The main motivation is the upcoming patch that introduces
simulation_sba() and requires this function.

* src/tgbaalgos/sccfilter.hh, src/tgbaalgos/sccfilter.cc: Implement it.
* src/tgbaalgos/postproc.cc: Use it for monitors, because we do not
care about acceptance conditions.
* NEWS: Mention it.

Provide a way to output automata with state-based acceptance.  Also
print the guards using to_lbt_string() for consistency: as a
consequence, atomic proposition that do not match p[0-9]+ are now
double-quoted.

* src/tgbaalgos/lbtt.hh (lbtt_reachable): Add a sba option.
* src/tgbaalgos/lbtt.cc: Implement it, and use to_lbt_string().
* src/ltlvisit/lbt.cc (is_pnum): Reject 'p' without number.
* src/bin/ltl2tgba.cc: Activate the sba option of --ba was given.
Add an option --lbtt=t to get the old behavior.
* src/bin/man/ltl2tgba.x: Document the LBTT format we use with
some links and examples.
* src/tgbatest/lbttparse.test: More tests.
* src/tgbatest/ltlcross2.test: Add a check with --lbtt --ba.
* NEWS: Update.

* src/tgbaalgos/isweakscc.cc, src/tgbaalgos/isweakscc.hh: Do not pass
automata since they are known from the scc.  Avoid several dynamic
casts.  Try to match the established vocabulary wrt "weak" and
"inherently weak".  The old is_weak_scc() that used to enumerate cycles
is therefore renamed to is_inherently_weak_scc(), while the new
is_weak_scc() will should ensure all transitions are fully accepting.
* NEWS: Mention the new interface.

Etienne Renault authored Mar 06, 2013 and Alexandre Duret-Lutz committed Apr 27, 2013

Provides 3 heurisitics to compute the strength of an SCC:
inherent, structural and syntactic

* src/tgbaalgos/isweakscc.cc: implementation
* src/tgbaalgos/isweakscc.hh: definition

This has to be turned on using "-x comp-susp" and other
related options documented in spot-x (7).

* src/tgbaalgos/translate.hh, src/tgbaalgos/translate.cc:
Add support for calling composition-suspension, with
optional simulation, WDBA-minimization, and composition.
* src/bin/spot-x.cc: Document the new options.
* src/bin/man/spot-x.x: Add some bibliography.
* src/tgbatest/ltlcross2.test: Test it.

* src/tgbaalgos/sccfilter.cc: Reuse existing acceptance set as filler
in SCC sets that need less SCC sets than the other SCCs automaton.
* src/tgbatest/sccsimpl.test: Add more tests.

* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Do simulation
on the BA produced in --high mode.
* src/bin/spot-x.cc: Document the ba-simul option that can be used
to disable it.

* src/tgbaalgos/compsusp.cc, src/tgbaalgos/compsusp.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbaalgos/sccfilter.cc, src/tgbaalgos/sccfilter.hh: Add option
for suspended labels removal.
* src/tgbatest/ltl2tgba.cc, src/tgbatest/spotlbtt.test: Test it.

This perform pre- and post-processings in addition to
the LTL-to-TGBA translation.

* src/tgbaalgos/translate.cc, src/tgbaalgos/translate.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbaalgos/postproc.hh: Make the private part protected, so
that we can inherit from that in the translator class.
* src/bin/ltl2tgba.cc: Use the translator class to hide LTL
simplification, translation, and postprocessings.
* NEWS: Mention it.

* src/tgbaalgos/simulation.cc: Attempt to fix several cases.
* src/tgbatest/sim.test: Add more tests.
* src/tgbatest/sim2.test: New file.
* src/tgbatest/Makefile.am: Add it.

* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Add an
scc-filter option.
* src/bin/man/ltl2tgba.x: Document it.

* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Add a
"simul-limit" option, and add two new cases to "simul"
for the two don't care simulation
* src/bin/man/ltl2tgba.x: Mention the new options.

