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fix case for 0 multiplier in monomial_bounds

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disabled in master - it violates invariants in the lra solver.
This commit is contained in:
Nikolaj Bjorner 2023-10-01 18:41:23 +09:00
parent 50654f1f46
commit ab8fe199c5
6 changed files with 38 additions and 22 deletions
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6
src/smt/smt_internalizer.cpp
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@ -1378,12 +1378,12 @@ namespace smt {
clause * context::mk_clause(unsigned num_lits, literal * lits, justification * j, clause_kind k, clause_del_eh * del_eh) {
TRACE("mk_clause", display_literals_verbose(tout << "creating clause: " << literal_vector(num_lits, lits) << "\n", num_lits, lits) << "\n";);
m_clause_proof.add(num_lits, lits, k, j);
literal_buffer simp_lits;
switch (k) {
case CLS_TH_AXIOM:
dump_axiom(num_lits, lits);
Z3_fallthrough;
case CLS_AUX: {
literal_buffer simp_lits;
if (m_searching)
dump_lemma(num_lits, lits);
if (!simplify_aux_clause_literals(num_lits, lits, simp_lits)) {
@ -1451,7 +1451,7 @@ namespace smt {
else if (get_assignment(l2) == l_false) {
assign(l1, b_justification(~l2));
}
m_clause_proof.add(l1, l2, k, j);
m_clause_proof.add(l1, l2, k, j, &simp_lits);
m_stats.m_num_mk_bin_clause++;
return nullptr;
}
@ -1464,7 +1464,7 @@ namespace smt {
bool reinit = save_atoms;
SASSERT(!lemma || j == 0 || !j->in_region());
clause * cls = clause::mk(m, num_lits, lits, k, j, del_eh, save_atoms, m_bool_var2expr.data());
m_clause_proof.add(*cls);
m_clause_proof.add(*cls, &simp_lits);
if (lemma) {
cls->set_activity(activity);
if (k == CLS_LEARNED) {