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axiom solver improvements

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This commit is contained in:
Nikolaj Bjorner 2021-12-31 11:53:40 -08:00
parent 79f0ceac4c
commit aa901c4e88
8 changed files with 98 additions and 75 deletions
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10
src/sat/smt/euf_ackerman.cpp
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@ -176,10 +176,10 @@ namespace euf {
unsigned sz = a->get_num_args();
for (unsigned i = 0; i < sz; ++i) {
expr_ref eq(m.mk_eq(a->get_arg(i), b->get_arg(i)), m);
expr_ref eq = s.mk_eq(a->get_arg(i), b->get_arg(i));
lits.push_back(~s.mk_literal(eq));
}
expr_ref eq(m.mk_eq(a, b), m);
expr_ref eq = s.mk_eq(a, b);
lits.push_back(s.mk_literal(eq));
s.s().mk_clause(lits, sat::status::th(true, m.get_basic_family_id()));
}
@ -187,9 +187,9 @@ namespace euf {
void ackerman::add_eq(expr* a, expr* b, expr* c) {
flet<bool> _is_redundant(s.m_is_redundant, true);
sat::literal lits[3];
expr_ref eq1(m.mk_eq(a, c), m);
expr_ref eq2(m.mk_eq(b, c), m);
expr_ref eq3(m.mk_eq(a, b), m);
expr_ref eq1(s.mk_eq(a, c), m);
expr_ref eq2(s.mk_eq(b, c), m);
expr_ref eq3(s.mk_eq(a, b), m);
TRACE("ack", tout << mk_pp(a, m) << " " << mk_pp(b, m) << " " << mk_pp(c, m) << "\n";);
lits[0] = ~s.mk_literal(eq1);
lits[1] = ~s.mk_literal(eq2);