org: add an example of conversion to BA format
This script was first posted on https://github.com/adl/hoaf/issues/73 * doc/org/tut25.org: New file. * doc/Makefile.am: Add it. * doc/org/tut.org, doc/org/tut21.org, NEWS: Link to it. * doc/org/init.el.in: Install *.py files. * doc/org/.gitignore: Add toba.py.
This commit is contained in:
Alexandre Duret-Lutz
parent
06099f649e
commit
cb15840c56
7 changed files with 641 additions and 344 deletions
5
NEWS
5
NEWS
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@ -192,6 +192,11 @@ New in spot 2.11.6.dev (not yet released)
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This version of Spot now declares its svg outputs as HTML to
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This version of Spot now declares its svg outputs as HTML to
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prevent Jypyter from wrapping them is images.
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prevent Jypyter from wrapping them is images.
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Documentation:
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- https://spot.lre.epita.fr/tut25.html is a new example showing
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how to print an automaton in the "BA format" (used by Rabbit).
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Bugs fixed:
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Bugs fixed:
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- tgba_determinize()'s use_simulation option would cause it to
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- tgba_determinize()'s use_simulation option would cause it to
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@ -123,6 +123,7 @@ ORG_FILES = \
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org/tut22.org \
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org/tut22.org \
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org/tut23.org \
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org/tut23.org \
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org/tut24.org \
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org/tut24.org \
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org/tut25.org \
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org/tut30.org \
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org/tut30.org \
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org/tut31.org \
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org/tut31.org \
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org/tut40.org \
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org/tut40.org \
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1
doc/org/.gitignore
vendored
1
doc/org/.gitignore
vendored
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@ -19,3 +19,4 @@ g++wrap
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*.fls
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*.fls
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sitemap.org
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sitemap.org
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plantuml.jar
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plantuml.jar
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toba.py
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@ -179,7 +179,7 @@ up.html points to index.html, then the result is:
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:auto-preamble t)
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:auto-preamble t)
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("spot-static"
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("spot-static"
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:base-directory "@abs_top_srcdir@/doc/org/"
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:base-directory "@abs_top_srcdir@/doc/org/"
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:base-extension "css\\|js\\|png\\|svg\\|jpg\\|gif\\|pdf"
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:base-extension "css\\|js\\|png\\|svg\\|jpg\\|gif\\|pdf\\|py"
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:publishing-directory "@abs_top_srcdir@/doc/userdoc/"
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:publishing-directory "@abs_top_srcdir@/doc/userdoc/"
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:recursive t
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:recursive t
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:publishing-function org-publish-attachment)
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:publishing-function org-publish-attachment)
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@ -34,6 +34,7 @@ three interfaces supported by Spot: shell commands, Python, or C++.
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- [[file:tut03.org][Constructing and transforming formulas]]
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- [[file:tut03.org][Constructing and transforming formulas]]
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- [[file:tut21.org][Custom print of an automaton]]
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- [[file:tut21.org][Custom print of an automaton]]
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- [[file:tut25.org][Printing a Büchi automaton in the "BA format"]]
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- [[file:tut22.org][Creating an automaton by adding states and transitions]]
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- [[file:tut22.org][Creating an automaton by adding states and transitions]]
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- [[file:tut23.org][Creating an alternating automaton by adding states and transitions]]
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- [[file:tut23.org][Creating an alternating automaton by adding states and transitions]]
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- [[file:tut24.org][Iterating over alternating automata]]
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- [[file:tut24.org][Iterating over alternating automata]]
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@ -21,9 +21,9 @@ destination states, $\mathit{cond}$ is a BDD representing the label
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The interface available for those graph-based automata allows random
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The interface available for those graph-based automata allows random
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access to any state of the graph, hence the code given bellow can do a
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access to any state of the graph, hence the code given bellow can do a
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simple loop over all states of the automaton. Spot also supports a
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simple loop over all states of the automaton. Spot also supports a
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different kind of interface (not demonstrated here) to
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different kind of interface (not demonstrated here) to [[file:tut50.org][iterate over
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[[file:tut50.org][iterate over automata that are constructed
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automata that are constructed on-the-fly]] and where such a loop would
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on-the-fly]] and where such a loop would be impossible.
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be impossible.
