%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : LAT005-4 : TPTP v8.1.0. Released v1.1.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n020.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 12.93s 13.18s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.03/0.12 % Problem : LAT005-4 : TPTP v8.1.0. Released v1.1.0. % 0.03/0.12 % Command : otter-tptp-script %s % 0.13/0.33 % Computer : n020.cluster.edu % 0.13/0.33 % Model : x86_64 x86_64 % 0.13/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.13/0.33 % Memory : 8042.1875MB % 0.13/0.33 % OS : Linux 3.10.0-693.el7.x86_64 % 0.13/0.33 % CPULimit : 300 % 0.13/0.33 % WCLimit : 300 % 0.13/0.33 % DateTime : Wed Jul 27 08:23:08 EDT 2022 % 0.13/0.33 % CPUTime : % 1.94/2.13 ----- Otter 3.3f, August 2004 ----- % 1.94/2.13 The process was started by sandbox on n020.cluster.edu, % 1.94/2.13 Wed Jul 27 08:23:08 2022 % 1.94/2.13 The command was "./otter". The process ID is 31807. % 1.94/2.13 % 1.94/2.13 set(prolog_style_variables). % 1.94/2.13 set(auto). % 1.94/2.13 dependent: set(auto1). % 1.94/2.13 dependent: set(process_input). % 1.94/2.13 dependent: clear(print_kept). % 1.94/2.13 dependent: clear(print_new_demod). % 1.94/2.13 dependent: clear(print_back_demod). % 1.94/2.13 dependent: clear(print_back_sub). % 1.94/2.13 dependent: set(control_memory). % 1.94/2.13 dependent: assign(max_mem, 12000). % 1.94/2.13 dependent: assign(pick_given_ratio, 4). % 1.94/2.13 dependent: assign(stats_level, 1). % 1.94/2.13 dependent: assign(max_seconds, 10800). % 1.94/2.13 clear(print_given). % 1.94/2.13 % 1.94/2.13 list(usable). % 1.94/2.13 0 [] A=A. % 1.94/2.13 0 [] meet(X,X)=X. % 1.94/2.13 0 [] join(X,X)=X. % 1.94/2.13 0 [] meet(X,join(X,Y))=X. % 1.94/2.13 0 [] join(X,meet(X,Y))=X. % 1.94/2.13 0 [] meet(X,Y)=meet(Y,X). % 1.94/2.13 0 [] join(X,Y)=join(Y,X). % 1.94/2.13 0 [] meet(meet(X,Y),Z)=meet(X,meet(Y,Z)). % 1.94/2.13 0 [] join(join(X,Y),Z)=join(X,join(Y,Z)). % 1.94/2.13 0 [] meet(X,n0)=n0. % 1.94/2.13 0 [] join(X,n0)=X. % 1.94/2.13 0 [] meet(X,n1)=X. % 1.94/2.13 0 [] join(X,n1)=n1. % 1.94/2.13 0 [] meet(X,Z)!=X|meet(Z,join(X,Y))=join(X,meet(Y,Z)). % 1.94/2.13 0 [] join(r2,meet(a,b))=n1. % 1.94/2.13 0 [] meet(r2,meet(a,b))=n0. % 1.94/2.13 0 [] join(r1,join(a,b))=n1. % 1.94/2.13 0 [] meet(r1,join(a,b))=n0. % 1.94/2.13 0 [] join(r1,meet(a,r2))=b2. % 1.94/2.13 0 [] join(r1,meet(b,r2))=a2. % 1.94/2.13 0 [] meet(a2,b2)!