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#5215

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This commit is contained in:
Nikolaj Bjorner 2021-05-19 10:33:23 -07:00
parent d450fd4227
commit abe3ef2382
3 changed files with 15 additions and 28 deletions
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3
src/sat/smt/bv_internalize.cpp
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@ -284,7 +284,6 @@ namespace bv {
}
void solver::register_true_false_bit(theory_var v, unsigned idx) {
SASSERT(s().value(m_bits[v][idx]) != l_undef);
sat::literal l = m_bits[v][idx];
SASSERT(l == mk_true() || ~l == mk_true());
bool is_true = l == mk_true();
@ -369,7 +368,7 @@ namespace bv {
sat::literal solver::mk_true() {
if (m_true == sat::null_literal) {
ctx.push(value_trail<sat::literal>(m_true));
m_true = ctx.internalize(m.mk_true(), false, false, false);
m_true = ctx.internalize(m.mk_true(), false, true, false);
}
return m_true;
}

20
src/sat/smt/bv_solver.cpp
View file

@ -95,14 +95,20 @@ namespace bv {
result.reset();
unsigned i = 0;
for (literal b : m_bits[v]) {
switch (ctx.s().value(b)) {
case l_false:
break;
case l_undef:
return false;
case l_true:
if (b == ~m_true)
;
else if (b == m_true)
result += power2(i);
break;
else {
switch (ctx.s().value(b)) {
case l_false:
break;
case l_undef:
return false;
case l_true:
result += power2(i);
break;
}
}
++i;
}