[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/strings/find_char_size.pass.cpp
[ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/strings/find_char_size.pass.cpp:16:
[ 0:01] In file included from /dios/libcxx/include/string_view:175:
[ 0:01] In file included from /dios/libcxx/include/__string:56:
[ 0:01] In file included from /dios/libcxx/include/algorithm:639:
[ 0:01] In file included from /dios/libcxx/include/initializer_list:46:
[ 0:01] In file included from /dios/libcxx/include/cstddef:44:
[ 0:01] In file included from /dios/include/stddef.h:10:
[ 0:01] In file included from /dios/include/_PDCLIB/int.h:16:
[ 0:01] /dios/include/_PDCLIB/cdefs.h:69:10: warning: Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011).
[ 0:01]         #warning Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011).
[ 0:01]          ^
[ 0:01] 1 warning generated.
[ 0:01] compiling /dios/lib/config/seqklee.bc
[ 0:01] setting up pass: functionmeta, options = 
[ 0:02] setting up pass: fuse-ctors, options = 
[ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.7/_klee_out"
[ 0:04] KLEE: Using Z3 solver backend
[ 0:04] WARNING: this target does not support the llvm.stacksave intrinsic.
[ 0:04] 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'
[ 0:04] 
[ 0:04] KLEE: WARNING: undefined reference to function: __dios_tainted_init
[ 0:06] KLEE: WARNING: undefined reference to function: klee_free
[ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc
[ 0:06] i:1
[ 0:06] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8.
[ 0:06] about to __boot:0
[ 0:06] about to run the scheduler:0
[ 0:06] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5
[ 0:06] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init
[ 0:06] KLEE: NOTE: now ignoring this error at this location
[ 0:06] KLEE: ERROR: EXITING ON ERROR:
[ 0:06] Error: failed external call: __dios_tainted_init
[ 0:06] File: /dios/libc/sys/start.cpp
[ 0:06] Line: 87
[ 0:06] assembly.ll line: 34784
[ 0:06] Stack: 
[ 0:06] 	#000034784 in __dios_start (l=2, argc=1, argv=94700398678536, envp=94700398739464) at /dios/libc/sys/start.cpp:87
[ 0:06] 	#100010793 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:06] 	#200043032 in klee_boot (argc=2, argv=94700373228288) at /dios/arch/klee/boot.c:41
[ 0:06] 
[ 0:06] 
[ 0:06]      1	/* TAGS: c++ fin */
[ 0:06]      2	/* CC_OPTS: -std=c++2a */
[ 0:06]      3	/* VERIFY_OPTS: -o nofail:malloc */
[ 0:06]      4	//===----------------------------------------------------------------------===//
[ 0:06]      5	//
[ 0:06]      6	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
[ 0:06]      7	// See https://llvm.org/LICENSE.txt for license information.
[ 0:06]      8	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
[ 0:06]      9	//
[ 0:06]     10	//===----------------------------------------------------------------------===//
[ 0:06]     11	
[ 0:06]     12	// <string_view>
[ 0:06]     13	
[ 0:06]     14	// constexpr size_type find(charT c, size_type pos = 0) const;
[ 0:06]     15	
[ 0:06]     16	#include <string_view>
[ 0:06]     17	#include <cassert>
[ 0:06]     18	
[ 0:06]     19	#include "test_macros.h"
