[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/strings/string.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/strings/string.pass.cpp:16: [ 0:00] In file included from /dios/libcxx/include/string:504: [ 0:00] In file included from /dios/libcxx/include/string_view:175: [ 0:00] In file included from /dios/libcxx/include/__string:56: [ 0:00] In file included from /dios/libcxx/include/algorithm:639: [ 0:00] In file included from /dios/libcxx/include/initializer_list:46: [ 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.22/_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: [ 0:14] Error: failed external call: __dios_tainted_init [ 0:14] File: /dios/libc/sys/start.cpp [ 0:14] Line: 87 [ 0:14] assembly.ll line: 71649 [ 0:14] Stack: [ 0:14] #000071649 in __dios_start (l=2, argc=1, argv=94184567165448, envp=94184567242760) at /dios/libc/sys/start.cpp:87 [ 0:14] #100019651 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:14] #200080229 in klee_boot (argc=2, argv=94184523038208) at /dios/arch/klee/boot.c:41 [ 0:14] [ 0:14] [ 0:14] 1 /* TAGS: c++ fin */ [ 0:14] 2 /* CC_OPTS: -std=c++2a */ [ 0:14] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:14] 4 //===----------------------------------------------------------------------===// [ 0:14] 5 // [ 0:14] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:14] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:14] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:14] 9 // [ 0:14] 10 //===----------------------------------------------------------------------===// [ 0:14] 11 [ 0:14] 12 // [ 0:14] 13 [ 0:14] 14 // int compare(const basic_string& str) const [ 0:14] 15 [ 0:14] 16 #include [ 0:14] 17 #include [ 0:14] 18 [ 0:14] 19 #include "test_macros.h" [ 0:14] 20 #include "min_allocator.h" [ 0:14] 21 [ 0:14] 22 int sign(int x) [ 0:14] 23 { [ 0:14] 24 if (x == 0) [ 0:14] 25 return 0; [ 0:14] 26 if (x < 0) [ 0:14] 27 return -1; [ 0:14] 28 return 1; [ 0:14] 29 } [ 0:14] 30 [ 0:14] 31 template [ 0:14] 32 void [ 0:14] 33 test(const S& s, const S& str, int x) [ 0:14] 34 { [ 0:14] 35 assert(sign(s.compare(str)) == sign(x)); [ 0:14] 36 } [ 0:14] 37 [ 0:14] 38 int main(int, char**) [ 0:14] 39 { [ 0:14] 40 { [ 0:14] 41 typedef std::string S; [ 0:14] 42 test(S(""), S(""), 0); [ 0:14] 43 test(S(""), S("abcde"), -5); [ 0:14] 44 test(S(""), S("abcdefghij"), -10); [ 0:14] 45 test(S(""), S("abcdefghijklmnopqrst"), -20); [ 0:14] 46 test(S("abcde"), S(""), 5); [ 0:14] 47 test(S("abcde"), S("abcde"), 0); [ 0:14] 48 test(S("abcde"), S("abcdefghij"), -5); [ 0:14] 49 test(S("abcde"), S("abcdefghijklmnopqrst"), -15); [ 0:14] 50 test(S("abcdefghij"), S(""), 10); [ 0:14] 51 test(S("abcdefghij"), S("abcde"), 5); [ 0:14] 52 test(S("abcdefghij"), S("abcdefghij"), 0); [ 0:14] 53 test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10); [ 0:14] 54 test(S("abcdefghijklmnopqrst"), S(""), 20); [ 0:14] 55 test(S("abcdefghijklmnopqrst"), S("abcde"), 15); [ 0:14] 56 test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10); [ 0:14] 57 test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0); [ 0:14] 58 } [ 0:14] 59 #if TEST_STD_VER >= 11 [ 0:14] 60 { [ 0:14] 61 typedef std::basic_string, min_allocator> S; [ 0:14] 62 test(S(""), S(""), 0); [ 0:14] 63 test(S(""), S("abcde"), -5); [ 0:14] 64 test(S(""), S("abcdefghij"), -10); [ 0:14] 65 test(S(""), S("abcdefghijklmnopqrst"), -20); [ 0:14] 66 test(S("abcde"), S(""), 5); [ 0:14] 67 test(S("abcde"), S("abcde"), 0); [ 0:14] 68 test(S("abcde"), S("abcdefghij"), -5); [ 0:14] 69 test(S("abcde"), S("abcdefghijklmnopqrst"), -15); [ 0:14] 70 test(S("abcdefghij"), S(""), 10); [ 0:14] 71 test(S("abcdefghij"), S("abcde"), 5); [ 0:14] 72 test(S("abcdefghij"), S("abcdefghij"), 0); [ 0:14] 73 test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10); [ 0:14] 74 test(S("abcdefghijklmnopqrst"), S(""), 20); [ 0:14] 75 test(S("abcdefghijklmnopqrst"), S("abcde"), 15); [ 0:14] 76 test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10); [ 0:14] 77 test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0); [ 0:14] 78 } [ 0:14] 79 #endif [ 0:14] 80 [ 0:14] 81 #if TEST_STD_VER > 3 [ 0:14] 82 { // LWG 2946 [ 0:14] 83 std::string s = " !"; [ 0:14] 84 assert(s.compare({"abc", 1}) < 0); [ 0:14] 85 } [ 0:14] 86 #endif [ 0:14] 87 [ 0:14] 88 return 0; [ 0:14] 89 } [ 0:14] # no errors were expected but one was found anyway