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add DDNF based engine

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-21 18:04:46 -07:00
parent 8822bc1755
commit b596828d23
11 changed files with 761 additions and 11 deletions
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3
src/sat/sat_mus.cpp
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@ -71,7 +71,7 @@ namespace sat {
literal lit = core.back();
core.pop_back();
unsigned sz = mus.size();
// mus.push_back(~lit); // TBD: measure
mus.push_back(~lit); // TBD: measure
mus.append(core);
lbool is_sat = s.check(mus.size(), mus.c_ptr());
TRACE("sat", tout << "mus: " << mus << "\n";);
@ -102,6 +102,7 @@ namespace sat {
core.push_back(lit);
}
}
IF_VERBOSE(2, verbose_stream() << "reduced core: " << core.size() << "\n";);
break;
}
}