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added in-processing features to card/pb

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-25 16:26:47 -07:00
parent c3d29e75ef
commit 66f0de6785
11 changed files with 706 additions and 164 deletions
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4
src/sat/sat_elim_eqs.cpp
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@ -189,7 +189,8 @@ namespace sat {
literal l(v, false);
literal r = roots[v];
SASSERT(v != r.var());
if (m_solver.is_external(v)) {
if (m_solver.is_external(v) && !m_solver.set_root(l, r)) {
std::cout << "skip: " << l << " == " << r << "\n";
// cannot really eliminate v, since we have to notify extension of future assignments
m_solver.mk_bin_clause(~l, r, false);
m_solver.mk_bin_clause(l, ~r, false);
@ -201,6 +202,7 @@ namespace sat {
mc.insert(e, ~l, r);
mc.insert(e, l, ~r);
}
m_solver.flush_roots();
}
}