==========================================
variant unify in SUB-STACK : R:Stk =? S:Stk + T:Stk .

Unifier 1
rewrites: 4
R:Stk --> %1:Stk + %2:Stk
S:Stk --> %1:Stk
T:Stk --> %2:Stk

Unifier 2
rewrites: 4
R:Stk --> #1:Stk + #2:Stk
S:Stk --> #2:Stk + (#1:Stk + #2:Stk) * #3:Stk
T:Stk --> #1:Stk

Unifier 3
rewrites: 4
R:Stk --> #1:Stk + #2:Stk
S:Stk --> #1:Stk
T:Stk --> #2:Stk + (#1:Stk + #2:Stk) * #3:Stk

Unifier 4
rewrites: 4
R:Stk --> #1:Stk
S:Stk --> #1:Stk
T:Stk --> #1:Stk * #2:Stk

Unifier 5
rewrites: 4
R:Stk --> #1:Stk
S:Stk --> #1:Stk * #2:Stk
T:Stk --> #1:Stk

No more unifiers.
rewrites: 4
==========================================
filtered variant unify in SUB-STACK : R:Stk =? S:Stk + T:Stk .
rewrites: 8

Unifier 1
R:Stk --> %1:Stk + %2:Stk
S:Stk --> %1:Stk
T:Stk --> %2:Stk

No more unifiers.
Advisory: Filtering was complete.
Bye.
