mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2026-01-31 14:27:55 +00:00
Code Activity

add sequential option for SLS, fixes to import/export methods SLS<->SMT

Browse source
This commit is contained in:
Nikolaj Bjorner 2024-11-14 21:43:26 -08:00
parent 6a9d5910cb
commit 8e3b9f6686
16 changed files with 224 additions and 63 deletions
Download patch file Download diff file Expand all files Collapse all files

19
src/smt/theory_seq.cpp
View file

@ -1494,6 +1494,11 @@ bool theory_seq::internalize_term(app* term) {
bool_var bv = ctx.mk_bool_var(term);
ctx.set_var_theory(bv, get_id());
ctx.mark_as_relevant(bv);
#if 1
// experiment
if (m_util.str.is_contains(term))
init_length_limit_for_contains(term);
#endif
}
enode* e = nullptr;
@ -1533,6 +1538,20 @@ void theory_seq::add_length(expr* l) {
m_trail_stack.push(insert_obj_trail<expr>(m_has_length, e));
}
void theory_seq::init_length_limit_for_contains(expr* c) {
if (ctx.is_searching())
return;
expr* x, *y;
VERIFY(m_util.str.is_contains(c, x, y));
unsigned min_y = m_util.str.min_length(y);
if (min_y > 0) {
unsigned old_min_y = 0;
m_length_limit_map.find(x, old_min_y);
add_length_limit(x, old_min_y + min_y, false);
}
}
/**
Add length limit restrictions to sequence s.
*/