Language
C++
Compiler
gcc HEAD 9.0.0 20181110 (experimental)
Options
Warnings
Boost 1.68.0
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-head/include -std=gnu++2a tab size: 5 child->number: 2
tab size: 5 child->number: 3
tab size: 5 child->number: 4
tab size: 5 child->number: 5
*** Error in `./prog.exe': free(): invalid next size (fast): 0x0000000000d3b720 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f294a89b7e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7f294a8a437a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7f294a8a853c]
./prog.exe[0x4016e3]
./prog.exe[0x40126d]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f294a844830]
./prog.exe[0x4010b9]
======= Memory map: ========
00400000-00404000 r-xp 00000000 fd:03 11171708 /home/jail/prog.exe
00604000-00605000 rw-p 00004000 fd:03 11171708 /home/jail/prog.exe
00d28000-00d5a000 rw-p 00000000 00:00 0 [heap]
7f2944000000-7f2944021000 rw-p 00000000 00:00 0
7f2944021000-7f2948000000 ---p 00000000 00:00 0
7f2949fee000-7f2949ff1000 r-xp 00000000 fd:03 134242 /lib/x86_64-linux-gnu/libdl-2.23.so
7f2949ff1000-7f294a1f0000 ---p 00003000 fd:03 134242 /lib/x86_64-linux-gnu/libdl-2.23.so
7f294a1f0000-7f294a1f1000 r--p 00002000 fd:03 134242 /lib/x86_64-linux-gnu/libdl-2.23.so
7f294a1f1000-7f294a1f2000 rw-p 00003000 fd:03 134242 /lib/x86_64-linux-gnu/libdl-2.23.so
7f294a1f2000-7f294a201000 r-xp 00000000 fd:03 132308 /lib/x86_64-linux-gnu/libbz2.so.1.0.4
7f294a201000-7f294a400000 ---p 0000f000 fd:03 132308 /lib/x86_64-linux-gnu/libbz2.so.1.0.4
7f294a400000-7f294a401000 r--p 0000e000 fd:03 132308 /lib/x86_64-linux-gnu/libbz2.so.1.0.4
7f294a401000-7f294a402000 rw-p 0000f000 fd:03 132308 /lib/x86_64-linux-gnu/libbz2.so.1.0.4
7f294a402000-7f294a41b000 r-xp 00000000 fd:03 131208 /lib/x86_64-linux-gnu/libz.so.1.2.8
7f294a41b000-7f294a61a000 ---p 00019000 fd:03 131208 /lib/x86_64-linux-gnu/libz.so.1.2.8
7f294a61a000-7f294a61b000 r--p 00018000 fd:03 131208 /lib/x86_64-linux-gnu/libz.so.1.2.8
7f294a61b000-7f294a61c000 rw-p 00019000 fd:03 131208 /lib/x86_64-linux-gnu/libz.so.1.2.8
7f294a61c000-7f294a623000 r-xp 00000000 fd:03 137051 /lib/x86_64-linux-gnu/librt-2.23.so
7f294a623000-7f294a822000 ---p 00007000 fd:03 137051 /lib/x86_64-linux-gnu/librt-2.23.so
7f294a822000-7f294a823000 r--p 00006000 fd:03 137051 /lib/x86_64-linux-gnu/librt-2.23.so
7f294a823000-7f294a824000 rw-p 00007000 fd:03 137051 /lib/x86_64-linux-gnu/librt-2.23.so
7f294a824000-7f294a9e4000 r-xp 00000000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f294a9e4000-7f294abe4000 ---p 001c0000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f294abe4000-7f294abe8000 r--p 001c0000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f294abe8000-7f294abea000 rw-p 001c4000 fd:03 134240 /lib/x86_64-linux-gnu/libc-2.23.so
7f294abea000-7f294abee000 rw-p 00000000 00:00 0
7f294abee000-7f294ac04000 r-xp 00000000 fd:03 1870248 /opt/wandbox/gcc-head/lib64/libgcc_s.so.1
7f294ac04000-7f294ae04000 ---p 00016000 fd:03 1870248 /opt/wandbox/gcc-head/lib64/libgcc_s.so.1
7f294ae04000-7f294ae05000 rw-p 00016000 fd:03 1870248 /opt/wandbox/gcc-head/lib64/libgcc_s.so.1
7f294ae05000-7f294af0d000 r-xp 00000000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f294af0d000-7f294b10c000 ---p 00108000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f294b10c000-7f294b10d000 r--p 00107000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f294b10d000-7f294b10e000 rw-p 00108000 fd:03 134236 /lib/x86_64-linux-gnu/libm-2.23.so
7f294b10e000-7f294b28a000 r-xp 00000000 fd:03 1844271 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f294b28a000-7f294b48a000 ---p 0017c000 fd:03 1844271 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f294b48a000-7f294b494000 r--p 0017c000 fd:03 1844271 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f294b494000-7f294b496000 rw-p 00186000 fd:03 1844271 /opt/wandbox/gcc-head/lib64/libstdc++.so.6.0.26
7f294b496000-7f294b49a000 rw-p 00000000 00:00 0
