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disable buggy code in slicer: it removes conjuncts for non-sliced variables. It should use the same criteria as the slice recognizer. reported by Arie Gurfinkel

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-10-31 20:29:28 -07:00
parent e2f3f9abd7
commit 8f7494cb04
4 changed files with 52 additions and 31 deletions
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12
src/muz_qe/pdr_util.cpp
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@ -916,6 +916,7 @@ bool model_evaluator::check_model(ptr_vector<expr> const& formulas) {
class test_diff_logic {
ast_manager& m;
arith_util a;
bv_util bv;
bool m_is_dl;
bool is_numeric(expr* e) const {
@ -1017,14 +1018,21 @@ bool model_evaluator::check_model(ptr_vector<expr> const& formulas) {
return false;
}
family_id fid = to_app(e)->get_family_id();
if (fid == null_family_id &&
!m.is_bool(e) &&
to_app(e)->get_num_args() > 0) {
return true;
}
return
fid != m.get_basic_family_id() &&
fid != null_family_id &&
fid != a.get_family_id();
fid != a.get_family_id() &&
fid != bv.get_family_id();
}
public:
test_diff_logic(ast_manager& m): m(m), a(m), m_is_dl(true) {}
test_diff_logic(ast_manager& m): m(m), a(m), bv(m), m_is_dl(true) {}
void operator()(expr* e) {
if (!m_is_dl) {