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bvsls integration with opt::wmaxsmt

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-03-31 17:41:34 +01:00
parent d67f1f36c4
commit 3bc31b6603
5 changed files with 385 additions and 40 deletions
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38
src/tactic/sls/sls_tracker.h
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@ -133,6 +133,19 @@ public:
}
#endif
inline obj_hashtable<expr> const & get_top_exprs() {
return m_top_expr;
}
inline bool is_sat() {
for (obj_hashtable<expr>::iterator it = m_top_expr.begin();
it != m_top_expr.end();
it++)
if (!m_mpz_manager.is_one(get_value(*it)))
return false;
return true;
}
inline void set_value(expr * n, const mpz & r) {
SASSERT(m_scores.contains(n));
m_mpz_manager.set(m_scores.find(n).value, r);
@ -522,6 +535,28 @@ public:
}
}
void set_model(model_ref const & mdl) {
for (unsigned i = 0; i < mdl->get_num_constants(); i++) {
func_decl * fd = mdl->get_constant(i);
expr * val = mdl->get_const_interp(fd);
if (m_entry_points.contains(fd)) {
if (m_manager.is_bool(val)) {
set_value(fd, m_manager.is_true(val) ? m_mpz_manager.mk_z(1) : m_mpz_manager.mk_z(0));
}
else if (m_bv_util.is_numeral(val)) {
rational r_val;
unsigned bv_sz;
m_bv_util.is_numeral(val, r_val, bv_sz);
mpq q = r_val.to_mpq();
SASSERT(m_mpz_manager.is_one(q.denominator()));
set_value(fd, q.numerator());
}
else
NOT_IMPLEMENTED_YET();
}
}
}
model_ref get_model() {
model_ref res = alloc(model, m_manager);
unsigned sz = get_num_constants();
@ -674,6 +709,9 @@ public:
m_scores.find(n).has_pos_occ = 1;
}
}
else if (m_bv_util.is_bv(n)) {
/* CMW: I need this for optimization. Safe to ignore? */
}
else
NOT_IMPLEMENTED_YET();
}