autfilt: add a --remove-ap option
* src/tgbaalgos/remprop.cc, src/tgbaalgos/remprop.hh: New files. * src/tgbaalgos/Makefile.am: Add them. * src/tgbatest/remprop.test: New test. * src/tgbatest/Makefile.am: Add it. * src/bin/autfilt.cc: Implement the option. * doc/org/autfilt.org: Document it.
This commit is contained in:
Alexandre Duret-Lutz
parent
e592832a3e
commit
4553ac06cf
7 changed files with 497 additions and 32 deletions
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@ -260,8 +260,11 @@ autfilt --help | sed -n '/Transformations:/,/^$/p' | sed '1d;$d'
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--product=FILENAME build the product with the automaton in FILENAME
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--randomize[=s|t] randomize states and transitions (specify 's' or
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't' to randomize only states or transitions)
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--remove-fin rewrite the automaton without using Fin acceptance
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--remove-ap=AP[=0|=1][,AP...]
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remove atomic propositions either by existential
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quantification, or by assigning them 0 or 1
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--remove-fin rewrite the automaton without using Fin
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acceptance
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--state-based-acceptance, --sbacc
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define the acceptance using states
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--strip-acceptance remove the acceptance condition and all acceptance
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@ -531,3 +534,117 @@ $txt
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#+RESULTS:
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[[file:autfilt-ex5.png]]
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Atomic propositions can be removed from an automaton in three ways:
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- use ~--remove-ap=a~ to remove =a= by existential quantification, i.e., both =a= and its negation will be replaced by true.
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This does not remove any transition.
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- use ~--remove-ap=a=0~ to keep only transitions compatible with =!a= (i.e, transitions requiring =a= will be removed).
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- use ~--remove-ap=a=1~ to keep only transitions compatible with =a= (i.e, transitions requiring =!a= will be removed).
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Here are the results of these three options on our example:
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#+NAME: autfilt-ex6a
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#+BEGIN_SRC sh :results verbatim :export code
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autfilt --remove-ap=a aut-ex1.hoa --dot=.a
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#+END_SRC
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#+RESULTS: autfilt-ex6a
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#+begin_example
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digraph G {
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rankdir=LR
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label=<(Fin(<font color="#F17CB0">❶</font>) & Fin(<font color="#B276B2">❸</font>) & Inf(<font color="#5DA5DA">⓿</font>)) | (Inf(<font color="#FAA43A">❷</font>)&Inf(<font color="#B276B2">❸</font>)) | Inf(<font color="#F17CB0">❶</font>)>
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labelloc="t"
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fontname="Lato"
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node [fontname="Lato"]
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edge [fontname="Lato"]
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node[style=filled, fillcolor="#ffffa0"]
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I [label="", style=invis, width=0]
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I -> 0
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0 [label="0"]
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0 -> 0 [label=<1<br/><font color="#B276B2">❸</font>>]
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0 -> 1 [label=<1<br/><font color="#F17CB0">❶</font><font color="#B276B2">❸</font>>]
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0 -> 2 [label=<1<br/><font color="#5DA5DA">⓿</font><font color="#B276B2">❸</font>>]
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1 [label="1"]
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1 -> 0 [label=<b<br/><font color="#B276B2">❸</font>>]
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1 -> 1 [label=<b<br/><font color="#5DA5DA">⓿</font><font color="#B276B2">❸</font>>]
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1 -> 2 [label=<b<br/><font color="#FAA43A">❷</font><font color="#B276B2">❸</font>>]
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2 [label="2"]
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2 -> 0 [label=<!b>]
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2 -> 1 [label=<!b<br/><font color="#5DA5DA">⓿</font>>]
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2 -> 2 [label=<!b<br/><font color="#5DA5DA">⓿</font>>]
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}
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#+end_example
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#+BEGIN_SRC dot :file autfilt-ex6a.png :cmdline -Tpng :var txt=autfilt-ex6a :exports results
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$txt
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#+END_SRC
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#+RESULTS:
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[[file:autfilt-ex6a.png]]
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#+NAME: autfilt-ex6b
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#+BEGIN_SRC sh :results verbatim :export code
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autfilt --remove-ap=a=0 aut-ex1.hoa --dot=.a
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#+END_SRC
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#+RESULTS: autfilt-ex6b
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#+begin_example
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digraph G {
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rankdir=LR
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label=<(Fin(<font color="#F17CB0">❶</font>) & Fin(<font color="#B276B2">❸</font>) & Inf(<font color="#5DA5DA">⓿</font>)) | (Inf(<font color="#FAA43A">❷</font>)&Inf(<font color="#B276B2">❸</font>)) | Inf(<font color="#F17CB0">❶</font>)>
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labelloc="t"
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fontname="Lato"
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node [fontname="Lato"]
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edge [fontname="Lato"]
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node[style=filled, fillcolor="#ffffa0"]
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I [label="", style=invis, width=0]
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I -> 0
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0 [label="0"]
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0 -> 0 [label=<1<br/><font color="#B276B2">❸</font>>]
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0 -> 1 [label=<1<br/><font color="#5DA5DA">⓿</font><font color="#B276B2">❸</font>>]
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1 [label="1"]
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1 -> 0 [label=<!b>]
