758 this.SendEvent(request.LeaderId, new AppendEntriesResponse(this.CurrentTerm, true, this.Id, request.ReceiverEndpoint));759 }760 }761 }762 private void RedirectLastClientRequestToClusterManager()763 {764 if (this.LastClientRequest != null)765 {766 this.SendEvent(this.ClusterManager, this.LastClientRequest);767 }768 }769 /// <summary>770 /// Returns the log term for the given log index.771 /// </summary>772 /// <param name="logIndex">Index.</param>773 /// <returns>Term.</returns>774 private int GetLogTermForIndex(int logIndex)775 {776 var logTerm = 0;777 if (logIndex > 0)778 {779 logTerm = this.Logs[logIndex - 1].Term;780 }781 return logTerm;782 }783 private void ShuttingDown()784 {785 this.SendEvent(this.ElectionTimer, HaltEvent.Instance);786 this.SendEvent(this.PeriodicTimer, HaltEvent.Instance);787 this.RaiseHaltEvent();788 }789 }790 private class Client : StateMachine791 {792 /// <summary>793 /// Used to configure the client.794 /// </summary>795 public class ConfigureEvent : Event796 {797 public ActorId Cluster;...

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1{2 using System;3 using System.Collections.Generic;4 using System.Diagnostics;5 using System.Threading.Tasks;6 using Microsoft.Coyote.Actors;7 using Microsoft.Coyote.Actors.BugFinding;8 using Microsoft.Coyote.Actors.BugFinding.Tests;9 using Microsoft.Coyote.Actors.BugFinding.Tests.Available;10 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine;11 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers;12 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.Events;13 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States;14 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events;15 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events;16 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events;17 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events.Events;18 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events.Events.Events;19 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events.Events.Events.Events;20 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events.Events.Events.Events.Events;21 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events.Events.Events.Events.Events.Events;22 using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Machine.Timers.States.Events.Events.Events.Events.Events.Events.Events.Events.Events;

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding.Tests;6{7 {8 public static async Task Main(string[] args)9 {10 var config = Configuration.Create();11 config.LivenessTemperatureThreshold = 1;12 config.SchedulingIterations = 10;13 config.SchedulingStrategy = SchedulingStrategy.FairPCT;

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5{6 {7 static void Main(string[] args)8 {9 var runtime = RuntimeFactory.Create();10 runtime.CreateActor(typeof(Available));11 runtime.CreateActor(typeof(Actor1));12 runtime.Wait();13 }14 }15 {16 protected override async Task OnInitializeAsync(Event initialEvent)17 {18 var available = this.Runtime.CreateActor(typeof(Available));19 await this.SendEventAsync(available, new Available.Request());20 await this.ReceiveEventAsync(typeof(Available.Response));21 await this.SendEventAsync(available, new Available.Shutdown());22 await this.ReceiveEventAsync(typeof(Available.Shutdown));23 }24 }25}26using System;27using System.Threading.Tasks;28using Microsoft.Coyote.Actors;29using Microsoft.Coyote.Actors.BugFinding.Tests;30{31 {32 static void Main(string[] args)33 {34 var runtime = RuntimeFactory.Create();35 runtime.CreateActor(typeof(Available));36 runtime.CreateActor(typeof(Actor1));37 runtime.Wait();38 }39 }40 {41 protected override async Task OnInitializeAsync(Event initialEvent)42 {43 var available = this.Runtime.CreateActor(typeof(Available));44 await this.SendEventAsync(available, new Available.Request());45 await this.ReceiveEventAsync(typeof(Available.Response));46 await this.SendEventAsync(available, new Available.Shutdown());47 await this.ReceiveEventAsync(typeof(Available.Shutdown));48 }49 }50}51using System;52using System.Threading.Tasks;53using Microsoft.Coyote.Actors;54using Microsoft.Coyote.Actors.BugFinding.Tests;55{56 {57 static void Main(string[] args)58 {59 var runtime = RuntimeFactory.Create();60 runtime.CreateActor(typeof(Available));61 runtime.CreateActor(typeof(Actor1));62 runtime.Wait();

