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add basic built-in consequence finding

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-07-28 11:20:17 -07:00
parent b7de813c63
commit 14f29e7265
6 changed files with 200 additions and 13 deletions
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13
src/solver/solver.h
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@ -150,12 +150,13 @@ public:
virtual expr * get_assumption(unsigned idx) const = 0;
/**
\brief under assumptions, asms, retrieve set of consequences that fix values for expressions that can be
built from fns. For functions that take 0 arguments, we require that the function returns all consequences
that mention these functions. The consequences are clauses whose first literal constrain one of the
functions from fns and the other literals are negations of literals from asms.
*/
//virtual lbool get_consequences(expr_ref_vector const& asms, func_ref_vector const& fns, expr_ref_vector& consequences);
\brief under assumptions, asms, retrieve set of consequences that
fix values for expressions that can be built from vars.
The consequences are clauses whose first literal constrain one of the
functions from vars and the other literals are negations of literals from asms.
*/
virtual lbool get_consequences(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences);
/**
\brief Display the content of this solver.