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New API for adding 'tracked assertions'. Added wrappers for creating existential and universal quantifiers in the C++ API fronted. Added new examples for the C++ API

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-11-10 15:54:31 -08:00
parent 108bbb0597
commit caced62f40
5 changed files with 168 additions and 7 deletions
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18
src/api/z3_api.h
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@ -6609,6 +6609,22 @@ END_MLAPI_EXCLUDE
def_API('Z3_solver_assert', VOID, (_in(CONTEXT), _in(SOLVER), _in(AST)))
*/
void Z3_API Z3_solver_assert(__in Z3_context c, __in Z3_solver s, __in Z3_ast a);
/**
\brief Assert a constraint \c a into the solver, and track it (in the unsat) core using
the Boolean constant \c p.
This API is an alternative to #Z3_solver_check_assumptions for extracting unsat cores.
Both APIs can be used in the same solver. The unsat core will contain a combination
of the Boolean variables provided using Z3_solver_assert_and_track and the Boolean literals
provided using #Z3_solver_check_assumptions.
\pre \c a must be a Boolean expression
\pre \c p must be a Boolean constant (aka variable).
def_API('Z3_solver_assert_and_track', VOID, (_in(CONTEXT), _in(SOLVER), _in(AST), _in(AST)))
*/
void Z3_API Z3_solver_assert_and_track(__in Z3_context c, __in Z3_solver s, __in Z3_ast a, __in Z3_ast p);
/**
\brief Return the set of asserted formulas as a goal object.
@ -6645,7 +6661,7 @@ END_MLAPI_EXCLUDE
*/
Z3_lbool Z3_API Z3_solver_check_assumptions(__in Z3_context c, __in Z3_solver s,
__in unsigned num_assumptions, __in_ecount(num_assumptions) Z3_ast const assumptions[]);
/**
\brief Retrieve the model for the last #Z3_solver_check or #Z3_solver_check_assumptions