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simplify: remove an incorrect simplification rule

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Fortunately was only enabled with the
ltl_simplifier_options::favor_event_univ option, which cannot yet be
turned on from the command-line tools.

* src/ltlvisit/simplify.cc, doc/tl/tl.tex: Remove the rule.
* src/ltltest/eventuniv.test: Adjust.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2014-05-13 17:26:53 +02:00
parent 362862dace
commit d741d9266d
4 changed files with 8 additions and 26 deletions
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8
NEWS
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@ -14,9 +14,11 @@ New in spot 1.2.3a (not yet released)
- "ltl2tgta --ta" could crash in certain conditions due to the
introduction of a simulation-based reduction after
degeneralization.
- Fix three incorrect simplifications rules, all related to the
factorization of Boolean subformulas in operands of the
non-length-matching "&" SERE operator.
- Fix four incorrect formula-simplification rules, three were
related to the factorization of Boolean subformulas in
operands of the non-length-matching "&" SERE operator, and
a fourth one could only be enabled by explicitely passing the
favor_event_univ option to the simplifier (not the default).
- Fix incorrect translation of the fusion operator (":") in SERE
such as {xx;1}:yy[*] where the left operand has 1 as tail.