#750 Failure at cts step New issue created by ratul619 Hi , While running any design , see that cts is getting exited with below message : * * * set_driving_cell -lib_cell sky130_fd_sc_hd__inv_2 -pin {Y} -input_transition_rise 0.0000 -input_transition_fall 0.0000 [get_ports {write_data[2]}] set_driving_cell -lib_cell sky130_fd_sc_hd__inv_2 -pin {Y} -input_transition_rise 0.0000 -input_transition_fall 0.0000 [get_ports {write_data[1]}] set_driving_cell -lib_cell sky130_fd_sc_hd__inv_2 -pin {Y} -input_transition_rise 0.0000 -input_transition_fall 0.0000 [get_ports {write_data[0]}] set_timing_derate -early 0.9500 set_timing_derate -late 1.0500 ############################################################################### Design Rules ############################################################################### set_max_fanout 8.0000 [current_design] [INFO]: Setting RC values... [INFO]: Configuring cts characterization... [INFO]: Performing clock tree synthesis... [INFO]: Looking for the following net(s): clk [INFO]: Running Clock Tree Synthesis... [ERROR]: during executing: "./openroad -exit /home/ratul619/Desktop/OpenLane/scripts/openroad/cts.tcl |& tee >&@stdout /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/logs/cts/11-cts.log" [ERROR]: Exit code: 1 [ERROR]: Last 10 lines: child killed: segmentation violation *[ERROR]: Please check ./openroad log file [ERROR]: Dumping to /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/error.log [INFO]: Calculating Runtime From the Start... [INFO]: Generating Final Summary Report... [INFO]: Design Name: aes Run Directory: /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33 Source not found.* *LVS Summary: Source: /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/logs/finishing/aes.lvs.lef.log Source not found.* Antenna Summary: No antenna report found. [INFO]: check full report here: /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/reports/final_summary_report.csv [INFO]: Saving Runtime Environment [ERROR]: Flow failed.

while executing

"try_catch $::env(OPENROAD_BIN) -exit $::env(SCRIPTS_DIR)/openroad/cts.tcl |& tee $::env(TERMINAL_OUTPUT) [index_file $::env(cts_logs)/cts.log]" (procedure "run_cts" line 27) invoked from within "run_cts" (procedure "run_cts_step" line 8) invoked from within "[lindex $step_exe 0] [lindex $step_exe 1] " (procedure "run_non_interactive_mode" line 54) invoked from within "run_non_interactive_mode {*}$argv" invoked from within "if { [info exists flags_map(-interactive)] || [info exists flags_map(-it)] } { puts_info "Running interactively" if { [info exists arg_values(-file)..." (file "./flow.tcl" line 360) * * * The error.log has only below : *ratul619@ratul619-VirtualBox:~/Desktop/OpenLane$ cat /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/error.log during executing: "./openroad -exit /home/ratul619/Desktop/OpenLane/scripts/openroad/cts.tcl |& tee >&@stdout /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/logs/cts/11-cts.log" Last 10 lines: child killed: segmentation violation* The cts.log : ratul619@ratul619-VirtualBox:~/Desktop/OpenLane$ tail /home/ratul619/Desktop/OpenLane/designs/aes/runs/RUN_2021.12.08_10.34.33/logs/cts/11-cts.log set_timing_derate -late 1.0500 ############################################################################### Design Rules *############################################################################### set_max_fanout 8.0000 [current_design] [INFO]: Setting RC values... [INFO]: Configuring cts characterization... [INFO]: Performing clock tree synthesis... [INFO]: Looking for the following net(s): clk [INFO]: Running Clock Tree Synthesis...* Any clue what is going wrong there ? Thanks! The-OpenROAD-Project/OpenLane