%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : REL040-4 : TPTP v8.1.0. Released v4.0.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n023.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 13:11:57 EDT 2022 % Result : Unknown 2.06s 2.26s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.03/0.12 % Problem : REL040-4 : TPTP v8.1.0. Released v4.0.0. % 0.03/0.12 % Command : otter-tptp-script %s % 0.13/0.33 % Computer : n023.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 % 0.13/0.34 % CPULimit : 300 % 0.13/0.34 % WCLimit : 300 % 0.13/0.34 % DateTime : Wed Jul 27 10:27:33 EDT 2022 % 0.13/0.34 % CPUTime : % 1.56/2.15 ----- Otter 3.3f, August 2004 ----- % 1.56/2.15 The process was started by sandbox on n023.cluster.edu, % 1.56/2.15 Wed Jul 27 10:27:33 2022 % 1.56/2.15 The command was "./otter". The process ID is 20474. % 1.56/2.15 % 1.56/2.15 set(prolog_style_variables). % 1.56/2.15 set(auto). % 1.56/2.15 dependent: set(auto1). % 1.56/2.15 dependent: set(process_input). % 1.56/2.15 dependent: clear(print_kept). % 1.56/2.15 dependent: clear(print_new_demod). % 1.56/2.15 dependent: clear(print_back_demod). % 1.56/2.15 dependent: clear(print_back_sub). % 1.56/2.15 dependent: set(control_memory). % 1.56/2.15 dependent: assign(max_mem, 12000). % 1.56/2.15 dependent: assign(pick_given_ratio, 4). % 1.56/2.15 dependent: assign(stats_level, 1). % 1.56/2.15 dependent: assign(max_seconds, 10800). % 1.56/2.15 clear(print_given). % 1.56/2.15 % 1.56/2.15 list(usable). % 1.56/2.15 0 [] A=A. % 1.56/2.15 0 [] join(A,B)=join(B,A). % 1.56/2.15 0 [] join(A,join(B,C))=join(join(A,B),C). % 1.56/2.15 0 [] A=join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))). % 1.56/2.15 0 [] meet(A,B)=complement(join(complement(A),complement(B))). % 1.56/2.15 0 [] composition(A,composition(B,C))=composition(composition(A,B),C). % 1.56/2.15 0 [] composition(A,one)=A. % 1.56/2.15 0 [] composition(join(A,B),C)=join(composition(A,C),composition(B,C)). % 1.99/2.15 0 [] converse(converse(A))=A. % 1.99/2.15 0 [] converse(join(A,B))=join(converse(A),converse(B)). % 1.99/2.15 0 [] converse(composition(A,B))=composition(converse(B),converse(A)). % 1.99/2.15 0 [] join(composition(converse(A),complement(composition(A,B))),complement(B))=complement(B). % 1.99/2.15 0 [] top=join(A,complement(A)). % 1.99/2.15 0 [] zero=meet(A,complement(A)). % 1.99/2.15 0 [] join(meet(composition(A,B),C),composition(meet(A,composition(C,converse(B))),meet(B,composition(converse(A),C))))=composition(meet(A,composition(C,converse(B))),meet(B,composition(converse(A),C))). % 1.99/2.15 0 [] join(meet(composition(A,B),C),meet(composition(A,meet(B,composition(converse(A),C))),C))=meet(composition(A,meet(B,composition(converse(A),C))),C). % 1.99/2.15 0 [] join(meet(composition(A,B),C),meet(composition(meet(A,composition(C,converse(B))),B),C))=meet(composition(meet(A,composition(C,converse(B))),B),C). % 1.99/2.15 0 [] join(composition(converse(sk1),sk1),one)=one. % 1.99/2.15 0 [] join(composition(sk1,meet(sk2,sk3)),meet(composition(sk1,sk2),composition(sk1,sk3)))!=meet(composition(sk1,sk2),composition(sk1,sk3))|join(meet(composition(sk1,sk2),composition(sk1,sk3)),composition(sk1,meet(sk2,sk3)))!