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add flag to control whether ite-lifting under quantifiers is conservative or full for #4746, use smt.q.lift_ite=2 to obtain legacy behavior

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-10-27 16:27:24 -07:00
parent e2fbd05fe7
commit 07680408a6
3 changed files with 6 additions and 2 deletions
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6
src/smt/smt_setup.cpp
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@ -640,7 +640,8 @@ namespace smt {
// It destroys the existing patterns.
// m_params.m_macro_finder = true;
m_params.m_ng_lift_ite = LI_CONSERVATIVE;
if (m_params.m_ng_lift_ite == LI_NONE)
m_params.m_ng_lift_ite = LI_CONSERVATIVE;
TRACE("setup", tout << "max_eager_multipatterns: " << m_params.m_qi_max_eager_multipatterns << "\n";);
m_context.register_plugin(alloc(smt::theory_i_arith, m_context));
setup_arrays();
@ -664,7 +665,8 @@ namespace smt {
m_params.m_qi_lazy_threshold = 20;
//
m_params.m_macro_finder = true;
m_params.m_ng_lift_ite = LI_CONSERVATIVE;
if (m_params.m_ng_lift_ite == LI_NONE)
m_params.m_ng_lift_ite = LI_CONSERVATIVE;
m_params.m_pi_max_multi_patterns = 10; //<< it was used for SMT-COMP
m_params.m_array_lazy_ieq = true;
m_params.m_array_lazy_ieq_delay = 4;