Thomas Badie authored Sep 27, 2012 and Alexandre Duret-Lutz committed Apr 09, 2013

* src/tgba/bddprint.cc, src/tgba/bddprint.hh: Add bdd_print_isop
that prints the bdd into a Irreductible Sum Of Product.
* src/tgbaalgos/dupexp.cc, src/tgbaalgos/dupexp.hh: Add a way to
know which states (in the input) is which (in the result).
* src/tgbaalgos/simulation.cc, src/tgbaalgos/simulation.hh: Add
the Don't Care Simulation and the Don't Care Iterated Simulation.
* src/tgbatest/ltl2tgba.cc, src/tgbatest/spotlbtt.test,
src/tgbatest/Makefile.am, src/tgbatest/sim.test: Test them.
* bench/ltl2tgba/algorithms, bench/ltl2tgba/README,
bench/ltl2tgba/algorithms: Add a way to bench the don't care
simulation.

* src/tgbaalgos/postproc.hh, src/tgbaalgos/postproc.cc: Honor the
"simul" option in the option_map.
(do_simul, do_degen): New method to wrap the algorithms that may be
altered via option_map.
* src/bin/man/ltl2tgba.x (simul): Document this option.

* src/tgbaalgos/sccfilter.cc: Compute useless variable SCC-wise, then
renumber the useful variables so that they can be shared between SCCs.
* src/tgbatest/sccsimpl.test, src/tgbatest/ltl2ta.test: Adjust test
cases.

* src/tgbaalgos/postproc.cc: Add an option_map parameter, and use to get
extra options to pass to the degeneralization algorithm.
* src/tgbaalgos/postproc.hh: Adjust prototype, and store Boolean
variables for degeneralize() options.
* src/bin/ltl2tgba.cc: Add a -x option to fill the option map, and pass
it to the postprocessor.
* src/bin/man/ltl2tgba.x: Document the three degeneralization options.

* src/tgbaalgos/degen.cc (degeneralize): Do not call i->current_state()
to get the current SCC, as we already have the state in d.first.

Because benchmark show that this option usually do not help.

* src/tgbaalgos/degen.hh, src/tgbatest/ltl2tgba.cc: Here.
* src/tgbaalgos/degen.hh: Document the new options.

* src/tgbaalgos/degen.cc: Fixups.
* src/tgbatest/ltl2tgba.cc: Add switches to enable/disable
the options Tomáš added to degeneralize().

Tomáš Babiak authored Dec 05, 2012 and Alexandre Duret-Lutz committed Apr 09, 2013

* src/tgbaalgos/degen.cc, src/tgbaalgos/degen.hh: Add three
options use_z_level, use_cust_acc_orders, and use_lvl_cache.

* src/tgbaalgos/ltl2tgba_fm.cc: Typo.
* src/tgbatest/ltl2tgba.test: Add a test case.

* src/tgbaalgos/postproc.hh (run): Rename the first argument as
input_disown to help Swig.
* wrap/python/spot.i: Wrap spot::postprocessor.
* wrap/python/ajax/ltl2tgba.html, wrap/python/ajax/protocol.txt:
Add an option for nondeterministic monitor.
* wrap/python/ajax/spot.in: Honor the new option, and rewrite the
monitor production using postprocessor.

* src/tgbaalgos/cycles.hh: Fix comments.

* src/tgbaalgos/scc.cc, src/tgbatest/ltl2tgba.cc: Remove assignments to
unread variables.

* m4/gccwarn.m4: Use -Wdocumentation if supported.
* src/ltlast/binop.hh, src/ltlparse/public.hh, src/ta/taproduct.hh,
src/taalgos/emptinessta.hh, src/taalgos/reachiter.hh,
src/tgba/state.hh, src/tgba/tgbasafracomplement.cc,
src/tgbaalgos/ltl2tgba_fm.hh: Fix Doxygen documentations errors signaled
by clang++ 3.2.

