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use ast_manager as an attribute

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This commit is contained in:
Nikolaj Bjorner 2022-12-02 07:53:32 -08:00
parent 5073959ae0
commit cf7bba6288
6 changed files with 311 additions and 316 deletions
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226
src/ast/rewriter/arith_rewriter.cpp
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@ -24,7 +24,7 @@ Notes:
seq_util& arith_rewriter_core::seq() {
if (!m_seq) {
m_seq = alloc(seq_util, m());
m_seq = alloc(seq_util, m);
}
return *m_seq;
}
@ -93,9 +93,9 @@ br_status arith_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * c
case OP_TANH: SASSERT(num_args == 1); st = mk_tanh_core(args[0], result); break;
default: st = BR_FAILED; break;
}
CTRACE("arith_rewriter", st != BR_FAILED, tout << st << ": " << mk_pp(f, m());
for (unsigned i = 0; i < num_args; ++i) tout << mk_pp(args[i], m()) << " ";
tout << "\n==>\n" << mk_pp(result.get(), m()) << "\n";
CTRACE("arith_rewriter", st != BR_FAILED, tout << st << ": " << mk_pp(f, m);
for (unsigned i = 0; i < num_args; ++i) tout << mk_pp(args[i], m) << " ";
tout << "\n==>\n" << mk_pp(result.get(), m) << "\n";
if (is_app(result)) tout << "args: " << to_app(result)->get_num_args() << "\n";
);
return st;
@ -133,7 +133,7 @@ bool arith_rewriter::div_polynomial(expr * t, numeral const & g, const_treatment
SASSERT(!g.is_one());
unsigned sz;
expr * const * ms = get_monomials(t, sz);
expr_ref_buffer new_args(m());
expr_ref_buffer new_args(m);
numeral a;
for (unsigned i = 0; i < sz; i++) {
expr * arg = ms[i];
@ -196,10 +196,10 @@ bool arith_rewriter::is_bound(expr * arg1, expr * arg2, op_kind kind, expr_ref &
switch (kind) {
case LE: c = floor(c); break;
case GE: c = ceil(c); break;
case EQ: result = m().mk_false(); return true;
case EQ: result = m.mk_false(); return true;
}
}
expr_ref k(m_util.mk_numeral(c, is_int), m());
expr_ref k(m_util.mk_numeral(c, is_int), m);
switch (kind) {
case LE: result = m_util.mk_le(pp, k); return true;
case GE: result = m_util.mk_ge(pp, k); return true;
@ -223,24 +223,24 @@ bool arith_rewriter::is_bound(expr * arg1, expr * arg2, op_kind kind, expr_ref &
if (c.is_neg()) {
switch (kind) {
case EQ:
case LE: result = m().mk_false(); return true;
case GE: result = m().mk_true(); return true;
case LE: result = m.mk_false(); return true;
case GE: result = m.mk_true(); return true;
}
}
if (c.is_zero() && kind == GE) {
result = m().mk_true();
result = m.mk_true();
return true;
}
if (c.is_pos() && c >= abs(b)) {
switch (kind) {
case LE: result = m().mk_true(); return true;
case LE: result = m.mk_true(); return true;
case EQ:
case GE: result = m().mk_false(); return true;
case GE: result = m.mk_false(); return true;
}
}
// mod x b <= b - 1
if (c + rational::one() == abs(b) && kind == LE) {
result = m().mk_true();
result = m.mk_true();
return true;
}
}
@ -304,7 +304,7 @@ br_status arith_rewriter::is_separated(expr* arg1, expr* arg2, op_kind kind, exp
if (kind != LE && kind != GE)
return BR_FAILED;
rational bound(0), r1, r2;
expr_ref narg(m());
expr_ref narg(m);
bool has_bound = true;
if (!m_util.is_numeral(arg2, r2))
return BR_FAILED;
@ -335,47 +335,47 @@ br_status arith_rewriter::is_separated(expr* arg1, expr* arg2, op_kind kind, exp
if (kind == GE && r1 > r2)
return BR_FAILED;
if (kind == LE && r1 > r2) {
result = m().mk_false();
result = m.mk_false();
return BR_DONE;
}
if (kind == GE && r1 < r2) {
result = m().mk_false();
result = m.mk_false();
return BR_DONE;
}
SASSERT(r1 == r2);
expr_ref zero(m_util.mk_numeral(rational(0), arg1->get_sort()), m());
expr_ref zero(m_util.mk_numeral(rational(0), arg1->get_sort()), m);
if (r1.is_zero() && m_util.is_mul(arg1)) {
expr_ref_buffer eqs(m());
expr_ref_buffer eqs(m);
ptr_buffer<expr> args;
flat_mul(arg1, args);
for (expr* arg : args) {
if (m_util.is_numeral(arg))
continue;
eqs.push_back(m().mk_eq(arg, zero));
eqs.push_back(m.mk_eq(arg, zero));
}
result = m().mk_or(eqs);
result = m.mk_or(eqs);
return BR_REWRITE2;
}
if (kind == LE && m_util.is_add(arg1)) {
expr_ref_buffer leqs(m());
expr_ref_buffer leqs(m);
for (expr* arg : *to_app(arg1)) {
if (!m_util.is_numeral(arg))
leqs.push_back(m_util.mk_le(arg, zero));
}
result = m().mk_and(leqs);
result = m.mk_and(leqs);
return BR_REWRITE2;
}
if (kind == GE && m_util.is_add(arg1)) {
expr_ref_buffer geqs(m());
expr_ref_buffer geqs(m);
for (expr* arg : *to_app(arg1)) {
if (!m_util.is_numeral(arg))
geqs.push_back(m_util.mk_ge(arg, zero));
}
result = m().mk_and(geqs);
result = m.mk_and(geqs);
return BR_REWRITE2;
}
@ -399,8 +399,8 @@ bool arith_rewriter::elim_to_real_var(expr * var, expr_ref & new_var) {
bool arith_rewriter::elim_to_real_mon(expr * monomial, expr_ref & new_monomial) {
if (m_util.is_mul(monomial)) {
expr_ref_buffer new_vars(m());
expr_ref new_var(m());
expr_ref_buffer new_vars(m);
expr_ref new_var(m);
unsigned num = to_app(monomial)->get_num_args();
for (unsigned i = 0; i < num; i++) {
if (!elim_to_real_var(to_app(monomial)->get_arg(i), new_var))
@ -417,8 +417,8 @@ bool arith_rewriter::elim_to_real_mon(expr * monomial, expr_ref & new_monomial)
bool arith_rewriter::elim_to_real_pol(expr * p, expr_ref & new_p) {
if (m_util.is_add(p)) {
expr_ref_buffer new_monomials(m());
expr_ref new_monomial(m());
expr_ref_buffer new_monomials(m);
expr_ref new_monomial(m);
for (expr* arg : *to_app(p)) {
if (!elim_to_real_mon(arg, new_monomial))
return false;
@ -507,14 +507,14 @@ br_status arith_rewriter::reduce_power(expr * arg1, expr * arg2, op_kind kind, e
switch (kind) {
case LE: result = m_util.mk_le(new_arg1, new_arg2); return BR_REWRITE1;
case GE: result = m_util.mk_ge(new_arg1, new_arg2); return BR_REWRITE1;
default: result = m().mk_eq(new_arg1, new_arg2); return BR_REWRITE1;
default: result = m.mk_eq(new_arg1, new_arg2); return BR_REWRITE1;
}
}
br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kind, expr_ref & result) {
expr *orig_arg1 = arg1, *orig_arg2 = arg2;
expr_ref new_arg1(m());
expr_ref new_arg2(m());
expr_ref new_arg1(m);
expr_ref new_arg2(m);
if ((is_zero(arg1) && is_reduce_power_target(arg2, kind == EQ)) ||
(is_zero(arg2) && is_reduce_power_target(arg1, kind == EQ)))
return reduce_power(arg1, arg2, kind, result);
@ -524,29 +524,29 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
arg1 = new_arg1;
arg2 = new_arg2;
}
expr_ref new_new_arg1(m());
expr_ref new_new_arg2(m());
expr_ref new_new_arg1(m);
expr_ref new_new_arg2(m);
if (m_elim_to_real && elim_to_real(arg1, arg2, new_new_arg1, new_new_arg2)) {
arg1 = new_new_arg1;
arg2 = new_new_arg2;
CTRACE("elim_to_real", m_elim_to_real, tout << "after_elim_to_real\n" << mk_ismt2_pp(arg1, m()) << "\n" << mk_ismt2_pp(arg2, m()) << "\n";);
CTRACE("elim_to_real", m_elim_to_real, tout << "after_elim_to_real\n" << mk_ismt2_pp(arg1, m) << "\n" << mk_ismt2_pp(arg2, m) << "\n";);
if (st == BR_FAILED)
st = BR_DONE;
}
numeral a1, a2;
if (is_numeral(arg1, a1) && is_numeral(arg2, a2)) {
switch (kind) {
case LE: result = a1 <= a2 ? m().mk_true() : m().mk_false(); return BR_DONE;
case GE: result = a1 >= a2 ? m().mk_true() : m().mk_false(); return BR_DONE;
default: result = a1 == a2 ? m().mk_true() : m().mk_false(); return BR_DONE;
case LE: result = a1 <= a2 ? m.mk_true() : m.mk_false(); return BR_DONE;
case GE: result = a1 >= a2 ? m.mk_true() : m.mk_false(); return BR_DONE;
default: result = a1 == a2 ? m.mk_true() : m.mk_false(); return BR_DONE;
}
}
#define ANUM_LE_GE_EQ() { \
switch (kind) { \
case LE: result = am.le(v1, v2) ? m().mk_true() : m().mk_false(); return BR_DONE; \
case GE: result = am.ge(v1, v2) ? m().mk_true() : m().mk_false(); return BR_DONE; \
default: result = am.eq(v1, v2) ? m().mk_true() : m().mk_false(); return BR_DONE; \
case LE: result = am.le(v1, v2) ? m.mk_true() : m.mk_false(); return BR_DONE; \
case GE: result = am.ge(v1, v2) ? m.mk_true() : m.mk_false(); return BR_DONE; \
default: result = am.eq(v1, v2) ? m.mk_true() : m.mk_false(); return BR_DONE; \
} \
}
@ -593,12 +593,12 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
if (!first && !g.is_one() && num_consts <= 1) {
bool is_sat = div_polynomial(arg1, g, (kind == LE ? CT_CEIL : (kind == GE ? CT_FLOOR : CT_FALSE)), new_arg1);
if (!is_sat) {
result = m().mk_false();
result = m.mk_false();
return BR_DONE;
}
is_sat = div_polynomial(arg2, g, (kind == LE ? CT_FLOOR : (kind == GE ? CT_CEIL : CT_FALSE)), new_arg2);
if (!is_sat) {
result = m().mk_false();
result = m.mk_false();
return BR_DONE;
}
arg1 = new_arg1.get();
@ -607,25 +607,25 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
}
}
expr* c = nullptr, *t = nullptr, *e = nullptr;
if (m().is_ite(arg1, c, t, e) && is_numeral(t, a1) && is_numeral(arg2, a2)) {
if (m.is_ite(arg1, c, t, e) && is_numeral(t, a1) && is_numeral(arg2, a2)) {
switch (kind) {
case LE: result = a1 <= a2 ? m().mk_or(c, m_util.mk_le(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_le(e, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a2 ? m().mk_or(c, m_util.mk_ge(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_ge(e, arg2)); return BR_REWRITE2;
case EQ: result = a1 == a2 ? m().mk_or(c, m().mk_eq(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_eq(e, arg2)); return BR_REWRITE2;
case LE: result = a1 <= a2 ? m.mk_or(c, m_util.mk_le(e, arg2)) : m.mk_and(m.mk_not(c), m_util.mk_le(e, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a2 ? m.mk_or(c, m_util.mk_ge(e, arg2)) : m.mk_and(m.mk_not(c), m_util.mk_ge(e, arg2)); return BR_REWRITE2;
case EQ: result = a1 == a2 ? m.mk_or(c, m.mk_eq(e, arg2)) : m.mk_and(m.mk_not(c), m_util.mk_eq(e, arg2)); return BR_REWRITE2;
}
}
if (m().is_ite(arg1, c, t, e) && is_numeral(e, a1) && is_numeral(arg2, a2)) {
if (m.is_ite(arg1, c, t, e) && is_numeral(e, a1) && is_numeral(arg2, a2)) {
switch (kind) {
case LE: result = a1 <= a2 ? m().mk_or(m().mk_not(c), m_util.mk_le(t, arg2)) : m().mk_and(c, m_util.mk_le(t, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a2 ? m().mk_or(m().mk_not(c), m_util.mk_ge(t, arg2)) : m().mk_and(c, m_util.mk_ge(t, arg2)); return BR_REWRITE2;
