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spacer: lemma generalizer for small numbers

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Attempts to reduce denominators in coefficients of farkas lemmas
This commit is contained in:
Arie Gurfinkel 2019-09-09 19:55:21 +02:00 • committed by Nikolaj Bjorner
parent 78a1f53ac9
commit 0d3fed9a6a
6 changed files with 249 additions and 31 deletions
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6
src/muz/spacer/spacer_context.cpp
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@ -2323,6 +2323,7 @@ void context::updt_params() {
m_children_order = static_cast<spacer_children_order>(m_params.spacer_order_children());
m_simplify_pob = m_params.spacer_simplify_pob();
m_use_euf_gen = m_params.spacer_use_euf_gen();
m_use_lim_num_gen = m_params.spacer_use_lim_num_gen();
m_use_ctp = m_params.spacer_ctp();
m_use_inc_clause = m_params.spacer_use_inc_clause();
m_blast_term_ite_inflation = m_params.spacer_blast_term_ite_inflation();
@ -2654,6 +2655,11 @@ void context::init_lemma_generalizers()
{
reset_lemma_generalizers();
if (m_use_lim_num_gen) {
// first, to get small numbers before any other smt calls
m_lemma_generalizers.push_back(alloc(limit_num_generalizer, *this, 5));
}
if (m_q3_qgen) {
m_lemma_generalizers.push_back(alloc(lemma_bool_inductive_generalizer,
*this, 0, true));