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Special Forums News, Links, Events and Announcements Software Releases - RSS News NoBug 0.3rc1 (Snapshot branch)
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Old 04-03-2008
NoBug 0.3rc1 (Snapshot branch)
NoBug is a library which provides assertions, logging statements, and annotations for C and C++ programs. It includes pre-/post-condition and invariant checks, as well as generic assertions. Checks are enabled based on build-levels and scope tags. It also includes debugger support (valgrind), dumping of data structures, logging your application's activities, runtime customizable logging via environment variables, different logging targets (ringbuffer, stderr, syslog, debugger, etc.), and annotation of your source code regarding known bugs, things to do, and planned things. It can track resources and detect deadlocks.License: GNU General Public License (GPL)Changes:
The environment variable parser for runtime configuration was completed, and passing of options for creating log files or ring buffers is now implemented. A hook for application defined logging was added. A tool to dump ring buffer content as a log was included. Logging output contains now an event counter. The license was changed to GPLv2 or any later.Image

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lpsinvelm

LPSINVELM(1)							   User Commands						      LPSINVELM(1)

NAME

       lpsinvelm - check invariants and use these to simplify or eliminate summands of an LPS

SYNOPSIS

       lpsinvelm [OPTION]... --invfile=INVFILE [INFILE [OUTFILE]]

DESCRIPTION

       Checks  whether	the  boolean  formula  (an mCRL2 data expression of sort Bool) provided as invariant is an invariant of the linear process
       specification (LPS) in INFILE. If this is the case, the tool eliminates all summands of the LPS whose condition violates the invariant, and
       writes the result to OUTFILE. If INFILE is present, stdin is used. If OUTFILE is not present, stdout is used.

       The tool can also be used to simplify the conditions of the summands of the given LPS.

OPTIONS

       OPTION can be any of the following:

       -y, --all-violations
	      do not terminate as soon as a single violation of the invariant is found, but report all violations instead

       -c, --counter-example
	      display  a  valuation  indicating  why  the  invariant  could possibly be violated if it is uncertain whether a summand violates the
	      invariant

       -o, --induction
	      apply induction on lists

       -iINVFILE, --invariant=INVFILE
	      use the boolean formula (an mCRL2 data expression of sort Bool) in INVFILE as invariant

       -n, --no-check
	      do not check if the invariant holds before eliminating unreachable summands

       -e, --no-elimination
	      do not eliminate or simplify summands, but add the invariant to each condition

       -pPREFIX, --print-dot=PREFIX
	      save a .dot file of the resulting BDD if it is impossible to determine whether a summand violates the invariant; PREFIX will be used
	      as prefix of the output files

       -rNAME, --rewriter=NAME
	      use rewrite strategy NAME:
		'jitty' for jitty rewriting (default),
		'jittyc' for compiled jitty rewriting,
		'jittyp' for jitty rewriting with prover

       -l, --simplify-all
	      simplify the conditions of all summands, instead of just eliminating the summands whose conditions in conjunction with the invariant
	      are contradictions

       -zSOLVER, --smt-solver=SOLVER
	      use SOLVER to remove inconsistent paths from the internally used BDDs (by default, no path elimination is applied):
		'cvc' for the SMT solver CVC3

       -sNUM, --summand=NUM
	      eliminate or simplify the summand with number NUM only

       -tLIMIT, --time-limit=LIMIT
	      spend at most LIMIT seconds on proving a single formula

       --timings[=FILE]
	      append timing measurements to FILE. Measurements are written to standard error if no FILE is provided

       Standard options:

       -q, --quiet
	      do not display warning messages

       -v, --verbose
	      display short intermediate messages

       -d, --debug
	      display detailed intermediate messages

       --log-level=LEVEL
	      display intermediate messages up to and including level

       -h, --help
	      display help information

       --version
	      display version information

AUTHOR

       Written by Luc Engelen.

REPORTING BUGS

       Report bugs at <http://www.mcrl2.org/issuetracker>.

COPYRIGHT

       Copyright (C) 2012 Technische Universiteit Eindhoven.
       This   is   free   software.    You   may   redistribute   copies   of	it   under   the   terms   of	the   Boost    Software    License
       <http://www.boost.org/LICENSE_1_0.txt>.	There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       See also the manual at <http://www.mcrl2.org/mcrl2/wiki/index.php/User_manual/lpsinvelm>.

lpsinvelm mCRL2 toolset 201202.0 (Release)			    April 2012							      LPSINVELM(1)