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fix #5861

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This commit is contained in:
Nikolaj Bjorner 2022-02-22 11:26:09 -08:00
parent c2f1bdc099
commit 6af170b058
1 changed files with 2 additions and 35 deletions
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37
src/smt/theory_array_full.cpp
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@ -745,8 +745,8 @@ namespace smt {
//
//
expr_ref_vector args1(m), args2(m);
args1.push_back(store_app->get_arg(0));
args2.push_back(store_app);
args1.push_back(store_app);
args2.push_back(store_app->get_arg(0));
for (unsigned i = 1; i + 1 < num_args; ++i) {
expr* arg = store_app->get_arg(i);
@ -762,39 +762,6 @@ namespace smt {
ctx.internalize(def2, false);
is_new = try_assign_eq(def1, sel1) || try_assign_eq(def2, sel2);
return is_new;
#if 0
//
// This is incorrect, issue #5593.
//
// let A = store(B, i, v)
//
// Add:
// default(A) = ite(epsilon1 = i, v, default(B))
// A[diag(i)] = B[diag(i)]
//
expr_ref_vector eqs(m);
expr_ref_vector args1(m), args2(m);
args1.push_back(store_app->get_arg(0));
args2.push_back(store_app);
for (unsigned i = 1; i + 1 < num_args; ++i) {
expr* arg = store_app->get_arg(i);
sort* srt = arg->get_sort();
auto ep = mk_epsilon(srt);
eqs.push_back(m.mk_eq(ep.first, arg));
args1.push_back(m.mk_app(ep.second, arg));
args2.push_back(m.mk_app(ep.second, arg));
}
expr_ref eq(mk_and(eqs), m);
def2 = m.mk_ite(eq, store_app->get_arg(num_args-1), def2);
app_ref sel1(m), sel2(m);
sel1 = mk_select(args1);
sel2 = mk_select(args2);
is_new = try_assign_eq(sel1, sel2);
#endif
}
ctx.internalize(def1, false);