[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/containers/front.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/containers/front.pass.cpp:22: [ 0:00] In file included from /dios/libcxx/include/span:132: [ 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 = [ 0:03] setting up pass: fuse-ctors, options = [ 0:03] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.20/_klee_out" [ 0:07] KLEE: Using Z3 solver backend [ 0:07] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:07] 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' [ 0:07] [ 0:07] KLEE: WARNING: undefined reference to function: _Z10klee_abortv [ 0:13] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:13] KLEE: WARNING: undefined reference to function: klee_free [ 0:13] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:13] KLEE: WARNING ONCE: Using zero size array fix for landingpad instruction filter [ 0:13] i:1 [ 0:13] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:13] about to __boot:0 [ 0:13] about to run the scheduler:0 [ 0:13] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:13] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:13] KLEE: NOTE: now ignoring this error at this location [ 0:13] KLEE: ERROR: EXITING ON ERROR: [ 0:13] Error: failed external call: __dios_tainted_init [ 0:13] File: /dios/libc/sys/start.cpp [ 0:13] Line: 87 [ 0:13] assembly.ll line: 66492 [ 0:13] Stack: [ 0:13] #000066492 in __dios_start (l=2, argc=1, argv=94729498939912, envp=94729499017224) at /dios/libc/sys/start.cpp:87 [ 0:13] #100014494 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:13] #200075072 in klee_boot (argc=2, argv=94729457147392) at /dios/arch/klee/boot.c:41 [ 0:13] [ 0:13] [ 0:13] 1 /* TAGS: c++ fin */ [ 0:13] 2 /* CC_OPTS: -std=c++2a */ [ 0:13] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:13] 4 // -*- C++ -*- [ 0:13] 5 //===------------------------------ span ---------------------------------===// [ 0:13] 6 // [ 0:13] 7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:13] 8 // See https://llvm.org/LICENSE.txt for license information. [ 0:13] 9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:13] 10 // [ 0:13] 11 //===---------------------------------------------------------------------===// [ 0:13] 12 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 [ 0:13] 13 [ 0:13] 14 // [ 0:13] 15 [ 0:13] 16 // constexpr reference front() const noexcept; [ 0:13] 17 // Expects: empty() is false. [ 0:13] 18 // Effects: Equivalent to: return *data(); [ 0:13] 19 // [ 0:13] 20 [ 0:13] 21 [ 0:13] 22 #include [ 0:13] 23 #include [ 0:13] 24 #include [ 0:13] 25 [ 0:13] 26 #include "test_macros.h" [ 0:13] 27 [ 0:13] 28 [ 0:13] 29 template [ 0:13] 30 constexpr bool testConstexprSpan(Span sp) [ 0:13] 31 { [ 0:13] 32 LIBCPP_ASSERT(noexcept(sp.front())); [ 0:13] 33 return std::addressof(sp.front()) == sp.data(); [ 0:13] 34 } [ 0:13] 35 [ 0:13] 36 [ 0:13] 37 template [ 0:13] 38 void testRuntimeSpan(Span sp) [ 0:13] 39 { [ 0:13] 40 LIBCPP_ASSERT(noexcept(sp.front())); [ 0:13] 41 assert(std::addressof(sp.front()) == sp.data()); [ 0:13] 42 } [ 0:13] 43 [ 0:13] 44 [ 0:13] 45 struct A{}; [ 0:13] 46 constexpr int iArr1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; [ 0:13] 47 int iArr2[] = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; [ 0:13] 48 [ 0:13] 49 int main(int, char**) [ 0:13] 50 { [ 0:13] 51 static_assert(testConstexprSpan(std::span(iArr1, 1)), ""); [ 0:13] 52 static_assert(testConstexprSpan(std::span(iArr1, 2)), ""); [ 0:13] 53 static_assert(testConstexprSpan(std::span(iArr1, 3)), ""); [ 0:13] 54 static_assert(testConstexprSpan(std::span(iArr1, 4)), ""); [ 0:13] 55 [ 0:13] 56 static_assert(testConstexprSpan(std::span(iArr1, 1)), ""); [ 0:13] 57 static_assert(testConstexprSpan(std::span(iArr1, 2)), ""); [ 0:13] 58 static_assert(testConstexprSpan(std::span(iArr1, 3)), ""); [ 0:13] 59 static_assert(testConstexprSpan(std::span(iArr1, 4)), ""); [ 0:13] 60 [ 0:13] 61 [ 0:13] 62 testRuntimeSpan(std::span(iArr2, 1)); [ 0:13] 63 testRuntimeSpan(std::span(iArr2, 2)); [ 0:13] 64 testRuntimeSpan(std::span(iArr2, 3)); [ 0:13] 65 testRuntimeSpan(std::span(iArr2, 4)); [ 0:13] 66 [ 0:13] 67 [ 0:13] 68 testRuntimeSpan(std::span(iArr2, 1)); [ 0:13] 69 testRuntimeSpan(std::span(iArr2, 2)); [ 0:13] 70 testRuntimeSpan(std::span(iArr2, 3)); [ 0:13] 71 testRuntimeSpan(std::span(iArr2, 4)); [ 0:13] 72 [ 0:13] 73 std::string s; [ 0:13] 74 testRuntimeSpan(std::span (&s, 1)); [ 0:13] 75 testRuntimeSpan(std::span(&s, 1)); [ 0:13] 76 [ 0:13] 77 return 0; [ 0:13] 78 } [ 0:13] # no errors were expected but one was found anyway