Commit graph

270 commits

Author SHA1 Message Date
Alexandre Duret-Lutz
9cfe1a3496 tostring: add LaTeX output
* src/ltlvisit/tostring.cc, src/ltlvisit/tostring.hh
(to_latex_string): New function.
* src/bin/common_output.cc, src/bin/common_output.hh:
Add a --latex option.
* doc/tl/spotltl.sty: New file.
* doc/tl/Makefile.am: Distribute it.
* src/ltltest/latex.test: New test.
* src/ltltest/Makefile.am: Add it.
* NEWS: Mention it.
2013-09-08 20:43:53 +02:00
Alexandre Duret-Lutz
90c106f8a8 sat: generalize the code for reading the solution
* src/misc/satsolver.cc, src/misc/satsolver.hh (satsolver_get_solution):
New function, that accepts a solution split on multiple 'v ' lines.
* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc (get_solution):
Remove, and adjust existing code to use satsolver_get_solution().
* src/tgbatest/readsat.cc, src/tgbatest/readsat.test: New files.
* src/tgbatest/Makefile.am: Add them.
* src/bin/man/spot-x.x: Mention the SAT competition rules for
the expected input/output format.
2013-09-08 20:43:52 +02:00
Alexandre Duret-Lutz
1ab46b0864 postproc: Add option to output Complete automata.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Tweak set_pref()
to also accept Any|Complete, Small|Complete, or Deterministic|Complete.
* src/bin/common_post.hh, src/bin/common_post.cc: Add option --complete
and set comp.
* src/bin/dstar2tgba.cc, src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc: Pass
comp to set_pref().
* src/tgbaalgos/complete.cc: Preserve state-based acceptance.
* src/tgbatest/dstar.test, src/tgbatest/ltlcross2.test,
src/tgbatest/nondet.test: Augment tests.
* doc/org/dstar2tgba.org, doc/org/ltl2tgba.org, NEWS: Document.
2013-09-08 20:43:52 +02:00
Alexandre Duret-Lutz
7a7ed8a632 rename dba_complement() to dtgba_complement()
* src/tgbaalgos/dbacomp.cc, src/tgbaalgos/dbacomp.hh
(dba_complement): Rename to...
* src/tgbaalgos/dtgbacomp.cc, src/tgbaalgos/dtgbacomp.hh
(dtgba_complement): ... this.
* src/tgbaalgos/minimize.cc, src/tgbaalgos/powerset.cc,
src/tgbatest/ltl2tgba.cc, src/bin/ltlcross.cc,
src/tgbaalgos/Makefile.am: Adjust to name change.
2013-09-08 20:43:52 +02:00
Alexandre Duret-Lutz
fdb157bf94 satmin: cleanup interfaces and minimization loops
* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtbasat.hh:
(dtba_sat_minimize): Split into...
(dtba_sat_synthetize, dtba_sat_minimize): These.
(dtba_sat_minimize_dichotomy): New function.
* src/tgbaalgos/dtgbasat.cc, src/tgbaalgos/dtgbasat.hh
(dtgba_sat_minimize, dtgba_sat_synthetize): Likewise.
* src/tgbatest/ltl2tgba.cc: Adjust to new interface.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh:
Cleanup option processing for SAT options.
* src/tgbatest/satmin.test: Adjust.
* src/bin/spot-x.cc, src/bin/man/spot-x.x, NEWS: Document.
2013-09-08 20:43:17 +02:00
Alexandre Duret-Lutz
b09ef5bea9 postproc: disable WDBA-minimization on request
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh:
Implement the wdba-minimize option.
* src/bin/spot-x.cc (wdba-minimize): Document.
* src/bin/man/spot-x.x: Update references.
2013-08-26 17:27:43 +02:00
Alexandre Duret-Lutz
bfbe5b448b stats: add %r to display run-time
* src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh: Add
support for printing run-time.
* src/bin/ltl2tgba.cc, src/bin/dstar2tgba.cc: Compute
the run-time and show the option.
* NEWS: Mention it.
2013-08-26 17:27:43 +02:00
Alexandre Duret-Lutz
4dd8d80292 isdet: simplify is_deterministic(), add is_complete().
* src/tgbaalgos/isdet.cc: Simplify determinism check.
* src/tgbaalgos/isdet.hh, src/tgbaalgos/isdet.cc (is_complete): New
function.
* src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh, src/bin/dstar2tgba.cc
src/bin/ltl2tgba.cc: Add escape sequence %p to the possible statistics
to show whether an automaton is complete.
