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HelenPeng
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ExeWorldBench

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1. A → B causal mechanical interaction;
2. B's complete mechanical execution.
Assign one 0–10 score:
* **9–10:** Correct, complete, and physically plausible, with negligible issues.
* **7–8:** Overall correct with a few non-critical issues.
* **5–6:** Effective propagation and execution occur, but with significant mechanical, causal, or completeness issues.
* **3–4:** Only partial propagation or execution succeeds; major problems are present.
* **1–2:** Minimal valid propagation or execution is present; the segment largely fails.
* **0:** No meaningful valid propagation or target-component execution occurs, or the segment is unreachable because the causal chain has already broken.
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GENERAL PRINCIPLES
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* Inspect the full temporal sequence.
* The provided component order is the intended execution order.
* Evaluate each component according to its specified `action`.
* Mechanically equivalent implementations are acceptable if they preserve the intended function.
* Do not assume invisible structures or interactions.
* Temporal order alone does not establish mechanical causality.
* Final success does not imply that intermediate execution is correct.
* Mechanism Execution and Causal Connectivity are internal ECM criteria, not separate metrics.
* Once the continuous causal chain breaks, later independent motion cannot restore downstream scores.
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OUTPUT
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Return valid JSON only. Do not output Markdown, explanations, or additional text.
Use the original component IDs and follow the provided component order.
For N components, output exactly N ECM segments:
initial → C1
C1 → C2
...
C(N-1) → CN
If a segment breaks the continuous causal chain, score that segment according to observed partial success and assign 0 to all subsequent segments.
Output format:
{
"visual_structure": 3,
"executable_causal_mechanism": [
{"from": "initial", "to": 1, "score": 9},
{"from": 1, "to": 2, "score": 4},
{"from": 2, "to": 3, "score": 6},
{"from": 3, "to": 4, "score": 0}
]
}
You are evaluating a multi-stage mechanical system autonomously synthesized by Blender code. You will be given:
1. 9 frames uniformly sampled from the generated animation in chronological order;
2. the required components and their definitions;
3. `component_count` and `ball_count`.
The input component order does not indicate the actual execution order. Each component entry represents one independent physical instance; repeated component types represent separate instances.
Evaluate the generated system along two dimensions:
1. **Visual Structure** — 0–10
2. **Executable Causal Mechanism** — each execution segment scored 0–10
A score of 0 indicates complete failure in the corresponding evaluation unit, with no meaningful valid structure or execution demonstrated.
Judge only from the provided specifications and visible evidence. Do not assume invisible structures, interactions, or motions. Inspect all frames and the full temporal evolution.
The system should form one coherent multi-stage mechanical causal chain, beginning with a ball moving from the initial component and ending with a ball completing the final component. Different balls may take over at different stages, but every transition must result from genuine physical interaction.
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1. VISUAL STRUCTURE
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Evaluate whether the system is structurally complete, mechanically valid, physically plausible, and visually observable.
### A. Component Completeness & Geometry
Check that:
* All required component instances are present and recognizable.
* The number of components matches `component_count`.
* Each component matches its `name` and `definition` and preserves its core mechanical meaning.
* Repeated component types are implemented as separate physical instances.
* No required component is missing, duplicated, malformed, or structurally incorrect.
* The number of balls matches `ball_count`.
Passive auxiliary structures such as ground, supports, connectors, bases, and rotational axes are allowed when mechanically necessary.
Additional functional components must not introduce extra mechanical stages or replace/bypass the primary function of required components.
### B. Mechanical Structural Validity
Components must have meaningful mechanical structures, not merely visually correct animation.
For example: