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adding dt-solver (#4739)

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* adding dt-solver

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

* dt

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

* move mbp to self-contained module

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

* files

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

* Create CMakeLists.txt

* dt

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

* rename to bool_var2expr to indicate type class

* mbp

* na
This commit is contained in:
Nikolaj Bjorner 2020-10-18 15:28:21 -07:00 • committed by GitHub
parent b77c57451f
commit 2f756da294
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62 changed files with 2309 additions and 1257 deletions
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9
src/sat/smt/fpa_solver.cpp
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@ -42,8 +42,7 @@ namespace fpa {
}
expr_ref solver::convert(expr* e)
{
expr_ref solver::convert(expr* e) {
expr_ref res(m);
expr* ccnv;
TRACE("t_fpa", tout << "converting " << mk_ismt2_pp(e, m) << std::endl;);
@ -105,6 +104,8 @@ namespace fpa {
}
bool solver::visit(expr* e) {
if (visited(e))
return true;
if (!is_app(e) || to_app(e)->get_family_id() != get_id()) {
ctx.internalize(e, m_is_redundant);
return true;
@ -161,12 +162,12 @@ namespace fpa {
SASSERT(m_fpa_util.is_float(n->get_expr()) || m_fpa_util.is_rm(n->get_expr()));
SASSERT(n->get_decl()->get_range() == s);
expr* owner = n->get_expr();
if (is_attached_to_var(n))
return;
attach_new_th_var(n);
expr* owner = n->get_expr();
if (m_fpa_util.is_rm(s) && !m_fpa_util.is_bv2rm(owner)) {
// For every RM term, we need to make sure that it's
// associated bit-vector is within the valid range.