* src/tgbatest/nondet.test: Add a couple more tests.
2013-08-26 17:27:42 +02:00
Alexandre Duret-Lutz
1029d08a77 ltlcross: Complement deterministic automata.
* src/bin/ltlcross.cc: Complement deterministic automata,
and use them for additional intersection checks.
* NEWS, doc/org/ltlcross.org, src/bin/man/ltlcross.x: Document it.
2013-08-26 17:27:42 +02:00
Alexandre Duret-Lutz
57f712fcbd ltlcross: Allow %D, %N, or %T to be used multiple time
For example to interface with Rabinizer, we can now use
'java -jar /pathto/Rabinizer.jar -ltl2dstar %F %D; mv %D.dst %D'
because Rabinizer always append a suffix to its last argument, we
rename the file...

* src/bin/ltlcross.cc (printable_result_filename): Adjust.
2013-08-26 17:27:39 +02:00
Alexandre Duret-Lutz
d561dfb7e0 * src/bin/ltlcross.cc: Use dstar_to_tgba(). 2013-08-26 14:40:13 +02:00
Alexandre Duret-Lutz
d3b81809c8 dstar2tgba: new command.
* src/bin/dstar2tgba.cc, src/bin/man/dstar2tgba.x: New files.
* src/bin/Makefile.am, src/bin/man/Makefile.am: Add them.
* NEWS: Mention it.
* src/bin/ltl2tgba.cc, src/tgbaalgos/stats.cc, doc/org/ltl2tgba.org:
Rename the %S sequence as %c, for consistency with dstar2tgba.
* src/tgbatest/ltl2dstar.test: Add more tests.
* src/tgbatest/ltl2dstar2.test: New file.
* src/tgbatest/Makefile.am: Add it.
2013-08-23 17:02:30 +02:00
Alexandre Duret-Lutz
337aeefcc3 ltlcross: add support for ltl2dstar's output.
* src/bin/ltlcross.cc: Add support for %D.
* src/bin/man/ltlcross.x: Add example.
* NEWS: Mention it.
* src/tgbatest/ltl2dstar.test: New file.
* src/tgbatest/Makefile.am: Add it.
2013-08-23 17:02:30 +02:00
Alexandre Duret-Lutz
e7522056ca ltlcross: give an example of accepted word for nonempty cross-products
* src/tgbaalgos/word.cc, src/tgbaalgos/word.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbatest/ltlcrossce.test: New file.
* src/tgbatest/Makefile.am: Add it.
* src/bin/ltlcross.cc: Compute and display an accepted word
for nonempty cross-products.
* NEWS, doc/org/ltlcross.org: Document it.
2013-07-29 01:14:38 +02:00
Alexandre Duret-Lutz
4bafa4e1b0 tmpfile: Honor SPOT_TMPFILE and SPOT_TMPKEEP.
* src/misc/tmpfile.cc: Check these environment variables.
* src/bin/man/ltlcross.x, NEWS: Document them.
2013-07-29 01:14:37 +02:00
Alexandre Duret-Lutz
9894b81775 ltlcross: use tmpfile.
* src/bin/ltlcross.cc: Use features introduced by misc/tmpfile.hh.
2013-07-29 01:14:37 +02:00
Alexandre Duret-Lutz
5b0bf8ef09 ltlcross: Add a --color option.
* src/bin/ltlcross.cc: Add a --color option.
* NEWS: Mention it.
2013-07-29 01:14:37 +02:00
Alexandre Duret-Lutz
f8cdaf0c12 gnulib: Upgrade and build as a libtool library.
