[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/containers/ptr_len.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/containers/ptr_len.pass.cpp:21: [ 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.2/_klee_out" [ 0:06] KLEE: Using Z3 solver backend [ 0:06] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:06] 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 [ 0:11] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:11] KLEE: WARNING: undefined reference to function: klee_free [ 0:11] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:11] KLEE: WARNING ONCE: Using zero size array fix for landingpad instruction filter [ 0:12] i:1 [ 0:12] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:12] about to __boot:0 [ 0:12] about to run the scheduler:0 [ 0:12] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:12] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:12] KLEE: NOTE: now ignoring this error at this location [ 0:12] KLEE: ERROR: EXITING ON ERROR: [ 0:12] Error: failed external call: __dios_tainted_init [ 0:12] File: /dios/libc/sys/start.cpp [ 0:12] Line: 87 [ 0:12] assembly.ll line: 67073 [ 0:12] Stack: [ 0:12] #000067073 in __dios_start (l=2, argc=1, argv=94734753673736, envp=94734753742856) at /dios/libc/sys/start.cpp:87 [ 0:12] #100015075 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:12] #200075653 in klee_boot (argc=2, argv=94734711651840) at /dios/arch/klee/boot.c:41 [ 0:12] [ 0:12] [ 0:12] 1 /* TAGS: c++ fin */ [ 0:12] 2 /* CC_OPTS: -std=c++2a */ [ 0:12] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:12] 4 // -*- C++ -*- [ 0:12] 5 //===------------------------------ span ---------------------------------===// [ 0:12] 6 // [ 0:12] 7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:12] 8 // See https://llvm.org/LICENSE.txt for license information. [ 0:12] 9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:12] 10 // [ 0:12] 11 //===---------------------------------------------------------------------===// [ 0:12] 12 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 [ 0:12] 13 [ 0:12] 14 // [ 0:12] 15 [ 0:12] 16 // constexpr span(pointer ptr, index_type count); [ 0:12] 17 // Requires: [ptr, ptr + count) shall be a valid range. [ 0:12] 18 // If extent is not equal to dynamic_extent, then count shall be equal to extent. [ 0:12] 19 // [ 0:12] 20 [ 0:12] 21 #include [ 0:12] 22 #include [ 0:12] 23 #include [ 0:12] 24 [ 0:12] 25 #include "test_macros.h" [ 0:12] 26 [ 0:12] 27 void checkCV() [ 0:12] 28 { [ 0:12] 29 int arr[] = {1,2,3}; [ 0:12] 30 const int carr[] = {4,5,6}; [ 0:12] 31 volatile int varr[] = {7,8,9}; [ 0:12] 32 const volatile int cvarr[] = {1,3,5}; [ 0:12] 33 [ 0:12] 34 // Types the same (dynamic sized) [ 0:12] 35 { [ 0:12] 36 std::span< int> s1{ arr, 3}; // a span< int> pointing at int. [ 0:12] 37 std::span s2{ carr, 3}; // a span pointing at const int. [ 0:12] 38 std::span< volatile int> s3{ varr, 3}; // a span< volatile int> pointing at volatile int. [ 0:12] 39 std::span s4{cvarr, 3}; // a span pointing at const volatile int. [ 0:12] 40 assert(s1.size() + s2.size() + s3.size() + s4.size() == 12); [ 0:12] 41 } [ 0:12] 42 [ 0:12] 43 // Types the same (static sized) [ 0:12] 44 { [ 0:12] 45 std::span< int,3> s1{ arr, 3}; // a span< int> pointing at int. [ 0:12] 46 std::span s2{ carr, 3}; // a span pointing at const int. [ 0:12] 47 std::span< volatile int,3> s3{ varr, 3}; // a span< volatile int> pointing at volatile int. [ 0:12] 48 std::span s4{cvarr, 3}; // a span pointing at const volatile int. [ 0:12] 49 assert(s1.size() + s2.size() + s3.size() + s4.size() == 12); [ 0:12] 50 } [ 0:12] 51 [ 0:12] 52 [ 0:12] 53 // types different (dynamic sized) [ 0:12] 54 { [ 0:12] 55 std::span s1{ arr, 3}; // a span pointing at int. [ 0:12] 56 std::span< volatile int> s2{ arr, 3}; // a span< volatile int> pointing at int. [ 0:12] 57 std::span< volatile int> s3{ arr, 3}; // a span< volatile int> pointing at const int. [ 0:12] 58 std::span s4{ arr, 3}; // a span pointing at int. [ 0:12] 59 std::span s5{carr, 3}; // a span pointing at const int. [ 0:12] 60 std::span s6{varr, 3}; // a span pointing at volatile int. [ 0:12] 61 assert(s1.size() + s2.size() + s3.size() + s4.size() + s5.size() + s6.size() == 18); [ 0:12] 62 } [ 0:12] 63 [ 0:12] 64 // types different (static sized) [ 0:12] 65 { [ 0:12] 66 std::span s1{ arr, 3}; // a span pointing at int. [ 0:12] 67 std::span< volatile int,3> s2{ arr, 3}; // a span< volatile int> pointing at int. [ 0:12] 68 std::span< volatile int,3> s3{ arr, 3}; // a span< volatile int> pointing at const int. [ 0:12] 69 std::span s4{ arr, 3}; // a span pointing at int. [ 0:12] 70 std::span s5{carr, 3}; // a span pointing at const int. [ 0:12] 71 std::span s6{varr, 3}; // a span pointing at volatile int. [ 0:12] 72 assert(s1.size() + s2.size() + s3.size() + s4.size() + s5.size() + s6.size() == 18); [ 0:12] 73 } [ 0:12] 74 } [ 0:12] 75 [ 0:12] 76 [ 0:12] 77 template [ 0:12] 78 constexpr bool testConstexprSpan() [ 0:12] 79 { [ 0:12] 80 constexpr T val[2] = {}; [ 0:12] 81 std::span s1{val, 2}; [ 0:12] 82 std::span s2{val, 2}; [ 0:12] 83 return [ 0:12] 84 s1.data() == &val[0] && s1.size() == 2 [ 0:12] 85 && s2.data() == &val[0] && s2.size() == 2; [ 0:12] 86 } [ 0:12] 87 [ 0:12] 88 [ 0:12] 89 template [ 0:12] 90 void testRuntimeSpan() [ 0:12] 91 { [ 0:12] 92 T val[2] = {}; [ 0:12] 93 std::span s1{val, 2}; [ 0:12] 94 std::span s2{val, 2}; [ 0:12] 95 assert(s1.data() == &val[0] && s1.size() == 2); [ 0:12] 96 assert(s2.data() == &val[0] && s2.size() == 2); [ 0:12] 97 } [ 0:12] 98 [ 0:12] 99 struct A{}; [ 0:12] 100 [ 0:12] 101 int main(int, char**) [ 0:12] 102 { [ 0:12] 103 static_assert(testConstexprSpan(), ""); [ 0:12] 104 static_assert(testConstexprSpan(), ""); [ 0:12] 105 static_assert(testConstexprSpan(), ""); [ 0:12] 106 static_assert(testConstexprSpan(), ""); [ 0:12] 107 [ 0:12] 108 testRuntimeSpan(); [ 0:12] 109 testRuntimeSpan(); [ 0:12] 110 testRuntimeSpan(); [ 0:12] 111 testRuntimeSpan(); [ 0:12] 112 testRuntimeSpan (); [ 0:12] 113 [ 0:12] 114 checkCV(); [ 0:12] 115 [ 0:12] 116 return 0; [ 0:12] 117 } [ 0:12] # no errors were expected but one was found anyway