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Proof step 488 from proof refine-truncate (previous step)

boolvar ↔ boolvar4, VFS_PAGE_SIZE = n0 + m2 % VFS_PAGE_SIZE, fs0[ri0[datakey(m, m2 / VFS_PAGE_SIZE)]] = datanode(datakey(m, m2 / VFS_PAGE_SIZE), buf), fs0[ri0[inodekey(m)]] = inodenode(key1, md0, false, m3, 0, m5), fs = fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(datakey(m, m2 / VFS_PAGE_SIZE), buf).data:= fill(buf, zero, m2 % VFS_PAGE_SIZE, n0) ], key = inodekey(m), ks = datakeys(key, n, ri), log = ((log0 + adr1 ') + adr2 ') + adr3 ', n = m2, ri = ri0[datakey(m, m2 / VFS_PAGE_SIZE), adr3][inodekey(m), adr2], ro = orphans(fs0, ri0), datanode(datakey(m, m2 / VFS_PAGE_SIZE), buf).data?, fo.inodes?, orphans(fs0, ri0).inodes?, afs-cons(abs-dirs(fs0, ri0), abs-files(fs0, ri0)), file-node-cons(fs0, ri0), log-cons(log0, fs0), orphans-cons(fs0, ri0, orphans(fs0, ri0)), replay-cons-strong(fs0, ri0, orphans(fs0, ri0), fi, fo, log0), ri-cons(ri0, fs0), ri-inj(fi), ri-inj(ri0), ubifs-cons(fs0, ri0, orphans(fs0, ri0), fi, fo, log0), inodekey(m) ∈ ri0, datakey(m, m2 / VFS_PAGE_SIZE) ∈ ri0, ri0[datakey(m, m2 / VFS_PAGE_SIZE)] ∈ fs0, ri0[inodekey(m)] ∈ fs0, m2 % VFS_PAGE_SIZE + n0 ≤ # buf, VFS_PAGE_SIZE ≤ # buf, m2 ≤ n1, asynced → boolvar0 ⊦ [boolvar1 := true; inode := mkinode (m, inodenode(inodekey(m), md, false, m3, 0, n1).meta, inodenode(inodekey(m), md, false, m3, 0, n1).directory, inodenode(inodekey(m), md, false, m3, 0, n1).nlink, inodenode(inodekey(m), md, false, m3, 0, n1).nsubdirs, inodenode(inodekey(m), md, false, m3, 0, n1).size); buf-opt := buf-opt0; key0 := datakey(m, m2 / VFS_PAGE_SIZE); if boolvar1 then buf-opt := some(datanode(key0, fill(datanode(key0, buf).data, zero, m2 % VFS_PAGE_SIZE, n0)).data)] ( ubifs-cons (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks, orphans(fs0, ri0), fi, fo, ((log0 + adr1 ') + adr2 ') + adr3 ') ∧ replay-cons-strong (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks, orphans(fs0, ri0), fi, fo, ((log0 + adr1 ') + adr2 ') + adr3 ') ∧ file-node-cons (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks) ∧ orphans-cons (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks, orphans(fs0, ri0)) ∧ ri-inj(ri \ ks) ∧ log-cons (log0, fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ]) → ⟨p_inode := mkinode(m, md, false, m3, 0, m2); files := abs-files(fs0, ri0); dirs := abs-dirs(fs0, ri0); afs_truncate#(n1, m2 / VFS_PAGE_SIZE; buf-opt0, p_inode, boolvar2, err1, dirs, files, asynced)⟩ ( dirs = abs-dirs (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks) ∧ files = abs-files (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks) ∧ orphans (abs-dirs (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks), abs-files (fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n1)] [adr3, datanode(key0, fill(buf, zero, m2 % VFS_PAGE_SIZE, n0)) ], ri \ ks)) = abs-keys(orphans(fs0, ri0)) ∧ (asynced → boolvar4) ∧ buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar1 ↔ boolvar2) ∧ ESUCCESS = err1)), m2 % VFS_PAGE_SIZE = 0, VFS_PAGE_SIZE = 0, adr1 = adr2, adr1 = adr3, adr2 = adr3, m = 0, buf-opt0.some?, adr3 ∈ ri0, adr3 ∈ fs0, adr2 ∈ fs0, adr1 ∈ fs0

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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