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fix constant offset and handling of ite in difference logic optimizer code-path. Issue #946

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-24 02:23:50 -07:00
parent 5d11a1cdb2
commit ec47706226
2 changed files with 10 additions and 3 deletions
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7
src/opt/opt_context.cpp
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@ -273,7 +273,8 @@ namespace opt {
display_benchmark();
IF_VERBOSE(1, verbose_stream() << "(optimize:check-sat)\n";);
lbool is_sat = s.check_sat(0,0);
TRACE("opt", tout << "initial search result: " << is_sat << "\n";);
TRACE("opt", tout << "initial search result: " << is_sat << "\n";
s.display(tout););
if (is_sat != l_false) {
s.get_model(m_model);
s.get_labels(m_labels);
@ -1037,6 +1038,10 @@ namespace opt {
TRACE("opt", tout << "Purifying " << term << "\n";);
term = purify(fm, term);
}
else if (m.is_ite(term)) {
TRACE("opt", tout << "Purifying " << term << "\n";);
term = purify(fm, term);
}
if (fm) {
m_model_converter = concat(m_model_converter.get(), fm.get());
}