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scc_filter_states: also remove useless acceptance marks

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* src/twaalgos/sccfilter.hh,
src/twaalgos/sccfilter.cc (scc_filter_states): Remove useless acceptance
marks while preserving state-based acceptance.  Add a new argument
to specify if all useless mark have to be removed, like for scc_filter.
* src/twaalgos/simulation.cc: Use the new parameter.
* src/twaalgos/postproc.cc: Likewise.  Also call do_scc_filter even
after WDBA simplification to cleanup trivial SCCs.  Preserve state-based
acceptance for weak automata.
* src/tests/readsave.test: Add one test.
* src/tests/dstar.test, src/tests/prodor.test, src/tests/remfin.test,
src/tests/sim3.test, wrap/python/tests/automata.ipynb,
wrap/python/tests/piperead.ipynb: Adjust expected output.
* NEWS: Mention the change.
This commit is contained in:
Alexandre Duret-Lutz 2015-10-14 19:03:09 +02:00
parent 2af3678893
commit cd2e527526
12 changed files with 368 additions and 279 deletions
Download patch file Download diff file Expand all files Collapse all files

8
NEWS
View file

@ -10,6 +10,14 @@ New in spot 1.99.4a (not yet released)
are declared as weak. This code was previously in are declared as weak. This code was previously in
dtgba_complement(). dtgba_complement().
* scc_filter_states() has learnt to remove useless acceptance marks
that are on transitions between SCCs, while preserving state-based
acceptance. The most visible effect is in the output of "ltl2tgba
-s XXXa": it used to have 5 accepting states, it now has only one.
(Changing removing acceptance of those 4 states has no effect on
the language, but it speedup some algorithms like NDFS-based
emptiness checks, as discussed in our Spin'15 paper.)
Python: Python:
* Add bindings for complete() and dtwa_complement() * Add bindings for complete() and dtwa_complement()

2
src/tests/dstar.test
View file

@ -244,7 +244,7 @@ digraph G {
node [shape="circle"] node [shape="circle"]
I [label="", style=invis, width=0] I [label="", style=invis, width=0]
I -> 0 I -> 0
0 [label="0", peripheries=2] 0 [label="0"]
0 -> 1 [label="!a & !b"] 0 -> 1 [label="!a & !b"]
0 -> 2 [label="a & !b"] 0 -> 2 [label="a & !b"]
1 [label="1", peripheries=2] 1 [label="1", peripheries=2]

6
src/tests/prodor.test
View file

@ -96,15 +96,15 @@ Acceptance: 2 Inf(0) | Inf(1)
properties: trans-labels explicit-labels state-acc complete properties: trans-labels explicit-labels state-acc complete
properties: deterministic properties: deterministic
--BODY-- --BODY--
State: 0 {0 1} State: 0 {1}
[0] 1 [0] 1
[!0] 2 [!0] 2
State: 1 {0 1} State: 1 {1}
[0&1] 3 [0&1] 3
[!0&1] 4 [!0&1] 4
[0&!1] 5 [0&!1] 5
[!0&!1] 6 [!0&!1] 6
State: 2 {0} State: 2
[0&1] 3 [0&1] 3
[!0&1] 4 [!0&1] 4
[0&!1] 5 [0&!1] 5

37
src/tests/readsave.test
View file

@ -700,3 +700,40 @@ diff output3 expect3
$autfilt -Hk input 2>stderr && exit 1 $autfilt -Hk input 2>stderr && exit 1
grep 'print_hoa.*k' stderr grep 'print_hoa.*k' stderr
cat >input4 <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "a" "b"
Acceptance: 2 Inf(0) & Inf(1)
--BODY--
State: 0 {0} [0] 1
State: 1 {1} [1] 2
State: 2 {0 1} [0] 2
--END--
EOF
$autfilt -H --small --high input4 >output4
cat output4
cat >expect4<<EOF
HOA: v1
States: 3
Start: 1
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
properties: inherently-weak
--BODY--
State: 0
[1] 2
State: 1
[0] 0
State: 2 {0}
[0] 2
--END--
EOF
diff output4 expect4

