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adding band

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-11 14:51:21 -08:00
parent 45b0be3b37
commit bbec72f0b3
9 changed files with 55 additions and 45 deletions
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19
src/sat/smt/intblast_solver.cpp
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@ -23,7 +23,10 @@ Author:
namespace intblast {
solver::solver(euf::solver& ctx) :
<<<<<<< HEAD
th_euf_solver(ctx, symbol("intblast"), ctx.get_manager().get_family_id("bv")),
=======
>>>>>>> 17c480f83 (adding band)
ctx(ctx),
s(ctx.s()),
m(ctx.get_manager()),
@ -34,6 +37,7 @@ namespace intblast {
m_pinned(m)
{}
<<<<<<< HEAD
euf::theory_var solver::mk_var(euf::enode* n) {
auto r = euf::th_euf_solver::mk_var(n);
ctx.attach_th_var(n, this, r);
@ -184,6 +188,9 @@ namespace intblast {
}
lbool solver::check_solver_state() {
=======
lbool solver::check() {
>>>>>>> 17c480f83 (adding band)
sat::literal_vector literals;
uint_set selected;
for (auto const& clause : s.clauses()) {
@ -231,7 +238,7 @@ namespace intblast {
if (s.value(b) == l_true && s.value(a) == l_true && s.lvl(b) < s.lvl(a))
std::swap(a, b);
selected.insert(a.index());
literals.push_back(a);
literals.push_back(a);
}
m_core.reset();
@ -253,9 +260,9 @@ namespace intblast {
}
IF_VERBOSE(10, verbose_stream() << "check\n";
m_solver->display(verbose_stream());
verbose_stream() << es << "\n");
m_solver->display(verbose_stream());
verbose_stream() << es << "\n");
lbool r = m_solver->check_sat(es);
IF_VERBOSE(2, verbose_stream() << "(sat.intblast :result " << r << ")\n");
@ -271,14 +278,14 @@ namespace intblast {
if (idx < literals.size())
m_core.push_back(literals[idx]);
else
m_core.push_back(ctx.mk_literal(e));
m_core.push_back(ctx.mk_literal(e));
}
}
return r;
};
bool solver::is_bv(sat::literal lit) {
bool solver::is_bv(sat::literal lit) {
expr* e = ctx.bool_var2expr(lit.var());
if (!e)
return false;