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dot: fix printing of alternating automata

Browse source 
Related to #208.

* spot/twaalgos/dot.cc: Fix missing definitions of universal nodes,
and inclusion of universal nodes inside of SCC when none of the
destination comes back to the SCC.
* tests/python/_altscc.ipynb: Adjust and add more test cases.
* tests/core/alternating.test, tests/core/neverclaimread.test,
tests/core/readsave.test, tests/core/sccdot.test,
tests/python/decompose.ipynb: Adjust test cases.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2017-05-31 17:14:52 +02:00
parent 617a7187b3
commit 97f3efabe3
8 changed files with 1603 additions and 1173 deletions
Download patch file Download diff file Expand all files Collapse all files

5
NEWS
View file

@ -108,6 +108,11 @@ New in spot 2.3.4.dev (not yet released)
single ltl2tgba run could produce automata different from those
produced by individual runs.
- The print_dot() function had a couple of issues when printing
alternating automata: in particular, when using flag 's' (display
SCC) or 'y' (split universal destination by colors) universal
edges could be connected to undefined states.
Backward-incompatible changes:
- spot::acc_cond::mark_t::operator bool() has been marked as

87
spot/twaalgos/dot.cc
View file

@ -70,6 +70,8 @@ namespace spot
std::vector<unsigned>* orig_ = nullptr;
std::set<unsigned>* incomplete_ = nullptr;
std::string* name_ = nullptr;
std::map<std::pair<int, int>, int> univ_done;
acc_cond::mark_t inf_sets_ = 0U;
acc_cond::mark_t fin_sets_ = 0U;
unsigned opt_shift_sets_ = 0;
@ -371,22 +373,27 @@ namespace spot
return bdd_format_formula(aut_->get_dict(), label);
}
std::set<std::pair<int, int>> done;
void
print_dst(int dst, const char* style = nullptr, int scc_num = -1,
int color_num = -1)
std::string string_dst(int dst, int color_num = -1)
{
std::ostringstream tmp_dst;
tmp_dst << dst;
if (scc_num >= 0)
tmp_dst << '.' << scc_num;
if (!done.emplace(std::make_pair(dst, color_num)).second)
return;
else if (!opt_shared_univ_dest_ && color_num > 0)
if (!opt_shared_univ_dest_ && color_num >= 0)
tmp_dst << '.' << color_num;
std::string dest = tmp_dst.str();
return tmp_dst.str();
}
void
print_dst(int dst, bool print_edges = false,
const char* style = nullptr, int color_num = -1)
{
int& univ = univ_done[std::make_pair(dst, color_num)];
if (univ == 2)
return;
std::string dest = string_dst(dst, color_num);
if (univ == 0)
os_ << " " << dest << " [label=<>,shape=point]\n";
if (print_edges)
{
for (unsigned d: aut_->univ_dests(dst))
{
