You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
const BB :=falsefunctiontest(a: bool): bool
{
match a
case BB =>falsecase _ =>true
}
Command to run and resulting output
dafny verify
What happened?
Unhandled exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchStmtCaseConstructor(String sourceName, Type sourceType, IdPattern idPattern, ConcreteSyntaxTree result, Boolean lastCase) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Statement.cs:line 671
at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchCaseConditions(String sourceName, Type sourceType, ExtendedPattern pattern, ConcreteSyntaxTree writer, Boolean lastCase) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Statement.cs:line 636
at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchGeneric(INestedMatch match, Boolean preventCaseFallThrough, Action2 emitBody, Boolean inLetExprBody, ConcreteSyntaxTree output) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Statement.cs:line 604 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.TrOptNestedMatchExpr(NestedMatchExpr match, Type resultType, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts, Boolean inLetExprBody, IVariable accumulatorVar, OptimizedExpressionContinuation continuation) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 728 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchExpr(NestedMatchExpr match, Boolean inLetExprBody, ConcreteSyntaxTree output, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 720 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitExpr(Expression expr, Boolean inLetExprBody, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 381 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.Expr(Expression expr, Boolean inLetExprBody, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 4730 at Microsoft.Dafny.Compilers.CsharpCodeGenerator.EmitMapBuilder_Add(MapType mt, IToken tok, String collName, Expression term, Boolean inLetExprBody, ConcreteSyntaxTree wr) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/CSharp/CsharpCodeGenerator.cs:line 3428 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitExpr(Expression expr, Boolean inLetExprBody, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 526 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.TrExprOpt(Expression expr, Type resultType, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts, Boolean inLetExprBody, IVariable accumulatorVar, OptimizedExpressionContinuation continuation) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 2932 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.CompileReturnBody(Expression body, Type resultType, ConcreteSyntaxTree wr, IVariable accumulatorVar) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 3096 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.CompileFunction(Function f, IClassWriter cw, Boolean lookasideBody) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 2744 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.CompileClassMembers(Program program, TopLevelDeclWithMembers c, IClassWriter classWriter) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 2303 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitModule(Program program, ConcreteSyntaxTree programNode, ModuleDefinition module) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 1649 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.Compile(Program program, ConcreteSyntaxTree wrx) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 1520 at Microsoft.Dafny.ExecutableBackend.Compile(Program dafnyProgram, String dafnyProgramName, ConcreteSyntaxTree output) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/ExecutableBackend.cs:line 35 at Microsoft.Dafny.SynchronousCliCompilation.<>c__DisplayClass20_1.<CompileDafnyProgram>b__1() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 676 at System.Threading.Tasks.Task.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.SynchronousCliCompilation.CompileDafnyProgram(Program dafnyProgram, String dafnyProgramName, ReadOnlyCollection1 otherFileNames, Boolean invokeCompiler) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 676
at Microsoft.Dafny.SynchronousCliCompilation.Compile(String fileName, ReadOnlyCollection1 otherFileNames, Program dafnyProgram, PipelineOutcome oc, IDictionary2 moduleStats, Boolean verified) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 533
at Microsoft.Dafny.SynchronousCliCompilation.ProcessFilesAsync(IReadOnlyList1 dafnyFiles, ReadOnlyCollection1 otherFileNames, DafnyOptions options, ProofDependencyManager depManager, Boolean lookForSnapshots, String programId) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 306
at Microsoft.Dafny.SynchronousCliCompilation.Run(DafnyOptions options) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 61
at Microsoft.Dafny.TranslateCommand.<>c__DisplayClass3_0.<b__0>d.MoveNext() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Commands/TranslateCommand.cs:line 48
--- End of stack trace from previous location ---
at Microsoft.Dafny.DafnyNewCli.<>c__DisplayClass5_0.<g__Handle|0>d.MoveNext() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/DafnyNewCli.cs:line 140
--- End of stack trace from previous location ---
at System.CommandLine.Invocation.AnonymousCommandHandler.InvokeAsync(InvocationContext context)
at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass17_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass12_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at Microsoft.Dafny.DafnyNewCli.<>c__DisplayClass17_0.<b__0>d.MoveNext() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/DafnyNewCli.cs:line 268
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass22_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass19_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__18_0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__5_0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass8_0.<b__0>d.MoveNext()
What type of operating system are you experiencing the problem on?
Linux
The text was updated successfully, but these errors were encountered:
seebees
added
the
kind: bug
Crashes, unsoundness, incorrect output, etc. If possible, add a `part:` label
label
Sep 17, 2024
Dafny version
4.8.0
Code to produce this issue
Command to run and resulting output
What happened?