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1 -> 1 [label=<!b<br/><font color="#5DA5DA">⓿</font>>]
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}
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#+end_example
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#+BEGIN_SRC dot :file autfilt-ex6b.png :cmdline -Tpng :var txt=autfilt-ex6b :exports results
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$txt
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#+END_SRC
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#+RESULTS:
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[[file:autfilt-ex6b.png]]
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#+NAME: autfilt-ex6c
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#+BEGIN_SRC sh :results verbatim :export code
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autfilt --remove-ap=a=1 aut-ex1.hoa --dot=.a
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#+END_SRC
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#+RESULTS: autfilt-ex6c
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#+begin_example
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digraph G {
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rankdir=LR
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label=<(Fin(<font color="#F17CB0">❶</font>) & Fin(<font color="#B276B2">❸</font>) & Inf(<font color="#5DA5DA">⓿</font>)) | (Inf(<font color="#FAA43A">❷</font>)&Inf(<font color="#B276B2">❸</font>)) | Inf(<font color="#F17CB0">❶</font>)>
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labelloc="t"
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fontname="Lato"
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node [fontname="Lato"]
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edge [fontname="Lato"]
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node[style=filled, fillcolor="#ffffa0"]
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I [label="", style=invis, width=0]
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I -> 0
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0 [label="0"]
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0 -> 0 [label=<1<br/><font color="#B276B2">❸</font>>]
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0 -> 1 [label=<1<br/><font color="#F17CB0">❶</font><font color="#B276B2">❸</font>>]
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1 [label="1"]
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1 -> 0 [label=<b<br/><font color="#B276B2">❸</font>>]
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1 -> 1 [label=<b<br/><font color="#5DA5DA">⓿</font><font color="#B276B2">❸</font>>]
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}
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#+end_example
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#+BEGIN_SRC dot :file autfilt-ex6c.png :cmdline -Tpng :var txt=autfilt-ex6c :exports results
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$txt
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#+END_SRC
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#+RESULTS:
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[[file:autfilt-ex6c.png]]
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@ -44,6 +44,7 @@
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#include "misc/random.hh"
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#include "hoaparse/public.hh"
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#include "ltlvisit/exclusive.hh"
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#include "tgbaalgos/remprop.hh"
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#include "tgbaalgos/randomize.hh"
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#include "tgbaalgos/are_isomorphic.hh"
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#include "tgbaalgos/canonicalize.hh"
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@ -83,6 +84,7 @@ enum {
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OPT_MERGE,
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OPT_PRODUCT,
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OPT_RANDOMIZE,
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OPT_REM_AP,
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OPT_REM_FIN,
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OPT_SBACC,
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OPT_SEED,
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@ -145,6 +147,9 @@ static const argp_option options[] =
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"ensure two of them may not be true at the same time. Use this option "
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"multiple times to declare independent groups of exclusive "
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"propositions.", 0 },
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{ "remove-ap", OPT_REM_AP, "AP[=0|=1][,AP...]", 0,
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"remove atomic propositions either by existential quantification, or "
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"by assigning them 0 or 1", 0 },
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/**************************************************/
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{ 0, 0, 0, 0, "Filtering options:", 6 },
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{ "are-isomorphic", OPT_ARE_ISOMORPHIC, "FILENAME", 0,
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@ -233,6 +238,7 @@ static spot::acc_cond::mark_t opt_mask_acc = 0U;
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static std::vector<bool> opt_keep_states = {};
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static unsigned int opt_keep_states_initial = 0;
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static spot::exclusive_ap excl_ap;
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static spot::remove_ap rem_ap;
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static int
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parse_opt(int key, char* arg, struct argp_state*)
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@ -385,6 +391,9 @@ parse_opt(int key, char* arg, struct argp_state*)
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randomize_st = true;
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}
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break;
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case OPT_REM_AP:
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rem_ap.add_ap(arg);
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break;
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case OPT_REM_FIN:
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opt_rem_fin = true;
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break;
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@ -504,6 +513,9 @@ namespace
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if (!excl_ap.empty())
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aut = excl_ap.constrain(aut);
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if (!rem_ap.empty())
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aut = rem_ap.strip(aut);
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if (opt_destut)
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aut = spot::closure(std::move(aut));
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if (opt_instut == 1)
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@ -586,38 +598,38 @@ main(int argc, char** argv)
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const argp ap = { options, parse_opt, "[FILENAMES...]",
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argp_program_doc, children, 0, 0 };
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// This will ensure that all objects stored in this struct are
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// destroyed before global variables.
