KoAT2 Proof Output

Initial Problem

Preprocessing

Found invariant 1 ≤ X₄ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁ for location eval_wcet1_bb1_in

Found invariant 1 ≤ X₄ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁ for location eval_wcet1_4

Found invariant 1 ≤ X₄ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁ for location eval_wcet1_5

Found invariant 1 ≤ X₄ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 2 ≤ X₀+X₄ ∧ 0 ≤ X₂ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₀+X₂ ∧ 1 ≤ X₁ ∧ 2 ≤ X₀+X₁ ∧ 1 ≤ X₀ for location eval_wcet1_bb2_in

Found invariant 1 ≤ X₄ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 1+X₀ ≤ X₄ ∧ 0 ≤ X₂ ∧ 1 ≤ X₁+X₂ ∧ X₀ ≤ X₂ ∧ 1 ≤ X₁ ∧ 1+X₀ ≤ X₁ ∧ X₀ ≤ 0 for location eval_wcet1_bb3_in

Found invariant 1 ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1+X₃ ≤ X₄ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ X₃ ≤ 1+X₂ ∧ 0 ≤ X₃ ∧ 0 ≤ X₂+X₃ ∧ 1 ≤ X₁+X₃ ∧ 0 ≤ X₂ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁ for location eval_wcet1_bb4_in

Problem after Preprocessing

Start: eval_wcet1_start
Program_Vars: X₀, X₁, X₂, X₃, X₄
Temp_Vars: nondef_0
Locations: eval_wcet1_0, eval_wcet1_1, eval_wcet1_2, eval_wcet1_3, eval_wcet1_4, eval_wcet1_5, eval_wcet1_bb0_in, eval_wcet1_bb1_in, eval_wcet1_bb2_in, eval_wcet1_bb3_in, eval_wcet1_bb4_in, eval_wcet1_bb5_in, eval_wcet1_start, eval_wcet1_stop
Transitions:
t₂: eval_wcet1_0(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_1(X₀, X₁, X₂, X₃, X₄)
t₃: eval_wcet1_1(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_2(X₀, X₁, X₂, X₃, X₄)
t₄: eval_wcet1_2(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_3(X₀, X₁, X₂, X₃, X₄)
t₅: eval_wcet1_3(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb1_in(X₀, X₄, 0, X₃, X₄) :|: 1 ≤ X₄
t₆: eval_wcet1_3(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb5_in(X₀, X₁, X₂, X₃, X₄) :|: X₄ ≤ 0
t₈: eval_wcet1_4(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_5(nondef_0, X₁, X₂, X₃, X₄) :|: 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₉: eval_wcet1_5(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb2_in(X₀, X₁, X₂, X₃, X₄) :|: 1 ≤ X₀ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁₀: eval_wcet1_5(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb3_in(X₀, X₁, X₂, X₃, X₄) :|: X₀ ≤ 0 ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁: eval_wcet1_bb0_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_0(X₀, X₁, X₂, X₃, X₄)
t₇: eval_wcet1_bb1_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_4(X₀, X₁, X₂, X₃, X₄) :|: 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁₁: eval_wcet1_bb2_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, 0, X₄) :|: X₄ ≤ 1+X₂ ∧ 1 ≤ X₀ ∧ 1 ≤ X₀+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₀+X₁ ∧ 2 ≤ X₀+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁₂: eval_wcet1_bb2_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, 1+X₂, X₄) :|: 2+X₂ ≤ X₄ ∧ 1 ≤ X₀ ∧ 1 ≤ X₀+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₀+X₁ ∧ 2 ≤ X₀+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁₃: eval_wcet1_bb3_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, 0, X₄) :|: X₂ ≤ 1 ∧ 1+X₀ ≤ X₁ ∧ 1+X₀ ≤ X₄ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₀ ≤ 0 ∧ X₀ ≤ X₂ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁₄: eval_wcet1_bb3_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, X₂-1, X₄) :|: 2 ≤ X₂ ∧ 1+X₀ ≤ X₁ ∧ 1+X₀ ≤ X₄ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₀ ≤ 0 ∧ X₀ ≤ X₂ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂
t₁₅: eval_wcet1_bb4_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb1_in(X₀, X₁-1, X₃, X₃, X₄) :|: 2 ≤ X₁ ∧ X₃ ≤ 1+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁+X₃ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1+X₃ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ ∧ 0 ≤ X₂+X₃ ∧ 0 ≤ X₃
t₁₆: eval_wcet1_bb4_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb5_in(X₀, X₁, X₂, X₃, X₄) :|: X₁ ≤ 1 ∧ X₃ ≤ 1+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁+X₃ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1+X₃ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ ∧ 0 ≤ X₂+X₃ ∧ 0 ≤ X₃
t₁₇: eval_wcet1_bb5_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_stop(X₀, X₁, X₂, X₃, X₄)
t₀: eval_wcet1_start(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb0_in(X₀, X₁, X₂, X₃, X₄)

