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deal with empty set of post-orders

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-06 11:34:14 +01:00
parent f59cf2452d
commit eac659f748
5 changed files with 16 additions and 14 deletions
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4
src/smt/theory_lra.cpp
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@ -721,7 +721,7 @@ namespace smt {
SASSERT(!ctx().b_internalized(atom));
bool_var bv = ctx().mk_bool_var(atom);
ctx().set_var_theory(bv, get_id());
expr* n1, *n2;
expr* n1 = 0, *n2 = 0;
rational r;
lra_lp::bound_kind k;
theory_var v = null_theory_var;
@ -862,7 +862,7 @@ namespace smt {
void relevant_eh(app* n) {
TRACE("arith", tout << mk_pp(n, m) << "\n";);
expr* n1, *n2;
expr* n1 = 0, *n2 = 0;
if (a.is_mod(n, n1, n2))
mk_idiv_mod_axioms(n1, n2);
else if (a.is_rem(n, n1, n2))