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opt_t o;
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opt = &o;
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// Disable post-processing as much as possible by default.
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level = spot::postprocessor::Low;
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pref = spot::postprocessor::Any;
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if (int err = argp_parse(&ap, argc, argv, ARGP_NO_HELP, 0, 0))
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exit(err);
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if (jobs.empty())
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jobs.emplace_back("-", true);
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if (opt->are_isomorphic)
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{
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if (opt_merge)
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opt->are_isomorphic->merge_transitions();
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opt->isomorphism_checker = std::unique_ptr<spot::isomorphism_checker>
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(new spot::isomorphism_checker(opt->are_isomorphic));
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}
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spot::srand(opt_seed);
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spot::postprocessor post(&extra_options);
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post.set_pref(pref | comp);
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post.set_type(type);
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post.set_level(level);
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try
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{
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// This will ensure that all objects stored in this struct are
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// destroyed before global variables.
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opt_t o;
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opt = &o;
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// Disable post-processing as much as possible by default.
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level = spot::postprocessor::Low;
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pref = spot::postprocessor::Any;
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if (int err = argp_parse(&ap, argc, argv, ARGP_NO_HELP, 0, 0))
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exit(err);
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if (jobs.empty())
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jobs.emplace_back("-", true);
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if (opt->are_isomorphic)
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{
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if (opt_merge)
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opt->are_isomorphic->merge_transitions();
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opt->isomorphism_checker = std::unique_ptr<spot::isomorphism_checker>
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(new spot::isomorphism_checker(opt->are_isomorphic));
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}
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spot::srand(opt_seed);
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spot::postprocessor post(&extra_options);
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post.set_pref(pref | comp);
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post.set_type(type);
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post.set_level(level);
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hoa_processor processor(post);
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if (processor.run())
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return 2;
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@ -626,6 +638,10 @@ main(int argc, char** argv)
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{
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error(2, 0, "%s", e.what());
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}
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catch (const std::invalid_argument& e)
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{
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error(2, 0, "%s", e.what());
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}
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if (automaton_format == Count)
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std::cout << match_count << std::endl;
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@ -64,6 +64,7 @@ tgbaalgos_HEADERS = \
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reducerun.hh \
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relabel.hh \
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remfin.hh \
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remprop.hh \
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replayrun.hh \
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safety.hh \
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sbacc.hh \
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@ -117,6 +118,7 @@ libtgbaalgos_la_SOURCES = \
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reachiter.cc \
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reducerun.cc \
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remfin.cc \
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remprop.cc \
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replayrun.cc \
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relabel.cc \
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safety.cc \
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188
src/tgbaalgos/remprop.cc
Normal file
188
src/tgbaalgos/remprop.cc
Normal file
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@ -0,0 +1,188 @@
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// -*- coding: utf-8 -*-
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// Copyright (C) 2015 Laboratoire de Recherche et Développement de
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// l'Epita (LRDE).