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5using Microsoft.Coyote.Actors.BugFinding.Tests.Available;6using Microsoft.Coyote.Specifications;7using Microsoft.Coyote.SystematicTesting;8using Microsoft.Coyote.SystematicTesting.Strategies;9using Microsoft.Coyote.SystematicTesting.Strategies.StateCaching;10using Microsoft.Coyote.Tasks;11{12 {13 public static async Task Main(string[] args)14 {15 var configuration = Configuration.Create().WithTestingIterations(100);16 var test = new SystematicTestingEngine(configuration);17 test.RegisterStrategy(new StateCachingStrategy());18 test.RegisterMonitor<AvailableMonitor>();19 test.RegisterMonitor<ShuttingDownMonitor>();20 var result = await test.RunAsync();21 Console.WriteLine(result);22 }23 }24 {25 [OnEventGotoState(typeof(Available), typeof(Available))]26 class Init : MonitorState { }27 [OnEventGotoState(typeof(ShuttingDown), typeof(ShuttingDown))]28 class Available : MonitorState { }29 [OnEventGotoState(typeof(Available), typeof(Available))]30 class ShuttingDown : MonitorState { }31 }32 {33 [OnEventGotoState(typeof(ShuttingDown), typeof(ShuttingDown))]34 class Init : MonitorState { }35 [OnEventGotoState(typeof(Available), typeof(Available))]36 class ShuttingDown : MonitorState { }37 [OnEventGotoState(typeof(ShuttingDown), typeof(ShuttingDown))]38 class Available : MonitorState { }39 }40}41using System;42using System.Threading.Tasks;43using Microsoft.Coyote.Actors;44using Microsoft.Coyote.Actors.BugFinding.Tests;45using Microsoft.Coyote.Actors.BugFinding.Tests.Available;46using Microsoft.Coyote.Specifications;47using Microsoft.Coyote.SystematicTesting;48using Microsoft.Coyote.SystematicTesting.Strategies;

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1using System;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests;4{5 {6 public ActorId Id;7 public Available(ActorId id)8 {9 this.Id = id;10 }11 }12}13{14 {15 public ActorId Id;16 public Available(ActorId id)17 {18 this.Id = id;19 }20 }21}22{23 {24 public ActorId Id;25 public Available(ActorId id)26 {27 this.Id = id;28 }29 }30}31{32 {33 public ActorId Id;34 public Available(ActorId id)35 {36 this.Id = id;37 }38 }39}40{41 {42 public ActorId Id;43 public Available(ActorId id)44 {45 this.Id = id;46 }47 }48}49{50 {51 public ActorId Id;52 public Available(ActorId id)53 {54 this.Id = id;55 }56 }57}58{59 {60 public ActorId Id;61 public Available(ActorId id)62 {63 this.Id = id;64 }65 }66}67{68 {69 public ActorId Id;70 public Available(ActorId id)71 {72 this.Id = id;73 }74 }75}76{77 {78 public ActorId Id;79 public Available(ActorId id)80 {81 this.Id = id;82 }83 }84}85{86 {87 public ActorId Id;88 public Available(ActorId

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1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors.BugFinding.Tests.Available;3using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring;4using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine;5using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors;6using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors.MultipleMonitors;7using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors.MultipleMonitors.MultipleMonitors;8using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors;9using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors;10using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors;11using Microsoft.Coyote.Actors.BugFinding.Tests.Available.Monitoring.StateMachine.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors.MultipleMonitors;

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1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests.Available;4using System;5using System.Threading.Tasks;6{7 {8 private static void Main(string[] args)9 {10 var config = Configuration.Create();

