Verbose level: 1 Formula AG((p20 IMPLIES EF(~p20))) holds Encoding time: 0.004 sec Verification time: 495.4 sec Encoding memory: 10.35 MB Memory (total): 24.96 MB TOTAL time: 495.4 sec STAT; 0.004 ; 495.4 ; 10.35 ; 24.96 ; 495.4