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First let's create an example automaton in HOA format. We use =-U= to
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First let's create an example automaton in HOA format. We use =-U= to
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request unambiguous automata, as this allows us to demonstrate how
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request unambiguous automata, as this allows us to demonstrate how
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@ -47,98 +47,98 @@ properties: stutter-invariant
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State: 0
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State: 0
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[0] 1
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[0] 1
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[!0] 2
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[!0] 2
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[!0&1&2] 3
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[!0&!2] 3
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[!0&!1&2] 4
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[!0&!2] 4
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[!0&!2] 5
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[!0&!1&2] 5
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[!0&!2] 6
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[!0&1&2] 6
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State: 1
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State: 1
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[t] 1 {0 1}
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[t] 1 {0 1}
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State: 2
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State: 2
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[!1&!2] 2
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[!1&!2] 2
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[!1&2] 2 {1}
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[1&!2] 2 {0}
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[1&!2] 2 {0}
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[!1&2] 2 {1}
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[1&2] 2 {0 1}
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[1&2] 2 {0 1}
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State: 3
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State: 3
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[!0&1&2] 3
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[!0&!2] 3
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[!0&!1&2] 4
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[!0&!1&2] 5
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[!0&!2] 5
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[!0&1&2] 6
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[!0&!2] 6
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[0&1&2] 7
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[0&!2] 7
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[0&!1&!2] 8
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[0&!1&2] 8
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[0&!1&2] 9
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[0&1&2] 9
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[0&1&!2] 10
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[0&!1&2] 10
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[0&!1&2] 12
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[0&1&!2] 11
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[0&!1&!2] 12
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[0&!1&!2] 13
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[0&!1&!2] 13
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State: 4
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State: 4
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[!0&1&2] 3
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[!0&!2] 4
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[!0&!1&2] 4
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[0&!2] 11
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[!0&!2] 5
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[!0&1&!2] 6
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[0&1&!2] 7
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[0&!1] 8
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[0&1&2] 9
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[0&!1&2] 10
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[0&1&!2] 11
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[0&!1&!2] 12
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[0&!1&!2] 14
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[!0&!1&!2] 15
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State: 5
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State: 5
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[!0&1&2] 3
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[!0&!2] 3
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[!0&!1&2] 4
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[!0&1&!2] 4
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[!0&!2] 5
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[!0&!1&2] 5
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[0&!1&2] 8
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[!0&1&2] 6
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[0&1&2] 9
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[0&1&2] 7
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[0&!1&2] 10
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[0&!1&!2] 8
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[0&!1&2] 9
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[0&1&!2] 10
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[0&1&!2] 11
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[0&1&!2] 11
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[0&!1&!2] 12
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[0&!1] 12
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[0&!1&!2] 13
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[!0&!1&!2] 14
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[0&!1&!2] 15
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State: 6
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State: 6
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[!0&!2] 6
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[!0&!2] 3
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[0&!2] 7
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[!0&!2] 4
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[!0&!1&2] 5
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[!0&1&2] 6
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[0&1&2] 7
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[0&!1&!2] 8
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[0&!1&2] 9
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[0&1&!2] 10
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[0&!2] 11
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[0&!1&2] 12
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[0&!1&!2] 13
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State: 7
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State: 7
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[!2] 7 {0 1}
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[1&2] 7
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[!1&!2] 8
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[!1&2] 9
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[1&!2] 10
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[!2] 11
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[!1&2] 12
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[!1&!2] 13
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State: 8
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State: 8
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[!1] 8 {0 1}
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[1&2] 7
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[!1&!2] 8
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[!1&2] 9
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[1&!2] 10
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State: 9
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State: 9
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[!2] 7
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[1&2] 7
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[!1&2] 8
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[!1&!2] 8
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[1&2] 9
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[!1&2] 9
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[!1&2] 10
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[1&!2] 10
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[1&!2] 11
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[1&!2] 11
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[!1&!2] 12
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[!1&!2] 15
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[!1&!2] 13
