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Proof step 2 from proof fsync-inode-err (previous step)

asynced1 ↔ asynced, err = ESUCCESS ∨ ⌊err⌋ ⊦ [let ino = inode.ino, asynced0 = ?, asynced = ? in {icache_check_inode#(ino, icache; asynced0, asynced, err); if err = ESUCCESS ∧ asynced0 ∧ asynced then icache_get#(ino, icache; asynced0, inode, err); 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)}}] (err = ESUCCESS ∨ ⌊err⌋ )

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Proof step 3:
asynced1 ↔ asynced2, ino = inode.ino, err = ESUCCESS ∨ ⌊err⌋ ⊦ [icache_check_inode#(ino, icache; asynced0, asynced, err); if err = ESUCCESS ∧ asynced0 ∧ asynced then icache_get#(ino, icache; asynced0, inode, err); 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)}] (err = ESUCCESS ∨ ⌊err⌋ )

Proof step 2 from proof fsync-inode-err (previous step)

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

Additional information