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replace bdd_satoneset(x,y,bddtrue) loops by minterms_of(x,y)

Browse source 
Because the loops iterate in the opposite order, multiple
test cases need to be adjusted.

* spot/taalgos/tgba2ta.cc, spot/twaalgos/alternation.cc,
spot/twaalgos/dualize.cc, spot/twaalgos/ltl2tgba_fm.cc,
spot/twaalgos/simulation.cc, spot/twaalgos/stutter.cc,
spot/twaalgos/toweak.cc: Replace loops based on
bdd_satonest(x,y,bddtrue) by loops based on minterms_of(x,y).
* tests/core/degenscc.test, tests/core/dualize.test,
tests/core/genltl.test, tests/core/readsave.test,
tests/python/alternation.ipynb, tests/python/automata.ipynb,
tests/python/decompose.ipynb, tests/python/decompose_scc.py,
tests/python/dualize.py, tests/python/sccinfo.py,
tests/python/simstate.py, tests/python/testingaut.ipynb,
tests/python/word.ipynb: Adjust expected test cases.  The
only regression is in genltl.test, but the worsened case
should eventually be fixed as discussed in issue #425 anyway.
This commit is contained in:
Alexandre Duret-Lutz 2021-04-14 17:31:45 +02:00
parent d54dca610e
commit 2a38328a5c
20 changed files with 1315 additions and 1432 deletions
Download patch file Download diff file Expand all files Collapse all files

30
spot/taalgos/tgba2ta.cc
View file

@ -1,6 +1,6 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2010-2018 Laboratoire de Recherche et Développement de // Copyright (C) 2010-2018, 2021 Laboratoire de Recherche et
// l'Epita (LRDE). // Développement de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
// //
@ -410,12 +410,9 @@ namespace spot
delete it; delete it;
} }
bdd satone_tgba_condition; for (bdd satone_tgba_condition: minterms_of(tgba_condition,
while ((satone_tgba_condition = bdd_satoneset(tgba_condition, atomic_propositions_set_))
atomic_propositions_set_,
bddtrue)) != bddfalse)
{ {
tgba_condition -= satone_tgba_condition;
state_ta_explicit* init_state = new state_ta_explicit* init_state = new
state_ta_explicit(tgba_init_state->clone(), state_ta_explicit(tgba_init_state->clone(),
satone_tgba_condition, true, is_acc); satone_tgba_condition, true, is_acc);
@ -441,17 +438,9 @@ namespace spot
bdd tgba_condition = twa_succ_it->cond(); bdd tgba_condition = twa_succ_it->cond();
acc_cond::mark_t tgba_acceptance_conditions = acc_cond::mark_t tgba_acceptance_conditions =
twa_succ_it->acc(); twa_succ_it->acc();
bdd satone_tgba_condition; for (bdd satone_tgba_condition:
while ((satone_tgba_condition = minterms_of(tgba_condition, atomic_propositions_set_))
bdd_satoneset(tgba_condition,
atomic_propositions_set_, bddtrue))
!= bddfalse)
{ {
tgba_condition -= satone_tgba_condition;
bdd all_props = bddtrue;
bdd dest_condition;
bool is_acc = false; bool is_acc = false;
if (degeneralized) if (degeneralized)
{ {
@ -463,12 +452,9 @@ namespace spot
} }
if (satone_tgba_condition == source->get_tgba_condition()) if (satone_tgba_condition == source->get_tgba_condition())
while ((dest_condition = for (bdd dest_condition:
bdd_satoneset(all_props, minterms_of(bddtrue, atomic_propositions_set_))
atomic_propositions_set_, bddtrue))
!= bddfalse)
{ {
all_props -= dest_condition;
state_ta_explicit* new_dest = state_ta_explicit* new_dest =
new state_ta_explicit(tgba_state->clone(), new state_ta_explicit(tgba_state->clone(),
dest_condition, false, is_acc); dest_condition, false, is_acc);

11
spot/twaalgos/alternation.cc
View file

@ -1,6 +1,6 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2016-2019 Laboratoire de Recherche et Développement // Copyright (C) 2016-2019, 2021 Laboratoire de Recherche et
// de l'Epita (LRDE). // Développement de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
// //
@ -456,11 +456,8 @@ namespace spot
bdd all_letters = bdd_exist(bs, all_vars_); bdd all_letters = bdd_exist(bs, all_vars_);
// First loop over all possible valuations atomic properties. // First loop over all possible valuations atomic properties.
while (all_letters != bddfalse) for (bdd oneletter: minterms_of(all_letters, ap))
{ {
bdd oneletter = bdd_satoneset(all_letters, ap, bddtrue);
all_letters -= oneletter;
minato_isop isop(bs & oneletter); minato_isop isop(bs & oneletter);
bdd cube; bdd cube;
while ((cube = isop.next()) != bddfalse) while ((cube = isop.next()) != bddfalse)
@ -637,7 +634,7 @@ namespace spot
// If it was the last transition, try the next letter. // If it was the last transition, try the next letter.
if (transition_ == bddfalse) if (transition_ == bddfalse)
{ {
bdd oneletter = bdd_satoneset(all_letters_, ap_, bddtrue); bdd oneletter = bdd_satoneset(all_letters_, ap_, bddfalse);
all_letters_ -= oneletter; all_letters_ -= oneletter;
// Get a sum of possible transitions matching this letter. // Get a sum of possible transitions matching this letter.
isop_ = minato_isop(oneletter & transitions_); isop_ = minato_isop(oneletter & transitions_);

7
spot/twaalgos/dualize.cc
View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2017-2019 Laboratoire de Recherche et Développement // Copyright (C) 2017-2019, 2021 Laboratoire de Recherche et Développement
// de l'Epita (LRDE). // de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
@ -153,11 +153,8 @@ namespace spot
bdd ap = bdd_exist(bdd_support(delta), all_vars_); bdd ap = bdd_exist(bdd_support(delta), all_vars_);
bdd letters = bdd_exist(delta, all_vars_); bdd letters = bdd_exist(delta, all_vars_);
while (letters != bddfalse) for (bdd oneletter: minterms_of(letters, ap))
{ {
bdd oneletter = bdd_satoneset(letters, ap, bddtrue);
letters -= oneletter;
minato_isop isop(delta & oneletter); minato_isop isop(delta & oneletter);
bdd cube; bdd cube;

