when the spectre fx run above 10h， the tools will display the following error log:
Internal error found in spectre at time = 4.12725 ms during Transient Analysis `tran'.
   FATAL (SPECTRE-18): Segmentation fault.
       Encountered a critical error during simulation. Submit a Service Request via Cadence Online Support, including the netlist, the log files, the behavioral model files, and any other information that can help identify the problem
       Encountered a critical error during simulation. Submit a Service Request via Cadence Online Support, including the netlist, the log files, the behavioral model files, and any other information that can help identify the problem
****ASSERTION STACK****
       0x7954dac
       0x9b297c
       0x9b34b6
       0x2b2810a96630
       0x2b28133c9fc3
       0x86591ad
       0x86597c0
       0x863c34d
       0x862c094
       0x85754f5
       0x85755f9
       0x857596f
       0x857fba9
       0x8582946
       0x2b2810a8eea5
       0x2b28133e096d

****LIBRARIES****
/edatools/cadence/spectre_test/spectre231/tools/spectre/bin/64bit/spectre [0x400000]
       /lib64/libpthread.so.0 [0x2b2810a87000]
       /lib64/libc.so.6 [0x2b28132e2000]