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fix #6580

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-02-12 20:21:53 -08:00
parent 102eee77dc
commit bb81bc5452
2 changed files with 6 additions and 2 deletions
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2
src/sat/smt/arith_sls.cpp
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@ -62,7 +62,7 @@ namespace arith {
// first compute assignment to terms // first compute assignment to terms
// then update non-basic variables in tableau. // then update non-basic variables in tableau.
for (auto const& [t, v] : m_terms) { for (auto const& [t, v] : m_terms) {
int64_t val; int64_t val = 0;
lp::lar_term const& term = s.lp().get_term(t); lp::lar_term const& term = s.lp().get_term(t);
for (lp::lar_term::ival arg : term) { for (lp::lar_term::ival arg : term) {
auto t2 = s.lp().column2tv(arg.column()); auto t2 = s.lp().column2tv(arg.column());

6
src/smt/theory_lra.cpp
View file

@ -1596,8 +1596,12 @@ public:
final_check_status eval_power(expr* e) { final_check_status eval_power(expr* e) {
expr* x, * y; expr* x, * y;
rational r;
VERIFY(a.is_power(e, x, y)); VERIFY(a.is_power(e, x, y));
if (a.is_numeral(x, r) && r == 0 && a.is_numeral(y, r) && r == 0)
return FC_DONE;
if (!m_nla)
return FC_GIVEUP;
switch (m_nla->check_power(get_lpvar(e), get_lpvar(x), get_lpvar(y), m_nla_lemma_vector)) { switch (m_nla->check_power(get_lpvar(e), get_lpvar(x), get_lpvar(y), m_nla_lemma_vector)) {
case l_true: case l_true:
return FC_DONE; return FC_DONE;