goerz@mlhpc2:~> ./a.out
obs = {
  sparsity_model = ''
  subspace       = ''
}
obs = {
  sparsity_model = ''
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source
a.out              0000000000403204  Unknown               Unknown  Unknown
libpthread-2.23.s  00007F8DFE48E390  Unknown               Unknown  Unknown
a.out              0000000000488C3B  Unknown               Unknown  Unknown
a.out              000000000042D971  Unknown               Unknown  Unknown
a.out              000000000040D4F5  Unknown               Unknown  Unknown
a.out              0000000000402F27  test_IP_debug_op_          26  test.f90
a.out              0000000000402A1E  MAIN__                     18  test.f90
a.out              000000000040292E  Unknown               Unknown  Unknown
libc-2.23.so       00007F8DFDECF830  __libc_start_main     Unknown  Unknown
a.out              0000000000402829  Unknown               Unknown  Unknown
*** Error in `./a.out': munmap_chunk(): invalid pointer: 0x00000000019ae010 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f8dfdf267e5]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x1a8)[0x7f8dfdf33698]
./a.out[0x409220]
./a.out[0x42971a]
./a.out[0x425dd4]
./a.out[0x403204]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7f8dfe48e390]
./a.out[0x488c3b]
./a.out[0x42d971]
./a.out[0x40d4f5]
./a.out[0x402f27]
./a.out[0x402a1e]
./a.out[0x40292e]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f8dfdecf830]
./a.out[0x402829]
======= Memory map: ========
00400000-004af000 r-xp 00000000 08:07 7210512                            /home/goerz/a.out
006af000-006b3000 rw-p 000af000 08:07 7210512                            /home/goerz/a.out
006b3000-006fb000 rw-p 00000000 00:00 0
019ae000-019cf000 rw-p 00000000 00:00 0                                  [heap]
7f8dfdc99000-7f8dfdcaf000 r-xp 00000000 08:06 524585                     /lib/x86_64-linux-gnu/libgcc_s.so.1
7f8dfdcaf000-7f8dfdeae000 ---p 00016000 08:06 524585                     /lib/x86_64-linux-gnu/libgcc_s.so.1
7f8dfdeae000-7f8dfdeaf000 rw-p 00015000 08:06 524585                     /lib/x86_64-linux-gnu/libgcc_s.so.1
7f8dfdeaf000-7f8dfe06f000 r-xp 00000000 08:06 529007                     /lib/x86_64-linux-gnu/libc-2.23.so
7f8dfe06f000-7f8dfe26f000 ---p 001c0000 08:06 529007                     /lib/x86_64-linux-gnu/libc-2.23.so
7f8dfe26f000-7f8dfe273000 r--p 001c0000 08:06 529007                     /lib/x86_64-linux-gnu/libc-2.23.so
7f8dfe273000-7f8dfe275000 rw-p 001c4000 08:06 529007                     /lib/x86_64-linux-gnu/libc-2.23.so
7f8dfe275000-7f8dfe279000 rw-p 00000000 00:00 0
7f8dfe279000-7f8dfe27c000 r-xp 00000000 08:06 528473                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f8dfe27c000-7f8dfe47b000 ---p 00003000 08:06 528473                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f8dfe47b000-7f8dfe47c000 r--p 00002000 08:06 528473                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f8dfe47c000-7f8dfe47d000 rw-p 00003000 08:06 528473                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f8dfe47d000-7f8dfe495000 r-xp 00000000 08:06 525798                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f8dfe495000-7f8dfe694000 ---p 00018000 08:06 525798                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f8dfe694000-7f8dfe695000 r--p 00017000 08:06 525798                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f8dfe695000-7f8dfe696000 rw-p 00018000 08:06 525798                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f8dfe696000-7f8dfe69a000 rw-p 00000000 00:00 0
7f8dfe69a000-7f8dfe7a2000 r-xp 00000000 08:06 528636                     /lib/x86_64-linux-gnu/libm-2.23.so
7f8dfe7a2000-7f8dfe9a1000 ---p 00108000 08:06 528636                     /lib/x86_64-linux-gnu/libm-2.23.so
7f8dfe9a1000-7f8dfe9a2000 r--p 00107000 08:06 528636                     /lib/x86_64-linux-gnu/libm-2.23.so
7f8dfe9a2000-7f8dfe9a3000 rw-p 00108000 08:06 528636                     /lib/x86_64-linux-gnu/libm-2.23.so
7f8dfe9a3000-7f8dfe9c9000 r-xp 00000000 08:06 524440                     /lib/x86_64-linux-gnu/ld-2.23.so
7f8dfeba3000-7f8dfeba8000 rw-p 00000000 00:00 0
7f8dfebba000-7f8dfebbb000 rw-p 00000000 00:00 0
7f8dfebbb000-7f8dfebbd000 r--p 00000000 08:12 109316065                  /data/opt/intel/compilers_and_libraries_2017.4.196/linux/compiler/lib/intel64_lin/locale/en_US/irc_msg.cat
7f8dfebbd000-7f8dfebc6000 r--p 00000000 08:12 109326768                  /data/opt/intel/compilers_and_libraries_2017.4.196/linux/compiler/lib/intel64_lin/locale/en_US/ifcore_msg.cat
7f8dfebc6000-7f8dfebc8000 rw-p 00000000 00:00 0
7f8dfebc8000-7f8dfebc9000 r--p 00025000 08:06 524440                     /lib/x86_64-linux-gnu/ld-2.23.so
7f8dfebc9000-7f8dfebca000 rw-p 00026000 08:06 524440                     /lib/x86_64-linux-gnu/ld-2.23.so
7f8dfebca000-7f8dfebcb000 rw-p 00000000 00:00 0
7fff90315000-7fff90337000 rw-p 00000000 00:00 0                          [stack]
7fff903ab000-7fff903ad000 r--p 00000000 00:00 0                          [vvar]
7fff903ad000-7fff903af000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
Aborted (core dumped)