cprover
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#include <bv_pointers.h>
Classes | |
struct | postponedt |
Public Member Functions | |
bv_pointerst (const namespacet &_ns, propt &_prop) | |
void | post_process () override |
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boolbvt (const namespacet &_ns, propt &_prop) | |
virtual const bvt & | convert_bv (const exprt &expr) |
exprt | get (const exprt &expr) const override |
void | set_to (const exprt &expr, bool value) override |
void | print_assignment (std::ostream &out) const override |
void | clear_cache () override |
virtual bool | literal (const exprt &expr, std::size_t bit, literalt &literal) const |
mp_integer | get_value (const bvt &bv) |
mp_integer | get_value (const bvt &bv, std::size_t offset, std::size_t width) |
const boolbv_mapt & | get_map () const |
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arrayst (const namespacet &_ns, propt &_prop) | |
literalt | record_array_equality (const equal_exprt &expr) |
void | record_array_index (const index_exprt &expr) |
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equalityt (const namespacet &_ns, propt &_prop) | |
virtual literalt | equality (const exprt &e1, const exprt &e2) |
void | post_process () override |
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prop_conv_solvert (const namespacet &_ns, propt &_prop) | |
virtual | ~prop_conv_solvert ()=default |
void | set_to (const exprt &expr, bool value) override |
decision_proceduret::resultt | dec_solve () override |
void | print_assignment (std::ostream &out) const override |
std::string | decision_procedure_text () const override |
exprt | get (const exprt &expr) const override |
virtual tvt | l_get (literalt a) const override |
void | set_frozen (literalt a) override |
void | set_assumptions (const bvt &_assumptions) override |
bool | has_set_assumptions () const override |
void | set_all_frozen () override |
literalt | convert (const exprt &expr) override |
bool | is_in_conflict (literalt l) const override |
determine whether a variable is in the final conflict More... | |
bool | has_is_in_conflict () const override |
virtual bool | literal (const exprt &expr, literalt &literal) const |
const cachet & | get_cache () const |
const symbolst & | get_symbols () const |
void | set_time_limit_seconds (uint32_t lim) override |
virtual void | set_frozen (literalt a) |
virtual void | set_frozen (const bvt &) |
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prop_convt (const namespacet &_ns) | |
virtual | ~prop_convt () |
literalt | operator() (const exprt &expr) |
virtual void | set_frozen (const bvt &) |
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decision_proceduret (const namespacet &_ns) | |
void | set_to_true (const exprt &expr) |
void | set_to_false (const exprt &expr) |
resultt | operator() () |
Protected Types | |
typedef boolbvt | SUB |
typedef std::list< postponedt > | postponed_listt |
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typedef arrayst | SUB |
typedef std::unordered_map< const exprt, bvt, irep_hash > | bv_cachet |
typedef std::list< quantifiert > | quantifier_listt |
typedef std::vector< std::size_t > | offset_mapt |
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enum | lazy_typet { lazy_typet::ARRAY_ACKERMANN, lazy_typet::ARRAY_WITH, lazy_typet::ARRAY_IF, lazy_typet::ARRAY_OF, lazy_typet::ARRAY_TYPECAST } |
typedef std::list< array_equalityt > | array_equalitiest |
typedef std::set< exprt > | index_sett |
typedef std::map< std::size_t, index_sett > | index_mapt |
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typedef std::unordered_map< const exprt, unsigned, irep_hash > | elementst |
typedef std::map< std::pair< unsigned, unsigned >, literalt > | equalitiest |
typedef std::map< unsigned, exprt > | elements_revt |
typedef std::unordered_map< const typet, typestructt, irep_hash > | typemapt |
Protected Member Functions | |
void | encode (std::size_t object, bvt &bv) |
virtual bvt | convert_pointer_type (const exprt &expr) |
virtual void | add_addr (const exprt &expr, bvt &bv) |
literalt | convert_rest (const exprt &expr) override |
bvt | convert_bitvector (const exprt &expr) override |
Converts an expression into its gate-level representation and returns a vector of literals corresponding to the outputs of the Boolean circuit. More... | |
exprt | bv_get_rec (const bvt &bv, const std::vector< bool > &unknown, std::size_t offset, const typet &type) const override |
