Initial Problem

Start: eval_foo_start
Program_Vars: X₀, X₁
Temp_Vars:
Locations: eval_foo_bb0_in, eval_foo_bb1_in, eval_foo_bb2_in, eval_foo_bb3_in, eval_foo_start, eval_foo_stop
Transitions:
t₁: eval_foo_bb0_in(X₀, X₁) → eval_foo_bb1_in(X₁, X₁) :|: 1 ≤ X₁
t₂: eval_foo_bb0_in(X₀, X₁) → eval_foo_bb3_in(X₀, X₁) :|: X₁ ≤ 0
t₃: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb2_in(X₀, X₁) :|: 1+X₀ ≤ 0
t₄: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb2_in(X₀, X₁) :|: 1 ≤ X₀
t₅: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb3_in(X₀, X₁) :|: 0 ≤ X₀ ∧ X₀ ≤ 0
t₆: eval_foo_bb2_in(X₀, X₁) → eval_foo_bb1_in(X₀-2, X₁)
t₇: eval_foo_bb3_in(X₀, X₁) → eval_foo_stop(X₀, X₁)
t₀: eval_foo_start(X₀, X₁) → eval_foo_bb0_in(X₀, X₁)

Preprocessing

Found invariant 1 ≤ X₁ ∧ X₀ ≤ X₁ for location eval_foo_bb2_in

Found invariant 1 ≤ X₁ ∧ X₀ ≤ X₁ for location eval_foo_bb1_in

Problem after Preprocessing

Start: eval_foo_start
Program_Vars: X₀, X₁
Temp_Vars:
Locations: eval_foo_bb0_in, eval_foo_bb1_in, eval_foo_bb2_in, eval_foo_bb3_in, eval_foo_start, eval_foo_stop
Transitions:
t₁: eval_foo_bb0_in(X₀, X₁) → eval_foo_bb1_in(X₁, X₁) :|: 1 ≤ X₁
t₂: eval_foo_bb0_in(X₀, X₁) → eval_foo_bb3_in(X₀, X₁) :|: X₁ ≤ 0
t₃: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb2_in(X₀, X₁) :|: 1+X₀ ≤ 0 ∧ 1 ≤ X₁ ∧ X₀ ≤ X₁
t₄: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb2_in(X₀, X₁) :|: 1 ≤ X₀ ∧ 1 ≤ X₁ ∧ X₀ ≤ X₁
t₅: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb3_in(X₀, X₁) :|: 0 ≤ X₀ ∧ X₀ ≤ 0 ∧ 1 ≤ X₁ ∧ X₀ ≤ X₁
t₆: eval_foo_bb2_in(X₀, X₁) → eval_foo_bb1_in(X₀-2, X₁) :|: 1 ≤ X₁ ∧ X₀ ≤ X₁
t₇: eval_foo_bb3_in(X₀, X₁) → eval_foo_stop(X₀, X₁)
t₀: eval_foo_start(X₀, X₁) → eval_foo_bb0_in(X₀, X₁)

MPRF for transition t₄: eval_foo_bb1_in(X₀, X₁) → eval_foo_bb2_in(X₀, X₁) :|: 1 ≤ X₀ ∧ 1 ≤ X₁ ∧ X₀ ≤ X₁ of depth 1:

new bound:

X₁ {O(n)}

• eval_foo_bb1_in: [X₀]
• eval_foo_bb2_in: [X₀-2]

Cut unsatisfiable transition [t₅: eval_foo_bb1_in→eval_foo_bb3_in; t₄₀: eval_foo_bb1_in→eval_foo_bb3_in; t₄₂: eval_foo_bb1_in→eval_foo_bb2_in_v2]

Found invariant 1 ≤ X₁ ∧ 4+X₀ ≤ X₁ ∧ 3+X₀ ≤ 0 for location eval_foo_bb1_in_v1

Found invariant 1 ≤ X₁ ∧ 0 ≤ X₀+X₁ ∧ 2+X₀ ≤ X₁ ∧ 0 ≤ 1+X₀ for location eval_foo_bb1_in_v2

Found invariant 1 ≤ X₁ ∧ 2+X₀ ≤ X₁ ∧ 1+X₀ ≤ 0 for location eval_foo_bb2_in_v2

Found invariant X₁ ≤ X₀ ∧ 1 ≤ X₁ ∧ 2 ≤ X₀+X₁ ∧ X₀ ≤ X₁ ∧ 1 ≤ X₀ for location eval_foo_bb1_in

Found invariant 1 ≤ X₁ ∧ 2 ≤ X₀+X₁ ∧ X₀ ≤ X₁ ∧ 1 ≤ X₀ for location eval_foo_bb2_in_v1

All Bounds

Timebounds

Overall timebound:inf {Infinity}
t₀: 1 {O(1)}
t₁: 1 {O(1)}
t₂: 1 {O(1)}
t₃: inf {Infinity}
t₄: X₁ {O(n)}
t₅: 1 {O(1)}
t₆: inf {Infinity}
t₇: 1 {O(1)}

Costbounds

Overall costbound: inf {Infinity}
t₀: 1 {O(1)}
t₁: 1 {O(1)}
t₂: 1 {O(1)}
t₃: inf {Infinity}
t₄: X₁ {O(n)}
t₅: 1 {O(1)}
t₆: inf {Infinity}
t₇: 1 {O(1)}

Sizebounds

t₀, X₀: X₀ {O(n)}
t₀, X₁: X₁ {O(n)}
t₁, X₀: X₁ {O(n)}
t₁, X₁: X₁ {O(n)}
t₂, X₀: X₀ {O(n)}
t₂, X₁: X₁ {O(n)}
t₃, X₁: X₁ {O(n)}
t₄, X₁: X₁ {O(n)}
t₅, X₀: 0 {O(1)}
t₅, X₁: X₁ {O(n)}
t₆, X₁: X₁ {O(n)}
t₇, X₀: X₀ {O(n)}
t₇, X₁: 2⋅X₁ {O(n)}