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remove iff

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-16 18:35:38 -07:00 • committed by Arie Gurfinkel
parent ecf15ab07d
commit ff0f257102
47 changed files with 199 additions and 264 deletions
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2
src/sat/tactic/atom2bool_var.cpp
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@ -75,7 +75,7 @@ struct collect_boolean_interface_proc {
continue;
if (is_app(t) && to_app(t)->get_family_id() == m.get_basic_family_id() && to_app(t)->get_num_args() > 0) {
decl_kind k = to_app(t)->get_decl_kind();
if (k == OP_OR || k == OP_NOT || k == OP_IFF || ((k == OP_EQ || k == OP_ITE) && m.is_bool(to_app(t)->get_arg(1)))) {
if (k == OP_OR || k == OP_NOT || ((k == OP_EQ || k == OP_ITE) && m.is_bool(to_app(t)->get_arg(1)))) {
unsigned num = to_app(t)->get_num_args();
for (unsigned i = 0; i < num; i++) {
expr * arg = to_app(t)->get_arg(i);

2
src/sat/tactic/goal2sat.cpp
View file

@ -201,7 +201,6 @@ struct goal2sat::imp {
case OP_NOT:
case OP_OR:
case OP_AND:
case OP_IFF:
m_frame_stack.push_back(frame(to_app(t), root, sign, 0));
return false;
case OP_ITE:
@ -630,7 +629,6 @@ struct goal2sat::imp {
case OP_ITE:
convert_ite(t, root, sign);
break;
case OP_IFF:
case OP_EQ:
convert_iff(t, root, sign);
break;