MDG-BASED STATE ENUMERATION BY RETIMING AND CIRCUIT TRANSFORMATION
Why this work is in the frame
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Bibliographic record
Abstract
Multiway Decision Graphs (MDGs) have recently been proposed as an efficient representation for RTL designs. In this paper, we illustrate the MDG-based formal verification technique on the example of the Island Tunnel Controller. We investigate several techniques on how to deal with the nontermination problem of abstract state exploration, including a novel method based on retiming and circuit transformation. We provide comparative experimental results for the verification of a number of properties for the example using two well-known ROBDD-based verification tools, namely, SMV (Symbolic Model Verifier) and VIS (Verification Interacting with Synthesis), and we show the strength of the MDG approach to handling arbitrary data widths.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it