Initial Problem

Start: l0
Program_Vars: X₀, X₁, X₂, X₃, X₄
Temp_Vars: nondef.0
Locations: l0, l1, l10, l11, l2, l3, l4, l5, l6, l7, l8, l9
Transitions:
t₀: l0(X₀, X₁, X₂, X₃, X₄) → l7(X₀, X₁, X₂, X₃, X₄)
t₁₇: l1(X₀, X₁, X₂, X₃, X₄) → l4(X₀, X₁, X₂+1, X₃, X₂) :|: 0 < X₀
t₁₈: l1(X₀, X₁, X₂, X₃, X₄) → l4(X₀, X₁, X₂+1, X₃, X₄) :|: X₀ ≤ 0
t₁₃: l10(X₀, X₁, X₂, X₃, X₄) → l2(X₀, X₁, X₂, X₃, X₄) :|: 0 ≤ X₂ ∧ X₂+1 ≤ X₃
t₁₁: l10(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₂ < 0
t₁₂: l10(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₃ < X₂+1
t₁₄: l2(X₀, X₁, X₂, X₃, X₄) → l3(X₀, X₁, X₂, X₃, X₄)
t₁₆: l3(X₀, X₁, X₂, X₃, X₄) → l1(nondef.0, X₁, X₂, X₃, X₄)
t₇: l4(X₀, X₁, X₂, X₃, X₄) → l8(X₀, X₁, X₂, X₃, X₄) :|: X₁ < 1+X₂
t₆: l4(X₀, X₁, X₂, X₃, X₄) → l9(X₀, X₁, X₂, X₃, X₄) :|: X₂+1 ≤ X₁
t₅: l5(X₀, X₁, X₂, X₃, X₄) → l4(X₀, X₁, 1, X₃, 0) :|: 1 ≤ X₁ ∧ 0 < X₃
t₃: l5(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₁ < 1
t₄: l5(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₃ ≤ 0
t₂₂: l6(X₀, X₁, X₂, X₃, X₄) → l11(X₀, X₁, X₂, X₃, X₄)
t₁: l7(X₀, X₁, X₂, X₃, X₄) → l5(X₀, X₃, X₂, X₃, X₄) :|: 0 < X₃
t₂: l7(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₃ ≤ 0
t₂₁: l8(X₀, X₁, X₂, X₃, X₄) → l5(X₀, X₄, X₂, X₃, X₄) :|: 1 ≤ X₄ ∧ X₄ < X₁
t₁₉: l8(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₄ < 1
t₂₀: l8(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₁ ≤ X₄
t₁₀: l9(X₀, X₁, X₂, X₃, X₄) → l10(X₀, X₁, X₂, X₃, X₄) :|: 1 ≤ X₂ ∧ X₂ ≤ X₃
t₈: l9(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₂ < 1
t₉: l9(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₃ < X₂

Preprocessing

Cut unsatisfiable transition t₁₁: l10→l6

Cut unsatisfiable transition t₃: l5→l6

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location l2

Found invariant 1 ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1 ≤ X₁ for location l5

Found invariant 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ 1 ≤ X₁ for location l8

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location l1

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location l10

Found invariant 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ 1 ≤ X₁ for location l4

