%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : LAT005-3 : TPTP v8.1.0. Released v1.0.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n008.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 8.87s 9.07s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.03/0.12 % Problem : LAT005-3 : TPTP v8.1.0. Released v1.0.0. % 0.03/0.13 % Command : otter-tptp-script %s % 0.13/0.34 % Computer : n008.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 08:37:08 EDT 2022 % 0.13/0.34 % CPUTime : % 1.69/1.90 ----- Otter 3.3f, August 2004 ----- % 1.69/1.90 The process was started by sandbox2 on n008.cluster.edu, % 1.69/1.90 Wed Jul 27 08:37:08 2022 % 1.69/1.90 The command was "./otter". The process ID is 1143. % 1.69/1.90 % 1.69/1.90 set(prolog_style_variables). % 1.69/1.90 set(auto). % 1.69/1.90 dependent: set(auto1). % 1.69/1.90 dependent: set(process_input). % 1.69/1.90 dependent: clear(print_kept). % 1.69/1.90 dependent: clear(print_new_demod). % 1.69/1.90 dependent: clear(print_back_demod). % 1.69/1.90 dependent: clear(print_back_sub). % 1.69/1.90 dependent: set(control_memory). % 1.69/1.90 dependent: assign(max_mem, 12000). % 1.69/1.90 dependent: assign(pick_given_ratio, 4). % 1.69/1.90 dependent: assign(stats_level, 1). % 1.69/1.90 dependent: assign(max_seconds, 10800). % 1.69/1.90 clear(print_given). % 1.69/1.90 % 1.69/1.90 list(usable). % 1.69/1.90 0 [] A=A. % 1.69/1.90 0 [] meet(X,X)=X. % 1.69/1.90 0 [] join(X,X)=X. % 1.69/1.90 0 [] meet(X,join(X,Y))=X. % 1.69/1.90 0 [] join(X,meet(X,Y))=X. % 1.69/1.90 0 [] meet(X,Y)=meet(Y,X). % 1.69/1.90 0 [] join(X,Y)=join(Y,X). % 1.69/1.90 0 [] meet(meet(X,Y),Z)=meet(X,meet(Y,Z)). % 1.69/1.90 0 [] join(join(X,Y),Z)=join(X,join(Y,Z)). % 1.69/1.90 0 [] meet(X,n0)=n0. % 1.69/1.90 0 [] join(X,n0)=X. % 1.69/1.90 0 [] meet(X,n1)=X. % 1.69/1.90 0 [] join(X,n1)=n1. % 1.69/1.90 0 [] meet(X,Z)!=X|meet(Z,join(X,Y))=join(X,meet(Y,Z)). % 1.69/1.90 0 [] -complement(X,Y)|meet(X,Y)=n0. % 1.69/1.90 0 [] -complement(X,Y)|join(X,Y)=n1. % 1.69/1.90 0 [] meet(X,Y)!=n0|join(X,Y)!=n1|complement(X,Y). % 1.69/1.90 0 [] complement(r1,join(a,b)). % 1.69/1.90 0 [] complement(r2,meet(a,b)). % 1.69/1.90 0 [] r1!=meet(join(r1,meet(r2,b)),join(r1,meet(r2,a))). % 1.69/1.90 end_of_list. % 1.69/1.90 % 1.69/1.90 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3. % 1.69/1.90 % 1.69/1.90 This is a Horn set with equality. The strategy will be % 1.69/1.90 Knuth-Bendix and hyper_res, with positive clauses in % 1.69/1.90 sos and nonpositive clauses in usable. % 1.69/1.90 % 1.69/1.90 dependent: set(knuth_bendix). % 1.69/1.90 dependent: set(anl_eq). % 1.69/1.90 dependent: set(para_from). % 1.69/1.90 dependent: set(para_into). % 1.69/1.90 dependent: clear(para_from_right). % 1.69/1.90 dependent: clear(para_into_right). % 1.69/1.90 dependent: set(para_from_vars). % 1.69/1.90 dependent: set(eq_units_both_ways). % 1.69/1.90 dependent: set(dynamic_demod_all). % 1.69/1.90 dependent: set(dynamic_demod). % 1.69/1.90 dependent: set(order_eq). % 1.69/1.90 dependent: set(back_demod). % 1.69/1.90 dependent: set(lrpo). % 1.69/1.90 dependent: set(hyper_res). % 1.69/1.90 dependent: clear(order_hyper). % 1.69/1.90 % 1.69/1.90 ------------> process usable: % 1.69/1.90 ** KEPT (pick-wt=16): 1 [] meet(A,B)!=A|meet(B,join(A,C))=join(A,meet(C,B)). % 1.69/1.90 ** KEPT (pick-wt=8): 2 [] -complement(A,B)|meet(A,B)=n0. % 1.69/1.90 ** KEPT (pick-wt=8): 3 [] -complement(A,B)|join(A,B)=n1. % 1.69/1.90 ** KEPT (pick-wt=13): 4 [] meet(A,B)!=n0|join(A,B)!=n1|complement(A,B). % 1.69/1.90 ** KEPT (pick-wt=13): 6 [copy,5,flip.1] meet(join(r1,meet(r2,b)),join(r1,meet(r2,a)))!