60
spot/twaalgos/ltl2tgba_fm.cc
View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2008-2019 Laboratoire de Recherche et Développement // Copyright (C) 2008-2019, 2021 Laboratoire de Recherche et Développement
// de l'Epita (LRDE). // de l'Epita (LRDE).
// Copyright (C) 2003-2006 Laboratoire d'Informatique de Paris 6 // Copyright (C) 2003-2006 Laboratoire d'Informatique de Paris 6
// (LIP6), département Systèmes Répartis Coopératifs (SRC), Université // (LIP6), département Systèmes Répartis Coopératifs (SRC), Université
@ -899,11 +899,8 @@ namespace spot
bdd res_det = bddfalse; bdd res_det = bddfalse;
bdd var_set = bdd_existcomp(bdd_support(res_ndet), dict_.var_set); bdd var_set = bdd_existcomp(bdd_support(res_ndet), dict_.var_set);
bdd all_props = bdd_existcomp(res_ndet, dict_.var_set); bdd all_props = bdd_existcomp(res_ndet, dict_.var_set);
while (all_props != bddfalse) for (bdd label: minterms_of(all_props, var_set))
{ {
bdd label = bdd_satoneset(all_props, var_set, bddtrue);
all_props -= label;
formula dest = formula dest =
dict_.bdd_to_sere(bdd_appex(res_ndet, label, bddop_and, dict_.bdd_to_sere(bdd_appex(res_ndet, label, bddop_and,
dict_.var_set)); dict_.var_set));
@ -998,11 +995,8 @@ namespace spot
// Generate (deterministic) successors // Generate (deterministic) successors
bdd var_set = bdd_existcomp(bdd_support(res), dict_.var_set); bdd var_set = bdd_existcomp(bdd_support(res), dict_.var_set);
bdd all_props = bdd_existcomp(res, dict_.var_set); bdd all_props = bdd_existcomp(res, dict_.var_set);
while (all_props != bddfalse) for (bdd label: minterms_of(all_props, var_set))
{ {
bdd label = bdd_satoneset(all_props, var_set, bddtrue);
all_props -= label;
formula dest = formula dest =
dict_.bdd_to_sere(bdd_appex(res, label, bddop_and, dict_.bdd_to_sere(bdd_appex(res, label, bddop_and,
dict_.var_set)); dict_.var_set));
@ -1475,11 +1469,8 @@ namespace spot
{ {
bdd var_set = bdd_existcomp(bdd_support(f1), dict_.var_set); bdd var_set = bdd_existcomp(bdd_support(f1), dict_.var_set);
bdd all_props = bdd_existcomp(f1, dict_.var_set); bdd all_props = bdd_existcomp(f1, dict_.var_set);
while (all_props != bddfalse) for (bdd label: minterms_of(all_props, var_set))
{ {
bdd label = bdd_satoneset(all_props, var_set, bddtrue);
all_props -= label;
formula dest = formula dest =
dict_.bdd_to_sere(bdd_appex(f1, label, bddop_and, dict_.bdd_to_sere(bdd_appex(f1, label, bddop_and,
dict_.var_set)); dict_.var_set));
@ -1559,11 +1550,8 @@ namespace spot
bdd var_set = bdd_existcomp(bdd_support(f1), dict_.var_set); bdd var_set = bdd_existcomp(bdd_support(f1), dict_.var_set);
bdd all_props = bdd_existcomp(f1, dict_.var_set); bdd all_props = bdd_existcomp(f1, dict_.var_set);
bdd missing = !all_props; bdd missing = !all_props;
while (all_props != bddfalse) for (bdd label: minterms_of(all_props, var_set))
{ {
bdd label = bdd_satoneset(all_props, var_set, bddtrue);
all_props -= label;
formula dest = formula dest =
dict_.bdd_to_sere(bdd_appex(f1, label, bddop_and, dict_.bdd_to_sere(bdd_appex(f1, label, bddop_and,
dict_.var_set)); dict_.var_set));
@ -1793,16 +1781,15 @@ namespace spot
if (t.has_rational) if (t.has_rational)
{ {
bdd res = bddfalse; bdd res = bddfalse;
bdd var_set = bddtrue;
bdd var_set = bdd_existcomp(bdd_support(t.symbolic), d_.var_set); bdd all_props = bddtrue;
bdd all_props = bdd_existcomp(t.symbolic, d_.var_set); if (d_.exprop)
while (all_props != bddfalse) {
var_set = bdd_existcomp(bdd_support(t.symbolic), d_.var_set);
all_props = bdd_existcomp(t.symbolic, d_.var_set);
}
for (bdd one_prop_set: minterms_of(all_props, var_set))
{ {
bdd one_prop_set = bddtrue;
if (d_.exprop)
one_prop_set = bdd_satoneset(all_props, var_set, bddtrue);
all_props -= one_prop_set;
minato_isop isop(t.symbolic & one_prop_set); minato_isop isop(t.symbolic & one_prop_set);
bdd cube; bdd cube;
while ((cube = isop.next()) != bddfalse) while ((cube = isop.next()) != bddfalse)
@ -2110,24 +2097,21 @@ namespace spot
dests.clear(); dests.clear();
// Compute all outgoing arcs. // Compute all outgoing arcs.
// If EXPROP is set, we will refine the symbolic // If EXPROP is set, we will refine the symbolic
// representation of the successors for all combinations of // representation of the successors for all combinations of
// the atomic properties involved in the formula. // the atomic properties involved in the formula.
// VAR_SET is the set of these properties. // VAR_SET is the set of these properties.
bdd var_set = bdd_existcomp(bdd_support(res), d.var_set); // ALL_PROPS is the satisfiable combinations of VAR_SET to consider.
// ALL_PROPS is the combinations we have yet to consider. bdd var_set = bddtrue;
// We used to start with `all_props = bddtrue', but it is bdd all_props = bddtrue;
// more efficient to start with the set of all satisfiable if (exprop)
// variables combinations.
bdd all_props = bdd_existcomp(res, d.var_set);
while (all_props != bddfalse)
{ {
bdd one_prop_set = bddtrue; var_set = bdd_existcomp(bdd_support(res), d.var_set);
if (exprop) all_props = bdd_existcomp(res, d.var_set);
one_prop_set = bdd_satoneset(all_props, var_set, bddtrue); }
all_props -= one_prop_set;
for (bdd one_prop_set: minterms_of(all_props, var_set))
{
// Compute prime implicants. // Compute prime implicants.
// The reason we use prime implicants and not bdd_satone() // The reason we use prime implicants and not bdd_satone()
// is that we do not want to get any negation in front of Next // is that we do not want to get any negation in front of Next

19
spot/twaalgos/simulation.cc
View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2012-2020 Laboratoire de Recherche et Développement // Copyright (C) 2012-2021 Laboratoire de Recherche et Développement
// de l'Epita (LRDE). // de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
@ -538,7 +538,7 @@ namespace spot
stat.states = bdd_lstate_.size(); stat.states = bdd_lstate_.size();
stat.edges = 0; stat.edges = 0;
unsigned nb_satoneset = 0; unsigned nb_minterms = 0;
unsigned nb_minato = 0; unsigned nb_minato = 0;
auto all_inf = all_inf_; auto all_inf = all_inf_;
@ -573,24 +573,19 @@ namespace spot
bdd all_atomic_prop = bdd_exist(sig, nonapvars); bdd all_atomic_prop = bdd_exist(sig, nonapvars);
// First loop over all possible valuations atomic properties. // First loop over all possible valuations atomic properties.
while (all_atomic_prop != bddfalse) for (bdd one: minterms_of(all_atomic_prop, sup_all_atomic_prop))
{ {
bdd one = bdd_satoneset(all_atomic_prop,
sup_all_atomic_prop,
bddtrue);
all_atomic_prop -= one;
// For each possible valuation, iterate over all possible // For each possible valuation, iterate over all possible
// destination classes. We use minato_isop here, because // destination classes. We use minato_isop here, because
// if the same valuation of atomic properties can go // if the same valuation of atomic properties can go
// to two different classes C1 and C2, iterating on // to two different classes C1 and C2, iterating on
// C1 + C2 with the above bdd_satoneset loop will see // C1 + C2 with the above minters_of loop will see
// C1 then (!C1)C2, instead of C1 then C2. // C1 then (!C1)C2, instead of C1 then C2.
// With minatop_isop, we ensure that the no negative // With minatop_isop, we ensure that the no negative
// class variable will be seen (likewise for promises). // class variable will be seen (likewise for promises).
minato_isop isop(sig & one); minato_isop isop(sig & one);
++nb_satoneset; ++nb_minterms;
bdd cond_acc_dest; bdd cond_acc_dest;
while ((cond_acc_dest = isop.next()) != bddfalse) while ((cond_acc_dest = isop.next()) != bddfalse)
@ -750,8 +745,8 @@ namespace spot
true, // stutter inv. true, // stutter inv.
}); });
// !unambiguous and !semi-deterministic are not preserved // !unambiguous and !semi-deterministic are not preserved
if (!Cosimulation && nb_minato == nb_satoneset) if (!Cosimulation && nb_minato == nb_minterms)
// Note that nb_minato != nb_satoneset does not imply // Note that nb_minato != nb_minterms does not imply
// non-deterministic, because of the merge_edges() above. // non-deterministic, because of the merge_edges() above.
res->prop_universal(true); res->prop_universal(true);
if (Sba) if (Sba)

13
spot/twaalgos/stutter.cc
View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2014-2020 Laboratoire de Recherche et Développement de // Copyright (C) 2014-2021 Laboratoire de Recherche et Développement de
// l'Epita (LRDE). // l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
@ -187,7 +187,7 @@ namespace spot
void void
next_edge() next_edge()
{ {
one_ = bdd_satoneset(cond_, aps_, bddtrue); one_ = bdd_satoneset(cond_, aps_, bddfalse);
cond_ -= one_; cond_ -= one_;
if (need_loop_ && (state_->cond() == one_) if (need_loop_ && (state_->cond() == one_)
&& (state_ == it_->dst())) && (state_ == it_->dst()))
@ -313,11 +313,8 @@ namespace spot
for (auto& t : a->out(s.first)) for (auto& t : a->out(s.first))
{ {
bdd all = t.cond; bdd all = t.cond;
while (all != bddfalse) for (bdd one: minterms_of(t.cond, atomic_propositions))
{ {
bdd one = bdd_satoneset(all, atomic_propositions, bddtrue);
all -= one;
stutter_state d(t.dst, one); stutter_state d(t.dst, one);
auto r = ss2num.emplace(d, ss2num.size()); auto r = ss2num.emplace(d, ss2num.size());
@ -408,10 +405,8 @@ namespace spot
// Do not use td in the loop because the new_edge() // Do not use td in the loop because the new_edge()
// might invalidate it. // might invalidate it.
auto acc = td.acc; auto acc = td.acc;
while (all != bddfalse) for (bdd one: minterms_of(all, atomic_propositions))
{ {
bdd one = bdd_satoneset(all, atomic_propositions, bddtrue);
all -= one;
// Skip if there is a loop for this particular letter. // Skip if there is a loop for this particular letter.
if (bdd_implies(one, selfloops[src]) if (bdd_implies(one, selfloops[src])
|| bdd_implies(one, selfloops[dst])) || bdd_implies(one, selfloops[dst]))

7
spot/twaalgos/toweak.cc
View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2017, 2018 Laboratoire de Recherche et Développement // Copyright (C) 2017, 2018, 2021 Laboratoire de Recherche et Développement
// de l'Epita (LRDE). // de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
@ -177,11 +177,8 @@ namespace spot
bdd ap = bdd_exist(bdd_support(delta), all_states_); bdd ap = bdd_exist(bdd_support(delta), all_states_);
bdd letters = bdd_exist(delta, all_states_); bdd letters = bdd_exist(delta, all_states_);
while (letters != bddfalse) for (bdd oneletter: minterms_of(letters, ap))
{ {
bdd oneletter = bdd_satoneset(letters, ap, bddtrue);
letters -= oneletter;
minato_isop isop(delta & oneletter); minato_isop isop(delta & oneletter);
bdd cube; bdd cube;

6
tests/core/degenscc.test
View file

@ -1,6 +1,6 @@
#!/bin/sh #!/bin/sh
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# Copyright (C) 2017, 2019 Laboratoire de Recherche et Développement de # Copyright (C) 2017, 2019, 2021 Laboratoire de Recherche et Développement de
# l'Epita (LRDE). # l'Epita (LRDE).
# #
# This file is part of Spot, a model checking library. # This file is part of Spot, a model checking library.
@ -33,7 +33,7 @@ set -e
cat >input <<EOF cat >input <<EOF
GF((Fp2 & X((p0 & Gp1) | (!p0 & F!p1))) | (G!p2 & X((p0 & F!p1) | (!p0 & Gp1)))) GF((Fp2 & X((p0 & Gp1) | (!p0 & F!p1))) | (G!p2 & X((p0 & F!p1) | (!p0 & Gp1))))
((Gp2&FG((Gp1&Xp0)|(F!p1&X!p0)))|(F!p2 & GF((Gp1 & X!p0) | (Xp0 & F!p1)))) W !p0 ((Gp2&FG((Gp1&Xp0)|(F!p1&X!p0)))|(F!p2 & GF((Gp1 & X!p0) | (Xp0 & F!p1)))) W !p0
G(Fp0 & (F!p1 U (G!p2 M !p0))) p2 & GF(G(p0 & !p1) | (F!p0 & Fp1))
G(((Fp1 & (p1 W Fp0)) | (G!p1 & (!p1 M G!p0))) M FG!p2) G(((Fp1 & (p1 W Fp0)) | (G!p1 & (!p1 M G!p0))) M FG!p2)
Xp0 R F((p0 & FG(Gp2 U p1)) | (!p0 & GF(F!p2 R !p1))) Xp0 R F((p0 & FG(Gp2 U p1)) | (!p0 & GF(F!p2 R !p1)))
GF(p0 & (((p1 & Fp2) | (!p1 & G!p2)) M Gp1)) GF(p0 & (((p1 & Fp2) | (!p1 & G!p2)) M Gp1))
@ -48,8 +48,6 @@ G(XF((p2 & F!p1) | (!p2 & Gp1)) | (p1 & Fp0))
G!p0 | G((Fp1 U p2) & F!p2) G!p0 | G((Fp1 U p2) & F!p2)
EOF EOF
# We want to make sure the degeneralized automaton has fewer SCCs # We want to make sure the degeneralized automaton has fewer SCCs
# (it can be less if the simulation on the BA is lukier than on the TGBA) # (it can be less if the simulation on the BA is lukier than on the TGBA)
ltl2tgba < input | autfilt -B --stats=": '%M'; test %C -ge %c" > test.sh ltl2tgba < input | autfilt -B --stats=": '%M'; test %C -ge %c" > test.sh

10
tests/core/dualize.test
View file

@ -1,6 +1,6 @@
#!/bin/sh #!/bin/sh
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# Copyright (C) 2017, 2019 Laboratoire de Recherche et # Copyright (C) 2017, 2019, 2021 Laboratoire de Recherche et
# Développement de l'Epita (LRDE). # Développement de l'Epita (LRDE).
# #
# This file is part of Spot, a model checking library. # This file is part of Spot, a model checking library.
@ -115,11 +115,11 @@ Acceptance: 1 Fin(0)
properties: trans-labels explicit-labels state-acc univ-branch properties: trans-labels explicit-labels state-acc univ-branch
--BODY-- --BODY--
State: 0 State: 0
[!0&!1] 0&7
[0&!1] 0&6&7 [0&!1] 0&6&7
[!0&!1] 0&7
State: 1 State: 1
[!0] 1&3
[0] 1&2&3 [0] 1&2&3
[!0] 1&3
State: 2 State: 2
[0] 4 [0] 4
State: 3 State: 3
@ -135,10 +135,10 @@ State: 6 {0}
State: 7 State: 7
[!1] 7 [!1] 7
State: 8 State: 8
[!0] 1&3
[t] 1&2&3 [t] 1&2&3
[!0&!1] 0&7 [!0] 1&3
[!1] 0&6&7 [!1] 0&6&7
[!0&!1] 0&7
--END-- --END--
EOF EOF
diff output2 expected2 diff output2 expected2