Unhandled exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchStmtCaseConstructor(String sourceName, Type sourceType, IdPattern idPattern, ConcreteSyntaxTree result, Boolean lastCase) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Statement.cs:line 671
at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchCaseConditions(String sourceName, Type sourceType, ExtendedPattern pattern, ConcreteSyntaxTree writer, Boolean lastCase) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Statement.cs:line 636
at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchGeneric(INestedMatch match, Boolean preventCaseFallThrough, Action
2 emitBody, Boolean inLetExprBody, ConcreteSyntaxTree output) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Statement.cs:line 604 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.TrOptNestedMatchExpr(NestedMatchExpr match, Type resultType, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts, Boolean inLetExprBody, IVariable accumulatorVar, OptimizedExpressionContinuation continuation) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 728 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitNestedMatchExpr(NestedMatchExpr match, Boolean inLetExprBody, ConcreteSyntaxTree output, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 720 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitExpr(Expression expr, Boolean inLetExprBody, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 381 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.Expr(Expression expr, Boolean inLetExprBody, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 4730 at Microsoft.Dafny.Compilers.CsharpCodeGenerator.EmitMapBuilder_Add(MapType mt, IToken tok, String collName, Expression term, Boolean inLetExprBody, ConcreteSyntaxTree wr) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/CSharp/CsharpCodeGenerator.cs:line 3428 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitExpr(Expression expr, Boolean inLetExprBody, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.Expression.cs:line 526 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.TrExprOpt(Expression expr, Type resultType, ConcreteSyntaxTree wr, ConcreteSyntaxTree wStmts, Boolean inLetExprBody, IVariable accumulatorVar, OptimizedExpressionContinuation continuation) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 2932 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.CompileReturnBody(Expression body, Type resultType, ConcreteSyntaxTree wr, IVariable accumulatorVar) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 3096 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.CompileFunction(Function f, IClassWriter cw, Boolean lookasideBody) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 2744 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.CompileClassMembers(Program program, TopLevelDeclWithMembers c, IClassWriter classWriter) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 2303 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.EmitModule(Program program, ConcreteSyntaxTree programNode, ModuleDefinition module) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 1649 at Microsoft.Dafny.Compilers.SinglePassCodeGenerator.Compile(Program program, ConcreteSyntaxTree wrx) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/SinglePassCodeGenerator/SinglePassCodeGenerator.cs:line 1520 at Microsoft.Dafny.ExecutableBackend.Compile(Program dafnyProgram, String dafnyProgramName, ConcreteSyntaxTree output) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyCore/Backends/ExecutableBackend.cs:line 35 at Microsoft.Dafny.SynchronousCliCompilation.<>c__DisplayClass20_1.<CompileDafnyProgram>b__1() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 676 at System.Threading.Tasks.Task.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.SynchronousCliCompilation.CompileDafnyProgram(Program dafnyProgram, String dafnyProgramName, ReadOnlyCollection
1 otherFileNames, Boolean invokeCompiler) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 676at Microsoft.Dafny.SynchronousCliCompilation.Compile(String fileName, ReadOnlyCollection
1 otherFileNames, Program dafnyProgram, PipelineOutcome oc, IDictionary
2 moduleStats, Boolean verified) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 533at Microsoft.Dafny.SynchronousCliCompilation.ProcessFilesAsync(IReadOnlyList
1 dafnyFiles, ReadOnlyCollection
1 otherFileNames, DafnyOptions options, ProofDependencyManager depManager, Boolean lookForSnapshots, String programId) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 306at Microsoft.Dafny.SynchronousCliCompilation.Run(DafnyOptions options) in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Legacy/SynchronousCliCompilation.cs:line 61
at Microsoft.Dafny.TranslateCommand.<>c__DisplayClass3_0.<b__0>d.MoveNext() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/Commands/TranslateCommand.cs:line 48
--- End of stack trace from previous location ---
at Microsoft.Dafny.DafnyNewCli.<>c__DisplayClass5_0.<g__Handle|0>d.MoveNext() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/DafnyNewCli.cs:line 140
--- End of stack trace from previous location ---
at System.CommandLine.Invocation.AnonymousCommandHandler.InvokeAsync(InvocationContext context)
at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass17_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass12_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at Microsoft.Dafny.DafnyNewCli.<>c__DisplayClass17_0.<b__0>d.MoveNext() in /Users/runner/work/dafny/dafny/dafny/Source/DafnyDriver/DafnyNewCli.cs:line 268
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass22_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass19_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__18_0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<b__0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__5_0>d.MoveNext()
--- End of stack trace from previous location ---
at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass8_0.<b__0>d.MoveNext()
What type of operating system are you experiencing the problem on?
Linux
The text was updated successfully, but these errors were encountered: