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Merge remote-tracking branch 'upstream/master' into develop

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This commit is contained in:
Murphy Berzish 2017-03-23 13:35:58 -04:00
commit 82d472a227
20 changed files with 141 additions and 85 deletions
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8
src/ast/ast_smt2_pp.cpp
View file

@ -1002,14 +1002,6 @@ class smt2_printer {
reset_stacks();
SASSERT(&(r.get_manager()) == &(fm()));
m_soccs(n);
TRACE("smt2_pp_shared",
tout << "shared terms for:\n" << mk_pp(n, m()) << "\n";
tout << "------>\n";
shared_occs::iterator it = m_soccs.begin_shared();
shared_occs::iterator end = m_soccs.end_shared();
for (; it != end; ++it) {
tout << mk_pp(*it, m()) << "\n";
});
m_root = n;
push_frame(n, true);
while (!m_frame_stack.empty()) {

44
src/ast/rewriter/seq_rewriter.cpp
View file

@ -551,13 +551,13 @@ br_status seq_rewriter::mk_seq_extract(expr* a, expr* b, expr* c, expr_ref& resu
// case 1: pos<0 or len<0
// rewrite to ""
if ( (constantPos && pos.is_neg()) || (constantLen && len.is_neg()) ) {
result = m_util.str.mk_string(symbol(""));
result = m_util.str.mk_empty(m().get_sort(a));
return BR_DONE;
}
// case 1.1: pos >= length(base)
// rewrite to ""
if (constantBase && constantPos && pos.get_unsigned() >= s.length()) {
result = m_util.str.mk_string(symbol(""));
result = m_util.str.mk_empty(m().get_sort(a));
return BR_DONE;
}
@ -663,20 +663,21 @@ br_status seq_rewriter::mk_seq_contains(expr* a, expr* b, expr_ref& result) {
br_status seq_rewriter::mk_seq_at(expr* a, expr* b, expr_ref& result) {
zstring c;
rational r;
if (m_util.str.is_string(a, c) && m_autil.is_numeral(b, r)) {
if (m_autil.is_numeral(b, r)) {
if (r.is_neg()) {
result = m_util.str.mk_string(symbol(""));
result = m_util.str.mk_empty(m().get_sort(a));
return BR_DONE;
}
unsigned len = 0;
bool bounded = min_length(1, &a, len);
if (bounded && r >= rational(len)) {
result = m_util.str.mk_empty(m().get_sort(a));
return BR_DONE;
} else if (r.is_unsigned()) {
unsigned j = r.get_unsigned();
if (j < c.length()) {
result = m_util.str.mk_string(c.extract(j, 1));
return BR_DONE;
} else {
result = m_util.str.mk_string(symbol(""));
return BR_DONE;
}
}
if (m_util.str.is_string(a, c) && r.is_unsigned() && r < rational(c.length())) {
result = m_util.str.mk_string(c.extract(r.get_unsigned(), 1));
return BR_DONE;
}
}
return BR_FAILED;
}
@ -734,6 +735,7 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
bool isc2 = m_util.str.is_string(b, s2);
if (isc1 && isc2) {
result = m().mk_bool_val(s1.prefixof(s2));
TRACE("seq", tout << result << "\n";);
return BR_DONE;
}
if (m_util.str.is_empty(a)) {
@ -747,6 +749,7 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
expr_ref_vector as(m()), bs(m());
if (a1 != b1 && isc1 && isc2) {
TRACE("seq", tout << s1 << " " << s2 << "\n";);
if (s1.length() <= s2.length()) {
if (s1.prefixof(s2)) {
if (a == a1) {
@ -791,26 +794,27 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
m_util.str.get_concat(a, as);
m_util.str.get_concat(b, bs);
unsigned i = 0;
bool all_values = true;
expr_ref_vector eqs(m());
for (; i < as.size() && i < bs.size(); ++i) {
expr* a = as[i].get(), *b = bs[i].get();
if (a == b) {
continue;
}
all_values &= m().is_value(a) && m().is_value(b);
if (all_values) {
result = m().mk_false();
return BR_DONE;
}
if (m_util.str.is_unit(a) && m_util.str.is_unit(b)) {
eqs.push_back(m().mk_eq(a, b));
continue;
}
if (m().is_value(a) && m().is_value(b) && m_util.str.is_string(a) && m_util.str.is_string(b)) {
TRACE("seq", tout << mk_pp(a, m()) << " != " << mk_pp(b, m()) << "\n";);
result = m().mk_false();
return BR_DONE;
}
break;
}
if (i == as.size()) {
result = mk_and(eqs);
TRACE("seq", tout << result << "\n";);
if (m().is_true(result)) {
return BR_DONE;
}
@ -822,6 +826,7 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
eqs.push_back(m().mk_eq(m_util.str.mk_empty(m().get_sort(a)), as[j].get()));
}
result = mk_and(eqs);
TRACE("seq", tout << result << "\n";);
return BR_REWRITE3;
}
if (i > 0) {
@ -829,6 +834,7 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
a = m_util.str.mk_concat(as.size() - i, as.c_ptr() + i);
b = m_util.str.mk_concat(bs.size() - i, bs.c_ptr() + i);
result = m_util.str.mk_prefix(a, b);
TRACE("seq", tout << result << "\n";);
return BR_DONE;
}
else {

