WORST_CASE(Omega(0),?)

Initial ITS
Start location: l3
   0: l0 -> l1 : y^0'=y^post0, x^0'=x^post0, (-x^post0+x^0 == 0 /\ 1-y^0 <= 0 /\ -y^post0+y^0 == 0 /\ 1-x^0 <= 0), cost: 1
   1: l1 -> l0 : y^0'=y^post1, x^0'=x^post1, (0 == 0 /\ 1-y^0+y^post1 == 0), cost: 1
   2: l1 -> l0 : y^0'=y^post2, x^0'=x^post2, (1-x^0+x^post2 == 0 /\ y^0-y^post2 == 0), cost: 1
   3: l2 -> l0 : y^0'=y^post3, x^0'=x^post3, (y^0-y^post3 == 0 /\ -x^post3+x^0 == 0), cost: 1
   4: l3 -> l2 : y^0'=y^post4, x^0'=x^post4, (y^0-y^post4 == 0 /\ x^0-x^post4 == 0), cost: 1


Applied preprocessing
Original rule:
l0 -> l1 : y^0'=y^post0, x^0'=x^post0, (-x^post0+x^0 == 0 /\ 1-y^0 <= 0 /\ -y^post0+y^0 == 0 /\ 1-x^0 <= 0), cost: 1
New rule:
l0 -> l1 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1

Applied preprocessing
Original rule:
l1 -> l0 : y^0'=y^post1, x^0'=x^post1, (0 == 0 /\ 1-y^0+y^post1 == 0), cost: 1
New rule:
l1 -> l0 : y^0'=-1+y^0, x^0'=x^post1, 0 == 0, cost: 1

Applied preprocessing
Original rule:
l1 -> l0 : y^0'=y^post2, x^0'=x^post2, (1-x^0+x^post2 == 0 /\ y^0-y^post2 == 0), cost: 1
New rule:
l1 -> l0 : x^0'=-1+x^0, TRUE, cost: 1

Applied preprocessing
Original rule:
l2 -> l0 : y^0'=y^post3, x^0'=x^post3, (y^0-y^post3 == 0 /\ -x^post3+x^0 == 0), cost: 1
New rule:
l2 -> l0 : TRUE, cost: 1

Applied preprocessing
Original rule:
l3 -> l2 : y^0'=y^post4, x^0'=x^post4, (y^0-y^post4 == 0 /\ x^0-x^post4 == 0), cost: 1
New rule:
l3 -> l2 : TRUE, cost: 1

Simplified rules
Start location: l3
   5: l0 -> l1 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1
   6: l1 -> l0 : y^0'=-1+y^0, x^0'=x^post1, 0 == 0, cost: 1
   7: l1 -> l0 : x^0'=-1+x^0, TRUE, cost: 1
   8: l2 -> l0 : TRUE, cost: 1
   9: l3 -> l2 : TRUE, cost: 1


Eliminating location l2 by chaining:

Applied chaining
First rule:
l3 -> l2 : TRUE, cost: 1
Second rule:
l2 -> l0 : TRUE, cost: 1
New rule:
l3 -> l0 : TRUE, cost: 2

Applied deletion
Removed the following rules: 8 9

Eliminated locations on linear paths
Start location: l3
   5: l0 -> l1 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1
   6: l1 -> l0 : y^0'=-1+y^0, x^0'=x^post1, 0 == 0, cost: 1
   7: l1 -> l0 : x^0'=-1+x^0, TRUE, cost: 1
  10: l3 -> l0 : TRUE, cost: 2


Eliminating location l1 by chaining:

Applied chaining
First rule:
l0 -> l1 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1
Second rule:
l1 -> l0 : y^0'=-1+y^0, x^0'=x^post1, 0 == 0, cost: 1
New rule:
l0 -> l0 : y^0'=-1+y^0, x^0'=x^post1, (0 == 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2

Applied simplification
Original rule:
l0 -> l0 : y^0'=-1+y^0, x^0'=x^post1, (0 == 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2
New rule:
l0 -> l0 : y^0'=-1+y^0, x^0'=x^post1, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2

