实时的合成很难!
Real-Time Synthesis is Hard!
摘要:
研究度量区间时态逻辑(MITL)中给定规范的反应式综合问题(RS)。已知RS在非常一般的情况下是不可判定的,但仅在无限词上;并且只有非常严格的BRRS子情况是可判定的(参见D 'Souza et al.和Bouyer et al.)。本文对MITL综合的可判定性边界进行了精确化。我们表明RS是不可判定的有限的话太,并提出了一个景观的限制(无论是在逻辑上和可能的控制器),仍然是不可判定的。从积极的方面来看,我们重新审视了BRRS,并引入了一个高效的动态算法来解决它。
英文摘要:
We study the reactive synthesis problem (RS) for specifications given in Metric Interval Temporal Logic (MITL). RS is known to be undecidable in a very general setting, but on infinite words only; and only the very restrictive BRRS subcase is known to be decidable (see D'Souza et al. and Bouyer et al.). In this paper, we precise the decidability border of MITL synthesis. We show RS is undecidable on finite words too, and present a landscape of restrictions (both on the logic and on the possible controllers) that are still undecidable. On the positive side, we revisit BRRS and introduce an efficient on-the-fly algorithm to solve it.
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