Loading mpi version 2021.6.0 Starting FDS ... MPI Process 0 started on cu022 MPI Process 4 started on cu022 MPI Process 8 started on cu022 MPI Process 9 started on cu022 MPI Process 10 started on cu022 MPI Process 13 started on cu022 MPI Process 18 started on cu022 MPI Process 3 started on cu022 MPI Process 7 started on cu022 MPI Process 12 started on cu022 MPI Process 15 started on cu022 MPI Process 17 started on cu022 MPI Process 19 started on cu022 MPI Process 5 started on cu022 MPI Process 6 started on cu022 MPI Process 11 started on cu022 MPI Process 14 started on cu022 MPI Process 16 started on cu022 MPI Process 1 started on cu022 MPI Process 2 started on cu022 Reading FDS input file ... WARNING: SPEC REAC_FUEL is not in the table of pre-defined species. Any unassigned SPEC variables in the input were assigned the properties of nitrogen. Fire Dynamics Simulator Current Date : June 20, 2024 23:42:52 Revision : FDS-6.9.1-0-g889da6a-release Revision Date : Sun Apr 7 17:05:06 2024 -0400 Compiler : Intel(R) Fortran Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.7.1 Build 20221019_000000 Compilation Date : Apr 09, 2024 13:24:51 Number of MPI Processes: 20 MPI version: 3.1 MPI library version: Intel(R) MPI Library 2021.6 for Linux* OS Job TITLE : Job ID string : jzw_0_5 Time Step: 19700, Simulation Time: 370.19 s Time Step: 19800, Simulation Time: 370.87 s WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 WARNING: Minimum density, 0.120 kg/m3, clipped in Mesh 15 Time Step: 19895, Simulation Time: 371.42 s ERROR: Numerical Instability - FDS stopped (CHID: jzw_0_5)