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tune cardinalities

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-02-19 11:35:31 -08:00
parent 7e391a8a57
commit 2885ca7714
5 changed files with 81 additions and 4 deletions
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4
src/sat/tactic/goal2sat.cpp
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@ -378,11 +378,15 @@ struct goal2sat::imp {
for (unsigned i = 0; i < num_args; ++i) {
sat::literal lit(m_result_stack[sz - num_args + i]);
if (!m_solver.is_external(lit.var())) {
#if 1
m_solver.set_external(lit.var());
#else
sat::bool_var w = m_solver.mk_var(true);
sat::literal lit2(w, false);
mk_clause(lit, ~lit2);
mk_clause(~lit, lit2);
lit = lit2;
#endif
}
lits.push_back(lit);
}