[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/atomic/bool.pass.cpp [ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/atomic/bool.pass.cpp:56: [ 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.6/_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: [ 0:08] Error: failed external call: __dios_tainted_init [ 0:08] File: /dios/libc/sys/start.cpp [ 0:08] Line: 87 [ 0:08] assembly.ll line: 44773 [ 0:08] Stack: [ 0:08] #000044773 in __dios_start (l=2, argc=1, argv=94799341949448, envp=94799342018568) at /dios/libc/sys/start.cpp:87 [ 0:08] #100020782 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:08] #200053021 in klee_boot (argc=2, argv=94799312345088) at /dios/arch/klee/boot.c:41 [ 0:08] [ 0:08] [ 0:08] 1 /* TAGS: c++ fin */ [ 0:08] 2 /* CC_OPTS: -std=c++2a */ [ 0:08] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:08] 4 //===----------------------------------------------------------------------===// [ 0:08] 5 // [ 0:08] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:08] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:08] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:08] 9 // [ 0:08] 10 //===----------------------------------------------------------------------===// [ 0:08] 11 // [ 0:08] 12 // UNSUPPORTED: libcpp-has-no-threads [ 0:08] 13 [ 0:08] 14 // [ 0:08] 15 [ 0:08] 16 // template [ 0:08] 17 // struct atomic [ 0:08] 18 // { [ 0:08] 19 // bool is_lock_free() const volatile; [ 0:08] 20 // bool is_lock_free() const; [ 0:08] 21 // void store(T desr, memory_order m = memory_order_seq_cst) volatile; [ 0:08] 22 // void store(T desr, memory_order m = memory_order_seq_cst); [ 0:08] 23 // T load(memory_order m = memory_order_seq_cst) const volatile; [ 0:08] 24 // T load(memory_order m = memory_order_seq_cst) const; [ 0:08] 25 // operator T() const volatile; [ 0:08] 26 // operator T() const; [ 0:08] 27 // T exchange(T desr, memory_order m = memory_order_seq_cst) volatile; [ 0:08] 28 // T exchange(T desr, memory_order m = memory_order_seq_cst); [ 0:08] 29 // bool compare_exchange_weak(T& expc, T desr, [ 0:08] 30 // memory_order s, memory_order f) volatile; [ 0:08] 31 // bool compare_exchange_weak(T& expc, T desr, memory_order s, memory_order f); [ 0:08] 32 // bool compare_exchange_strong(T& expc, T desr, [ 0:08] 33 // memory_order s, memory_order f) volatile; [ 0:08] 34 // bool compare_exchange_strong(T& expc, T desr, [ 0:08] 35 // memory_order s, memory_order f); [ 0:08] 36 // bool compare_exchange_weak(T& expc, T desr, [ 0:08] 37 // memory_order m = memory_order_seq_cst) volatile; [ 0:08] 38 // bool compare_exchange_weak(T& expc, T desr, [ 0:08] 39 // memory_order m = memory_order_seq_cst); [ 0:08] 40 // bool compare_exchange_strong(T& expc, T desr, [ 0:08] 41 // memory_order m = memory_order_seq_cst) volatile; [ 0:08] 42 // bool compare_exchange_strong(T& expc, T desr, [ 0:08] 43 // memory_order m = memory_order_seq_cst); [ 0:08] 44 // [ 0:08] 45 // atomic() = default; [ 0:08] 46 // constexpr atomic(T desr); [ 0:08] 47 // atomic(const atomic&) = delete; [ 0:08] 48 // atomic& operator=(const atomic&) = delete; [ 0:08] 49 // atomic& operator=(const atomic&) volatile = delete; [ 0:08] 50 // T operator=(T) volatile; [ 0:08] 51 // T operator=(T); [ 0:08] 52 // }; [ 0:08] 53 // [ 0:08] 54 // typedef atomic atomic_bool; [ 0:08] 55 [ 0:08] 56 #include [ 0:08] 57 #include [ 0:08] 58 #include [ 0:08] 59 [ 0:08] 60 #include "cmpxchg_loop.h" [ 0:08] 61 [ 0:08] 62 #include "test_macros.h" [ 0:08] 63 [ 0:08] 64 int main(int, char**) [ 0:08] 65 { [ 0:08] 66 { [ 0:08] 67 volatile std::atomic obj(true); [ 0:08] 68 assert(obj == true); [ 0:08] 69 std::atomic_init(&obj, false); [ 0:08] 70 assert(obj == false); [ 0:08] 71 std::atomic_init(&obj, true); [ 0:08] 72 assert(obj == true); [ 0:08] 73 bool b0 = obj.is_lock_free(); [ 0:08] 74 (void)b0; // to placate scan-build [ 0:08] 75 obj.store(false); [ 0:08] 76 assert(obj == false); [ 0:08] 77 obj.store(true, std::memory_order_release); [ 0:08] 78 assert(obj == true); [ 0:08] 79 assert(obj.load() == true); [ 0:08] 80 assert(obj.load(std::memory_order_acquire) == true); [ 0:08] 81 assert(obj.exchange(false) == true); [ 0:08] 82 assert(obj == false); [ 0:08] 83 assert(obj.exchange(true, std::memory_order_relaxed) == false); [ 0:08] 84 assert(obj == true); [ 0:08] 85 bool x = obj; [ 0:08] 86 assert(cmpxchg_weak_loop(obj, x, false) == true); [ 0:08] 87 assert(obj == false); [ 0:08] 88 assert(x == true); [ 0:08] 89 assert(obj.compare_exchange_weak(x, true, [ 0:08] 90 std::memory_order_seq_cst) == false); [ 0:08] 91 assert(obj == false); [ 0:08] 92 assert(x == false); [ 0:08] 93 obj.store(true); [ 0:08] 94 x = true; [ 0:08] 95 assert(cmpxchg_weak_loop(obj, x, false, [ 0:08] 96 std::memory_order_seq_cst, [ 0:08] 97 std::memory_order_seq_cst) == true); [ 0:08] 98 assert(obj == false); [ 0:08] 99 assert(x == true); [ 0:08] 100 x = true; [ 0:08] 101 obj.store(true); [ 0:08] 102 assert(obj.compare_exchange_strong(x, false) == true); [ 0:08] 103 assert(obj == false); [ 0:08] 104 assert(x == true); [ 0:08] 105 assert(obj.compare_exchange_strong(x, true, [ 0:08] 106 std::memory_order_seq_cst) == false); [ 0:08] 107 assert(obj == false); [ 0:08] 108 assert(x == false); [ 0:08] 109 x = true; [ 0:08] 110 obj.store(true); [ 0:08] 111 assert(obj.compare_exchange_strong(x, false, [ 0:08] 112 std::memory_order_seq_cst, [ 0:08] 113 std::memory_order_seq_cst) == true); [ 0:08] 114 assert(obj == false); [ 0:08] 115 assert(x == true); [ 0:08] 116 assert((obj = false) == false); [ 0:08] 117 assert(obj == false); [ 0:08] 118 assert((obj = true) == true); [ 0:08] 119 assert(obj == true); [ 0:08] 120 } [ 0:08] 121 { [ 0:08] 122 std::atomic obj(true); [ 0:08] 123 assert(obj == true); [ 0:08] 124 std::atomic_init(&obj, false); [ 0:08] 125 assert(obj == false); [ 0:08] 126 std::atomic_init(&obj, true); [ 0:08] 127 assert(obj == true); [ 0:08] 128 bool b0 = obj.is_lock_free(); [ 0:08] 129 (void)b0; // to placate scan-build [ 0:08] 130 obj.store(false); [ 0:08] 131 assert(obj == false); [ 0:08] 132 obj.store(true, std::memory_order_release); [ 0:08] 133 assert(obj == true); [ 0:08] 134 assert(obj.load() == true); [ 0:08] 135 assert(obj.load(std::memory_order_acquire) == true); [ 0:08] 136 assert(obj.exchange(false) == true); [ 0:08] 137 assert(obj == false); [ 0:08] 138 assert(obj.exchange(true, std::memory_order_relaxed) == false); [ 0:08] 139 assert(obj == true); [ 0:08] 140 bool x = obj; [ 0:08] 141 assert(cmpxchg_weak_loop(obj, x, false) == true); [ 0:08] 142 assert(obj == false); [ 0:08] 143 assert(x == true); [ 0:08] 144 assert(obj.compare_exchange_weak(x, true, [ 0:08] 145 std::memory_order_seq_cst) == false); [ 0:08] 146 assert(obj == false); [ 0:08] 147 assert(x == false); [ 0:08] 148 obj.store(true); [ 0:08] 149 x = true; [ 0:08] 150 assert(cmpxchg_weak_loop(obj, x, false, [ 