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#5324

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This commit is contained in:
Nikolaj Bjorner 2021-06-04 13:48:51 -07:00
parent 7cda90c06a
commit ae6aea7a4d
3 changed files with 14 additions and 5 deletions
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4
src/sat/smt/euf_internalize.cpp
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@ -193,8 +193,8 @@ namespace euf {
} }
s().mk_clause(lits, st); s().mk_clause(lits, st);
if (relevancy_enabled()) if (relevancy_enabled())
add_root(lits.size(), lits.data()); add_root(lits);
} }
else { else {
// g(f(x_i)) = x_i // g(f(x_i)) = x_i
// f(x_1) = a + .... + f(x_n) = a >= 2 // f(x_1) = a + .... + f(x_n) = a >= 2

3
src/sat/smt/euf_solver.h
View file

@ -357,6 +357,9 @@ namespace euf {
// relevancy // relevancy
bool relevancy_enabled() const { return get_config().m_relevancy_lvl > 0; } bool relevancy_enabled() const { return get_config().m_relevancy_lvl > 0; }
void add_root(unsigned n, sat::literal const* lits); void add_root(unsigned n, sat::literal const* lits);
void add_root(sat::literal_vector const& lits) { add_root(lits.size(), lits.data()); }
void add_root(sat::literal lit) { add_root(1, &lit); }
void add_root(sat::literal a, sat::literal b) { sat::literal lits[2] = {a, b}; add_root(2, lits); }
void add_aux(unsigned n, sat::literal const* lits); void add_aux(unsigned n, sat::literal const* lits);
void add_aux(sat::literal a, sat::literal b) { sat::literal lits[2] = {a, b}; add_aux(2, lits); } void add_aux(sat::literal a, sat::literal b) { sat::literal lits[2] = {a, b}; add_aux(2, lits); }
void track_relevancy(sat::bool_var v); void track_relevancy(sat::bool_var v);

10
src/sat/smt/q_solver.cpp
View file

@ -42,8 +42,12 @@ namespace q {
auto const& exp = expand(q); auto const& exp = expand(q);
if (exp.size() > 1 && is_forall(q)) { if (exp.size() > 1 && is_forall(q)) {
for (expr* e : exp) for (expr* e : exp) {
add_clause(~l, ctx.internalize(e, l.sign(), false, false)); sat::literal lit = ctx.internalize(e, l.sign(), false, false);
add_clause(~l, lit);
if (ctx.relevancy_enabled())
ctx.add_root(~l, lit);
}
return; return;
} }
if (exp.size() > 1 && is_exists(q)) { if (exp.size() > 1 && is_exists(q)) {
@ -52,6 +56,8 @@ namespace q {
for (expr* e : exp) for (expr* e : exp)
lits.push_back(ctx.internalize(e, l.sign(), false, false)); lits.push_back(ctx.internalize(e, l.sign(), false, false));
add_clause(lits); add_clause(lits);
if (ctx.relevancy_enabled())
ctx.add_root(lits);
return; return;
} }