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location l9

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location l3

Cut unsatisfiable transition t₁₂: l10→l6

Cut unsatisfiable transition t₄: l5→l6

Cut unsatisfiable transition t₂₀: l8→l6

Cut unsatisfiable transition t₈: l9→l6

Cut unsatisfiable transition t₉: l9→l6

Problem after Preprocessing

Start: l0
Program_Vars: X₀, X₁, X₂, X₃, X₄
Temp_Vars: nondef.0
Locations: l0, l1, l10, l11, l2, l3, l4, l5, l6, l7, l8, l9
Transitions:
t₀: l0(X₀, X₁, X₂, X₃, X₄) → l7(X₀, X₁, X₂, X₃, X₄)
t₁₇: l1(X₀, X₁, X₂, X₃, X₄) → l4(X₀, X₁, X₂+1, X₃, X₂) :|: 0 < X₀ ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁
t₁₈: l1(X₀, X₁, X₂, X₃, X₄) → l4(X₀, X₁, X₂+1, X₃, X₄) :|: X₀ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁
t₁₃: l10(X₀, X₁, X₂, X₃, X₄) → l2(X₀, X₁, X₂, X₃, X₄) :|: 0 ≤ X₂ ∧ X₂+1 ≤ X₃ ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁
t₁₄: l2(X₀, X₁, X₂, X₃, X₄) → l3(X₀, X₁, X₂, X₃, X₄) :|: 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁
t₁₆: l3(X₀, X₁, X₂, X₃, X₄) → l1(nondef.0, X₁, X₂, X₃, X₄) :|: 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁
t₇: l4(X₀, X₁, X₂, X₃, X₄) → l8(X₀, X₁, X₂, X₃, X₄) :|: X₁ < 1+X₂ ∧ 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ 1 ≤ X₁
t₆: l4(X₀, X₁, X₂, X₃, X₄) → l9(X₀, X₁, X₂, X₃, X₄) :|: X₂+1 ≤ X₁ ∧ 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ 1 ≤ X₁
t₅: l5(X₀, X₁, X₂, X₃, X₄) → l4(X₀, X₁, 1, X₃, 0) :|: 1 ≤ X₁ ∧ 0 < X₃ ∧ 1 ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1 ≤ X₁
t₂₂: l6(X₀, X₁, X₂, X₃, X₄) → l11(X₀, X₁, X₂, X₃, X₄)
t₁: l7(X₀, X₁, X₂, X₃, X₄) → l5(X₀, X₃, X₂, X₃, X₄) :|: 0 < X₃
t₂: l7(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₃ ≤ 0
t₂₁: l8(X₀, X₁, X₂, X₃, X₄) → l5(X₀, X₄, X₂, X₃, X₄) :|: 1 ≤ X₄ ∧ X₄ < X₁ ∧ 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ 1 ≤ X₁
t₁₉: l8(X₀, X₁, X₂, X₃, X₄) → l6(X₀, X₁, X₂, X₃, X₄) :|: X₄ < 1 ∧ 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ 1 ≤ X₁
t₁₀: l9(X₀, X₁, X₂, X₃, X₄) → l10(X₀, X₁, X₂, X₃, X₄) :|: 1 ≤ X₂ ∧ X₂ ≤ X₃ ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁

Analysing control-flow refined program

Cut unsatisfiable transition t₉₃₂: n_l8___12→l6

Cut unsatisfiable transition t₉₃₃: n_l8___20→l6

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location n_l3___24

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 4 ≤ X₁+X₄ ∧ 2 ≤ X₀+X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4 ≤ X₀+X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 3 ≤ X₀+X₂ ∧ 3 ≤ X₁ ∧ 4 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location n_l9___19

Found invariant 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 3 ≤ X₁+X₄ ∧ 2 ≤ X₀+X₄ ∧ 2 ≤ X₃ ∧ 4 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3 ≤ X₀+X₃ ∧ X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 4 ≤ X₁+X₂ ∧ 3 ≤ X₀+X₂ ∧ 2 ≤ X₁ ∧ 3 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location n_l4___22

Found invariant 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 5 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 5 ≤ X₁+X₄ ∧ 1+X₀ ≤ X₄ ∧ 4 ≤ X₃ ∧ 7 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 8 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 7 ≤ X₁+X₂ ∧ 3+X₀ ≤ X₂ ∧ 4 ≤ X₁ ∧ 4+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l9___11

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 4 ≤ X₁+X₄ ∧ 2 ≤ X₀+X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4 ≤ X₀+X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 3 ≤ X₀+X₂ ∧ 3 ≤ X₁ ∧ 4 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location n_l3___15

Found invariant X₄ ≤ 0 ∧ 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 1+X₄ ≤ X₁ ∧ X₁+X₄ ≤ 1 ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 1 ≤ X₁+X₄ ∧ X₁ ≤ 1+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ X₂ ≤ X₁ ∧ X₁+X₂ ≤ 2 ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ X₁ ≤ 1 ∧ 1 ≤ X₁ for location n_l8___28

Found invariant X₄ ≤ 0 ∧ 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ X₀+X₄ ≤ 0 ∧ 0 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 3 ≤ X₁+X₄ ∧ X₀ ≤ X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 2+X₀ ≤ X₂ ∧ 3 ≤ X₁ ∧ 3+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l10___4

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location n_l9___27

Found invariant 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 2 ≤ X₃ ∧ 4 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 3 ≤ X₁+X₃ ∧ 1+X₁ ≤ X₃ ∧ 2 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 1+X₁ ≤ X₂ ∧ 1 ≤ X₁ for location n_l5___18

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ X₀+X₄ ≤ 0 ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₀ ≤ X₄ ∧ 2 ≤ X₃ ∧ 4 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 2+X₀ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 4 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ 2+X₀ ≤ X₂ ∧ 2 ≤ X₁ ∧ 2+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l8___6

Found invariant 2+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 4 ≤ X₁+X₄ ∧ 1+X₀ ≤ X₄ ∧ 3 ≤ X₃ ∧ 6 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3+X₀ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 6 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ 3+X₀ ≤ X₂ ∧ 3 ≤ X₁ ∧ 3+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l8___12

Found invariant 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 5 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 5 ≤ X₁+X₄ ∧ 4 ≤ X₃ ∧ 7 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 8 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 7 ≤ X₁+X₂ ∧ 4 ≤ X₁ for location n_l1___7