=r1. % 1.94/2.13 end_of_list. % 1.94/2.13 % 1.94/2.13 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=2. % 1.94/2.13 % 1.94/2.13 This is a Horn set with equality. The strategy will be % 1.94/2.13 Knuth-Bendix and hyper_res, with positive clauses in % 1.94/2.13 sos and nonpositive clauses in usable. % 1.94/2.13 % 1.94/2.13 dependent: set(knuth_bendix). % 1.94/2.13 dependent: set(anl_eq). % 1.94/2.13 dependent: set(para_from). % 1.94/2.13 dependent: set(para_into). % 1.94/2.13 dependent: clear(para_from_right). % 1.94/2.13 dependent: clear(para_into_right). % 1.94/2.13 dependent: set(para_from_vars). % 1.94/2.13 dependent: set(eq_units_both_ways). % 1.94/2.13 dependent: set(dynamic_demod_all). % 1.94/2.13 dependent: set(dynamic_demod). % 1.94/2.13 dependent: set(order_eq). % 1.94/2.13 dependent: set(back_demod). % 1.94/2.13 dependent: set(lrpo). % 1.94/2.13 dependent: set(hyper_res). % 1.94/2.13 dependent: clear(order_hyper). % 1.94/2.13 % 1.94/2.13 ------------> process usable: % 1.94/2.13 ** KEPT (pick-wt=16): 1 [] meet(A,B)!=A|meet(B,join(A,C))=join(A,meet(C,B)). % 1.94/2.13 ** KEPT (pick-wt=5): 2 [] meet(a2,b2)!=r1. % 1.94/2.13 % 1.94/2.13 ------------> process sos: % 1.94/2.13 ** KEPT (pick-wt=3): 3 [] A=A. % 1.94/2.13 ** KEPT (pick-wt=5): 4 [] meet(A,A)=A. % 1.94/2.13 ---> New Demodulator: 5 [new_demod,4] meet(A,A)=A. % 1.94/2.13 ** KEPT (pick-wt=5): 6 [] join(A,A)=A. % 1.94/2.13 ---> New Demodulator: 7 [new_demod,6] join(A,A)=A. % 1.94/2.13 ** KEPT (pick-wt=7): 8 [] meet(A,join(A,B))=A. % 1.94/2.13 ---> New Demodulator: 9 [new_demod,8] meet(A,join(A,B))=A. % 1.94/2.13 ** KEPT (pick-wt=7): 10 [] join(A,meet(A,B))=A. % 1.94/2.13 ---> New Demodulator: 11 [new_demod,10] join(A,meet(A,B))=A. % 1.94/2.13 ** KEPT (pick-wt=7): 12 [] meet(A,B)=meet(B,A). % 1.94/2.13 ** KEPT (pick-wt=7): 13 [] join(A,B)=join(B,A). % 1.94/2.13 ** KEPT (pick-wt=11): 14 [] meet(meet(A,B),C)=meet(A,meet(B,C)). % 1.94/2.13 ---> New Demodulator: 15 [new_demod,14] meet(meet(A,B),C)=meet(A,meet(B,C)). % 1.94/2.13 ** KEPT (pick-wt=11): 16 [] join(join(A,B),C)=join(A,join(B,C)). % 1.94/2.13 ---> New Demodulator: 17 [new_demod,16] join(join(A,B),C)=join(A,join(B,C)). % 1.94/2.13 ** KEPT (pick-wt=5): 18 [] meet(A,n0)=n0. % 1.94/2.13 ---> New Demodulator: 19 [new_demod,18] meet(A,n0)=n0. % 1.94/2.13 ** KEPT (pick-wt=5): 20 [] join(A,n0)=A. % 1.94/2.13 ---> New Demodulator: 21 [new_demod,20] join(A,n0)=A. % 1.94/2.13 ** KEPT (pick-wt=5): 22 [] meet(A,n1)=A. % 1.94/2.13 ---> New Demodulator: 23 [new_demod,22] meet(A,n1)=A. % 1.94/2.13 ** KEPT (pick-wt=5): 24 [] join(A,n1)=n1. % 1.94/2.13 ---> New Demodulator: 25 [new_demod,24] join(A,n1)=n1. % 1.94/2.13 ** KEPT (pick-wt=7): 26 [] join(r2,meet(a,b))=n1. % 1.94/2.13 ---> New Demodulator: 27 [new_demod,26] join(r2,meet(a,b))=n1. % 1.94/2.13 ** KEPT (pick-wt=7): 28 [] meet(r2,meet(a,b))=n0. % 1.94/2.13 ---> New Demodulator: 29 [new_demod,28] meet(r2,meet(a,b))=n0. % 1.94/2.13 ** KEPT (pick-wt=7): 30 [] join(r1,join(a,b))=n1. % 1.94/2.13 ---> New Demodulator: 31 [new_demod,30] join(r1,join(a,b))=n1. % 1.94/2.13 ** KEPT (pick-wt=7): 32 [] meet(r1,join(a,b))=n0. % 1.94/2.13 ---> New Demodulator: 33 [new_demod,32] meet(r1,join(a,b))=n0. % 1.94/2.13 ** KEPT (pick-wt=7): 34 [] join(r1,meet(a,r2))=b2. % 1.94/2.13 ---> New Demodulator: 35 [new_demod,34] join(r1,meet(a,r2))=b2. % 1.94/2.13 ** KEPT (pick-wt=7): 36 [] join(r1,meet(b,r2))=a2. % 1.94/2.13 ---> New Demodulator: 37 [new_demod,36] join(r1,meet(b,r2))=a2. % 1.94/2.13 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A. % 1.94/2.13 >>>> Starting back demodulation with 5. % 12.93/13.18 >>>> Starting back demodulation with 7. % 12.93/13.18 >>>> Starting back demodulation with 9. % 12.93/13.18 >>>> Starting back demodulation with 11. % 12.93/13.18 Following clause subsumed by 12 during input processing: 0 [copy,12,flip.1] meet(A,B)=meet(B,A). % 12.93/13.18 Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] join(A,B)=join(B,A). % 12.93/13.18 >>>> Starting back demodulation with 15. % 12.93/13.18 >>>> Starting back demodulation with 17. % 12.93/13.18 >>>> Starting back demodulation with 19. % 12.93/13.18 >>>> Starting back demodulation with 21. % 12.93/13.18 >>>> Starting back demodulation with 23. % 12.93/13.18 >>>> Starting back demodulation with 25. % 12.93/13.18 >>>> Starting back demodulation with 27. % 12.93/13.18 >>>> Starting back demodulation with 29. % 12.93/13.18 >>>> Starting back demodulation with 31. % 12.93/13.18 >>>> Starting back demodulation with 33. % 12.93/13.18 >>>> Starting back demodulation with 35. % 12.93/13.18 >>>> Starting back demodulation with 37. % 12.93/13.18 % 12.93/13.18 ======= end of input processing ======= % 12.93/13.18 % 12.93/13.18 =========== start of search =========== % 12.93/13.18 % 12.93/13.18 % 12.93/13.18 Resetting weight limit to 8. % 12.93/13.18 % 12.93/13.18 % 12.93/13.18 Resetting weight limit to 8. % 12.93/13.18 % 12.93/13.18 sos_size=1162 % 12.93/13.18 % 12.93/13.18 Search stopped because sos empty. % 12.93/13.18 % 12.93/13.18 % 12.93/13.18 Search stopped because sos empty. % 12.93/13.18 % 12.93/13.18 ============ end of search ============ % 12.93/13.18 % 12.93/13.18 -------------- statistics ------------- % 12.93/13.18 clauses given 2123 % 12.93/13.18 clauses generated 2033930 % 12.93/13.18 clauses kept 2558 % 12.93/13.18 clauses forward subsumed 106594 % 12.93/13.18 clauses back subsumed 397 % 12.93/13.18 Kbytes malloced 7812 % 12.93/13.18 % 12.93/13.18 ----------- times (seconds) ----------- % 12.93/13.18 user CPU time 11.03 (0 hr, 0 min, 11 sec) % 12.93/13.18 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 12.93/13.18 wall-clock time 13 (0 hr, 0 min, 13 sec) % 12.93/13.18 % 12.93/13.18 Process 31807 finished Wed Jul 27 08:23:21 2022 % 12.93/13.18 Otter interrupted % 12.93/13.18 PROOF NOT FOUND %------------------------------------------------------------------------------