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change behavior of single-objective pareto to use Pareto GIA algorithm (so not a good idea with MaxSAT solving, but then uniform behavior #1439

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-01-13 20:08:23 -08:00
parent 450f3c9b45
commit b5335bc34b
1 changed files with 16 additions and 19 deletions
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35
src/opt/opt_context.cpp
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@ -287,27 +287,24 @@ namespace opt {
TRACE("opt", model_smt2_pp(tout, m, *m_model, 0););
m_optsmt.setup(*m_opt_solver.get());
update_lower();
opt_params optp(m_params);
symbol pri = optp.priority();
switch (m_objectives.size()) {
case 0:
break;
case 1:
is_sat = execute(m_objectives[0], true, false);
break;
default: {
opt_params optp(m_params);
symbol pri = optp.priority();
if (pri == symbol("pareto")) {
is_sat = execute_pareto();
}
else if (pri == symbol("box")) {
is_sat = execute_box();
}
else {
is_sat = execute_lex();
}
break;
if (0 == m_objectives.size()) {
// no op
}
else if (pri == symbol("pareto")) {
is_sat = execute_pareto();
}
else if (1 == m_objectives.size()) {
is_sat = execute(m_objectives[0], true, false);
}
else if (pri == symbol("box")) {
is_sat = execute_box();
}
else {
is_sat = execute_lex();
}
return adjust_unknown(is_sat);
}