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9 commits

Author SHA1 Message Date
Nikolaj Bjorner
65b6ccd651 add nullable propagation instead of waiting for length assignment
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-06-06 11:32:43 -07:00
Nikolaj Bjorner
1b9fcc7098 integrate ite-normalized derivatives
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-06-05 17:28:48 -07:00
Nikolaj Bjorner
9764007c97 lorem ipsum
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-26 20:55:02 -07:00
Nikolaj Bjorner
88e36c6bf3 add general purpose emptiness/non-emptiness check
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-26 20:42:21 -07:00
Nikolaj Bjorner
5e79eb62fd add some notes to regex
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-26 13:30:52 -07:00
Nikolaj Bjorner
a97bc65af4 hoist co-factors eagerly without adding axioms
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-25 15:10:45 -07:00
Nikolaj Bjorner
4e01d5b5c1 tune axioms for derivatives
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-25 14:11:59 -07:00
Nikolaj Bjorner
24df35a83e guard derivative code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-23 16:02:10 -07:00
Nikolaj Bjorner
eb3f20832e initial pass at using derivatives in regex unfolding
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-23 11:53:07 -07:00