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update model during Lex

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-07-06 17:33:54 +02:00
parent 519c9dba25
commit 53f82e3239
3 changed files with 11 additions and 5 deletions
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4
src/opt/hitting_sets.cpp
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@ -204,7 +204,7 @@ namespace opt {
set_conflict(0, justification(justification::AXIOM));
}
else if (sz == 1) {
IF_VERBOSE(1, verbose_stream() << "unit literal : " << S[0] << " " << val << "\n";);
IF_VERBOSE(2, verbose_stream() << "unit literal : " << S[0] << " " << val << "\n";);
assign(S[0], val, justification(justification::AXIOM));
}
else {
@ -221,6 +221,7 @@ namespace opt {
inc_score(clause_id);
}
TRACE("opt", display(tout, j););
IF_VERBOSE(1, if (!sign) display(verbose_stream(), j););
if (!sign && m_enable_simplex) {
add_simplex_row(!sign, sz, S);
}
@ -246,6 +247,7 @@ namespace opt {
pop(scope_lvl());
IF_VERBOSE(1, verbose_stream() << "(hsmax.negated-size: " << fsz << ")\n";);
#if 0
// garbage collect agressively on exit.
// all learned clases for negative branches are