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State: 10
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State: 10
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[1&!2] 7
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[1&2] 7
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[1&2] 9
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[!1&!2] 8
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[!1&2] 10
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[!1&2] 9
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[1&!2] 11
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[1&!2] 10
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[!1&!2] 12
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[!1&2] 12
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[!1&!2] 14
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State: 11
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[!1&2] 8
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[1&2] 9
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[!1&2] 10
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[1&!2] 11
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[!1&!2] 12
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[!1&!2] 13
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[!1&!2] 13
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State: 11
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[!2] 11 {0 1}
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State: 12
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State: 12
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[1&2] 9
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[!1] 12 {0 1}
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[!1&2] 10
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[1&!2] 11
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[!1&!2] 12
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State: 13
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State: 13
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[!1&2] 8
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[!1&2] 12
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[!1&!2] 13
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[!1&!2] 13
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State: 14
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State: 14
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[1&!2] 7
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[!0&1&!2] 4
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[!1&!2] 14
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[0&1&!2] 11
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State: 15
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[!0&!1&!2] 14
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[!0&1&!2] 6
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[0&!1&!2] 15
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[0&1&!2] 7
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[0&!1&!2] 14
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[!0&!1&!2] 15
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[0&!1&!2] 16
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[0&!1&!2] 16
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State: 15
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[1&!2] 11
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[!1&!2] 15
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State: 16
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State: 16
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[!1&!2] 16 {0 1}
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[!1&!2] 16 {0 1}
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--END--
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--END--
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@ -166,7 +166,6 @@ corresponding BDD variable number, and then use for instance
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#include <string>
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#include <string>
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#include <iostream>
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#include <iostream>
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#include <spot/parseaut/public.hh>
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#include <spot/parseaut/public.hh>
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#include <spot/twaalgos/hoa.hh>
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#include <spot/twa/bddprint.hh>
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#include <spot/twa/bddprint.hh>
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void custom_print(std::ostream& out, spot::twa_graph_ptr& aut);
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void custom_print(std::ostream& out, spot::twa_graph_ptr& aut);
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@ -273,16 +272,16 @@ State 0:
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label = !a
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label = !a
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acc sets = {}
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acc sets = {}
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edge(0 -> 3)
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edge(0 -> 3)
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label = !a & b & c
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label = !a & !c
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acc sets = {}
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acc sets = {}
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edge(0 -> 4)
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edge(0 -> 4)
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label = !a & !b & c
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label = !a & !c
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acc sets = {}
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acc sets = {}
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edge(0 -> 5)
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edge(0 -> 5)
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label = !a & !c
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label = !a & !b & c
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acc sets = {}
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acc sets = {}
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edge(0 -> 6)
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edge(0 -> 6)
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label = !a & !c
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label = !a & b & c
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acc sets = {}
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acc sets = {}
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State 1:
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State 1:
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edge(1 -> 1)
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edge(1 -> 1)
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@ -292,232 +291,232 @@ State 2:
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edge(2 -> 2)
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edge(2 -> 2)
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label = !b & !c
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label = !b & !c
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acc sets = {}
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acc sets = {}
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edge(2 -> 2)
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label = !b & c
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acc sets = {1}
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edge(2 -> 2)
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edge(2 -> 2)
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label = b & !c
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label = b & !c
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acc sets = {0}
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acc sets = {0}
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edge(2 -> 2)
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label = !b & c
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acc sets = {1}
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edge(2 -> 2)
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edge(2 -> 2)
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label = b & c
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label = b & c
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acc sets = {0,1}
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acc sets = {0,1}
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State 3:
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State 3:
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edge(3 -> 3)
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edge(3 -> 3)
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label = !a & b & c
