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fix bugs uncovered from running non-Horn SDV samples

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-29 14:56:09 -08:00
parent cefa2d7650
commit 646ace6842
4 changed files with 36 additions and 22 deletions
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13
src/muz_qe/pdr_util.cpp
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@ -608,6 +608,7 @@ namespace pdr {
best effort evaluator of extensional array equality.
*/
void model_evaluator::eval_array_eq(app* e, expr* arg1, expr* arg2) {
TRACE("pdr", tout << "array equality: " << mk_pp(e, m) << "\n";);
expr_ref v1(m), v2(m);
m_model->eval(arg1, v1);
m_model->eval(arg2, v2);
@ -633,7 +634,10 @@ namespace pdr {
if (else1 != else2) {
if (m.is_value(else1) && m.is_value(else2)) {
set_bool(e, false);
TRACE("pdr", tout
<< "defaults are different: " << mk_pp(e, m) << " "
<< mk_pp(else1, m) << " " << mk_pp(else2, m) << "\n";);
set_false(e);
}
else {
TRACE("pdr", tout << "equality is unknown: " << mk_pp(e, m) << "\n";);
@ -659,7 +663,10 @@ namespace pdr {
continue;
}
else if (m.is_value(w1) && m.is_value(w2)) {
set_bool(e, false);
TRACE("pdr", tout << "Equality evaluation: " << mk_pp(e, m) << "\n";
tout << mk_pp(s1, m) << " |-> " << mk_pp(w1, m) << "\n";
tout << mk_pp(s2, m) << " |-> " << mk_pp(w2, m) << "\n";);
set_false(e);
return;
}
else {
@ -668,7 +675,7 @@ namespace pdr {
return;
}
}
set_bool(e, true);
set_true(e);
}
void model_evaluator::eval_eq(app* e, expr* arg1, expr* arg2) {