25
src/ast/simplifier/bv_simplifier_plugin.cpp
View file

@ -1517,13 +1517,24 @@ void bv_simplifier_plugin::mk_bv2int(expr * arg, sort* range, expr_ref & result)
result = m_arith.mk_add(tmp1, tmp2);
}
// commented out to reproduce bug in reduction of int2bv/bv2int
else if (m_util.is_concat(arg)) {
expr_ref tmp1(m_manager), tmp2(m_manager);
unsigned sz2 = get_bv_size(to_app(arg)->get_arg(1));
mk_bv2int(to_app(arg)->get_arg(0), range, tmp1);
mk_bv2int(to_app(arg)->get_arg(1), range, tmp2);
tmp1 = m_arith.mk_mul(m_arith.mk_numeral(power(numeral(2), sz2), true), tmp1);
result = m_arith.mk_add(tmp1, tmp2);
else if (m_util.is_concat(arg) && to_app(arg)->get_num_args() > 0) {
expr_ref_vector args(m_manager);
unsigned num_args = to_app(arg)->get_num_args();
for (unsigned i = 0; i < num_args; ++i) {
expr_ref tmp(m_manager);
mk_bv2int(to_app(arg)->get_arg(i), range, tmp);
args.push_back(tmp);
}
unsigned sz = get_bv_size(to_app(arg)->get_arg(num_args-1));
for (unsigned i = num_args - 1; i > 0; ) {
expr_ref tmp(m_manager);
--i;
tmp = args[i].get();
tmp = m_arith.mk_mul(m_arith.mk_numeral(power(numeral(2), sz), true), tmp);
args[i] = tmp;
sz += get_bv_size(to_app(arg)->get_arg(i));
}
result = m_arith.mk_add(args.size(), args.c_ptr());
}
else {
parameter parameter(range);

7
src/muz/transforms/dl_mk_array_blast.cpp
View file

@ -126,6 +126,12 @@ namespace datalog {
app* s;
var* v;
// disable Ackerman reduction if head contains a non-variable or non-constant argument.
for (unsigned i = 0; i < to_app(head)->get_num_args(); ++i) {
expr* arg = to_app(head)->get_arg(i);
if (!is_var(arg) && !m.is_value(arg)) return false;
}
for (unsigned i = 0; i < conjs.size(); ++i) {
expr* e = conjs[i].get();
if (is_select_eq_var(e, s, v)) {
@ -281,6 +287,7 @@ namespace datalog {
m_rewriter(body);
sub(head);
m_rewriter(head);
TRACE("dl", tout << body << " => " << head << "\n";);
change = ackermanize(r, body, head);
if (!change) {
rules.add_rule(&r);

4
src/muz/transforms/dl_mk_interp_tail_simplifier.cpp
View file

@ -394,10 +394,6 @@ namespace datalog {
m_simp(a, simp1_res);
(*m_rw)(simp1_res.get(), res);
/*if (simp1_res.get()!=res.get()) {
std::cout<<"pre norm:\n"<<mk_pp(simp1_res.get(),m)<<"post norm:\n"<<mk_pp(res.get(),m)<<"\n";
}*/
m_simp(res.get(), res);
}