os_ << " " << dest << " -> " << d;
@ -394,6 +401,12 @@ namespace spot
os_ << " [" << style << ']';
os_ << '\n';
}
univ = 2;
}
else
{
univ = 1;
}
}
void
@ -483,14 +496,9 @@ namespace spot
int init = (int) aut_->get_init_state_number();
os_ << "=0]\n I -> " << init;
if (init >= 0)
{
os_ << '\n';
}
else
{
os_ << " [arrowhead=onormal]\n";
print_dst(init);
}
}
void
@ -597,18 +605,17 @@ namespace spot
void
process_link(const twa_graph::edge_storage_t& t, int number,
int scc_num = -1)
bool print_edges)
{
if (print_edges)
{
os_ << " " << t.src << " -> " << (int)t.dst;
if (scc_num >= 0)
{
os_ << '.' << scc_num;
}
if (aut_->is_univ_dest(t.dst) && highlight_edges_
&& !opt_shared_univ_dest_)
{
auto idx = aut_->get_graph().index_of_edge(t);
auto iter = highlight_edges_->find(idx);
if (iter != highlight_edges_->end())
os_ << '.' << iter->second % palette_mod;
}
std::string label;
@ -651,9 +658,10 @@ namespace spot
os_ << '#' << aut_->get_graph().index_of_edge(t);
os_ << '"';
}
}
std::string highlight;
auto color_num = -1;
int color_num = -1;
if (highlight_edges_)
{
auto idx = aut_->get_graph().index_of_edge(t);
@ -665,21 +673,20 @@ namespace spot
<< palette[iter->second % palette_mod]
<< '"';
highlight = o.str();
if (print_edges)
os_ << ", " << highlight;
if (!opt_shared_univ_dest_)
color_num = iter->second % palette_mod;
}
}
if (print_edges)
{
if (aut_->is_univ_dest(t.dst))
os_ << ", arrowhead=onormal";
os_ << "]\n";
if (aut_->is_univ_dest(t.dst))
{
if (color_num >= 0)
print_dst(t.dst, highlight.c_str(), scc_num, color_num);
else
print_dst(t.dst, highlight.c_str(), scc_num);
}
if (aut_->is_univ_dest(t.dst))
print_dst(t.dst, print_edges, highlight.c_str(), color_num);
}
void print(const const_twa_graph_ptr& aut)
@ -787,39 +794,29 @@ namespace spot
{
process_state(s);
int trans_num = 0;
unsigned scc_of_s = si->scc_of(s);
for (auto& t : aut_->out(s))
{
if (aut_->is_univ_dest(t.dst))
{
bool to_write = false;
for (unsigned d: aut_->univ_dests(t.dst))
if (si->scc_of(d) == scc_of_s)
{
to_write = si->scc_of(d) == si->scc_of(s);
if (to_write)
process_link(t, trans_num++, false);
break;
}
if (to_write)
process_link(t, trans_num++, i);
else
process_link(t, trans_num++);
}
else
process_link(t, trans_num++);
}
}
os_ << " }\n";
}
}
int init = (int) aut_->get_init_state_number();
if (init < 0)
print_dst(init, true);
unsigned ns = aut_->num_states();
for (unsigned n = 0; n < ns; ++n)
{
if (!si || !si->reachable_state(n))
{
process_state(n);
int trans_num = 0;
for (auto& t: aut_->out(n))
process_link(t, trans_num++);
}
process_link(t, trans_num++, true);
}
end();
}