case EQ: result = a1 == a2 ? m().mk_or(m().mk_not(c), m().mk_eq(t, arg2)) : m().mk_and(c, m_util.mk_eq(t, arg2)); return BR_REWRITE2;
case LE: result = a1 <= a2 ? m.mk_or(m.mk_not(c), m_util.mk_le(t, arg2)) : m.mk_and(c, m_util.mk_le(t, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a2 ? m.mk_or(m.mk_not(c), m_util.mk_ge(t, arg2)) : m.mk_and(c, m_util.mk_ge(t, arg2)); return BR_REWRITE2;
case EQ: result = a1 == a2 ? m.mk_or(m.mk_not(c), m.mk_eq(t, arg2)) : m.mk_and(c, m_util.mk_eq(t, arg2)); return BR_REWRITE2;
}
}
if (m().is_ite(arg1, c, t, e) && arg1->get_ref_count() == 1) {
if (m.is_ite(arg1, c, t, e) && arg1->get_ref_count() == 1) {
switch (kind) {
case LE: result = m().mk_ite(c, m_util.mk_le(t, arg2), m_util.mk_le(e, arg2)); return BR_REWRITE2;
case GE: result = m().mk_ite(c, m_util.mk_ge(t, arg2), m_util.mk_ge(e, arg2)); return BR_REWRITE2;
case EQ: result = m().mk_ite(c, m().mk_eq(t, arg2), m().mk_eq(e, arg2)); return BR_REWRITE2;
case LE: result = m.mk_ite(c, m_util.mk_le(t, arg2), m_util.mk_le(e, arg2)); return BR_REWRITE2;
case GE: result = m.mk_ite(c, m_util.mk_ge(t, arg2), m_util.mk_ge(e, arg2)); return BR_REWRITE2;
case EQ: result = m.mk_ite(c, m.mk_eq(t, arg2), m.mk_eq(e, arg2)); return BR_REWRITE2;
}
}
if (m_util.is_to_int(arg2) && is_numeral(arg1)) {
@ -642,7 +642,7 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
return BR_REWRITE1;
case EQ:
result = m_util.mk_ge(t, m_util.mk_numeral(a2, false));
result = m().mk_and(m_util.mk_lt(t, m_util.mk_numeral(a2+1, false)), result);
result = m.mk_and(m_util.mk_lt(t, m_util.mk_numeral(a2+1, false)), result);
return BR_REWRITE3;
}
}
@ -663,7 +663,7 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
switch (kind) {
case LE: result = m_util.mk_le(arg1, arg2); return BR_DONE;
case GE: result = m_util.mk_ge(arg1, arg2); return BR_DONE;
default: result = m().mk_eq(arg1, arg2); return BR_DONE;
default: result = m.mk_eq(arg1, arg2); return BR_DONE;
}
}
return BR_FAILED;
@ -674,7 +674,7 @@ br_status arith_rewriter::mk_le_core(expr * arg1, expr * arg2, expr_ref & result
}
br_status arith_rewriter::mk_lt_core(expr * arg1, expr * arg2, expr_ref & result) {
result = m().mk_not(m_util.mk_le(arg2, arg1));
result = m.mk_not(m_util.mk_le(arg2, arg1));
return BR_REWRITE2;
}
@ -683,7 +683,7 @@ br_status arith_rewriter::mk_ge_core(expr * arg1, expr * arg2, expr_ref & result
}
br_status arith_rewriter::mk_gt_core(expr * arg1, expr * arg2, expr_ref & result) {
result = m().mk_not(m_util.mk_le(arg1, arg2));
result = m.mk_not(m_util.mk_le(arg1, arg2));
return BR_REWRITE2;
}
@ -694,7 +694,7 @@ bool arith_rewriter::is_arith_term(expr * n) const {
br_status arith_rewriter::mk_eq_core(expr * arg1, expr * arg2, expr_ref & result) {
br_status st = BR_FAILED;
if (m_eq2ineq) {
result = m().mk_and(m_util.mk_le(arg1, arg2), m_util.mk_ge(arg1, arg2));
result = m.mk_and(m_util.mk_le(arg1, arg2), m_util.mk_ge(arg1, arg2));
st = BR_REWRITE2;
}
else if (m_arith_lhs || is_arith_term(arg1) || is_arith_term(arg2)) {
@ -724,7 +724,7 @@ br_status arith_rewriter::mk_and_core(unsigned n, expr* const* args, expr_ref& r
}
if (rest.size() < n - 1) {
rest.push_back(arg0);
result = m().mk_and(rest);
result = m.mk_and(rest);
return BR_REWRITE1;
}
}
@ -742,8 +742,8 @@ bool arith_rewriter::mk_eq_mod(expr* arg1, expr* arg2, expr_ref& result) {