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label = !a & !c
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acc sets = {}
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edge(3 -> 4)
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label = !a & !b & c
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acc sets = {}
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acc sets = {}
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edge(3 -> 5)
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edge(3 -> 5)
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label = !a & !c
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label = !a & !b & c
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acc sets = {}
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acc sets = {}
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edge(3 -> 6)
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edge(3 -> 6)
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label = !a & !c
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label = !a & b & c
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acc sets = {}
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acc sets = {}
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edge(3 -> 7)
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edge(3 -> 7)
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label = a & !c
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acc sets = {}
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edge(3 -> 8)
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label = a & !b & c
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acc sets = {}
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edge(3 -> 9)
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label = a & b & c
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label = a & b & c
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acc sets = {}
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acc sets = {}
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edge(3 -> 10)
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edge(3 -> 8)
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label = a & !b & !c
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acc sets = {}
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edge(3 -> 9)
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label = a & !b & c
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label = a & !b & c
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acc sets = {}
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acc sets = {}
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edge(3 -> 11)
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edge(3 -> 10)
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label = a & b & !c
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label = a & b & !c
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acc sets = {}
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acc sets = {}
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edge(3 -> 12)
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edge(3 -> 12)
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label = a & !b & !c
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label = a & !b & c
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acc sets = {}
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acc sets = {}
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edge(3 -> 13)
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edge(3 -> 13)
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label = a & !b & !c
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label = a & !b & !c
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acc sets = {}
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acc sets = {}
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State 4:
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State 4:
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edge(4 -> 3)
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label = !a & b & c
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acc sets = {}
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edge(4 -> 4)
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edge(4 -> 4)
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label = !a & !b & c
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acc sets = {}
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edge(4 -> 5)
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label = !a & !c
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label = !a & !c
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acc sets = {}
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acc sets = {}
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edge(4 -> 6)
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label = !a & b & !c
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acc sets = {}
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edge(4 -> 7)
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label = a & b & !c
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acc sets = {}
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edge(4 -> 8)
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label = a & !b
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acc sets = {}
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edge(4 -> 9)
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label = a & b & c
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acc sets = {}
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edge(4 -> 10)
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label = a & !b & c
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acc sets = {}
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edge(4 -> 11)
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edge(4 -> 11)
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label = a & b & !c
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label = a & !c
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acc sets = {}
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edge(4 -> 12)
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label = a & !b & !c
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acc sets = {}
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edge(4 -> 14)
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label = a & !b & !c
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acc sets = {}
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edge(4 -> 15)
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label = !a & !b & !c
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acc sets = {}
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acc sets = {}
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State 5:
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State 5:
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edge(5 -> 3)
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edge(5 -> 3)
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label = !a & b & c
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acc sets = {}
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edge(5 -> 4)
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label = !a & !b & c
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acc sets = {}
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edge(5 -> 5)
|
|
||||||
label = !a & !c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 8)
|
edge(5 -> 4)
|
||||||
label = a & !b & c
|
label = !a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 9)
|
edge(5 -> 5)
|
||||||
|
label = !a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 6)
|
||||||
|
label = !a & b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 7)
|
||||||
label = a & b & c
|
label = a & b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 10)
|
edge(5 -> 8)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 9)
|
||||||
label = a & !b & c
|
label = a & !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(5 -> 10)
|
||||||
|
label = a & b & !c
|
||||||
|
acc sets = {}
|
||||||
edge(5 -> 11)
|
edge(5 -> 11)
|
||||||
label = a & b & !c
|
label = a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 12)
|
edge(5 -> 12)
|
||||||
label = a & !b & !c
|
label = a & !b
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 13)
|
edge(5 -> 14)
|
||||||
|
label = !a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 15)
|
||||||
label = a & !b & !c
|
label = a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 6:
|
State 6:
|
||||||
edge(6 -> 6)
|
edge(6 -> 3)
|
||||||
label = !a & !c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(6 -> 4)
|
||||||
|
label = !a & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 5)
|
||||||
|
label = !a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 6)
|
||||||
|
label = !a & b & c
|
||||||
|
acc sets = {}
|
||||||
edge(6 -> 7)
|
edge(6 -> 7)
|
||||||
|
label = a & b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 8)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 9)
|
||||||
|