bool | convert_address_of_rec (const exprt &expr, bvt &bv) |
void | offset_arithmetic (bvt &bv, const mp_integer &x) |
void | offset_arithmetic (bvt &bv, const mp_integer &factor, const exprt &index) |
void | offset_arithmetic (bvt &bv, const mp_integer &factor, const bvt &index_bv) |
void | do_postponed (const postponedt &postponed) |
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virtual bool | boolbv_set_equality_to_true (const equal_exprt &expr) |
void | conversion_failed (const exprt &expr, bvt &bv) |
bvt | conversion_failed (const exprt &expr) |
bool | type_conversion (const typet &src_type, const bvt &src, const typet &dest_type, bvt &dest) |
virtual literalt | convert_bv_rel (const exprt &expr) |
virtual literalt | convert_typecast (const typecast_exprt &expr) |
conversion from bitvector types to boolean More... | |
virtual literalt | convert_reduction (const unary_exprt &expr) |
virtual literalt | convert_onehot (const unary_exprt &expr) |
virtual literalt | convert_extractbit (const extractbit_exprt &expr) |
virtual literalt | convert_overflow (const exprt &expr) |
virtual literalt | convert_equality (const equal_exprt &expr) |
virtual literalt | convert_verilog_case_equality (const binary_relation_exprt &expr) |
virtual literalt | convert_ieee_float_rel (const exprt &expr) |
virtual literalt | convert_quantifier (const exprt &expr) |
virtual bvt | convert_index (const exprt &array, const mp_integer &index) |
index operator with constant index More... | |
virtual bvt | convert_index (const index_exprt &expr) |
virtual bvt | convert_bswap (const bswap_exprt &expr) |
virtual bvt | convert_byte_extract (const byte_extract_exprt &expr) |
virtual bvt | convert_byte_update (const byte_update_exprt &expr) |
virtual bvt | convert_constraint_select_one (const exprt &expr) |
virtual bvt | convert_if (const if_exprt &expr) |
virtual bvt | convert_struct (const struct_exprt &expr) |
virtual bvt | convert_array (const exprt &expr) |
virtual bvt | convert_vector (const exprt &expr) |
virtual bvt | convert_complex (const exprt &expr) |
virtual bvt | convert_complex_real (const exprt &expr) |
virtual bvt | convert_complex_imag (const exprt &expr) |
virtual bvt | convert_lambda (const exprt &expr) |
virtual bvt | convert_let (const let_exprt &) |
virtual bvt | convert_array_of (const array_of_exprt &expr) |
virtual bvt | convert_union (const union_exprt &expr) |
virtual bvt | convert_bv_typecast (const typecast_exprt &expr) |
virtual bvt | convert_add_sub (const exprt &expr) |
virtual bvt | convert_mult (const exprt &expr) |
virtual bvt | convert_div (const div_exprt &expr) |
virtual bvt | convert_mod (const mod_exprt &expr) |
virtual bvt | convert_floatbv_op (const exprt &expr) |
virtual bvt | convert_floatbv_typecast (const floatbv_typecast_exprt &expr) |
virtual bvt | convert_member (const member_exprt &expr) |
virtual bvt | convert_with (const exprt &expr) |
virtual bvt | convert_update (const exprt &expr) |
virtual bvt | convert_case (const exprt &expr) |
virtual bvt | convert_cond (const exprt &expr) |
virtual bvt | convert_shift (const binary_exprt &expr) |
virtual bvt | convert_bitwise (const exprt &expr) |
virtual bvt | convert_unary_minus (const unary_exprt &expr) |
virtual bvt | convert_abs (const abs_exprt &expr) |
virtual bvt | convert_concatenation (const exprt &expr) |
virtual bvt | convert_replication (const replication_exprt &expr) |
virtual bvt | convert_bv_literals (const exprt &expr) |
virtual bvt | convert_constant (const constant_exprt &expr) |
virtual bvt | convert_extractbits (const extractbits_exprt &expr) |
virtual bvt | convert_symbol (const exprt &expr) |
virtual bvt | convert_bv_reduction (const unary_exprt &expr) |
virtual bvt | convert_not (const not_exprt &expr) |
virtual bvt | convert_power (const binary_exprt &expr) |
virtual bvt | convert_function_application (const function_application_exprt &expr) |
virtual exprt | make_bv_expr (const typet &type, const bvt &bv) |
virtual exprt | make_free_bv_expr (const typet &type) |
void | convert_with (const typet &type, const exprt &op1, const exprt &op2, const bvt &prev_bv, bvt &next_bv) |
void | convert_with_bv (const typet &type, const exprt &op1, const exprt &op2, const bvt &prev_bv, bvt &next_bv) |
void | convert_with_array (const array_typet &type, const exprt &op1, const exprt &op2, const bvt &prev_bv, bvt &next_bv) |
