[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/atomic/address.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/atomic/address.pass.cpp:73: [ 0:00] In file included from /dios/libcxx/include/atomic:550: [ 0:00] In file included from /dios/libcxx/include/cstddef:44: [ 0:00] In file included from /dios/include/stddef.h:10: [ 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 = [ 0:02] setting up pass: fuse-ctors, options = [ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.21/_klee_out" [ 0:04] KLEE: Using Z3 solver backend [ 0:04] 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 [ 0:07] 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: [ 0:08] Error: failed external call: __dios_tainted_init [ 0:08] File: /dios/libc/sys/start.cpp [ 0:08] Line: 87 [ 0:08] assembly.ll line: 40241 [ 0:08] Stack: [ 0:08] #000040241 in __dios_start (l=2, argc=1, argv=94710624178696, envp=94710624247816) at /dios/libc/sys/start.cpp:87 [ 0:08] #100016250 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:08] #200048489 in klee_boot (argc=2, argv=94710595287040) 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 // ... test case crashes clang. [ 0:08] 14 [ 0:08] 15 // [ 0:08] 16 [ 0:08] 17 // template [ 0:08] 18 // struct atomic [ 0:08] 19 // { [ 0:08] 20 // bool is_lock_free() const volatile; [ 0:08] 21 // bool is_lock_free() const; [ 0:08] 22 // void store(T* desr, memory_order m = memory_order_seq_cst) volatile; [ 0:08] 23 // void store(T* desr, memory_order m = memory_order_seq_cst); [ 0:08] 24 // T* load(memory_order m = memory_order_seq_cst) const volatile; [ 0:08] 25 // T* load(memory_order m = memory_order_seq_cst) const; [ 0:08] 26 // operator T*() const volatile; [ 0:08] 27 // operator T*() const; [ 0:08] 28 // T* exchange(T* desr, memory_order m = memory_order_seq_cst) volatile; [ 0:08] 29 // T* exchange(T* desr, memory_order m = memory_order_seq_cst); [ 0:08] 30 // bool compare_exchange_weak(T*& expc, T* desr, [ 0:08] 31 // memory_order s, memory_order f) volatile; [ 0:08] 32 // bool compare_exchange_weak(T*& expc, T* desr, [ 0:08] 33 // memory_order s, memory_order f); [ 0:08] 34 // bool compare_exchange_strong(T*& expc, T* desr, [ 0:08] 35 // memory_order s, memory_order f) volatile; [ 0:08] 36 // bool compare_exchange_strong(T*& expc, T* desr, [ 0:08] 37 // memory_order s, memory_order f); [ 0:08] 38 // bool compare_exchange_weak(T*& expc, T* desr, [ 0:08] 39 // memory_order m = memory_order_seq_cst) volatile; [ 0:08] 40 // bool compare_exchange_weak(T*& expc, T* desr, [ 0:08] 41 // memory_order m = memory_order_seq_cst); [ 0:08] 42 // bool compare_exchange_strong(T*& expc, T* desr, [ 0:08] 43 // memory_order m = memory_order_seq_cst) volatile; [ 0:08] 44 // bool compare_exchange_strong(T*& expc, T* desr, [ 0:08] 45 // memory_order m = memory_order_seq_cst); [ 0:08] 46 // T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile; [ 0:08] 47 // T* fetch_add(ptrdiff_t op, memory_order m = memory_order_seq_cst); [ 0:08] 48 // T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst) volatile; [ 0:08] 49 // T* fetch_sub(ptrdiff_t op, memory_order m = memory_order_seq_cst); [ 0:08] 50 // [ 0:08] 51 // atomic() = default; [ 0:08] 52 // constexpr atomic(T* desr); [ 