[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/iterators/ssize.pass.cpp
[ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/iterators/ssize.pass.cpp:19:
[ 0:00] In file included from /dios/libcxx/include/iterator:420:
[ 0:00] In file included from /dios/libcxx/include/iosfwd:95:
[ 0:00] In file included from /dios/libcxx/include/wchar.h:118:
[ 0:00] In file included from /dios/include/wchar.h:9:
[ 0:00] In file included from /dios/include/_PDCLIB/int.h:16:
[ 0:00] /dios/include/_PDCLIB/cdefs.h:69:10: warning: Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011).
[ 0:00]         #warning Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011).
[ 0:00]          ^
[ 0:00] 1 warning generated.
[ 0:01] compiling /dios/lib/config/seqklee.bc
[ 0:01] setting up pass: functionmeta, options = 
[ 0:03] setting up pass: fuse-ctors, options = 
[ 0:03] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.3/_klee_out"
[ 0:06] KLEE: Using Z3 solver backend
[ 0:06] WARNING: this target does not support the llvm.stacksave intrinsic.
[ 0:06] warning: Linking two modules of different target triples: klee_div_zero_check.bc' is 'x86_64-unknown-linux-gnu' whereas 'klee.bc' is 'x86_64-unknown-none-elf'
[ 0:06] 
[ 0:06] KLEE: WARNING: undefined reference to function: _Z10klee_abortv
[ 0:10] KLEE: WARNING: undefined reference to function: __dios_tainted_init
[ 0:10] KLEE: WARNING: undefined reference to function: klee_free
[ 0:10] KLEE: WARNING: undefined reference to function: klee_malloc
[ 0:10] KLEE: WARNING ONCE: Using zero size array fix for landingpad instruction filter
[ 0:10] i:1
[ 0:10] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8.
[ 0:10] about to __boot:0
[ 0:10] about to run the scheduler:0
[ 0:10] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5
[ 0:10] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init
[ 0:10] KLEE: NOTE: now ignoring this error at this location
[ 0:10] KLEE: ERROR: EXITING ON ERROR:
[ 0:11] Error: failed external call: __dios_tainted_init
[ 0:11] File: /dios/libc/sys/start.cpp
[ 0:11] Line: 87
[ 0:11] assembly.ll line: 68714
[ 0:11] Stack: 
[ 0:11] 	#000068714 in __dios_start (l=2, argc=1, argv=94034995610632, envp=94034995663368) at /dios/libc/sys/start.cpp:87
[ 0:11] 	#100016543 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:11] 	#200077294 in klee_boot (argc=2, argv=94034963656064) at /dios/arch/klee/boot.c:41
[ 0:11] 
[ 0:11] 
[ 0:11]      1	/* TAGS: c++ fin */
[ 0:11]      2	/* CC_OPTS: -std=c++2a */
[ 0:11]      3	/* VERIFY_OPTS: -o nofail:malloc */
[ 0:11]      4	//===----------------------------------------------------------------------===//
[ 0:11]      5	//
[ 0:11]      6	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
[ 0:11]      7	// See https://llvm.org/LICENSE.txt for license information.
[ 0:11]      8	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
[ 0:11]      9	//
[ 0:11]     10	//===----------------------------------------------------------------------===//
[ 0:11]     11	
[ 0:11]     12	// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
[ 0:11]     13	
[ 0:11]     14	// <iterator>
[ 0:11]     15	// template <class C> constexpr auto ssize(const C& c)
[ 0:11]     16	//     -> common_type_t<ptrdiff_t, make_signed_t<decltype(c.size())>>;                    // C++20
[ 0:11]     17	// template <class T, ptrdiff_t> constexpr ptrdiff_t ssize(const T (&array)[N]) noexcept; // C++20
[ 0:11]     18	
[ 0:11]     19	#include <iterator>
[ 0:11]     20	#include <cassert>
[ 0:11]     21	#include <vector>
[ 0:11]     22	#include <array>
[ 0:11]     23	#include <list>
[ 0:11]     24	#include <initializer_list>
[ 0:11]     25	#include <string_view>
[ 0:11]     26	
[ 0:11]     27	#include "test_macros.h"
[ 0:11]     28	
[ 0:11]     29	
[ 0:11]     30	struct short_container {
[ 0:11]     31	    uint16_t size() const { return 60000; } // not noexcept
[ 0:11]     32	    };
[ 0:11]     33	
[ 0:11]     34	
[ 0:11]     35	
[ 0:11]     36	template<typename C>
[ 0:11]     37	void test_container(C& c)
[ 0:11]     38	{
[ 0:11]     39	//  Can't say noexcept here because the container might not be
[ 0:11]     40	    static_assert( std::is_signed_v<decltype(std::ssize(c))>, "");
[ 0:11]     41	    assert ( std::ssize(c)   == static_cast<decltype(std::ssize(c))>(c.size()));
[ 0:11]     42	}
[ 0:11]     43	
