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Substitutions are extensions

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This commit is contained in:
CEisenhofer 2026-04-08 19:13:10 +02:00
parent 513f49f39c
commit 857e93fdb2
2 changed files with 42 additions and 30 deletions
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7
src/smt/seq/seq_nielsen.h
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@ -688,10 +688,9 @@ namespace seq {
// Helper: handle one empty vs one non-empty side of a string equality.
// Collects tokens from non_empty_side; if any token causes a conflict
// (is a concrete character or an unexpected kind), sets conflict flags
// and returns true. Otherwise substitutes all variables to empty,
// sets changed=true, and returns false.
bool handle_empty_side(euf::sgraph& sg, euf::snode* non_empty_side,
dep_tracker const& dep, bool& changed);
// and returns true. Otherwise returns false.
bool check_empty_side_conflict(euf::sgraph& sg, euf::snode* non_empty_side,
dep_tracker const& dep);
// Length bounds are queried from the arithmetic subsolver when needed.
};