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integrate intblast solver

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This commit is contained in:
Nikolaj Bjorner 2023-12-10 13:00:43 -08:00
parent 81411a5fcb
commit d72938ba9a
4 changed files with 56 additions and 6 deletions
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30
src/sat/smt/polysat_solver.cpp
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@ -31,6 +31,8 @@ The result of polysat::core::check is one of:
#include "sat/smt/polysat/polysat_umul_ovfl.h"
namespace polysat {
solver::solver(euf::solver& ctx, theory_id id):
@ -38,6 +40,7 @@ namespace polysat {
bv(ctx.get_manager()),
m_autil(ctx.get_manager()),
m_core(*this),
m_intblast(ctx),
m_lemma(ctx.get_manager())
{
ctx.get_egraph().add_plugin(alloc(euf::bv_plugin, ctx.get_egraph()));
@ -56,7 +59,31 @@ namespace polysat {
}
sat::check_result solver::check() {
return m_core.check();
switch (m_core.check()) {
case sat::check_result::CR_DONE:
return sat::check_result::CR_DONE;
case sat::check_result::CR_CONTINUE:
return sat::check_result::CR_CONTINUE;
case sat::check_result::CR_GIVEUP: {
if (!m.inc())
return sat::check_result::CR_GIVEUP;
switch (m_intblast.check()) {
case l_true:
trail().push(value_trail(m_use_intblast_model));
m_use_intblast_model = true;
return sat::check_result::CR_DONE;
case l_false: {
auto core = m_intblast.unsat_core();
for (auto& lit : core)
lit.neg();
s().add_clause(core.size(), core.data(), sat::status::th(true, get_id(), nullptr));
return sat::check_result::CR_CONTINUE;
}
case l_undef:
return sat::check_result::CR_GIVEUP;
}
}
}
}
void solver::asserted(literal l) {
@ -136,6 +163,7 @@ namespace polysat {
unsigned num_scopes = s().scope_lvl() - m_lemma_level;
NOT_IMPLEMENTED_YET();
// s().pop_reinit(num_scopes);
sat::literal_vector lits;