* lib/Makefile.am lib/alloca.in.h lib/argp-ba.c lib/argp-eexst.c
lib/argp-fmtstream.c lib/argp-fmtstream.h lib/argp-fs-xinl.c
lib/argp-help.c lib/argp-namefrob.h lib/argp-parse.c lib/argp-pin.c
lib/argp-pv.c lib/argp-pvh.c lib/argp-xinl.c lib/argp.h lib/asnprintf.c
lib/basename-lgpl.c lib/dirname-lgpl.c lib/dirname.h lib/dosname.h
lib/errno.in.h lib/error.c lib/error.h lib/fcntl.in.h lib/float+.h
lib/float.c lib/float.in.h lib/gethrxtime.c lib/gethrxtime.h
lib/getopt.c lib/getopt.in.h lib/getopt1.c lib/getopt_int.h
lib/gettext.h lib/gettime.c lib/gettimeofday.c lib/intprops.h
lib/itold.c lib/lstat.c lib/malloc.c lib/memchr.c lib/mempcpy.c
lib/mkstemp.c lib/msvc-inval.c lib/msvc-inval.h lib/msvc-nothrow.c
lib/msvc-nothrow.h lib/pathmax.h lib/printf-args.c lib/printf-args.h
lib/printf-parse.c lib/printf-parse.h lib/progname.c lib/progname.h
lib/rawmemchr.c lib/size_max.h lib/sleep.c lib/stat.c lib/stdalign.in.h
lib/stdbool.in.h lib/stddef.in.h lib/stdint.in.h lib/stdio.in.h
lib/stdlib.in.h lib/strcasecmp.c lib/strchrnul.c lib/strerror-override.c
lib/strerror-override.h lib/strerror.c lib/string.in.h lib/strings.in.h
lib/stripslash.c lib/strncasecmp.c lib/strndup.c lib/strnlen.c
lib/sys_stat.in.h lib/sys_time.in.h lib/sys_types.in.h lib/sys_wait.in.h
lib/sysexits.in.h lib/tempname.c lib/tempname.h lib/time.in.h
lib/timespec.h lib/unistd.in.h lib/vasnprintf.c lib/vasnprintf.h
lib/verify.h lib/vsnprintf.c lib/wchar.in.h lib/xsize.h lib/xtime.h
m4/00gnulib.m4 m4/alloca.m4 m4/argp.m4 m4/clock_time.m4 m4/dirname.m4
m4/double-slash-root.m4 m4/errno_h.m4 m4/error.m4 m4/exponentd.m4
m4/extensions.m4 m4/extern-inline.m4 m4/fcntl-o.m4 m4/fcntl_h.m4
m4/float_h.m4 m4/gethrxtime.m4 m4/getopt.m4 m4/gettime.m4
m4/gettimeofday.m4 m4/gnulib-cache.m4 m4/gnulib-common.m4
m4/gnulib-comp.m4 m4/gnulib-tool.m4 m4/include_next.m4 m4/intmax_t.m4
m4/inttypes_h.m4 m4/largefile.m4 m4/longlong.m4 m4/lstat.m4 m4/malloc.m4
m4/math_h.m4 m4/memchr.m4 m4/mempcpy.m4 m4/mkstemp.m4 m4/mmap-anon.m4
m4/msvc-inval.m4 m4/msvc-nothrow.m4 m4/multiarch.m4 m4/nocrash.m4
m4/off_t.m4 m4/pathmax.m4 m4/printf.m4 m4/rawmemchr.m4 m4/size_max.m4
m4/sleep.m4 m4/ssize_t.m4 m4/stat.m4 m4/stdalign.m4 m4/stdbool.m4
m4/stddef_h.m4 m4/stdint.m4 m4/stdint_h.m4 m4/stdio_h.m4 m4/stdlib_h.m4
m4/strcase.m4 m4/strchrnul.m4 m4/strerror.m4 m4/string_h.m4
m4/strings_h.m4 m4/strndup.m4 m4/strnlen.m4 m4/sys_socket_h.m4
m4/sys_stat_h.m4 m4/sys_time_h.m4 m4/sys_types_h.m4 m4/sys_wait_h.m4
m4/sysexits.m4 m4/tempname.m4 m4/time_h.m4 m4/timespec.m4 m4/unistd_h.m4
m4/vasnprintf.m4 m4/vsnprintf.m4 m4/warn-on-use.m4 m4/wchar_h.m4
m4/wchar_t.m4 m4/wint_t.m4 m4/xsize.m4 tools/snippet/arg-nonnull.h
tools/snippet/c++defs.h tools/snippet/warn-on-use.h: Upgrade to
gnulib 9ceceed274f83094127f9ff0bf061293c9fe1e7f.
* m4/secure_getenv.m4, lib/secure_getenv.c, lib/unistd.c,
lib/xtime.c: New files.
* src/bin/Makefile.am: Link with the libtool library.
2013-07-29 01:14:37 +02:00
Alexandre Duret-Lutz
4f986400f1 * src/bin/man/ltlcross.x: Typo. 2013-07-27 12:31:52 +02:00
Alexandre Duret-Lutz
734e203b65 ltlcross: missing newline in error message.
* src/bin/ltlcross.cc: Add that missing new line.
* NEWS: Mention it.
