[Imprint][Data Privacy Statement][E-Mail]

View long theorem info. View the proof. Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Proof step 17 from proof synced-add-log-leb (previous step)

⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0⟩ (err = ESUCCESS), # lpt = # avol, nx + m3 ' = nx1, avol[m3] = mapped(buf), m3 < # avol, awbuf-inv(avol, bleb), synced(avol), avol0 ↓ avol ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then nx := nx + m3 ', bleb := buffered(m3)⟩ (nx1 = nx)

Heuristic symbolic execution applied rule choose left

And obtained the following new goals

Proof step 18:
⟨err := err0⟩ (err = ESUCCESS), # lpt = # avol, nx + m3 ' = nx1, avol[m3] = mapped(buf), m3 < # avol, awbuf-inv(avol, bleb), synced(avol), avol0 ↓ avol, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then nx := nx + m3 ', bleb := buffered(m3)⟩ (nx1 = nx)

Proof step 17 from proof synced-add-log-leb (previous step)

Heuristic symbolic execution applied rule choose left

And obtained the following new goals

Rule argument

Additional information