Sección 5 - Módulo Refugio

Hola, buenos días. El unico caso de prueba que me da mal es refugio 3. Lo que me devuelve valgrind es:

valgrind --leak-check=full ./principal < test/refugio3-esta-obtener.in
==22483== Memcheck, a memory error detector
==22483== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==22483== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==22483== Command: ./principal
==22483==
1>2># creo cuatro perros para ingresarlos al refugio .
principal: principal.cpp:260: void main_crearPerro(rep_perro*&, rep_fecha*&): Assertion `(perro == NULL) && (fecha != NULL)' failed.
==22483==
==22483== Process terminating with default action of signal 6 (SIGABRT)
==22483== at 0x4B269FC: __pthread_kill_implementation (pthread_kill.c:44)
==22483== by 0x4B269FC: __pthread_kill_internal (pthread_kill.c:78)
==22483== by 0x4B269FC: pthread_kill@@GLIBC_2.34 (pthread_kill.c:89)
==22483== by 0x4AD2475: raise (raise.c:26)
==22483== by 0x4AB87F2: abort (abort.c:79)
==22483== by 0x4AB871A: __assert_fail_base.cold (assert.c:94)
==22483== by 0x4AC9E95: __assert_fail (assert.c:103)
==22483== by 0x109CFD: main_crearPerro(rep_perro*&, rep_fecha*&) (principal.cpp:260)
==22483== by 0x109508: main (principal.cpp:123)
==22483==
==22483== HEAP SUMMARY:
==22483== in use at exit: 79,008 bytes in 8 blocks
==22483== total heap usage: 13 allocs, 5 frees, 79,566 bytes allocated
==22483==
==22483== LEAK SUMMARY:
==22483== definitely lost: 0 bytes in 0 blocks
==22483== indirectly lost: 0 bytes in 0 blocks
==22483== possibly lost: 0 bytes in 0 blocks
==22483== still reachable: 79,008 bytes in 8 blocks
==22483== suppressed: 0 bytes in 0 blocks
==22483== Reachable blocks (those to which a pointer was found) are not shown.
==22483== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==22483==
==22483== For lists of detected and suppressed errors, rerun with: -s
==22483== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
Aborted (core dumped)