2013-07-25 18:37:04 +02:00
Alexandre Duret-Lutz
b26b910358 * src/bin/ltlcross.cc: Typo. 2013-07-20 20:16:51 +02:00
Alexandre Duret-Lutz
a9a96ee4ff ltlcross: do not use f after it has been destroyed.
Reported by Joachim Klein.

* src/bin/ltlcross.cc: Here.
* NEWS, THANKS: Update.
2013-07-09 14:00:49 +02:00
Alexandre Duret-Lutz
330b6ddac0 * src/bin/ltlcross.cc (statistics): Initialize all members. 2013-05-17 10:58:44 +02:00
Alexandre Duret-Lutz
9b82d7557c ltlcross: add a --products=N option
* src/bin/ltlcross.cc: Implement the new option.  Average the product
statistics on all products.
* src/tgbatest/basimul.test, src/tgbatest/ltlcross.test,
src/tgbatest/ltlcross2.test, bench/ltl2tgba/tools: Use the new option.
* NEWS: Mention it.
2013-05-12 21:22:46 +02:00
Alexandre Duret-Lutz
372790a489 bin: Ignore empty lines on input.
* src/bin/common_finput.cc: Here.
* src/ltltest/ltlfilt.test: Test it.
* NEWS: Mention it.
2013-05-12 17:32:46 +02:00
Alexandre Duret-Lutz
9e589422d1 ltlcross: Add a --seed option.
* src/bin/ltlcross.cc: Here.
* NEWS: Mention it.
2013-05-12 17:28:09 +02:00
Alexandre Duret-Lutz
2cab8197e5 ltlfilt: Fix handling --universal, --eventual, and --stutter-invariant.
* src/bin/ltlfilt.cc: Handle --universal and --eventual.  Match
only LTL formulas with --stutter-invariant.
* src/ltltest/ltlfilt.test: New file.
* src/ltltest/Makefile.am (TESTS): Add it.
* NEWS: Mention these bug fixes.
2013-05-11 11:24:38 +02:00
Alexandre Duret-Lutz
eed7e2df8f lbtt: improve the LBTT output
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.
2013-05-09 21:55:37 +02:00
Alexandre Duret-Lutz
e2378b4904 Fix genltl --gh-r
Reported by František Blahoudek.

* src/bin/genltl.cc (R_n): Really generate (GFp1 || FGp2), not
(GFp1 || GFp2).
* NEWS: Mention the bug.
* THANKS: Update.
2013-04-30 00:01:35 +02:00
Alexandre Duret-Lutz
a2b98c6340 man: Fix installation and distribution of spot-x.7.
* src/bin/man/Makefile.am: Install spot-x.7 in $(man7dir),
and make sure we distribute spot-x.x.
2013-04-28 15:22:29 +02:00
Alexandre Duret-Lutz
fec939c1a6 ltlcross: count SCCs of various strenghts
* src/bin/ltlcross.cc: Implement the counters.
* doc/org/ltlcross.org: Update the documentation.
* bench/ltl2tgba/sum.py: Do not assume a fixed column for the time.
* NEWS: Update.
2013-04-27 20:33:51 +02:00
Alexandre Duret-Lutz
b6d4806dca translate: use compositional suspension on request
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.
2013-04-27 10:52:49 +02:00
Alexandre Duret-Lutz
4c2791e042 postproc: Perform simulation on the BA in --high mode.
* 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.
2013-04-27 10:52:49 +02:00
Elie Abi Saad
2e5e5d1e3c Add inputs support.
* src/bin/ltlcross.cc: Update print_stats_json.
2013-04-15 15:31:42 +02:00
Alexandre Duret-Lutz
33ba8a78c5 * src/bin/man/ltlfilt.x: Add a bibliography section. 2013-04-09 17:25:27 +02:00
Alexandre Duret-Lutz
a7bfb42de7 remove_x: Implement detection of stutter-invariant LTL formulas.
* src/bin/ltlfilt.cc: Add options --remove-x and --stutter-invariant.
* src/ltlvisit/remove_x.cc, src/ltlvisit/remove_x.hh: New files.
* src/ltlvisit/Makefile.am: Add them.
* src/ltltest/remove_x.test: New file.
* src/ltltest/Makefile.am: Add it.
* NEWS: Mention the new algorithms.
2013-04-09 17:25:05 +02:00
Alexandre Duret-Lutz
c5b7e8e1da Introduce a translator class.
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.
