%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : LAT005-10 : TPTP v8.1.0. Released v7.5.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n026.cluster.edu % Model : x86_64 x86_64 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz % Memory : 8042.1875MB % OS : Linux 3.10.0-693.el7.x86_64 % CPULimit : 300s % WCLimit : 300s % DateTime : Wed Jul 27 13:01:45 EDT 2022 % Result : Unknown 2.46s 2.62s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.07/0.12 % Problem : LAT005-10 : TPTP v8.1.0. Released v7.5.0. % 0.07/0.13 % Command : otter-tptp-script %s % 0.13/0.34 % Computer : n026.cluster.edu % 0.13/0.34 % Model : x86_64 x86_64 % 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.13/0.34 % Memory : 8042.1875MB % 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64 % 0.13/0.34 % CPULimit : 300 % 0.13/0.34 % WCLimit : 300 % 0.13/0.34 % DateTime : Wed Jul 27 08:23:39 EDT 2022 % 0.13/0.34 % CPUTime : % 2.07/2.22 ----- Otter 3.3f, August 2004 ----- % 2.07/2.22 The process was started by sandbox on n026.cluster.edu, % 2.07/2.22 Wed Jul 27 08:23:39 2022 % 2.07/2.22 The command was "./otter". The process ID is 717. % 2.07/2.22 % 2.07/2.22 set(prolog_style_variables). % 2.07/2.22 set(auto). % 2.07/2.22 dependent: set(auto1). % 2.07/2.22 dependent: set(process_input). % 2.07/2.22 dependent: clear(print_kept). % 2.07/2.22 dependent: clear(print_new_demod). % 2.07/2.22 dependent: clear(print_back_demod). % 2.07/2.22 dependent: clear(print_back_sub). % 2.07/2.22 dependent: set(control_memory). % 2.07/2.22 dependent: assign(max_mem, 12000). % 2.07/2.22 dependent: assign(pick_given_ratio, 4). % 2.07/2.22 dependent: assign(stats_level, 1). % 2.07/2.22 dependent: assign(max_seconds, 10800). % 2.07/2.22 clear(print_given). % 2.07/2.22 % 2.07/2.22 list(usable). % 2.07/2.22 0 [] A=A. % 2.07/2.22 0 [] ife_q3(A,A,B,C)=B. % 2.07/2.22 0 [] ife_q2(A,A,B,C)=B. % 2.07/2.22 0 [] ife_q(A,A,B,C)=B. % 2.07/2.22 0 [] meet(X,X)=X. % 2.07/2.22 0 [] join(X,X)=X. % 2.07/2.22 0 [] meet(X,join(X,Y))=X. % 2.07/2.22 0 [] join(X,meet(X,Y))=X. % 2.07/2.22 0 [] meet(X,Y)=meet(Y,X). % 2.07/2.22 0 [] join(X,Y)=join(Y,X). % 2.07/2.22 0 [] meet(meet(X,Y),Z)=meet(X,meet(Y,Z)). % 2.07/2.22 0 [] join(join(X,Y),Z)=join(X,join(Y,Z)). % 2.07/2.22 0 [] meet(X,n0)=n0. % 2.07/2.22 0 [] join(X,n0)=X. % 2.07/2.22 0 [] meet(X,n1)=X. % 2.07/2.22 0 [] join(X,n1)=n1. % 2.07/2.22 0 [] ife_q3(meet(X,Z),X,meet(Z,join(X,Y)),join(X,meet(Y,Z)))=join(X,meet(Y,Z)). % 2.07/2.22 0 [] ife_q(complement(X,Y),true,meet(X,Y),n0)=n0. % 2.07/2.22 0 [] ife_q(complement(X,Y),true,join(X,Y),n1)=n1. % 2.07/2.22 0 [] ife_q2(join(X,Y),n1,ife_q2(meet(X,Y),n0,complement(X,Y),true),true)=true. % 2.07/2.22 0 [] complement(r1,join(a,b))=true. % 2.07/2.22 0 [] complement(r2,meet(a,b))=true. % 2.07/2.22 0 [] r1!