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Predicates as a combinator, the final stretch
- #391
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Predicates as a combinator, the final stretch
#391
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Commits on Jul 7, 2026
JSILSMemory is now monadic
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remove legacy_s_memory
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expose more things
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wisl is now immutable
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remove all notions of mutable memory model
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MonadicSMemory.S is now the entry point
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setup abstractions in verification so transfer of responsibility can start
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Commits on Jul 10, 2026
phase 8 prep: abstraction err variant, split_further/sure_is_nonempty fixes, of_resolver, single verifier stack
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phase 8.1: extract the matching machinery into a higher-order walker
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phase 8.2: memory-level predicate/wand reasoning in the Abstraction combinator
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phase 8.3 (WIP): wire the preds-in-memory seams behind Config.preds_in_memory
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phase 8.3: full test-suite parity with predicates in the memory
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preds-in-memory: exclusion-set recovery, pc memo, outs hints
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preds-in-memory: let sub-action failures reach the interpreter loop
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preds-in-memory: flip Config.preds_in_memory default to true
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preds-in-memory: delete the legacy engine-side predicate machinery
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collapse the Pred_state wrapper: matching and PState run on bare states
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delete PState: SState absorbs SL commands, spec application, and matching
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make the state predicate-unaware: pred-action eval/spec-vars/simplify move to the interpreter
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Commits on Sep 10, 2026
Add missing reduction
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Commits on Sep 13, 2026
Misses can contain typing information
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BlockTree: producing a zero-length array is a no-op
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PMap: don't reverse-type a literal domainset
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add `Delayed.matching`
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