unknown

Initial ITS

Start location: [1]
Program variables: y1 y2
   0: [1] -> [2] : y1'=nondet, T, cost: 1
   1: [2] -> [3] : y2'=nondet1, T, cost: 1
   2: [3] -> [5] : (y2 > 0 /\ y1 > 0), cost: 1
  13: [3] -> [4] : (y2 <= 0 \/ y1 <= 0), cost: 1
   3: [5] -> [6] : (-y2+y1 < 0 \/ -y2+y1 > 0), cost: 1
  11: [5] -> [12] : (-y2+y1 <= 0 /\ -y2+y1 >= 0), cost: 1
   4: [6] -> [8] : -y2+y1 > 0, cost: 1
   7: [6] -> [10] : -y2+y1 <= 0, cost: 1
  10: [7] -> [5] : T, cost: 1
   5: [8] -> [9] : y1'=-y2+y1, T, cost: 1
   6: [9] -> [7] : T, cost: 1
   8: [10] -> [11] : y2'=y2-y1, T, cost: 1
   9: [11] -> [7] : T, cost: 1
  12: [12] -> [4] : T, cost: 1

Chained Linear Paths

Start location: [1]
Program variables: y1 y2
  14: [1] -> [3] : y1'=nondet, y2'=nondet1, T, cost: 1
   2: [3] -> [5] : (y2 > 0 /\ y1 > 0), cost: 1
  13: [3] -> [4] : (y2 <= 0 \/ y1 <= 0), cost: 1
   3: [5] -> [6] : (-y2+y1 < 0 \/ -y2+y1 > 0), cost: 1
  15: [5] -> [4] : (-y2+y1 <= 0 /\ -y2+y1 >= 0), cost: 1
  18: [6] -> [7] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
  19: [6] -> [7] : y2'=y2-y1, -y2+y1 <= 0, cost: 1
  10: [7] -> [5] : T, cost: 1

	Eliminating location [2] by chaining:

	Applied chaining

	First rule:
	[1] -> [2] : y1'=nondet, T, cost: 1
	Second rule:
	[2] -> [3] : y2'=nondet1, T, cost: 1
	New rule:
	[1] -> [3] : y1'=nondet, y2'=nondet1, T, cost: 1
	
	Applied deletion

	Removed the following rules: 0 1
	
	Eliminating location [12] by chaining:

	Applied chaining

	First rule:
	[5] -> [12] : (-y2+y1 <= 0 /\ -y2+y1 >= 0), cost: 1
	Second rule:
	[12] -> [4] : T, cost: 1
	New rule:
	[5] -> [4] : (-y2+y1 <= 0 /\ -y2+y1 >= 0), cost: 1
	
	Applied deletion

	Removed the following rules: 11 12
	
	Eliminating location [8] by chaining:

	Applied chaining

	First rule:
	[6] -> [8] : -y2+y1 > 0, cost: 1
	Second rule:
	[8] -> [9] : y1'=-y2+y1, T, cost: 1
	New rule:
	[6] -> [9] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
	
	Applied deletion

	Removed the following rules: 4 5
	
	Eliminating location [10] by chaining:

	Applied chaining

	First rule:
	[6] -> [10] : -y2+y1 <= 0, cost: 1
	Second rule:
	[10] -> [11] : y2'=y2-y1, T, cost: 1
	New rule:
	[6] -> [11] : y2'=y2-y1, -y2+y1 <= 0, cost: 1
	
	Applied deletion

	Removed the following rules: 7 8
	
	Eliminating location [9] by chaining:

	Applied chaining

	First rule:
	[6] -> [9] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
	Second rule:
	[9] -> [7] : T, cost: 1
	New rule:
	[6] -> [7] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
	
	Applied deletion

	Removed the following rules: 6 16
	
	Eliminating location [11] by chaining:

	Applied chaining

	First rule:
	[6] -> [11] : y2'=y2-y1, -y2+y1 <= 0, cost: 1
	Second rule:
	[11] -> [7] : T, cost: 1
	New rule:
	[6] -> [7] : y2'=y2-y1, -y2+y1 <= 0, cost: 1
	
	Applied deletion

	Removed the following rules: 9 17

Step with 14

	Trace

	14[T]
	
	Blocked

	[{}, {}]

Step with 2

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)]
	
	Blocked

	[{}, {}, {}]

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {}, {}, {}]