0:08] 53 // atomic(const atomic&) = delete; [ 0:08] 54 // atomic& operator=(const atomic&) = delete; [ 0:08] 55 // atomic& operator=(const atomic&) volatile = delete; [ 0:08] 56 // [ 0:08] 57 // T* operator=(T*) volatile; [ 0:08] 58 // T* operator=(T*); [ 0:08] 59 // T* operator++(int) volatile; [ 0:08] 60 // T* operator++(int); [ 0:08] 61 // T* operator--(int) volatile; [ 0:08] 62 // T* operator--(int); [ 0:08] 63 // T* operator++() volatile; [ 0:08] 64 // T* operator++(); [ 0:08] 65 // T* operator--() volatile; [ 0:08] 66 // T* operator--(); [ 0:08] 67 // T* operator+=(ptrdiff_t op) volatile; [ 0:08] 68 // T* operator+=(ptrdiff_t op); [ 0:08] 69 // T* operator-=(ptrdiff_t op) volatile; [ 0:08] 70 // T* operator-=(ptrdiff_t op); [ 0:08] 71 // }; [ 0:08] 72 [ 0:08] 73 #include [ 0:08] 74 #include [ 0:08] 75 #include [ 0:08] 76 #include [ 0:08] 77 [ 0:08] 78 #include "cmpxchg_loop.h" [ 0:08] 79 [ 0:08] 80 #include "test_macros.h" [ 0:08] 81 [ 0:08] 82 template [ 0:08] 83 void [ 0:08] 84 do_test() [ 0:08] 85 { [ 0:08] 86 typedef typename std::remove_pointer::type X; [ 0:08] 87 A obj(T(0)); [ 0:08] 88 bool b0 = obj.is_lock_free(); [ 0:08] 89 ((void)b0); // mark as unused [ 0:08] 90 assert(obj == T(0)); [ 0:08] 91 std::atomic_init(&obj, T(1)); [ 0:08] 92 assert(obj == T(1)); [ 0:08] 93 std::atomic_init(&obj, T(2)); [ 0:08] 94 assert(obj == T(2)); [ 0:08] 95 obj.store(T(0)); [ 0:08] 96 assert(obj == T(0)); [ 0:08] 97 obj.store(T(1), std::memory_order_release); [ 0:08] 98 assert(obj == T(1)); [ 0:08] 99 assert(obj.load() == T(1)); [ 0:08] 100 assert(obj.load(std::memory_order_acquire) == T(1)); [ 0:08] 101 assert(obj.exchange(T(2)) == T(1)); [ 0:08] 102 assert(obj == T(2)); [ 0:08] 103 assert(obj.exchange(T(3), std::memory_order_relaxed) == T(2)); [ 0:08] 104 assert(obj == T(3)); [ 0:08] 105 T x = obj; [ 0:08] 106 assert(cmpxchg_weak_loop(obj, x, T(2)) == true); [ 0:08] 107 assert(obj == T(2)); [ 0:08] 108 assert(x == T(3)); [ 0:08] 109 assert(obj.compare_exchange_weak(x, T(1)) == false); [ 0:08] 110 assert(obj == T(2)); [ 0:08] 111 assert(x == T(2)); [ 0:08] 112 x = T(2); [ 0:08] 113 assert(obj.compare_exchange_strong(x, T(1)) == true); [ 0:08] 114 assert(obj == T(1)); [ 0:08] 115 assert(x == T(2)); [ 0:08] 116 assert(obj.compare_exchange_strong(x, T(0)) == false); [ 0:08] 117 assert(obj == T(1)); [ 0:08] 118 assert(x == T(1)); [ 0:08] 119 assert((obj = T(0)) == T(0)); [ 0:08] 120 assert(obj == T(0)); [ 0:08] 121 obj = T(2*sizeof(X)); [ 0:08] 122 assert((obj += std::ptrdiff_t(3)) == T(5*sizeof(X))); [ 0:08] 123 assert(obj == T(5*sizeof(X))); [ 0:08] 124 assert((obj -= std::ptrdiff_t(3)) == T(2*sizeof(X))); [ 0:08] 125 assert(obj == T(2*sizeof(X))); [ 0:08] 126 [ 0:08] 127 { [ 0:08] 128 TEST_ALIGNAS_TYPE(A) char storage[sizeof(A)] = {23}; [ 0:08] 129 A& zero = *new (storage) A(); [ 0:08] 130 assert(zero == T(0)); [ 0:08] 131 zero.~A(); [ 0:08] 132 } [ 0:08] 133 } [ 0:08] 134 [ 0:08] 135 template [ 0:08] 136 void test() [ 0:08] 137 { [ 0:08] 138 do_test(); [ 0:08] 139 do_test(); [ 0:08] 140 } [ 0:08] 141 [ 0:08] 142 int main(int, char**) [ 0:08] 143 { [ 0:08] 144 test, int*>(); [ 0:08] 145 [ 0:08] 146 return 0; [ 0:08] 147 } [ 0:08] # no errors were expected but one was found anyway