1
src/opt/opt_solver.cpp
View file

@ -50,6 +50,7 @@ namespace opt {
if (m_params.m_case_split_strategy == CS_ACTIVITY_DELAY_NEW) {
m_params.m_relevancy_lvl = 0;
}
// m_params.m_auto_config = false;
}
unsigned opt_solver::m_dump_count = 0;

11
src/sat/sat_asymm_branch.cpp
View file

@ -96,7 +96,6 @@ namespace sat {
if (!process(c))
continue; // clause was removed
*it2 = *it;
// throw exception to test bug fix: if (it2 != it) throw solver_exception("trigger bug");
++it2;
}
s.m_clauses.set_end(it2);
@ -129,14 +128,14 @@ namespace sat {
// check if the clause is already satisfied
for (i = 0; i < sz; i++) {
if (s.value(c[i]) == l_true) {
s.dettach_clause(c);
s.detach_clause(c);
s.del_clause(c);
return false;
}
}
// try asymmetric branching
// clause must not be used for propagation
s.dettach_clause(c);
solver::scoped_detach scoped_d(s, c);
s.push();
for (i = 0; i < sz - 1; i++) {
literal l = c[i];
@ -154,7 +153,6 @@ namespace sat {
SASSERT(s.m_qhead == s.m_trail.size());
if (i == sz - 1) {
// clause size can't be reduced.
s.attach_clause(c);
return true;
}
// clause can be reduced
@ -188,19 +186,18 @@ namespace sat {
case 1:
TRACE("asymm_branch", tout << "produced unit clause: " << c[0] << "\n";);
s.assign(c[0], justification());
s.del_clause(c);
s.propagate_core(false);
scoped_d.del_clause();
SASSERT(s.inconsistent() || s.m_qhead == s.m_trail.size());
return false; // check_missed_propagation() may fail, since m_clauses is not in a consistent state.
case 2:
SASSERT(s.value(c[0]) == l_undef && s.value(c[1]) == l_undef);
s.mk_bin_clause(c[0], c[1], false);
s.del_clause(c);
scoped_d.del_clause();
SASSERT(s.m_qhead == s.m_trail.size());
return false;
default:
c.shrink(new_sz);
s.attach_clause(c);
SASSERT(s.m_qhead == s.m_trail.size());
return true;
}

2
src/sat/sat_elim_eqs.cpp
View file

@ -94,7 +94,7 @@ namespace sat {
continue;
}
if (!c.frozen())
m_solver.dettach_clause(c);
m_solver.detach_clause(c);
// apply substitution
for (i = 0; i < sz; i++) {
SASSERT(!m_solver.was_eliminated(c[i].var()));

22
src/sat/sat_simplifier.cpp
View file

@ -168,14 +168,13 @@ namespace sat {
m_need_cleanup = false;
m_use_list.init(s.num_vars());
init_visited();
bool learned_in_use_lists = false;
m_learned_in_use_lists = false;
if (learned) {
register_clauses(s.m_learned);
learned_in_use_lists = true;
m_learned_in_use_lists = true;
}
register_clauses(s.m_clauses);
if (!learned && (m_elim_blocked_clauses || m_elim_blocked_clauses_at == m_num_calls))
elim_blocked_clauses();
@ -184,7 +183,9 @@ namespace sat {
m_sub_counter = m_subsumption_limit;
m_elim_counter = m_res_limit;
unsigned old_num_elim_vars = m_num_elim_vars;
m_old_num_elim_vars = m_num_elim_vars;
scoped_finalize _scoped_finalize(*this);
do {
if (m_subsumption)
@ -199,20 +200,22 @@ namespace sat {
break;
}
while (!m_sub_todo.empty());
}
bool vars_eliminated = m_num_elim_vars > old_num_elim_vars;
void simplifier::scoped_finalize_fn() {
bool vars_eliminated = m_num_elim_vars > m_old_num_elim_vars;
if (m_need_cleanup) {
TRACE("after_simplifier", tout << "cleanning watches...\n";);
cleanup_watches();
cleanup_clauses(s.m_learned, true, vars_eliminated, learned_in_use_lists);
cleanup_clauses(s.m_learned, true, vars_eliminated, m_learned_in_use_lists);
cleanup_clauses(s.m_clauses, false, vars_eliminated, true);
}
else {
TRACE("after_simplifier", tout << "skipping cleanup...\n";);
if (vars_eliminated) {
// must remove learned clauses with eliminated variables
cleanup_clauses(s.m_learned, true, true, learned_in_use_lists);
cleanup_clauses(s.m_learned, true, true, m_learned_in_use_lists);
}
}
CASSERT("sat_solver", s.check_invariant());
@ -279,7 +282,10 @@ namespace sat {
unsigned sz = c.size();
if (sz == 0) {
s.set_conflict(justification());
return;
for (; it != end; ++it, ++it2) {
*it2 = *it;
}
break;
}
if (sz == 1) {
s.assign(c[0], justification());