Accelerate

Start location: [1]
Program variables: y1 y2
  14: [1] -> [3] : y1'=nondet, y2'=nondet1, T, cost: 1
   2: [3] -> [5] : (y2 > 0 /\ y1 > 0), cost: 1
  13: [3] -> [4] : (y2 <= 0 \/ y1 <= 0), cost: 1
   3: [5] -> [6] : (-y2+y1 < 0 \/ -y2+y1 > 0), cost: 1
  15: [5] -> [4] : (-y2+y1 <= 0 /\ -y2+y1 >= 0), cost: 1
  20: [5] -> LoAT_sink : (-y2+y1 > 0 /\ y2 <= 0), cost: NONTERM
  21: [5] -> [5] : y1'=y1-y2*n, (-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0), cost: 1
  18: [6] -> [7] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
  19: [6] -> [7] : y2'=y2-y1, -y2+y1 <= 0, cost: 1
  10: [7] -> [5] : T, cost: 1

	Certificate of Non-Termination

	Original rule:
	[5] -> [5] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
	New rule:
	[5] -> LoAT_sink : (-y2+y1 > 0 /\ y2 <= 0), cost: NONTERM

		-y2+y1 > 0 [0]: eventual decrease yields (-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0)
		
		-y2+y1 > 0 [1]: eventual increase yields (-y2+y1 > 0 /\ y2 <= 0)
		
		Replacement map: {-y2+y1 > 0 -> (-y2+y1 > 0 /\ y2 <= 0)}

	Loop Acceleration

	Original rule:
	[5] -> [5] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
	New rule:
	[5] -> [5] : y1'=y1-y2*n, (-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0), cost: 1

		-y2+y1 > 0 [0]: eventual decrease yields (-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0)
		
		-y2+y1 > 0 [1]: eventual increase yields (-y2+y1 > 0 /\ y2 <= 0)
		
		Replacement map: {-y2+y1 > 0 -> (-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0)}

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {21[T]}]

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {20[T], 21[T]}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {15[T], 20[T], 21[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {15[T], 20[T], 21[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {15[T], 20[T], 21[T]}, {}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {15[T], 20[T], 21[T]}, {}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {15[T], 20[T], 21[T]}, {}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {15[T], 20[T], 21[T]}, {18[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {18[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {18[T]}, {}, {}]

Accelerate

Start location: [1]
Program variables: y1 y2
  14: [1] -> [3] : y1'=nondet, y2'=nondet1, T, cost: 1
   2: [3] -> [5] : (y2 > 0 /\ y1 > 0), cost: 1
  13: [3] -> [4] : (y2 <= 0 \/ y1 <= 0), cost: 1
   3: [5] -> [6] : (-y2+y1 < 0 \/ -y2+y1 > 0), cost: 1
  15: [5] -> [4] : (-y2+y1 <= 0 /\ -y2+y1 >= 0), cost: 1
  20: [5] -> LoAT_sink : (-y2+y1 > 0 /\ y2 <= 0), cost: NONTERM
  21: [5] -> [5] : y1'=y1-y2*n, (-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0), cost: 1
  22: [5] -> LoAT_sink : (y2-y1 > 0 /\ y2-y1 >= 0 /\ y1 <= 0), cost: NONTERM
  23: [5] -> [5] : y2'=-n2*y1+y2, (-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0), cost: 1
  18: [6] -> [7] : y1'=-y2+y1, -y2+y1 > 0, cost: 1
  19: [6] -> [7] : y2'=y2-y1, -y2+y1 <= 0, cost: 1
  10: [7] -> [5] : T, cost: 1

	Certificate of Non-Termination

	Original rule:
	[5] -> [5] : y2'=y2-y1, (-y2+y1 < 0 /\ -y2+y1 <= 0), cost: 1
	New rule:
	[5] -> LoAT_sink : (y2-y1 > 0 /\ y2-y1 >= 0 /\ y1 <= 0), cost: NONTERM

		y2-y1 > 0 [0]: eventual decrease yields (y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0)
		
		y2-y1 > 0 [1]: eventual increase yields (y2-y1 > 0 /\ y1 <= 0)
		
		y2-y1 >= 0 [0]: montonic decrease yields -(-1+n2)*y1+y2-y1 >= 0, dependencies: y2-y1 > 0
		
		y2-y1 >= 0 [1]: eventual increase yields (y2-y1 >= 0 /\ y1 <= 0)
		
		Replacement map: {y2-y1 > 0 -> (y2-y1 > 0 /\ y1 <= 0), y2-y1 >= 0 -> (y2-y1 >= 0 /\ y1 <= 0)}

	Loop Acceleration

	Original rule:
	[5] -> [5] : y2'=y2-y1, (-y2+y1 < 0 /\ -y2+y1 <= 0), cost: 1
	New rule:
	[5] -> [5] : y2'=-n2*y1+y2, (-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0), cost: 1

		y2-y1 > 0 [0]: eventual decrease yields (y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0)
		
		y2-y1 > 0 [1]: eventual increase yields (y2-y1 > 0 /\ y1 <= 0)
		
		y2-y1 >= 0 [0]: montonic decrease yields -(-1+n2)*y1+y2-y1 >= 0, dependencies: y2-y1 > 0
		
		y2-y1 >= 0 [1]: eventual increase yields (y2-y1 >= 0 /\ y1 <= 0)
		
