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Proof step 8 from proof inv-gc-update-index (previous step)

# ax1 = # ndx, # ax3 = # ndx2, abs-log(nx, gstore ↓) = abs-log(nx, gstore2 ↓), dom gstore = dom gstore2, fi = fi2[ndx2.keys, ax3], ndx = nd + ndx1, nodes(gstore ↓, jro0) = nodes(gstore2 ↓, jro0), remove-refsize0(gstore0) = gstore0, range fi2 ∩ ax3.toSet = ∅, range fi2 ∩ ax1.toSet = ∅, elems nx ∩ jro0 = ∅, dom gstore0 ∪ elems nx = dom gstore2 ∪ jro0, fi2[ndx2.keys, ax3].inos < jmaxino, jro1 < jmaxino1, p_os < pmaxino, fi2.inos < jmaxino1, fi0.inos < pmaxino, inv(gstore2 \ jro0), inv(gstore0), inv(gstore \ jro0), key-cons(ndx2), key-cons(ndx), nodes-cons(ax1, ndx, gstore, jro0), nodes-cons(ax3 + ax1, ndx2 + ndx, gstore2, jro0), refsize-cons(gstore, range fi2[ndx2.keys, ax3]), refsize-cons(gstore2, range fi2), refsize-cons(gstore0, range fi0), ri-inj(fi2), ri-inj(fi0), jmaxino1 ≤ jmaxino, pmaxino ≤ jmaxino1, pmaxino ≤ jmaxino, ndx2.keys.toSet ⊆ dom fi2, fi2[ndx2.keys, ax3].lebs ⊆ dom gstore2, fi2.lebs ⊆ dom gstore2, fi0.lebs ⊆ dom gstore0, ndx.keys.toSet ⊆ dom fi2, jvalid2 ∧ nx ≠ [] → valid-journal-head(nx, gstore, jro0), jvalid2 ∧ nx ≠ [] → valid-journal-head(nx, gstore2, jro0) ⊦ ⟪gjournal_index_store#(nd.key, ax1.head, fi0, jro0, gstore0, nx, pmaxino, p_os, jvalid; jmaxino, fi, gstore); ax0 := ax1.tail; ndx0 := ndx1⟫ ( (∃ ax2, ndx3. # ax2 = # ndx3 ∧ ax3 + ax1 = ax2 + ax0 ∧ ndx2 + ndx = ndx3 + ndx0 ∧ fi = fi2[ndx3.keys, ax2]) ∧ dom fi = dom fi2 ∧ inv(gstore \ jro0) ∧ dom gstore0 ∪ elems nx = dom gstore ∪ jro0 ∧ jmaxino1 ≤ jmaxino ∧ fi.inos < jmaxino ∧ refsize-cons(gstore, range fi) ∧ ri-inj(fi) ∧ fi.lebs ⊆ dom gstore ∧ dom gstore = dom gstore2 ∧ nodes-cons(ax0, ndx0, gstore, jro0) ∧ nodes(gstore ↓, jro0) = nodes(gstore2 ↓, jro0) ∧ abs-log(nx, gstore ↓) = abs-log(nx, gstore2 ↓) ∧ (jvalid2 ∧ nx ≠ [] → valid-journal-head(nx, gstore, jro0)) ∧ # ax0 < # ax1), ax1 = [], jmaxino1 = 0, ndx = [], pmaxino = 0, dups(ax1), dups(ax3), dups(ax3 + ax1), dups(nx)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
# ax3 = # ndx2, # ax1 = # ndx1 + 1, abs-log(nx, gstore ↓) = abs-log(nx, gstore2 ↓), dom gstore = dom gstore2, fi = fi2[ndx2.keys, ax3], nodes(gstore ↓, jro0) = nodes(gstore2 ↓, jro0), remove-refsize0(gstore0) = gstore0, elems nx ∩ jro0 = ∅, range fi2 ∩ ax1.toSet = ∅, range fi2 ∩ ax3.toSet = ∅, dom gstore0 ∪ elems nx = dom gstore2 ∪ jro0, ax1 ≠ [], jmaxino1 ≠ 0, pmaxino ≠ 0, fi0.inos < pmaxino, fi2.inos < jmaxino1, p_os < pmaxino, jro1 < jmaxino1, fi2[ndx2.keys, ax3].inos < jmaxino, inv(gstore \ jro0), inv(gstore0), inv(gstore2 \ jro0), key-cons(ndx2), key-cons(nd.key, nd), key-cons(ndx1), nodes-cons(ax3 + ax1, ndx2 + nd ' + ndx1, gstore2, jro0), nodes-cons(ax1, nd ' + ndx1, gstore, jro0), refsize-cons(gstore0, range fi0), refsize-cons(gstore2, range fi2), refsize-cons(gstore, range fi2[ndx2.keys, ax3]), ri-inj(fi0), ri-inj(fi2), nd.key ∈ fi2, pmaxino ≤ jmaxino, pmaxino ≤ jmaxino1, jmaxino1 ≤ jmaxino, ndx1.keys.toSet ⊆ dom fi2, fi0.lebs ⊆ dom gstore0, fi2.lebs ⊆ dom gstore2, fi2[ndx2.keys, ax3].lebs ⊆ dom gstore2, ndx2.keys.toSet ⊆ dom fi2, ¬ dups(nx), ¬ dups(ax3 + ax1), ¬ dups(ax3), ¬ dups(ax1), jvalid2 ∧ nx ≠ [] → valid-journal-head(nx, gstore2, jro0), jvalid2 ∧ nx ≠ [] → valid-journal-head(nx, gstore, jro0) ⊦ ⟪gjournal_index_store#(nd.key, ax1.head, fi0, jro0, gstore0, nx, pmaxino, p_os, jvalid; jmaxino, fi, gstore); ax0 := ax1.tail; ndx0 := ndx1⟫ ( (∃ ax, ndx. # ax = # ndx ∧ ax3 + ax1 = ax + ax0 ∧ ndx2 + nd ' + ndx1 = ndx + ndx0 ∧ fi = fi2[ndx.keys, ax]) ∧ dom fi = dom fi2 ∧ inv(gstore \ jro0) ∧ dom gstore0 ∪ elems nx = dom gstore ∪ jro0 ∧ jmaxino1 ≤ jmaxino ∧ fi.inos < jmaxino ∧ refsize-cons(gstore, range fi) ∧ ri-inj(fi) ∧ fi.lebs ⊆ dom gstore ∧ dom gstore = dom gstore2 ∧ nodes-cons(ax0, ndx0, gstore, jro0) ∧ nodes(gstore ↓, jro0) = nodes(gstore2 ↓, jro0) ∧ abs-log(nx, gstore ↓) = abs-log(nx, gstore2 ↓) ∧ (jvalid2 ∧ nx ≠ [] → valid-journal-head(nx, gstore, jro0)) ∧ # ax0 < # ax1)