=composition(sk1,meet(sk2,sk3)). % 1.99/2.15 end_of_list. % 1.99/2.15 % 1.99/2.15 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=2. % 1.99/2.15 % 1.99/2.15 This is a Horn set with equality. The strategy will be % 1.99/2.15 Knuth-Bendix and hyper_res, with positive clauses in % 1.99/2.15 sos and nonpositive clauses in usable. % 1.99/2.15 % 1.99/2.15 dependent: set(knuth_bendix). % 1.99/2.15 dependent: set(anl_eq). % 1.99/2.15 dependent: set(para_from). % 1.99/2.15 dependent: set(para_into). % 1.99/2.15 dependent: clear(para_from_right). % 1.99/2.15 dependent: clear(para_into_right). % 1.99/2.15 dependent: set(para_from_vars). % 1.99/2.15 dependent: set(eq_units_both_ways). % 1.99/2.15 dependent: set(dynamic_demod_all). % 1.99/2.15 dependent: set(dynamic_demod). % 1.99/2.15 dependent: set(order_eq). % 1.99/2.15 dependent: set(back_demod). % 1.99/2.15 dependent: set(lrpo). % 1.99/2.15 dependent: set(hyper_res). % 1.99/2.15 dependent: clear(order_hyper). % 1.99/2.15 % 1.99/2.15 ------------> process usable: % 1.99/2.15 ** KEPT (pick-wt=40): 1 [] join(composition(sk1,meet(sk2,sk3)),meet(composition(sk1,sk2),composition(sk1,sk3)))!=meet(composition(sk1,sk2),composition(sk1,sk3))|join(meet(composition(sk1,sk2),composition(sk1,sk3)),composition(sk1,meet(sk2,sk3)))!=composition(sk1,meet(sk2,sk3)). % 1.99/2.15 % 1.99/2.15 ------------> process sos: % 1.99/2.15 ** KEPT (pick-wt=3): 2 [] A=A. % 1.99/2.15 ** KEPT (pick-wt=7): 3 [] join(A,B)=join(B,A). % 1.99/2.15 ** KEPT (pick-wt=11): 5 [copy,4,flip.1] join(join(A,B),C)=join(A,join(B,C)). % 1.99/2.15 ---> New Demodulator: 6 [new_demod,5] join(join(A,B),C)=join(A,join(B,C)). % 1.99/2.15 ** KEPT (pick-wt=14): 8 [copy,7,flip.1] join(complement(join(complement(A),complement(B))),complement(join(complement(A),B)))=A. % 1.99/2.15 ---> New Demodulator: 9 [new_demod,8] join(complement(join(complement(A),complement(B))),complement(join(complement(A),B)))=A. % 1.99/2.15 ** KEPT (pick-wt=10): 11 [copy,10,flip.1] complement(join(complement(A),complement(B)))=meet(A,B). % 1.99/2.15 ---> New Demodulator: 12 [new_demod,11] complement(join(complement(A),complement(B)))=meet(A,B). % 1.99/2.15 ** KEPT (pick-wt=11): 14 [copy,13,flip.1] composition(composition(A,B),C)=composition(A,composition(B,C)). % 1.99/2.15 ---> New Demodulator: 15 [new_demod,14] composition(composition(A,B),C)=composition(A,composition(B,C)). % 2.06/2.26 ** KEPT (pick-wt=5): 16 [] composition(A,one)=A. % 2.06/2.26 ---> New Demodulator: 17 [new_demod,16] composition(A,one)=A. % 2.06/2.26 ** KEPT (pick-wt=13): 19 [copy,18,flip.1] join(composition(A,B),composition(C,B))=composition(join(A,C),B). % 2.06/2.26 ---> New Demodulator: 20 [new_demod,19] join(composition(A,B),composition(C,B))=composition(join(A,C),B). % 2.06/2.26 ** KEPT (pick-wt=5): 21 [] converse(converse(A))=A. % 2.06/2.26 ---> New Demodulator: 22 [new_demod,21] converse(converse(A))=A. % 2.06/2.26 ** KEPT (pick-wt=10): 23 [] converse(join(A,B))=join(converse(A),converse(B)). % 2.06/2.26 ---> New Demodulator: 24 [new_demod,23] converse(join(A,B))=join(converse(A),converse(B)). % 2.06/2.26 ** KEPT (pick-wt=10): 25 [] converse(composition(A,B))=composition(converse(B),converse(A)). % 2.06/2.26 ---> New Demodulator: 26 [new_demod,25] converse(composition(A,B))=composition(converse(B),converse(A)). % 2.06/2.26 ** KEPT (pick-wt=13): 27 [] join(composition(converse(A),complement(composition(A,B))),complement(B))=complement(B). % 2.06/2.26 ---> New Demodulator: 28 [new_demod,27] join(composition(converse(A),complement(composition(A,B))),complement(B))=complement(B). % 2.06/2.26 ** KEPT (pick-wt=6): 30 [copy,29,flip.1] join(A,complement(A))=top. % 2.06/2.26 ---> New Demodulator: 31 [new_demod,30] join(A,complement(A))=top. % 2.06/2.26 ** KEPT (pick-wt=6): 33 [copy,32,flip.1] meet(A,complement(A))=zero. % 2.06/2.26 ---> New Demodulator: 34 [new_demod,33] meet(A,complement(A))=zero. % 2.06/2.26 ** KEPT (pick-wt=33): 35 [] join(meet(composition(A,B),C),composition(meet(A,composition(C,converse(B))),meet(B,composition(converse(A),C))))=composition(meet(A,composition(C,converse(B))),meet(B,composition(converse(A),C))). % 