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The PR is here: https://github.com/aws/aws-cryptographic-material-providers-library/pull/806
The file that is failing to verify in that PR: https://github.com/aws/aws-cryptographic-material-providers-library/pull/806/files#diff-ed5b8971fe7fff55f2444af19903591bee0b44bc8b78be7bc1b23a37feda0d43
Here is the error: https://github.com/aws/aws-cryptographic-material-providers-library/actions/runs/11173345447/job/31061290595?pr=806#step:9:1403
Dafny version
4.8.1
Code to produce this issue
Command to run and resulting output
What happened?
Encountered internal compilation exception: Exception of type 'cce+UnreachableException' was thrown.
dafny/AwsCryptographicMaterialProviders/Model/AwsCryptographyMaterialProvidersTypes.dfy(129,14): Error: Internal error occurred during verification: Exception of type 'cce+UnreachableException' was thrown.
at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrExpr(Expression expr)
at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrExpr(Expression expr)
at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrExpr(Expression expr)
at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrInSet_Aux(IToken tok, Expr elmt, Expr elmtBox, Expression s, Boolean aggressive, Boolean& performedRewrite)
at Microsoft.Dafny.BoogieGenerator.InRWClause_Aux(IToken tok, Expr o, Expr boxO, Expr f, List
1 rw, Boolean usedInUnchanged, ExpressionTranslator etran, Expression receiverReplacement, Dictionary
2 substMap)at Microsoft.Dafny.BoogieGenerator.InRWClause(IToken tok, Expr o, Expr f, List
1 rw, Boolean useInUnchanged, ExpressionTranslator etran, Expression receiverReplacement, Dictionary
2 substMap)at Microsoft.Dafny.BoogieGenerator.InRWClause(IToken tok, Expr o, Expr f, List
1 rw, ExpressionTranslator etran, Expression receiverReplacement, Dictionary
2 substMap)at Microsoft.Dafny.BoogieGenerator.CheckFrameSubset(IToken tok, List
1 calleeFrame, Expression receiverReplacement, Dictionary
2 substMap, ExpressionTranslator etran, IdentifierExpr enclosingFrame, Action4 MakeAssert, ProofObligationDescription desc, QKeyValue kv) Unhandled exception. cce+UnreachableException: Exception of type 'cce+UnreachableException' was thrown. at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrExpr(Expression expr) at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrExpr(Expression expr) at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrExpr(Expression expr) at Microsoft.Dafny.BoogieGenerator.ExpressionTranslator.TrInSet_Aux(IToken tok, Expr elmt, Expr elmtBox, Expression s, Boolean aggressive, Boolean& performedRewrite) at Microsoft.Dafny.BoogieGenerator.InRWClause_Aux(IToken tok, Expr o, Expr boxO, Expr f, List
1 rw, Boolean usedInUnchanged, ExpressionTranslator etran, Expression receiverReplacement, Dictionary2 substMap) at Microsoft.Dafny.BoogieGenerator.InRWClause(IToken tok, Expr o, Expr f, List
1 rw, Boolean useInUnchanged, ExpressionTranslator etran, Expression receiverReplacement, Dictionary2 substMap) at Microsoft.Dafny.BoogieGenerator.InRWClause(IToken tok, Expr o, Expr f, List
1 rw, ExpressionTranslator etran, Expression receiverReplacement, Dictionary2 substMap) at Microsoft.Dafny.BoogieGenerator.ProcessCallStmt(CallStmt cs, Dictionary
2 tySubst, Expr bReceiver, List1 Lhss, List
1 LhsTypes, BoogieStmtListBuilder builder, List1 locals, ExpressionTranslator etran) at Microsoft.Dafny.BoogieGenerator.CheckFrameSubset(IToken tok, List
1 calleeFrame, Expression receiverReplacement, Dictionary2 substMap, ExpressionTranslator etran, IdentifierExpr enclosingFrame, Action
4 MakeAssert, ProofObligationDescription desc, QKeyValue kv)at Microsoft.Dafny.BoogieGenerator.ProcessCallStmt(CallStmt cs, Dictionary
2 tySubst, Expr bReceiver, List
1 Lhss, List1 LhsTypes, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.TrCallStmt(CallStmt s, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran, IdentifierExpr actualReceiver) at Microsoft.Dafny.BoogieGenerator.TrStmt(Statement stmt, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.TrUpdateStmt(BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran, UpdateStmt statement) at Microsoft.Dafny.BoogieGenerator.TrStmt(Statement stmt, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.TrStmtList(List
1 stmts, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran, RangeToken scopeRange, Boolean processLabels)at Microsoft.Dafny.BoogieGenerator.TrStmt(Statement stmt, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran) at Microsoft.Dafny.BoogieGenerator.TrMethodBody(Method m, BoogieStmtListBuilder builder, List
1 localVariables, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.AddMethodImpl(Method m, Procedure proc, Boolean wellformednessProc)
at Microsoft.Dafny.BoogieGenerator.AddMethod_Top(Method m, Boolean isByMethod, Boolean includeAllMethods)
at Microsoft.Dafny.BoogieGenerator.AddClassMembers(TopLevelDeclWithMembers c, Boolean includeAllMethods, Boolean includeInformationAboutType)
at Microsoft.Dafny.BoogieGenerator.AddRevealableTypeDecl(RevealableTypeDecl d)
at Microsoft.Dafny.BoogieGenerator.DoTranslation(Program p, ModuleDefinition forModule)
