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fix bug in new core not detecting conflict, fix #6525, add tactic doc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2023-01-14 17:20:37 -05:00
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src/qe/qe_tactic.h
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@ -13,9 +13,33 @@ Author:
Leonardo de Moura (leonardo) 2011-12-28.
Revision History:
Tactic Documentation
## Tactic qe
### Short Description
Apply quantifier elimination on quantified sub-formulas.
### Long Description
The tactic applies quantifier elimination procedures on quantified sub-formulas.
It relies on theory plugins that can perform quanifier elimination for selected theories.
These plugins include Booleans, bit-vectors, arithmetic (linear), arrays, and data-types (term algebra).
It performs feasibility checks on cases to throttle the set of sub-formulas where quantifier elimination
is applied.
### Example
```z3
(declare-const x Int)
(declare-const y Int)
(assert (exists ((z Int)) (and (<= x (* 2 z)) (<= (* 3 z) y))))
(apply qe)
```
--*/
#pragma once
#include "util/params.h"