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fix parameters in utvpi and make Karr invariants use backward propagation

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2013-05-12 17:02:25 -07:00
parent c8c5f30b49
commit 5eed106ffe
7 changed files with 101 additions and 66 deletions
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src/muz_qe/dl_compiler.cpp
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@ -499,8 +499,7 @@ namespace datalog {
expr * arg = a->get_arg(i);
if(is_app(arg)) {
app * c = to_app(arg); //argument is a constant
SASSERT(c->get_num_args()==0);
SASSERT(m_context.get_decl_util().is_numeral_ext(arg));
SASSERT(m.is_value(c));
reg_idx new_reg;
make_select_equal_and_project(single_res, c, single_res_expr.size(), new_reg, acc);
if(single_res!=t_reg) {