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postproc: option to wdba-minimize only when sure

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Fixes #15.

* spot/twaalgos/minimize.hh, spot/twaalgos/minimize.cc
(minimize_obligation_garanteed_to_work): New function.
* spot/twaalgos/postproc.hh, spot/twaalgos/postproc.cc: Use it if
wdba-minimize=1.  Handle new default for wdba-minimize.
* NEWS, bin/spot-x.cc: Document those changes.
* tests/core/ltl2tgba2.test: Add some test cases.
* tests/core/genltl.test: Improve expected results.
This commit is contained in:
Alexandre Duret-Lutz 2020-05-21 15:42:05 +02:00
parent 579ff63817
commit a0767e3c1e
8 changed files with 79 additions and 22 deletions
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11
tests/core/ltl2tgba2.test
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@ -458,4 +458,15 @@ res=`ltl2tgba -D -G 'X((Fa & Fb & Fc & Fd) ^ GFe)' --stats='%s %g'`
test "$res" = "17 (Inf(0)&Inf(1)) | (Fin(0) & Fin(1))"
ltlcross 'ltl2tgba -D -G' 'ltl2tgba -G' -f '(Fa & Fb & Fc & Fd) ^ GFe'
f='G(p1 | G!p0) M Xp1'
test "6,1" = `ltl2tgba "$f" --stats=%s,%d`
test "6,0" = `ltl2tgba -x wdba-minimize=2 "$f" --stats=%s,%d`
test "6,0" = `ltl2tgba -x wdba-minimize=0 "$f" --stats=%s,%d`
test "6,0" = `ltl2tgba --med "$f" --stats=%s,%d`
f='X((p1 & Xp1) M Fp1)'
test "4,1" = `ltl2tgba -D "$f" --stats=%s,%d`
test "4,1" = `ltl2tgba -D -x wdba-minimize=2 "$f" --stats=%s,%d`
test "4,0" = `ltl2tgba -D -x wdba-minimize=0 "$f" --stats=%s,%d`
test "4,1" = `ltl2tgba -D --med "$f" --stats=%s,%d`
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