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fix bug in simplifier of bv2int over concatentations exposed by #948

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-22 10:55:55 -07:00
parent e342b87921
commit 25d839ed10
3 changed files with 25 additions and 12 deletions
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7
src/smt/theory_arith_core.h
View file

@ -40,7 +40,7 @@ namespace smt {
template<typename Ext>
void theory_arith<Ext>::found_underspecified_op(app * n) {
if (!m_found_underspecified_op) {
TRACE("arith", tout << "found non underspecificed expression:\n" << mk_pp(n, get_manager()) << "\n";);
TRACE("arith", tout << "found underspecificed expression:\n" << mk_pp(n, get_manager()) << "\n";);
get_context().push_trail(value_trail<context, bool>(m_found_underspecified_op));
m_found_underspecified_op = true;
}
@ -395,6 +395,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_div(app * n) {
if (!m_util.is_numeral(n->get_arg(1))) found_underspecified_op(n);
found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
@ -418,7 +419,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_mod(app * n) {
TRACE("arith_mod", tout << "internalizing...\n" << mk_pp(n, get_manager()) << "\n";);
found_underspecified_op(n);
if (!m_util.is_numeral(n->get_arg(1))) found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy())
@ -428,7 +429,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_rem(app * n) {
found_underspecified_op(n);
if (!m_util.is_numeral(n->get_arg(1))) found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy()) {

5
src/smt/theory_bv.cpp
View file

@ -607,12 +607,13 @@ namespace smt {
}
expr_ref sum(m);
arith_simp().mk_add(sz, args.c_ptr(), sum);
literal l(mk_eq(n, sum, false));
TRACE("bv",
tout << mk_pp(n, m) << "\n";
tout << mk_pp(sum, m) << "\n";
ctx.display_literal_verbose(tout, l);
tout << "\n";
);
literal l(mk_eq(n, sum, false));
ctx.mark_as_relevant(l);
ctx.mk_th_axiom(get_id(), 1, &l);