[ 0:11]     44	template<typename C>
[ 0:11]     45	void test_const_container(const C& c)
[ 0:11]     46	{
[ 0:11]     47	//  Can't say noexcept here because the container might not be
[ 0:11]     48	    static_assert( std::is_signed_v<decltype(std::ssize(c))>, "");
[ 0:11]     49	    assert ( std::ssize(c)   == static_cast<decltype(std::ssize(c))>(c.size()));
[ 0:11]     50	}
[ 0:11]     51	
[ 0:11]     52	template<typename T>
[ 0:11]     53	void test_const_container(const std::initializer_list<T>& c)
[ 0:11]     54	{
[ 0:11]     55	    LIBCPP_ASSERT_NOEXCEPT(std::ssize(c)); // our std::ssize is conditionally noexcept
[ 0:11]     56	    static_assert( std::is_signed_v<decltype(std::ssize(c))>, "");
[ 0:11]     57	    assert ( std::ssize(c)   == static_cast<decltype(std::ssize(c))>(c.size()));
[ 0:11]     58	}
[ 0:11]     59	
[ 0:11]     60	template<typename T>
[ 0:11]     61	void test_container(std::initializer_list<T>& c)
[ 0:11]     62	{
[ 0:11]     63	    LIBCPP_ASSERT_NOEXCEPT(std::ssize(c)); // our std::ssize is conditionally noexcept
[ 0:11]     64	    static_assert( std::is_signed_v<decltype(std::ssize(c))>, "");
[ 0:11]     65	    assert ( std::ssize(c)   == static_cast<decltype(std::ssize(c))>(c.size()));
[ 0:11]     66	}
[ 0:11]     67	
[ 0:11]     68	template<typename T, size_t Sz>
[ 0:11]     69	void test_const_array(const T (&array)[Sz])
[ 0:11]     70	{
[ 0:11]     71	    ASSERT_NOEXCEPT(std::ssize(array));
[ 0:11]     72	    static_assert( std::is_signed_v<decltype(std::ssize(array))>, "");
[ 0:11]     73	    assert ( std::ssize(array) == Sz );
[ 0:11]     74	}
[ 0:11]     75	
[ 0:11]     76	int main(int, char**)
[ 0:11]     77	{
[ 0:11]     78	    std::vector<int> v; v.push_back(1);
[ 0:11]     79	    std::list<int>   l; l.push_back(2);
[ 0:11]     80	    std::array<int, 1> a; a[0] = 3;
[ 0:11]     81	    std::initializer_list<int> il = { 4 };
[ 0:11]     82	    test_container ( v );
[ 0:11]     83	    ASSERT_SAME_TYPE(ptrdiff_t, decltype(std::ssize(v)));
[ 0:11]     84	    test_container ( l );
[ 0:11]     85	    ASSERT_SAME_TYPE(ptrdiff_t, decltype(std::ssize(l)));
[ 0:11]     86	    test_container ( a );
[ 0:11]     87	    ASSERT_SAME_TYPE(ptrdiff_t, decltype(std::ssize(a)));
[ 0:11]     88	    test_container ( il );
[ 0:11]     89	    ASSERT_SAME_TYPE(ptrdiff_t, decltype(std::ssize(il)));
[ 0:11]     90	
[ 0:11]     91	    test_const_container ( v );
[ 0:11]     92	    test_const_container ( l );
[ 0:11]     93	    test_const_container ( a );
[ 0:11]     94	    test_const_container ( il );
[ 0:11]     95	
[ 0:11]     96	    std::string_view sv{"ABC"};
[ 0:11]     97	    test_container ( sv );
[ 0:11]     98	    ASSERT_SAME_TYPE(ptrdiff_t, decltype(std::ssize(sv)));
[ 0:11]     99	    test_const_container ( sv );
[ 0:11]    100	
[ 0:11]    101	    static constexpr int arrA [] { 1, 2, 3 };
[ 0:11]    102	    ASSERT_SAME_TYPE(ptrdiff_t, decltype(std::ssize(arrA)));
[ 0:11]    103	    static_assert( std::is_signed_v<decltype(std::ssize(arrA))>, "");
[ 0:11]    104	    test_const_array ( arrA );
[ 0:11]    105	
[ 0:11]    106	//  From P1227R2:
[ 0:11]    107	//     Note that the code does not just return the std::make_signed variant of
[ 0:11]    108	//     the container's size() method, because it's conceivable that a container
[ 0:11]    109	//     might choose to represent its size as a uint16_t, supporting up to
[ 0:11]    110	//     65,535 elements, and it would be a disaster for std::ssize() to turn a
[ 0:11]    111	//     size of 60,000 into a size of -5,536.
[ 0:11]    112	
[ 0:11]    113	    short_container sc;
[ 0:11]    114	//  is the return type signed? Is it big enough to hold 60K?
[ 0:11]    115	//  is the "signed version" of sc.size() too small?
[ 0:11]    116	    static_assert( std::is_signed_v<                      decltype(std::ssize(sc))>, "");
[ 0:11]    117	    static_assert( std::numeric_limits<                   decltype(std::ssize(sc))>::max()  > 60000, "");
[ 0:11]    118	    static_assert( std::numeric_limits<std::make_signed_t<decltype(std:: size(sc))>>::max() < 60000, "");
[ 0:11]    119	    assert (std::ssize(sc) == 60000);
[ 0:11]    120	    LIBCPP_ASSERT_NOT_NOEXCEPT(std::ssize(sc));
[ 0:11]    121	    
[ 0:11]    122	  return 0;
[ 0:11]    123	}
[ 0:11] # no errors were expected but one was found anyway