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bugbash

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fix missing justification in explain_slice
tune intblast solver with some simplifications
bypass conflicts if the state is already conflicting
This commit is contained in:
Nikolaj Bjorner 2024-01-04 20:14:22 -08:00
parent cb672c7992
commit c4b7061590
6 changed files with 68 additions and 26 deletions
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1
src/ast/arith_decl_plugin.h
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@ -401,6 +401,7 @@ public:
// return true if \c n is a term of the form (* -1 r)
bool is_zero(expr const* n) const { rational val; return is_numeral(n, val) && val.is_zero(); }
bool is_one(expr const* n) const{ rational val; return is_numeral(n, val) && val.is_one(); }
bool is_minus_one(expr* n) const { rational tmp; return is_numeral(n, tmp) && tmp.is_minus_one(); }
bool is_times_minus_one(expr* n, expr*& r) const {
if (is_mul(n) && to_app(n)->get_num_args() == 2 && is_minus_one(to_app(n)->get_arg(0))) {

2
src/ast/euf/euf_bv_plugin.cpp
View file

@ -491,6 +491,8 @@ namespace euf {
continue;
offsets.push_back(offs);
if (n->get_root() == b->get_root() && offs == offset) {
if (n != b)
consumer(n, b);
while (j != UINT_MAX) {
auto [x, y, j2] = just[j];
if (x != y)