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make generation of "some" Boolean value fair

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This commit is contained in:
Nikolaj Bjorner 2023-03-15 21:43:26 +01:00
parent d1c7ff1a36
commit a9e6e567b0
3 changed files with 7 additions and 6 deletions
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8
src/model/value_factory.cpp
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@ -28,13 +28,13 @@ value_factory::value_factory(ast_manager & m, family_id fid):
value_factory::~value_factory() {
}
basic_factory::basic_factory(ast_manager & m):
value_factory(m, m.get_basic_family_id()) {
basic_factory::basic_factory(ast_manager & m, unsigned seed):
value_factory(m, m.get_basic_family_id()), m_rand(seed) {
}
expr * basic_factory::get_some_value(sort * s) {
if (m_manager.is_bool(s))
return m_manager.mk_false();
if (m_manager.is_bool(s))
return (m_rand() % 2 == 0) ? m_manager.mk_false() : m_manager.mk_true();
return nullptr;
}