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change projection function

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-12-28 09:38:17 +08:00
parent 8b3abe120c
commit 8829fa96de
2 changed files with 39 additions and 21 deletions
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10
src/qe/qe_mbi.cpp
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@ -325,20 +325,14 @@ namespace qe {
TRACE("qe", tout << "unsat core: " << lits << "\n";);
// optionally minimize core using superposition.
return mbi_unsat;
case l_true: {
case l_true:
m_solver->get_model(mdl);
if (!get_literals(mdl, lits)) {
return mbi_undef;
}
project0(mdl, lits);
project(mdl, lits);
return mbi_sat;
}
default:
// TBD: if not running solver to completion, then:
// 1. extract unit literals from m_solver.
// 2. run a cc over the units
// 3. extract equalities or other assignments over the congruence classes
// 4. ensure that at least some progress is made over original lits.
return mbi_undef;
}
}