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fix #2387, add ite-hoist rewriting, allow assumptions to be compound expressions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-07-09 07:40:20 +01:00
parent cd93cdd819
commit 88aa689a70
6 changed files with 118 additions and 33 deletions
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2
src/smt/qi_queue.cpp
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@ -217,7 +217,7 @@ namespace smt {
TRACE("checker", tout << "reduced to true, before:\n" << mk_ll_pp(instance, m););
if (m.has_trace_stream()) {
display_instance_profile(f, q, num_bindings, bindings, pr->get_id(), generation);
display_instance_profile(f, q, num_bindings, bindings, pr ? pr->get_id() : 0, generation);
m.trace_stream() << "[end-of-instance]\n";
}

2
src/smt/theory_seq.cpp
View file

@ -5961,7 +5961,7 @@ void theory_seq::add_lt_axiom(expr* n) {
add_axiom(lt, eq, e1xcy);
add_axiom(lt, eq, emp2, ltdc);
add_axiom(lt, eq, emp2, e2xdz);
if (e1->get_id() <= e2->get_id() || true) {
if (e1->get_id() <= e2->get_id()) {
literal gt = mk_literal(m_util.str.mk_lex_lt(e2, e1));
add_axiom(lt, eq, gt);
add_axiom(~eq, ~lt);