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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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21
examples/tptp/tptp5.cpp
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@ -2305,12 +2305,25 @@ static void display_smt2(std::ostream& out) {
return;
}
z3::expr_vector asms(ctx);
size_t num_assumptions = fmls.m_formulas.size();
for (size_t i = 0; i < num_assumptions; ++i)
asms.push_back(fmls.m_formulas[i]);
Z3_ast* assumptions = new Z3_ast[num_assumptions];
for (size_t i = 0; i < num_assumptions; ++i) {
assumptions[i] = fmls.m_formulas[i];
for (size_t i = 0; i < asms.size(); ++i) {
z3::expr fml = asms[i];
if (fml.is_and()) {
asms.set(i, fml.arg(0));
for (unsigned j = 1; j < fml.num_args(); ++j)
asms.push_back(fml.arg(j));
--i;
}
}
Z3_ast* assumptions = new Z3_ast[asms.size()];
for (size_t i = 0; i < asms.size(); ++i)
assumptions[i] = asms[i];
Z3_set_ast_print_mode(ctx, Z3_PRINT_SMTLIB_FULL);
Z3_string s =
Z3_benchmark_to_smtlib_string(
ctx,
@ -2318,7 +2331,7 @@ static void display_smt2(std::ostream& out) {
0, // no logic is set
"unknown", // no status annotation
"", // attributes
static_cast<unsigned>(num_assumptions),
static_cast<unsigned>(asms.size()),
assumptions,
ctx.bool_val(true));