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fix #4404

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-03 17:01:36 -07:00
parent f986ae97bd
commit af90992858
4 changed files with 5 additions and 29 deletions
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14
src/muz/base/dl_context.cpp
View file

@ -21,15 +21,15 @@ Revision History:
#include<limits>
#include "ast/arith_decl_plugin.h"
#include "ast/bv_decl_plugin.h"
#include "muz/base/dl_context.h"
#include "ast/for_each_expr.h"
#include "ast/ast_smt_pp.h"
#include "ast/ast_smt2_pp.h"
#include "ast/datatype_decl_plugin.h"
#include "ast/scoped_proof.h"
#include "muz/base/fp_params.hpp"
#include "ast/ast_pp_util.h"
#include "ast/ast_util.h"
#include "muz/base/dl_context.h"
#include "muz/base/fp_params.hpp"
namespace datalog {
@ -742,13 +742,7 @@ namespace datalog {
}
expr_ref context::get_background_assertion() {
expr_ref result(m);
switch (m_background.size()) {
case 0: result = m.mk_true(); break;
case 1: result = m_background[0].get(); break;
default: result = m.mk_and(m_background.size(), m_background.c_ptr()); break;
}
return result;
return mk_and(m_background);
}
void context::assert_expr(expr* e) {

1
src/muz/transforms/dl_mk_subsumption_checker.cpp
View file

@ -350,7 +350,6 @@ namespace datalog {
return nullptr;
}
//During the construction of the new set we may discover new total relations
//(by quantifier elimination on the uninterpreted tails).
SASSERT(m_new_total_relation_discovery_during_transformation || !m_have_new_total_rule);