label = a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 10)
|
||||||
|
label = a & b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 11)
|
||||||
label = a & !c
|
label = a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(6 -> 12)
|
||||||
|
label = a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 13)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
State 7:
|
State 7:
|
||||||
edge(7 -> 7)
|
edge(7 -> 7)
|
||||||
label = !c
|
|
||||||
acc sets = {0,1}
|
|
||||||
State 8:
|
|
||||||
edge(8 -> 8)
|
|
||||||
label = !b
|
|
||||||
acc sets = {0,1}
|
|
||||||
State 9:
|
|
||||||
edge(9 -> 7)
|
|
||||||
label = !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(9 -> 8)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(9 -> 9)
|
|
||||||
label = b & c
|
label = b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(9 -> 10)
|
edge(7 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 9)
|
||||||
label = !b & c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(7 -> 10)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 11)
|
||||||
|
label = !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 12)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 13)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
State 8:
|
||||||
|
edge(8 -> 7)
|
||||||
|
label = b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(8 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(8 -> 9)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(8 -> 10)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
|
State 9:
|
||||||
|
edge(9 -> 7)
|
||||||
|
label = b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(9 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(9 -> 9)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(9 -> 10)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
edge(9 -> 11)
|
edge(9 -> 11)
|
||||||
label = b & !c
|
label = b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(9 -> 12)
|
edge(9 -> 15)
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(9 -> 13)
|
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 10:
|
State 10:
|
||||||
edge(10 -> 7)
|
edge(10 -> 7)
|
||||||
label = b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(10 -> 9)
|
|
||||||
label = b & c
|
label = b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 10)
|
edge(10 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(10 -> 9)
|
||||||
label = !b & c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 11)
|
edge(10 -> 10)
|
||||||
label = b & !c
|
label = b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 12)
|
edge(10 -> 12)
|
||||||
label = !b & !c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 14)
|
edge(10 -> 13)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 11:
|
State 11:
|
||||||
edge(11 -> 8)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 9)
|
|
||||||
label = b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 10)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 11)
|
edge(11 -> 11)
|
||||||
label = b & !c
|
label = !c
|
||||||
acc sets = {}
|
acc sets = {0,1}
|
||||||
edge(11 -> 12)
|
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 13)
|
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
State 12:
|
State 12:
|
||||||
edge(12 -> 9)
|
|
||||||
label = b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(12 -> 10)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(12 -> 11)
|
|
||||||
label = b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(12 -> 12)
|
edge(12 -> 12)
|
||||||
label = !b & !c
|
label = !b
|
||||||
acc sets = {}
|
acc sets = {0,1}
|
||||||
State 13:
|
State 13:
|
||||||
edge(13 -> 8)
|
edge(13 -> 12)
|
||||||
label = !b & c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(13 -> 13)
|
edge(13 -> 13)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 14:
|
State 14:
|
||||||
edge(14 -> 7)
|
edge(14 -> 4)
|
||||||
label = b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(14 -> 14)
|
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
State 15:
|
|
||||||
edge(15 -> 6)
|
|
||||||
label = !a & b & !c
|
label = !a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(15 -> 7)
|
edge(14 -> 11)
|
||||||
label = a & b & !c
|
label = a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(15 -> 14)
|
edge(14 -> 14)
|
||||||
label = a & !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(15 -> 15)
|
|
||||||
label = !a & !b & !c
|
label = !a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(15 -> 16)
|
edge(14 -> 15)
|
||||||
label = a & !b & !c
|
label = a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(14 -> 16)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
State 15:
|
||||||
|
edge(15 -> 11)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(15 -> 15)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
State 16:
|
State 16:
|
||||||
edge(16 -> 16)
|
edge(16 -> 16)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
|
|
@ -594,16 +593,16 @@ State 0:
|
||||||
label = !a
|
label = !a
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(0 -> 3)
|
edge(0 -> 3)
|
||||||
label = !a & b & c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(0 -> 4)
|
edge(0 -> 4)
|
||||||
label = !a & !b & c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(0 -> 5)
|
edge(0 -> 5)
|
||||||
label = !a & !c
|
label = !a & !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(0 -> 6)
|
edge(0 -> 6)
|
||||||
label = !a & !c
|
label = !a & b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 1:
|
State 1:
|
||||||
edge(1 -> 1)
|
edge(1 -> 1)
|
||||||
|
|
@ -613,232 +612,232 @@ State 2:
|
||||||
edge(2 -> 2)
|
edge(2 -> 2)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(2 -> 2)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {1}
|
|
||||||
edge(2 -> 2)
|
edge(2 -> 2)
|
||||||
label = b & !c
|
label = b & !c
|
||||||
acc sets = {0}
|
acc sets = {0}
|
||||||
|
edge(2 -> 2)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {1}
|
||||||
edge(2 -> 2)
|
edge(2 -> 2)
|
||||||
label = b & c
|
label = b & c
|
||||||
acc sets = {0,1}
|
acc sets = {0,1}
|
||||||
State 3:
|
State 3:
|
||||||
edge(3 -> 3)
|
edge(3 -> 3)
|
||||||
label = !a & b & c
|
label = !a & !c
|
||||||
acc sets = {}
|
|
||||||
edge(3 -> 4)
|
|
||||||
label = !a & !b & c
|
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 5)
|
edge(3 -> 5)
|
||||||
label = !a & !c
|
label = !a & !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 6)
|
edge(3 -> 6)
|
||||||
label = !a & !c
|
label = !a & b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 7)
|
edge(3 -> 7)
|
||||||
label = a & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(3 -> 8)
|
|
||||||
label = a & !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(3 -> 9)
|
|
||||||
label = a & b & c
|
label = a & b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 10)
|
edge(3 -> 8)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(3 -> 9)
|
||||||
label = a & !b & c
|
label = a & !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 11)
|
edge(3 -> 10)
|
||||||
label = a & b & !c
|
label = a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 12)
|
edge(3 -> 12)
|
||||||
label = a & !b & !c
|
label = a & !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(3 -> 13)
|
edge(3 -> 13)
|
||||||
label = a & !b & !c
|
label = a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 4:
|
State 4:
|
||||||
edge(4 -> 3)
|
|
||||||
label = !a & b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 4)
|
edge(4 -> 4)
|
||||||
label = !a & !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 5)
|
|
||||||
label = !a & !c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(4 -> 6)
|
|
||||||
label = !a & b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 7)
|
|
||||||
label = a & b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 8)
|
|
||||||
label = a & !b
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 9)
|
|
||||||
label = a & b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 10)
|
|
||||||
label = a & !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 11)
|
edge(4 -> 11)
|
||||||
label = a & b & !c
|
label = a & !c
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 12)
|
|
||||||
label = a & !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 14)
|
|
||||||
label = a & !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(4 -> 15)
|
|
||||||
label = !a & !b & !c
|
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 5:
|
State 5:
|
||||||
edge(5 -> 3)
|
edge(5 -> 3)
|
||||||
label = !a & b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(5 -> 4)
|
|
||||||
label = !a & !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(5 -> 5)
|
|
||||||
label = !a & !c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 8)
|
edge(5 -> 4)
|
||||||
label = a & !b & c
|
label = !a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 9)
|
edge(5 -> 5)
|
||||||
|
label = !a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 6)
|
||||||
|
label = !a & b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 7)
|
||||||
label = a & b & c
|
label = a & b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 10)
|
edge(5 -> 8)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 9)
|
||||||
