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add debugging facilities for github issues #384 #367

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-22 10:43:18 -08:00
parent 65da0f9f3a
commit 9c6271dded
14 changed files with 529 additions and 479 deletions
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6
src/smt/theory_seq.cpp
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@ -331,7 +331,7 @@ bool theory_seq::check_length_coherence_tbd() {
if (is_var(f) && f == e) {
expr_ref emp(m_util.str.mk_empty(m.get_sort(e)), m);
TRACE("seq", tout << "Unsolved " << mk_pp(e, m) << "\n";);
#if 0
#if 1
if (!assume_equality(e, emp)) {
// e = emp \/ e = unit(head.elem(e))*tail(e)
sort* char_sort = 0;
@ -341,9 +341,11 @@ bool theory_seq::check_length_coherence_tbd() {
expr_ref head(m_util.str.mk_unit(v), m);
expr_ref conc(m_util.str.mk_concat(head, tail), m);
add_axiom(mk_eq(e, emp, false), mk_eq(e, conc, false));
assume_equality(tail, emp);
}
#endif
coherent = false;
m_branch_variable_head = j + 1;
return false;
}
}
return coherent;