GDB result of running test_cwrapper

bt

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(gdb) file test_cwrapper
Reading symbols from test_cwrapper...done.
(gdb) run
Starting program: /home/abinashmeher999/gsoc/symengine/symengine/tests/cwrapper/test_cwrapper 
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py", line 63, in <module>
    from libstdcxx.v6.printers import register_libstdcxx_printers
ImportError: No module named 'libstdcxx'
Symbol : x
Integer : 123
Basic : y*(456 + x)/z
Basic : -y*(456 + x)/z**2
Rational : 100/47
Is_a_Symbol 100/47: 0
Is_a_Rational 100/47: 1
Is_a_Integer 100/47: 0
integer_get_ui 123: 123
integer_get_si -123: -123
integer_get_mpz(e): 123
*array = 0x608da0
basic_get_args(x**(-123)) :
*** Error in `/home/abinashmeher999/gsoc/symengine/symengine/tests/cwrapper/test_cwrapper': free(): corrupted unsorted chunks: 0x0000000000608e40 ***

Program received signal SIGABRT, Aborted.
0x00007ffff7396cc9 in __GI_raise (sig=sig@entry=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007ffff7396cc9 in __GI_raise (sig=sig@entry=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff739a0d8 in __GI_abort () at abort.c:89
#2  0x00007ffff73d3394 in __libc_message (do_abort=do_abort@entry=1, 
    fmt=fmt@entry=0x7ffff74e1b28 "*** Error in `%s': %s: 0x%s ***\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff73df66e in malloc_printerr (ptr=<optimized out>, 
    str=0x7ffff74e1c78 "free(): corrupted unsorted chunks", action=1)
    at malloc.c:4996
#4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=1) at malloc.c:3840
#5  0x00007ffff73e177c in _int_realloc (av=0x7ffff771e760 <main_arena>, 
    oldp=0x608e10, oldsize=<optimized out>, nb=<optimized out>) at malloc.c:4366
#6  0x00007ffff73e2fc9 in __GI___libc_realloc (oldmem=0x608e20, bytes=5)
    at malloc.c:3029
#7  0x00007ffff772e2c4 in __gmp_default_reallocate ()
   from /usr/lib/x86_64-linux-gnu/libgmp.so.10
#8  0x00007ffff777dc2d in __gmp_asprintf_final ()
   from /usr/lib/x86_64-linux-gnu/libgmp.so.10
#9  0x00007ffff715e08b in __gmp_doprnt_integer_ostream(std::ostream&, doprnt_params_t*, char*) () from /usr/lib/x86_64-linux-gnu/libgmpxx.so.4
#10 0x00007ffff715e4fb in operator<<(std::ostream&, __mpz_struct const*) ()
   from /usr/lib/x86_64-linux-gnu/libgmpxx.so.4
#11 0x00007ffff7aae649 in operator<< <__mpz_struct [1], __mpz_struct [1]> (o=..., 
    expr=...) at /usr/include/gmpxx.h:2063
#12 0x00007ffff7b50c69 in SymEngine::StrPrinter::bvisit (this=0x7fffffffcf70, x=...)
    at /home/abinashmeher999/gsoc/symengine/symengine/printer.cpp:22
#13 0x00007ffff7aabaff in SymEngine::BaseVisitor<SymEngine::StrPrinter>::visit (
    this=0x7fffffffcf70, x=...)
    at /home/abinashmeher999/gsoc/symengine/symengine/visitor.h:92
#14 0x00007ffff7b37b5a in SymEngine::Integer::accept (this=0x608f90, v=...)
    at /home/abinashmeher999/gsoc/symengine/symengine/visitor.cpp:26
#15 0x00007ffff7b540f2 in SymEngine::StrPrinter::apply (this=0x7fffffffcf70, b=...)
    at /home/abinashmeher999/gsoc/symengine/symengine/printer.cpp:350
#16 0x00007ffff7aaa016 in SymEngine::Basic::__str__ (this=0x608f90)
    at /home/abinashmeher999/gsoc/symengine/symengine/basic.cpp:32
#17 0x00007ffff7b50008 in basic_str (s=0x608da0)
    at /home/abinashmeher999/gsoc/symengine/symengine/cwrapper.cpp:193
#18 0x000000000040132a in test_cwrapper ()
    at /home/abinashmeher999/gsoc/symengine/symengine/tests/cwrapper/test_cwrapper.c:85
#19 0x00000000004013d5 in main (argc=1, argv=0x7fffffffd178)
---Type <return> to continue, or q <return> to quit---
    at /home/abinashmeher999/gsoc/symengine/symengine/tests/cwrapper/test_cwrapper.c:103
(gdb)