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add more simplifiers, fix model reconstruction order for elim_unconstrained

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- enable sat.smt in smt_tactic that
is invoked by default on first goals
add flatten-clauses
add push-ite
have tptp5 front-end pretty print SMT2 formulas a little nicer.
This commit is contained in:
Nikolaj Bjorner 2022-12-01 02:35:43 +09:00
parent edb0fc394b
commit cfc8e19baf
10 changed files with 271 additions and 54 deletions
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20
src/ast/simplifiers/elim_unconstrained.cpp
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@ -249,6 +249,16 @@ void elim_unconstrained::assert_normalized(vector<dependent_expr>& old_fmls) {
void elim_unconstrained::update_model_trail(generic_model_converter& mc, vector<dependent_expr> const& old_fmls) {
auto& trail = m_fmls.model_trail();
for (auto const& entry : mc.entries()) {
switch (entry.m_instruction) {
case generic_model_converter::instruction::HIDE:
trail.hide(entry.m_f);
break;
case generic_model_converter::instruction::ADD:
break;
}
}
scoped_ptr<expr_replacer> rp = mk_default_expr_replacer(m, false);
scoped_ptr<expr_substitution> sub = alloc(expr_substitution, m, true, false);
rp->set_substitution(sub.get());
@ -265,16 +275,6 @@ void elim_unconstrained::update_model_trail(generic_model_converter& mc, vector<
}
}
trail.push(sub.detach(), old_fmls);
for (auto const& entry : mc.entries()) {
switch (entry.m_instruction) {
case generic_model_converter::instruction::HIDE:
trail.hide(entry.m_f);
break;
case generic_model_converter::instruction::ADD:
break;
}
}
}
void elim_unconstrained::reduce() {