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fix #3294

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-14 10:46:03 -07:00
parent b29c77dc87
commit 51e459d02b
55 changed files with 27 additions and 138 deletions
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13
src/ast/rewriter/rewriter_def.h
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@ -527,12 +527,18 @@ void rewriter_tpl<Config>::process_quantifier(quantifier * q, frame & fr) {
TRACE("reduce_quantifier_bug", tout << "rewrite patterns\n";);
expr * const * np = it + 1;
expr * const * nnp = np + num_pats;
unsigned j = 0;
for (unsigned i = 0; i < num_pats; i++)
if (m_manager.is_pattern(np[i]))
new_pats[i] = np[i];
new_pats[j++] = np[i];
new_pats.shrink(j);
num_pats = j;
j = 0;
for (unsigned i = 0; i < num_no_pats; i++)
if (m_manager.is_pattern(nnp[i]))
new_no_pats[i] = nnp[i];
new_no_pats[j++] = nnp[i];
new_no_pats.shrink(j);
num_no_pats = j;
}
if (ProofGen) {
quantifier_ref new_q(m().update_quantifier(q, num_pats, new_pats.c_ptr(), num_no_pats, new_no_pats.c_ptr(), new_body), m());
@ -547,8 +553,7 @@ void rewriter_tpl<Config>::process_quantifier(quantifier * q, frame & fr) {
if (m_cfg.reduce_quantifier(new_q, new_body, new_pats.c_ptr(), new_no_pats.c_ptr(), m_r, pr2)) {
m_pr = m().mk_transitivity(m_pr, pr2);
}
TRACE("reduce_quantifier_bug", tout << "m_pr is_null: " << (m_pr.get() == 0) << "\n";
if (m_pr) tout << mk_ismt2_pp(m_pr, m()) << "\n";);
TRACE("reduce_quantifier_bug",if (m_pr) tout << mk_ismt2_pp(m_pr, m()) << "\n"; else tout << "m_pr is_null\n";);
result_pr_stack().shrink(fr.m_spos);
result_pr_stack().push_back(m_pr);
}