156
tests/core/alternating.test
View file

@ -62,56 +62,45 @@ digraph G {
labelloc="t"
I [label="", style=invis, width=0]
I -> -11 [arrowhead=onormal]
-11 [label=<>,shape=point]
-11 -> 0
-11 -> 2
subgraph cluster_0 {
color=green
label=""
2 [label="G(a)"]
2 -> 2 [label="a"]
}
subgraph cluster_1 {
color=red
label=""
1 [label="FG(a)\n⓿"]
1 -> 2 [label="a"]
1 -> 1 [label="1"]
}
subgraph cluster_2 {
color=green
label=""
6 [label="t"]
6 -> 6 [label="1"]
}
subgraph cluster_3 {
color=red
label=""
4 [label="F(b)\n⓿"]
4 -> 6 [label="b"]
4 -> 4 [label="!b"]
}
subgraph cluster_4 {
color=green
label=""
3 [label="GF(b)"]
3 -> 3 [label="b"]
3 -> -8.4 [label="!b", style=bold, color="#FAA43A", arrowhead=onormal]
-8.4 [label=<>,shape=point]
-8.4 -> 3 [style=bold, color="#FAA43A"]
-8.4 -> 4 [style=bold, color="#FAA43A"]
-8 [label=<>,shape=point]
}
subgraph cluster_5 {
color=red
label=""
5 [label="((a) U (b))\n⓿"]
5 -> 6 [label="b"]
5 -> 5 [label="a & !b"]
}
subgraph cluster_6 {
color=black
label=""
0 [label="((((a) U (b)) && GF(b)) && FG(a))"]
}
-11 [label=<>,shape=point]
-11 -> 0
-11 -> 2
0 -> -1 [label="b", arrowhead=onormal]
-1 [label=<>,shape=point]
-1 -> 1
@ -121,7 +110,18 @@ digraph G {
-4 -> 1 [style=bold, color="#F15854"]
-4 -> 3 [style=bold, color="#F15854"]
-4 -> 5 [style=bold, color="#F15854"]
}
1 -> 2 [label="a"]
1 -> 1 [label="1"]
2 -> 2 [label="a"]
3 -> 3 [label="b"]
3 -> -8 [label="!b", style=bold, color="#FAA43A", arrowhead=onormal]
-8 -> 3 [style=bold, color="#FAA43A"]
-8 -> 4 [style=bold, color="#FAA43A"]
4 -> 6 [label="b"]
4 -> 4 [label="!b"]
5 -> 6 [label="b"]
5 -> 5 [label="a & !b"]
6 -> 6 [label="1"]
}
EOF
@ -574,52 +574,52 @@ digraph G {
color=green
label=""
4 [label="t"]
4 -> 4 [label=<1>]
}
subgraph cluster_1 {
color=green
label=""
1 [label="G(a & b)"]
1 -> 1 [label=<a &amp; b>]
}
subgraph cluster_2 {
color=red
label=""
2 [label="F!a"]
2 -> 4 [label=<!a>]
2 -> 2 [label=<a<br/><font color="#F17CB0">❶</font>>]
}
subgraph cluster_3 {
color=red
label=""
3 [label="F!b"]
3 -> 4 [label=<!b>]
3 -> 3 [label=<b<br/><font color="#5DA5DA">⓿</font>>]
}
subgraph cluster_4 {
color=green
label=""
0 [label="c R (c | G(a & b) | (F!b & F!a))"]
-1 [label=<>,shape=point]
-4 [label=<>,shape=point]
-7 [label=<>,shape=point]
-10 [label=<>,shape=point]
}
0 -> 4 [label=<c>]
0 -> 0 [label=<!a &amp; !b &amp; !c>]
0 -> -1.4 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-1.4 [label=<>,shape=point]
-1.4 -> 0
-1.4 -> 1
0 -> -4.4 [label=<a &amp; !b &amp; !c>, arrowhead=onormal]
-4.4 [label=<>,shape=point]
-4.4 -> 0
-4.4 -> 2
0 -> -7.4 [label=<!a &amp; b &amp; !c>, arrowhead=onormal]
-7.4 [label=<>,shape=point]
-7.4 -> 0
-7.4 -> 3
0 -> -10.4 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-10.4 [label=<>,shape=point]
-10.4 -> 0
-10.4 -> 2
-10.4 -> 3
}
0 -> -1 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-1 -> 0
-1 -> 1