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "remprop.hh"
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#include "ltlenv/defaultenv.hh"
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#include "tgbaalgos/mask.hh"
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#include "misc/casts.hh"
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#include "ltlvisit/tostring.hh"
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#include <ctype.h>
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#include <sstream>
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namespace spot
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{
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remove_ap::~remove_ap()
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{
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for (auto& ap: props_exist)
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ap->destroy();
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for (auto& ap: props_pos)
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ap->destroy();
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for (auto& ap: props_neg)
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ap->destroy();
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}
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namespace
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{
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static
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void unexpected_char(const char* arg, const char* pos)
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{
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std::ostringstream out;
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out << "unexpected ";
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if (isprint(*pos))
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out << '\'' << *pos << '\'';
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else
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out << "character";
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out << " at position " << pos - arg << " in '";
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out << arg << '\'';
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throw std::invalid_argument(out.str());
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}
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}
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void remove_ap::add_ap(const char* arg)
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{
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auto& env = spot::ltl::default_environment::instance();
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std::vector<const spot::ltl::atomic_prop*> group;
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auto start = arg;
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while (*start)
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{
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while (*start == ' ' || *start == '\t')
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++start;
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if (!*start)
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break;
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if (*start == ',' || *start == '=')
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unexpected_char(arg, start);
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const spot::ltl::atomic_prop* the_ap = nullptr;
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if (*start == '"')
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{
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auto end = ++start;
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while (*end && *end != '"')
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{
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if (*end == '\\')
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++end;
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++end;
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}
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if (!*end)
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{
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std::string s = "missing closing '\"' in ";
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s += arg;
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throw std::invalid_argument(s);
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}
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std::string ap(start, end - start);
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auto* t = env.require(ap);
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the_ap = down_cast<const spot::ltl::atomic_prop*>(t);
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do
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++end;
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while (*end == ' ' || *end == '\t');
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start = end;
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}
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else
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{
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auto end = start;
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while (*end && *end != ',' && *end != '=')
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++end;
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auto rend = end;
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while (rend > start && (rend[-1] == ' ' || rend[-1] == '\t'))
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--rend;
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std::string ap(start, rend - start);
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auto* t = env.require(ap);
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the_ap = down_cast<const spot::ltl::atomic_prop*>(t);
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start = end;
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}
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if (*start)
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{
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if (!(*start == ',' || *start == '='))
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unexpected_char(arg, start);
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if (*start == '=')
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{
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do
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++start;
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while (*start == ' ' || *start == '\t');
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if (*start == '0')
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props_neg.insert(the_ap);
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else if (*start == '1')
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props_pos.insert(the_ap);
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else
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unexpected_char(arg, start);
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the_ap = nullptr;
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do
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++start;
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while (*start == ' ' || *start == '\t');
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}
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if (*start)
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{
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if (*start != ',')
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unexpected_char(arg, start);
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++start;
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}
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}
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if (the_ap)
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props_exist.insert(the_ap);
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}
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}
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tgba_digraph_ptr remove_ap::strip(const_tgba_digraph_ptr aut) const
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{
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bdd restrict = bddtrue;
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bdd exist = bddtrue;
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auto d = aut->get_dict();
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tgba_digraph_ptr res = make_tgba_digraph(d);
|
||||
res->copy_ap_of(aut);
|
||||
res->prop_copy(aut, { true, true, false, false });
|
||||
res->copy_acceptance_of(aut);
|
||||
|
||||
for (auto ap: props_exist)
|
||||
{
|
||||
int v = d->has_registered_proposition(ap, aut);
|
||||
if (v >= 0)
|
||||
{
|
||||
exist &= bdd_ithvar(v);
|
||||
d->unregister_variable(v, res);
|
||||
}
|
||||
}
|
||||
for (auto ap: props_pos)
|
||||
{
|
||||
int v = d->has_registered_proposition(ap, aut);
|
||||
if (v >= 0)
|
||||
{
|
||||
restrict &= bdd_ithvar(v);
|
||||
d->unregister_variable(v, res);
|
||||
}
|
||||
}
|
||||
for (auto ap: props_neg)
|
||||
{
|
||||
int v = d->has_registered_proposition(ap, aut);
|
||||
if (v >= 0)
|
||||
{
|
||||
restrict &= bdd_nithvar(v);
|
||||
d->unregister_variable(v, res);
|
||||
}
|
||||
}
|
||||
|
||||
transform_accessible(aut, res, [&](unsigned, bdd& cond,
|
||||
acc_cond::mark_t&, unsigned)
|
||||
{
|
||||
cond = bdd_restrict(bdd_exist(cond, exist),
|
||||
restrict);
|
||||
});
|
||||
return res;
|
||||
}
|
||||
}
|
||||
44
src/tgbaalgos/remprop.hh
Normal file
44
src/tgbaalgos/remprop.hh
Normal file
|
|
@ -0,0 +1,44 @@
|
|||
// -*- coding: utf-8 -*-
|
||||
// Copyright (C) 2015 Laboratoire de Recherche et Développement de
|
||||
// l'Epita (LRDE).
|
||||
//
|
||||
// This file is part of Spot, a model checking library.
