mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 09:05:31 +00:00
Code Activity

fix unsound merge

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-01-13 17:47:20 -08:00
parent aed48e9f9b
commit 3f369ae962
3 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/sat/smt/polysat/viable.cpp
View file

@ -804,7 +804,7 @@ namespace polysat {
return find_t::multiple;
}
else {
IF_VERBOSE(0, display_one(verbose_stream() << "full: ", v, ne) << "\n");
// IF_VERBOSE(0, display_one(verbose_stream() << "full: ", v, ne) << "\n");
SASSERT(hi < lo);
ne->interval = eval_interval::full();
ne->coeff = 1;

1
src/sat/smt/polysat_internalize.cpp
View file

@ -515,7 +515,6 @@ namespace polysat {
pdd b = expr2pdd(y);
auto& m = a.manager();
unsigned sz = m.power_of_2();
verbose_stream() << "quot-rem " << a << " " << b << "\n";
if (b.is_zero()) {
// By SMT-LIB specification, b = 0 ==> q = -1, r = a.
internalize_set(quot, m.mk_val(m.max_value()));