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fix #6091

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This commit is contained in:
Nikolaj Bjorner 2022-06-11 11:56:32 -07:00
parent 46bc726391
commit 04f94d818f
4 changed files with 27 additions and 18 deletions
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17
src/smt/theory_arith_nl.h
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@ -624,11 +624,9 @@ template<typename Ext>
bool theory_arith<Ext>::check_monomial_assignments() {
bool computed_epsilon = false;
for (theory_var v : m_nl_monomials) {
TRACE("non_linear", tout << "v" << v << " is relevant: " << ctx.is_relevant(get_enode(v)) << "\n";
tout << "check_monomial_assignments result: " << check_monomial_assignment(v, computed_epsilon) << "\n";
tout << "computed_epsilon: " << computed_epsilon << "\n";);
TRACE("non_linear", tout << "v" << v << " is relevant: " << ctx.is_relevant(get_enode(v)) << "\n");
if (ctx.is_relevant(get_enode(v)) && !check_monomial_assignment(v, computed_epsilon)) {
TRACE("non_linear_failed", tout << "check_monomial_assignment failed for:\n" << mk_ismt2_pp(var2expr(v), get_manager()) << "\n";
TRACE("non_linear", tout << "check_monomial_assignment failed for:\n" << mk_ismt2_pp(var2expr(v), get_manager()) << "\n";
display_var(tout, v););
return false;
}
@ -1254,6 +1252,17 @@ bool theory_arith<Ext>::in_monovariate_monomials(buffer<coeff_expr> & p, expr *
}
template<typename Ext>
bool theory_arith<Ext>::is_pure_monomial(expr* mon) const {
if (!m_util.is_mul(mon))
return false;
app* p = to_app(mon);
for (expr* arg : *p)
if (m_util.is_numeral(arg) || m_util.is_mul(arg))
return false;
return true;
}
/**
\brief Display a nested form expression
*/