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python: better support for explicit Kripke

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Part of issue #376, reported by Hashim Ali.

* python/spot/impl.i: Add bindings for kripke_graph.
* python/spot/__init__.py (automaton): Add a want_kripke option.
* spot/kripke/kripkegraph.hh: Honnor the "state-names" property
when displaying states.
* spot/twaalgos/hoa.cc: Preserve names of Kripke states.
* tests/python/ltsmin-dve.ipynb: Illustrate all the above.
* NEWS: Mention those changes.
* THANKS: Add Hashim.
This commit is contained in:
Alexandre Duret-Lutz 2019-02-13 17:43:40 +01:00
parent a86925e20e
commit f26dd904ff
7 changed files with 393 additions and 33 deletions
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351
tests/python/ltsmin-dve.ipynb
View file

@ -436,7 +436,7 @@
"</svg>\n"
],
"text/plain": [
"<spot.impl.kripke; proxy of <Swig Object of type 'std::shared_ptr< spot::kripke > *' at 0x7f0f044132a0> >"
"<spot.impl.kripke; proxy of <Swig Object of type 'std::shared_ptr< spot::kripke > *' at 0x7fb8f84f9870> >"
]
},
"execution_count": 9,
@ -1265,7 +1265,7 @@
"</svg>\n"
],
"text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f0f04381d50> >"
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fb8f84691e0> >"
]
},
"execution_count": 12,
@ -1453,7 +1453,7 @@
"</svg>\n"
],
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"<spot.impl.twa_product; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_product > *' at 0x7fb8f8469360> >"
]
},
"execution_count": 13,
@ -1548,7 +1548,7 @@
},
{
"cell_type": "code",
"execution_count": 19,
"execution_count": 18,
"metadata": {},
"outputs": [
{
@ -1582,7 +1582,7 @@
},
{
"cell_type": "code",
"execution_count": 20,
"execution_count": 19,
"metadata": {},
"outputs": [
{
@ -1663,10 +1663,10 @@
"</svg>\n"
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"text/plain": [
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7f0f04392d80> >"
"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fb8f85624e0> >"
]
},
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"execution_count": 19,
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@ -1676,11 +1676,338 @@
]
},
{
"cell_type": "code",
"execution_count": null,
"cell_type": "markdown",
"metadata": {},
"outputs": [],
"source": []
"source": [
"# Saving Kripke structures to some file\n",
"\n",
"For experiments, it is sometime useful to save a Kripke structure in the HOA format. The HOA printer will automatically use `state-labels` for Kripke structures."
]
},
{
"cell_type": "code",
"execution_count": 20,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"HOA: v1\n",
"States: 22\n",
"Start: 0\n",
"AP: 3 \"a<1\" \"b>2\" \"dead\"\n",
"acc-name: all\n",
"Acceptance: 0 t\n",
"properties: state-labels explicit-labels state-acc\n",
"--BODY--\n",
"State: [0&!1&!2] 0 \"a=0, b=0, Q=0\"\n",
"1 2\n",
"State: [!0&!1&!2] 1 \"a=1, b=0, Q=0\"\n",
"3 4\n",
"State: [0&!1&!2] 2 \"a=0, b=1, Q=0\"\n",
"4 5\n",
"State: [!0&!1&!2] 3 \"a=2, b=0, Q=0\"\n",
"6 7\n",
"State: [!0&!1&!2] 4 \"a=1, b=1, Q=0\"\n",
"7 8\n",
"State: [0&!1&!2] 5 \"a=0, b=2, Q=0\"\n",
"8 9 10\n",
"State: [!0&!1&2] 6 \"a=3, b=0, Q=0\"\n",
"6\n",
"State: [!0&!1&!2] 7 \"a=2, b=1, Q=0\"\n",
"11 12\n",
"State: [!0&!1&!2] 8 \"a=1, b=2, Q=0\"\n",
"12 13 14\n",
"State: [0&1&!2] 9 \"a=0, b=3, Q=0\"\n",
"15\n",
"State: [0&!1&!2] 10 \"a=0, b=2, Q=1\"\n",
"14 15\n",
"State: [!0&!1&2] 11 \"a=3, b=1, Q=0\"\n",
"11\n",
"State: [!0&!1&!2] 12 \"a=2, b=2, Q=0\"\n",
"16 17 18\n",
"State: [!0&1&!2] 13 \"a=1, b=3, Q=0\"\n",
"19\n",
"State: [!0&!1&!2] 14 \"a=1, b=2, Q=1\"\n",
"18 19\n",
"State: [0&1&2] 15 \"a=0, b=3, Q=1\"\n",
"15\n",
"State: [!0&!1&!2] 16 \"a=3, b=2, Q=0\"\n",
"20\n",
"State: [!0&1&!2] 17 \"a=2, b=3, Q=0\"\n",
"21\n",
"State: [!0&!1&!2] 18 \"a=2, b=2, Q=1\"\n",
"20 21 12\n",
"State: [!0&1&2] 19 \"a=1, b=3, Q=1\"\n",
"19\n",
"State: [!0&!1&!2] 20 \"a=3, b=2, Q=1\"\n",
"16\n",
"State: [!0&1&!2] 21 \"a=2, b=3, Q=1\"\n",
"17\n",
"--END--\n"
]
}
],
"source": [
"string = k.to_str('hoa')\n",
"print(string)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"You can load this as a Kripke structure by passing the `want_kripke` option to `spot.automaton()`. The type `kripke_graph` stores the Kripke structure explicitely (like a `twa_graph` stores an automaton explicitely), so you may want to avoid it for very large modelsand use it only for development."
]
},
{
"cell_type": "code",
"execution_count": 21,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"<class 'spot.impl.kripke_graph'>\n"
]
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],
"text/plain": [
"<spot.impl.kripke_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::kripke_graph > *' at 0x7fb8f84690f0> >"
]
},
"execution_count": 21,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"k2 = spot.automaton(string, want_kripke=True)\n",
"print(type(k2))\n",
"k2"
]
}
],
"metadata": {
@ -1699,7 +2026,7 @@
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},
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