[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/algorithms/next_permutation_comp.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/algorithms/next_permutation_comp.pass.cpp:20: [ 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 = [ 0:02] setting up pass: fuse-ctors, options = [ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.4/_klee_out" [ 0:04] KLEE: Using Z3 solver backend [ 0:04] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:04] 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 [ 0:08] KLEE: WARNING: undefined reference to function: klee_free [ 0:08] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:08] i:1 [ 0:08] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:08] about to __boot:0 [ 0:08] about to run the scheduler:0 [ 0:08] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:08] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:08] KLEE: NOTE: now ignoring this error at this location [ 0:08] 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: 36438 [ 0:08] Stack: [ 0:08] #000036438 in __dios_start (l=2, argc=1, argv=93889369215496, envp=93889369292808) at /dios/libc/sys/start.cpp:87 [ 0:08] #100012447 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:08] #200044686 in klee_boot (argc=2, argv=93889343059968) 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 // [ 0:08] 13 [ 0:08] 14 // template Compare> [ 0:08] 15 // requires ShuffleIterator [ 0:08] 16 // && CopyConstructible [ 0:08] 17 // bool [ 0:08] 18 // next_permutation(Iter first, Iter last, Compare comp); [ 0:08] 19 [ 0:08] 20 #include [ 0:08] 21 #include [ 0:08] 22 #include [ 0:08] 23 [ 0:08] 24 #include "test_macros.h" [ 0:08] 25 #include "test_iterators.h" [ 0:08] 26 [ 0:08] 27 #include [ 0:08] 28 [ 0:08] 29 int factorial(int x) [ 0:08] 30 { [ 0:08] 31 int r = 1; [ 0:08] 32 for (; x; --x) [ 0:08] 33 r *= x; [ 0:08] 34 return r; [ 0:08] 35 } [ 0:08] 36 [ 0:08] 37 template [ 0:08] 38 void [ 0:08] 39 test() [ 0:08] 40 { [ 0:08] 41 typedef std::greater C; [ 0:08] 42 int ia[] = {6, 5, 4, 3, 2, 1}; [ 0:08] 43 const int sa = sizeof(ia)/sizeof(ia[0]); [ 0:08] 44 int prev[sa]; [ 0:08] 45 for (int e = 0; e <= sa; ++e) [ 0:08] 46 { [ 0:08] 47 int count = 0; [ 0:08] 48 bool x; [ 0:08] 49 do [ 0:08] 50 { [ 0:08] 51 std::copy(ia, ia+e, prev); [ 0:08] 52 x = std::next_permutation(Iter(ia), Iter(ia+e), C()); [ 0:08] 53 if (e > 1) [ 0:08] 54 { [ 0:08] 55 if (x) [ 0:08] 56 assert(std::lexicographical_compare(prev, prev+e, ia, ia+e, C())); [ 0:08] 57 else [ 0:08] 58 assert(std::lexicographical_compare(ia, ia+e, prev, prev+e, C())); [ 0:08] 59 } [ 0:08] 60 ++count; [ 0:08] 61 } while (x); [ 0:08] 62 assert(count == factorial(e)); [ 0:08] 63 } [ 0:08] 64 } [ 0:08] 65 [ 0:08] 66 int main(int, char**) [ 0:08] 67 { [ 0:08] 68 test >(); [ 0:08] 69 test >(); [ 0:08] 70 test(); [ 0:08] 71 [ 0:08] 72 return 0; [ 0:08] 73 } [ 0:08] # no errors were expected but one was found anyway