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bugfixes to incremental linearization for expanding power

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-01-26 21:19:45 -08:00
parent 8be43ca68b
commit ae24b73b19
2 changed files with 8 additions and 7 deletions
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3
src/smt/theory_lra.cpp
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@ -1115,7 +1115,8 @@ public:
void mk_power_axiom(expr* p, expr* x, expr* y) {
rational r;
if (a.is_extended_numeral(x, r) && r.is_unsigned() && r.is_pos()) {
// r > 0 => r^y > 0
if (a.is_extended_numeral(x, r) && r > 0) {
expr_ref zero(a.mk_real(0), m);
mk_axiom(~mk_literal(a.mk_le(p, zero)));
}