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column value is not necessarily at bounds

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Nikolaj Bjorner 2023-10-08 17:18:26 +09:00
parent 4c228fb02c
commit 54f7aac0bc
1 changed files with 3 additions and 2 deletions
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5
src/math/lp/monomial_bounds.cpp
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@ -324,7 +324,7 @@ namespace nla {
lp::lpvar term_index = c().lra.add_term(coeffs, UINT_MAX); lp::lpvar term_index = c().lra.add_term(coeffs, UINT_MAX);
auto* dep = explain_fixed(m, k); auto* dep = explain_fixed(m, k);
term_index = c().lra.map_term_index_to_column_index(term_index); term_index = c().lra.map_term_index_to_column_index(term_index);
TRACE("nla_solver", tout << "propagate nonfixed " << m << " = " << k << "\n";); TRACE("nla_solver", tout << "propagate nonfixed " << m << " = " << k << " " << w << "\n";);
c().lra.update_column_type_and_bound(term_index, lp::lconstraint_kind::EQ, mpq(0), dep); c().lra.update_column_type_and_bound(term_index, lp::lconstraint_kind::EQ, mpq(0), dep);
if (k == 1) { if (k == 1) {
@ -370,8 +370,9 @@ namespace nla {
rational monomial_bounds::fixed_var_product(monic const& m) { rational monomial_bounds::fixed_var_product(monic const& m) {
rational r(1); rational r(1);
for (lpvar v : m) { for (lpvar v : m) {
// VERIFY(!c().var_is_fixed(v) || c().lra.get_column_value(v).x == c().lra.get_lower_bound(v).x);
if (c().var_is_fixed(v)) if (c().var_is_fixed(v))
r *= c().lra.get_column_value(v).x; r *= c().lra.get_lower_bound(v).x;
} }
return r; return r;
} }