Verbose level: 1 Formula AG((p20 IMPLIES EF(~p20))) holds Encoding time: 0.005 sec Verification time: 73.43 sec Encoding memory: 10.51 MB Memory (total): 25.17 MB TOTAL time: 73.44 sec STAT; 0.005 ; 73.43 ; 10.51 ; 25.17 ; 73.44