MPRF for transition t₇: eval_wcet1_bb1_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_4(X₀, X₁, X₂, X₃, X₄) :|: 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄ {O(n)}

MPRF:

• eval_wcet1_4: [X₁-1]
• eval_wcet1_5: [X₁-1]
• eval_wcet1_bb1_in: [X₁]
• eval_wcet1_bb2_in: [X₁-1]
• eval_wcet1_bb3_in: [X₁-1]
• eval_wcet1_bb4_in: [X₁-1]

MPRF for transition t₈: eval_wcet1_4(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_5(nondef_0, X₁, X₂, X₃, X₄) :|: 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄ {O(n)}

MPRF:

• eval_wcet1_4: [X₁]
• eval_wcet1_5: [X₁-1]
• eval_wcet1_bb1_in: [X₁]
• eval_wcet1_bb2_in: [X₁-1]
• eval_wcet1_bb3_in: [X₁-1]
• eval_wcet1_bb4_in: [X₁-1]

MPRF for transition t₉: eval_wcet1_5(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb2_in(X₀, X₁, X₂, X₃, X₄) :|: 1 ≤ X₀ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄ {O(n)}

MPRF:

• eval_wcet1_4: [X₁]
• eval_wcet1_5: [X₁]
• eval_wcet1_bb1_in: [X₁]
• eval_wcet1_bb2_in: [X₁-1]
• eval_wcet1_bb3_in: [X₁]
• eval_wcet1_bb4_in: [X₁-1]

MPRF for transition t₁₀: eval_wcet1_5(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb3_in(X₀, X₁, X₂, X₃, X₄) :|: X₀ ≤ 0 ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

2⋅X₄+1 {O(n)}

MPRF:

• eval_wcet1_4: [X₁+X₄-1]
• eval_wcet1_5: [X₁+X₄-1]
• eval_wcet1_bb1_in: [X₁+X₄-1]
• eval_wcet1_bb2_in: [X₁+X₄-2]
• eval_wcet1_bb3_in: [X₁+X₄-2]
• eval_wcet1_bb4_in: [X₁+X₄-2]

MPRF for transition t₁₁: eval_wcet1_bb2_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, 0, X₄) :|: X₄ ≤ 1+X₂ ∧ 1 ≤ X₀ ∧ 1 ≤ X₀+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₀+X₁ ∧ 2 ≤ X₀+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄ {O(n)}

MPRF:

• eval_wcet1_4: [X₁]
• eval_wcet1_5: [X₁]
• eval_wcet1_bb1_in: [X₁]
• eval_wcet1_bb2_in: [X₁]
• eval_wcet1_bb3_in: [X₁]
• eval_wcet1_bb4_in: [X₁-1]

MPRF for transition t₁₂: eval_wcet1_bb2_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, 1+X₂, X₄) :|: 2+X₂ ≤ X₄ ∧ 1 ≤ X₀ ∧ 1 ≤ X₀+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₀+X₁ ∧ 2 ≤ X₀+X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄ {O(n)}

MPRF:

• eval_wcet1_4: [X₁]
• eval_wcet1_5: [X₁]
• eval_wcet1_bb1_in: [X₁]
• eval_wcet1_bb2_in: [X₁]
• eval_wcet1_bb3_in: [X₁-1]
• eval_wcet1_bb4_in: [X₁-1]