[ 0:06]     20	#include "constexpr_char_traits.hpp"
[ 0:06]     21	
[ 0:06]     22	template <class S>
[ 0:06]     23	void
[ 0:06]     24	test(const S& s, typename S::value_type c, typename S::size_type pos,
[ 0:06]     25	     typename S::size_type x)
[ 0:06]     26	{
[ 0:06]     27	    assert(s.find(c, pos) == x);
[ 0:06]     28	    if (x != S::npos)
[ 0:06]     29	        assert(pos <= x && x + 1 <= s.size());
[ 0:06]     30	}
[ 0:06]     31	
[ 0:06]     32	template <class S>
[ 0:06]     33	void
[ 0:06]     34	test(const S& s, typename S::value_type c, typename S::size_type x)
[ 0:06]     35	{
[ 0:06]     36	    assert(s.find(c) == x);
[ 0:06]     37	    if (x != S::npos)
[ 0:06]     38	        assert(0 <= x && x + 1 <= s.size());
[ 0:06]     39	}
[ 0:06]     40	
[ 0:06]     41	int main(int, char**)
[ 0:06]     42	{
[ 0:06]     43	    {
[ 0:06]     44	    typedef std::string_view S;
[ 0:06]     45	    test(S(""), 'c', 0, S::npos);
[ 0:06]     46	    test(S(""), 'c', 1, S::npos);
[ 0:06]     47	    test(S("abcde"), 'c', 0, 2);
[ 0:06]     48	    test(S("abcde"), 'c', 1, 2);
[ 0:06]     49	    test(S("abcde"), 'c', 2, 2);
[ 0:06]     50	    test(S("abcde"), 'c', 4, S::npos);
[ 0:06]     51	    test(S("abcde"), 'c', 5, S::npos);
[ 0:06]     52	    test(S("abcde"), 'c', 6, S::npos);
[ 0:06]     53	    test(S("abcdeabcde"), 'c', 0, 2);
[ 0:06]     54	    test(S("abcdeabcde"), 'c', 1, 2);
[ 0:06]     55	    test(S("abcdeabcde"), 'c', 5, 7);
[ 0:06]     56	    test(S("abcdeabcde"), 'c', 9, S::npos);
[ 0:06]     57	    test(S("abcdeabcde"), 'c', 10, S::npos);
[ 0:06]     58	    test(S("abcdeabcde"), 'c', 11, S::npos);
[ 0:06]     59	    test(S("abcdeabcdeabcdeabcde"), 'c', 0, 2);
[ 0:06]     60	    test(S("abcdeabcdeabcdeabcde"), 'c', 1, 2);
[ 0:06]     61	    test(S("abcdeabcdeabcdeabcde"), 'c', 10, 12);
[ 0:06]     62	    test(S("abcdeabcdeabcdeabcde"), 'c', 19, S::npos);
[ 0:06]     63	    test(S("abcdeabcdeabcdeabcde"), 'c', 20, S::npos);
[ 0:06]     64	    test(S("abcdeabcdeabcdeabcde"), 'c', 21, S::npos);
[ 0:06]     65	
[ 0:06]     66	    test(S(""), 'c', S::npos);
[ 0:06]     67	    test(S("abcde"), 'c', 2);
[ 0:06]     68	    test(S("abcdeabcde"), 'c', 2);
[ 0:06]     69	    test(S("abcdeabcdeabcdeabcde"), 'c', 2);
[ 0:06]     70	    }
[ 0:06]     71	
[ 0:06]     72	#if TEST_STD_VER > 11
[ 0:06]     73	    {
[ 0:06]     74	    typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
[ 0:06]     75	    constexpr SV  sv1;
[ 0:06]     76	    constexpr SV  sv2 { "abcde", 5 };
[ 0:06]     77	
[ 0:06]     78	    static_assert (sv1.find( 'c', 0 ) == SV::npos, "" );
[ 0:06]     79	    static_assert (sv1.find( 'c', 1 ) == SV::npos, "" );
[ 0:06]     80	    static_assert (sv2.find( 'c', 0 ) == 2, "" );
[ 0:06]     81	    static_assert (sv2.find( 'c', 1 ) == 2, "" );
[ 0:06]     82	    static_assert (sv2.find( 'c', 2 ) == 2, "" );
[ 0:06]     83	    static_assert (sv2.find( 'c', 3 ) == SV::npos, "" );
[ 0:06]     84	    static_assert (sv2.find( 'c', 4 ) == SV::npos, "" );
[ 0:06]     85	    }
[ 0:06]     86	#endif
[ 0:06]     87	
[ 0:06]     88	  return 0;
[ 0:06]     89	}
[ 0:06] # no errors were expected but one was found anyway