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setting roots breaks relevancy propagation

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This commit is contained in:
Nikolaj Bjorner 2022-01-05 21:16:25 -08:00
parent bd8de964f7
commit d7c7fbb8f1
4 changed files with 24 additions and 6 deletions
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15
src/cmd_context/cmd_context.cpp
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@ -2107,6 +2107,21 @@ void cmd_context::analyze_failure(expr_mark& seen, model_evaluator& ev, expr* a,
<< (expected_value?"true":"false") << "\n";);
IF_VERBOSE(11, display_detailed_analysis(verbose_stream(), ev, a));
if (m().is_iff(a)) {
ptr_vector<expr> todo;
todo.push_back(a);
for (unsigned i = 0; i < todo.size(); ++i) {
e = todo[i];
if (m().is_and(e) || m().is_or(e) || m().is_iff(e) || m().is_implies(e) || m().is_not(e))
for (expr* arg : *to_app(e))
todo.push_back(arg);
else
IF_VERBOSE(10, verbose_stream() << "#" << e->get_id() << " " << mk_bounded_pp(e, m()) << " " << (ev.is_true(e)?"true":"false") << "\n");
}
return;
}
}
void cmd_context::display_detailed_analysis(std::ostream& out, model_evaluator& ev, expr* e) {