label = a & !b & c
|
label = a & !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(5 -> 10)
|
||||||
|
label = a & b & !c
|
||||||
|
acc sets = {}
|
||||||
edge(5 -> 11)
|
edge(5 -> 11)
|
||||||
label = a & b & !c
|
label = a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 12)
|
edge(5 -> 12)
|
||||||
label = a & !b & !c
|
label = a & !b
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(5 -> 13)
|
edge(5 -> 14)
|
||||||
|
label = !a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(5 -> 15)
|
||||||
label = a & !b & !c
|
label = a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 6:
|
State 6:
|
||||||
edge(6 -> 6)
|
edge(6 -> 3)
|
||||||
label = !a & !c
|
label = !a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(6 -> 4)
|
||||||
|
label = !a & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 5)
|
||||||
|
label = !a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 6)
|
||||||
|
label = !a & b & c
|
||||||
|
acc sets = {}
|
||||||
edge(6 -> 7)
|
edge(6 -> 7)
|
||||||
|
label = a & b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 8)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 9)
|
||||||
|
label = a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 10)
|
||||||
|
label = a & b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 11)
|
||||||
label = a & !c
|
label = a & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(6 -> 12)
|
||||||
|
label = a & !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(6 -> 13)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
State 7:
|
State 7:
|
||||||
edge(7 -> 7)
|
edge(7 -> 7)
|
||||||
label = !c
|
|
||||||
acc sets = {0,1}
|
|
||||||
State 8:
|
|
||||||
edge(8 -> 8)
|
|
||||||
label = !b
|
|
||||||
acc sets = {0,1}
|
|
||||||
State 9:
|
|
||||||
edge(9 -> 7)
|
|
||||||
label = !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(9 -> 8)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(9 -> 9)
|
|
||||||
label = b & c
|
label = b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(9 -> 10)
|
edge(7 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 9)
|
||||||
label = !b & c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(7 -> 10)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 11)
|
||||||
|
label = !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 12)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(7 -> 13)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
State 8:
|
||||||
|
edge(8 -> 7)
|
||||||
|
label = b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(8 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(8 -> 9)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(8 -> 10)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
|
State 9:
|
||||||
|
edge(9 -> 7)
|
||||||
|
label = b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(9 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(9 -> 9)
|
||||||
|
label = !b & c
|
||||||
|
acc sets = {}
|
||||||
|
edge(9 -> 10)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
edge(9 -> 11)
|
edge(9 -> 11)
|
||||||
label = b & !c
|
label = b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(9 -> 12)
|
edge(9 -> 15)
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(9 -> 13)
|
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 10:
|
State 10:
|
||||||
edge(10 -> 7)
|
edge(10 -> 7)
|
||||||
label = b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(10 -> 9)
|
|
||||||
label = b & c
|
label = b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 10)
|
edge(10 -> 8)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(10 -> 9)
|
||||||
label = !b & c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 11)
|
edge(10 -> 10)
|
||||||
label = b & !c
|
label = b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 12)
|
edge(10 -> 12)
|
||||||
label = !b & !c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(10 -> 14)
|
edge(10 -> 13)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 11:
|
State 11:
|
||||||
edge(11 -> 8)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 9)
|
|
||||||
label = b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 10)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 11)
|
edge(11 -> 11)
|
||||||
label = b & !c
|
label = !c
|
||||||
acc sets = {}
|
acc sets = {0,1}
|
||||||
edge(11 -> 12)
|
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(11 -> 13)
|
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
State 12:
|
State 12:
|
||||||
edge(12 -> 9)
|
|
||||||
label = b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(12 -> 10)
|
|
||||||
label = !b & c
|
|
||||||
acc sets = {}
|
|
||||||
edge(12 -> 11)
|
|
||||||
label = b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(12 -> 12)
|
edge(12 -> 12)
|
||||||
label = !b & !c
|
label = !b
|
||||||
acc sets = {}
|
acc sets = {0,1}
|
||||||
State 13:
|
State 13:
|
||||||
edge(13 -> 8)
|
edge(13 -> 12)
|
||||||
label = !b & c
|
label = !b & c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(13 -> 13)
|
edge(13 -> 13)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
State 14:
|
State 14:
|
||||||
edge(14 -> 7)
|
edge(14 -> 4)
|
||||||
label = b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(14 -> 14)
|
|
||||||
label = !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
State 15:
|
|
||||||
edge(15 -> 6)
|
|
||||||
label = !a & b & !c
|
label = !a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(15 -> 7)
|
edge(14 -> 11)
|
||||||
label = a & b & !c
|
label = a & b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(15 -> 14)
|
edge(14 -> 14)
|
||||||
label = a & !b & !c
|
|
||||||
acc sets = {}
|
|
||||||
edge(15 -> 15)
|
|
||||||
label = !a & !b & !c
|
label = !a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
edge(15 -> 16)
|
edge(14 -> 15)
|
||||||
label = a & !b & !c
|
label = a & !b & !c
|
||||||
acc sets = {}
|
acc sets = {}
|
||||||
|
edge(14 -> 16)
|
||||||
|
label = a & !b & !c
|
||||||
|
acc sets = {}
|
||||||
|
State 15:
|
||||||
|
edge(15 -> 11)
|
||||||
|
label = b & !c
|
||||||
|
acc sets = {}
|
||||||
|
edge(15 -> 15)
|
||||||
|
label = !b & !c
|
||||||
|
acc sets = {}
|
||||||
State 16:
|
State 16:
|
||||||
edge(16 -> 16)
|
edge(16 -> 16)
|
||||||
label = !b & !c
|
label = !b & !c
|
||||||
|
|
@ -849,6 +848,11 @@ State 16:
|
||||||
rm -f tut21.hoa
|
rm -f tut21.hoa
|
||||||
#+END_SRC
|
#+END_SRC
|
||||||
|
|
||||||
|
* Going further
|
||||||
|
|
||||||
|
As another example of printing an autoamton, see our page about
|
||||||
|
[[file:tut25.org][printing a Büchi automaton in "BA format"]].
|
||||||
|
|
||||||
# LocalWords: utf html args mathit src dst cond accsets tgba Fb Fc
|
# LocalWords: utf html args mathit src dst cond accsets tgba Fb Fc
|
||||||
# LocalWords: acc Buchi BDDs bdd ap ithvar aut const num init bdict
|
# LocalWords: acc Buchi BDDs bdd ap ithvar aut const num init bdict
|
||||||
# LocalWords: varnum sep Templated
|
# LocalWords: varnum sep Templated
|
||||||
|
|
|
||||||
285
doc/org/tut25.org
Normal file
285
doc/org/tut25.org
Normal file
|
|
@ -0,0 +1,285 @@
|
||||||
|
# -*- coding: utf-8 -*-
|
||||||
|
#+TITLE: Printing an automaton in "BA format"
|
||||||
|
#+DESCRIPTION: Code example for converting HOA into BA format
|
||||||
|
#+INCLUDE: setup.org
|
||||||
|
#+HTML_LINK_UP: tut.html
|
||||||
|
#+PROPERTY: header-args:sh :results verbatim :exports both
|
||||||
|
#+PROPERTY: header-args:python :results output :exports both
|
||||||
|
#+PROPERTY: header-args:C+++ :results verbatim
|
||||||
|
|
||||||
|
The [[https://languageinclusion.org/doku.php?id=tools#the_ba_format][BA format]] is a textual representation of a Büchi automaton with
|
||||||
|
letter-based alphabet, and supported by tools like [[https://languageinclusion.org/doku.php?id=tools][RABIT]] or [[http://goal.im.ntu.edu.tw/wiki/doku.php][Goal]]. It
|
||||||
|
looks as follows:
|
||||||
|
|
||||||
|
#+BEGIN_SRC dot :file tut25-aut.svg :exports results
|
||||||
|
digraph "" {
|
||||||
|
rankdir=LR
|
||||||
|
label=<[Büchi]>
|
||||||
|
labelloc="t"
|
||||||
|
node [shape="circle"]
|
||||||
|
node [style="filled", fillcolor="#ffffa0"]
|
||||||
|
fontname="Lato"
|
||||||
|
node [fontname="Lato"]
|
||||||
|
edge [fontname="Lato"]
|
||||||
|
node[fontsize=12] fontsize=12 stylesheet="spot.css" edge[arrowhead=vee, arrowsize=.7, fontsize=12]
|
||||||
|
I [label="", style=invis, width=0]
|
||||||
|
I -> 1
|
||||||
|
1 [label=<s₁>, peripheries=2]
|
||||||
|
2 [label=<s₂>, peripheries=2]
|
||||||
|
3 [label=<s₃>]
|
||||||
|
1 -> 2 [label=<ℓ₁>]
|
||||||
|
2 -> 1 [label=<ℓ₃>]
|
||||||
|
2 -> 3 [label=<ℓ₂>]
|
||||||
|
3 -> 1 [label=<ℓ₃>]
|
||||||
|
}
|
||||||
|
#+END_SRC
|
||||||
|
|
||||||
|
#+RESULTS:
|
||||||
|
[[file:tut25-aut.svg]]
|
||||||
|
|
||||||
|
#+begin_example
|
||||||
|
s₁
|
||||||
|
ℓ₁,s₁->s₂
|
||||||
|
ℓ₃,s2->s1
|
||||||
|
ℓ₂,s2->s3
|
||||||
|
ℓ₃,s3->s1
|
||||||
|
s₁
|
||||||
|
s₂
|
||||||
|
#+end_example
|
||||||
|
|
||||||
|
The first line, ~s₁~ represents the initial state, the next block of
|
||||||
|
lines of the form ~letters,src->dst~ represent the transitions of the
|
||||||
|
automaton. End the last block of lines (containing ~s₁~ and ~s₂~ in
|
||||||
|
the above example), lists the accepting states of the automaton.
