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merge

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Signed-off-by: Miguel Angelo Da Terra Neves <t-mineve@microsoft.com>
This commit is contained in:
Miguel Angelo Da Terra Neves 2017-12-15 09:51:17 -08:00
commit 2bb2ea59e9
29 changed files with 148 additions and 123 deletions
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6
src/sat/sat_elim_eqs.cpp
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@ -181,9 +181,9 @@ namespace sat {
for (bool_var v : to_elim) {
literal l(v, false);
literal r = roots[v];
SASSERT(v != r.var());
if (m_solver.is_external(v)) {
m_solver.set_root(l, r);
SASSERT(v != r.var());
bool root_ok = !m_solver.is_external(v) || m_solver.set_root(l, r);
if (m_solver.is_external(v) && (m_solver.is_incremental() || !root_ok)) {
// 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);