0 -> -4 [label=<a &amp; !b &amp; !c>, arrowhead=onormal]
-4 -> 0
-4 -> 2
0 -> -7 [label=<!a &amp; b &amp; !c>, arrowhead=onormal]
-7 -> 0
-7 -> 3
0 -> -10 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-10 -> 0
-10 -> 2
-10 -> 3
1 -> 1 [label=<a &amp; b>]
2 -> 4 [label=<!a>]
2 -> 2 [label=<a<br/><font color="#F17CB0">❶</font>>]
3 -> 4 [label=<!b>]
3 -> 3 [label=<b<br/><font color="#5DA5DA">⓿</font>>]
4 -> 4 [label=<1>]
}
EOF
@ -670,48 +670,48 @@ digraph G {
color=green
label=""
4 [label="t"]
4 -> 4 [label=<1>]
}
subgraph cluster_1 {
color=red
label=""
2 [label="F!a"]
2 -> 4 [label=<!a>]
2 -> 2 [label=<a<br/><font color="#F17CB0">❶</font>>]
}
subgraph cluster_2 {
color=red
label=""
3 [label="F!b"]
3 -> 4 [label=<!b>]
3 -> 3 [label=<b<br/><font color="#5DA5DA">⓿</font>>]
}
subgraph cluster_3 {
color=green
label=""
0 [label="c R (c | G(a & b) | (F!b & F!a))"]
-1 [label=<>,shape=point]
-4 [label=<>,shape=point]
-7 [label=<>,shape=point]
1 [label="G(a & b)"]
-10 [label=<>,shape=point]
}
0 -> 4 [label=<c>]
0 -> 0 [label=<!a &amp; !b &amp; !c>]
0 -> -1.3 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-1.3 [label=<>,shape=point]
-1.3 -> 0
-1.3 -> 1
0 -> -4.3 [label=<a &amp; !b &amp; !c>, arrowhead=onormal]
-4.3 [label=<>,shape=point]
-4.3 -> 0
-4.3 -> 2
0 -> -7.3 [label=<!a &amp; b &amp; !c>, arrowhead=onormal]
-7.3 [label=<>,shape=point]
-7.3 -> 0
-7.3 -> 3
1 [label="G(a & b)"]
0 -> -1 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-1 -> 0
-1 -> 1
0 -> -4 [label=<a &amp; !b &amp; !c>, arrowhead=onormal]
-4 -> 0
-4 -> 2
0 -> -7 [label=<!a &amp; b &amp; !c>, arrowhead=onormal]
-7 -> 0
-7 -> 3
1 -> 1 [label=<a &amp; b>]
1 -> -10.3 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-10.3 [label=<>,shape=point]
-10.3 -> 0
-10.3 -> 2
-10.3 -> 3
}
1 -> -10 [label=<a &amp; b &amp; !c>, arrowhead=onormal]
-10 -> 0
-10 -> 2
-10 -> 3
2 -> 4 [label=<!a>]
2 -> 2 [label=<a<br/><font color="#F17CB0">❶</font>>]
3 -> 4 [label=<!b>]
3 -> 3 [label=<b<br/><font color="#5DA5DA">⓿</font>>]
4 -> 4 [label=<1>]
}
EOF
@ -853,35 +853,35 @@ digraph G {
color=green
label=""
3 [label="t"]
3 -> 3 [label=<1>]
}
subgraph cluster_1 {
color=green
label=""
1 [label="Fa"]
1 -> 3 [label=<a>]
1 -> 1 [label=<!a>]
}
subgraph cluster_2 {
color=green
label=""
2 [label="G!a"]
2 -> 2 [label=<!a>]
}
subgraph cluster_3 {
color=green
label=""
0 [label="G((b & Fa) | (!b & G!a))"]
0 -> 0 [label=<a &amp; b>]
0 -> -1.3 [label=<!a &amp; b>, arrowhead=onormal]
-1.3 [label=<>,shape=point]
-1.3 -> 0
-1.3 -> 1
0 -> -4.3 [label=<!a &amp; !b>, arrowhead=onormal]
-4.3 [label=<>,shape=point]
-4.3 -> 0
-4.3 -> 2
-1 [label=<>,shape=point]
-4 [label=<>,shape=point]
}
0 -> 0 [label=<a &amp; b>]
0 -> -1 [label=<!a &amp; b>, arrowhead=onormal]
-1 -> 0
-1 -> 1
0 -> -4 [label=<!a &amp; !b>, arrowhead=onormal]
-4 -> 0
-4 -> 2
1 -> 3 [label=<a>]
1 -> 1 [label=<!a>]
2 -> 2 [label=<!a>]
3 -> 3 [label=<1>]
}
EOF