2.06/2.26 ---> New Demodulator: 36 [new_demod,35] join(meet(composition(A,B),C),composition(meet(A,composition(C,converse(B))),meet(B,composition(converse(A),C))))=composition(meet(A,composition(C,converse(B))),meet(B,composition(converse(A),C))). % 2.06/2.26 ** KEPT (pick-wt=27): 37 [] join(meet(composition(A,B),C),meet(composition(A,meet(B,composition(converse(A),C))),C))=meet(composition(A,meet(B,composition(converse(A),C))),C). % 2.06/2.26 ---> New Demodulator: 38 [new_demod,37] join(meet(composition(A,B),C),meet(composition(A,meet(B,composition(converse(A),C))),C))=meet(composition(A,meet(B,composition(converse(A),C))),C). % 2.06/2.26 ** KEPT (pick-wt=27): 39 [] join(meet(composition(A,B),C),meet(composition(meet(A,composition(C,converse(B))),B),C))=meet(composition(meet(A,composition(C,converse(B))),B),C). % 2.06/2.26 ---> New Demodulator: 40 [new_demod,39] join(meet(composition(A,B),C),meet(composition(meet(A,composition(C,converse(B))),B),C))=meet(composition(meet(A,composition(C,converse(B))),B),C). % 2.06/2.26 ** KEPT (pick-wt=8): 41 [] join(composition(converse(sk1),sk1),one)=one. % 2.06/2.26 ---> New Demodulator: 42 [new_demod,41] join(composition(converse(sk1),sk1),one)=one. % 2.06/2.26 Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A. % 2.06/2.26 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] join(A,B)=join(B,A). % 2.06/2.26 >>>> Starting back demodulation with 6. % 2.06/2.26 >>>> Starting back demodulation with 9. % 2.06/2.26 >>>> Starting back demodulation with 12. % 2.06/2.26 >> back demodulating 8 with 12. % 2.06/2.26 >>>> Starting back demodulation with 15. % 2.06/2.26 >>>> Starting back demodulation with 17. % 2.06/2.26 >>>> Starting back demodulation with 20. % 2.06/2.26 >>>> Starting back demodulation with 22. % 2.06/2.26 >>>> Starting back demodulation with 24. % 2.06/2.26 >>>> Starting back demodulation with 26. % 2.06/2.26 >>>> Starting back demodulation with 28. % 2.06/2.26 >>>> Starting back demodulation with 31. % 2.06/2.26 >>>> Starting back demodulation with 34. % 2.06/2.26 >>>> Starting back demodulation with 36. % 2.06/2.26 >>>> Starting back demodulation with 38. % 2.06/2.26 >>>> Starting back demodulation with 40. % 2.06/2.26 >>>> Starting back demodulation with 42. % 2.06/2.26 >>>> Starting back demodulation with 44. % 2.06/2.26 % 2.06/2.26 ======= end of input processing ======= % 2.06/2.26 % 2.06/2.26 =========== start of search =========== % 2.06/2.26 % 2.06/2.26 % 2.06/2.26 Resetting weight limit to 9. % 2.06/2.26 % 2.06/2.26 % 2.06/2.26 Resetting weight limit to 9. % 2.06/2.26 % 2.06/2.26 sos_size=111 % 2.06/2.26 % 2.06/2.26 % 2.06/2.26 Resetting weight limit to 8. % 2.06/2.26 % 2.06/2.26 % 2.06/2.26 Resetting weight limit to 8. % 2.06/2.26 % 2.06/2.26 sos_size=73 % 2.06/2.26 % 2.06/2.26 Search stopped because sos empty. % 2.06/2.26 % 2.06/2.26 % 2.06/2.26 Search stopped because sos empty. % 2.06/2.26 % 2.06/2.26 ============ end of search ============ % 2.06/2.26 % 2.06/2.26 -------------- statistics ------------- % 2.06/2.26 clauses given 213 % 2.06/2.26 clauses generated 8005 % 2.06/2.26 clauses kept 333 % 2.06/2.26 clauses forward subsumed 3343 % 2.06/2.26 clauses back subsumed 0 % 2.06/2.26 Kbytes malloced 6835 % 2.06/2.26 % 2.06/2.26 ----------- times (seconds) ----------- % 2.06/2.26 user CPU time 0.11 (0 hr, 0 min, 0 sec) % 2.06/2.26 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 2.06/2.26 wall-clock time 2 (0 hr, 0 min, 2 sec) % 2.06/2.26 % 2.06/2.26 Process 20474 finished Wed Jul 27 10:27:35 2022 % 2.06/2.26 Otter interrupted % 2.06/2.26 PROOF NOT FOUND %------------------------------------------------------------------------------