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Introduce [->min..max] operator.

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* src/ltlast/bunop.hh: Declare bunop::Goto
* 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::Goto in
the translation.
* src/ltltest/equals.test: Test trivial identities.
* src/tgbatest/ltl2tgba.test: Test two more formulae using [->].
This commit is contained in:
Alexandre Duret-Lutz 2010-10-15 11:41:18 +02:00
parent 2c31e541b5
commit da74b4f180
7 changed files with 138 additions and 11 deletions
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3
src/tgbatest/ltl2tgba.test
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@ -84,6 +84,7 @@ check_psl '{(a* & (c;b*) & d);e}'
check_psl '{[*2];a[*2..4]}|->b'
check_psl '{a[*2..5] && b[*..3]}|->c'
check_psl '{{[+];a;[+]} && {[+];b;[+]}}<>->c'
check_psl '{(a[->3]) & {[+];b}}<>->c'
# Example from "Beyond Hardware Verification" by Glazberg, Moulin, Orni,
# Ruah, Zarpas (2007).
check_psl '{[*];req;ack}|=>{start;busy[*];done}'
@ -92,6 +93,8 @@ check_psl '{[*];req;ack}|=>{start;busy[*];done}'
check_psl '{end[=3]}(false)' # 2.27.A
check_psl '{[*]; {read[=3]} && {write[=2]}} |=>
{(!read && !write)[*]; ready}' # 3.5.A
check_psl '{[*]; start && comp_data_en; !comp_data_en && good_comp;
{status_valid[->]} && {stop[=0]; true}} |-> {!data_out}' # 2.33
# Make sure 'a U (b U c)' has 3 states and 6 transitions,