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fix #4082

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-24 11:33:19 -07:00
parent a3844af94b
commit 6ab83466d9
2 changed files with 5 additions and 0 deletions
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2
src/smt/asserted_formulas.cpp
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@ -137,6 +137,8 @@ void asserted_formulas::set_eliminate_and(bool flag) {
m_params.set_bool("expand_select_store", true);
//m_params.set_bool("expand_nested_stores", true);
m_params.set_bool("bv_sort_ac", true);
// seq theory solver keeps terms in normal form and has to interact with side-effect of rewriting
// m_params.set_bool("coalesce_chars", m_smt_params.m_string_solver != symbol("seq"));
m_params.set_bool("som", true);
m_rewriter.updt_params(m_params);
flush_cache();

3
src/smt/theory_seq.cpp
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@ -1049,6 +1049,9 @@ bool theory_seq::add_solution(expr* l, expr* r, dependency* deps) {
}
m_new_solution = true;
m_rep.update(l, r, deps);
expr_ref sl(l, m);
m_rewrite(sl);
m_rep.update(sl, r, deps);
enode* n1 = ensure_enode(l);
enode* n2 = ensure_enode(r);
TRACE("seq", tout << mk_bounded_pp(l, m, 2) << " ==> " << mk_bounded_pp(r, m, 2) << "\n"; display_deps(tout, deps);