mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-14 14:55:25 +00:00
Code Activity

fix #2771

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-02 15:41:56 -08:00
parent 37a4dd68d0
commit 28cb13fb96
3 changed files with 14 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/smt/theory_utvpi_def.h
View file

@ -62,7 +62,8 @@ namespace smt {
theory(m.mk_family_id("arith")),
a(m),
m_arith_eq_adapter(*this, m_params, a),
m_zero(null_theory_var),
m_izero(null_theory_var),
m_rzero(null_theory_var),
m_nc_functor(*this),
m_asserted_qhead(0),
m_agility(0.5),
@ -133,7 +134,8 @@ namespace smt {
template<typename Ext>
void theory_utvpi<Ext>::reset_eh() {
m_graph .reset();
m_zero = null_theory_var;
m_izero = null_theory_var;
m_rzero = null_theory_var;
m_atoms .reset();
m_asserted_atoms .reset();
m_stats .reset();
@ -259,13 +261,13 @@ namespace smt {
template<typename Ext>
void theory_utvpi<Ext>::init(context* ctx) {
theory::init(ctx);
m_zero = null_theory_var;
}
template<typename Ext>
void theory_utvpi<Ext>::init_zero() {
if (m_zero == null_theory_var) {
m_zero = mk_var(get_context().mk_enode(a.mk_numeral(rational(0), true), false, false, true));
if (m_izero == null_theory_var) {
m_izero = mk_var(get_context().mk_enode(a.mk_numeral(rational(0), true), false, false, true));
m_rzero = mk_var(get_context().mk_enode(a.mk_numeral(rational(0), false), false, false, true));
}
}
@ -783,7 +785,8 @@ namespace smt {
m.register_factory(m_factory);
enforce_parity();
init_zero();
m_graph.set_to_zero(to_var(m_zero), neg(to_var(m_zero)));
m_graph.set_to_zero(to_var(m_izero), neg(to_var(m_izero)));
m_graph.set_to_zero(to_var(m_rzero), neg(to_var(m_rzero)));
compute_delta();
DEBUG_CODE(model_validate(););
}