=meet(join(r1,meet(r2,b)),join(r1,meet(r2,a))). % 2.07/2.22 end_of_list. % 2.07/2.22 % 2.07/2.22 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1. % 2.07/2.22 % 2.07/2.22 All clauses are units, and equality is present; the % 2.07/2.22 strategy will be Knuth-Bendix with positive clauses in sos. % 2.07/2.22 % 2.07/2.22 dependent: set(knuth_bendix). % 2.07/2.22 dependent: set(anl_eq). % 2.07/2.22 dependent: set(para_from). % 2.07/2.22 dependent: set(para_into). % 2.07/2.22 dependent: clear(para_from_right). % 2.07/2.22 dependent: clear(para_into_right). % 2.07/2.22 dependent: set(para_from_vars). % 2.07/2.22 dependent: set(eq_units_both_ways). % 2.07/2.22 dependent: set(dynamic_demod_all). % 2.07/2.22 dependent: set(dynamic_demod). % 2.07/2.22 dependent: set(order_eq). % 2.07/2.22 dependent: set(back_demod). % 2.07/2.22 dependent: set(lrpo). % 2.07/2.22 % 2.07/2.22 ------------> process usable: % 2.07/2.22 ** KEPT (pick-wt=13): 2 [copy,1,flip.1] meet(join(r1,meet(r2,b)),join(r1,meet(r2,a)))!=r1. % 2.07/2.22 % 2.07/2.22 ------------> process sos: % 2.07/2.22 ** KEPT (pick-wt=3): 3 [] A=A. % 2.07/2.22 ** KEPT (pick-wt=7): 4 [] ife_q3(A,A,B,C)=B. % 2.07/2.22 ---> New Demodulator: 5 [new_demod,4] ife_q3(A,A,B,C)=B. % 2.07/2.22 ** KEPT (pick-wt=7): 6 [] ife_q2(A,A,B,C)=B. % 2.07/2.22 ---> New Demodulator: 7 [new_demod,6] ife_q2(A,A,B,C)=B. % 2.07/2.22 ** KEPT (pick-wt=7): 8 [] ife_q(A,A,B,C)=B. % 2.07/2.22 ---> New Demodulator: 9 [new_demod,8] ife_q(A,A,B,C)=B. % 2.07/2.22 ** KEPT (pick-wt=5): 10 [] meet(A,A)=A. % 2.07/2.22 ---> New Demodulator: 11 [new_demod,10] meet(A,A)=A. % 2.07/2.22 ** KEPT (pick-wt=5): 12 [] join(A,A)=A. % 2.07/2.22 ---> New Demodulator: 13 [new_demod,12] join(A,A)=A. % 2.07/2.22 ** KEPT (pick-wt=7): 14 [] meet(A,join(A,B))=A. % 2.07/2.22 ---> New Demodulator: 15 [new_demod,14] meet(A,join(A,B))=A. % 2.07/2.22 ** KEPT (pick-wt=7): 16 [] join(A,meet(A,B))=A. % 2.07/2.22 ---> New Demodulator: 17 [new_demod,16] join(A,meet(A,B))=A. % 2.07/2.22 ** KEPT (pick-wt=7): 18 [] meet(A,B)=meet(B,A). % 2.07/2.22 ** KEPT (pick-wt=7): 19 [] join(A,B)=join(B,A). % 2.07/2.22 ** KEPT (pick-wt=11): 20 [] meet(meet(A,B),C)=meet(A,meet(B,C)). % 2.07/2.22 ---> New Demodulator: 21 [new_demod,20] meet(meet(A,B),C)=meet(A,meet(B,C)). % 2.07/2.22 ** KEPT (pick-wt=11): 22 [] join(join(A,B),C)=join(A,join(B,C)). % 2.07/2.22 ---> New Demodulator: 23 [new_demod,22] join(join(A,B),C)=join(A,join(B,C)). % 2.07/2.22 ** KEPT (pick-wt=5): 24 [] meet(A,n0)=n0. % 2.07/2.22 ---> New Demodulator: 25 [new_demod,24] meet(A,n0)=n0. % 2.07/2.22 ** KEPT (pick-wt=5): 26 [] join(A,n0)=A. % 2.07/2.22 ---> New Demodulator: 27 [new_demod,26] join(A,n0)=A. % 2.07/2.22 ** KEPT (pick-wt=5): 28 [] meet(A,n1)=A. % 2.07/2.22 ---> New Demodulator: 29 [new_demod,28] meet(A,n1)=A. % 2.07/2.22 ** KEPT (pick-wt=5): 30 [] join(A,n1)=n1. % 2.07/2.22 ---> New Demodulator: 31 [new_demod,30] join(A,n1)=n1. % 2.07/2.22 ** KEPT (pick-wt=21): 32 [] ife_q3(meet(A,B),A,meet(B,join(A,C)),join(A,meet(C,B)))=join(A,meet(C,B)). % 2.07/2.22 ---> New Demodulator: 33 [new_demod,32] ife_q3(meet(A,B),A,meet(B,join(A,C)),join(A,meet(C,B)))=join(A,meet(C,B)). % 2.07/2.22 ** KEPT (pick-wt=11): 34 [] ife_q(complement(A,B),true,meet(A,B),n0)=n0. % 2.07/2.22 ---> New Demodulator: 35 [new_demod,34] ife_q(complement(A,B),true,meet(A,B),n0)=n0. % 2.07/2.22 ** KEPT (pick-wt=11): 36 [] ife_q(complement(A,B),true,join(A,B),n1)=n1. % 2.46/2.62 ---> New Demodulator: 37 [new_demod,36] ife_q(complement(A,B),true,join(A,B),n1)=n1. % 2.46/2.62 ** KEPT (pick-wt=17): 38 [] ife_q2(join(A,B),n1,ife_q2(meet(A,B),n0,complement(A,B),true),true)=true. % 2.46/2.62 ---> New Demodulator: 39 [new_demod,38] ife_q2(join(A,B),n1,ife_q2(meet(A,B),n0,complement(A,B),true),true)=true. % 2.46/2.62 ** KEPT (pick-wt=7): 40 [] complement(r1,join(a,b))=true. % 2.46/2.62 ---> New Demodulator: 41 [new_demod,40] complement(r1,join(a,b))=true. % 2.46/2.62 ** KEPT (pick-wt=7): 42 [] complement(r2,meet(a,b))=true. % 2.46/2.62 ---> New Demodulator: 43 [new_demod,42] complement(r2,meet(a,b))=true. % 2.46/2.62 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A. % 2.46/2.62 >>>> Starting back demodulation with 5. % 2.46/2.62 >>>> Starting back demodulation with 7. % 2.46/2.62 >>>> Starting back demodulation with 9. % 2.46/2.62 >>>> Starting back demodulation with 11. % 2.46/2.62 >>>> Starting back demodulation with 13. % 2.46/2.62 >>>> Starting back demodulation with 15. % 2.46/2.62 >>>> Starting back demodulation with 17. % 2.46/2.62 Following clause subsumed by 18 during input processing: 0 [copy,18,flip.1] meet(A,B)=meet(B,A). % 2.46/2.62 Following clause subsumed by 19 during input processing: 0 [copy,19,flip.1] join(A,B)=join(B,A). % 2.46/2.62 >>>> Starting back demodulation with 21. % 2.46/2.62 >>>> Starting back demodulation with 23. % 2.46/2.62 >>>> Starting back demodulation with 25. % 2.46/2.62 >>>> Starting back demodulation with 27. % 2.46/2.62 >>>> Starting back demodulation with 29. % 2.46/2.62 >>>> Starting back demodulation with 31. % 2.46/2.62 >>>> Starting back demodulation with 33. % 2.46/2.62 >>>> Starting back demodulation with 35. % 2.46/2.62 >>>> Starting back demodulation with 37. % 2.46/2.62 >>>> Starting back demodulation with 39. % 2.46/2.62 >>>> Starting back demodulation with 41. % 2.46/2.62 >>>> Starting back demodulation with 43. % 2.46/2.62 % 2.46/2.62 ======= end of input processing ======= % 2.46/2.62 % 2.46/2.62 =========== start of search =========== % 2.46/2.62 % 2.46/2.62 % 2.46/2.62 Resetting weight limit to 9. % 2.46/2.62 % 2.46/2.62 % 2.46/2.62 Resetting weight limit to 9. % 2.46/2.62 % 2.46/2.62 sos_size=247 % 2.46/2.62 % 2.46/2.62 Search stopped because sos empty. % 2.46/2.62 % 2.46/2.62 % 2.46/2.62 Search stopped because sos empty. % 2.46/2.62 % 2.46/2.62 ============ end of search ============ % 2.46/2.62 % 2.46/2.62 -------------- statistics ------------- % 2.46/2.62 clauses given 457 % 2.46/2.62 clauses generated 62622 % 2.46/2.62 clauses kept 488 % 2.46/2.62 clauses forward subsumed 30925 % 2.46/2.62 clauses back subsumed 0 % 2.46/2.62 Kbytes malloced 6835 % 2.46/2.62 % 2.46/2.62 ----------- times (seconds) ----------- % 2.46/2.62 user CPU time 0.40 (0 hr, 0 min, 0 sec) % 2.46/2.62 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 2.46/2.62 wall-clock time 2 (0 hr, 0 min, 2 sec) % 2.46/2.62 % 2.46/2.62 Process 717 finished Wed Jul 27 08:23:41 2022 % 2.46/2.62 Otter interrupted % 2.46/2.62 PROOF NOT FOUND %------------------------------------------------------------------------------