11
src/sat/sat_simplifier.h
View file

@ -91,6 +91,9 @@ namespace sat {
unsigned m_num_sub_res;
unsigned m_num_elim_lits;
bool m_learned_in_use_lists;
unsigned m_old_num_elim_vars;
struct size_lt {
bool operator()(clause const * c1, clause const * c2) const { return c1->size() > c2->size(); }
};
@ -170,6 +173,14 @@ namespace sat {
struct subsumption_report;
struct elim_var_report;
class scoped_finalize {
simplifier& s;
public:
scoped_finalize(simplifier& s) : s(s) {}
~scoped_finalize() { s.scoped_finalize_fn(); }
};
void scoped_finalize_fn();
public:
simplifier(solver & s, params_ref const & p);
~simplifier();

24
src/sat/sat_solver.cpp
View file

@ -462,25 +462,25 @@ namespace sat {
return simplify_clause_core<false>(num_lits, lits);
}
void solver::dettach_bin_clause(literal l1, literal l2, bool learned) {
void solver::detach_bin_clause(literal l1, literal l2, bool learned) {
get_wlist(~l1).erase(watched(l2, learned));
get_wlist(~l2).erase(watched(l1, learned));
}
void solver::dettach_clause(clause & c) {
void solver::detach_clause(clause & c) {
if (c.size() == 3)
dettach_ter_clause(c);
detach_ter_clause(c);
else
dettach_nary_clause(c);
detach_nary_clause(c);
}
void solver::dettach_nary_clause(clause & c) {
void solver::detach_nary_clause(clause & c) {
clause_offset cls_off = get_offset(c);
erase_clause_watch(get_wlist(~c[0]), cls_off);
erase_clause_watch(get_wlist(~c[1]), cls_off);
}
void solver::dettach_ter_clause(clause & c) {
void solver::detach_ter_clause(clause & c) {
erase_ternary_watch(get_wlist(~c[0]), c[1], c[2]);
erase_ternary_watch(get_wlist(~c[1]), c[0], c[2]);
erase_ternary_watch(get_wlist(~c[2]), c[0], c[1]);
@ -1493,7 +1493,7 @@ namespace sat {
for (unsigned i = new_sz; i < sz; i++) {
clause & c = *(m_learned[i]);
if (can_delete(c)) {
dettach_clause(c);
detach_clause(c);
del_clause(c);
}
else {
@ -1551,7 +1551,7 @@ namespace sat {
else {
c.inc_inact_rounds();
if (c.inact_rounds() > m_config.m_gc_k) {
dettach_clause(c);
detach_clause(c);
del_clause(c);
m_stats.m_gc_clause++;
deleted++;
@ -1562,7 +1562,7 @@ namespace sat {
if (psm(c) > static_cast<unsigned>(c.size() * m_min_d_tk)) {
// move to frozen;
TRACE("sat_frozen", tout << "freezing size: " << c.size() << " psm: " << psm(c) << " " << c << "\n";);
dettach_clause(c);
detach_clause(c);
c.reset_inact_rounds();
c.freeze();
m_num_frozen++;
@ -2595,7 +2595,7 @@ namespace sat {
}
else {
clause & c = *(cw.get_clause());
dettach_clause(c);
detach_clause(c);
attach_clause(c, reinit);
if (scope_lvl() > 0 && reinit) {
// clause propagated literal, must keep it in the reinit stack.
@ -2628,7 +2628,7 @@ namespace sat {
for (unsigned i = 0; i < clauses.size(); ++i) {
clause & c = *(clauses[i]);
if (c.contains(lit)) {
dettach_clause(c);
detach_clause(c);
del_clause(c);
}
else {
@ -2646,7 +2646,7 @@ namespace sat {
literal l1 = m_user_bin_clauses[i].first;
literal l2 = m_user_bin_clauses[i].second;
if (nlit == l1 || nlit == l2) {
dettach_bin_clause(l1, l2, learned);
detach_bin_clause(l1, l2, learned);
}
}
}