4
tests/core/genltl.test
View file

@ -1,6 +1,6 @@
#!/bin/sh #!/bin/sh
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# Copyright (C) 2016-2020 Laboratoire de Recherche et Développement # Copyright (C) 2016-2021 Laboratoire de Recherche et Développement
# de l'Epita (LRDE). # de l'Epita (LRDE).
# #
# This file is part of Spot, a model checking library. # This file is part of Spot, a model checking library.
@ -195,7 +195,7 @@ cat >exp<<EOF
"ms-phi-r=2",1,28 "ms-phi-r=2",1,28
"ms-phi-s=0",1,3 "ms-phi-s=0",1,3
"ms-phi-s=1",1,7 "ms-phi-s=1",1,7
"ms-phi-s=2",1,387 "ms-phi-s=2",1,484
"ms-phi-h=0",1,1 "ms-phi-h=0",1,1
"ms-phi-h=1",2,3 "ms-phi-h=1",2,3
"ms-phi-h=2",4,7 "ms-phi-h=2",4,7

6
tests/core/readsave.test
View file

@ -1093,9 +1093,9 @@ ltl2tgba 'GF(a <-> Fb)' | autfilt -B --dot=dA | grep ' (' >out
cat >expected <<EOF cat >expected <<EOF
0 [label="0 (0)", peripheries=2] 0 [label="0 (0)", peripheries=2]
1 [label="1 (0)"] 1 [label="1 (0)"]
2 [label="2 (1)"] 2 [label="2 (1)", peripheries=2]
3 [label="3 (2)", peripheries=2] 3 [label="3 (2)"]
4 [label="4 (2)"] 4 [label="4 (1)"]
EOF EOF
diff out expected diff out expected
# --dot=d should also not use circles # --dot=d should also not use circles

998
tests/python/alternation.ipynb
View file

File diff suppressed because it is too large Load diff

178
tests/python/automata.ipynb
View file

@ -178,7 +178,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
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] ]
}, },
"execution_count": 2, "execution_count": 2,
@ -657,7 +657,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
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] ]
}, },
"execution_count": 6, "execution_count": 6,
@ -733,7 +733,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
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] ]
}, },
"execution_count": 7, "execution_count": 7,
@ -816,7 +816,7 @@
"</svg>\n" "</svg>\n"
], ],
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] ]
}, },
"execution_count": 8, "execution_count": 8,
@ -1214,142 +1214,142 @@
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"<text text-anchor=\"start\" x=\"384\" y=\"-57.8\" font-family=\"Lato\" font-size=\"14.00\" fill=\"#1f78b4\">⓿</text>\n",
"</g>\n",
"<!-- 4&#45;&gt;2 -->\n",
"<g id=\"edge11\" class=\"edge\">\n",
"<title>4&#45;&gt;2</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M265.57,-52.06C259.39,-47.72 251.72,-43.23 244,-41 227.15,-36.15 207.38,-38.29 192.37,-41.44\"/>\n",
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"</g>\n",
"<!-- 4&#45;&gt;3 -->\n",
"<g id=\"edge12\" class=\"edge\">\n",
"<title>4&#45;&gt;3</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M297.23,-56.36C316.11,-48.64 347.37,-35.85 368.56,-27.18\"/>\n",
"<polygon fill=\"black\" stroke=\"black\" points=\"375.06,-24.52 369.77,-30.09 371.82,-25.85 368.58,-27.17 368.58,-27.17 368.58,-27.17 371.82,-25.85 367.39,-24.26 375.06,-24.52 375.06,-24.52\"/>\n",
"<text text-anchor=\"start\" x=\"316\" y=\"-51.8\" font-family=\"Lato\" font-size=\"14.00\">!a &amp; !b</text>\n",
"</g>\n", "</g>\n",
"<!-- 4&#45;&gt;4 -->\n", "<!-- 4&#45;&gt;4 -->\n",
"<g id=\"edge13\" class=\"edge\">\n", "<g id=\"edge13\" class=\"edge\">\n",
"<title>4&#45;&gt;4</title>\n", "<title>4&#45;&gt;4</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M260.43,-33.54C257.73,-43.91 260.92,-54 270,-54 276.95,-54 280.45,-48.08 280.5,-40.66\"/>\n", "<path fill=\"none\" stroke=\"black\" d=\"M270.43,-78.54C267.73,-88.91 270.92,-99 280,-99 286.95,-99 290.45,-93.08 290.5,-85.66\"/>\n",
"<polygon fill=\"black\" stroke=\"black\" points=\"279.57,-33.54 283.6,-40.08 280.03,-37.01 280.48,-40.48 280.48,-40.48 280.48,-40.48 280.03,-37.01 277.35,-40.89 279.57,-33.54 279.57,-33.54\"/>\n", "<polygon fill=\"black\" stroke=\"black\" points=\"289.57,-78.54 293.6,-85.08 290.03,-82.01 290.48,-85.48 290.48,-85.48 290.48,-85.48 290.03,-82.01 287.35,-85.89 289.57,-78.54 289.57,-78.54\"/>\n",
"<text text-anchor=\"start\" x=\"250\" y=\"-72.8\" font-family=\"Lato\" font-size=\"14.00\">!a &amp; !b</text>\n", "<text text-anchor=\"start\" x=\"267\" y=\"-102.8\" font-family=\"Lato\" font-size=\"14.00\">a | b</text>\n",
"<text text-anchor=\"start\" x=\"262\" y=\"-57.8\" font-family=\"Lato\" font-size=\"14.00\" fill=\"#1f78b4\">⓿</text>\n",
"</g>\n", "</g>\n",
"</g>\n", "</g>\n",
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c156e40> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d42a0> >"
] ]
}, },
"execution_count": 12, "execution_count": 12,
@ -1463,7 +1463,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c163300> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d4630> >"
] ]
}, },
"execution_count": 13, "execution_count": 13,
@ -1594,7 +1594,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c163810> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d4c00> >"
] ]
}, },
"execution_count": 14, "execution_count": 14,
@ -1816,7 +1816,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c1694b0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d8510> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -1974,7 +1974,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c163210> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d8420> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -2132,7 +2132,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c169180> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d8300> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -2280,7 +2280,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c169360> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000d8270> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -2469,7 +2469,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c169210> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a00215fc0> >"
] ]
}, },
"execution_count": 19, "execution_count": 19,
@ -2545,7 +2545,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c169fc0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000e1420> >"
] ]
}, },
"execution_count": 20, "execution_count": 20,
@ -3095,7 +3095,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c156ea0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000ccd50> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -3195,7 +3195,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fe43c156210> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f6a000ccde0> >"
] ]
}, },
"execution_count": 24, "execution_count": 24,
@ -3268,7 +3268,7 @@
"</svg>\n" "</svg>\n"
], ],
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] ]
}, },
"execution_count": 25, "execution_count": 25,
@ -3439,7 +3439,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
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] ]
}, },
"execution_count": 27, "execution_count": 27,
@ -3522,7 +3522,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
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] ]
}, },
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@ -3587,7 +3587,7 @@
"</svg>\n" "</svg>\n"
], ],
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] ]
}, },
"metadata": {}, "metadata": {},
@ -3674,7 +3674,7 @@
"</svg>\n" "</svg>\n"
], ],
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] ]
}, },
"execution_count": 29, "execution_count": 29,
@ -3707,7 +3707,7 @@
"name": "python", "name": "python",
"nbconvert_exporter": "python", "nbconvert_exporter": "python",
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.9.1+" "version": "3.9.2"
} }
}, },
"nbformat": 4, "nbformat": 4,

