ltspcompare

The tool ltspcompare compares two transition systems that both must have either the extension .aut, .lts or .fsm. The tool is intended to compare probabilistic transition systems. As it stands there is only one equivalence implemented, which is strong probabilistic bisimulation for non-deterministic processes a la Larsen and Skou. There are two implementations, namely the classical but rather slow algorithm by Baier, Engelen and Majster-Cederbaum, and the much faster one by Groote, Rivera-Verduzco and de Vink.

The intention is to add more equivalences and preorders when efficient algorithms for them become available.

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Usage

ltspcompare   [OPTION]... [INFILE1] INFILE2

Description

Determine whether the labelled transition systems in INFILE1 and INFILE2 are related by some probabilistic equivalence or preorder. If INFILE1 is not supplied, stdin is used.

The input formats are determined by the contents of INFILE1 and INFILE2. Options –in1 and –in2 can be used to force the input format of INFILE1 and INFILE2, respectively. The supported formats are:: ‘aut’ for the Aldebaran format (CADP), ‘dot’ for the GraphViz format (no longer supported as input format), ‘fsm’ for the Finite State Machine format, or ‘lts’ for the mCRL2 LTS format

Command line options

-eNAME) , --equivalence=NAME)

use equivalence NAME (not allowed in combination with -p/–preorder):

none

identity equivalence

pbisim

probabilistic bisimulation equivalence using the O(m(log n)) algorithm by Groote, Rivera-Verduzco and de Vink, 2017

pbisim-bem

probabilistic bisimulation equivalence using the O(mn (log n + log m)) algorithm by Baier, Engelen and Majster-Cederbaum, 2000

-iFORMAT , --in1=FORMAT

use FORMAT as the format for INFILE1 (or stdin)

-jFORMAT , --in2=FORMAT

use FORMAT as the format for INFILE2

-pNAME , --preorder=NAME

use preorder NAME (not allowed in combination with -e/–equivalence):

none

identity preorder

--tau=ACTNAMES

consider actions with a name in the comma separated list ACTNAMES to be internal (tau) actions in addition to those defined as such by the input

--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

--help-all

display help information, including hidden and experimental options

Author

Jan Friso Groote