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handle div 0 cases as it is uninterpreted #1683
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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@ -476,7 +476,7 @@ class theory_lra::imp {
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internalize_eq(v, v1);
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}
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else if (a.is_idiv(n, n1, n2)) {
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if (!a.is_numeral(n2, r) || r.is_zero()) found_not_handled(n);
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if (!a.is_numeral(n2, r)) found_not_handled(n);
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m_idiv_terms.push_back(n);
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app * mod = a.mk_mod(n1, n2);
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ctx().internalize(mod, false);
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@ -486,11 +486,11 @@ class theory_lra::imp {
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if (!ctx().relevancy()) mk_idiv_mod_axioms(n1, n2);
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}
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else if (a.is_rem(n, n1, n2)) {
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if (!a.is_numeral(n2, r) || r.is_zero()) found_not_handled(n);
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if (!a.is_numeral(n2, r)) found_not_handled(n);
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if (!ctx().relevancy()) mk_rem_axiom(n1, n2);
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}
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else if (a.is_div(n, n1, n2)) {
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if (!a.is_numeral(n2, r) || r.is_zero()) found_not_handled(n);
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if (!a.is_numeral(n2, r)) found_not_handled(n);
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if (!ctx().relevancy()) mk_div_axiom(n1, n2);
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}
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else if (a.is_power(n)) {
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