8
tests/core/neverclaimread.test
View file

@ -1,7 +1,7 @@
#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015 Laboratoire de
# Recherche et Développement de l'Epita (LRDE).
# Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015, 2017 Laboratoire
# de Recherche et Développement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
#
@ -336,15 +336,15 @@ digraph G {
color=green
label=""
1 [label="1", peripheries=2]
1 -> 1 [label="1"]
}
subgraph cluster_1 {
color=red
label=""
0 [label="0"]
}
0 -> 1 [label="b"]
0 -> 0 [label="0"]
}
1 -> 1 [label="1"]
}
EOF
diff stdout expected

8
tests/core/readsave.test
View file

@ -327,21 +327,21 @@ digraph G {
subgraph cluster_0 {
color=green
1 [label="s1", peripheries=2]
1 -> 1 [label="a"]
}
subgraph cluster_1 {
color=green
0 [label="s0", peripheries=2]
0 -> 0 [label="b"]
}
subgraph cluster_2 {
color=black
3 [label="s3"]
3 -> 1 [label="a"]
3 -> 0 [label="b"]
}
0 -> 0 [label="b"]
1 -> 1 [label="a"]
2 [label="s2"]
2 -> 0 [label="b"]
3 -> 1 [label="a"]
3 -> 0 [label="b"]
}
EOF

42
tests/core/sccdot.test
View file

@ -83,67 +83,67 @@ digraph G {
color=grey
label=""
5 [label="5"]
5 -> 6 [label="1"]
6 [label="6"]
6 -> 5 [label="1"]
}
subgraph cluster_1 {
color=grey
label=""
0 [label="0"]
0 -> 0 [label="a & b\n{0,1,2}"]
0 -> 0 [label="!a & !b\n{2}"]
0 -> 5 [label="a\n{2}"]
}
subgraph cluster_2 {
color=green
label=""
9 [label="9"]
9 -> 9 [label="!a & b\n{0,2}"]
9 -> 10 [label="a & b\n{0,1}"]
10 [label="10"]
10 -> 9 [label="!a & b\n{0,1}"]
10 -> 10 [label="a & b\n{0,2}"]
}
subgraph cluster_3 {
color=green
label=""
8 [label="8"]
8 -> 8 [label="!a & b\n{0,2}"]
8 -> 8 [label="a & b\n{0,1}"]
8 -> 9 [label="1"]
}
subgraph cluster_4 {
color=green
label=""
7 [label="7"]
7 -> 7 [label="!a & b\n{0,1}"]
7 -> 7 [label="a & b\n{0,2}"]
7 -> 8 [label="1"]
}
subgraph cluster_5 {
color=black
label=""
2 [label="2"]
2 -> 0 [label="a"]
2 -> 7 [label="b"]
}
subgraph cluster_6 {
color=red
label=""
4 [label="4"]
4 -> 4 [label="!b\n{1,2}"]
4 -> 2 [label="b"]
}
subgraph cluster_7 {
color=green
label=""
1 [label="1"]
3 [label="3"]
}
0 -> 0 [label="a & b\n{0,1,2}"]
0 -> 0 [label="!a & !b\n{2}"]
0 -> 5 [label="a\n{2}"]
1 -> 4 [label="b"]
1 -> 3 [label="a & !b"]
3 [label="3"]
2 -> 0 [label="a"]
2 -> 7 [label="b"]
3 -> 1 [label="a & b\n{0,1}"]
}
4 -> 4 [label="!b\n{1,2}"]
4 -> 2 [label="b"]
5 -> 6 [label="1"]
6 -> 5 [label="1"]
7 -> 7 [label="!a & b\n{0,1}"]
7 -> 7 [label="a & b\n{0,2}"]
7 -> 8 [label="1"]
8 -> 8 [label="!a & b\n{0,2}"]
8 -> 8 [label="a & b\n{0,1}"]
8 -> 9 [label="1"]
9 -> 9 [label="!a & b\n{0,2}"]
9 -> 10 [label="a & b\n{0,1}"]
10 -> 9 [label="!a & b\n{0,1}"]
10 -> 10 [label="a & b\n{0,2}"]
}
EOF