void | convert_with_union (const union_typet &type, const exprt &op1, const exprt &op2, const bvt &prev_bv, bvt &next_bv) |
void | convert_with_struct (const struct_typet &type, const exprt &op1, const exprt &op2, const bvt &prev_bv, bvt &next_bv) |
void | convert_update_rec (const exprt::operandst &designator, std::size_t d, const typet &type, std::size_t offset, const exprt &new_value, bvt &bv) |
virtual exprt | bv_get_unbounded_array (const exprt &) const |
exprt | bv_get (const bvt &bv, const typet &type) const |
exprt | bv_get_cache (const exprt &expr) const |
bool | is_unbounded_array (const typet &type) const override |
void | post_process_quantifiers () |
offset_mapt | build_offset_map (const struct_typet &src) |
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virtual void | post_process_arrays () |
void | add_array_constraint (const lazy_constraintt &lazy, bool refine=true) |
adds array constraints (refine=true...lazily for the refinement loop) More... | |
void | add_array_constraints () |
void | add_array_Ackermann_constraints () |
void | add_array_constraints_equality (const index_sett &index_set, const array_equalityt &array_equality) |
void | add_array_constraints (const index_sett &index_set, const exprt &expr) |
void | add_array_constraints_if (const index_sett &index_set, const if_exprt &exprt) |
void | add_array_constraints_with (const index_sett &index_set, const with_exprt &expr) |
void | add_array_constraints_update (const index_sett &index_set, const update_exprt &expr) |
void | add_array_constraints_array_of (const index_sett &index_set, const array_of_exprt &exprt) |
void | update_index_map (bool update_all) |
void | update_index_map (std::size_t i) |
merge the indices into the root More... | |
void | collect_arrays (const exprt &a) |
void | collect_indices () |
void | collect_indices (const exprt &a) |
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virtual literalt | equality2 (const exprt &e1, const exprt &e2) |
virtual void | add_equality_constraints () |
virtual void | add_equality_constraints (const typestructt &typestruct) |
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virtual bool | get_bool (const exprt &expr, tvt &value) const |
get a boolean value from counter example if not valid More... | |
virtual literalt | convert_bool (const exprt &expr) |
virtual bool | set_equality_to_true (const equal_exprt &expr) |
virtual literalt | get_literal (const irep_idt &symbol) |
virtual void | ignoring (const exprt &expr) |
Protected Attributes | |
pointer_logict | pointer_logic |
unsigned | object_bits |
unsigned | offset_bits |
unsigned | bits |
postponed_listt | postponed_list |
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bv_utilst | bv_utils |
functionst | functions |
boolbv_mapt | map |
bv_cachet | bv_cache |
quantifier_listt | quantifier_list |
numbering< irep_idt > | string_numbering |
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array_equalitiest | array_equalities |
union_find< exprt > | arrays |
index_mapt | index_map |
bool | lazy_arrays |
bool | incremental_cache |
std::list< lazy_constraintt > | lazy_array_constraints |
std::map< exprt, bool > | expr_map |
std::set< std::size_t > | update_indices |
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typemapt | typemap |
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bool | post_processing_done = false |
symbolst | symbols |
cachet | cache |
propt & | prop |
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const namespacet & | ns |
Additional Inherited Members | |
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enum | unbounded_arrayt { unbounded_arrayt::U_NONE, unbounded_arrayt::U_ALL, unbounded_arrayt::U_AUTO } |
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typedef equalityt | SUB |
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typedef std::map< irep_idt, literalt > | symbolst |
typedef std::unordered_map< exprt, literalt, irep_hash > | cachet |
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enum | resultt { resultt::D_SATISFIABLE, resultt::D_UNSATISFIABLE, resultt::D_ERROR } |
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unbounded_arrayt | unbounded_array |
boolbv_widtht | boolbv_width |
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bool | use_cache = true |
bool | equality_propagation = true |
bool | freeze_all = false |
Definition at line 17 of file bv_pointers.h.