38
src/tests/remfin.test
View file

@ -663,7 +663,7 @@ State: 6
[0] 0 [0] 0
[!0] 6 [!0] 6
State: 7 State: 7
[0] 4 {0} [0] 4
[!0] 6 [!0] 6
State: 8 State: 8
[0] 8 {0} [0] 8 {0}
@ -679,22 +679,22 @@ properties: trans-labels explicit-labels trans-acc
State: 0 State: 0
[0&1] 0 {0} [0&1] 0 {0}
[!0&1] 1 {0} [!0&1] 1 {0}
[0&!1] 11 {0} [0&!1] 11
[!0&!1] 12 [!0&!1] 12
State: 1 State: 1
[0&1] 0 {0} [0&1] 0 {0}
[!0&1] 1 {0} [!0&1] 1 {0}
[0&!1] 11 {0} [0&!1] 11
[!0&!1] 12 [!0&!1] 12
State: 2 State: 2
[!0&1] 2 {0} [!0&1] 2 {0}
[0&1] 9 [0&1] 9
[!0&!1] 10 {0} [!0&!1] 10
[0&!1] 11 {0} [0&!1] 11
State: 3 State: 3
[!0&1] 1 {0} [!0&1] 1
[0&1] 3 {0} [0&1] 3 {0}
[0&!1] 11 {0} [0&!1] 11
[!0&!1] 12 [!0&!1] 12
State: 4 State: 4
[!0&1] 4 {0} [!0&1] 4 {0}
@ -706,7 +706,7 @@ State: 5
[!0&!1] 10 {0} [!0&!1] 10 {0}
[0&!1] 12 [0&!1] 12
State: 6 State: 6
[!0&1] 4 {0} [!0&1] 4
[0&1] 6 {0} [0&1] 6 {0}
[0&!1] 11 {0} [0&!1] 11 {0}
[!0&!1] 12 [!0&!1] 12
@ -750,23 +750,23 @@ Start: 0
AP: 2 "p1" "p0" AP: 2 "p1" "p0"
acc-name: Buchi acc-name: Buchi
Acceptance: 1 Inf(0) Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete properties: trans-labels explicit-labels trans-acc complete
properties: deterministic properties: deterministic
--BODY-- --BODY--
State: 0 State: 0
[!1] 0 [!1] 0
[0&1] 2 [0&1] 2
[!0&1] 3 [!0&1] 3
State: 1 {0} State: 1
[!1] 1 [!1] 1 {0}
[1] 2 [1] 2 {0}
State: 2 {0} State: 2
[!1] 1 [!1] 1 {0}
[1] 2 [1] 2 {0}
State: 3 {0} State: 3
[!1] 0 [!1] 0 {0}
[0&1] 2 [0&1] 2
[!0&1] 3 [!0&1] 3 {0}
--END-- --END--
HOA: v1 HOA: v1
States: 5 States: 5
@ -782,7 +782,7 @@ State: 1
[t] 1 {0} [t] 1 {0}
State: 2 State: 2
[!0&1] 0 [!0&1] 0
[0] 1 {0} [0] 1
[!0&!1] 2 {0} [!0&!1] 2 {0}
State: 3 State: 3
[1] 0 [1] 0

2
src/tests/sim3.test
View file

@ -60,7 +60,7 @@ Acceptance: 4 (Fin(0) & Inf(1)) | (Fin(2) & Inf(3))
properties: trans-labels explicit-labels state-acc complete properties: trans-labels explicit-labels state-acc complete
properties: deterministic properties: deterministic
--BODY-- --BODY--
State: 0 {0} State: 0
[!1] 1 [!1] 1
[1] 3 [1] 3
State: 1 {1 3} State: 1 {1 3}

