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fix #4725

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-10-06 08:41:30 -07:00
parent 1131fedb23
commit 1d8d58710c
1 changed files with 5 additions and 3 deletions
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8
src/ast/ast.cpp
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@ -1143,11 +1143,13 @@ func_decl * basic_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters
case OP_DISTINCT: {
func_decl_info info(m_family_id, OP_DISTINCT);
info.set_pairwise();
ptr_buffer<sort> sorts;
for (unsigned i = 1; i < arity; i++) {
if (domain[i] != domain[0]) {
std::ostringstream buffer;
buffer << "Sort mismatch between first argument and argument " << (i+1);
throw ast_exception(buffer.str());
sort* srt = join(arity, domain);
for (unsigned j = 0; j < arity; ++j)
sorts.push_back(srt);
domain = sorts.c_ptr();
}
}
return m_manager->mk_func_decl(symbol("distinct"), arity, domain, m_bool_sort, info);