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delay internalization, relevancy (#4707)

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* delay evaluation

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

* Update bv_solver.cpp

* delay internalize

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

* compiler warnings

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

* remove gc

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

* add bv delay option

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-23 17:12:01 -07:00 • committed by GitHub
parent 1e7998f03a
commit 7c2bdfe3fb
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21 changed files with 584 additions and 122 deletions
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11
src/sat/smt/bv_solver.cpp
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@ -378,7 +378,7 @@ namespace bv {
break;
}
ctx.get_drat().add(lits, status());
ctx.get_drat().log_gc_var(leq.var()); // TBD, a proper way would be to delete the lemma after use.
// TBD, a proper way would be to delete the lemma after use.
}
void solver::asserted(literal l) {
@ -493,7 +493,14 @@ namespace bv {
sat::check_result solver::check() {
force_push();
SASSERT(m_prop_queue.size() == m_prop_queue_head);
return sat::check_result::CR_DONE;
bool ok = true;
for (auto kv : m_delay_internalize) {
if (ctx.is_relevant(kv.m_key) &&
kv.m_value == internalize_mode::init_bits_i &&
!check_delay_internalized(expr2enode(kv.m_key)))
ok = false;
}
return ok ? sat::check_result::CR_DONE : sat::check_result::CR_CONTINUE;
}
void solver::push_core() {