alarsyo/spot
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

postproc: add simul-max and wdba-det-max options

Browse source 
* NEWS, bin/spot-x.cc: Document them.
* spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh: Implement
them.
* tests/python/stutter-inv.ipynb: Adjust result.
* tests/core/minusx.test: Add test case.
This commit is contained in:
Alexandre Duret-Lutz 2020-09-15 16:57:33 +02:00
parent a814334342
commit 69c821154c
6 changed files with 125 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

12
bin/spot-x.cc
View file

@ -140,12 +140,16 @@ The default is 3, except when option --low is specified, in which case \
the default is 1.") },
{ DOC("ba-simul", "Set to 0 to disable simulation-based reductions \
on automata where state-based acceptance must be preserved (e.g., \
after degeneralization has been performed). The name suggests this applies \
after degeneralization has been performed). The name suggests this applies \
only to Büchi automata for historical reasons; it really applies to any \
state-based acceptance nowadays. \
Set to 1 to use only direct simulation. Set to 2 to use only reverse \
simulation. Set to 3 to iterate both direct and reverse simulations. \
The default is 3 in --high mode, and 0 otherwise.") },
{ DOC("simul-max", "Number of states above which simulation-based \
reductions are skipped. Defaults to 512. Set to 0 to disable. This also \
applies to the simulation-based optimization of the determinization \
algorithm.") },
{ DOC("relabel-bool", "If set to a positive integer N, a formula \
with N atomic propositions or more will have its Boolean subformulas \
abstracted as atomic propositions during the translation to automaton. \
@ -156,6 +160,12 @@ this value to 0 will disable the rewriting.") },
always try it, or 2 to attempt it only on syntactic obligations or on automata \
that are weak and deterministic. The default is 1 in --high mode, else 2 in \
--medium or --deterministic modes, else 0 in --low mode.") },
{ DOC("wdba-det-max", "Maximum number of additional states allowed \
in intermediate steps of WDBA-minimization. If the number of additional \
states reached in the powerset construction or in the followup products \
exceeds this value, WDBA-minimization is aborted. \
Defaults to 4096. Set to 0 to disable. This limit is ignored when -D used \
or when det-max-states is set.") },
{ DOC("tba-det", "Set to 1 to attempt a powerset determinization \
if the TGBA is not already deterministic. Doing so will degeneralize \
the automaton. This is disabled by default, unless sat-minimize is set.") },