[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/strings/resize_default_initialized.pass.cpp [ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/strings/resize_default_initialized.pass.cpp:16: [ 0:01] In file included from /dios/libcxx/include/string:504: [ 0:01] In file included from /dios/libcxx/include/string_view:175: [ 0:01] In file included from /dios/libcxx/include/__string:56: [ 0:01] In file included from /dios/libcxx/include/algorithm:639: [ 0:01] In file included from /dios/libcxx/include/initializer_list:46: [ 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.11/_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' [ 0:08] [ 0:08] 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: 69955 [ 0:13] Stack: [ 0:13] #000069955 in __dios_start (l=2, argc=1, argv=94395873849864, envp=94395873910792) at /dios/libc/sys/start.cpp:87 [ 0:13] #100017957 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:13] #200078535 in klee_boot (argc=2, argv=94395830550016) 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 //===----------------------------------------------------------------------===// [ 0:13] 5 // [ 0:13] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:13] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:13] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:13] 9 // [ 0:13] 10 //===----------------------------------------------------------------------===// [ 0:13] 11 [ 0:13] 12 // [ 0:13] 13 [ 0:13] 14 // __resize_default_init(size_type) [ 0:13] 15 [ 0:13] 16 #include [ 0:13] 17 #include [ 0:13] 18 [ 0:13] 19 #include "test_macros.h" [ 0:13] 20 [ 0:13] 21 void write_c_str(char *buf, int size) { [ 0:13] 22 for (int i=0; i < size; ++i) { [ 0:13] 23 buf[i] = 'a'; [ 0:13] 24 } [ 0:13] 25 buf[size] = '\0'; [ 0:13] 26 } [ 0:13] 27 [ 0:13] 28 void test_buffer_usage() [ 0:13] 29 { [ 0:13] 30 { [ 0:13] 31 unsigned buff_size = 125; [ 0:13] 32 unsigned used_size = buff_size - 16; [ 0:13] 33 std::string s; [ 0:13] 34 s.__resize_default_init(buff_size); [ 0:13] 35 write_c_str(&s[0], used_size); [ 0:13] 36 assert(s.size() == buff_size); [ 0:13] 37 assert(strlen(s.data()) == used_size); [ 0:13] 38 s.__resize_default_init(used_size); [ 0:13] 39 assert(s.size() == used_size); [ 0:13] 40 assert(s.data()[used_size] == '\0'); [ 0:13] 41 for (unsigned i=0; i < used_size; ++i) { [ 0:13] 42 assert(s[i] == 'a'); [ 0:13] 43 } [ 0:13] 44 } [ 0:13] 45 } [ 0:13] 46 [ 0:13] 47 void test_basic() { [ 0:13] 48 { [ 0:13] 49 std::string s; [ 0:13] 50 s.__resize_default_init(3); [ 0:13] 51 assert(s.size() == 3); [ 0:13] 52 assert(s.data()[3] == '\0'); [ 0:13] 53 for (int i=0; i < 3; ++i) [ 0:13] 54 s[i] = 'a' + i; [ 0:13] 55 s.__resize_default_init(1); [ 0:13] 56 assert(s[0] == 'a'); [ 0:13] 57 assert(s.data()[1] == '\0'); [ 0:13] 58 assert(s.size() == 1); [ 0:13] 59 } [ 0:13] 60 } [ 0:13] 61 [ 0:13] 62 int main(int, char**) { [ 0:13] 63 test_basic(); [ 0:13] 64 test_buffer_usage(); [ 0:13] 65 [ 0:13] 66 return 0; [ 0:13] 67 } [ 0:13] # no errors were expected but one was found anyway