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Proof step 429 from proof refine-truncate (previous step)

boolvar0 ↔ boolvar4, 0 = fs[ri[inodekey(m)]].nsubdirs, key = datakey(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino, m2 / VFS_PAGE_SIZE), ro = orphans(fs, ri), fs[ri[inodekey(m)]].inode?, orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), ri[inodekey(m)] ∈ fs, inodekey(m) ∈ ri, m2 ≤ n, asynced → boolvar4 ⊦ [if ri-cons(ri, fs) then {fail_or_success#(; ; err); if err = ESUCCESS then {boolvar := key ∈ ri; if boolvar then nd := fs[ri[key]] else nd := ?} else boolvar := ?, nd := ?} else abort; ro0 := orphans(fs, ri); ro := orphans(fs, ri); nd0 := inodenode (inodekey(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino), mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).meta, mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).directory, fs[ri[inodekey(m)]].nlink, mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).nsubdirs, n); m0 := fs[ri[inodekey(m)]].nlink; key1 := inodekey(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino); inode := mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2); files := abs-files(fs, ri); dirs := abs-dirs(fs, ri); if err = ESUCCESS then if boolvar then {nd.data := fill(nd.data, zero, inode.size % VFS_PAGE_SIZE, VFS_PAGE_SIZE - inode.size % VFS_PAGE_SIZE); aubifs_core_journal_add3#(truncnode(key1, min(n, inode.size)), nd0, nd, ri, fi, ro, fo; adr1, adr0, adr, fs, log; boolvar4, err); if err = ESUCCESS then aubifs_core_index_store#(datakey(inode.ino, m2 / VFS_PAGE_SIZE), adr, fi, ro, fo, fs, log, boolvar4; ri)} else aubifs_core_journal_add2#(truncnode(key1, min(n, inode.size)), nd0, ri, fi, ro, fo; adr1, adr0, fs, log; boolvar4, err); buf-opt := buf-opt0; boolvar1 := boolvar2; if err = ESUCCESS then {aubifs_core_index_store#(inodekey(inode.ino), adr0, fi, ro, fo, fs, log, boolvar4; ri); aubifs_core_index_truncate#(key1, min(n, inode.size), fi, ro, fo, fs, log, boolvar4; ri); boolvar1 := boolvar; inode := mkinode(inode.ino, nd0.meta, nd0.directory, nd0.nlink, nd0.nsubdirs, nd0.size); if boolvar1 then buf-opt := some(nd.data)}] ( ubifs-cons(fs, ri, ro0, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro0, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro0) ∧ ri-inj(ri) ∧ log-cons(log, fs) → ⟨p_inode := mkinode(m, md, false, m0, 0, m2); afs_truncate#(n, m2 / VFS_PAGE_SIZE; buf-opt0, p_inode, boolvar2, err0, dirs, files, asynced)⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(abs-dirs(fs, ri), abs-files(fs, ri)) = abs-keys(ro0) ∧ (asynced → boolvar4) ∧ buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar1 ↔ boolvar2) ∧ err = err0)), m2 % VFS_PAGE_SIZE = 0, VFS_PAGE_SIZE = 0, fs[ri[inodekey(m)]].directory, buf-opt0.some?

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Proof step 430:
boolvar0 ↔ boolvar4, 0 = fs[ri[inodekey(m)]].nsubdirs, key = datakey(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino, m2 / VFS_PAGE_SIZE), ro = orphans(fs, ri), fs[ri[inodekey(m)]].inode?, fo.inodes?, orphans(fs, ri).inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m) ∈ ri, ri[inodekey(m)] ∈ fs, m2 ≤ n, asynced → boolvar4 ⊦ [fail_or_success#(; ; err); if err = ESUCCESS then {boolvar := key ∈ ri; if boolvar then nd := fs[ri[key]] else nd := ?} else boolvar := ?, nd := ?; ro0 := orphans(fs, ri); ro := orphans(fs, ri); nd0 := inodenode (inodekey(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino), mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).meta, mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).directory, fs[ri[inodekey(m)]].nlink, mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).nsubdirs, n); m0 := fs[ri[inodekey(m)]].nlink; key1 := inodekey(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino); inode := mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2); files := abs-files(fs, ri); dirs := abs-dirs(fs, ri); if err = ESUCCESS then if boolvar then {nd.data := fill(nd.data, zero, inode.size % VFS_PAGE_SIZE, VFS_PAGE_SIZE - inode.size % VFS_PAGE_SIZE); aubifs_core_journal_add3#(truncnode(key1, min(n, inode.size)), nd0, nd, ri, fi, ro, fo; adr1, adr0, adr, fs, log; boolvar4, err); if err = ESUCCESS then aubifs_core_index_store#(datakey(inode.ino, m2 / VFS_PAGE_SIZE), adr, fi, ro, fo, fs, log, boolvar4; ri)} else aubifs_core_journal_add2#(truncnode(key1, min(n, inode.size)), nd0, ri, fi, ro, fo; adr1, adr0, fs, log; boolvar4, err); buf-opt := buf-opt0; boolvar1 := boolvar2; if err = ESUCCESS then {aubifs_core_index_store#(inodekey(inode.ino), adr0, fi, ro, fo, fs, log, boolvar4; ri); aubifs_core_index_truncate#(key1, min(n, inode.size), fi, ro, fo, fs, log, boolvar4; ri); boolvar1 := boolvar; inode := mkinode(inode.ino, nd0.meta, nd0.directory, nd0.nlink, nd0.nsubdirs, nd0.size); if boolvar1 then buf-opt := some(nd.data)}] ( ubifs-cons(fs, ri, ro0, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro0, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro0) ∧ ri-inj(ri) ∧ log-cons(log, fs) → ⟨p_inode := mkinode(m, md, false, m0, 0, m2); afs_truncate#(n, m2 / VFS_PAGE_SIZE; buf-opt0, p_inode, boolvar2, err0, dirs, files, asynced)⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(abs-dirs(fs, ri), abs-files(fs, ri)) = abs-keys(ro0) ∧ (asynced → boolvar4) ∧ buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar1 ↔ boolvar2) ∧ err = err0)), m2 % VFS_PAGE_SIZE = 0, VFS_PAGE_SIZE = 0, fs[ri[inodekey(m)]].directory, buf-opt0.some?

Rule argument

pos: right 1

Additional information

Used simplifier rules: ⊦ ubifs-cons(fs, ri, ro, fi, fo, log) → ri-cons(ri, fs); (ss)