mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-21 10:41:35 +00:00
Code Activity

fix #4216

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-06 09:45:38 -07:00
parent f2449df06e
commit 6f6c8d76eb
2 changed files with 17 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/smt/smt_consequences.cpp
View file

@ -100,6 +100,14 @@ namespace smt {
void context::justify(literal lit, index_set& s) {
(void)m;
auto add_antecedent = [&](literal l) {
CTRACE("context", !m_antecedents.contains(l.var()),
tout << "untracked literal: " << l << " "
<< mk_pp(bool_var2expr(l.var()), m) << "\n";);
if (m_antecedents.contains(l.var())) {
s |= m_antecedents[l.var()];
}
};
b_justification js = get_justification(lit.var());
switch (js.get_kind()) {
case b_justification::CLAUSE: {
@ -107,13 +115,13 @@ namespace smt {
if (!cls) break;
for (literal lit2 : *cls) {
if (lit2.var() != lit.var()) {
s |= m_antecedents.find(lit2.var());
add_antecedent(lit2);
}
}
break;
}
case b_justification::BIN_CLAUSE: {
s |= m_antecedents.find(js.get_literal().var());
add_antecedent(js.get_literal());
break;
}
case b_justification::AXIOM: {
@ -123,10 +131,7 @@ namespace smt {
literal_vector literals;
m_conflict_resolution->justification2literals(js.get_justification(), literals);
for (unsigned j = 0; j < literals.size(); ++j) {
if (!m_antecedents.contains(literals[j].var())) {
TRACE("context", tout << literals[j] << " " << mk_pp(bool_var2expr(literals[j].var()), m) << "\n";);
}
s |= m_antecedents.find(literals[j].var());
add_antecedent(literals[j]);
}
break;
}