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Definition at line 63 of file bv_pointers.h.
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Definition at line 28 of file bv_pointers.h.
bv_pointerst::bv_pointerst | ( | const namespacet & | _ns, |
propt & | _prop | ||
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Definition at line 89 of file bv_pointers.cpp.
References bits, boolbvt::boolbv_width, configt::bv_encoding, config, object_bits, configt::bv_encodingt::object_bits, offset_bits, pointer_type(), and void_type().
Definition at line 728 of file bv_pointers.cpp.
References pointer_logict::add_object(), encode(), object_bits, pointer_logic, and to_string().
Referenced by convert_address_of_rec().
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Reimplemented from boolbvt.
Definition at line 607 of file bv_pointers.cpp.
References binary2integer(), bits, boolbvt::bv_get_rec(), tvt::get_value(), irept::id(), integer2size_t(), propt::l_get(), pointer_logict::pointert::object, pointer_logict::pointert::offset, offset_bits, pointer_logict::pointer_expr(), pointer_logic, prop_conv_solvert::prop, messaget::result(), to_pointer_type(), tvt::TV_FALSE, tvt::TV_TRUE, tvt::TV_UNKNOWN, and UNREACHABLE.
Definition at line 101 of file bv_pointers.cpp.
References add_addr(), index_exprt::array(), bits, boolbvt::bv_utils, CHECK_RETURN, if_exprt::cond(), prop_conv_solvert::convert(), convert_pointer_type(), DATA_INVARIANT, encode(), if_exprt::false_case(), namespace_baset::follow(), member_exprt::get_component_name(), pointer_logict::get_null_object(), irept::id(), index_exprt::index(), member_offset(), decision_proceduret::ns, offset_arithmetic(), exprt::op0(), exprt::operands(), pointer_logic, pointer_offset_size(), bv_utilst::select(), typet::subtype(), to_byte_extract_expr(), to_if_expr(), to_index_expr(), to_member_expr(), to_struct_type(), if_exprt::true_case(), exprt::type(), and UNREACHABLE.
Referenced by convert_pointer_type().
Converts an expression into its gate-level representation and returns a vector of literals corresponding to the outputs of the Boolean circuit.
expr | Expression to convert |
bitvector_conversion_exceptiont | raised if converting byte_extraction goes wrong. TODO: extend for other types of conversion exception (diffblue/cbmc#2103). |
Reimplemented from boolbvt.
Definition at line 482 of file bv_pointers.cpp.
References boolbvt::boolbv_width, bv_utilst::build_constant(), boolbvt::bv_utils, boolbvt::conversion_failed(), boolbvt::convert_bitvector(), boolbvt::convert_bv(), convert_pointer_type(), DATA_INVARIANT, bv_utilst::divider(), irept::id(), propt::new_variable(), decision_proceduret::ns, offset_bits, exprt::op0(), exprt::op1(), exprt::operands(), pointer_offset_size(), postponed_list, prop_conv_solvert::prop, bv_utilst::sign_extension(), bv_utilst::SIGNED, bv_utilst::sub(), typet::subtype(), exprt::type(), and bv_utilst::zero_extension().
Referenced by bv_cbmct::convert_bitvector().
Definition at line 230 of file bv_pointers.cpp.