MPRF for transition t₁₃: eval_wcet1_bb3_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, 0, X₄) :|: X₂ ≤ 1 ∧ 1+X₀ ≤ X₁ ∧ 1+X₀ ≤ X₄ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₀ ≤ 0 ∧ X₀ ≤ X₂ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄ {O(n)}

MPRF:

• eval_wcet1_4: [X₁]
• eval_wcet1_5: [X₁]
• eval_wcet1_bb1_in: [X₁]
• eval_wcet1_bb2_in: [X₁]
• eval_wcet1_bb3_in: [X₁]
• eval_wcet1_bb4_in: [X₁-1]

MPRF for transition t₁₄: eval_wcet1_bb3_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb4_in(X₀, X₁, X₂, X₂-1, X₄) :|: 2 ≤ X₂ ∧ 1+X₀ ≤ X₁ ∧ 1+X₀ ≤ X₄ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₀ ≤ 0 ∧ X₀ ≤ X₂ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ of depth 1:

new bound:

X₄+1 {O(n)}

MPRF:

• eval_wcet1_4: [1+X₁+X₂]
• eval_wcet1_5: [1+X₁+X₂]
• eval_wcet1_bb1_in: [1+X₁+X₂]
• eval_wcet1_bb2_in: [1+X₁+X₂]
• eval_wcet1_bb3_in: [X₁+X₂]
• eval_wcet1_bb4_in: [X₁+X₃]

MPRF for transition t₁₅: eval_wcet1_bb4_in(X₀, X₁, X₂, X₃, X₄) → eval_wcet1_bb1_in(X₀, X₁-1, X₃, X₃, X₄) :|: 2 ≤ X₁ ∧ X₃ ≤ 1+X₂ ∧ 1 ≤ X₁ ∧ 1 ≤ X₁+X₂ ∧ 1 ≤ X₁+X₃ ∧ 1 ≤ X₂+X₄ ∧ 1+X₂ ≤ X₄ ∧ 1 ≤ X₃+X₄ ∧ 1+X₃ ≤ X₄ ∧ 1 ≤ X₄ ∧ 2 ≤ X₁+X₄ ∧ X₁ ≤ X₄ ∧ 0 ≤ X₂ ∧ 0 ≤ X₂+X₃ ∧ 0 ≤ X₃ of depth 1:

new bound:

X₄+1 {O(n)}

MPRF:

• eval_wcet1_4: [1+X₁]
• eval_wcet1_5: [1+X₁]
• eval_wcet1_bb1_in: [1+X₁]
• eval_wcet1_bb2_in: [1+X₁]
• eval_wcet1_bb3_in: [1+X₁]
• eval_wcet1_bb4_in: [1+X₁]

All Bounds

Timebounds

Overall timebound:10⋅X₄+12 {O(n)}
t₀: 1 {O(1)}
t₁: 1 {O(1)}
t₂: 1 {O(1)}
t₃: 1 {O(1)}
t₄: 1 {O(1)}
t₅: 1 {O(1)}
t₆: 1 {O(1)}
t₇: X₄ {O(n)}
t₈: X₄ {O(n)}
t₉: X₄ {O(n)}
t₁₀: 2⋅X₄+1 {O(n)}
t₁₁: X₄ {O(n)}
t₁₂: X₄ {O(n)}
t₁₃: X₄ {O(n)}
t₁₄: X₄+1 {O(n)}
t₁₅: X₄+1 {O(n)}
t₁₆: 1 {O(1)}
t₁₇: 1 {O(1)}