717
tests/python/_altscc.ipynb
View file

@ -35,6 +35,7 @@
"cell_type": "code",
"collapsed": true,
"input": [
"from IPython.display import display\n",
"import spot\n",
"spot.setup(show_default='.bas')"
],
@ -77,74 +78,74 @@
"<!-- Generated by graphviz version 2.38.0 (20140413.2041)\n",
" -->\n",
"<!-- Title: G Pages: 1 -->\n",
"<svg width=\"222pt\" height=\"154pt\"\n",
" viewBox=\"0.00 0.00 221.60 154.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
"<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 150)\">\n",
"<svg width=\"222pt\" height=\"206pt\"\n",
" viewBox=\"0.00 0.00 221.60 206.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
"<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 202)\">\n",
"<title>G</title>\n",
"<polygon fill=\"white\" stroke=\"none\" points=\"-4,4 -4,-150 217.6,-150 217.6,4 -4,4\"/>\n",
"<text text-anchor=\"start\" x=\"85.8\" y=\"-131.8\" font-family=\"Lato\" font-size=\"14.00\">Inf(</text>\n",
"<text text-anchor=\"start\" x=\"107.8\" y=\"-131.8\" font-family=\"Lato\" font-size=\"14.00\" fill=\"#5da5da\">\u24ff</text>\n",
"<text text-anchor=\"start\" x=\"123.8\" y=\"-131.8\" font-family=\"Lato\" font-size=\"14.00\">)</text>\n",
"<polygon fill=\"white\" stroke=\"none\" points=\"-4,4 -4,-202 217.6,-202 217.6,4 -4,4\"/>\n",
"<text text-anchor=\"start\" x=\"85.8\" y=\"-183.8\" font-family=\"Lato\" font-size=\"14.00\">Inf(</text>\n",
"<text text-anchor=\"start\" x=\"107.8\" y=\"-183.8\" font-family=\"Lato\" font-size=\"14.00\" fill=\"#5da5da\">\u24ff</text>\n",
"<text text-anchor=\"start\" x=\"123.8\" y=\"-183.8\" font-family=\"Lato\" font-size=\"14.00\">)</text>\n",
"<g id=\"clust1\" class=\"cluster\"><title>cluster_0</title>\n",
"<polygon fill=\"none\" stroke=\"green\" points=\"153.6,-8 153.6,-108 205.6,-108 205.6,-8 153.6,-8\"/>\n",
"<polygon fill=\"none\" stroke=\"green\" points=\"153.6,-67 153.6,-167 205.6,-167 205.6,-67 153.6,-67\"/>\n",
"</g>\n",
"<g id=\"clust2\" class=\"cluster\"><title>cluster_1</title>\n",
"<polygon fill=\"none\" stroke=\"red\" points=\"70.6,-30 70.6,-115 122.6,-115 122.6,-30 70.6,-30\"/>\n",
"<polygon fill=\"none\" stroke=\"red\" points=\"70.6,-8 70.6,-93 122.6,-93 122.6,-8 70.6,-8\"/>\n",
"</g>\n",
"<!-- I -->\n",
"<!-- &#45;1 -->\n",
"<g id=\"node2\" class=\"node\"><title>&#45;1</title>\n",
"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"39.8\" cy=\"-27\" rx=\"1.8\" ry=\"1.8\"/>\n",
"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"39.8\" cy=\"-87\" rx=\"1.8\" ry=\"1.8\"/>\n",
"</g>\n",
"<!-- I&#45;&gt;&#45;1 -->\n",
"<g id=\"edge1\" class=\"edge\"><title>I&#45;&gt;&#45;1</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M1.10844,-27C2.6468,-27 20.196,-27 30.7973,-27\"/>\n",
"<polygon fill=\"none\" stroke=\"black\" points=\"30.9213,-29.4501 37.9213,-27 30.9212,-24.5501 30.9213,-29.4501\"/>\n",
"</g>\n",
"<!-- 0 -->\n",
"<g id=\"node3\" class=\"node\"><title>0</title>\n",
"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"96.6\" cy=\"-56\" rx=\"18\" ry=\"18\"/>\n",
"<text text-anchor=\"middle\" x=\"96.6\" y=\"-52.3\" font-family=\"Lato\" font-size=\"14.00\">0</text>\n",
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1565
tests/python/decompose.ipynb
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