diff --git a/src/sat/smt/arith_solver.cpp b/src/sat/smt/arith_solver.cpp index ebfe93dfe..cbccf7fa8 100644 --- a/src/sat/smt/arith_solver.cpp +++ b/src/sat/smt/arith_solver.cpp @@ -1484,6 +1484,13 @@ namespace arith { } void solver::add_lemmas() { + if (m_nla->check_feasible()) { + auto is_sat = make_feasible(); + if (l_false == is_sat) { + get_infeasibility_explanation_and_set_conflict(); + return; + } + } for (auto const& ineq : m_nla->literals()) { auto lit = mk_ineq_literal(ineq); ctx.mark_relevant(lit);