References bv_utilst::add(), bits, boolbvt::boolbv_width, bv_utilst::build_constant(), boolbvt::bv_utils, CHECK_RETURN, boolbvt::conversion_failed(), convert_address_of_rec(), boolbvt::convert_bitwise(), boolbvt::convert_bv(), boolbvt::convert_byte_extract(), boolbvt::convert_concatenation(), boolbvt::convert_if(), boolbvt::convert_index(), boolbvt::convert_member(), boolbvt::convert_shift(), DATA_INVARIANT, encode(), bv_utilst::extension(), namespace_baset::follow(), Forall_literals, forall_operands, symbol_exprt::get_identifier(), boolbv_mapt::get_literals(), pointer_logict::get_null_object(), constant_exprt::get_value(), irept::id(), id2string(), irept::id_string(), boolbvt::map, propt::new_variable(), decision_proceduret::ns, offset_arithmetic(), exprt::op0(), exprt::op1(), exprt::operands(), pointer_logic, pointer_offset_size(), PRECONDITION, prop_conv_solvert::prop, bv_utilst::SIGNED, string2integer(), typet::subtype(), to_byte_extract_expr(), to_constant_expr(), to_if_expr(), to_index_expr(), to_member_expr(), to_shift_expr(), to_symbol_expr(), exprt::type(), bv_utilst::UNSIGNED, and bv_utilst::zero_extension().
Referenced by convert_address_of_rec(), and convert_bitvector().
Reimplemented from boolbvt.
Definition at line 16 of file bv_pointers.cpp.
References boolbvt::bv_utils, boolbvt::convert_bv(), boolbvt::convert_rest(), encode(), pointer_logict::get_invalid_object(), pointer_logict::get_null_object(), irept::id(), propt::land(), propt::lequal(), propt::lor(), propt::new_variable(), object_bits, offset_bits, exprt::operands(), pointer_logic, postponed_list, prop_conv_solvert::prop, bv_utilst::rel(), exprt::type(), and bv_utilst::UNSIGNED.
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Definition at line 742 of file bv_pointers.cpp.
References template_numberingt< Map >::begin(), bv_utilst::build_constant(), bv_pointerst::postponedt::bv, boolbvt::bv_utils, encode(), template_numberingt< Map >::end(), bv_utilst::equal(), bv_pointerst::postponedt::expr, namespace_baset::follow(), irept::id(), pointer_logict::is_dynamic_object(), irept::is_nil(), propt::l_set_to(), propt::limplies(), decision_proceduret::ns, object_size(), pointer_logict::objects, offset_bits, bv_pointerst::postponedt::op, pointer_logic, POSTCONDITION, PRECONDITION, prop_conv_solvert::prop, size_of_expr(), to_integer(), exprt::type(), and UNREACHABLE.
Referenced by post_process().
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Definition at line 661 of file bv_pointers.cpp.
References bits, const_literal(), object_bits, and offset_bits.
Referenced by add_addr(), convert_address_of_rec(), convert_pointer_type(), convert_rest(), and do_postponed().
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Definition at line 674 of file bv_pointers.cpp.
References bv_utilst::add(), bv_utilst::build_constant(), boolbvt::bv_utils, and offset_bits.
Referenced by convert_address_of_rec(), convert_pointer_type(), and offset_arithmetic().
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Definition at line 688 of file bv_pointers.cpp.
References boolbvt::bv_utils, boolbvt::convert_bv(), bv_utilst::extension(), irept::id(), offset_arithmetic(), offset_bits, bv_utilst::SIGNED, exprt::type(), and bv_utilst::UNSIGNED.
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Definition at line 704 of file bv_pointers.cpp.
References bv_utilst::add(), bv_utilst::build_constant(), boolbvt::bv_utils, offset_bits, bv_utilst::unsigned_multiplier(), and bv_utilst::zero_extension().
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Reimplemented from boolbvt.
Definition at line 838 of file bv_pointers.cpp.
References do_postponed(), boolbvt::post_process(), and postponed_list.
Referenced by bv_refinementt::dec_solve().
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Definition at line 30 of file bv_pointers.h.
Referenced by bv_get_rec(), bv_pointerst(), convert_address_of_rec(), convert_pointer_type(), and encode().
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Definition at line 30 of file bv_pointers.h.
Referenced by add_addr(), bv_pointerst(), convert_rest(), and encode().
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Definition at line 30 of file bv_pointers.h.
Referenced by bv_get_rec(), bv_pointerst(), convert_bitvector(), convert_rest(), do_postponed(), encode(), and offset_arithmetic().
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Definition at line 25 of file bv_pointers.h.
Referenced by add_addr(), bv_get_rec(), convert_address_of_rec(), convert_pointer_type(), convert_rest(), and do_postponed().
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Definition at line 64 of file bv_pointers.h.
Referenced by convert_bitvector(), convert_rest(), and post_process().