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 4 ≤ X₁+X₄ ∧ 2 ≤ X₀+X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4 ≤ X₀+X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 3 ≤ X₀+X₂ ∧ 3 ≤ X₁ ∧ 4 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location n_l2___16

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 4 ≤ X₁+X₄ ∧ 2 ≤ X₀+X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4 ≤ X₀+X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 3 ≤ X₀+X₂ ∧ 3 ≤ X₁ ∧ 4 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location n_l10___17

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location n_l2___25

Found invariant 2+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 4 ≤ X₁+X₄ ∧ 1+X₀ ≤ X₄ ∧ 3 ≤ X₃ ∧ 6 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3+X₀ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 6 ≤ X₁+X₂ ∧ 3+X₀ ≤ X₂ ∧ 3 ≤ X₁ ∧ 3+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l4___13

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ X₀+X₄ ≤ 0 ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₀ ≤ X₄ ∧ 2 ≤ X₃ ∧ 4 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 2+X₀ ≤ X₃ ∧ X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 4 ≤ X₁+X₂ ∧ 2+X₀ ≤ X₂ ∧ 2 ≤ X₁ ∧ 2+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l4___21

Found invariant X₄ ≤ 0 ∧ 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ X₀+X₄ ≤ 0 ∧ 0 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 3 ≤ X₁+X₄ ∧ X₀ ≤ X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 2+X₀ ≤ X₂ ∧ 3 ≤ X₁ ∧ 3+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l2___3

Found invariant 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 1+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 3 ≤ X₁+X₄ ∧ X₁ ≤ 1+X₄ ∧ 2 ≤ X₀+X₄ ∧ 2 ≤ X₃ ∧ 4 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3 ≤ X₀+X₃ ∧ X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 4 ≤ X₁+X₂ ∧ X₁ ≤ X₂ ∧ 3 ≤ X₀+X₂ ∧ 2 ≤ X₁ ∧ 3 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location n_l8___20

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location n_l10___26

Found invariant 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 5 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 5 ≤ X₁+X₄ ∧ 1+X₀ ≤ X₄ ∧ 4 ≤ X₃ ∧ 7 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 8 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 7 ≤ X₁+X₂ ∧ 3+X₀ ≤ X₂ ∧ 4 ≤ X₁ ∧ 4+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l2___9

Found invariant 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 5 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 5 ≤ X₁+X₄ ∧ 1+X₀ ≤ X₄ ∧ 4 ≤ X₃ ∧ 7 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 8 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 7 ≤ X₁+X₂ ∧ 3+X₀ ≤ X₂ ∧ 4 ≤ X₁ ∧ 4+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l3___8

Found invariant X₄ ≤ 0 ∧ 1+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 1+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 1 ≤ X₁+X₄ ∧ 1 ≤ X₃ ∧ 2 ≤ X₂+X₃ ∧ X₂ ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 2 ≤ X₁+X₂ ∧ 1 ≤ X₁ for location n_l4___29

Found invariant X₃ ≤ X₁ ∧ 1 ≤ X₃ ∧ 2 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1 ≤ X₁ for location l5

Found invariant X₄ ≤ 0 ∧ 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ X₂+X₄ ≤ 1 ∧ 2+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 2 ≤ X₃+X₄ ∧ 1 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 2 ≤ X₁+X₄ ∧ 2 ≤ X₃ ∧ 3 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 4 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ X₂ ≤ 1 ∧ 1+X₂ ≤ X₁ ∧ 1 ≤ X₂ ∧ 3 ≤ X₁+X₂ ∧ 2 ≤ X₁ for location n_l1___23

Found invariant X₄ ≤ 0 ∧ 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ X₀+X₄ ≤ 0 ∧ 0 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 3 ≤ X₁+X₄ ∧ X₀ ≤ X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 2+X₀ ≤ X₂ ∧ 3 ≤ X₁ ∧ 3+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l3___2

Found invariant 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 5 ≤ X₃+X₄ ∧ 4 ≤ X₂+X₄ ∧ 5 ≤ X₁+X₄ ∧ 1+X₀ ≤ X₄ ∧ 4 ≤ X₃ ∧ 7 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 8 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 4+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 3 ≤ X₂ ∧ 7 ≤ X₁+X₂ ∧ 3+X₀ ≤ X₂ ∧ 4 ≤ X₁ ∧ 4+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l10___10

Found invariant 2+X₄ ≤ X₃ ∧ 1+X₄ ≤ X₂ ∧ 2+X₄ ≤ X₁ ∧ 1 ≤ X₄ ∧ 4 ≤ X₃+X₄ ∧ 3 ≤ X₂+X₄ ∧ X₂ ≤ 1+X₄ ∧ 4 ≤ X₁+X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 3 ≤ X₁ for location n_l1___14

