In Step 1,the code has been running for about 20 hours, is it normal?

[zty19981212]

Steps to run

Step 1: generating LEO satellite network dynamic state over time

Instructions can be found in <hypatia>/paper/satellite_networks_state/README.md

Step 2: build ns-3 simulator

Instructions can be found in <hypatia>/ns3-sat-sim/README.md

Step 3: performing analysis using satgenpy

Instructions can be found in <hypatia>/paper/satgenpy_analysis/README.md

Step 4: running ns-3 experiments

Instructions can be found in <hypatia>/paper/ns3_experiments/README.md

Step 5: generating satviz figures

Instructions can be found in <hypatia>/satviz/README.md under Visualizations in the paper.

[snkas]

Please see the text above the steps you posted: https://github.com/snkas/hypatia/blob/master/paper/README.md