0:08] 151 std::memory_order_seq_cst, [ 0:08] 152 std::memory_order_seq_cst) == true); [ 0:08] 153 assert(obj == false); [ 0:08] 154 assert(x == true); [ 0:08] 155 x = true; [ 0:08] 156 obj.store(true); [ 0:08] 157 assert(obj.compare_exchange_strong(x, false) == true); [ 0:08] 158 assert(obj == false); [ 0:08] 159 assert(x == true); [ 0:08] 160 assert(obj.compare_exchange_strong(x, true, [ 0:08] 161 std::memory_order_seq_cst) == false); [ 0:08] 162 assert(obj == false); [ 0:08] 163 assert(x == false); [ 0:08] 164 x = true; [ 0:08] 165 obj.store(true); [ 0:08] 166 assert(obj.compare_exchange_strong(x, false, [ 0:08] 167 std::memory_order_seq_cst, [ 0:08] 168 std::memory_order_seq_cst) == true); [ 0:08] 169 assert(obj == false); [ 0:08] 170 assert(x == true); [ 0:08] 171 assert((obj = false) == false); [ 0:08] 172 assert(obj == false); [ 0:08] 173 assert((obj = true) == true); [ 0:08] 174 assert(obj == true); [ 0:08] 175 } [ 0:08] 176 { [ 0:08] 177 std::atomic_bool obj(true); [ 0:08] 178 assert(obj == true); [ 0:08] 179 std::atomic_init(&obj, false); [ 0:08] 180 assert(obj == false); [ 0:08] 181 std::atomic_init(&obj, true); [ 0:08] 182 assert(obj == true); [ 0:08] 183 bool b0 = obj.is_lock_free(); [ 0:08] 184 (void)b0; // to placate scan-build [ 0:08] 185 obj.store(false); [ 0:08] 186 assert(obj == false); [ 0:08] 187 obj.store(true, std::memory_order_release); [ 0:08] 188 assert(obj == true); [ 0:08] 189 assert(obj.load() == true); [ 0:08] 190 assert(obj.load(std::memory_order_acquire) == true); [ 0:08] 191 assert(obj.exchange(false) == true); [ 0:08] 192 assert(obj == false); [ 0:08] 193 assert(obj.exchange(true, std::memory_order_relaxed) == false); [ 0:08] 194 assert(obj == true); [ 0:08] 195 bool x = obj; [ 0:08] 196 assert(cmpxchg_weak_loop(obj, x, false) == true); [ 0:08] 197 assert(obj == false); [ 0:08] 198 assert(x == true); [ 0:08] 199 assert(obj.compare_exchange_weak(x, true, [ 0:08] 200 std::memory_order_seq_cst) == false); [ 0:08] 201 assert(obj == false); [ 0:08] 202 assert(x == false); [ 0:08] 203 obj.store(true); [ 0:08] 204 x = true; [ 0:08] 205 assert(cmpxchg_weak_loop(obj, x, false, [ 0:08] 206 std::memory_order_seq_cst, [ 0:08] 207 std::memory_order_seq_cst) == true); [ 0:08] 208 assert(obj == false); [ 0:08] 209 assert(x == true); [ 0:08] 210 x = true; [ 0:08] 211 obj.store(true); [ 0:08] 212 assert(obj.compare_exchange_strong(x, false) == true); [ 0:08] 213 assert(obj == false); [ 0:08] 214 assert(x == true); [ 0:08] 215 assert(obj.compare_exchange_strong(x, true, [ 0:08] 216 std::memory_order_seq_cst) == false); [ 0:08] 217 assert(obj == false); [ 0:08] 218 assert(x == false); [ 0:08] 219 x = true; [ 0:08] 220 obj.store(true); [ 0:08] 221 assert(obj.compare_exchange_strong(x, false, [ 0:08] 222 std::memory_order_seq_cst, [ 0:08] 223 std::memory_order_seq_cst) == true); [ 0:08] 224 assert(obj == false); [ 0:08] 225 assert(x == true); [ 0:08] 226 assert((obj = false) == false); [ 0:08] 227 assert(obj == false); [ 0:08] 228 assert((obj = true) == true); [ 0:08] 229 assert(obj == true); [ 0:08] 230 } [ 0:08] 231 { [ 0:08] 232 typedef std::atomic A; [ 0:08] 233 TEST_ALIGNAS_TYPE(A) char storage[sizeof(A)] = {1}; [ 0:08] 234 A& zero = *new (storage) A(); [ 0:08] 235 assert(zero == false); [ 0:08] 236 zero.~A(); [ 0:08] 237 } [ 0:08] 238 [ 0:08] 239 return 0; [ 0:08] 240 } [ 0:08] # no errors were expected but one was found anyway