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twa: add support for very-weak property

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* spot/twa/twa.hh: Implement the property.
* spot/parseaut/parseaut.yy, spot/twaalgos/hoa.cc: Add input
and output for it.
* spot/twaalgos/strength.cc,
spot/twaalgos/strength.hh (is_very_weak_automaton): New function.
* tests/core/alternating.test: Add a test for --check=strength
on an alternating automaton.
* tests/core/strength.test, tests/core/parseaut.test: Adjust expected
output.
* NEWS, doc/org/hoa.org, doc/org/concepts.org: Document it.
This commit is contained in:
Alexandre Duret-Lutz 2016-12-01 18:27:54 +01:00
parent a4ce999402
commit 582d455c23
11 changed files with 146 additions and 33 deletions
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6
tests/core/strength.test
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@ -182,7 +182,7 @@ AP: 1 "a"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc colored
properties: deterministic weak
properties: deterministic very-weak
--BODY--
State: 0 {0}
[t] 1
@ -644,7 +644,7 @@ AP: 1 "a"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic weak
properties: deterministic very-weak
--BODY--
State: 0
[t] 0
@ -659,7 +659,7 @@ AP: 1 "a"
acc-name: co-Buchi
Acceptance: 1 Fin(0)
properties: trans-labels explicit-labels trans-acc complete
properties: deterministic weak
properties: deterministic very-weak
--BODY--
State: 0
[t] 0