7f294b49a000-7f294b4c3000 r-xp 00000000 fd:03 1591301 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_wserialization.so.1.68.0
7f294b4c3000-7f294b6c2000 ---p 00029000 fd:03 1591301 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_wserialization.so.1.68.0
7f294b6c2000-7f294b6c4000 rw-p 00028000 fd:03 1591301 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_wserialization.so.1.68.0
7f294b6c4000-7f294b821000 r-xp 00000000 fd:03 1591300 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_wave.so.1.68.0
7f294b821000-7f294ba21000 ---p 0015d000 fd:03 1591300 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_wave.so.1.68.0
7f294ba21000-7f294ba26000 rw-p 0015d000 fd:03 1591300 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_wave.so.1.68.0
7f294ba26000-7f294ba36000 r-xp 00000000 fd:03 1591299 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_type_erasure.so.1.68.0
7f294ba36000-7f294bc35000 ---p 00010000 fd:03 1591299 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_type_erasure.so.1.68.0
7f294bc35000-7f294bc36000 rw-p 0000f000 fd:03 1591299 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_type_erasure.so.1.68.0
7f294bc36000-7f294bc3b000 r-xp 00000000 fd:03 1591298 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_timer.so.1.68.0
7f294bc3b000-7f294be3a000 ---p 00005000 fd:03 1591298 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_timer.so.1.68.0
7f294be3a000-7f294be3b000 rw-p 00004000 fd:03 1591298 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_timer.so.1.68.0
7f294be3b000-7f294be63000 r-xp 00000000 fd:03 1591295 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_thread.so.1.68.0
7f294be63000-7f294c063000 ---p 00028000 fd:03 1591295 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_thread.so.1.68.0
7f294c063000-7f294c065000 rw-p 00028000 fd:03 1591295 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_thread.so.1.68.0
7f294c065000-7f294c069000 r-xp 00000000 fd:03 1591294 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_system.so.1.68.0
7f294c069000-7f294c268000 ---p 00004000 fd:03 1591294 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_system.so.1.68.0
7f294c268000-7f294c269000 rw-p 00003000 fd:03 1591294 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_system.so.1.68.0
7f294c269000-7f294c26a000 r-xp 00000000 fd:03 1591293 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_noop.so.1.68.0
7f294c26a000-7f294c469000 ---p 00001000 fd:03 1591293 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_noop.so.1.68.0
7f294c469000-7f294c46a000 rw-p 00000000 fd:03 1591293 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_noop.so.1.68.0
7f294c46a000-7f294c46d000 r-xp 00000000 fd:03 1591292 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_basic.so.1.68.0
7f294c46d000-7f294c66c000 ---p 00003000 fd:03 1591292 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_basic.so.1.68.0
7f294c66c000-7f294c66d000 rw-p 00002000 fd:03 1591292 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_basic.so.1.68.0
7f294c66d000-7f294c673000 r-xp 00000000 fd:03 1591291 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_addr2line.so.1.68.0
7f294c673000-7f294c872000 ---p 00006000 fd:03 1591291 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_addr2line.so.1.68.0
7f294c872000-7f294c873000 rw-p 00005000 fd:03 1591291 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_stacktrace_addr2line.so.1.68.0
7f294c873000-7f294c8af000 r-xp 00000000 fd:03 1591290 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_serialization.so.1.68.0
7f294c8af000-7f294caae000 ---p 0003c000 fd:03 1591290 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_serialization.so.1.68.0
7f294caae000-7f294cab1000 rw-p 0003b000 fd:03 1591290 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_serialization.so.1.68.0
7f294cab1000-7f294cb9f000 r-xp 00000000 fd:03 1591286 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_regex.so.1.68.0
