%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : LDA006-2 : TPTP v8.1.0. Bugfixed v2.6.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n015.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 13:05:48 EDT 2022 % Result : Unknown 6.10s 6.28s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.12/0.12 % Problem : LDA006-2 : TPTP v8.1.0. Bugfixed v2.6.0. % 0.12/0.13 % Command : otter-tptp-script %s % 0.12/0.34 % Computer : n015.cluster.edu % 0.12/0.34 % Model : x86_64 x86_64 % 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.12/0.34 % Memory : 8042.1875MB % 0.12/0.34 % 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 02:14:41 EDT 2022 % 0.12/0.34 % CPUTime : % 1.63/2.20 ----- Otter 3.3f, August 2004 ----- % 1.63/2.20 The process was started by sandbox2 on n015.cluster.edu, % 1.63/2.20 Wed Jul 27 02:14:41 2022 % 1.63/2.20 The command was "./otter". The process ID is 16180. % 1.63/2.20 % 1.63/2.20 set(prolog_style_variables). % 1.63/2.20 set(auto). % 1.63/2.20 dependent: set(auto1). % 1.63/2.20 dependent: set(process_input). % 1.63/2.20 dependent: clear(print_kept). % 1.63/2.20 dependent: clear(print_new_demod). % 1.63/2.20 dependent: clear(print_back_demod). % 1.63/2.20 dependent: clear(print_back_sub). % 1.63/2.20 dependent: set(control_memory). % 1.63/2.20 dependent: assign(max_mem, 12000). % 1.63/2.20 dependent: assign(pick_given_ratio, 4). % 1.63/2.20 dependent: assign(stats_level, 1). % 1.63/2.20 dependent: assign(max_seconds, 10800). % 1.63/2.20 clear(print_given). % 1.63/2.20 % 1.63/2.20 list(usable). % 1.63/2.20 0 [] A=A. % 1.63/2.20 0 [] f(X,f(Y,Z))=f(f(X,Y),f(X,Z)). % 1.63/2.20 0 [] a(X,a(Y,Z))=a(f(X,Y),a(X,Z)). % 1.63/2.20 0 [] critical_point(f(U,V))=a(U,critical_point(V)). % 1.63/2.20 0 [] -less(X,X). % 1.63/2.20 0 [] -less(X,Y)|less(a(U,X),a(U,Y)). % 1.63/2.20 0 [] X=a(U,X)|less(X,a(U,X)). % 1.63/2.20 0 [] -less(X,critical_point(U))|a(U,X)=X. % 1.63/2.20 0 [] less(X,critical_point(U))|less(X,a(U,X)). % 1.63/2.20 0 [] a(U,X)!=X|a(f(V,U),X)=X. % 1.63/2.20 0 [] tt=f(t,t). % 1.63/2.20 0 [] st=f(s,t). % 1.63/2.20 0 [] ts=f(t,s). % 1.63/2.20 0 [] k=critical_point(t). % 1.63/2.20 0 [] sk=f(s,k). % 1.63/2.20 0 [] tk=f(t,k). % 1.63/2.20 0 [] stk=f(st,k). % 1.63/2.20 0 [] tsk=f(ts,k). % 1.63/2.20 0 [] tsk=f(t,skolem). % 1.63/2.20 end_of_list. % 1.63/2.20 % 1.63/2.20 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=2. % 1.63/2.20 % 1.63/2.20 This ia a non-Horn set with equality. The strategy will be % 1.63/2.20 Knuth-Bendix, ordered hyper_res, factoring, and unit % 1.63/2.20 deletion, with positive clauses in sos and nonpositive % 1.63/2.20 clauses in usable. % 1.63/2.20 % 1.63/2.20 dependent: set(knuth_bendix). % 1.63/2.20 dependent: set(anl_eq). % 1.63/2.20 dependent: set(para_from). % 1.63/2.20 dependent: set(para_into). % 1.63/2.20 dependent: clear(para_from_right). % 1.63/2.20 dependent: clear(para_into_right). % 1.63/2.20 dependent: set(para_from_vars). % 1.63/2.20 dependent: set(eq_units_both_ways). % 1.63/2.20 dependent: set(dynamic_demod_all). % 1.63/2.20 dependent: set(dynamic_demod). % 1.63/2.20 dependent: set(order_eq). % 1.63/2.20 dependent: set(back_demod). % 1.63/2.20 dependent: set(lrpo). % 1.63/2.20 dependent: set(hyper_res). % 1.63/2.20 dependent: set(unit_deletion). % 1.63/2.20 dependent: set(factor). % 1.63/2.20 % 1.63/2.20 ------------> process usable: % 1.63/2.20 ** KEPT (pick-wt=3): 1 [] -less(A,A). % 1.63/2.20 ** KEPT (pick-wt=10): 2 [] -less(A,B)|less(a(C,A),a(C,B)). % 1.63/2.20 ** KEPT (pick-wt=9): 3 [] -less(A,critical_point(B))|a(B,A)=A. % 1.63/2.20 ** KEPT (pick-wt=12): 4 [] a(A,B)!