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remove expr_ref from dependencies, only use literals that are true.

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-05-17 13:28:12 -07:00
parent b75acc5c14
commit 9d4feed0ae
10 changed files with 141 additions and 101 deletions
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16
src/smt/theory_nseq.cpp
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@ -875,7 +875,7 @@ namespace smt {
else if (std::holds_alternative<sat::literal>(d))
lits.push_back(std::get<sat::literal>(d));
else
lits.push_back(mk_literal(std::get<expr_ref>(d)));
UNREACHABLE();
}
++m_num_conflicts;
set_conflict(eqs, lits);
@ -929,8 +929,7 @@ namespace smt {
else if (std::holds_alternative<sat::literal>(d))
kernel.assert_expr(ctx.literal2expr(std::get<sat::literal>(d)));
else {
auto const& e = std::get<expr_ref>(d);
kernel.assert_expr(e);
UNREACHABLE();
}
}
auto res = kernel.check();
@ -1348,10 +1347,7 @@ namespace smt {
// conditional constraints: propagate with justification from dep_tracker
enode_pair_vector eqs;
literal_vector lits;
vector<expr_ref> es;
seq::deps_to_lits(lc.m_dep, eqs, lits, es);
for (auto const& e : es)
lits.push_back(mk_literal(e));
seq::deps_to_lits(lc.m_dep, eqs, lits);
set_propagate(eqs, lits, lit);
@ -1743,12 +1739,10 @@ namespace smt {
enode_pair_vector eqs;
literal_vector dep_lits;
vector<expr_ref> dep_exprs;
for (unsigned idx : mem_indices)
seq::deps_to_lits(mems[idx].m_dep, eqs, dep_lits, dep_exprs);
seq::deps_to_lits(mems[idx].m_dep, eqs, dep_lits);
for (auto const &e : dep_exprs)
dep_lits.push_back(mk_literal(e));
set_propagate(eqs, dep_lits, lit_prop);