7f294cb9f000-7f294cd9e000 ---p 000ee000 fd:03 1591286 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_regex.so.1.68.0
7f294cd9e000-7f294cda4000 rw-p 000ed000 fd:03 1591286 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_regex.so.1.68.0
7f294cda4000-7f294cdaa000 r-xp 00000000 fd:03 1591285 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_random.so.1.68.0
7f294cdaa000-7f294cfaa000 ---p 00006000 fd:03 1591285 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_random.so.1.68.0
7f294cfaa000-7f294cfab000 rw-p 00006000 fd:03 1591285 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_random.so.1.68.0
7f294cfab000-7f294d02b000 r-xp 00000000 fd:03 1591284 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_program_options.so.1.68.0
7f294d02b000-7f294d22b000 ---p 00080000 fd:03 1591284 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_program_options.so.1.68.0
7f294d22b000-7f294d22f000 rw-p 00080000 fd:03 1591284 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_program_options.so.1.68.0
7f294d22f000-7f294d275000 r-xp 00000000 fd:03 1591283 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1l.so.1.68.0
7f294d275000-7f294d474000 ---p 00046000 fd:03 1591283 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1l.so.1.68.0
7f294d474000-7f294d475000 rw-p 00045000 fd:03 1591283 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1l.so.1.68.0
7f294d475000-7f294d47a000 rw-p 00000000 00:00 0
7f294d47a000-7f294d4bc000 r-xp 00000000 fd:03 1591282 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1f.so.1.68.0
7f294d4bc000-7f294d6bc000 ---p 00042000 fd:03 1591282 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1f.so.1.68.0
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7f294d6bd000-7f294d6c0000 rw-p 00000000 00:00 0
7f294d6c0000-7f294d708000 r-xp 00000000 fd:03 1591281 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1.so.1.68.0
7f294d708000-7f294d908000 ---p 00048000 fd:03 1591281 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_tr1.so.1.68.0
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7f294d909000-7f294d90e000 rw-p 00000000 00:00 0
7f294d90e000-7f294d91e000 r-xp 00000000 fd:03 1591280 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99l.so.1.68.0
7f294d91e000-7f294db1d000 ---p 00010000 fd:03 1591280 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99l.so.1.68.0
7f294db1d000-7f294db1e000 rw-p 0000f000 fd:03 1591280 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99l.so.1.68.0
7f294db1e000-7f294db1f000 rw-p 00000000 00:00 0
7f294db1f000-7f294db2f000 r-xp 00000000 fd:03 1591279 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99f.so.1.68.0
7f294db2f000-7f294dd2f000 ---p 00010000 fd:03 1591279 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99f.so.1.68.0
7f294dd2f000-7f294dd30000 rw-p 00010000 fd:03 1591279 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99f.so.1.68.0
7f294dd30000-7f294dd42000 r-xp 00000000 fd:03 1591277 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99.so.1.68.0
7f294dd42000-7f294df42000 ---p 00012000 fd:03 1591277 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_math_c99.so.1.68.0
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7f294df43000-7f294df44000 rw-p 00000000 00:00 0
7f294df44000-7f294dfe4000 r-xp 00000000 fd:03 1591276 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_log_setup.so.1.68.0
7f294dfe4000-7f294e1e3000 ---p 000a0000 fd:03 1591276 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_log_setup.so.1.68.0
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7f294e2c5000-7f294e4c4000 ---p 000db000 fd:03 1591274 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_log.so.1.68.0
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7f294e4cc000-7f294e56f000 r-xp 00000000 fd:03 1591273 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_locale.so.1.68.0
7f294e56f000-7f294e76e000 ---p 000a3000 fd:03 1591273 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_locale.so.1.68.0
