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rewrite SVA sequences #1166

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Merged
merged 1 commit into from
Jun 30, 2025
Merged

rewrite SVA sequences #1166

merged 1 commit into from
Jun 30, 2025

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kroening
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@kroening kroening commented Jun 20, 2025

This adds a facility to rewrite SVA sequences using SVA or such that they do not admit empty matches.

@kroening kroening changed the title SVA: introduce admits_empty rewrite SVA sequences Jun 22, 2025
@kroening kroening force-pushed the admits_empty branch 16 times, most recently from 2663c95 to fef1a66 Compare June 28, 2025 11:15
@kroening kroening marked this pull request as ready for review June 28, 2025 11:16
@tautschnig
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Needs a rebase to resolve conflicts.

This adds a facility to rewrite SVA sequences using SVA or such that they do
not admit empty matches.

This can be used to remove the burden of handling the four cases of possible
empty matches in the ##[...] operator from engines that reason about SVA
sequences.
@tautschnig tautschnig merged commit 6e6127d into main Jun 30, 2025
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@tautschnig tautschnig deleted the admits_empty branch June 30, 2025 19:14
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2 participants