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working on separating horn simplificaiton

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-03-18 21:46:42 -07:00
parent 39b9da7118
commit 7e9f4e264d
14 changed files with 160 additions and 295 deletions
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8
src/ast/rewriter/quant_hoist.h
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@ -59,6 +59,14 @@ public:
The list of variables is empty if there are no top-level universal/existential quantifier.
*/
void pull_quantifier(bool is_forall, expr_ref& fml, app_ref_vector& vars);
/**
\brief Pull top-most universal (is_forall true) or existential (is_forall=false) quantifier up.
Return an expression with de-Bruijn indices and the list of names that were used.
Return index of maximal variable.
*/
unsigned pull_quantifier(bool is_forall, expr_ref& fml, svector<symbol>* names);
};
#endif