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simplify: some new simplification rules

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For #263, reported by Mikuláš Klokočka.

G(a & Xe1 & F(b & e2)) = G(a & e1 & Fb & e2)
F(a | Xu1 | G(b | u2)) = F(a | u1 | Gb | u2)

* spot/tl/simplify.cc: Implement the rules.
* doc/tl/tl.tex, NEWS: Document them.
* tests/core/reduccmp.test, tests/core/eventuniv.test: Add test cases.
* tests/core/det.test, tests/core/ltl2tgba2.test: Adjust to expect
smaller automata.
* THANKS: Add Mikuláš.
This commit is contained in:
Alexandre Duret-Lutz 2017-09-02 09:30:26 +02:00
parent cd6f1c2c3e
commit 646c5170ed
8 changed files with 89 additions and 20 deletions
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7
tests/core/eventuniv.test
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@ -1,6 +1,6 @@
#! /bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2012, 2013, 2014 Laboratoire de Recherche et
# Copyright (C) 2012, 2013, 2014, 2017 Laboratoire de Recherche et
# Developpement de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
@ -41,6 +41,11 @@ G(Ga & GXFb & c & FGd & FGe & Fc), G(Fb & FG(d & e)) & G(a & c)
Ga & Gb & GFd & FGe & FGf, G(Fd & FG(e & f)) & G(a & b)
G(Ga & Gb & GFd & FGe) & FGf, G(Fd & FG(e & f)) & G(a & b)
G(a & XFb), Ga & GFb
G(a & XF(b & XFc & Fd)), Ga & G(Fb & Fc & Fd)
F(a | XGb), Fa | FGb
F(a | XG(b | XGc | Gd)), Fa | F(Gb | Gc | Gd)
a U (b | Fc), (a U b) | Fc
a W (b | Fc), (a W b) | Fc
a U (b & GFc), (a U b) & GFc