%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : LAT401-2 : TPTP v8.1.0. Released v8.1.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n003.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 13:03:16 EDT 2022 % Result : Unknown 1.76s 1.97s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.07/0.12 % Problem : LAT401-2 : TPTP v8.1.0. Released v8.1.0. % 0.07/0.12 % Command : otter-tptp-script %s % 0.12/0.33 % Computer : n003.cluster.edu % 0.12/0.33 % Model : x86_64 x86_64 % 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.12/0.33 % Memory : 8042.1875MB % 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64 % 0.12/0.34 % CPULimit : 300 % 0.12/0.34 % WCLimit : 300 % 0.12/0.34 % DateTime : Wed Jul 27 08:27:26 EDT 2022 % 0.12/0.34 % CPUTime : % 1.72/1.93 ----- Otter 3.3f, August 2004 ----- % 1.72/1.93 The process was started by sandbox on n003.cluster.edu, % 1.72/1.93 Wed Jul 27 08:27:26 2022 % 1.72/1.93 The command was "./otter". The process ID is 7963. % 1.72/1.93 % 1.72/1.93 set(prolog_style_variables). % 1.72/1.93 set(auto). % 1.72/1.93 dependent: set(auto1). % 1.72/1.93 dependent: set(process_input). % 1.72/1.93 dependent: clear(print_kept). % 1.72/1.93 dependent: clear(print_new_demod). % 1.72/1.93 dependent: clear(print_back_demod). % 1.72/1.93 dependent: clear(print_back_sub). % 1.72/1.93 dependent: set(control_memory). % 1.72/1.93 dependent: assign(max_mem, 12000). % 1.72/1.93 dependent: assign(pick_given_ratio, 4). % 1.72/1.93 dependent: assign(stats_level, 1). % 1.72/1.93 dependent: assign(max_seconds, 10800). % 1.72/1.93 clear(print_given). % 1.72/1.93 % 1.72/1.93 list(usable). % 1.72/1.93 0 [] A=A. % 1.72/1.93 0 [] meet(X,Y)=meet(Y,X). % 1.72/1.93 0 [] meet(X,meet(Y,Z))=meet(meet(X,Y),Z). % 1.72/1.93 0 [] join(X,Y)=join(Y,X). % 1.72/1.93 0 [] join(X,join(Y,Z))=join(join(X,Y),Z). % 1.72/1.93 0 [] join(X,meet(X,Y))=X. % 1.72/1.93 0 [] meet(X,join(X,Y))=X. % 1.72/1.93 0 [] upme(X,Y,Z)=meet(X,join(Y,Z)). % 1.72/1.93 0 [] lome(X,Y,Z)=join(meet(X,Y),meet(X,Z)). % 1.72/1.93 0 [] upjo(X,Y,Z)=meet(join(X,Y),join(X,Z)). % 1.72/1.93 0 [] lojo(X,Y,Z)=join(X,meet(Y,Z)). % 1.72/1.93 0 [] join(upme(meet(a,X1),Y1,Z1),meet(Y1,Z1))=meet(join(meet(meet(a,X1),Y1),Z1),join(meet(meet(a,X1),Z1),Y1)). % 1.72/1.93 0 [] upme(X,Y,Z)=join(upme(X,Y,meet(a,Z)),upme(X,Z,meet(a,Y))). % 1.72/1.93 0 [] upme(a,x2,y2)=upme(a,x2,z2). % 1.72/1.93 0 [] upme(a,x2,y2)=upme(a,y2,z2). % 1.72/1.93 0 [] upjo(x2,y2,z2)!