27
src/sat/sat_solver.h
View file

@ -195,15 +195,34 @@ namespace sat {
bool attach_nary_clause(clause & c);
void attach_clause(clause & c, bool & reinit);
void attach_clause(clause & c) { bool reinit; attach_clause(c, reinit); }
class scoped_detach {
solver& s;
clause& c;
bool m_deleted;
public:
scoped_detach(solver& s, clause& c): s(s), c(c), m_deleted(false) {
s.detach_clause(c);
}
~scoped_detach() {
if (!m_deleted) s.attach_clause(c);
}
void del_clause() {
if (!m_deleted) {
s.del_clause(c);
m_deleted = true;
}
}
};
unsigned select_watch_lit(clause const & cls, unsigned starting_at) const;
unsigned select_learned_watch_lit(clause const & cls) const;
bool simplify_clause(unsigned & num_lits, literal * lits) const;
template<bool lvl0>
bool simplify_clause_core(unsigned & num_lits, literal * lits) const;
void dettach_bin_clause(literal l1, literal l2, bool learned);
void dettach_clause(clause & c);
void dettach_nary_clause(clause & c);
void dettach_ter_clause(clause & c);
void detach_bin_clause(literal l1, literal l2, bool learned);
void detach_clause(clause & c);
void detach_nary_clause(clause & c);
void detach_ter_clause(clause & c);
void push_reinit_stack(clause & c);
// -----------------------

7
src/smt/theory_arith_core.h
View file

@ -40,7 +40,7 @@ namespace smt {
template<typename Ext>
void theory_arith<Ext>::found_underspecified_op(app * n) {
if (!m_found_underspecified_op) {
TRACE("arith", tout << "found non underspecificed expression:\n" << mk_pp(n, get_manager()) << "\n";);
TRACE("arith", tout << "found underspecificed expression:\n" << mk_pp(n, get_manager()) << "\n";);
get_context().push_trail(value_trail<context, bool>(m_found_underspecified_op));
m_found_underspecified_op = true;
}
@ -395,6 +395,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_div(app * n) {
if (!m_util.is_numeral(n->get_arg(1))) found_underspecified_op(n);
found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
@ -418,7 +419,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_mod(app * n) {
TRACE("arith_mod", tout << "internalizing...\n" << mk_pp(n, get_manager()) << "\n";);
found_underspecified_op(n);
if (!m_util.is_numeral(n->get_arg(1))) found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy())
@ -428,7 +429,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_rem(app * n) {
found_underspecified_op(n);
if (!m_util.is_numeral(n->get_arg(1))) found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy()) {

6
src/smt/theory_arith_int.h
View file

@ -206,7 +206,8 @@ namespace smt {
numeral k = ceil(get_value(v));
rational _k = k.to_rational();
expr_ref bound(get_manager());
bound = m_util.mk_ge(get_enode(v)->get_owner(), m_util.mk_numeral(_k, true));
expr* e = get_enode(v)->get_owner();
bound = m_util.mk_ge(e, m_util.mk_numeral(_k, m_util.is_int(e)));
TRACE("arith_int", tout << mk_bounded_pp(bound, get_manager()) << "\n";);
context & ctx = get_context();
ctx.internalize(bound, true);
@ -371,7 +372,7 @@ namespace smt {
ctx.mk_th_axiom(get_id(), l1, l2);
TRACE("theory_arith_int",
TRACE("arith_int",
tout << "cut: (or " << mk_pp(p1, get_manager()) << " " << mk_pp(p2, get_manager()) << ")\n";
);
@ -1407,6 +1408,7 @@ namespace smt {
if (m_params.m_arith_int_eq_branching && branch_infeasible_int_equality()) {
return FC_CONTINUE;
}
theory_var int_var = find_infeasible_int_base_var();
if (int_var != null_theory_var) {
TRACE("arith_int", tout << "v" << int_var << " does not have an integer assignment: " << get_value(int_var) << "\n";);