16
src/twaalgos/postproc.cc
View file

@ -144,8 +144,10 @@ namespace spot
{ {
if (scc_filter_ == 0) if (scc_filter_ == 0)
return a; return a;
if (state_based_ && a->has_state_based_acc()) // If the automaton is weak, using transition-based acceptance
return scc_filter_states(a); // won't help, so let's preserve it.
if ((state_based_ || a->is_inherently_weak()) && a->has_state_based_acc())
return scc_filter_states(a, arg);
else else
return scc_filter(a, arg); return scc_filter(a, arg);
} }
@ -186,7 +188,7 @@ namespace spot
|| (type_ == Monitor && a->num_sets() == 0)) || (type_ == Monitor && a->num_sets() == 0))
{ {
if (tgb_used) if (tgb_used)
a = do_scc_filter(a); a = do_scc_filter(a, true);
if (COMP_) if (COMP_)
a = complete(a); a = complete(a);
if (SBACC_) if (SBACC_)
@ -202,7 +204,7 @@ namespace spot
// ignored. // ignored.
a = scc_filter_states(a); a = scc_filter_states(a);
else else
a = do_scc_filter(a); a = do_scc_filter(a, (PREF_ == Any));
if (type_ == Monitor) if (type_ == Monitor)
{ {
@ -445,10 +447,12 @@ namespace spot
sim = nullptr; sim = nullptr;
} }
if (type_ == TGBA && level_ == High && scc_filter_ != 0) if (level_ == High && scc_filter_ != 0)
{ {
if (dba && !dba_is_minimal) // WDBA is already clean. if (dba)
{ {
// Do that even for WDBA, to remove marks from transitions
// leaving trivial SCCs.
dba = do_scc_filter(dba, true); dba = do_scc_filter(dba, true);
assert(!sim); assert(!sim);
} }