=lojo(x2,y2,z2). % 1.72/1.93 end_of_list. % 1.72/1.93 % 1.72/1.93 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1. % 1.72/1.93 % 1.72/1.93 All clauses are units, and equality is present; the % 1.72/1.93 strategy will be Knuth-Bendix with positive clauses in sos. % 1.72/1.93 % 1.72/1.93 dependent: set(knuth_bendix). % 1.72/1.93 dependent: set(anl_eq). % 1.72/1.93 dependent: set(para_from). % 1.72/1.93 dependent: set(para_into). % 1.72/1.93 dependent: clear(para_from_right). % 1.72/1.93 dependent: clear(para_into_right). % 1.72/1.93 dependent: set(para_from_vars). % 1.72/1.93 dependent: set(eq_units_both_ways). % 1.72/1.93 dependent: set(dynamic_demod_all). % 1.72/1.93 dependent: set(dynamic_demod). % 1.72/1.93 dependent: set(order_eq). % 1.72/1.93 dependent: set(back_demod). % 1.72/1.93 dependent: set(lrpo). % 1.72/1.93 % 1.72/1.93 ------------> process usable: % 1.72/1.93 ** KEPT (pick-wt=9): 1 [] upjo(x2,y2,z2)!=lojo(x2,y2,z2). % 1.72/1.93 % 1.72/1.93 ------------> process sos: % 1.72/1.93 ** KEPT (pick-wt=3): 2 [] A=A. % 1.72/1.93 ** KEPT (pick-wt=7): 3 [] meet(A,B)=meet(B,A). % 1.72/1.93 ** KEPT (pick-wt=11): 5 [copy,4,flip.1] meet(meet(A,B),C)=meet(A,meet(B,C)). % 1.72/1.93 ---> New Demodulator: 6 [new_demod,5] meet(meet(A,B),C)=meet(A,meet(B,C)). % 1.72/1.93 ** KEPT (pick-wt=7): 7 [] join(A,B)=join(B,A). % 1.72/1.93 ** KEPT (pick-wt=11): 9 [copy,8,flip.1] join(join(A,B),C)=join(A,join(B,C)). % 1.72/1.93 ---> New Demodulator: 10 [new_demod,9] join(join(A,B),C)=join(A,join(B,C)). % 1.72/1.93 ** KEPT (pick-wt=7): 11 [] join(A,meet(A,B))=A. % 1.72/1.93 ---> New Demodulator: 12 [new_demod,11] join(A,meet(A,B))=A. % 1.72/1.93 ** KEPT (pick-wt=7): 13 [] meet(A,join(A,B))=A. % 1.72/1.93 ---> New Demodulator: 14 [new_demod,13] meet(A,join(A,B))=A. % 1.72/1.93 ** KEPT (pick-wt=10): 16 [copy,15,flip.1] meet(A,join(B,C))=upme(A,B,C). % 1.72/1.93 ---> New Demodulator: 17 [new_demod,16] meet(A,join(B,C))=upme(A,B,C). % 1.72/1.93 ** KEPT (pick-wt=12): 19 [copy,18,flip.1] join(meet(A,B),meet(A,C))=lome(A,B,C). % 1.72/1.93 ---> New Demodulator: 20 [new_demod,19] join(meet(A,B),meet(A,C))=lome(A,B,C). % 1.72/1.93 ** KEPT (pick-wt=11): 22 [copy,21,demod,17,flip.1] upme(join(A,B),A,C)=upjo(A,B,C). % 1.72/1.93 ---> New Demodulator: 23 [new_demod,22] upme(join(A,B),A,C)=upjo(A,B,C). % 1.72/1.93 ** KEPT (pick-wt=10): 25 [copy,24,flip.1] join(A,meet(B,C))=lojo(A,B,C). % 1.72/1.93 ---> New Demodulator: 26 [new_demod,25] join(A,meet(B,C))=lojo(A,B,C). % 1.72/1.93 ** KEPT (pick-wt=24): 28 [copy,27,demod,26,6,6,17,flip.1] upme(join(meet(a,meet(A,B)),C),meet(a,meet(A,C)),B)=lojo(upme(meet(a,A),B,C),B,C). % 1.72/1.93 ---> New Demodulator: 29 [new_demod,28] upme(join(meet(a,meet(A,B)),C),meet(a,meet(A,C)),B)=lojo(upme(meet(a,A),B,C),B,C). % 1.72/1.93 ** KEPT (pick-wt=18): 31 [copy,30,flip.1] join(upme(A,B,meet(a,C)),upme(A,C,meet(a,B)))=upme(A,B,C). % 1.72/1.93 ---> New Demodulator: 32 [new_demod,31] join(upme(A,B,meet(a,C)),upme(A,C,meet(a,B)))=upme(A,B,C). % 1.72/1.93 ** KEPT (pick-wt=9): 34 [copy,33,flip.1] upme(a,x2,z2)=upme(a,x2,y2). % 1.72/1.93 ---> New Demodulator: 35 [new_demod,34] upme(a,x2,z2)=upme(a,x2,y2). % 1.72/1.93 ** KEPT (pick-wt=9): 