2013-04-09 15:05:56 +02:00
Alexandre Duret-Lutz
276f9108c6 ltl2tgta: Honor -x as well
* src/bin/ltl2tgta.cc: Honor -x.
* src/bin/man/ltl2tgta.x, src/bin/man/spot-x.x: Add cross references.
2013-04-09 15:05:56 +02:00
Alexandre Duret-Lutz
d78670ad44 spot-x.7: new man page for common fine-tuning options
* src/bin/spot-x.cc, src/bin/man/spot-x.x: New files.
* src/bin/Makefile.am, src/bin/man/Makefile.am: Adjust.
* src/bin/man/ltl2tgba.x: Remove all fine-tuning options,
and make a reference spot spot-x (7).
* src/bin/common_setup.hh, src/bin/common_setup.cc: Add
a misc_argp_hidden version of the option, so that --help
and --version are not shown in the --help output used
by help2man to generate spot-x.7.
* src/bin/ltl2tgba.cc: Refer to spot-x.7.
2013-04-09 15:05:55 +02:00
Alexandre Duret-Lutz
a965af711c postproc: add an scc-filter option
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Add an
scc-filter option.
* src/bin/man/ltl2tgba.x: Document it.
2013-04-09 15:05:55 +02:00
Alexandre Duret-Lutz
bc7a2865de postproc: add some experimental don't care options
* 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.
2013-04-09 15:05:55 +02:00
Alexandre Duret-Lutz
5796114e37 postproc: add a "simul" option to select the simulation algorithm
* 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.
2013-04-09 15:05:55 +02:00
Alexandre Duret-Lutz
05e59a9e1a postproc: Add an option_map parameter
* 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.
2013-04-09 15:05:55 +02:00
Alexandre Duret-Lutz
35e16a0b9a * src/bin/ltlfilt.cc: Destroy equivalent_to, implied_by, and imply. 2013-04-09 15:05:35 +02:00
Alexandre Duret-Lutz
c6406995fb ltl_simplifier: add a boolean_to_isop option and method
* src/ltlvisit/simplify.hh (ltl_simplifier_options): add
a boolean_to_isop option
(ltl_simplifier::boolean_to_isop): New method.
* src/ltlvisit/simplify.cc: Implement these.
* src/bin/ltlfilt.cc: Add a --boolean-to-isop option.
* src/ltltest/isop.test: New file.
* src/ltltest/Makefile.am: Add it.
* NEWS: Mention it.
2013-03-05 23:52:34 +01:00
Alexandre Duret-Lutz
b6b6582b05 bin: Fix handling of LTL simplification options.
Enable LTL simplifications by default for ltl2tgba & ltl2tgta, and make
sure the ltl_simplifier_options are all false initially.  Before this
patch --low/-r1 had the same effect as --medium/-r2 with respect to LTL
simplification.

* src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc (simplification_level): Set
to 3 by default.
* src/bin/common_r.cc: Disable all ltl_simplifier options initially.
2013-03-02 15:36:26 +01:00
Alexandre Duret-Lutz
b31ddb787d * src/bin/man/Makefile.am (common_dep): Fix dependency. 2013-01-23 14:59:20 +01:00
Alexandre Duret-Lutz
6a547371d7 ltlcross: diagnose missing i/o specifications earlier.
* src/misc/formater.cc, src/misc/formater.hh (scan): New method.
(prime): Use it.
* src/bin/ltlcross.cc (translator_runner::translator_runner): Scan each
specification string, and report those missing an input or output
%-sequence.
* NEWS: Mention it.
2013-01-21 10:20:25 +01:00
Alexandre Duret-Lutz
5086e24165 ltlcross: Display the number of timeouts.
* NEWS: Mention it.
* src/bin/ltlcross.cc: Always display the number of timeout
on normal termination.
2013-01-20 03:01:44 +01:00
Alexandre Duret-Lutz
aa7b43eadf Fix several warnings reported by clang++ 3.2.
* src/tgba/tgbakvcomplement.cc
(tgba_kv_complement_succ_iterator::current_state_),
src/ta/taexplicit.hh (state_ta_explicit::source_):
Remove useless private member.
* src/ta/taexplicit.cc: Adjust constructors.
* src/ta/tgta.cc, src/ta/taexplicit.hh: Also fix
copyright banner.
* src/bin/ltlcross.cc (exec_with_timeout): Work
around warning about status not being set in the
error path.
2013-01-16 08:52:27 +01:00