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postproc: introduce -x merge-states-min

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* spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh: Introduce a
merge-states-min option.
* bin/spot-x.cc: Document it.
* spot/gen/automata.cc, spot/gen/automata.hh, bin/genaut.cc: Add
option to generate cyclist test cases.
* NEWS: Document the above.
* tests/core/included.test: Add test cases that used to be too slow.
This commit is contained in:
Alexandre Duret-Lutz 2022-09-13 13:53:59 +02:00
parent d9248e2e97
commit b3b22388c9
8 changed files with 99 additions and 8 deletions
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7
bin/genaut.cc
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@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2017-2019 Laboratoire de Recherche et Développement
// Copyright (C) 2017-2019, 2022 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -62,6 +62,11 @@ static const argp_option options[] =
{ "m-nba", gen::AUT_M_NBA, "RANGE", 0,
"An NBA with N+1 states whose determinization needs at least "
"N! states", 0},
{ "cyclist-trace-nba", gen::AUT_CYCLIST_TRACE_NBA, "RANGE", 0,
"An NBA with N+2 states that should include cyclist-proof-dba=B.", 0},
{ "cyclist-proof-dba", gen::AUT_CYCLIST_PROOF_DBA, "RANGE", 0,
"A DBA with N+2 states that should be included "
"in cyclist-trace-nba=B.", 0},
RANGE_DOC,
/**************************************************/
{ nullptr, 0, nullptr, 0, "Miscellaneous options:", -1 },

6
bin/spot-x.cc
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@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2013-2021 Laboratoire de Recherche et Développement
// Copyright (C) 2013-2022 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -164,6 +164,10 @@ Set to 1 to use only direct simulation. Set to 2 to use only reverse \
simulation. Set to 3 to iterate both direct and reverse simulations. \
The default is the value of parameter \"simul\" in --high mode, and 0 \
therwise.") },
{ DOC("merge-states-min", "Number of states above which states are \
merged using a cheap approximation of a bisimulation quotient before \
attempting simulation-based reductions. Defaults to 128. Set to 0 to \
never merge states.") },
{ DOC("simul-max", "Number of states above which simulation-based \
reductions are skipped. Defaults to 4096. Set to 0 to disable. This \
applies to all simulation-based optimization, including thoses of the \