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sls: fix bug where unsat remains empty after a literal is flipped. The new satisfiable subset should be checked

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refined interface between solvers to expose fixed variables for tabu objectives
This commit is contained in:
Nikolaj Bjorner 2024-12-01 18:35:56 -08:00
parent 24c3cd38d1
commit e6feb8423a
8 changed files with 118 additions and 30 deletions
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1
src/ast/sls/sls_arith_base.h
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@ -280,6 +280,7 @@ namespace sls {
void register_term(expr* e) override;
bool set_value(expr* e, expr* v) override;
expr_ref get_value(expr* e) override;
bool is_fixed(expr* e, expr_ref& value) override;
void initialize() override;
void propagate_literal(sat::literal lit) override;
bool propagate() override;