Why this code fails even without data race

Question

Hi

I believe I do not have any data race or dead locks in code below:
https://www.sololearn.com/en/compiler-playground/cYpHeSPf145u

Is above statement correct? If yes, why not it complete all the output statements? If no, could you please help me understand the error?
https://sololearn.com/compiler-playground/cYpHeSPf145u/?ref=app

Answer 1

you're sleeping 2 seconds... Sololearn is timing out.

run your simulation faster. maybe use milliseconds instead of seconds

Answer 2

Thanks Bob_Li