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Introduce [=min..max] operator.

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* src/ltlast/bunop.hh: Declare bunop::Equal
* src/ltlast/bunop.cc: Handle it.
* src/ltlparse/ltlparse.yy,
src/ltlparse/ltlscan.ll: Add rules for [=min..max].
* src/tgbaalgos/ltl2tgba_fm.cc: Handle bunop::Equal in
the translation.
* src/ltltest/equals.test: Test trivial identities
for [=min..max].
* src/tgbatest/ltl2tgba.test: Add new formulae to test.
This commit is contained in:
Alexandre Duret-Lutz 2010-10-14 18:51:34 +02:00
parent d7781bc4d6
commit 8d4a413a37
7 changed files with 236 additions and 91 deletions
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6
src/tgbatest/ltl2tgba.test
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@ -87,6 +87,12 @@ check_psl '{{[+];a;[+]} && {[+];b;[+]}}<>->c'
# Example from "Beyond Hardware Verification" by Glazberg, Moulin, Orni,
# Ruah, Zarpas (2007).
check_psl '{[*];req;ack}|=>{start;busy[*];done}'
# Examples from "Property-by-Example Guide: a Handbook of PSL Examples"
# by Ben David and Orni (2005)/
check_psl '{end[=3]}(false)' # 2.27.A
check_psl '{[*]; {read[=3]} && {write[=2]}} |=>
{(!read && !write)[*]; ready}' # 3.5.A
# Make sure 'a U (b U c)' has 3 states and 6 transitions,
# before and after degeneralization.