536
tests/python/decompose.ipynb
View file

@ -61,11 +61,11 @@
"</g>\n", "</g>\n",
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"</g>\n", "</g>\n",
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"</g>\n", "</g>\n",
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@ -105,28 +105,28 @@
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"</g>\n", "</g>\n",
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"<text text-anchor=\"middle\" x=\"188\" y=\"-30.3\" font-family=\"Lato\" font-size=\"14.00\">2</text>\n",
"</g>\n",
"<!-- 0&#45;&gt;2 -->\n",
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"</g>\n",
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"</g>\n", "</g>\n",
"<!-- 0&#45;&gt;3 -->\n", "<!-- 0&#45;&gt;3 -->\n",
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"<title>0&#45;&gt;3</title>\n", "<title>0&#45;&gt;3</title>\n",
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"</g>\n",
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"</g>\n",
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@ -139,16 +139,8 @@
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"source": [ "source": [
"aut = spot.automaton(\"\"\"\n", "aut = spot.automaton(\"\"\"\n",
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"States: 9\n", "4 (Fin(0) & Inf(1)) | (Fin(2) & Inf(3)) properties: trans-labels\n",
"Start: 2\n", "explicit-labels state-acc complete properties: deterministic --BODY--\n",
"AP: 3 \"a\" \"b\" \"c\"\n", "State: 0 {2} [0&!2] 0 [0&2] 1 [!0&!2] 5 [!0&2] 6 State: 1 {2} [0] 1 [!0]\n",
"acc-name: Rabin 2\n", "6 State: 2 {2} [0&!1&!2] 3 [0&1&!2] 4 [!0&!2] 5 [2] 6 State: 3 {1 2}\n",
"Acceptance: 4 (Fin(0) & Inf(1)) | (Fin(2) & Inf(3))\n", "[0&!2] 0 [0&2] 1 [!0&!2] 5 [!0&2] 6 State: 4 {1 2} [0&!1&!2] 0 [0&!1&2]\n",
"properties: trans-labels explicit-labels state-acc complete\n", "1 [!0&!2] 5 [!0&2] 6 [0&1&!2] 7 [0&1&2] 8 State: 5 {1 2} [0&!1&!2] 0\n",
"properties: deterministic\n", "[!0&!2] 5 [2] 6 [0&1&!2] 7 State: 6 {1 2} [t] 6 State: 7 {3} [0&!1&!2]\n",
"--BODY--\n", "0 [0&!1&2] 1 [!0&!2] 5 [!0&2] 6 [0&1&!2] 7 [0&1&2] 8 State: 8 {3} [0&!1]\n",
"State: 0 {2}\n", "1 [!0] 6 [0&1] 8 --END--\"\"\")\n",
"[0&!2] 0\n",
"[0&2] 1\n",
"[!0&!2] 5\n",
"[!0&2] 6\n",
"State: 1 {2}\n",
"[0] 1\n",
"[!0] 6\n",
"State: 2 {2}\n",
"[0&!1&!2] 3\n",
"[0&1&!2] 4\n",
"[!0&!2] 5\n",
"[2] 6\n",
"State: 3 {1 2}\n",
"[0&!2] 0\n",
"[0&2] 1\n",
"[!0&!2] 5\n",
"[!0&2] 6\n",
"State: 4 {1 2}\n",
"[0&!1&!2] 0\n",
"[0&!1&2] 1\n",
"[!0&!2] 5\n",
"[!0&2] 6\n",
"[0&1&!2] 7\n",
"[0&1&2] 8\n",
"State: 5 {1 2}\n",
"[0&!1&!2] 0\n",
"[!0&!2] 5\n",
"[2] 6\n",
"[0&1&!2] 7\n",
"State: 6 {1 2}\n",
"[t] 6\n",
"State: 7 {3}\n",
"[0&!1&!2] 0\n",
"[0&!1&2] 1\n",
"[!0&!2] 5\n",
"[!0&2] 6\n",
"[0&1&!2] 7\n",
"[0&1&2] 8\n",
"State: 8 {3}\n",
"[0&!1] 1\n",
"[!0] 6\n",
"[0&1] 8\n",
"--END--\n",
"\"\"\")\n",
"aut" "aut"
] ]
}, },
@ -1942,7 +1898,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0eaa50> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6510> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -2174,7 +2130,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc092cc0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa01baea0> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -2384,7 +2340,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc21dea0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa01bad80> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -2772,7 +2728,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ea7b0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6570> >"
] ]
}, },
"execution_count": 10, "execution_count": 10,
@ -2933,7 +2889,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ab3f0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6e70> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -3072,7 +3028,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc211570> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa01baf00> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -3224,7 +3180,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc23fa80> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6a20> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -3577,7 +3533,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc21d750> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6120> >"
] ]
}, },
"execution_count": 12, "execution_count": 12,
@ -3587,55 +3543,15 @@
], ],
"source": [ "source": [
"aut = spot.automaton(\"\"\"\n", "aut = spot.automaton(\"\"\"\n",
"HOA: v1\n", "HOA: v1 States: 8 Start: 7 AP: 3 \"a\" \"b\" \"c\" acc-name: Streett\n",
"States: 8\n", "2 Acceptance: 4 (Fin(0) | Inf(1)) & (Fin(2) | Inf(3)) properties:\n",
"Start: 7\n", "trans-labels explicit-labels state-acc complete properties: deterministic\n",
"AP: 3 \"a\" \"b\" \"c\"\n", "--BODY-- State: 0 {2} [0&1] 0 [0&!1] 3 [!0] 4 State: 1 {2} [0&1&2]\n",
"acc-name: Streett 2\n", "0 [0&1&!2] 1 [0&!1&!2] 2 [0&!1&2] 3 [!0&2] 4 [!0&!2] 7 State: 2 {2}\n",
"Acceptance: 4 (Fin(0) | Inf(1)) & (Fin(2) | Inf(3))\n", "[0&1&!2] 1 [0&!1&!2] 2 [0&2] 3 [!0&2] 4 [!0&!2] 7 State: 3 {0 3} [0] 3\n",
"properties: trans-labels explicit-labels state-acc complete\n", "[!0] 4 State: 4 {1 3} [t] 4 State: 5 {3} [0&!1] 3 [!0] 4 [0&1] 5 State:\n",
"properties: deterministic\n", "6 {3} [0&!1&!2] 2 [0&!1&2] 3 [!0&2] 4 [0&1&2] 5 [0&1&!2] 6 [!0&!2]\n",
"--BODY--\n", "7 State: 7 {3} [0&!1&!2] 2 [2] 4 [0&1&!2] 6 [!0&!2] 7 --END--\"\"\")\n",
"State: 0 {2}\n",
"[0&1] 0\n",
"[0&!1] 3\n",
"[!0] 4\n",
"State: 1 {2}\n",
"[0&1&2] 0\n",
"[0&1&!2] 1\n",
"[0&!1&!2] 2\n",
"[0&!1&2] 3\n",
"[!0&2] 4\n",
"[!0&!2] 7\n",
"State: 2 {2}\n",
"[0&1&!2] 1\n",
"[0&!1&!2] 2\n",
"[0&2] 3\n",
"[!0&2] 4\n",
"[!0&!2] 7\n",
"State: 3 {0 3}\n",
"[0] 3\n",
"[!0] 4\n",
"State: 4 {1 3}\n",
"[t] 4\n",
"State: 5 {3}\n",
"[0&!1] 3\n",
"[!0] 4\n",
"[0&1] 5\n",
"State: 6 {3}\n",
"[0&!1&!2] 2\n",
"[0&!1&2] 3\n",
"[!0&2] 4\n",
"[0&1&2] 5\n",
"[0&1&!2] 6\n",
"[!0&!2] 7\n",
"State: 7 {3}\n",
"[0&!1&!2] 2\n",
"[2] 4\n",
"[0&1&!2] 6\n",
"[!0&!2] 7\n",
"--END--\n",
"\"\"\")\n",
"aut" "aut"
] ]
}, },
@ -3960,7 +3876,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ea480> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c01b0> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -4137,7 +4053,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc23fae0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6f60> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -4295,7 +4211,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc092c00> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa029e660> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -4313,7 +4229,7 @@
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"The subtlety of Streett acceptance is that if a path that does not visit any accepting set infinitely often *is* accepting. So when disabling SCCs, we must be careful to label them with a combination of rejecting acceptance sets.\n", "The subtlety of Streett acceptance is that a path that does not visit any accepting set infinitely often *is* accepting. So when disabling SCCs, we must be careful to label them with a combination of rejecting acceptance sets.\n",
"\n", "\n",
"This is easy to understand using an example. In the following extraction of the **strong** and **inherently terminal** parts, the rejecting SCCs (that were either rejecting or strictly inherently weak originally) have been labeled by the same acceptance sets, to ensure that they are rejected." "This is easy to understand using an example. In the following extraction of the **strong** and **inherently terminal** parts, the rejecting SCCs (that were either rejecting or strictly inherently weak originally) have been labeled by the same acceptance sets, to ensure that they are rejected."
] ]
@ -4644,7 +4560,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ea3c0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c0a80> >"
] ]
}, },
"execution_count": 14, "execution_count": 14,
@ -4767,7 +4683,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc23fbd0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c0540> >"
] ]
}, },
"execution_count": 15, "execution_count": 15,
@ -4865,7 +4781,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0eac90> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c8090> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -4941,7 +4857,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc21d7e0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c0270> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -5035,7 +4951,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0eaab0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c8090> >"
] ]
}, },
"execution_count": 18, "execution_count": 18,
