[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/atomic/test_and_set.pass.cpp [ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/atomic/test_and_set.pass.cpp:21: [ 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 = [ 0:02] setting up pass: fuse-ctors, options = [ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.19/_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 [ 0:07] KLEE: WARNING: undefined reference to function: klee_free [ 0:07] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:07] i:1 [ 0:07] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:07] about to __boot:0 [ 0:07] about to run the scheduler:0 [ 0:07] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:07] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:07] KLEE: NOTE: now ignoring this error at this location [ 0:07] KLEE: ERROR: EXITING ON ERROR: [ 0:07] Error: failed external call: __dios_tainted_init [ 0:07] File: /dios/libc/sys/start.cpp [ 0:07] Line: 87 [ 0:07] assembly.ll line: 37131 [ 0:07] Stack: [ 0:07] #000037131 in __dios_start (l=2, argc=1, argv=94253233803784, envp=94253233881096) at /dios/libc/sys/start.cpp:87 [ 0:07] #100013140 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:07] #200045379 in klee_boot (argc=2, argv=94253207713792) at /dios/arch/klee/boot.c:41 [ 0:07] [ 0:07] [ 0:07] 1 /* TAGS: c++ fin */ [ 0:07] 2 /* CC_OPTS: -std=c++2a */ [ 0:07] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:07] 4 //===----------------------------------------------------------------------===// [ 0:07] 5 // [ 0:07] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:07] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:07] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:07] 9 // [ 0:07] 10 //===----------------------------------------------------------------------===// [ 0:07] 11 // [ 0:07] 12 // UNSUPPORTED: libcpp-has-no-threads [ 0:07] 13 [ 0:07] 14 // [ 0:07] 15 [ 0:07] 16 // struct atomic_flag [ 0:07] 17 [ 0:07] 18 // bool test_and_set(memory_order = memory_order_seq_cst); [ 0:07] 19 // bool test_and_set(memory_order = memory_order_seq_cst) volatile; [ 0:07] 20 [ 0:07] 21 #include [ 0:07] 22 #include [ 0:07] 23 [ 0:07] 24 #include "test_macros.h" [ 0:07] 25 [ 0:07] 26 int main(int, char**) [ 0:07] 27 { [ 0:07] 28 { [ 0:07] 29 std::atomic_flag f; [ 0:07] 30 f.clear(); [ 0:07] 31 assert(f.test_and_set() == 0); [ 0:07] 32 assert(f.test_and_set() == 1); [ 0:07] 33 } [ 0:07] 34 { [ 0:07] 35 std::atomic_flag f; [ 0:07] 36 f.clear(); [ 0:07] 37 assert(f.test_and_set(std::memory_order_relaxed) == 0); [ 0:07] 38 assert(f.test_and_set(std::memory_order_relaxed) == 1); [ 0:07] 39 } [ 0:07] 40 { [ 0:07] 41 std::atomic_flag f; [ 0:07] 42 f.clear(); [ 0:07] 43 assert(f.test_and_set(std::memory_order_consume) == 0); [ 0:07] 44 assert(f.test_and_set(std::memory_order_consume) == 1); [ 0:07] 45 } [ 0:07] 46 { [ 0:07] 47 std::atomic_flag f; [ 0:07] 48 f.clear(); [ 0:07] 49 assert(f.test_and_set(std::memory_order_acquire) == 0); [ 0:07] 50 assert(f.test_and_set(std::memory_order_acquire) == 1); [ 0:07] 51 } [ 0:07] 52 { [ 0:07] 53 std::atomic_flag f; [ 0:07] 54 f.clear(); [ 0:07] 55 assert(f.test_and_set(std::memory_order_release) == 0); [ 0:07] 56 assert(f.test_and_set(std::memory_order_release) == 1); [ 0:07] 57 } [ 0:07] 58 { [ 0:07] 59 std::atomic_flag f; [ 0:07] 60 f.clear(); [ 0:07] 61 assert(f.test_and_set(std::memory_order_acq_rel) == 0); [ 0:07] 62 assert(f.test_and_set(std::memory_order_acq_rel) == 1); [ 0:07] 63 } [ 0:07] 64 { [ 0:07] 65 std::atomic_flag f; [ 0:07] 66 f.clear(); [ 0:07] 67 assert(f.test_and_set(std::memory_order_seq_cst) == 0); [ 0:07] 68 assert(f.test_and_set(std::memory_order_seq_cst) == 1); [ 0:07] 69 } [ 0:07] 70 { [ 0:07] 71 volatile std::atomic_flag f; [ 0:07] 72 f.clear(); [ 0:07] 73 assert(f.test_and_set() == 0); [ 0:07] 74 assert(f.test_and_set() == 1); [ 0:07] 75 } [ 0:07] 76 { [ 0:07] 77 volatile std::atomic_flag f; [ 0:07] 78 f.clear(); [ 0:07] 79 assert(f.test_and_set(std::memory_order_relaxed) == 0); [ 0:07] 80 assert(f.test_and_set(std::memory_order_relaxed) == 1); [ 0:07] 81 } [ 0:07] 82 { [ 0:07] 83 volatile std::atomic_flag f; [ 0:07] 84 f.clear(); [ 0:07] 85 assert(f.test_and_set(std::memory_order_consume) == 0); [ 0:07] 86 assert(f.test_and_set(std::memory_order_consume) == 1); [ 0:07] 87 } [ 0:07] 88 { [ 0:07] 89 volatile std::atomic_flag f; [ 0:07] 90 f.clear(); [ 0:07] 91 assert(f.test_and_set(std::memory_order_acquire) == 0); [ 0:07] 92 assert(f.test_and_set(std::memory_order_acquire) == 1); [ 0:07] 93 } [ 0:07] 94 { [ 0:07] 95 volatile std::atomic_flag f; [ 0:07] 96 f.clear(); [ 0:07] 97 assert(f.test_and_set(std::memory_order_release) == 0); [ 0:07] 98 assert(f.test_and_set(std::memory_order_release) == 1); [ 0:07] 99 } [ 0:07] 100 { [ 0:07] 101 volatile std::atomic_flag f; [ 0:07] 102 f.clear(); [ 0:07] 103 assert(f.test_and_set(std::memory_order_acq_rel) == 0); [ 0:07] 104 assert(f.test_and_set(std::memory_order_acq_rel) == 1); [ 0:07] 105 } [ 0:07] 106 { [ 0:07] 107 volatile std::atomic_flag f; [ 0:07] 108 f.clear(); [ 0:07] 109 assert(f.test_and_set(std::memory_order_seq_cst) == 0); [ 0:07] 110 assert(f.test_and_set(std::memory_order_seq_cst) == 1); [ 0:07] 111 } [ 0:07] 112 [ 0:07] 113 return 0; [ 0:07] 114 } [ 0:07] # no errors were expected but one was found anyway