91
src/twaalgos/sccfilter.cc
View file

@ -126,8 +126,10 @@ namespace spot
// Remove acceptance conditions from all edges outside of // Remove acceptance conditions from all edges outside of
// non-accepting SCCs. If "RemoveAll" is false, keep those on // non-accepting SCCs. If "RemoveAll" is false, keep those on
// transitions entering accepting SCCs. // transitions entering accepting SCCs. If "PreserveSBA", is set
template <bool RemoveAll, class next_filter = id_filter> // only touch a transition if all its neighbor siblings can be
// touched as well.
template <bool RemoveAll, bool PreserveSBA, class next_filter = id_filter>
struct acc_filter_mask: next_filter struct acc_filter_mask: next_filter
{ {
acc_cond::mark_t accmask; acc_cond::mark_t accmask;
@ -154,16 +156,47 @@ namespace spot
if (keep) if (keep)
{ {
unsigned u = this->si->scc_of(dst); unsigned u = this->si->scc_of(src);
// If the edge is between two SCCs, we can simplify unsigned v = this->si->scc_of(dst);
// remove the acceptance sets. If the SCC is non-accepting, // The basic rules are as follows:
// we can only remove the Inf sets. //
if (RemoveAll && u != this->si->scc_of(src)) // - If an edge is between two SCCs, is OK to remove
acc = 0U; // all acceptance sets, as this edge cannot be part
else if (this->si->is_rejecting_scc(u)) // of any loop.
// - If an edge is in an non-accepting SCC, we can only
// remove the Inf sets, as removinf the Fin sets
// might make the SCC accepting.
//
// The above rules are made more complex with two flags:
//
// - If PreserveSBA is set, we have to tree a transition
// leaving an SCC as other transitions inside the SCC,
// otherwise we will break the property that all
// transitions leaving the same state have identical set
// membership.
// - If RemoveAll is false, we like to keep the membership
// of transitions entering an SCC. This can only be
// done if PreserveSBA is unset, unfortunately.
if (u == v)
{
if (this->si->is_rejecting_scc(u))
acc &= accmask; acc &= accmask;
} }
else if (PreserveSBA && this->si->is_rejecting_scc(u))
{
if (!this->si->is_trivial(u))
acc &= accmask; // No choice.
else if (RemoveAll)
acc = 0U;
}
else if (!PreserveSBA)
{
if (RemoveAll)
acc = 0U;
else if (this->si->is_rejecting_scc(v))
acc &= accmask;
}
}
return filtered_trans(keep, cond, acc); return filtered_trans(keep, cond, acc);
} }
}; };
@ -186,7 +219,7 @@ namespace spot
auto& acc = this->si->get_aut()->acc(); auto& acc = this->si->get_aut()->acc();
if (!acc.is_generalized_buchi()) if (!acc.is_generalized_buchi())
throw std::runtime_error throw std::runtime_error
("simplification of SCC acceptance work only with " ("simplification of SCC acceptance works only with "
"generalized Büchi acceptance"); "generalized Büchi acceptance");
unsigned scc_count = this->si->scc_count(); unsigned scc_count = this->si->scc_count();
@ -243,10 +276,11 @@ namespace spot
twa_graph_ptr scc_filter_apply(const_twa_graph_ptr aut, twa_graph_ptr scc_filter_apply(const_twa_graph_ptr aut,
scc_info* given_si, Args&&... args) scc_info* given_si, Args&&... args)
{ {
unsigned in_n = aut->num_states();
if (in_n == 0) // nothing to filter.
return make_twa_graph(aut, twa::prop_set::all());
twa_graph_ptr filtered = make_twa_graph(aut->get_dict()); twa_graph_ptr filtered = make_twa_graph(aut->get_dict());
unsigned in_n = aut->num_states(); // Number of input states.
if (in_n == 0) // Nothing to filter.
return filtered;
filtered->copy_ap_of(aut); filtered->copy_ap_of(aut);
// Compute scc_info if not supplied. // Compute scc_info if not supplied.
@ -302,9 +336,16 @@ namespace spot
} }
twa_graph_ptr twa_graph_ptr
scc_filter_states(const const_twa_graph_ptr& aut, scc_info* given_si) scc_filter_states(const const_twa_graph_ptr& aut, bool remove_all_useless,
scc_info* given_si)
{ {
auto res = scc_filter_apply<state_filter<>>(aut, given_si); twa_graph_ptr res;
if (remove_all_useless)
res = scc_filter_apply<state_filter
<acc_filter_mask<true, true>>>(aut, given_si);
else
res = scc_filter_apply<state_filter
<acc_filter_mask<false, true>>>(aut, given_si);
res->prop_copy(aut, { true, true, true, true }); res->prop_copy(aut, { true, true, true, true });
return res; return res;
} }
@ -321,21 +362,25 @@ namespace spot
res = res =
scc_filter_apply<state_filter scc_filter_apply<state_filter
<acc_filter_mask <acc_filter_mask
<true, acc_filter_simplify<>>>>(aut, given_si); <true, false,
acc_filter_simplify<>>>>(aut, given_si);
else else
res = res =
scc_filter_apply<state_filter scc_filter_apply<state_filter
<acc_filter_mask <acc_filter_mask
<false, acc_filter_simplify<>>>>(aut, given_si); <false, false,
acc_filter_simplify<>>>>(aut, given_si);
} }
else else
{ {
if (remove_all_useless) if (remove_all_useless)
res = scc_filter_apply<state_filter res = scc_filter_apply<state_filter
<acc_filter_mask<true>>>(aut, given_si); <acc_filter_mask
<true, false>>>(aut, given_si);
else else
res = scc_filter_apply<state_filter res = scc_filter_apply<state_filter
<acc_filter_mask<false>>>(aut, given_si); <acc_filter_mask
<false, false>>>(aut, given_si);
} }
res->merge_edges(); res->merge_edges();
res->prop_copy(aut, res->prop_copy(aut,
@ -357,7 +402,8 @@ namespace spot
res = scc_filter_apply<susp_filter res = scc_filter_apply<susp_filter
<state_filter <state_filter
<acc_filter_mask <acc_filter_mask
<true, acc_filter_simplify<>>>>>(aut, given_si, <true, false,
acc_filter_simplify<>>>>>(aut, given_si,
suspvars, suspvars,
ignoredvars, ignoredvars,
early_susp); early_susp);
@ -365,7 +411,8 @@ namespace spot
res = scc_filter_apply<susp_filter res = scc_filter_apply<susp_filter
<state_filter <state_filter
<acc_filter_mask <acc_filter_mask
<false, acc_filter_simplify<>>>>>(aut, given_si, <false, false,
acc_filter_simplify<>>>>>(aut, given_si,
suspvars, suspvars,
ignoredvars, ignoredvars,
early_susp); early_susp);

