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simplify: fix 3 incorrect simplification rules

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* src/ltlvisit/simplify.cc: Remove two incorrect rules, and
partially disable another one.
* doc/tl/tl.tex: Reflect the change.
* src/ltltest/reduccmp.test: Likewise.
* src/ltltest/equals.cc: Add safety checks to catch such errors in the
future.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2014-05-13 16:59:51 +02:00
parent 34fd27a381
commit 48471b5114
5 changed files with 61 additions and 123 deletions
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11
src/ltltest/reduccmp.test
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@ -1,7 +1,7 @@
#! /bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2009, 2010, 2011, 2012, 2013 Laboratoire de Recherche
# et Developpement de l'Epita (LRDE).
# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Laboratoire de
# Recherche et Developpement de l'Epita (LRDE).
# Copyright (C) 2004, 2006 Laboratoire d'Informatique de Paris 6 (LIP6),
# département Systèmes Répartis Coopératifs (SRC), Université Pierre
# et Marie Curie.
@ -317,9 +317,10 @@ for x in ../reduccmp ../reductaustr; do
run 0 $x '{{a;b*;c}&&{d;e*}&&{f*;g}&&{h*}}' \
'{{f*;g}&&{h*}&&{{a&&d};{e* && {b*;c}}}}'
run 0 $x '{{{b1;r1*}&{b2;r2*}};c}' 'b1&b2&X{{r1*&r2*};c}'
run 0 $x '{{b1:r1*}&{b2:r2*}}' '{{b1&&b2}:{r1*&r2*}}'
run 0 $x '{{r1*;b1}&{r2*;b2}}' '{{r1*&r2*};{b1&&b2}}'
run 0 $x '{{r1*:b1}&{r2*:b2}}' '{{r1*&r2*}:{b1&&b2}}'
run 0 $x '{{b1:(r1;x1*)}&{b2:(r2;x2*)}}' '{{b1&&b2}:{{r1&&r2};{x1*&x2*}}}'
run 0 $x '{{b1:r1*}&{b2:r2*}}' '{{b1:r1*}&{b2:r2*}}' # Not reduced
run 0 $x '{{r1*;b1}&{r2*;b2}}' '{{r1*;b1}&{r2*;b2}}' # Not reduced
run 0 $x '{{r1*:b1}&{r2*:b2}}' '{{r1*:b1}&{r2*:b2}}' # Not reduced
run 0 $x '{{a;b*;c}&{d;e*}&{f*;g}&{h*}}' \
'{{f*;g}&{h*}&{{a&&d};{e* & {b*;c}}}}'
run 0 $x '{a;(b*;c*;([*0]+{d;e}))*}!' '{a;{b|c|{d;e}}*}!'