* src/bin/common_finput.cc, src/tgbaalgos/lbtt.cc: Use !empty() instead
of size() > 0.
* src/bin/ltl2tgta.cc, src/kripke/kripkeexplicit.cc,
src/tgbatest/complementation.cc: Avoid useless assignments.
* src/bin/ltlcross.cc: Correct mistaken assignment inside assert().
* src/evtgba/symbol.hh, src/tgba/tgbabddcoredata.cc,
src/tgba/tgbabddcoredata.hh,
src/tgba/tgbasafracomplement.cc (operator=): Do not return a const
reference.
* src/evtgbatest/ltl2evtgba.cc, src/evtgbatest/product.cc,
src/evtgbatest/product.cc: Check indices before using them, not after.
* src/kripke/kripkeexplicit.cc, src/kripke/kripkeexplicit.hh,
src/tgbatest/randtgba.cc: Pass constant strings by reference.
* src/kripke/kripkeprint.cc, src/tgbaalgos/simulation.cc:
Remove a useless operation.
* src/ltlvisit/simplify.cc: Remove a duplicate condition.
* src/misc/formater.hh: Remove unused attribute.
* src/misc/modgray.cc: Initialize done_ in the constructor.
* src/saba/explicitstateconjunction.cc,
src/saba/explicitstateconjunction.hh (operator=): Fix prototype.
* src/saba/sabacomplementtgba.cc: Remove unused default constructor.
* src/ta/taexplicit.cc, src/ta/taproduct.cc, src/ta/tgtaproduct.cc,
src/ta/tgtaproduct.hh, src/taalgos/emptinessta.cc,
src/taalgos/minimize.cc, src/taalgos/reachiter.cc,
src/taalgos/tgba2ta.cc, src/tgbaalgos/cutscc.cc: Use C++ casts, and
++it instead of it++.
* src/taalgos/dotty.cc, src/tgbatest/ltl2tgba.cc: Refine the scope of
variables.
* src/tgba/tgbakvcomplement.hh (bdd_order): Always initialize bdd_.
* src/tgba/tgbasgba.cc, src/tgba/wdbacomp.cc: Use the initialization
line to initialize all members.

* src/sanity/style.test: Catch extra space around operator declarations.
* src/ltlast/automatop.hh, src/ltlast/multop.hh,
src/tgba/tgbabddcoredata.cc, src/tgba/tgbabddcoredata.hh,
src/tgbaalgos/simulation.cc: Fix them.

Thomas Badie authored Nov 13, 2012 and Alexandre Duret-Lutz committed Nov 14, 2012

* src/tgbaalgos/simulation.cc: Fix non determinism.
* src/tgbatest/simdet.test: Test that the behavior is now correct.
* src/tgbatest/Makefile.am (TESTS): Add the new test to the
test-suite.

* src/tgbaalgos/ltl2tgba_fm.cc: Use a single acceptance for syntactic
persistence formulas.

* src/tgbaalgos/stripacc.cc, src/tgbaalgos/stripacc.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Add a Monitor
output option.
* src/bin/ltl2tgba.cc: Add a --monitor/-M option.
* NEWS: Mention monitors.
* src/tgba/tgbaexplicit.hh (is_accepting_state): Fix for the
case where the automaton has no acceptance set.

* src/tgbaalgos/lbtt.cc: Renumber acceptance sets as they are read.
* src/tgbatest/lbttparse.test: Add a test cases.

* src/tgbaalgos/lbtt.cc: Do not expect a new line after the number of
acceptance conditions.
* src/tgbatest/lbttparse.test: Add a test case.

* src/tgbaalgos/lbtt.cc (lbtt_read_gba): New function.
(lbtt_parse): Call lbtt_read_gba.
* src/tgbatest/lbttparse.test: Add a test.

* src/misc/formater.hh: New file.
* src/misc/Makefile.am: Add it.
* src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh: Use it.

* src/tgbaalgos/lbtt.hh, src/tgbaalgos/lbtt.cc (lbtt_parse):
New function.
* src/tgba/tgbaexplicit.hh (get_acceptance_condition): Make it public.
* src/tgbatest/ltl2tgba.cc: Add a -XL option to read LBTT file.
* src/tgbatest/lbttparse.test: New file.
* src/tgbatest/Makefile.am: Add it.