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add core validation option to directly validate cores using the context

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-08-10 10:56:07 +02:00
parent 76ca64b93b
commit db24cb8087
6 changed files with 36 additions and 1 deletions
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28
src/smt/smt_context_inv.cpp
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@ -399,5 +399,33 @@ namespace smt {
#endif
/**
\brief validate unsat core returned by
*/
void context::validate_unsat_core() {
if (!get_fparams().m_core_validate) {
return;
}
context ctx(get_manager(), get_fparams(), get_params());
ptr_vector<expr> assertions;
get_assertions(assertions);
unsigned sz = assertions.size();
for (unsigned i = 0; i < sz; ++i) {
ctx.assert_expr(assertions[i]);
}
sz = m_unsat_core.size();
for (unsigned i = 0; i < sz; ++i) {
ctx.assert_expr(m_unsat_core.get(i));
}
lbool res = ctx.check();
switch (res) {
case l_false:
break;
default:
UNREACHABLE();
throw default_exception("Core could not be validated");
}
}
};