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Proof step 39 from proof fsync-dirs (previous step)

files0[m] = mkfile(m0, md0, m1, content), err = ESUCCESS, ino = m, ino ∈ icache, m ∈ files0, m2 ≤ n * VFS_PAGE_SIZE ⊦ [asynced0 := true; asynced := icache[ino].dirty; inode := mkinode(m, md, false, m1, 0, m2); ino := m; if err = ESUCCESS ∧ asynced0 ∧ asynced then icache_get#(ino, icache; asynced0, inode, err); dirs := dirs0; if err = ESUCCESS ∧ asynced0 ∧ asynced then afs_write_inode#(inode; err, dirs, files; asynced1); if err = ESUCCESS then {asynced := false; icache_set_status#(ino, asynced; err, icache)}; if err = ESUCCESS then afs_fsync#(inode, false, dirs, files; ; asynced2, err)] (dirs = dirs0)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 40:
asynced0 ↔ true, files0[m] = mkfile(m0, md0, m1, content), err = ESUCCESS, ino = m, m ∈ files0, ino ∈ icache, m2 ≤ n * VFS_PAGE_SIZE ⊦ [asynced := icache[ino].dirty; inode := mkinode(m, md, false, m1, 0, m2); ino := m; if err = ESUCCESS ∧ asynced0 ∧ asynced then icache_get#(ino, icache; asynced0, inode, err); dirs := dirs0; if err = ESUCCESS ∧ asynced0 ∧ asynced then afs_write_inode#(inode; err, dirs, files; asynced1); if err = ESUCCESS then {asynced := false; icache_set_status#(ino, asynced; err, icache)}; if err = ESUCCESS then afs_fsync#(inode, false, dirs, files; ; asynced2, err)] (dirs = dirs0)

Proof step 39 from proof fsync-dirs (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information