invalid memory reference & in __advance_MOD_time_marching2.constprop.0

[college301654-art]

Describe the bug A clear and concise description of what the bug is. When I first run ucns3d_p in the example of 2D double Mach reflection, a problem of invalid memory reference below occurs. It seems that array out-of-bounds is related to memory. But in the run of 3D taylor-green-vortex case, this problem will not occur. Is there anyone to help solve this problem？

UCNS3D Running

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:

Backtrace for this error:

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:

Backtrace for this error:

0 0x7ff94a623ad0 in ???

1 0x7ff94a622c35 in ???

2 0x7ff94a24251f in ???

at ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0

0 0x7f2f88223ad0 in ???

1 0x7f2f88222c35 in ???

2 0x7f2f87e4251f in ???

at ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0

3 0x55d4b233af1a in __advance_MOD_runge_kutta4_2d

at /home/UCNS3D-master/src/time_p.f90:2684

4 0x55d4b233af1a in __advance_MOD_time_marching2.constprop.0

at /home/UCNS3D-master/src/time_p.f90:4567

5 0x7ff94a1caa15 in ???

3 0x558618912f1a in __advance_MOD_runge_kutta4_2d

at /home/UCNS3D-master/src/time_p.f90:2684

4 0x558618912f1a in __advance_MOD_time_marching2.constprop.0

at /home/UCNS3D-master/src/time_p.f90:4567

5 0x7f2f8856db9d in ???

6 0x7f2f87e94b42 in start_thread

at ./nptl/pthread_create.c:442

7 0x7f2f87f269ff in ???

at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

8 0xffffffffffffffff in ???

6 0x55d4b23072fc in ucns3d

at /home/UCNS3D-master/src/main.f90:827

7 0x55d4b225817e in main

at /home/UCNS3D-master/src/main.f90:8

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Primary job terminated normally, but 1 process returned a non-zero exit code. Per user-direction, the job has been aborted.

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mpirun noticed that process rank 0 with PID 0 on node lz-Super-Server exited on signal 11 (Segmentation fault).

[college301654-art]

When the time-advance format changes from RK4 to RK3, this problem will be solved. But how can I improve this problem?

[TakisCFD]

Attach the UCNS3D.DAT file used since if the correct options are not selected it can lead to these issues.

[college301654-art]

Attach the UCNS3D.DAT file used since if the correct options are not selected it can lead to these issues.

Yes, the problem is solved with the UCNS3D.DAT attached.

[TakisCFD]

no attachment found