=B|a(f(C,A),B)=B. % 1.63/2.20 % 1.63/2.20 ------------> process sos: % 1.63/2.20 ** KEPT (pick-wt=3): 5 [] A=A. % 1.63/2.20 ** KEPT (pick-wt=13): 7 [copy,6,flip.1] f(f(A,B),f(A,C))=f(A,f(B,C)). % 1.63/2.20 ---> New Demodulator: 8 [new_demod,7] f(f(A,B),f(A,C))=f(A,f(B,C)). % 1.63/2.20 ** KEPT (pick-wt=13): 10 [copy,9,flip.1] a(f(A,B),a(A,C))=a(A,a(B,C)). % 1.63/2.20 ---> New Demodulator: 11 [new_demod,10] a(f(A,B),a(A,C))=a(A,a(B,C)). % 1.63/2.20 ** KEPT (pick-wt=9): 12 [] critical_point(f(A,B))=a(A,critical_point(B)). % 1.63/2.20 ---> New Demodulator: 13 [new_demod,12] critical_point(f(A,B))=a(A,critical_point(B)). % 1.63/2.20 ** KEPT (pick-wt=10): 15 [copy,14,flip.1] a(A,B)=B|less(B,a(A,B)). % 1.63/2.20 ** KEPT (pick-wt=9): 16 [] less(A,critical_point(B))|less(A,a(B,A)). % 1.63/2.20 ** KEPT (pick-wt=5): 18 [copy,17,flip.1] f(t,t)=tt. % 1.63/2.20 ---> New Demodulator: 19 [new_demod,18] f(t,t)=tt. % 1.63/2.20 ** KEPT (pick-wt=5): 21 [copy,20,flip.1] f(s,t)=st. % 1.63/2.20 ---> New Demodulator: 22 [new_demod,21] f(s,t)=st. % 1.63/2.20 ** KEPT (pick-wt=5): 24 [copy,23,flip.1] f(t,s)=ts. % 1.63/2.20 ---> New Demodulator: 25 [new_demod,24] f(t,s)=ts. % 1.63/2.20 ** KEPT (pick-wt=4): 27 [copy,26,flip.1] critical_point(t)=k. % 1.63/2.20 ---> New Demodulator: 28 [new_demod,27] critical_point(t)=k. % 1.63/2.20 ** KEPT (pick-wt=5): 30 [copy,29,flip.1] f(s,k)=sk. % 1.63/2.20 ---> New Demodulator: 31 [new_demod,30] f(s,k)=sk. % 1.63/2.20 ** KEPT (pick-wt=5): 33 [copy,32,flip.1] f(t,k)=tk. % 1.63/2.20 ---> New Demodulator: 34 [new_demod,33] f(t,k)=tk. % 1.63/2.20 ** KEPT (pick-wt=5): 36 [copy,35,flip.1] f(st,k)=stk. % 1.63/2.20 ---> New Demodulator: 37 [new_demod,36] f(st,k)=stk. % 1.63/2.20 ** KEPT (pick-wt=5): 39 [copy,38,flip.1] f(ts,k)=tsk. % 1.63/2.20 ---> New Demodulator: 40 [new_demod,39] f(ts,k)=tsk. % 1.63/2.20 ** KEPT (pick-wt=5): 42 [copy,41,flip.1] f(t,skolem)=tsk. % 1.63/2.20 ---> New Demodulator: 43 [new_demod,42] f(t,skolem)=tsk. % 1.63/2.20 Following clause subsumed by 5 during input processing: 0 [copy,5,flip.1] A=A. % 1.63/2.20 >>>> Starting back demodulation with 8. % 1.63/2.20 >>>> Starting back demodulation with 11. % 1.63/2.20 >>>> Starting back demodulation with 13. % 1.63/2.20 >>>> Starting back demodulation with 19. % 1.63/2.20 >>>> Starting back demodulation with 22. % 1.63/2.20 >>>> Starting back demodulation with 25. % 6.10/6.28 >>>> Starting back demodulation with 28. % 6.10/6.28 >>>> Starting back demodulation with 31. % 6.10/6.28 >>>> Starting back demodulation with 34. % 6.10/6.28 >>>> Starting back demodulation with 37. % 6.10/6.28 >>>> Starting back demodulation with 40. % 6.10/6.28 >>>> Starting back demodulation with 43. % 6.10/6.28 % 6.10/6.28 ======= end of input processing ======= % 6.10/6.28 % 6.10/6.28 =========== start of search =========== % 6.10/6.28 % 6.10/6.28 % 6.10/6.28 Resetting weight limit to 11. % 6.10/6.28 % 6.10/6.28 % 6.10/6.28 Resetting weight limit to 11. % 6.10/6.28 % 6.10/6.28 sos_size=861 % 6.10/6.28 % 6.10/6.28 Search stopped because sos empty. % 6.10/6.28 % 6.10/6.28 % 6.10/6.28 Search stopped because sos empty. % 6.10/6.28 % 6.10/6.28 ============ end of search ============ % 6.10/6.28 % 6.10/6.28 -------------- statistics ------------- % 6.10/6.28 clauses given 1575 % 6.10/6.28 clauses generated 436296 % 6.10/6.28 clauses kept 1963 % 6.10/6.28 clauses forward subsumed 24881 % 6.10/6.28 clauses back subsumed 444 % 6.10/6.28 Kbytes malloced 7812 % 6.10/6.28 % 6.10/6.28 ----------- times (seconds) ----------- % 6.10/6.28 user CPU time 4.07 (0 hr, 0 min, 4 sec) % 6.10/6.28 system CPU time 0.00 (0 hr, 0 min, 0 sec) % 6.10/6.28 wall-clock time 6 (0 hr, 0 min, 6 sec) % 6.10/6.28 % 6.10/6.28 Process 16180 finished Wed Jul 27 02:14:47 2022 % 6.10/6.28 Otter interrupted % 6.10/6.28 PROOF NOT FOUND 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