at Microsoft.Dafny.LanguageServer.Language.DafnyProgramVerifier.<>c__DisplayClass3_0.b__0()
at System.Threading.Tasks.Task
1.InnerInvoke() at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location --- at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) --- End of stack trace from previous location --- at Microsoft.Dafny.LanguageServer.Language.DafnyProgramVerifier.GetVerificationTasksAsync(ExecutionEngine engine, ResolutionResult resolution, ModuleDefinition moduleDefinition, CancellationToken cancellationToken) at Microsoft.Dafny.Compilation.<>c__DisplayClass54_0.<<VerifyUnverifiedSymbol>b__1>d.MoveNext() at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at DafnyDriver.Commands.CliCompilation.VerifyAllLazily(Nullable
1 randomSeed)+System.Threading.Tasks.Sources.IValueTaskSource<System.Boolean>.GetResult()at System.Linq.AsyncEnumerable.ToObservableObservable
1.<>c__DisplayClass2_0.<<Subscribe>g__Core|0>d.MoveNext() in /_/Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToObservable.cs:line 50 --- End of stack trace from previous location --- at System.Reactive.PlatformServices.ExceptionServicesImpl.Rethrow(Exception exception) in /_/Rx.NET/Source/src/System.Reactive/Internal/ExceptionServicesImpl.cs:line 16 at System.Reactive.ExceptionHelpers.Throw(Exception exception) in /_/Rx.NET/Source/src/System.Reactive/Internal/ExceptionServices.cs:line 14 at System.Reactive.Stubs.<>c.<.cctor>b__2_1(Exception ex) in /_/Rx.NET/Source/src/System.Reactive/Internal/Stubs.cs:line 16 at System.Reactive.AnonymousObserver
1.OnErrorCore(Exception error) in //Rx.NET/Source/src/System.Reactive/AnonymousObserver.cs:line 73at System.Reactive.ObserverBase
1.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/ObserverBase.cs:line 59 at System.Reactive.Subjects.Subject
1.OnError(Exception error) in //Rx.NET/Source/src/System.Reactive/Subjects/Subject.cs:line 124at System.Linq.AsyncEnumerable.ToObservableObservable
1.<>c__DisplayClass2_0.<<Subscribe>g__Core|0>d.MoveNext() --- End of stack trace from previous location --- at System.Linq.AsyncEnumerable.ToObservableObservable
1.<>c__DisplayClass2_0.<g__Core|0>d.MoveNext() in /_/Ix.NET/Source/System.Linq.Async/System/Linq/Operators/ToObservable.cs:line 74--- End of stack trace from previous location ---
at System.Threading.Tasks.Task.<>c.b__128_1(Object state)
at System.Threading.QueueUserWorkItemCallbackDefaultContext.Execute()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
at System.Threading.Thread.StartCallback()
xargs: dafny: terminated with signal 6; aborting
at Microsoft.Dafny.BoogieGenerator.TrCallStmt(CallStmt s, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran, IdentifierExpr actualReceiver) at Microsoft.Dafny.BoogieGenerator.TrStmt(Statement stmt, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.TrUpdateStmt(BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran, UpdateStmt statement) at Microsoft.Dafny.BoogieGenerator.TrStmt(Statement stmt, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.TrStmtList(List
1 stmts, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran, RangeToken scopeRange, Boolean processLabels)at Microsoft.Dafny.BoogieGenerator.TrStmt(Statement stmt, BoogieStmtListBuilder builder, List
1 locals, ExpressionTranslator etran) at Microsoft.Dafny.BoogieGenerator.TrMethodBody(Method m, BoogieStmtListBuilder builder, List
1 localVariables, ExpressionTranslator etran)at Microsoft.Dafny.BoogieGenerator.AddMethodImpl(Method m, Procedure proc, Boolean wellformednessProc)
at Microsoft.Dafny.BoogieGenerator.AddMethod_Top(Method m, Boolean isByMethod, Boolean includeAllMethods)
at Microsoft.Dafny.BoogieGenerator.AddClassMembers(TopLevelDeclWithMembers c, Boolean includeAllMethods, Boolean includeInformationAboutType)
at Microsoft.Dafny.BoogieGenerator.AddRevealableTypeDecl(RevealableTypeDecl d)
at Microsoft.Dafny.BoogieGenerator.DoTranslation(Program p, ModuleDefinition forModule)
at Microsoft.Dafny.LanguageServer.Language.DafnyProgramVerifier.<>c__DisplayClass3_0.b__0()
at System.Threading.Tasks.Task
1.InnerInvoke() at System.Threading.Tasks.Task.<>c.<.cctor>b__272_0(Object obj) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location --- at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) --- End of stack trace from previous location --- at Microsoft.Dafny.LanguageServer.Language.DafnyProgramVerifier.GetVerificationTasksAsync(ExecutionEngine engine, ResolutionResult resolution, ModuleDefinition moduleDefinition, CancellationToken cancellationToken) at Microsoft.Dafny.Compilation.<>c__DisplayClass54_0.<<VerifyUnverifiedSymbol>b__1>d.MoveNext() at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at Microsoft.Dafny.Compilation.VerifyUnverifiedSymbol(Boolean onlyPrepareVerificationForGutterTests, ICanVerify canVerify, ResolutionResult resolution, Func
2 taskFilter, Nullable1 randomSeed) at DafnyDriver.Commands.CliCompilation.VerifyAllLazily(Nullable
1 randomSeed)+MoveNext()|
129 | predicate ValidState()
| ^^^^^^^^^^
What type of operating system are you experiencing the problem on?
Linux, Mac
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