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| Content Provider | ACM Digital Library |
|---|---|
| Author | Goldberg, Eugene |
| Abstract | We introduce a new framework for Equivalence Checking (EC) of Boolean circuits based on a general technique called Logic Relaxation (LoR). LoR is meant for checking if a propositional formula G has only "good" satisfying assignments specified by a design property. The essence of LoR is to relax G into a formula $G^{rlx}$ and compute a set S that contains all assignments that satisfy $G^{rlx}$ but do not satisfy G. If all bad satisfying assignments are in S, formula G can have only good ones and the design property in question holds. Set S is built by a procedure called partial quantifier elimination. The appeal of EC by LoR is twofold. First, it facilitates generation of powerful inductive proofs. Second, proving inequivalence comes down to checking the existence of some assignments satisfying $G^{rlx}$ i.e. a simpler version of the original formula. We give experimental evidence that supports our approach. |
| Starting Page | 49 |
| Ending Page | 56 |
| Page Count | 8 |
| File Format | |
| ISBN | 9780983567868 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2016-10-03 |
| Publisher Place | Austin |
| Access Restriction | Subscribed |
| Content Type | Text |
| Resource Type | Article |
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