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fix #3910

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-11 13:11:47 -07:00
parent b066f562c6
commit 98ff388c4e
3 changed files with 4 additions and 6 deletions
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2
src/smt/theory_arith.h
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@ -973,7 +973,7 @@ namespace smt {
/**
\brief A monomial is 'pure' if does not have a numeric coefficient.
*/
bool is_pure_monomial(expr * m) const { return m_util.is_mul(m) && !m_util.is_numeral(to_app(m)->get_arg(0)); }
bool is_pure_monomial(expr * m) const { return m_util.is_mul(m) && (to_app(m)->get_num_args() > 2 || !m_util.is_numeral(to_app(m)->get_arg(0))); }
bool is_pure_monomial(theory_var v) const { return is_pure_monomial(get_enode(v)->get_owner()); }
void mark_var(theory_var v, svector<theory_var> & vars, var_set & already_found);
void mark_dependents(theory_var v, svector<theory_var> & vars, var_set & already_found, row_set & already_visited_rows);