=r1. % 1.69/1.90 % 1.69/1.90 ------------> process sos: % 1.69/1.90 ** KEPT (pick-wt=3): 7 [] A=A. % 1.69/1.90 ** KEPT (pick-wt=5): 8 [] meet(A,A)=A. % 1.69/1.90 ---> New Demodulator: 9 [new_demod,8] meet(A,A)=A. % 1.69/1.90 ** KEPT (pick-wt=5): 10 [] join(A,A)=A. % 1.69/1.90 ---> New Demodulator: 11 [new_demod,10] join(A,A)=A. % 1.69/1.90 ** KEPT (pick-wt=7): 12 [] meet(A,join(A,B))=A. % 1.69/1.90 ---> New Demodulator: 13 [new_demod,12] meet(A,join(A,B))=A. % 1.69/1.90 ** KEPT (pick-wt=7): 14 [] join(A,meet(A,B))=A. % 1.69/1.90 ---> New Demodulator: 15 [new_demod,14] join(A,meet(A,B))=A. % 1.69/1.90 ** KEPT (pick-wt=7): 16 [] meet(A,B)=meet(B,A). % 1.69/1.90 ** KEPT (pick-wt=7): 17 [] join(A,B)=join(B,A). % 1.69/1.90 ** KEPT (pick-wt=11): 18 [] meet(meet(A,B),C)=meet(A,meet(B,C)). % 1.69/1.90 ---> New Demodulator: 19 [new_demod,18] meet(meet(A,B),C)=meet(A,meet(B,C)). % 1.69/1.90 ** KEPT (pick-wt=11): 20 [] join(join(A,B),C)=join(A,join(B,C)). % 1.69/1.90 ---> New Demodulator: 21 [new_demod,20] join(join(A,B),C)=join(A,join(B,C)). % 1.69/1.90 ** KEPT (pick-wt=5): 22 [] meet(A,n0)=n0. % 1.69/1.90 ---> New Demodulator: 23 [new_demod,22] meet(A,n0)=n0. % 1.69/1.90 ** KEPT (pick-wt=5): 24 [] join(A,n0)=A. % 1.69/1.90 ---> New Demodulator: 25 [new_demod,24] join(A,n0)=A. % 1.69/1.90 ** KEPT (pick-wt=5): 26 [] meet(A,n1)=A. % 1.69/1.90 ---> New Demodulator: 27 [new_demod,26] meet(A,n1)=A. % 1.69/1.90 ** KEPT (pick-wt=5): 28 [] join(A,n1)=n1. % 1.69/1.90 ---> New Demodulator: 29 [new_demod,28] join(A,n1)=n1. % 1.69/1.90 ** KEPT (pick-wt=5): 30 [] complement(r1,join(a,b)). % 1.69/1.90 ** KEPT (pick-wt=5): 31 [] complement(r2,meet(a,b)). % 1.69/1.90 Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] A=A. % 1.69/1.90 >>>> Starting back demodulation with 9. % 1.69/1.90 >>>> Starting back demodulation with 11. % 1.69/1.90 >>>> Starting back demodulation with 13. % 1.69/1.90 >>>> Starting back demodulation with 15. % 1.69/1.90 Following clause subsumed by 16 during input processing: 0 [copy,16,flip.1] meet(A,B)=meet(B,A). % 1.69/1.90 Following clause subsumed by 17 during input processing: 0 [copy,17,flip.1] join(A,B)=join(B,A). % 8.87/9.06 >>>> Starting back demodulation with 19. % 8.87/9.06 >>>> Starting back demodulation with 21. % 8.87/9.06 >>>> Starting back demodulation with 23. % 8.87/9.06 >>>> Starting back demodulation with 25. % 8.87/9.06 >>>> Starting back demodulation with 27. % 8.87/9.06 >>>> Starting back demodulation with 29. % 8.87/9.06 % 8.87/9.06 ======= end of input processing ======= % 8.87/9.06 % 8.87/9.06 =========== start of search =========== % 8.87/9.06 % 8.87/9.06 % 8.87/9.06 Resetting weight limit to 8. % 8.87/9.06 % 8.87/9.06 % 8.87/9.06 Resetting weight limit to 8. % 8.87/9.06 % 8.87/9.06 sos_size=2380 % 8.87/9.06 % 8.87/9.06 Search stopped because sos empty. % 8.87/9.06 % 8.87/9.06 % 8.87/9.06 Search stopped because sos empty. % 8.87/9.06 % 8.87/9.06 ============ end of search ============ % 8.87/9.06 % 8.87/9.06 -------------- statistics ------------- % 8.87/9.06 clauses given 3409 % 8.87/9.06 clauses generated 2788735 % 8.87/9.06 clauses kept 5044 % 8.87/9.06 clauses forward subsumed 74457 % 8.87/9.06 clauses back subsumed 1704 % 8.87/9.06 Kbytes malloced 5859 % 8.87/9.06 % 8.87/9.06 ----------- times (seconds) ----------- % 8.87/9.06 user CPU time 7.16 (0 hr, 0 min, 7 sec) % 8.87/9.06 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 8.87/9.06 wall-clock time 9 (0 hr, 0 min, 9 sec) % 8.87/9.06 % 8.87/9.06 Process 1143 finished Wed Jul 27 08:37:17 2022 % 8.87/9.06 Otter interrupted % 8.87/9.06 PROOF NOT FOUND %------------------------------------------------------------------------------