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add non-units method

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-09-20 20:37:14 -07:00
parent 39ed27101e
commit c59a957737
5 changed files with 55 additions and 0 deletions
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15
src/api/api_solver.cpp
View file

@ -372,6 +372,21 @@ extern "C" {
Z3_CATCH_RETURN(0);
}
Z3_ast_vector Z3_API Z3_solver_get_non_units(Z3_context c, Z3_solver s) {
Z3_TRY;
LOG_Z3_solver_get_non_units(c, s);
RESET_ERROR_CODE();
init_solver(c, s);
Z3_ast_vector_ref * v = alloc(Z3_ast_vector_ref, *mk_c(c), mk_c(c)->m());
mk_c(c)->save_object(v);
expr_ref_vector fmls = to_solver_ref(s)->get_non_units(mk_c(c)->m());
for (expr* f : fmls) {
v->m_ast_vector.push_back(f);
}
RETURN_Z3(of_ast_vector(v));
Z3_CATCH_RETURN(0);
}
static Z3_lbool _solver_check(Z3_context c, Z3_solver s, unsigned num_assumptions, Z3_ast const assumptions[]) {
for (unsigned i = 0; i < num_assumptions; i++) {
if (!is_expr(to_ast(assumptions[i]))) {

1
src/api/c++/z3++.h
View file

@ -2038,6 +2038,7 @@ namespace z3 {
stats statistics() const { Z3_stats r = Z3_solver_get_statistics(ctx(), m_solver); check_error(); return stats(ctx(), r); }
expr_vector unsat_core() const { Z3_ast_vector r = Z3_solver_get_unsat_core(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
expr_vector assertions() const { Z3_ast_vector r = Z3_solver_get_assertions(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
expr_vector non_units() const { Z3_ast_vector r = Z3_solver_get_non_units(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
expr proof() const { Z3_ast r = Z3_solver_get_proof(ctx(), m_solver); check_error(); return expr(ctx(), r); }
friend std::ostream & operator<<(std::ostream & out, solver const & s);

8
src/api/z3_api.h
View file

@ -6121,6 +6121,14 @@ extern "C" {
*/
Z3_ast_vector Z3_API Z3_solver_get_units(Z3_context c, Z3_solver s);
/**
\brief Return the set of non units in the solver state.
def_API('Z3_solver_get_non_units', AST_VECTOR, (_in(CONTEXT), _in(SOLVER)))
*/
Z3_ast_vector Z3_API Z3_solver_get_non_units(Z3_context c, Z3_solver s);
/**
\brief Check whether the assertions in a given solver are consistent or not.