Applied chaining
First rule:
l0 -> l1 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1
Second rule:
l1 -> l0 : x^0'=-1+x^0, TRUE, cost: 1
New rule:
l0 -> l0 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2

Applied deletion
Removed the following rules: 5 6 7

Eliminated locations on tree-shaped paths
Start location: l3
  11: l0 -> l0 : y^0'=-1+y^0, x^0'=x^post1, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2
  12: l0 -> l0 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2
  10: l3 -> l0 : TRUE, cost: 2


Applied acceleration
Original rule:
l0 -> l0 : y^0'=-1+y^0, x^0'=x^post1, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2
New rule:
l0 -> l0 : y^0'=y^0-n, x^0'=x^post1, (-1+x^post1 >= 0 /\ y^0-n >= 0 /\ -1+n >= 0 /\ -1+x^0 >= 0), cost: 2*n
Sub-proof via acceration calculus written to file:///tmp/tmpnam_KhFoOf.txt

Applied instantiation
Original rule:
l0 -> l0 : y^0'=y^0-n, x^0'=x^post1, (-1+x^post1 >= 0 /\ y^0-n >= 0 /\ -1+n >= 0 /\ -1+x^0 >= 0), cost: 2*n
New rule:
l0 -> l0 : y^0'=0, x^0'=x^post1, (0 >= 0 /\ -1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2*y^0

Applied acceleration
Original rule:
l0 -> l0 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2
New rule:
l0 -> l0 : x^0'=-n0+x^0, (n0 >= 0 /\ -n0+x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*n0
Sub-proof via acceration calculus written to file:///tmp/tmpnam_mLoeGH.txt

Applied instantiation
Original rule:
l0 -> l0 : x^0'=-n0+x^0, (n0 >= 0 /\ -n0+x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*n0
New rule:
l0 -> l0 : x^0'=0, (0 >= 0 /\ x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*x^0

Applied simplification
Original rule:
l0 -> l0 : y^0'=0, x^0'=x^post1, (0 >= 0 /\ -1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2*y^0
New rule:
l0 -> l0 : y^0'=0, x^0'=x^post1, (-1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2*y^0

Applied simplification
Original rule:
l0 -> l0 : x^0'=0, (0 >= 0 /\ x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*x^0
New rule:
l0 -> l0 : x^0'=0, (x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*x^0

Applied deletion
Removed the following rules: 11 12

Accelerated simple loops
Start location: l3
  15: l0 -> l0 : y^0'=0, x^0'=x^post1, (-1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2*y^0
  16: l0 -> l0 : x^0'=0, (x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*x^0
  10: l3 -> l0 : TRUE, cost: 2


Applied chaining
First rule:
l3 -> l0 : TRUE, cost: 2
Second rule:
l0 -> l0 : y^0'=0, x^0'=x^post1, (-1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2*y^0
New rule:
l3 -> l0 : y^0'=0, x^0'=x^post1, (-1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2+2*y^0

Applied chaining
First rule:
l3 -> l0 : TRUE, cost: 2
Second rule:
l0 -> l0 : x^0'=0, (x^0 >= 0 /\ -1+y^0 >= 0), cost: 2*x^0
New rule:
l3 -> l0 : x^0'=0, (x^0 >= 0 /\ -1+y^0 >= 0), cost: 2+2*x^0

Applied deletion
Removed the following rules: 15 16

Chained accelerated rules with incoming rules
Start location: l3
  10: l3 -> l0 : TRUE, cost: 2
  17: l3 -> l0 : y^0'=0, x^0'=x^post1, (-1+x^post1 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2+2*y^0
  18: l3 -> l0 : x^0'=0, (x^0 >= 0 /\ -1+y^0 >= 0), cost: 2+2*x^0


Removed unreachable locations and irrelevant leafs
Start location: l3
  <empty>


Computing asymptotic complexity

Proved the following lower bound
Complexity:  Unknown
Cpx degree: ?

Solved cost: 0
Rule cost:   0