12
src/twaalgos/sccfilter.hh
View file

@ -63,14 +63,14 @@ namespace spot
/// \brief Prune unaccepting SCCs. /// \brief Prune unaccepting SCCs.
/// ///
/// This is an abridged version of scc_filter(), that only removes /// This is an abridged version of scc_filter(), that preserves
/// useless states, without touching at the acceptance conditions. /// state-based acceptance. I.e., if the input TωA has the SBA
/// /// property, (i.e., transitions leaving accepting states are all
/// Especially, if the input TωA has the SBA property, (i.e., /// marked as accepting), then the output TωA will also have that
/// transitions leaving accepting states are all marked as /// property.
/// accepting), then the output TGBA will also have that property.
SPOT_API twa_graph_ptr SPOT_API twa_graph_ptr
scc_filter_states(const const_twa_graph_ptr& aut, scc_filter_states(const const_twa_graph_ptr& aut,
bool remove_all_useless = false,
scc_info* given_si = nullptr); scc_info* given_si = nullptr);
/// \brief Prune unaccepting SCCs, superfluous acceptance /// \brief Prune unaccepting SCCs, superfluous acceptance

2
src/twaalgos/simulation.cc
View file

@ -777,7 +777,7 @@ namespace spot
res = cosimul.run(); res = cosimul.run();
if (Sba) if (Sba)
res = scc_filter_states(res); res = scc_filter_states(res, false);
else else
res = scc_filter(res, false); res = scc_filter(res, false);

362
wrap/python/tests/automata.ipynb
View file

@ -17,8 +17,7 @@
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.4.3+" "version": "3.4.3+"
}, },
"name": "", "name": ""
"signature": "sha256:6b034a8346695a3f327fd50e8c768209ea3d931598b99d5d80508685976c255e"
}, },
"nbformat": 3, "nbformat": 3,
"nbformat_minor": 0, "nbformat_minor": 0,
@ -177,7 +176,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998ab6540> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e58013ea0> >"
] ]
} }
], ],
@ -316,7 +315,7 @@
"</svg>" "</svg>"
], ],
"text": [ "text": [
"<IPython.core.display.SVG at 0x7f2999748ef0>" "<IPython.core.display.SVG object>"
] ]
} }
], ],
@ -469,7 +468,7 @@
"</svg>" "</svg>"
], ],
"text": [ "text": [
"<IPython.core.display.SVG at 0x7f29980f6400>" "<IPython.core.display.SVG object>"
] ]
} }
], ],
@ -569,7 +568,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998a8be40> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e4afe6720> >"
] ]
} }
], ],
@ -639,7 +638,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998a8bed0> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e4afe6870> >"
] ]
} }
], ],
@ -715,7 +714,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998a8b840> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e4afe6600> >"
] ]
} }
], ],
@ -838,7 +837,7 @@
"</svg>" "</svg>"
], ],
"text": [ "text": [
"<IPython.core.display.SVG at 0x7f299809eda0>" "<IPython.core.display.SVG object>"
] ]
} }
], ],
@ -1028,7 +1027,7 @@
"</svg>" "</svg>"
], ],
"text": [ "text": [
"<IPython.core.display.SVG at 0x7f29980bb710>" "<IPython.core.display.SVG object>"
] ]
} }
], ],
@ -1175,7 +1174,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998a280f0> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e4afe6180> >"
] ]
} }
], ],
@ -1276,7 +1275,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998a28120> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e4afe6330> >"
] ]
} }
], ],
@ -1394,7 +1393,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2998a28150> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f2e4afe66c0> >"
] ]
} }
], ],
@ -1427,11 +1426,11 @@
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"<svg width=\"332pt\" height=\"92pt\"\n", "<svg width=\"325pt\" height=\"92pt\"\n",
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"<!-- 0 -->\n", "<!-- 0 -->\n",
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@ -1473,28 +1472,27 @@
"</g>\n", "</g>\n",
"<!-- 3 -->\n", "<!-- 3 -->\n",
"<g id=\"node5\" class=\"node\"><title>3</title>\n", "<g id=\"node5\" class=\"node\"><title>3</title>\n",
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"<text text-anchor=\"middle\" x=\"306\" y=\"-14.3\" font-family=\"Lato\" font-size=\"14.00\">3</text>\n", "<text text-anchor=\"middle\" x=\"299\" y=\"-14.3\" font-family=\"Lato\" font-size=\"14.00\">3</text>\n",
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57
wrap/python/tests/piperead.ipynb
View file

