Dafny program verifier finished with 15 verified, 0 errors Compilation error: Opaque type ('_module.MyType') cannot be compiled Compilation error: Iterator _module.Iter has no body Compilation error: an assume statement cannot be compiled (line 12) Compilation error: Method _module._default.M has no body Compilation error: Method _module._default.P has no body Compilation error: Function _module._default.F has no body Compilation error: Function _module._default.H has no body Compilation error: an assume statement cannot be compiled (line 22) Compilation error: an assume statement cannot be compiled (line 25) Compilation error: an assume statement cannot be compiled (line 30) Compilation error: an assume statement cannot be compiled (line 39)