7f294e76e000-7f294e774000 rw-p 000a2000 fd:03 1591273 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_locale.so.1.68.0
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7f294e78d000-7f294e98c000 ---p 00019000 fd:03 1591272 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_iostreams.so.1.68.0
7f294e98c000-7f294e98e000 rw-p 00018000 fd:03 1591272 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_iostreams.so.1.68.0
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7f294ebfc000-7f294edfc000 ---p 0001a000 fd:03 1591270 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_filesystem.so.1.68.0
7f294edfc000-7f294edfd000 rw-p 0001a000 fd:03 1591270 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_filesystem.so.1.68.0
7f294edfd000-7f294ee10000 r-xp 00000000 fd:03 1591269 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_fiber.so.1.68.0
7f294ee10000-7f294f010000 ---p 00013000 fd:03 1591269 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_fiber.so.1.68.0
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7f294f221000-7f294f232000 r-xp 00000000 fd:03 1591265 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_coroutine.so.1.68.0
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7f294f433000-7f294f452000 r-xp 00000000 fd:03 1589617 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_contract.so.1.68.0
7f294f452000-7f294f652000 ---p 0001f000 fd:03 1589617 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_contract.so.1.68.0
7f294f652000-7f294f654000 rw-p 0001f000 fd:03 1589617 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_contract.so.1.68.0
7f294f654000-7f294f657000 r-xp 00000000 fd:03 1589485 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_context.so.1.68.0
7f294f657000-7f294f856000 ---p 00003000 fd:03 1589485 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_context.so.1.68.0
7f294f856000-7f294f857000 rw-p 00002000 fd:03 1589485 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_context.so.1.68.0
7f294f857000-7f294f86c000 r-xp 00000000 fd:03 1589482 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_container.so.1.68.0
7f294f86c000-7f294fa6c000 ---p 00015000 fd:03 1589482 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_container.so.1.68.0
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7f294fa6d000-7f294fa74000 r-xp 00000000 fd:03 1589481 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_chrono.so.1.68.0
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7f294fc74000-7f294fc75000 rw-p 00007000 fd:03 1589481 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_chrono.so.1.68.0
7f294fc75000-7f294fc76000 r-xp 00000000 fd:03 1589477 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_atomic.so.1.68.0
7f294fc76000-7f294fe76000 ---p 00001000 fd:03 1589477 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_atomic.so.1.68.0
7f294fe76000-7f294fe77000 rw-p 00001000 fd:03 1589477 /opt/wandbox/boost-1.68.0/gcc-head/lib/libboost_atomic.so.1.68.0
7f294fe77000-7f294fe8f000 r-xp 00000000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f294fe8f000-7f295008e000 ---p 00018000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f295008e000-7f295008f000 r--p 00017000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f295008f000-7f2950090000 rw-p 00018000 fd:03 134239 /lib/x86_64-linux-gnu/libpthread-2.23.so
7f2950090000-7f2950094000 rw-p 00000000 00:00 0
7f2950094000-7f29500ba000 r-xp 00000000 fd:03 134238 /lib/x86_64-linux-gnu/ld-2.23.so
7f295028e000-7f29502b3000 rw-p 00000000 00:00 0
7f29502b8000-7f29502b9000 rw-p 00000000 00:00 0
7f29502b9000-7f29502ba000 r--p 00025000 fd:03 134238 /lib/x86_64-linux-gnu/ld-2.23.so
7f29502ba000-7f29502bb000 rw-p 00026000 fd:03 134238 /lib/x86_64-linux-gnu/ld-2.23.so
7f29502bb000-7f29502bc000 rw-p 00000000 00:00 0
7ffd580f5000-7ffd58116000 rw-p 00000000 00:00 0 [stack]
7ffd581b2000-7ffd581b5000 r--p 00000000 00:00 0 [vvar]
7ffd581b5000-7ffd581b7000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Signal:
Aborted