Traceback (most recent call last):

File "all_v2.py", line 364, in <module>

nest.Simulate(sim_time)

File "/opt/soft/nest-2.18.0/lib64/python3.6/site-packages/nest/ll_api.py", line 246, in stack_checker_func

return f(*args, **kwargs)

File "/opt/soft/nest-2.18.0/lib64/python3.6/site-packages/nest/lib/hl_api_simulation.py", line 66, in Simulate

sr('ms Simulate')

File "/opt/soft/nest-2.18.0/lib64/python3.6/site-packages/nest/ll_api.py", line 132, in catching_sli_run

raise exceptionCls(commandname, message)

nest.ll_api.C++Exception: ('C++Exception in Simulate_d: std::bad_alloc', 'C++Exception', <SLILiteral: Simulate_d>, ': std::bad_alloc')