mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-26 17:29:21 +00:00
Code Activity

add parameter to suppress/enable levelwise

Browse source 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-10-03 12:54:53 -07:00
parent 32de7c61fc
commit fb97043cb2
5 changed files with 32 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

44
src/nlsat/nlsat_explain.cpp
View file

@ -1229,28 +1229,29 @@ namespace nlsat {
var x = m_todo.extract_max_polys(ps);
if (!levelwise_single_cell(ps, max_x)) { // on levelwise_single_cell failure continue with cdcac
polynomial_ref_vector samples(m_pm);
if (m_solver.apply_levelwise() && levelwise_single_cell(ps, max_x))
return;
polynomial_ref_vector samples(m_pm);
if (x < max_x)
cac_add_cell_lits(ps, x);
if (x < max_x)
cac_add_cell_lits(ps, x);
while (true) {
if (all_univ(ps, x) && m_todo.empty()) {
m_todo.reset();
break;
}
TRACE(nlsat_explain, tout << "project loop, processing var "; display_var(tout, m_solver, x); tout << "\npolynomials\n";
display(tout, m_solver, ps); tout << "\n";);
add_lcs(ps, x);
psc_discriminant(ps, x);
psc_resultant(ps, x);
if (m_todo.empty())
break;
x = m_todo.extract_max_polys(ps);
cac_add_cell_lits(ps, x);
while (true) {
if (all_univ(ps, x) && m_todo.empty()) {
m_todo.reset();
break;
}
TRACE(nlsat_explain, tout << "project loop, processing var "; display_var(tout, m_solver, x); tout << "\npolynomials\n";
display(tout, m_solver, ps); tout << "\n";);
add_lcs(ps, x);
psc_discriminant(ps, x);
psc_resultant(ps, x);
if (m_todo.empty())
break;
x = m_todo.extract_max_polys(ps);
cac_add_cell_lits(ps, x);
}
}
@ -1731,9 +1732,10 @@ namespace nlsat {
SASSERT(check_already_added());
SASSERT(num > 0);
TRACE(nlsat_explain,
tout << "[explain] set of literals is infeasible in the current interpretation\n";
tout << "the infeasible clause:\n";
display(tout, m_solver, num, ls) << "\n";
m_solver.display_assignment(tout);
m_solver.display_assignment(tout << "assignment:\n");
);
m_result = &result;
process(num, ls);