@ -5185,7 +5101,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ab6f0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c8a50> >"
] ]
}, },
"execution_count": 19, "execution_count": 19,
@ -5345,7 +5261,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0abb70> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00d0cc0> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -5447,7 +5363,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc092c00> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00b6780> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -5582,7 +5498,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0abae0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c0570> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -5606,7 +5522,7 @@
"# `decompose_scc()` by SCC number\n", "# `decompose_scc()` by SCC number\n",
"\n", "\n",
"Decompose SCC can also be called by SCC numbers.\n", "Decompose SCC can also be called by SCC numbers.\n",
"The example below show the different SCC numbers and the state they contains, before extracting the sub-automaton containing SCC 0 and 2 (i.e., anything leading to states 1 and 4 of the original automaton). This example also shows that when an `scc_info` is available for to automaton to decompose, it can be passed to `decompose_scc()` in lieu of the automaton: doing so is faster because `decompose_scc()` does not need to rebuild this object. " "The example below show the different SCC numbers and the state they contains, before extracting the sub-automaton containing SCC 0 and 1 (i.e., anything leading to states 1 and 4 of the original automaton). This example also shows that when an `scc_info` is available for to automaton to decompose, it can be passed to `decompose_scc()` in lieu of the automaton: doing so is faster because `decompose_scc()` does not need to rebuild this object. "
] ]
}, },
{ {
@ -5619,9 +5535,9 @@
"output_type": "stream", "output_type": "stream",
"text": [ "text": [
"SCC #0 contains states [1]\n", "SCC #0 contains states [1]\n",
"SCC #1 contains states [2]\n", "SCC #1 contains states [4]\n",
"SCC #2 contains states [4]\n", "SCC #2 contains states [3]\n",
"SCC #3 contains states [0, 3]\n" "SCC #3 contains states [0, 2]\n"
] ]
}, },
{ {
@ -5647,11 +5563,11 @@
"</g>\n", "</g>\n",
"<g id=\"clust2\" class=\"cluster\">\n", "<g id=\"clust2\" class=\"cluster\">\n",
"<title>cluster_1</title>\n", "<title>cluster_1</title>\n",
"<polygon fill=\"none\" stroke=\"green\" points=\"162,-8 162,-108 214,-108 214,-8 162,-8\"/>\n", "<polygon fill=\"none\" stroke=\"red\" points=\"265,-148 265,-233 317,-233 317,-148 265,-148\"/>\n",
"</g>\n", "</g>\n",
"<g id=\"clust3\" class=\"cluster\">\n", "<g id=\"clust3\" class=\"cluster\">\n",
"<title>cluster_2</title>\n", "<title>cluster_2</title>\n",
"<polygon fill=\"none\" stroke=\"red\" points=\"265,-148 265,-233 317,-233 317,-148 265,-148\"/>\n", "<polygon fill=\"none\" stroke=\"green\" points=\"162,-8 162,-108 214,-108 214,-8 162,-8\"/>\n",
"</g>\n", "</g>\n",
"<g id=\"clust4\" class=\"cluster\">\n", "<g id=\"clust4\" class=\"cluster\">\n",
"<title>cluster_3</title>\n", "<title>cluster_3</title>\n",
@ -5691,28 +5607,28 @@
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"<text text-anchor=\"start\" x=\"236\" y=\"-138.8\" font-family=\"Lato\" font-size=\"14.00\">c</text>\n", "<text text-anchor=\"start\" x=\"236\" y=\"-138.8\" font-family=\"Lato\" font-size=\"14.00\">c</text>\n",
"</g>\n", "</g>\n",
"<!-- 2 -->\n",
"<g id=\"node4\" class=\"node\">\n",
"<title>2</title>\n",
"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"188\" cy=\"-34\" rx=\"18\" ry=\"18\"/>\n",
"<text text-anchor=\"middle\" x=\"188\" y=\"-30.3\" font-family=\"Lato\" font-size=\"14.00\">2</text>\n",
"</g>\n",
"<!-- 0&#45;&gt;2 -->\n",
"<g id=\"edge4\" class=\"edge\">\n",
"<title>0&#45;&gt;2</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M63.71,-144.67C69.74,-131.35 79.55,-112.57 92,-99 113.33,-75.75 144.49,-56.45 165.24,-45.07\"/>\n",
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"<text text-anchor=\"start\" x=\"92\" y=\"-102.8\" font-family=\"Lato\" font-size=\"14.00\">a &amp; b &amp; !c</text>\n",
"</g>\n",
"<!-- 3 -->\n", "<!-- 3 -->\n",
"<g id=\"node6\" class=\"node\">\n", "<g id=\"node5\" class=\"node\">\n",
"<title>3</title>\n", "<title>3</title>\n",
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"</g>\n", "</g>\n",
"<!-- 0&#45;&gt;3 -->\n", "<!-- 0&#45;&gt;3 -->\n",
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"<title>0&#45;&gt;3</title>\n", "<title>0&#45;&gt;3</title>\n",
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"</g>\n",
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"<title>2</title>\n",
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"</g>\n",
"<!-- 0&#45;&gt;2 -->\n",
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"<title>0&#45;&gt;2</title>\n",
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@ -5725,16 +5641,8 @@
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"</g>\n", "</g>\n",
"<!-- 2&#45;&gt;2 -->\n",
"<g id=\"edge7\" class=\"edge\">\n",
"<title>2&#45;&gt;2</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M179.37,-49.92C177.11,-60.15 179.99,-70 188,-70 194.13,-70 197.25,-64.23 197.37,-56.93\"/>\n",
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"<text text-anchor=\"start\" x=\"180\" y=\"-73.8\" font-family=\"Lato\" font-size=\"14.00\" fill=\"#1f78b4\">⓿</text>\n",
"</g>\n",
"<!-- 4 -->\n", "<!-- 4 -->\n",
"<g id=\"node5\" class=\"node\">\n", "<g id=\"node4\" class=\"node\">\n",
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"</g>\n", "</g>\n",
"<!-- 3&#45;&gt;0 -->\n", "<!-- 3&#45;&gt;3 -->\n",
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"<title>3&#45;&gt;0</title>\n", "<title>3&#45;&gt;3</title>\n",
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"<text text-anchor=\"start\" x=\"180\" y=\"-73.8\" font-family=\"Lato\" font-size=\"14.00\" fill=\"#1f78b4\">⓿</text>\n",
"</g>\n",
"<!-- 2&#45;&gt;0 -->\n",
"<g id=\"edge7\" class=\"edge\">\n",
"<title>2&#45;&gt;0</title>\n",
"<path fill=\"none\" stroke=\"black\" d=\"M169.95,-178.44C150.76,-180.68 118.75,-182.83 92,-177 87.54,-176.03 82.98,-174.44 78.67,-172.63\"/>\n", "<path fill=\"none\" stroke=\"black\" d=\"M169.95,-178.44C150.76,-180.68 118.75,-182.83 92,-177 87.54,-176.03 82.98,-174.44 78.67,-172.63\"/>\n",
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"</g>\n", "</g>\n",
"<!-- 3&#45;&gt;1 -->\n", "<!-- 2&#45;&gt;1 -->\n",
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"<title>3&#45;&gt;1</title>\n", "<title>2&#45;&gt;1</title>\n",
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"</g>\n", "</g>\n",
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"</g>\n", "</g>\n",
"<!-- 3&#45;&gt;3 -->\n", "<!-- 2&#45;&gt;2 -->\n",
"<g id=\"edge10\" class=\"edge\">\n", "<g id=\"edge9\" class=\"edge\">\n",
"<title>3&#45;&gt;3</title>\n", "<title>2&#45;&gt;2</title>\n",
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@ -5786,7 +5702,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ea1e0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c85d0> >"
] ]
}, },
"metadata": {}, "metadata": {},
@ -5927,7 +5843,7 @@
"</svg>\n" "</svg>\n"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0ea630> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c8cf0> >"
] ]
}, },
"execution_count": 21, "execution_count": 21,
@ -5941,14 +5857,14 @@
"for scc in range(si.scc_count()):\n", "for scc in range(si.scc_count()):\n",
" print(\"SCC #{} contains states {}\".format(scc, list(si.states_of(scc))))\n", " print(\"SCC #{} contains states {}\".format(scc, list(si.states_of(scc))))\n",
"display(aut)\n", "display(aut)\n",
"spot.decompose_scc(si, '0,2')" "spot.decompose_scc(si, '0,1')"
] ]
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"If an SCC number N is prefixed by `a`, it signifies that we want to extract the Nth *accepting* SCC. In the above example SCC 2 is rejecting so SCC `a2` denotes SCC 3." "If an SCC number N is prefixed by `a`, it signifies that we want to extract the (N+1)th *accepting* SCC. In the above example SCC 1 is rejecting so `a0`, `a1`, and `a2` denote respectively SCCs 0, 2, and 3."
] ]
}, },
{ {
@ -6030,7 +5946,7 @@
"</svg>\n" "</svg>\n"
], ],
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"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f09cc0eae70> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f1aa00c8b10> >"
] ]
}, },
"execution_count": 22, "execution_count": 22,
@ -6059,7 +5975,7 @@
"name": "python", "name": "python",
"nbconvert_exporter": "python", "nbconvert_exporter": "python",
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.9.1+" "version": "3.9.2"
} }
}, },
"nbformat": 4, "nbformat": 4,

