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remove dual solver approach

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-03 14:08:01 -08:00
parent 1f964eea90
commit 8e3185ffe3
13 changed files with 44 additions and 537 deletions
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8
src/sat/tactic/goal2sat.cpp
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@ -186,8 +186,6 @@ struct goal2sat::imp : public sat::sat_internalizer {
return v;
v = m_solver.add_var(is_ext);
log_def(v, n);
if (top_level_relevant() && !is_bool_op(n))
ensure_euf()->track_relevancy(v);
return v;
}
@ -216,10 +214,6 @@ struct goal2sat::imp : public sat::sat_internalizer {
if (!m_expr2var_replay || !m_expr2var_replay->find(t, v))
v = add_var(true, t);
m_map.insert(t, v);
if (relevancy_enabled() && (m.is_true(t) || m.is_false(t))) {
add_dual_root(sat::literal(v, m.is_false(t)));
ensure_euf()->track_relevancy(v);
}
return v;
}
@ -678,8 +672,6 @@ struct goal2sat::imp : public sat::sat_internalizer {
}
if (lit == sat::null_literal)
return;
if (top_level_relevant())
euf->track_relevancy(lit.var());
if (root)
mk_root_clause(lit);
else