Rule argument

Additional information

Used simplifier rules: ⊦ key-cons(nd ' + ndx) ↔ ¬ ¬(key-cons(nd.key, nd) ∧ key-cons(ndx)); (s)% ⊦ key ∈ dom ri ↔ key ∈ ri; (s)% ⊦ ks ++ key ⊆ ks0 ↔ ks ⊆ ks0 ∧ key ∈ ks0; (ws)%a: ⊦ (kx + kx0) + kx1 = kx + kx0 + kx1; from specification list[key-list-set]%unc: ⊦ ks ∪ ks0 = ks0 ∪ ks; from specification set-union[node-index]%una: ⊦ (ks ∪ ks0) ∪ ks1 = ks ∪ ks0 ∪ ks1; from specification set-union[node-index]% ⊦ ks ∪ ∅ = ks; (s)% ⊦ (ks ++ key) ∪ ks0 = (ks ∪ ks0) ++ key; (s)% ⊦ key '.toSet = ∅ ++ key; (s)% ⊦ (kx + kx0).toSet = kx.toSet ∪ kx0.toSet; (s)% ⊦ key + kx = key ' + kx; (s)% ⊦ (nd ' + ndx).keys = nd.key + ndx.keys; (s)% ⊦ nd ' + ndx ≠ []; (s)%a: ⊦ (ndx + ndx0) + ndx1 = ndx + ndx0 + ndx1; from specification list[node-list]% ⊦ m +1 = m + 1; (s)% ⊦ #(nd ' + ndx) = (# ndx)+1; (s)% ⊦ nd + ndx = nd ' + ndx; (s)