5
src/smt/theory_bv.cpp
View file

@ -607,12 +607,13 @@ namespace smt {
}
expr_ref sum(m);
arith_simp().mk_add(sz, args.c_ptr(), sum);
literal l(mk_eq(n, sum, false));
TRACE("bv",
tout << mk_pp(n, m) << "\n";
tout << mk_pp(sum, m) << "\n";
ctx.display_literal_verbose(tout, l);
tout << "\n";
);
literal l(mk_eq(n, sum, false));
ctx.mark_as_relevant(l);
ctx.mk_th_axiom(get_id(), 1, &l);

9
src/smt/theory_dense_diff_logic_def.h
View file

@ -901,7 +901,7 @@ namespace smt {
objective_term const& objective = m_objectives[v];
has_shared = false;
IF_VERBOSE(1,
IF_VERBOSE(4,
for (unsigned i = 0; i < objective.size(); ++i) {
verbose_stream() << objective[i].second
<< " * v" << objective[i].first << " ";
@ -991,9 +991,12 @@ namespace smt {
if (num_nodes <= v && v < num_nodes + num_edges) {
unsigned edge_id = v - num_nodes;
literal lit = m_edges[edge_id].m_justification;
get_context().literal2expr(lit, tmp);
core.push_back(tmp);
if (lit != null_literal) {
get_context().literal2expr(lit, tmp);
core.push_back(tmp);
}
}
TRACE("opt", tout << core << "\n";);
}
for (unsigned i = 0; i < num_nodes; ++i) {
mpq_inf const& val = S.get_value(i);

7
src/smt/theory_seq.cpp
View file

@ -2719,7 +2719,9 @@ bool theory_seq::can_propagate() {
expr_ref theory_seq::canonize(expr* e, dependency*& eqs) {
expr_ref result = expand(e, eqs);
TRACE("seq", tout << mk_pp(e, m) << " expands to " << result << "\n";);
m_rewrite(result);
TRACE("seq", tout << mk_pp(e, m) << " rewrites to " << result << "\n";);
return result;
}
@ -4469,10 +4471,11 @@ bool theory_seq::canonizes(bool sign, expr* e) {
context& ctx = get_context();
dependency* deps = 0;
expr_ref cont = canonize(e, deps);
TRACE("seq", tout << mk_pp(e, m) << " -> " << cont << "\n";);
TRACE("seq", tout << mk_pp(e, m) << " -> " << cont << "\n";
if (deps) display_deps(tout, deps););
if ((m.is_true(cont) && !sign) ||
(m.is_false(cont) && sign)) {
TRACE("seq", display(tout););
TRACE("seq", display(tout); tout << ctx.get_assignment(ctx.get_literal(e)) << "\n";);
propagate_lit(deps, 0, 0, ctx.get_literal(e));
return true;
}

1
src/util/hwf.cpp
View file

@ -52,6 +52,7 @@ Revision History:
#ifdef USE_INTRINSICS
#include <emmintrin.h>
#include <smmintrin.h>
#endif
hwf_manager::hwf_manager() :

3
src/util/hwf.h
View file

@ -88,9 +88,6 @@ public:
bool is_pzero(hwf const & x);
bool is_one(hwf const & x);
// structural eq
bool eq_core(hwf const & x, hwf const & y);
bool eq(hwf const & x, hwf const & y);
bool lt(hwf const & x, hwf const & y);

2
src/util/small_object_allocator.cpp
View file

@ -70,6 +70,7 @@ void small_object_allocator::reset() {
void small_object_allocator::deallocate(size_t size, void * p) {
if (size == 0) return;
#if defined(Z3DEBUG) && !defined(_WINDOWS)
// Valgrind friendly
memory::deallocate(p);
@ -93,6 +94,7 @@ void small_object_allocator::deallocate(size_t size, void * p) {
void * small_object_allocator::allocate(size_t size) {
if (size == 0) return 0;
#if defined(Z3DEBUG) && !defined(_WINDOWS)
// Valgrind friendly
return memory::allocate(size);