mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-07-19 10:52:02 +00:00
Code Activity

n/a

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-18 18:07:04 -07:00
parent c0556b2f64
commit 2d4a5e0a5e
4 changed files with 17 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

25
src/smt/theory_recfun.cpp
View file

@ -45,7 +45,7 @@ namespace smt {
char const * theory_recfun::get_name() const { return "recfun"; }
void theory_recfun::setup_params() {
void theory_recfun::init_search_eh() {
// obtain max depth via parameters
smt_params_helper p(ctx().get_params());
set_max_depth(p.recfun_max_depth());
@ -330,28 +330,15 @@ namespace smt {
}
final_check_status theory_recfun::final_check_eh() {
if (m_guards.size() > get_max_depth()) {
#if 1
return FC_GIVEUP;
#else
for (unsigned i = get_max_depth(); i < m_guards.size(); ++i) {
app* a = m_guards.get(i);
body_expansion b_e(u(), a);
push_body_expand(std::move(b_e));
}
unsigned new_depth = m_guards.size() + 1;
IF_VERBOSE(2, verbose_stream() << "(smt.recfun :new-depth " << new_depth << ")\n");
set_max_depth(new_depth);
return FC_CONTINUE;
#endif
}
return FC_DONE;
}
void theory_recfun::add_theory_assumptions(expr_ref_vector & assumptions) {
app_ref dlimit = m_util.mk_depth_limit_pred(get_max_depth());
TRACEFN("add_theory_assumption " << mk_pp(dlimit.get(), m));
assumptions.push_back(dlimit);
if (u().has_def()) {
app_ref dlimit = m_util.mk_depth_limit_pred(get_max_depth());
TRACEFN("add_theory_assumption " << mk_pp(dlimit.get(), m));
assumptions.push_back(dlimit);
}
}
// if `dlimit` occurs in unsat core, return 'true'