|
||||||
|
|
||||||
|
In this format, the letters and the state can be arbitrary strings
|
||||||
|
that do not include the characters ~,~ or ~-~, or ~>~. The initial
|
||||||
|
state can be omitted (the source of the first transition is then
|
||||||
|
assumed to be initial), and the list of accepting states may be empty.
|
||||||
|
|
||||||
|
Spot has no support for letter-based alphabet (instead it uses boolean
|
||||||
|
formulas over a set of atomtic propositions), so this format does not
|
||||||
|
really make any sense.
|
||||||
|
|
||||||
|
As an example of [[file:tut21.org][how to custom print an automaton]], let us write a
|
||||||
|
small tool that will convert any Büchi automaton that Spot can read
|
||||||
|
(e.g., a neverclaim from Spin, or an HOA file) into this "BA format".
|
||||||
|
|
||||||
|
Consider the following Büchi automaton obtained from the LTL formula
|
||||||
|
=a W G(b->c)=.
|
||||||
|
|
||||||
|
#+NAME: tut25ex1
|
||||||
|
#+BEGIN_SRC sh :exports code
|
||||||
|
ltl2tgba -B "a W G(b->c)" -d
|
||||||
|
#+END_SRC
|
||||||
|
#+BEGIN_SRC dot :file tut25ex1.svg :var txt=tut25ex1 :exports results
|
||||||
|
$txt
|
||||||
|
#+END_SRC
|
||||||
|
|
||||||
|
#+RESULTS:
|
||||||
|
[[file:tut25ex1.svg]]
|
||||||
|
|
||||||
|
To create letters out of those formula labels, one trick is to split the transitions over
|
||||||
|
the $2^{\{a,b,c\}}$ possible valuations.
|
||||||
|
|
||||||
|
#+NAME: tut25ex2
|
||||||
|
#+BEGIN_SRC sh :exports code
|
||||||
|
ltl2tgba -B "a W G(b->c)" | autfilt --split-edges -d
|
||||||
|
#+END_SRC
|
||||||
|
#+BEGIN_SRC dot :file tut25ex2.svg :var txt=tut25ex2 :exports results
|
||||||
|
$txt
|
||||||
|
#+END_SRC
|
||||||
|
|
||||||
|
#+RESULTS:
|
||||||
|
[[file:tut25ex2.svg]]
|
||||||
|
|
||||||
|
Then each label can now be considered as a letter.
|
||||||
|
|
||||||
|
* Convertion in Python
|
||||||
|
|
||||||
|
|
||||||
|
#+NAME: toba.py
|
||||||
|
#+begin_src python :exports code :eval no
|
||||||
|
#!/usr/bin/env python3
|
||||||
|
import spot, sys
|
||||||
|
|
||||||
|
# Read the input automaton from standard input, or from a supplied filename.
|
||||||
|
argc = len(sys.argv)
|
||||||
|
if argc < 2:
|
||||||
|
filename = "-"
|
||||||
|
elif argc == 2:
|
||||||
|
filename = sys.argv[1]
|
||||||
|
else:
|
||||||
|
print("pass a single filename, or pipe to stdin", file=sys.stderr)
|
||||||
|
exit(1)
|
||||||
|
|
||||||
|
aut = spot.automaton(filename)
|
||||||
|
|
||||||
|
# Make sure the acceptance condition is Büchi. Alternatively,
|
||||||
|
# allow "t" acceptance (where every state is accepting), since we
|
||||||
|
# can interpret this as a Büchi automaton in which all states are
|
||||||
|
# marked as accepting.
|
||||||
|
acc = aut.acc()
|
||||||
|
if not (acc.is_buchi() or acc.is_t()):
|
||||||
|
print(f"unsupported acceptance: {acc.get_acceptance()}", file=sys.stderr)
|
||||||
|
exit(1)
|
||||||
|
|
||||||
|
# Transition-based acceptance is not supported by this format;
|
||||||
|
# convert to state-based if it isn't already.
|
||||||
|
aut = spot.sbacc(aut)
|
||||||
|
|
||||||
|
# We want one minterm per edge, as those will become letters
|
||||||
|
aut = spot.split_edges(aut)
|
||||||
|
|
||||||
|
# Now simply output the automaton in the BA format
|
||||||
|
print(aut.get_init_state_number())
|
||||||
|
for e in aut.edges():
|
||||||
|
print(f"{e.cond.id()},{e.src}->{e.dst}")
|
||||||
|
for s in range(aut.num_states()):
|
||||||
|
if acc.accepting(aut.state_acc_sets(s)):
|
||||||
|
print(s)
|
||||||
|
#+end_src
|
||||||
|
|
||||||
|
#+RESULTS:
|
||||||
|
|
||||||
|
Let's assume the above script has been saved as [[file:toba.py][=toba.py=]].
|
||||||
|
|
||||||
|
#+begin_src sh :noweb yes :results silent :exports results
|
||||||
|
cat >toba.py <<'EOF'
|
||||||
|
<<toba.py>>
|
||||||
|
EOF
|
||||||
|
chmod 0755 toba.py
|
||||||
|
#+end_src
|
||||||
|
|
||||||
|
We can now convert our previous example in BA format.