11
tests/python/decompose_scc.py
View file

@ -1,5 +1,5 @@
# -*- mode: python; coding: utf-8 -*- # -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017 Laboratoire de Recherche et # Copyright (C) 2017, 2021 Laboratoire de Recherche et
# Développement de l'Epita # Développement de l'Epita
# #
# This file is part of Spot, a model checking library. # This file is part of Spot, a model checking library.
@ -22,7 +22,14 @@ import spot
aut = spot.translate('(Ga -> Gb) W c') aut = spot.translate('(Ga -> Gb) W c')
si = spot.scc_info(aut) si = spot.scc_info(aut)
assert (spot.decompose_scc(si, 2).to_str('hoa', '1.1') == """HOA: v1.1 # Extract the only rejecting SCC. Its number might differ
# if the generation of the automaton changes, so just scan
# for it.
rej = [j for j in range(si.scc_count()) if si.is_rejecting_scc(j)]
assert len(rej) == 1
s = spot.decompose_scc(si, rej[0]).to_str('hoa', '1.1')
assert (s == """HOA: v1.1
States: 3 States: 3
Start: 0 Start: 0
AP: 3 "b" "a" "c" AP: 3 "b" "a" "c"

16
tests/python/dualize.py
View file

@ -1,6 +1,6 @@
#!/usr/bin/python3 #!/usr/bin/python3
# -*- mode: python; coding: utf-8 -*- # -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017-2019 Laboratoire de Recherche et Développement de # Copyright (C) 2017-2019, 2021 Laboratoire de Recherche et Développement de
# l'EPITA. # l'EPITA.
# #
# This file is part of Spot, a model checking library. # This file is part of Spot, a model checking library.
@ -573,17 +573,17 @@ properties: deterministic univ-branch
--BODY-- --BODY--
State: 0 {0} State: 0 {0}
[0&1] 0 [0&1] 0
[0&!1] 1 [0&!1] 2
[!0&1] 0&1
[!0&!1] 1&2 [!0&!1] 1&2
[!0&1] 0&2
State: 1 State: 1
[0&1] 0
[0&!1] 1
[!0&!1] 1&2
[!0&1] 0&2
State: 2
[!0&1] 3 [!0&1] 3
[0 | !1] 4 [0 | !1] 4
State: 2
[0&1] 0
[0&!1] 2
[!0&1] 0&1
[!0&!1] 1&2
State: 3 {0} State: 3 {0}
[!0] 3 [!0] 3
[0] 4 [0] 4

10
tests/python/sccinfo.py
View file

@ -1,6 +1,6 @@
#!/usr/bin/python3 #!/usr/bin/python3
# -*- mode: python; coding: utf-8 -*- # -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017 Laboratoire de Recherche et Développement de # Copyright (C) 2017, 2021 Laboratoire de Recherche et Développement de
# l'EPITA. # l'EPITA.
# #
# This file is part of Spot, a model checking library. # This file is part of Spot, a model checking library.
@ -75,10 +75,10 @@ while todo:
todo.add(s) todo.add(s)
assert seen == {0, 1, 2, 3} assert seen == {0, 1, 2, 3}
assert trans == [(0, 0), (0, 1), (0, 2), (0, 3), assert trans == [(0, 0), (0, 1), (0, 2), (0, 3),
(3, 0), (3, 1), (3, 3), (3, 4), (2, 0), (2, 1), (2, 2), (2, 4),
(1, 1), (2, 2), (4, 1), (4, 4)] (1, 1), (4, 1), (4, 4), (3, 3)]
assert transi == [(0, 0, 1), (0, 3, 4), (3, 0, 7), assert transi == [(0, 0, 1), (0, 2, 3), (2, 0, 6),
(3, 3, 9), (1, 1, 5), (2, 2, 6), (4, 4, 12)] (2, 2, 8), (1, 1, 5), (4, 4, 12), (3, 3, 10)]
assert not spot.is_weak_automaton(a, si) assert not spot.is_weak_automaton(a, si)

14
tests/python/simstate.py
View file

@ -620,24 +620,24 @@ properties: trans-labels explicit-labels trans-acc stutter-invariant
State: 0 State: 0
[0] 0 [0] 0
[!0] 1 {0} [!0] 1 {0}
[0&1] 2 {0} [!0&1] 2
[!0&1] 3 [0&1] 3 {0}
State: 1 State: 1
[1] 1 [1] 1
[!1] 1 {0} [!1] 1 {0}
[!0&1] 3 [!0&1] 2
[0&1] 4 [0&1] 4
State: 2 State: 2
[0&1] 2 {0}
State: 3
[!1] 1 {0} [!1] 1 {0}
[!0&1] 3 [!0&1] 2
[0&1] 5 [0&1] 5
State: 3
[0&1] 3 {0}
State: 4 State: 4
[0&!1] 6 [0&!1] 6
State: 5 State: 5
[!0&!1] 1 {0} [!0&!1] 1 {0}
[!0&1] 3 [!0&1] 2
[0&1] 5 [0&1] 5
[0&!1] 6 {0} [0&!1] 6 {0}
State: 6 State: 6