		Replacement map: {y2-y1 > 0 -> (y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0), y2-y1 >= 0 -> -(-1+n2)*y1+y2-y1 >= 0}

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {23[T]}]

Acceleration Failed

marked recursive suffix as redundant

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {20[T], 22[T], 23[T]}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {19[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {19[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {19[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 20[T], 22[T], 23[T]}]

Step with 21

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {21[T]}]

Acceleration Failed

marked recursive suffix as redundant

Acceleration Failed

marked recursive suffix as redundant

Step with 23

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {23[T]}]

Acceleration Failed

marked recursive suffix as redundant

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T], 23[T]}]

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T], 23[T]}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {18[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {18[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {18[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T]}, {3[T], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 23[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 23[T]}, {}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 23[T]}, {}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 23[T]}, {}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 21[T], 23[T]}, {19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {15[T]}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 20[T], 21[T], 23[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)]
	
	Blocked

	[{}, {}, {15[T], 21[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T], 21[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T], 21[T]}, {}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {15[T], 21[T]}, {}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {15[T], 21[T]}, {}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {15[T], 21[T]}, {19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)]
	
	Blocked

	[{}, {}, {3[-y2+y1 < 0], 15[T], 21[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[-y2+y1 < 0], 15[T], 21[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[-y2+y1 < 0], 15[T], 21[T]}, {19[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {3[-y2+y1 < 0], 15[T], 21[T]}, {19[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[-y2+y1 < 0], 15[T], 21[T]}, {19[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[-y2+y1 < 0], 15[T], 21[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)]
	
	Blocked

	[{}, {}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 21[T]}]

Step with 23

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {23[T]}]

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {20[T], 22[T], 23[T]}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {18[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {18[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {18[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {15[T], 20[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 22[T], 23[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 22[T], 23[T]}, {19[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 22[T], 23[T]}, {19[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 22[T], 23[T]}, {19[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 20[T], 22[T], 23[T]}]

Step with 21

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {21[T]}]

Step with 23

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {23[T]}]

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {20[T], 22[T], 23[T]}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {15[T], 20[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {15[T], 20[T], 22[T], 23[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {15[T], 20[T], 22[T], 23[T]}, {}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {15[T], 20[T], 22[T], 23[T]}, {}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {15[T], 20[T], 22[T], 23[T]}, {}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {15[T], 20[T], 22[T], 23[T]}, {18[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[-y2+y1 > 0], 15[T], 20[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 20[T], 22[T], 23[T]}]

Step with 21

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {21[T]}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T]}, {3[T], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T], 23[T]}]

Step with 15

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 15[(-y2+y1 <= 0 /\ -y2+y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {20[T], 21[T], 22[T], 23[T]}, {}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {}]

Step with 19

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)], 10[T]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)], 19[(-y2+y1 <= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 < 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Step with 3

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {}]

Step with 18

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}, {}]

Step with 10

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)], 10[T]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}, {}, {}]

Covered

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)], 18[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {19[T]}, {10[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)], 3[(-y2+y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[-y2+y1 < 0], 15[T], 20[T], 21[T], 22[T], 23[T]}, {18[T], 19[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)], 21[(-y2+y1 > 0 /\ -y2*(-1+n)-y2+y1 > 0 /\ -1+n >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 22[T], 23[T]}, {3[(-y2+y1 < 0 /\ -y2+y1 > 0)], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)], 23[(-1+n2 >= 0 /\ y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 > 0 /\ -(-1+n2)*y1+y2-y1 >= 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T]}, {3[T], 15[T], 20[T], 21[T], 22[T], 23[T]}]

Backtrack

	Trace

	14[T], 2[(y2 > 0 /\ y1 > 0)]
	
	Blocked

	[{}, {}, {3[T], 15[T], 21[T], 23[T]}]

Backtrack

	Trace

	14[T]
	
	Blocked

	[{}, {2[T]}]

Step with 13

	Trace

	14[T], 13[(y2 <= 0)]
	
	Blocked

	[{}, {2[T]}, {}]

Backtrack

	Trace

	14[T]
	
	Blocked

	[{}, {2[T], 13[y2 <= 0]}]

Step with 13

	Trace

	14[T], 13[(y1 <= 0)]
	
	Blocked

	[{}, {2[T], 13[y2 <= 0]}, {}]

Backtrack

	Trace

	14[T]
	
	Blocked

	[{}, {2[T], 13[(y2 <= 0 /\ y1 <= 0)]}]

Backtrack

	Trace

	Blocked

	[{14[T]}]

Accept

unknown

Build SHA: a05f16bf13df659c382799650051f91bf6828c7b