rational a, b;
rational g = gcd(p, k, a, b);
if (g == 1) {
expr_ref nb(m_util.mk_numeral(b, true), m());
result = m().mk_eq(m_util.mk_mod(u, y),
expr_ref nb(m_util.mk_numeral(b, true), m);
result = m.mk_eq(m_util.mk_mod(u, y),
m_util.mk_mod(m_util.mk_mul(nb, arg2), y));
return true;
}
@ -752,7 +752,7 @@ bool arith_rewriter::mk_eq_mod(expr* arg1, expr* arg2, expr_ref& result) {
}
expr_ref arith_rewriter::neg_monomial(expr* e) const {
expr_ref_vector args(m());
expr_ref_vector args(m);
rational a1;
if (m_util.is_numeral(e, a1))
args.push_back(m_util.mk_numeral(-a1, e->get_sort()));
@ -773,10 +773,10 @@ expr_ref arith_rewriter::neg_monomial(expr* e) const {
args.push_back(e);
}
if (args.size() == 1) {
return expr_ref(args.back(), m());
return expr_ref(args.back(), m);
}
else {
return expr_ref(m_util.mk_mul(args.size(), args.data()), m());
return expr_ref(m_util.mk_mul(args.size(), args.data()), m);
}
}
@ -793,7 +793,7 @@ bool arith_rewriter::is_neg_poly(expr* t, expr_ref& neg) const {
expr * t2 = to_app(t)->get_arg(0);
if (m_util.is_mul(t2) && is_numeral(to_app(t2)->get_arg(0), r) && r.is_neg()) {
expr_ref_vector args1(m());
expr_ref_vector args1(m);
for (expr* e1 : *to_app(t)) {
args1.push_back(neg_monomial(e1));
}
@ -826,7 +826,7 @@ bool arith_rewriter::is_anum_simp_target(unsigned num_args, expr * const * args)
br_status arith_rewriter::mk_add_core(unsigned num_args, expr * const * args, expr_ref & result) {
if (is_anum_simp_target(num_args, args)) {
expr_ref_buffer new_args(m());
expr_ref_buffer new_args(m);
anum_manager & am = m_util.am();
scoped_anum r(am);
scoped_anum arg(am);
@ -864,7 +864,7 @@ br_status arith_rewriter::mk_add_core(unsigned num_args, expr * const * args, ex
new_args.push_back(m_util.mk_numeral(am, r, false));
br_status st = poly_rewriter<arith_rewriter_core>::mk_add_core(new_args.size(), new_args.data(), result);
if (st == BR_FAILED) {
result = m().mk_app(get_fid(), OP_ADD, new_args.size(), new_args.data());
result = m.mk_app(get_fid(), OP_ADD, new_args.size(), new_args.data());
return BR_DONE;
}
return st;
@ -876,7 +876,7 @@ br_status arith_rewriter::mk_add_core(unsigned num_args, expr * const * args, ex
br_status arith_rewriter::mk_mul_core(unsigned num_args, expr * const * args, expr_ref & result) {
if (is_anum_simp_target(num_args, args)) {
expr_ref_buffer new_args(m());
expr_ref_buffer new_args(m);
anum_manager & am = m_util.am();
scoped_anum r(am);
scoped_anum arg(am);
@ -913,7 +913,7 @@ br_status arith_rewriter::mk_mul_core(unsigned num_args, expr * const * args, ex
br_status st = poly_rewriter<arith_rewriter_core>::mk_mul_core(new_args.size(), new_args.data(), result);
if (st == BR_FAILED) {
result = m().mk_app(get_fid(), OP_MUL, new_args.size(), new_args.data());
result = m.mk_app(get_fid(), OP_MUL, new_args.size(), new_args.data());
return BR_DONE;
}
return st;
@ -998,7 +998,7 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
else {
numeral k(1);
k /= v2;
result = m().mk_app(get_fid(), OP_MUL,
result = m.mk_app(get_fid(), OP_MUL,
m_util.mk_numeral(k, false),
arg1);
return BR_REWRITE1;
@ -1028,8 +1028,8 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
v1 /= v2;
result = m_util.mk_mul(m_util.mk_numeral(v1, false),
m_util.mk_div(b, d));
expr_ref z(m_util.mk_real(0), m());
result = m().mk_ite(m().mk_eq(d, z), m_util.mk_div(arg1, z), result);
