[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/atomic/atomic_exchange.pass.cpp
[ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/atomic/atomic_exchange.pass.cpp:25:
[ 0:01] In file included from /dios/libcxx/include/atomic:550:
[ 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 = 
[ 0:03] setting up pass: fuse-ctors, options = 
[ 0:03] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.4/_klee_out"
[ 0:05] KLEE: Using Z3 solver backend
[ 0:05] WARNING: this target does not support the llvm.stacksave intrinsic.
[ 0:05] 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'
[ 0:05] 
[ 0:05] KLEE: WARNING: undefined reference to function: __dios_tainted_init
[ 0:08] KLEE: WARNING: undefined reference to function: klee_free
[ 0:08] KLEE: WARNING: undefined reference to function: klee_malloc
[ 0:08] i:1
[ 0:08] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8.
[ 0:08] about to __boot:0
[ 0:08] about to run the scheduler:0
[ 0:08] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5
[ 0:08] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init
[ 0:08] KLEE: NOTE: now ignoring this error at this location
[ 0:08] KLEE: ERROR: EXITING ON ERROR:
[ 0:09] Error: failed external call: __dios_tainted_init
[ 0:09] File: /dios/libc/sys/start.cpp
[ 0:09] Line: 87
[ 0:09] assembly.ll line: 40423
[ 0:09] Stack: 
[ 0:09] 	#000040423 in __dios_start (l=2, argc=1, argv=94491708019208, envp=94491708096520) at /dios/libc/sys/start.cpp:87
[ 0:09] 	#100016432 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:09] 	#200048671 in klee_boot (argc=2, argv=94491680570112) at /dios/arch/klee/boot.c:41
[ 0:09] 
[ 0:09] 
[ 0:09]      1	/* TAGS: c++ fin */
[ 0:09]      2	/* CC_OPTS: -std=c++2a */
[ 0:09]      3	/* VERIFY_OPTS: -o nofail:malloc */
[ 0:09]      4	//===----------------------------------------------------------------------===//
[ 0:09]      5	//
[ 0:09]      6	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
[ 0:09]      7	// See https://llvm.org/LICENSE.txt for license information.
[ 0:09]      8	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
[ 0:09]      9	//
[ 0:09]     10	//===----------------------------------------------------------------------===//
[ 0:09]     11	//
[ 0:09]     12	// UNSUPPORTED: libcpp-has-no-threads
[ 0:09]     13	//  ... fails assertion line 31
[ 0:09]     14	
[ 0:09]     15	// <atomic>
[ 0:09]     16	
[ 0:09]     17	// template <class T>
[ 0:09]     18	//     T
[ 0:09]     19	//     atomic_exchange(volatile atomic<T>* obj, T desr);
[ 0:09]     20	//
[ 0:09]     21	// template <class T>
[ 0:09]     22	//     T
[ 0:09]     23	//     atomic_exchange(atomic<T>* obj, T desr);
[ 0:09]     24	
[ 0:09]     25	#include <atomic>
[ 0:09]     26	#include <type_traits>
[ 0:09]     27	#include <cassert>
[ 0:09]     28	
[ 0:09]     29	#include "test_macros.h"
[ 0:09]     30	#include "atomic_helpers.h"
[ 0:09]     31	
[ 0:09]     32	template <class T>
[ 0:09]     33	struct TestFn {
[ 0:09]     34	  void operator()() const {
[ 0:09]     35	    typedef std::atomic<T> A;
[ 0:09]     36	    A t;
[ 0:09]     37	    std::atomic_init(&t, T(1));
[ 0:09]     38	    assert(std::atomic_exchange(&t, T(2)) == T(1));
[ 0:09]     39	    assert(t == T(2));
[ 0:09]     40	    volatile A vt;
[ 0:09]     41	    std::atomic_init(&vt, T(3));
[ 0:09]     42	    assert(std::atomic_exchange(&vt, T(4)) == T(3));
[ 0:09]     43	    assert(vt == T(4));
[ 0:09]     44	  }
[ 0:09]     45	};
[ 0:09]     46	
[ 0:09]     47	
[ 0:09]     48	int main(int, char**)
[ 0:09]     49	{
[ 0:09]     50	    TestEachAtomicType<TestFn>()();
[ 0:09]     51	
[ 0:09]     52	  return 0;
[ 0:09]     53	}
[ 0:09] # no errors were expected but one was found anyway