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delay internalize (#4714)

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* adding array solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* use default in model construction

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* debug delay internalization

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* bv

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* arrays

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* get rid of implied values and bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* redo egraph

* remove out

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove files

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-28 19:24:16 -07:00 • committed by GitHub
parent 25724401cf
commit 367e5fdd52
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GPG key ID: 4AEE18F83AFDEB23
60 changed files with 1343 additions and 924 deletions
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24
src/sat/smt/euf_relevancy.cpp
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@ -28,9 +28,8 @@ namespace euf {
}
void solver::add_root(unsigned n, sat::literal const* lits) {
bool_var v = s().add_var(false);
ensure_dual_solver();
m_dual_solver->add_root(sat::literal(v, false), n, lits);
m_dual_solver->add_root(n, lits);
}
void solver::add_aux(unsigned n, sat::literal const* lits) {
@ -70,9 +69,26 @@ namespace euf {
m_relevant_expr_ids.setx(e->get_id(), true, false);
if (!is_app(e))
continue;
expr* c = nullptr, *th = nullptr, *el = nullptr;
if (m.is_ite(e, c, th, el)) {
sat::literal lit = expr2literal(c);
todo.push_back(c);
switch (s().value(lit)) {
case l_true:
todo.push_back(th);
break;
case l_false:
todo.push_back(el);
break;
default:
todo.push_back(th);
todo.push_back(el);
break;
}
continue;
}
for (expr* arg : *to_app(e))
if (!visited.get(arg->get_id(), false))
todo.push_back(arg);
todo.push_back(arg);
}
TRACE("euf",