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#5482 other relevancy tracking

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This commit is contained in:
Nikolaj Bjorner 2021-08-25 05:59:27 -07:00
parent e75b5e9513
commit 17663acf75
1 changed files with 14 additions and 13 deletions
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27
src/sat/smt/bv_internalize.cpp
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@ -423,9 +423,9 @@ namespace bv {
for (expr* b : k_bits)
args.push_back(m.mk_ite(b, m_autil.mk_int(power2(i++)), zero));
expr_ref sum(m_autil.mk_add(sz, args.data()), m);
expr_ref eq = mk_eq(n, sum);
sat::literal lit = ctx.internalize(eq, false, false, m_is_redundant);
add_unit(lit);
sat::literal lit = eq_internalize(n, sum);
add_unit(lit);
ctx.add_root(lit);
}
void solver::internalize_int2bv(app* n) {
@ -453,9 +453,9 @@ namespace bv {
unsigned sz = bv.get_bv_size(n);
numeral mod = power(numeral(2), sz);
rhs = m_autil.mk_mod(e, m_autil.mk_int(mod));
expr_ref eq = mk_eq(lhs, rhs);
TRACE("bv", tout << eq << "\n";);
add_unit(ctx.internalize(eq, false, false, m_is_redundant));
sat::literal eq_lit = eq_internalize(lhs, rhs);
add_unit(eq_lit);
ctx.add_root(eq_lit);
expr_ref_vector n_bits(m);
get_bits(n_enode, n_bits);
@ -466,9 +466,9 @@ namespace bv {
rhs = m_autil.mk_mod(rhs, m_autil.mk_int(2));
rhs = mk_eq(rhs, m_autil.mk_int(1));
lhs = n_bits.get(i);
expr_ref eq = mk_eq(lhs, rhs);
TRACE("bv", tout << eq << "\n";);
add_unit(ctx.internalize(eq, false, false, m_is_redundant));
eq_lit = eq_internalize(lhs, rhs);
add_unit(eq_lit);
ctx.add_root(eq_lit);
}
}
@ -650,7 +650,9 @@ namespace bv {
conc.push_back(arg);
expr_ref r(bv.mk_concat(conc), m);
mk_bits(get_th_var(e));
add_unit(eq_internalize(e, r));
sat::literal eq_lit = eq_internalize(e, r);
add_unit(eq_lit);
ctx.add_root(eq_lit);
}
void solver::internalize_bit2bool(app* n) {
@ -760,9 +762,8 @@ namespace bv {
expr_ref e1(m), e2(m);
e1 = bv.mk_bit2bool(o1, i);
e2 = bv.mk_bit2bool(o2, i);
expr_ref e = mk_eq(e1, e2);
literal eq = ctx.internalize(e, false, false, m_is_redundant);
add_clause(eq, ~oeq);
literal eq = eq_internalize(e1, e2);
add_clause(eq, ~oeq);
eqs.push_back(~eq);
}
TRACE("bv", for (auto l : eqs) tout << mk_bounded_pp(literal2expr(l), m) << " "; tout << "\n";);