expr_ref z(m_util.mk_real(0), m);
result = m.mk_ite(m.mk_eq(d, z), m_util.mk_div(arg1, z), result);
return BR_REWRITE2;
}
}
@ -1039,7 +1039,7 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
}
br_status arith_rewriter::mk_idivides(unsigned k, expr * arg, expr_ref & result) {
result = m().mk_eq(m_util.mk_mod(arg, m_util.mk_int(k)), m_util.mk_int(0));
result = m.mk_eq(m_util.mk_mod(arg, m_util.mk_int(k)), m_util.mk_int(0));
return BR_REWRITE2;
}
@ -1063,12 +1063,12 @@ br_status arith_rewriter::mk_idiv_core(expr * arg1, expr * arg2, expr_ref & resu
return BR_FAILED;
}
if (arg1 == arg2) {
expr_ref zero(m_util.mk_int(0), m());
result = m().mk_ite(m().mk_eq(arg1, zero), m_util.mk_idiv(zero, zero), m_util.mk_int(1));
expr_ref zero(m_util.mk_int(0), m);
result = m.mk_ite(m.mk_eq(arg1, zero), m_util.mk_idiv(zero, zero), m_util.mk_int(1));
return BR_REWRITE3;
}
if (m_util.is_numeral(arg2, v2, is_int) && v2.is_pos() && m_util.is_add(arg1)) {
expr_ref_buffer args(m());
expr_ref_buffer args(m);
bool change = false;
rational add(0);
for (expr* arg : *to_app(arg1)) {
@ -1083,15 +1083,15 @@ br_status arith_rewriter::mk_idiv_core(expr * arg1, expr * arg2, expr_ref & resu
}
}
if (change) {
result = m_util.mk_idiv(m().mk_app(to_app(arg1)->get_decl(), args.size(), args.data()), arg2);
result = m_util.mk_idiv(m.mk_app(to_app(arg1)->get_decl(), args.size(), args.data()), arg2);
result = m_util.mk_add(m_util.mk_numeral(add, true), result);
TRACE("div_bug", tout << "mk_div result: " << result << "\n";);
return BR_REWRITE3;
}
}
if (divides(arg1, arg2, result)) {
expr_ref zero(m_util.mk_int(0), m());
result = m().mk_ite(m().mk_eq(zero, arg2), m_util.mk_idiv(arg1, zero), result);
expr_ref zero(m_util.mk_int(0), m);
result = m.mk_ite(m.mk_eq(zero, arg2), m_util.mk_idiv(arg1, zero), result);
return BR_REWRITE_FULL;
}
return BR_FAILED;
@ -1150,17 +1150,17 @@ expr_ref arith_rewriter::remove_divisor(expr* arg, expr* num, expr* den) {
flat_mul(den, args2);
remove_divisor(arg, args1);
remove_divisor(arg, args2);
expr_ref zero(m_util.mk_int(0), m());
expr_ref zero(m_util.mk_int(0), m);
num = args1.empty() ? m_util.mk_int(1) : m_util.mk_mul(args1.size(), args1.data());
den = args2.empty() ? m_util.mk_int(1) : m_util.mk_mul(args2.size(), args2.data());
expr_ref d(m_util.mk_idiv(num, den), m());
expr_ref nd(m_util.mk_idiv(m_util.mk_uminus(num), m_util.mk_uminus(den)), m());
return expr_ref(m().mk_ite(m().mk_eq(zero, arg),
expr_ref d(m_util.mk_idiv(num, den), m);
expr_ref nd(m_util.mk_idiv(m_util.mk_uminus(num), m_util.mk_uminus(den)), m);
return expr_ref(m.mk_ite(m.mk_eq(zero, arg),
m_util.mk_idiv(zero, zero),
m().mk_ite(m_util.mk_ge(arg, zero),
m.mk_ite(m_util.mk_ge(arg, zero),
d,
nd)),
m());
m);
}
void arith_rewriter::flat_mul(expr* e, ptr_buffer<expr>& args) {
@ -1208,8 +1208,8 @@ br_status arith_rewriter::mk_mod_core(expr * arg1, expr * arg2, expr_ref & resul
}
if (arg1 == arg2 && !m_util.is_numeral(arg2)) {
expr_ref zero(m_util.mk_int(0), m());
result = m().mk_ite(m().mk_eq(arg2, zero), m_util.mk_mod(zero, zero), zero);
expr_ref zero(m_util.mk_int(0), m);
result = m.mk_ite(m.mk_eq(arg2, zero), m_util.mk_mod(zero, zero), zero);
return BR_DONE;
}
@ -1222,8 +1222,8 @@ br_status arith_rewriter::mk_mod_core(expr * arg1, expr * arg2, expr_ref & resul
// propagate mod inside only if there is something to reduce.