@ -43,7 +43,7 @@
"source": [ "source": [
"# Reading automata output from processes\n", "# Reading automata output from processes\n",
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], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7faffcc257b0> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f3fa02ed3f0> >"
] ]
}, },
{ {
@ -265,7 +264,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7faffcc25750> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f3fa02ed390> >"
] ]
} }
], ],
@ -342,7 +341,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7faffcc25f60> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f3fa02ed480> >"
] ]
} }
], ],
@ -374,8 +373,8 @@
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m", "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)", "\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-4-765c7cc6937f>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomaton\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'non-existing-command|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m", "\u001b[1;32m<ipython-input-4-765c7cc6937f>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomaton\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'non-existing-command|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomaton\u001b[1;34m(filename)\u001b[0m\n\u001b[0;32m 216\u001b[0m See `spot.automata()` for a list of supported formats.\"\"\"\n\u001b[0;32m 217\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 218\u001b[1;33m \u001b[1;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 219\u001b[0m \u001b[1;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 220\u001b[0m \u001b[1;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Failed to read automaton from {}\"\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n", "\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomaton\u001b[1;34m(filename)\u001b[0m\n\u001b[0;32m 369\u001b[0m See `spot.automata` for a list of supported formats.\"\"\"\n\u001b[0;32m 370\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 371\u001b[1;33m \u001b[1;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 372\u001b[0m \u001b[1;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 373\u001b[0m \u001b[1;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Failed to read automaton from {}\"\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 208\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 209\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 210\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 211\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 212\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n", "\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 360\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 361\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 362\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 363\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 364\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mRuntimeError\u001b[0m: Command non-existing-command exited with exit status 127" "\u001b[1;31mRuntimeError\u001b[0m: Command non-existing-command exited with exit status 127"
] ]
} }
@ -446,7 +445,7 @@
"</svg>\n" "</svg>\n"
], ],
"text": [ "text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7faffcc25720> >" "<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f3fa02edea0> >"
] ]
}, },
{ {
@ -457,7 +456,7 @@
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m", "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)", "\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-5-21a24ff75c32>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[1;32mfor\u001b[0m \u001b[0ma\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"ltl2tgba -H 'a U b'|\"\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;34m'ltl2tgba -f \"syntax U U error\"|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 2\u001b[0m \u001b[0mdisplay\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0ma\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n", "\u001b[1;32m<ipython-input-5-21a24ff75c32>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[1;32mfor\u001b[0m \u001b[0ma\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"ltl2tgba -H 'a U b'|\"\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;34m'ltl2tgba -f \"syntax U U error\"|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 2\u001b[0m \u001b[0mdisplay\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0ma\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 208\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 209\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 210\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 211\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 212\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n", "\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 360\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 361\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 362\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 363\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 364\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mRuntimeError\u001b[0m: Command ltl2tgba -f \"syntax U U error\" exited with exit status 2" "\u001b[1;31mRuntimeError\u001b[0m: Command ltl2tgba -f \"syntax U U error\" exited with exit status 2"
] ]
} }
@ -488,8 +487,8 @@
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m", "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)", "\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-6-029e1e5901f7>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomaton\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'false|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m", "\u001b[1;32m<ipython-input-6-029e1e5901f7>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomaton\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'false|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomaton\u001b[1;34m(filename)\u001b[0m\n\u001b[0;32m 216\u001b[0m See `spot.automata()` for a list of supported formats.\"\"\"\n\u001b[0;32m 217\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 218\u001b[1;33m \u001b[1;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 219\u001b[0m \u001b[1;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 220\u001b[0m \u001b[1;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Failed to read automaton from {}\"\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n", "\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomaton\u001b[1;34m(filename)\u001b[0m\n\u001b[0;32m 369\u001b[0m See `spot.automata` for a list of supported formats.\"\"\"\n\u001b[0;32m 370\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 371\u001b[1;33m \u001b[1;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 372\u001b[0m \u001b[1;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 373\u001b[0m \u001b[1;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Failed to read automaton from {}\"\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 208\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 209\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 210\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 211\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 212\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n", "\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 360\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 361\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 362\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 363\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 364\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mRuntimeError\u001b[0m: Command false exited with exit status 1" "\u001b[1;31mRuntimeError\u001b[0m: Command false exited with exit status 1"
] ]
} }