|
||||||
|
|
||||||
|
#+begin_src sh
|
||||||
|
ltl2tgba -B "a W G(b->c)" | ./toba.py
|
||||||
|
#+end_src
|
||||||
|
|
||||||
|
#+RESULTS:
|
||||||
|
#+begin_example
|
||||||
|
1
|
||||||
|
19,0->0
|
||||||
|
21,0->0
|
||||||
|
22,0->0
|
||||||
|
23,0->0
|
||||||
|
24,0->0
|
||||||
|
10,0->0
|
||||||
|
19,1->0
|
||||||
|
21,1->0
|
||||||
|
22,1->0
|
||||||
|
23,1->1
|
||||||
|
24,1->1
|
||||||
|
25,1->1
|
||||||
|
10,1->1
|
||||||
|
0
|
||||||
|
1
|
||||||
|
#+end_example
|
||||||
|
|
||||||
|
The BDD ~e.cond~ that encodes the Boolean formula labels each edge ~e~
|
||||||
|
have been printed using ~e.cond.id()~: this is the integer identifier
|
||||||
|
that uniquely denote each formula. This identifier is good enough to
|
||||||
|
make letters unique and keep the file short. However, if you prefer to
|
||||||
|
print the formula instead, replace =e.cond.id()= by
|
||||||
|
=spot.bdd_format_formula(aut.get_dict(), e.cond)=.
|
||||||
|
|
||||||
|
* Conversion in C++
|
||||||
|
|
||||||
|
Here is a C++ function that prints =aut= on =out= in BA format, using
|
||||||
|
the same logic as in the previous section.
|
||||||
|
|
||||||
|
#+NAME: printba
|
||||||
|
#+BEGIN_SRC C++
|
||||||
|
#include <iostream>
|
||||||
|
#include <spot/twa/twagraph.hh>
|
||||||
|
#include <spot/twaalgos/sbacc.hh>
|
||||||
|
#include <spot/twaalgos/split.hh>
|
||||||
|
|
||||||
|
void print_ba_format(std::ostream& out, spot::twa_graph_ptr aut)
|
||||||
|
{
|
||||||
|
// The input should have Büchi acceptance. Alternatively,
|
||||||
|
// allow "t" acceptance since we can interpret this as a Büchi automaton
|
||||||
|
// where all states are accepting.
|
||||||
|
const spot::acc_cond& acc = aut->acc();
|
||||||
|
if (!(acc.is_buchi() || acc.is_t()))
|
||||||
|
throw std::runtime_error("unsupported acceptance condition");
|
||||||
|
|
||||||
|
// The BA format only support state-based acceptance, so get rid
|
||||||
|
// of transition-based acceptance if we have some.
|
||||||
|
aut = spot::sbacc(aut);
|
||||||
|
|
||||||
|
// We want one minterm per edge, as those will become letters
|
||||||
|
aut = spot::split_edges(aut);
|
||||||
|
|
||||||
|
out << aut->get_init_state_number() << '\n';
|
||||||
|
for (auto& e: aut->edges())
|
||||||
|
out << e.cond.id() << ',' << e.src << "->" << e.dst << '\n';
|
||||||
|
|
||||||
|
unsigned ns = aut->num_states();
|
||||||
|
for (unsigned s = 0; s < ns; ++s)
|
||||||
|
if (acc.accepting(aut->state_acc_sets(s)))
|
||||||
|
out << s << '\n';
|
||||||
|
}
|
||||||
|
#+END_SRC
|
||||||
|
|
||||||
|
#+begin_src sh :results silent :exports results
|
||||||
|
ltl2tgba -B "a W G(b->c)" >tut25.hoa
|
||||||
|
#+end_src
|
||||||
|
|
||||||
|
Now what remains to be done is to read some input automaton, so we
|
||||||
|
can print it:
|
||||||
|
|
||||||
|
#+NAME: maincpp
|
||||||
|
#+BEGIN_SRC C++ :noweb strip-export :cmdline "tut25.hoa" :exports results :exports both
|
||||||
|
#include <spot/parseaut/public.hh>
|
||||||
|
<<printba>>
|
||||||
|
int main(int argc, const char** argv)
|
||||||
|
{
|
||||||
|
if (argc > 2)
|
||||||
|
{
|
||||||
|
std::cerr << "pass a single filename, or pipe to stdin\n";
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
const char* filename = "-";
|
||||||
|
if (argc == 2)
|
||||||
|
filename = argv[1];
|
||||||
|
spot::parsed_aut_ptr pa = parse_aut(filename, spot::make_bdd_dict());
|
||||||
|
if (pa->format_errors(std::cerr))
|
||||||
|
return 1;
|
||||||
|
if (pa->aborted)
|
||||||
|
{
|
||||||
|
std::cerr << "--ABORT-- read\n";
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
print_ba_format(std::cout, pa->aut);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
#+END_SRC
|
||||||
|
|
||||||
|
Unsurprisingly running the above code on our example automaton
|
||||||
|
produces the same output.
|
||||||
|
|
||||||
|
#+RESULTS: maincpp
|
||||||
|
#+begin_example
|
||||||
|
1
|
||||||
|
19,0->0
|
||||||
|
21,0->0
|
||||||
|
22,0->0
|
||||||
|
23,0->0
|
||||||
|
24,0->0
|
||||||
|
10,0->0
|
||||||
|
19,1->0
|
||||||
|
21,1->0
|
||||||
|
22,1->0
|
||||||
|
23,1->1
|
||||||
|
24,1->1
|
||||||
|
25,1->1
|
||||||
|
10,1->1
|
||||||
|
0
|
||||||
|
1
|
||||||
|
#+end_example
|
||||||
|
|
||||||
|
#+begin_src sh :results silent :exports results
|
||||||
|
rm -f tut25.hoa
|
||||||
|
#+end_src
|
||||||
Loading…
Add table
Add a link
Reference in a new issue