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1using System;2using Microsoft.Coyote;3using Microsoft.Coyote.Actors;4{5 {6 private static void Main(string[] args)7 {8 var config = Configuration.Create().WithTestingIterations(100);9 var runtime = RuntimeFactory.Create(config);10 runtime.CreateActor(typeof(Actor1));11 runtime.Wait();12 }13 }14 {15 protected override async Task OnInitializeAsync(Event initialEvent)16 {17 var actor2 = this.CreateActor(typeof(Actor2));18 await this.SendEventAsync(actor2, new E1());19 await this.SendEventAsync(actor2, new E2());20 await this.SendEventAsync(actor2, new E3());21 await this.SendEventAsync(actor2, new E4());22 await this.SendEventAsync(actor2, new E5());23 }24 }25 {26 protected override async Task OnInitializeAsync(Event initialEvent)27 {28 await this.ReceiveEventAsync<E1>();29 await this.ReceiveEventAsync<E2>();30 await this.ReceiveEventAsync<E3>();31 await this.ReceiveEventAsync<E4>();32 await this.ReceiveEventAsync<E5>();33 }34 }35 {36 }37 {38 }39 {40 }41 {42 }43 {44 }45}46using System;47using Microsoft.Coyote;48using Microsoft.Coyote.Actors;49{50 {51 private static void Main(string[] args)52 {53 var config = Configuration.Create().WithTestingIterations(100);54 var runtime = RuntimeFactory.Create(config);55 runtime.CreateActor(typeof(Actor1));56 runtime.Wait();57 }58 }59 {60 protected override async Task OnInitializeAsync(Event initialEvent)61 {62 var actor2 = this.CreateActor(typeof(Actor2));63 await this.SendEventAsync(actor2, new E1());

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1{2 static void Main(string[] args)3 {4 var runtime = RuntimeFactory.Create();5 runtime.RegisterMonitor(typeof(Available));6 runtime.CreateActor(typeof(Actor1));7 runtime.CreateActor(typeof(Actor2));8 runtime.CreateActor(typeof(Actor3));9 runtime.CreateActor(typeof(Actor4));10 runtime.CreateActor(typeof(Actor5));11 runtime.CreateActor(typeof(Actor6));12 runtime.CreateActor(typeof(Actor7));13 runtime.CreateActor(typeof(Actor8));14 runtime.CreateActor(typeof(Actor9));15 runtime.CreateActor(typeof(Actor10));16 runtime.CreateActor(typeof(Actor11));17 runtime.CreateActor(typeof(Actor12));18 runtime.CreateActor(typeof(Actor13));19 runtime.CreateActor(typeof(Actor14));20 runtime.CreateActor(typeof(Actor15));21 runtime.CreateActor(typeof(Actor16));22 runtime.CreateActor(typeof(Actor17));23 runtime.CreateActor(typeof(Actor18));24 runtime.CreateActor(typeof(Actor19));25 runtime.CreateActor(typeof(Actor20));26 runtime.CreateActor(typeof(Actor21));27 runtime.CreateActor(typeof(Actor22));28 runtime.CreateActor(typeof(Actor23));29 runtime.CreateActor(typeof(Actor24));30 runtime.CreateActor(typeof(Actor25));31 runtime.CreateActor(typeof(Actor26));32 runtime.CreateActor(typeof(Actor27));33 runtime.CreateActor(typeof(Actor28));34 runtime.CreateActor(typeof(Actor29));35 runtime.CreateActor(typeof(Actor30));36 runtime.CreateActor(typeof(Actor31));37 runtime.CreateActor(typeof(Actor32));38 runtime.CreateActor(typeof(Actor33));39 runtime.CreateActor(typeof(Actor34));40 runtime.CreateActor(typeof(Actor35));41 runtime.CreateActor(typeof(Actor36));42 runtime.CreateActor(typeof(Actor37));43 runtime.CreateActor(typeof(Actor38));44 runtime.CreateActor(typeof(Actor39));45 runtime.CreateActor(typeof(Actor40));46 runtime.CreateActor(typeof(Actor41));47 runtime.CreateActor(typeof(Actor42));48 runtime.CreateActor(typeof(Actor43));49 runtime.CreateActor(typeof(Actor44));50 runtime.CreateActor(typeof(Actor45));51 runtime.CreateActor(typeof(Actor46));52 runtime.CreateActor(typeof(Actor47));53 runtime.CreateActor(typeof(Actor48));54 runtime.CreateActor(typeof(Actor49));55 runtime.CreateActor(typeof(Actor50));56 runtime.CreateActor(typeof(Actor

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