Found invariant X₄ ≤ 0 ∧ 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ X₀+X₄ ≤ 0 ∧ 0 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 3 ≤ X₁+X₄ ∧ X₀ ≤ X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 3+X₀ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 2+X₀ ≤ X₂ ∧ 3 ≤ X₁ ∧ 3+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location n_l9___5

Found invariant X₄ ≤ 0 ∧ 3+X₄ ≤ X₃ ∧ 2+X₄ ≤ X₂ ∧ 3+X₄ ≤ X₁ ∧ 0 ≤ X₄ ∧ 3 ≤ X₃+X₄ ∧ 2 ≤ X₂+X₄ ∧ 3 ≤ X₁+X₄ ∧ 3 ≤ X₃ ∧ 5 ≤ X₂+X₃ ∧ 1+X₂ ≤ X₃ ∧ 6 ≤ X₁+X₃ ∧ X₁ ≤ X₃ ∧ 1+X₂ ≤ X₁ ∧ 2 ≤ X₂ ∧ 5 ≤ X₁+X₂ ∧ 3 ≤ X₁ for location n_l1___1

Cut unsatisfiable transition t₉₁₂: n_l8___6→n_l5___18

CFR did not improve the program. Rolling back

All Bounds

Timebounds

Overall timebound:inf {Infinity}
t₀: 1 {O(1)}
t₁₇: inf {Infinity}
t₁₈: inf {Infinity}
t₁₃: inf {Infinity}
t₁₄: inf {Infinity}
t₁₆: inf {Infinity}
t₆: inf {Infinity}
t₇: inf {Infinity}
t₅: inf {Infinity}
t₂₂: 1 {O(1)}
t₁: 1 {O(1)}
t₂: 1 {O(1)}
t₁₉: 1 {O(1)}
t₂₁: inf {Infinity}
t₁₀: inf {Infinity}

Costbounds

Overall costbound: inf {Infinity}
t₀: 1 {O(1)}
t₁₇: inf {Infinity}
t₁₈: inf {Infinity}
t₁₃: inf {Infinity}
t₁₄: inf {Infinity}
t₁₆: inf {Infinity}
t₆: inf {Infinity}
t₇: inf {Infinity}
t₅: inf {Infinity}
t₂₂: 1 {O(1)}
t₁: 1 {O(1)}
t₂: 1 {O(1)}
t₁₉: 1 {O(1)}
t₂₁: inf {Infinity}
t₁₀: inf {Infinity}

Sizebounds

t₀, X₀: X₀ {O(n)}
t₀, X₁: X₁ {O(n)}
t₀, X₂: X₂ {O(n)}
t₀, X₃: X₃ {O(n)}
t₀, X₄: X₄ {O(n)}
t₁₇, X₁: X₃ {O(n)}
t₁₇, X₃: X₃ {O(n)}
t₁₈, X₁: X₃ {O(n)}
t₁₈, X₃: X₃ {O(n)}
t₁₃, X₁: X₃ {O(n)}
t₁₃, X₃: X₃ {O(n)}
t₁₄, X₁: X₃ {O(n)}
t₁₄, X₃: X₃ {O(n)}
t₁₆, X₁: X₃ {O(n)}
t₁₆, X₃: X₃ {O(n)}
t₆, X₁: X₃ {O(n)}
t₆, X₃: X₃ {O(n)}
t₇, X₁: X₃ {O(n)}
t₇, X₃: X₃ {O(n)}
t₅, X₁: X₃ {O(n)}
t₅, X₂: 1 {O(1)}
t₅, X₃: X₃ {O(n)}
t₅, X₄: 0 {O(1)}
t₂₂, X₁: X₁+X₃ {O(n)}
t₂₂, X₃: 2⋅X₃ {O(n)}
t₂₂, X₄: X₄ {O(n)}
t₁, X₀: X₀ {O(n)}
t₁, X₁: X₃ {O(n)}
t₁, X₂: X₂ {O(n)}
t₁, X₃: X₃ {O(n)}
t₁, X₄: X₄ {O(n)}
t₂, X₀: X₀ {O(n)}
t₂, X₁: X₁ {O(n)}
t₂, X₂: X₂ {O(n)}
t₂, X₃: X₃ {O(n)}
t₂, X₄: X₄ {O(n)}
t₁₉, X₁: X₃ {O(n)}
t₁₉, X₃: X₃ {O(n)}
t₁₉, X₄: 0 {O(1)}
t₂₁, X₁: X₃ {O(n)}
t₂₁, X₃: X₃ {O(n)}
t₁₀, X₁: X₃ {O(n)}
t₁₀, X₃: X₃ {O(n)}