Partial Correctness, Ranking Obligations, and All-Path Termination

This batch has passed Schema, deduplication, source-snapshot, and independent-answer recomputation checks; it is still not marked as human-reviewed.

This question bank has corresponding bilingual step-by-step derivations. Source candidate and English ai_candidate states are retained. AI review, finite computation and Lean formal proof are labelled separately.

batch-20261013-advance-20261019-r05-algorithm-correctness-foundations · 2026-10-13 · 100 questions

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

1. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

2. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

3. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

4. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

5. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

6. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

7. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

8. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

9. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

10. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

11. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

12. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

13. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

14. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

15. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

16. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

17. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

18. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

19. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

20. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

21. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

22. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

23. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

24. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 5], Yes, [[0, 3]], No, No, No)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 5], Yes, [[0, 3]], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

25. Inductiveness versus Merely Covering Reachable States

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Proposed invariant=[0, 1, 2, 3, 4, 5]. Give (invariant, contains Init?, every Step edge from an invariant nonhalt to outside the invariant, step-preserved?, inductive?, covers all reachable states?). Inspect all invariant states for preservation, including unreachable ones.

View answer and explanation

([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes)

Initial validity and one-step preservation establish inductiveness; reachable-state coverage alone is a different, weaker observation. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([0, 1, 2, 3, 4, 5], Yes, [], Yes, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-invariant-audit · candidate

26. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

27. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

28. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

29. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

30. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

31. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

32. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

33. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

34. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

35. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

36. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

37. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

38. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

39. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

40. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

41. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

42. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

43. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

44. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

45. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

46. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

47. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

48. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

49. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [5], [], Yes, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

50. Partial Correctness and Its Vacuous Case

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad reachable halts, partial correctness?, no reachable halt?).

View answer and explanation

([5], [], [5], No, No)

Partial correctness checks only reached halts; it may hold vacuously while no run terminates successfully. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-partial-audit · candidate

51. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[6, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([6, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([6, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

52. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[7, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([7, 5, 4, 3, 2, 0], [], Yes, [3], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([7, 5, 4, 3, 2, 0], [], Yes, [3], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

53. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[8, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([8, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([8, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

54. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[9, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([9, 5, 4, 3, 2, 0], [], Yes, [4], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([9, 5, 4, 3, 2, 0], [], Yes, [4], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

55. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[10, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([10, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([10, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

56. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[11, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([11, 5, 4, 3, 2, 0], [], Yes, [3], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([11, 5, 4, 3, 2, 0], [], Yes, [3], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

57. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[12, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([12, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([12, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

58. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[13, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([13, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([13, 5, 4, 3, 2, 0], [], Yes, [], Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

59. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[14, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([14, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([14, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

60. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[15, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([15, 5, 4, 3, 2, 0], [[2, 1]], No, [3], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([15, 5, 4, 3, 2, 0], [[2, 1]], No, [3], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

61. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[16, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([16, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([16, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

62. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[17, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([17, 5, 4, 3, 2, 0], [[2, 1]], No, [4], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([17, 5, 4, 3, 2, 0], [[2, 1]], No, [4], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

63. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[18, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([18, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([18, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

64. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[19, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([19, 5, 4, 3, 2, 0], [[2, 1]], No, [3], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([19, 5, 4, 3, 2, 0], [[2, 1]], No, [3], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

65. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[20, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([20, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([20, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

66. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[21, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([21, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([21, 5, 4, 3, 2, 0], [[2, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

67. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[22, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([22, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([22, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

68. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[23, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([23, 5, 4, 3, 2, 0], [[1, 1]], No, [3], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([23, 5, 4, 3, 2, 0], [[1, 1]], No, [3], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

69. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[24, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([24, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([24, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

70. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[25, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([25, 5, 4, 3, 2, 0], [[1, 1]], No, [4], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([25, 5, 4, 3, 2, 0], [[1, 1]], No, [4], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

71. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[26, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([26, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([26, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

72. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[27, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([27, 5, 4, 3, 2, 0], [[1, 1]], No, [3], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([27, 5, 4, 3, 2, 0], [[1, 1]], No, [3], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

73. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[28, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([28, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([28, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

74. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[29, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([29, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([29, 5, 4, 3, 2, 0], [[1, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

75. Ranking Decrease, Stuck States, and Actual Termination

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Natural ranking vector=[30, 5, 4, 3, 2, 0]. Give (rank vector, reachable nonhalt Step edges failing strict decrease, ranking valid?, reachable stuck states, ranking valid and no stuck states?, actual all-path termination?).

View answer and explanation

([30, 5, 4, 3, 2, 0], [[1, 1], [2, 1]], No, [], No, No)

Check ranking decrease on every reachable nonhalt transition; vacuous edge decrease alone does not eliminate a stuck nonhalt. A failed ranking need not mean the model fails to terminate. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([30, 5, 4, 3, 2, 0], [[1, 1], [2, 1]], No, [], No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-ranking-audit · candidate

76. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], No, Yes, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], No, Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

77. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [3], No, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [3], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

78. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], No, Yes, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], No, Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

79. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [4], No, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [4], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

80. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], No, Yes, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], No, Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

81. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [3], No, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [3], No, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

82. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], No, Yes, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], No, Yes, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

83. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [], No, Yes, Yes)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [], No, Yes, Yes).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

84. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

85. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [3], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [3], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

86. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

87. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [4], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [4], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

88. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

89. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [3], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [3], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

90. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

91. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [2, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

92. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

93. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [3], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [3], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

94. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

95. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [4], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [4], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

96. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

97. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [3], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [3], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

98. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

99. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [0, 3], [3, 4], [4, 5], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[5]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [5], [], Yes, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [5], [], Yes, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

100. Partial Correctness, Termination, and Total Correctness

Use the complete finite, possibly nondeterministic transition model S=Fin(6)={0,…,5}, Init=[0], Halt=[5], Step=[[0, 1], [1, 2], [2, 5], [2, 1], [1, 1]]. Normalize sets and ordered transition pairs. Execution stops at a declared Halt state, ignoring all of its outgoing edges. A stuck nonhalting state is not a successful halt; finite prefixes prove no general termination. Postcondition set=[]. Give (reachable halts, postcondition, bad halts, partial correctness?, vacuous partial case?, stuck states, nonhalting cycle?, termination?, total correctness?).

View answer and explanation

([5], [], [5], No, No, [], Yes, No, No)

Total correctness requires both partial correctness and all-path termination; neither one successful trace nor vacuous partial correctness is enough. Finite/synthetic checks are not new general formal Evidence. The exact result, retaining the requested order, is ([5], [], [5], No, No, [], Yes, No, No).

Reviewed step-by-step derivation

Algorithm correctness · qf-ext19-correctness-total-separation · candidate

Canonical question JSONL · English JSONL · Validation report