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Merge remote-tracking branch 'upstream/master'

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nilsbecker 2018-06-24 08:08:32 +02:00
commit 4f64f069ab
301 changed files with 15728 additions and 18169 deletions
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12
src/smt/smt_quick_checker.cpp
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@ -312,11 +312,6 @@ namespace smt {
return is_true ? any_arg(a, true) : all_args(a, false);
case OP_AND:
return is_true ? all_args(a, true) : any_arg(a, false);
case OP_IFF:
if (is_true)
return (check(a->get_arg(0), true) && check(a->get_arg(1), true)) || (check(a->get_arg(0), false) && check(a->get_arg(1), false));
else
return (check(a->get_arg(0), true) && check(a->get_arg(1), false)) || (check(a->get_arg(0), false) && check(a->get_arg(1), true));
case OP_ITE:
if (check(a->get_arg(0), true))
return check(a->get_arg(1), is_true);
@ -325,6 +320,13 @@ namespace smt {
else
return check(a->get_arg(1), is_true) && check(a->get_arg(2), is_true);
case OP_EQ:
if (m_manager.is_iff(a)) {
if (is_true)
return (check(a->get_arg(0), true) && check(a->get_arg(1), true)) || (check(a->get_arg(0), false) && check(a->get_arg(1), false));
else
return (check(a->get_arg(0), true) && check(a->get_arg(1), false)) || (check(a->get_arg(0), false) && check(a->get_arg(1), true));
}
if (is_true) {
return canonize(a->get_arg(0)) == canonize(a->get_arg(1));
}