|
||||
//
|
||||
// Spot is free software; you can redistribute it and/or modify it
|
||||
// under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation; either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// Spot is distributed in the hope that it will be useful, but WITHOUT
|
||||
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
// License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <vector>
|
||||
#include "ltlast/atomic_prop.hh"
|
||||
#include "tgba/tgbagraph.hh"
|
||||
|
||||
namespace spot
|
||||
{
|
||||
class SPOT_API remove_ap
|
||||
{
|
||||
std::set<const ltl::atomic_prop*> props_exist;
|
||||
std::set<const ltl::atomic_prop*> props_pos;
|
||||
std::set<const ltl::atomic_prop*> props_neg;
|
||||
public:
|
||||
~remove_ap();
|
||||
void add_ap(const char* ap_csv);
|
||||
|
||||
bool empty() const
|
||||
{
|
||||
return props_exist.empty() && props_pos.empty() && props_neg.empty();
|
||||
}
|
||||
|
||||
tgba_digraph_ptr strip(const_tgba_digraph_ptr aut) const;
|
||||
};
|
||||
}
|
||||
|
|
@ -92,6 +92,7 @@ TESTS = \
|
|||
tripprod.test \
|
||||
dupexp.test \
|
||||
exclusive.test \
|
||||
remprop.test \
|
||||
degendet.test \
|
||||
degenid.test \
|
||||
degenlskip.test \
|
||||
|
|
|
|||
97
src/tgbatest/remprop.test
Executable file
97
src/tgbatest/remprop.test
Executable file
|
|
@ -0,0 +1,97 @@
|
|||
#! /bin/sh
|
||||
# -*- coding: utf-8 -*-
|
||||
# Copyright (C) 2015 Laboratoire de Recherche et Développement de
|
||||
# l'Epita (LRDE).
|
||||
#
|
||||
# This file is part of Spot, a model checking library.
|
||||
#
|
||||
# Spot is free software; you can redistribute it and/or modify it
|
||||
# under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# Spot is distributed in the hope that it will be useful, but WITHOUT
|
||||
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||||
# License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
|
||||
. ./defs || exit 1
|
||||
|
||||
set -e
|
||||
|
||||
cat >automaton <<EOF
|
||||
HOA: v1
|
||||
States: 4
|
||||
Start: 0
|
||||
AP: 3 "a" "b" "c"
|
||||
acc-name: Buchi
|
||||
Acceptance: 1 Inf(0)
|
||||
--BODY--
|
||||
State: 0
|
||||
[0] 1
|
||||
State: 1
|
||||
[1] 2
|
||||
[2] 2
|
||||
State: 2 {0}
|
||||
[1] 2
|
||||
[0&1] 1
|
||||
[1&2] 3
|
||||
State: 3
|
||||
[t] 3
|
||||
--END--
|
||||
EOF
|
||||
|
||||
cat >expected <<EOF
|
||||
HOA: v1
|
||||
States: 4
|
||||
Start: 0
|
||||
AP: 1 "c"
|
||||
acc-name: Buchi
|
||||
Acceptance: 1 Inf(0)
|
||||
properties: trans-labels explicit-labels state-acc complete
|
||||
--BODY--
|
||||
State: 0
|
||||
[t] 1
|
||||
State: 1
|
||||
[t] 2
|
||||
[0] 2
|
||||
State: 2 {0}
|
||||
[t] 2
|
||||
[t] 1
|
||||
[0] 3
|
||||
State: 3
|
||||
[t] 3
|
||||
--END--
|
||||
EOF
|
||||
|
||||
run 0 ../../bin/autfilt -H --remove-ap=a,b automaton >out
|
||||
cat out
|
||||
diff out expected
|
||||
|
||||
cat >expected <<EOF
|
||||
HOA: v1
|
||||
States: 3
|
||||
Start: 0
|
||||
AP: 1 "c"
|
||||
acc-name: Buchi
|
||||
Acceptance: 1 Inf(0)
|
||||
properties: trans-labels explicit-labels state-acc deterministic
|
||||
--BODY--
|
||||
State: 0
|
||||
[t] 1
|
||||
State: 1
|
||||
[0] 2
|
||||
State: 2
|
||||
--END--
|
||||
EOF
|
||||
|
||||
run 0 ../../bin/autfilt -H --remove-ap=a=1,b=0 automaton >out
|
||||
cat out
|
||||
diff out expected
|
||||
|
||||
../../bin/autfilt -H --remove-ap=a==1 automaton 2>stderr && exit 1
|
||||
grep "autfilt: unexpected '=' at position 2 in 'a==1'" stderr
|
||||
Loading…
Add table
Add a link
Reference in a new issue