if (m_util.is_numeral(arg2, v2, is_int) && is_int && v2.is_pos() && (is_add(arg1) || is_mul(arg1))) {
TRACE("mod_bug", tout << "mk_mod:\n" << mk_ismt2_pp(arg1, m()) << "\n" << mk_ismt2_pp(arg2, m()) << "\n";);
expr_ref_buffer args(m());
TRACE("mod_bug", tout << "mk_mod:\n" << mk_ismt2_pp(arg1, m) << "\n" << mk_ismt2_pp(arg2, m) << "\n";);
expr_ref_buffer args(m);
bool change = false;
for (expr* arg : *to_app(arg1)) {
rational arg_v;
@ -1246,8 +1246,8 @@ br_status arith_rewriter::mk_mod_core(expr * arg1, expr * arg2, expr_ref & resul
if (!change) {
return BR_FAILED; // did not find any target for applying simplification
}
result = m_util.mk_mod(m().mk_app(to_app(arg1)->get_decl(), args.size(), args.data()), arg2);
TRACE("mod_bug", tout << "mk_mod result: " << mk_ismt2_pp(result, m()) << "\n";);
result = m_util.mk_mod(m.mk_app(to_app(arg1)->get_decl(), args.size(), args.data()), arg2);
TRACE("mod_bug", tout << "mk_mod result: " << mk_ismt2_pp(result, m) << "\n";);
return BR_REWRITE3;
}
@ -1290,10 +1290,10 @@ br_status arith_rewriter::mk_rem_core(expr * arg1, expr * arg2, expr_ref & resul
}
else if (m_elim_rem) {
expr * mod = m_util.mk_mod(arg1, arg2);
result = m().mk_ite(m_util.mk_ge(arg2, m_util.mk_numeral(rational(0), true)),
result = m.mk_ite(m_util.mk_ge(arg2, m_util.mk_numeral(rational(0), true)),
mod,
m_util.mk_uminus(mod));
TRACE("elim_rem", tout << "result: " << mk_ismt2_pp(result, m()) << "\n";);
TRACE("elim_rem", tout << "result: " << mk_ismt2_pp(result, m) << "\n";);
return BR_REWRITE3;
}
return BR_FAILED;
@ -1322,7 +1322,7 @@ br_status arith_rewriter::mk_power_core(expr * arg1, expr * arg2, expr_ref & res
bool is_num_y = m_util.is_numeral(arg2, y);
auto ensure_real = [&](expr* e) { return m_util.is_int(e) ? m_util.mk_to_real(e) : e; };
TRACE("arith", tout << mk_pp(arg1, m()) << " " << mk_pp(arg2, m()) << "\n";);
TRACE("arith", tout << mk_pp(arg1, m) << " " << mk_pp(arg2, m) << "\n";);
if (is_num_x && x.is_one()) {
result = m_util.mk_numeral(x, false);
return BR_DONE;
@ -1377,7 +1377,7 @@ br_status arith_rewriter::mk_power_core(expr * arg1, expr * arg2, expr_ref & res
if (is_num_y && y.is_minus_one()) {
result = m_util.mk_div(m_util.mk_real(1), ensure_real(arg1));
result = m().mk_ite(m().mk_eq(arg1, m_util.mk_numeral(rational(0), m_util.is_int(arg1))),
result = m.mk_ite(m.mk_eq(arg1, m_util.mk_numeral(rational(0), m_util.is_int(arg1))),
m_util.mk_real(0),
result);
return BR_REWRITE2;
@ -1387,7 +1387,7 @@ br_status arith_rewriter::mk_power_core(expr * arg1, expr * arg2, expr_ref & res
// (^ t -k) --> (^ (/ 1 t) k)
result = m_util.mk_power(m_util.mk_div(m_util.mk_numeral(rational(1), false), arg1),
m_util.mk_numeral(-y, false));
result = m().mk_ite(m().mk_eq(arg1, m_util.mk_numeral(rational(0), m_util.is_int(arg1))),
result = m.mk_ite(m.mk_eq(arg1, m_util.mk_numeral(rational(0), m_util.is_int(arg1))),
m_util.mk_real(0),
result);
return BR_REWRITE3;
@ -1504,7 +1504,7 @@ br_status arith_rewriter::mk_to_int_core(expr * arg, expr_ref & result) {
// Try to apply simplifications such as:
// (to_int (+ 1.0 (to_real x)) y) --> (+ 1 x (to_int y))
expr_ref_buffer int_args(m()), real_args(m());
expr_ref_buffer int_args(m), real_args(m);
for (expr* c : *to_app(arg)) {
if (m_util.is_numeral(c, a) && a.is_int()) {
