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Merge branch 'master' of https://github.com/z3prover/z3

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This commit is contained in:
Nikolaj Bjorner 2018-08-03 22:14:28 -07:00
commit fd09b1a7d0
5 changed files with 16 additions and 12 deletions
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6
src/api/api_context.cpp
View file

@ -379,11 +379,13 @@ extern "C" {
Z3_TRY;
LOG_Z3_dec_ref(c, a);
RESET_ERROR_CODE();
if (to_ast(a)->get_ref_count() == 0) {
if (a && to_ast(a)->get_ref_count() == 0) {
SET_ERROR_CODE(Z3_DEC_REF_ERROR, nullptr);
return;
}
mk_c(c)->m().dec_ref(to_ast(a));
if (a) {
mk_c(c)->m().dec_ref(to_ast(a));
}
Z3_CATCH;
}

12
src/api/api_model.cpp
View file

@ -206,9 +206,8 @@ extern "C" {
ptr_vector<expr> const & universe = to_model_ref(m)->get_universe(to_sort(s));
Z3_ast_vector_ref * v = alloc(Z3_ast_vector_ref, *mk_c(c), mk_c(c)->m());
mk_c(c)->save_object(v);
unsigned sz = universe.size();
for (unsigned i = 0; i < sz; i++) {
v->m_ast_vector.push_back(universe[i]);
for (expr * e : universe) {
v->m_ast_vector.push_back(e);
}
RETURN_Z3(of_ast_vector(v));
Z3_CATCH_RETURN(nullptr);
@ -230,7 +229,7 @@ extern "C" {
Z3_TRY;
LOG_Z3_is_as_array(c, a);
RESET_ERROR_CODE();
return is_expr(to_ast(a)) && is_app_of(to_expr(a), mk_c(c)->get_array_fid(), OP_AS_ARRAY);
return a && is_expr(to_ast(a)) && is_app_of(to_expr(a), mk_c(c)->get_array_fid(), OP_AS_ARRAY);
Z3_CATCH_RETURN(Z3_FALSE);
}
@ -238,7 +237,7 @@ extern "C" {
Z3_TRY;
LOG_Z3_get_as_array_func_decl(c, a);
RESET_ERROR_CODE();
if (is_expr(to_ast(a)) && is_app_of(to_expr(a), mk_c(c)->get_array_fid(), OP_AS_ARRAY)) {
if (a && is_expr(to_ast(a)) && is_app_of(to_expr(a), mk_c(c)->get_array_fid(), OP_AS_ARRAY)) {
RETURN_Z3(of_func_decl(to_func_decl(to_app(a)->get_decl()->get_parameter(0).get_ast())));
}
else {
@ -252,6 +251,7 @@ extern "C" {
Z3_TRY;
LOG_Z3_add_func_interp(c, m, f, else_val);
RESET_ERROR_CODE();
CHECK_NON_NULL(f, nullptr);
func_decl* d = to_func_decl(f);
model* mdl = to_model_ref(m);
Z3_func_interp_ref * f_ref = alloc(Z3_func_interp_ref, *mk_c(c), mdl);
@ -268,7 +268,7 @@ extern "C" {
LOG_Z3_add_const_interp(c, m, f, a);
RESET_ERROR_CODE();
func_decl* d = to_func_decl(f);
if (d->get_arity() != 0) {
if (!d || d->get_arity() != 0) {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
}
else {