593
tests/python/testingaut.ipynb
View file

@ -34,11 +34,11 @@
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"<!-- Pages: 1 -->\n", "<!-- Pages: 1 -->\n",
"<svg width=\"171pt\" height=\"125pt\"\n", "<svg width=\"170pt\" height=\"125pt\"\n",
" viewBox=\"0.00 0.00 171.00 124.80\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n", " viewBox=\"0.00 0.00 170.00 124.80\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
"<g id=\"graph0\" class=\"graph\" transform=\"scale(1.0 1.0) rotate(0) translate(4 120.8)\">\n", "<g id=\"graph0\" class=\"graph\" transform=\"scale(1.0 1.0) rotate(0) translate(4 120.8)\">\n",
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"<text text-anchor=\"start\" x=\"58.5\" y=\"-86.6\" font-family=\"Lato\" font-size=\"14.00\">[Büchi]</text>\n", "<text text-anchor=\"start\" x=\"59.5\" y=\"-86.6\" font-family=\"Lato\" font-size=\"14.00\">[Büchi]</text>\n",
"<!-- I -->\n", "<!-- I -->\n",
"<!-- 0 -->\n", "<!-- 0 -->\n",
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@ -62,29 +62,29 @@
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"<text text-anchor=\"middle\" x=\"141\" y=\"-18.3\" font-family=\"Lato\" font-size=\"14.00\">1</text>\n", "<text text-anchor=\"middle\" x=\"140\" y=\"-18.3\" font-family=\"Lato\" font-size=\"14.00\">1</text>\n",
"</g>\n", "</g>\n",
"<!-- 0&#45;&gt;1 -->\n", "<!-- 0&#45;&gt;1 -->\n",
"<g id=\"edge3\" class=\"edge\">\n", "<g id=\"edge3\" class=\"edge\">\n",
"<title>0&#45;&gt;1</title>\n", "<title>0&#45;&gt;1</title>\n",
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"</g>\n", "</g>\n",
"<!-- 1&#45;&gt;1 -->\n", "<!-- 1&#45;&gt;1 -->\n",
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@ -723,6 +723,13 @@
"source": [ "source": [
"spot.minimize_ta(ta).show('.A')" "spot.minimize_ta(ta).show('.A')"
] ]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
} }
], ],
"metadata": { "metadata": {
@ -741,7 +748,7 @@
"name": "python", "name": "python",
"nbconvert_exporter": "python", "nbconvert_exporter": "python",
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.7.5" "version": "3.9.2"
} }
}, },
"nbformat": 4, "nbformat": 4,

218
tests/python/word.ipynb
View file

@ -31,14 +31,14 @@
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"</g>\n", "</g>\n",
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], ],
"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f956c0198d0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f14f57d93c0> >"
] ]
}, },
"execution_count": 2, "execution_count": 2,
@ -198,10 +198,12 @@
" 0\n", " 0\n",
" | !a\n", " | !a\n",
" 1\n", " 1\n",
" | a\n", " | !a\n",
"Cycle:\n", "Cycle:\n",
" 2\n", " 2\n",
" | a & b\t{0}\n", " | a & b\t{0}\n",
" 3\n",
" | !a & b\n",
"\n" "\n"
] ]
} }
@ -253,16 +255,16 @@
"name": "stdout", "name": "stdout",
"output_type": "stream", "output_type": "stream",
"text": [ "text": [
"!a; a; cycle{a & b}\n" "!a; !a; cycle{a & b; !a & b}\n"
] ]
}, },
{ {
"data": { "data": {
"text/latex": [ "text/latex": [
"$\\lnot a; a; \\mathsf{cycle}\\{a \\land b\\}$" "$\\lnot a; \\lnot a; \\mathsf{cycle}\\{a \\land b; \\lnot a \\land b\\}$"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_word; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_word > *' at 0x7f956c019de0> >" "<spot.twa_word; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_word > *' at 0x7f14f57d9ed0> >"
] ]
}, },
"execution_count": 5, "execution_count": 5,
@ -292,14 +294,14 @@
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"\n", "\n",
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"<text x=\"150\" y=\"110\" text-anchor=\"start\" font-size=\"10\">cycle</text></svg>" "<text x=\"200\" y=\"110\" text-anchor=\"start\" font-size=\"10\">cycle</text></svg>"
], ],
"text/plain": [ "text/plain": [
"<spot.jupyter.SVG object>" "<spot.jupyter.SVG object>"
@ -331,22 +333,24 @@
"output_type": "stream", "output_type": "stream",
"text": [ "text": [
"!a\n", "!a\n",
"a\n", "!a\n",
"a & b\n" "a & b\n",
"!a & b\n"
] ]
} }
], ],
"source": [ "source": [
"print(spot.bdd_format_formula(aut.get_dict(), word.prefix[0]))\n", "print(spot.bdd_format_formula(aut.get_dict(), word.prefix[0]))\n",
"print(spot.bdd_format_formula(aut.get_dict(), word.prefix[1]))\n", "print(spot.bdd_format_formula(aut.get_dict(), word.prefix[1]))\n",
"print(spot.bdd_format_formula(aut.get_dict(), word.cycle[0]))" "print(spot.bdd_format_formula(aut.get_dict(), word.cycle[0]))\n",
"print(spot.bdd_format_formula(aut.get_dict(), word.cycle[1]))"
] ]
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"Calling `simplifify()` will produce a shorter word that is compatible with the original word. For instance in the above word, the initial `a` is compatible with both `a & b` and `a & !b`. The word obtained by restricting `a` to `a & b` is therefore still accepted, allowing us to remove the prefix." "Calling `simplifify()` will produce a shorter word that is compatible with the original word. For instance in the above word, the second `a` is compatible with `!a & b`, so the prefix can be shortened by rotating the cycle."
] ]
}, },
{ {
@ -358,7 +362,7 @@
"name": "stdout", "name": "stdout",
"output_type": "stream", "output_type": "stream",
"text": [ "text": [
"!a; cycle{a & b}\n" "!a; cycle{!a & b; a & b}\n"
] ]
} }
], ],
@ -382,10 +386,10 @@
{ {
"data": { "data": {
"text/latex": [ "text/latex": [
"$\\lnot a; \\mathsf{cycle}\\{a \\land b\\}$" "$\\lnot a; \\mathsf{cycle}\\{\\lnot a \\land b; a \\land b\\}$"
], ],
"text/plain": [ "text/plain": [
"<spot.twa_word; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_word > *' at 0x7f956c0388a0> >" "<spot.twa_word; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_word > *' at 0x7f14f57d9660> >"
] ]
}, },
"execution_count": 9, "execution_count": 9,
@ -436,7 +440,7 @@
"$a; a \\land b; \\mathsf{cycle}\\{\\lnot a \\land \\lnot b; \\lnot a \\land b\\}$" "$a; a \\land b; \\mathsf{cycle}\\{\\lnot a \\land \\lnot b; \\lnot a \\land b\\}$"
], ],
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"<spot.twa_word; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_word > *' at 0x7f956c038b70> >" "<spot.twa_word; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_word > *' at 0x7f14f5799ea0> >"
] ]
}, },
"execution_count": 11, "execution_count": 11,
@ -501,76 +505,76 @@
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"text/plain": [ "text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f956c0388d0> >" "<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f14f5799ed0> >"
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}, },
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@ -599,7 +603,7 @@
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