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Proof step 143 from proof inv-truncate (previous step)

afs-cons(dirs, files), ispath(p, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), px-parent(user, p, ROOT_INO, dirs, files), ⌊err0⌋ , ino0 ∈ dirs ∨ ino0 ∈ files ⊦ ⟪err := err0; if err = ESUCCESS then if inode.directory then err := (inode.directory ⊃ EISDIR;ENOTDIR) else if ¬ pw(user, inode.meta) then err := EACCESS; if err = ESUCCESS then afs_check_commit#(dirs, files; err; asynced); pageno := 0; if err = ESUCCESS then pageno := inode.size / VFS_PAGE_SIZE; if err = ESUCCESS then {buf-opt := none; afs_truncate#(n, pageno; buf-opt, inode, isdir0, err, dirs, files, asynced)}⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files))

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 144:
err = err0, afs-cons(dirs, files), ispath(p, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), px-parent(user, p, ROOT_INO, dirs, files), ⌊err0⌋ , ino0 ∈ dirs ∨ ino0 ∈ files ⊦ ⟪if err = ESUCCESS then if inode.directory then err := (inode.directory ⊃ EISDIR;ENOTDIR) else if ¬ pw(user, inode.meta) then err := EACCESS; if err = ESUCCESS then afs_check_commit#(dirs, files; err; asynced); pageno := 0; if err = ESUCCESS then pageno := inode.size / VFS_PAGE_SIZE; if err = ESUCCESS then {buf-opt := none; afs_truncate#(n, pageno; buf-opt, inode, isdir0, err, dirs, files, asynced)}⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files))

Proof step 143 from proof inv-truncate (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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