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fix #3689

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-02 11:33:22 -07:00
parent a7aff1bcf0
commit 700ad1f2b9
1 changed files with 12 additions and 6 deletions
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18
src/smt/theory_arith_nl.h
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@ -71,9 +71,11 @@ void theory_arith<Ext>::mark_dependents(theory_var v, svector<theory_var> & vars
expr * n = var2expr(v);
SASSERT(m_util.is_mul(n));
for (expr * curr : *to_app(n)) {
theory_var v = expr2var(curr);
SASSERT(v != null_theory_var);
mark_var(v, vars, already_found);
if (get_context().e_internalized(curr)) {
theory_var v = expr2var(curr);
SASSERT(v != null_theory_var);
mark_var(v, vars, already_found);
}
}
}
if (is_fixed(v))
@ -1122,6 +1124,8 @@ bool theory_arith<Ext>::propagate_linear_monomials() {
template<typename Ext>
bool theory_arith<Ext>::is_problematic_non_linear_row(row const & r) {
m_tmp_var_set.reset();
if (!reflection_enabled())
return false;
typename vector<row_entry>::const_iterator it = r.begin_entries();
typename vector<row_entry>::const_iterator end = r.end_entries();
for (; it != end; ++it) {
@ -2380,9 +2384,11 @@ bool theory_arith<Ext>::max_min_nl_vars() {
expr * n = var2expr(v);
SASSERT(is_pure_monomial(n));
for (expr * curr : *to_app(n)) {
theory_var v = expr2var(curr);
SASSERT(v != null_theory_var);
mark_var(v, vars, already_found);
if (get_context().e_internalized(curr)) {
theory_var v = expr2var(curr);
SASSERT(v != null_theory_var);
mark_var(v, vars, already_found);
}
}
}
return max_min(vars);