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log for smtrat

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-11-18 17:08:44 -10:00
parent 64ea6fa2c3
commit 955d441332
2 changed files with 40 additions and 8 deletions
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1
src/nlsat/nlsat_params.pyg
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@ -9,6 +9,7 @@ def_module_params('nlsat',
('lazy', UINT, 0, "how lazy the solver is."),
('reorder', BOOL, True, "reorder variables."),
('log_lemmas', BOOL, False, "display lemmas as self-contained SMT formulas"),
('log_lemma_smtrat', BOOL, True, "use indexed SMT-LIB root expressions when logging lemmas"),
('dump_mathematica', BOOL, False, "display lemmas as matematica"),
('check_lemmas', BOOL, False, "check lemmas on the fly using an independent nlsat solver"),
('simplify_conflicts', BOOL, True, "simplify conflicts using equalities before resolving them in nlsat solver."),

47
src/nlsat/nlsat_solver.cpp
View file

@ -219,6 +219,7 @@ namespace nlsat {
unsigned m_random_seed;
bool m_inline_vars;
bool m_log_lemmas;
bool m_log_lemma_smtrat;
bool m_dump_mathematica;
bool m_check_lemmas;
unsigned m_max_conflicts;
@ -297,6 +298,7 @@ namespace nlsat {
m_random_seed = p.seed();
m_inline_vars = p.inline_vars();
m_log_lemmas = p.log_lemmas();
m_log_lemma_smtrat = p.log_lemma_smtrat();
m_dump_mathematica= p.dump_mathematica();
m_check_lemmas = p.check_lemmas();
m_variable_ordering_strategy = p.variable_ordering_strategy();
@ -3642,6 +3644,33 @@ namespace nlsat {
}
std::ostream& display_root_term_smtrat(std::ostream& out, root_atom const& a, display_var_proc const& proc) const {
out << "(root ";
display_polynomial_smt2(out, a.p(), proc);
out << " " << a.i() << " ";
proc(out, a.x());
out << ")";
return out;
}
std::ostream& display_root_atom_smtrat(std::ostream& out, root_atom const& a, display_var_proc const& proc) const {
char const* rel = "=";
switch (a.get_kind()) {
case atom::ROOT_LT: rel = "<"; break;
case atom::ROOT_GT: rel = ">"; break;
case atom::ROOT_LE: rel = "<="; break;
case atom::ROOT_GE: rel = ">="; break;
case atom::ROOT_EQ: rel = "="; break;
default: UNREACHABLE(); break;
}
out << "(" << rel << " ";
proc(out, a.x());
out << " ";
display_root_term_smtrat(out, a, proc);
out << ")";
return out;
}
struct root_poly_subst : public display_var_proc {
display_var_proc const& m_proc;
var m_var;
@ -3715,6 +3744,8 @@ namespace nlsat {
}
std::ostream& display_root_smt2(std::ostream& out, root_atom const& a, display_var_proc const& proc) const {
if (m_log_lemma_smtrat)
return display_root_atom_smtrat(out, a, proc);
auto inline_printer = [&](std::ostream& dst, char const* y) -> std::ostream& {
root_poly_subst poly_proc(proc, a.x(), y);
return display_polynomial_smt2(dst, a.p(), poly_proc);
@ -3730,11 +3761,7 @@ namespace nlsat {
out << "(assert ";
if (lit.sign())
out << "(not ";
auto inline_printer = [&](std::ostream& dst, char const* y) -> std::ostream& {
root_poly_subst poly_proc(proc, a.x(), y);
return display_polynomial_smt2(dst, a.p(), poly_proc);
};
display_root_quantified(out, a, proc, inline_printer);
display_root_smt2(out, a, proc);
if (lit.sign())
out << ")";
out << ")\n";
@ -4160,12 +4187,16 @@ namespace nlsat {
unsigned sz = m_is_int.size();
for (unsigned i = 0; i < sz; i++) {
if (!used_vars[i]) continue;
if (is_int(i)) {
out << "(declare-fun "; m_display_var(out, i) << " () Int)\n";
out << "(declare-fun ";
m_display_var(out, i);
out << " () ";
if (!m_log_lemma_smtrat && is_int(i)) {
out << "Int";
}
else {
out << "(declare-fun "; m_display_var(out, i) << " () Real)\n";
out << "Real";
}
out << ")\n";
}
return out;
}