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preparing intblaster as self-contained solver.

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add activate and propagate to constraints
support axiomatized operators band, lsh, rshl, rsha
This commit is contained in:
Nikolaj Bjorner 2023-12-12 11:11:37 -08:00
parent f388f58a4b
commit 2292a26a25
15 changed files with 368 additions and 326 deletions
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34
src/sat/smt/intblast_solver.h
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@ -8,7 +8,8 @@ Module Name:
Abstract:
Int-blast solver.
It assumes a full assignemnt to literals in
check_solver_state assumes a full assignment to literals in
irredundant clauses.
It picks a satisfying Boolean assignment and
checks if it is feasible for bit-vectors using
@ -45,6 +46,14 @@ namespace euf {
namespace intblast {
class solver : public euf::th_euf_solver {
<<<<<<< HEAD
=======
struct var_info {
expr* dst;
rational sz;
};
>>>>>>> 4cadf6d9f (preparing intblaster as self-contained solver.)
euf::solver& ctx;
sat::solver& s;
ast_manager& m;
@ -94,6 +103,27 @@ namespace intblast {
void add_value_plugin(euf::enode* n, model& mdl, expr_ref_vector& values);
void add_value_solver(euf::enode* n, model& mdl, expr_ref_vector& values);
expr* translated(expr* e) { expr* r = m_translate.get(e->get_id(), nullptr); SASSERT(r); return r; }
void set_translated(expr* e, expr* r) { m_translate.setx(e->get_id(), r); }
expr* arg(unsigned i) { return m_args.get(i); }
expr* mk_mod(expr* x);
expr* mk_smod(expr* x);
expr* bv_expr = nullptr;
rational bv_size();
void translate_expr(expr* e);
void translate_bv(app* e);
void translate_basic(app* e);
void translate_app(app* e);
void translate_quantifier(quantifier* q);
void translate_var(var* v);
void ensure_args(app* e);
void internalize_bv(app* e);
euf::theory_var mk_var(euf::enode* n) override;
public:
solver(euf::solver& ctx);
@ -137,7 +167,7 @@ namespace intblast {
sat::literal_vector const& unsat_core();
void add_value(euf::enode* n, model& mdl, expr_ref_vector& values);
void add_value(euf::enode* n, model& mdl, expr_ref_vector& values) override;
};