int_args.push_back(m_util.mk_numeral(a, true));
@ -1520,17 +1520,17 @@ br_status arith_rewriter::mk_to_int_core(expr * arg, expr_ref & result) {
return BR_FAILED;
if (real_args.empty()) {
result = m().mk_app(get_fid(), to_app(arg)->get_decl()->get_decl_kind(), int_args.size(), int_args.data());
result = m.mk_app(get_fid(), to_app(arg)->get_decl()->get_decl_kind(), int_args.size(), int_args.data());
return BR_REWRITE1;
}
if (!int_args.empty() && m_util.is_add(arg)) {
decl_kind k = to_app(arg)->get_decl()->get_decl_kind();
expr_ref t1(m().mk_app(get_fid(), k, int_args.size(), int_args.data()), m());
expr_ref t2(m().mk_app(get_fid(), k, real_args.size(), real_args.data()), m());
expr_ref t1(m.mk_app(get_fid(), k, int_args.size(), int_args.data()), m);
expr_ref t2(m.mk_app(get_fid(), k, real_args.size(), real_args.data()), m);
int_args.reset();
int_args.push_back(t1);
int_args.push_back(m_util.mk_to_int(t2));
result = m().mk_app(get_fid(), k, int_args.size(), int_args.data());
result = m.mk_app(get_fid(), k, int_args.size(), int_args.data());
return BR_REWRITE3;
}
}
@ -1550,9 +1550,9 @@ br_status arith_rewriter::mk_to_real_core(expr * arg, expr_ref & result) {
for (expr* e : *to_app(arg))
new_args.push_back(m_util.mk_to_real(e));
if (m_util.is_add(arg))
result = m().mk_app(get_fid(), OP_ADD, new_args.size(), new_args.data());
result = m.mk_app(get_fid(), OP_ADD, new_args.size(), new_args.data());
else
result = m().mk_app(get_fid(), OP_MUL, new_args.size(), new_args.data());
result = m.mk_app(get_fid(), OP_MUL, new_args.size(), new_args.data());
return BR_REWRITE2;
}
}
@ -1562,23 +1562,23 @@ br_status arith_rewriter::mk_to_real_core(expr * arg, expr_ref & result) {
br_status arith_rewriter::mk_is_int(expr * arg, expr_ref & result) {
numeral a;
if (m_util.is_numeral(arg, a)) {
result = a.is_int() ? m().mk_true() : m().mk_false();
result = a.is_int() ? m.mk_true() : m.mk_false();
return BR_DONE;
}
else if (m_util.is_to_real(arg)) {
result = m().mk_true();
result = m.mk_true();
return BR_DONE;
}
else {
result = m().mk_eq(m().mk_app(get_fid(), OP_TO_REAL,
m().mk_app(get_fid(), OP_TO_INT, arg)),
result = m.mk_eq(m.mk_app(get_fid(), OP_TO_REAL,
m.mk_app(get_fid(), OP_TO_INT, arg)),
arg);
return BR_REWRITE3;
}
}
br_status arith_rewriter::mk_abs_core(expr * arg, expr_ref & result) {
result = m().mk_ite(m_util.mk_ge(arg, m_util.mk_numeral(rational(0), m_util.is_int(arg))), arg, m_util.mk_uminus(arg));
result = m.mk_ite(m_util.mk_ge(arg, m_util.mk_numeral(rational(0), m_util.is_int(arg))), arg, m_util.mk_uminus(arg));
return BR_REWRITE2;
}
@ -1647,9 +1647,9 @@ bool arith_rewriter::is_pi_integer(expr * t) {
a = c;
b = d;
}
TRACE("tan", tout << "is_pi_integer " << mk_ismt2_pp(t, m()) << "\n";
tout << "a: " << mk_ismt2_pp(a, m()) << "\n";
tout << "b: " << mk_ismt2_pp(b, m()) << "\n";);
TRACE("tan", tout << "is_pi_integer " << mk_ismt2_pp(t, m) << "\n";
tout << "a: " << mk_ismt2_pp(a, m) << "\n";
tout << "b: " << mk_ismt2_pp(b, m) << "\n";);
return
(m_util.is_pi(a) && m_util.is_to_real(b)) ||
(m_util.is_to_real(a) && m_util.is_pi(b));
@ -1861,7 +1861,7 @@ br_status arith_rewriter::mk_tan_core(expr * arg, expr_ref & result) {
}
if (is_pi_multiple(arg, k)) {
expr_ref n(m()), d(m());
expr_ref n(m), d(m);
n = mk_sin_value(k);
if (n.get() == nullptr)
goto end;