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Proof step 3 from proof crash-neutral-fsyncdir (previous step)

root.dir?, fids-cons(root, fs, ofh), posix-crash(root, fs, ofh, tree, fs0, ofh0) ⊦ ⟨posix_fsyncdir#(path, psynced0, user; ; psynced, err)⟩ psynced

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 4:
⊦
Proof step 5:
root.dir?, fids-cons(root, fs, ofh), posix-crash(root, fs, ofh, tree, fs0, ofh0) ⊦ ⟨fail_or_success#(; ; err); psynced := ?⟩ psynced

Rule argument

pos: right 1

Additional information

Used simplifier rules: fsyncdir: ⊦ ;