Costbounds

Overall costbound: 10⋅X₄+12 {O(n)}
t₀: 1 {O(1)}
t₁: 1 {O(1)}
t₂: 1 {O(1)}
t₃: 1 {O(1)}
t₄: 1 {O(1)}
t₅: 1 {O(1)}
t₆: 1 {O(1)}
t₇: X₄ {O(n)}
t₈: X₄ {O(n)}
t₉: X₄ {O(n)}
t₁₀: 2⋅X₄+1 {O(n)}
t₁₁: X₄ {O(n)}
t₁₂: X₄ {O(n)}
t₁₃: X₄ {O(n)}
t₁₄: X₄+1 {O(n)}
t₁₅: X₄+1 {O(n)}
t₁₆: 1 {O(1)}
t₁₇: 1 {O(1)}

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)}
t₁, X₀: X₀ {O(n)}
t₁, X₁: X₁ {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)}
t₃, X₀: X₀ {O(n)}
t₃, X₁: X₁ {O(n)}
t₃, X₂: X₂ {O(n)}
t₃, X₃: X₃ {O(n)}
t₃, X₄: X₄ {O(n)}
t₄, X₀: X₀ {O(n)}
t₄, X₁: X₁ {O(n)}
t₄, X₂: X₂ {O(n)}
t₄, X₃: X₃ {O(n)}
t₄, X₄: X₄ {O(n)}
t₅, X₀: X₀ {O(n)}
t₅, X₁: X₄ {O(n)}
t₅, X₂: 0 {O(1)}
t₅, X₃: X₃ {O(n)}
t₅, X₄: X₄ {O(n)}
t₆, X₀: X₀ {O(n)}
t₆, X₁: X₁ {O(n)}
t₆, X₂: X₂ {O(n)}
t₆, X₃: X₃ {O(n)}
t₆, X₄: X₄ {O(n)}
t₇, X₁: X₄ {O(n)}
t₇, X₂: X₄+2 {O(n)}
t₇, X₃: 2⋅X₄+X₃+5 {O(n)}
t₇, X₄: X₄ {O(n)}
t₈, X₁: X₄ {O(n)}
t₈, X₂: X₄+2 {O(n)}
t₈, X₃: 2⋅X₄+X₃+5 {O(n)}
t₈, X₄: X₄ {O(n)}
t₉, X₁: X₄ {O(n)}
t₉, X₂: X₄+2 {O(n)}
t₉, X₃: 2⋅X₄+X₃+5 {O(n)}
t₉, X₄: X₄ {O(n)}
t₁₀, X₁: X₄ {O(n)}
t₁₀, X₂: X₄+2 {O(n)}
t₁₀, X₃: 2⋅X₄+X₃+5 {O(n)}
t₁₀, X₄: X₄ {O(n)}
t₁₁, X₁: X₄ {O(n)}
t₁₁, X₂: X₄+2 {O(n)}
t₁₁, X₃: 0 {O(1)}
t₁₁, X₄: X₄ {O(n)}
t₁₂, X₁: X₄ {O(n)}
t₁₂, X₂: X₄+2 {O(n)}
t₁₂, X₃: X₄+3 {O(n)}
t₁₂, X₄: X₄ {O(n)}
t₁₃, X₁: X₄ {O(n)}
t₁₃, X₂: 1 {O(1)}
t₁₃, X₃: 0 {O(1)}
t₁₃, X₄: X₄ {O(n)}
t₁₄, X₁: X₄ {O(n)}
t₁₄, X₂: X₄+2 {O(n)}
t₁₄, X₃: X₄+2 {O(n)}
t₁₄, X₄: X₄ {O(n)}
t₁₅, X₁: X₄ {O(n)}
t₁₅, X₂: X₄+2 {O(n)}
t₁₅, X₃: 2⋅X₄+5 {O(n)}
t₁₅, X₄: X₄ {O(n)}
t₁₆, X₁: 1 {O(1)}
t₁₆, X₂: 3⋅X₄+7 {O(n)}
t₁₆, X₃: 2⋅X₄+5 {O(n)}
t₁₆, X₄: 4⋅X₄ {O(n)}
t₁₇, X₁: X₁+1 {O(n)}
t₁₇, X₂: 3⋅X₄+X₂+7 {O(n)}
t₁₇, X₃: 2⋅X₄+X₃+5 {O(n)}
t₁₇, X₄: 5⋅X₄ {O(n)}