37 [copy,36,flip.1] upme(a,y2,z2)=upme(a,x2,y2). % 1.72/1.93 ---> New Demodulator: 38 [new_demod,37] upme(a,y2,z2)=upme(a,x2,y2). % 1.72/1.93 Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A. % 1.76/1.97 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] meet(A,B)=meet(B,A). % 1.76/1.97 >>>> Starting back demodulation with 6. % 1.76/1.97 Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] join(A,B)=join(B,A). % 1.76/1.97 >>>> Starting back demodulation with 10. % 1.76/1.97 >>>> Starting back demodulation with 12. % 1.76/1.97 >>>> Starting back demodulation with 14. % 1.76/1.97 >>>> Starting back demodulation with 17. % 1.76/1.97 >> back demodulating 13 with 17. % 1.76/1.97 >>>> Starting back demodulation with 20. % 1.76/1.97 >>>> Starting back demodulation with 23. % 1.76/1.97 >>>> Starting back demodulation with 26. % 1.76/1.97 >> back demodulating 19 with 26. % 1.76/1.97 >> back demodulating 11 with 26. % 1.76/1.97 >>>> Starting back demodulation with 29. % 1.76/1.97 >>>> Starting back demodulation with 32. % 1.76/1.97 >>>> Starting back demodulation with 35. % 1.76/1.97 >>>> Starting back demodulation with 38. % 1.76/1.97 >>>> Starting back demodulation with 40. % 1.76/1.97 ** KEPT (pick-wt=11): 44 [copy,41,flip.1] lome(A,B,C)=lojo(meet(A,B),A,C). % 1.76/1.97 >>>> Starting back demodulation with 43. % 1.76/1.97 Following clause subsumed by 41 during input processing: 0 [copy,44,flip.1] lojo(meet(A,B),A,C)=lome(A,B,C). % 1.76/1.97 % 1.76/1.97 ======= end of input processing ======= % 1.76/1.97 % 1.76/1.97 =========== start of search =========== % 1.76/1.97 % 1.76/1.97 % 1.76/1.97 Resetting weight limit to 11. % 1.76/1.97 % 1.76/1.97 % 1.76/1.97 Resetting weight limit to 11. % 1.76/1.97 % 1.76/1.97 sos_size=360 % 1.76/1.97 % 1.76/1.97 % 1.76/1.97 Resetting weight limit to 9. % 1.76/1.97 % 1.76/1.97 % 1.76/1.97 Resetting weight limit to 9. % 1.76/1.97 % 1.76/1.97 sos_size=11 % 1.76/1.97 % 1.76/1.97 Search stopped because sos empty. % 1.76/1.97 % 1.76/1.97 % 1.76/1.97 Search stopped because sos empty. % 1.76/1.97 % 1.76/1.97 ============ end of search ============ % 1.76/1.97 % 1.76/1.97 -------------- statistics ------------- % 1.76/1.97 clauses given 127 % 1.76/1.97 clauses generated 2927 % 1.76/1.97 clauses kept 1023 % 1.76/1.97 clauses forward subsumed 2320 % 1.76/1.97 clauses back subsumed 14 % 1.76/1.97 Kbytes malloced 4882 % 1.76/1.97 % 1.76/1.97 ----------- times (seconds) ----------- % 1.76/1.97 user CPU time 0.04 (0 hr, 0 min, 0 sec) % 1.76/1.97 system CPU time 0.00 (0 hr, 0 min, 0 sec) % 1.76/1.97 wall-clock time 2 (0 hr, 0 min, 2 sec) % 1.76/1.97 % 1.76/1.97 Process 7963 finished Wed Jul 27 08:27:28 2022 % 1.76/1.97 Otter interrupted % 1.76/1.97 PROOF NOT FOUND %------------------------------------------------------------------------------