mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-11 01:35:47 +00:00
Code Activity

add accessors for implied values to API

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-07-28 19:46:39 -07:00
parent 4628cb8e79
commit 59d8895d15
23 changed files with 347 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/smt/smt_context.cpp
View file

@ -39,6 +39,7 @@ Revision History:
#include "smt/smt_model_checker.h"
#include "smt/smt_model_finder.h"
#include "smt/smt_parallel.h"
#include "smt/smt_arith_value.h"
namespace smt {
@ -4555,6 +4556,48 @@ namespace smt {
TRACE("model", tout << *m_model << "\n";);
}
expr_ref context::get_implied_value(expr* e) {
pop_to_search_lvl();
if (m.is_bool(e)) {
if (b_internalized(e)) {
bool_var v = get_bool_var(e);
switch (get_assignment(get_bool_var(e))) {
case l_true: e = m.mk_true(); break;
case l_false: e = m.mk_false(); break;
default: break;
}
}
return expr_ref(e, m);
}
if (e_internalized(e)) {
enode* n = get_enode(e);
for (enode* r : *n) {
if (m.is_value(r->get_owner())) {
return expr_ref(r->get_owner(), m);
}
}
}
arith_value av(m);
av.init(this);
return av.get_fixed(e);
}
expr_ref context::get_implied_lower_bound(expr* e) {
pop_to_search_lvl();
arith_value av(m);
av.init(this);
return av.get_lo(e);
}
expr_ref context::get_implied_upper_bound(expr* e) {
pop_to_search_lvl();
arith_value av(m);
av.init(this);
return av.get_up(e);
}
};