mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 00:55:31 +00:00
Code Activity

fixes based on regression tests

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-08-27 09:31:16 -07:00
parent 809a4efc6b
commit 2ede4b2c80
21 changed files with 159 additions and 151 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/qe/nlqsat.cpp
View file

@ -444,16 +444,12 @@ namespace qe {
div_rewriter_cfg(nlqsat& s): m(s.m), a(s.m), m_zero(a.mk_real(0), m) {}
~div_rewriter_cfg() {}
br_status reduce_app(func_decl* f, unsigned sz, expr* const* args, expr_ref& result, proof_ref& pr) {
if (is_decl_of(f, a.get_family_id(), OP_DIV) && sz == 2 && !a.is_numeral(args[1])) {
rational r(1);
if (is_decl_of(f, a.get_family_id(), OP_DIV) && sz == 2 && (!a.is_numeral(args[1], r) || r.is_zero())) {
result = m.mk_fresh_const("div", a.mk_real());
m_divs.push_back(div(m, args[0], args[1], to_app(result)));
return BR_DONE;
}
if (is_decl_of(f, a.get_family_id(), OP_DIV_0) && sz == 1 && !a.is_numeral(args[0])) {
result = m.mk_fresh_const("div", a.mk_real());
m_divs.push_back(div(m, args[0], m_zero, to_app(result)));
return BR_DONE;
}
return BR_FAILED;
}
vector<div> const& divs() const { return m_divs; }
@ -507,10 +503,6 @@ namespace qe {
m_has_divs = true;
return;
}
if (a.is_div0(n) && s.m_mode == qsat_t) {
m_has_divs = true;
return;
}
TRACE("qe", tout << "not NRA: " << mk_pp(n, s.m) << "\n";);
throw tactic_exception("not NRA");
}