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testing lookahead

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-02-12 11:49:07 -08:00
parent 690689424d
commit 42deeb3498
13 changed files with 456 additions and 15 deletions
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11
src/sat/sat_parallel.cpp
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@ -185,12 +185,17 @@ namespace sat {
unsigned owner = s.m_par_id;
while (m_pool.get_vector(owner, n, ptr)) {
m_lits.reset();
for (unsigned i = 0; i < n; ++i) {
m_lits.push_back(to_literal(ptr[i]));
bool usable_clause = true;
for (unsigned i = 0; usable_clause && i < n; ++i) {
literal lit(to_literal(ptr[i]));
m_lits.push_back(lit);
usable_clause = lit.var() <= s.m_par_num_vars && !s.was_eliminated(lit.var());
}
IF_VERBOSE(3, verbose_stream() << s.m_par_id << ": retrieve " << m_lits << "\n";);
SASSERT(n >= 2);
s.mk_clause_core(m_lits.size(), m_lits.c_ptr(), true);
if (usable_clause) {
s.mk_clause_core(m_lits.size(), m_lits.c_ptr(), true);
}
}
}