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Dafny language server does not clean up z3 child processes #5376
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I can confirm this issue does not occur when using VSCode. |
I'm not sure how neovim kills LSP servers. I tried killing the server with SIGTERM, but this doesn't clean up all of the instances of z3 or dotnet:
I hope this helps, let me know if there is anything else I can do or if I have misunderstood you. |
When I have a |
Dafny version
4.4.0
Code to produce this issue
Command to run and resulting output
For whatever reason, dafny takes a long time to verify this code via z3 (my code is probably pretty terrible). I haven't actually waited around for long enough before to see if z3 terminates. When I run
dafny verify
and send an interrupt signal, dafny will clean up the z3 child process:However, when I open the file in my editor, wait for the language server to start sending some alerts, and then close my editor, there is still an instance of z3 running:
The only other instance of neovim running on my machine was inside a separate tmux session, and it was not running anything dafny-related. I concluded that the language server probably just isn't cleaning up the child z3 process, whereas verify does.
What happened?
I expected that the dafny server would clean up its child processes (although maybe this is a neovim thing?)
What type of operating system are you experiencing the problem on?
Linux
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