%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : LDA005-2 : TPTP v8.1.0. Bugfixed v2.6.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n006.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 5.72s 5.96s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.11/0.11 % Problem : LDA005-2 : TPTP v8.1.0. Bugfixed v2.6.0. % 0.11/0.12 % Command : otter-tptp-script %s % 0.12/0.33 % Computer : n006.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 % 0.12/0.33 % CPULimit : 300 % 0.12/0.33 % WCLimit : 300 % 0.12/0.33 % DateTime : Wed Jul 27 02:03:32 EDT 2022 % 0.12/0.33 % CPUTime : % 1.82/2.05 ----- Otter 3.3f, August 2004 ----- % 1.82/2.05 The process was started by sandbox2 on n006.cluster.edu, % 1.82/2.05 Wed Jul 27 02:03:32 2022 % 1.82/2.05 The command was "./otter". The process ID is 835. % 1.82/2.05 % 1.82/2.05 set(prolog_style_variables). % 1.82/2.05 set(auto). % 1.82/2.05 dependent: set(auto1). % 1.82/2.05 dependent: set(process_input). % 1.82/2.05 dependent: clear(print_kept). % 1.82/2.05 dependent: clear(print_new_demod). % 1.82/2.05 dependent: clear(print_back_demod). % 1.82/2.05 dependent: clear(print_back_sub). % 1.82/2.05 dependent: set(control_memory). % 1.82/2.05 dependent: assign(max_mem, 12000). % 1.82/2.05 dependent: assign(pick_given_ratio, 4). % 1.82/2.05 dependent: assign(stats_level, 1). % 1.82/2.05 dependent: assign(max_seconds, 10800). % 1.82/2.05 clear(print_given). % 1.82/2.05 % 1.82/2.05 list(usable). % 1.82/2.05 0 [] A=A. % 1.82/2.05 0 [] f(X,f(Y,Z))=f(f(X,Y),f(X,Z)). % 1.82/2.05 0 [] a(X,a(Y,Z))=a(f(X,Y),a(X,Z)). % 1.82/2.05 0 [] critical_point(f(U,V))=a(U,critical_point(V)). % 1.82/2.05 0 [] -less(X,X). % 1.82/2.05 0 [] -less(X,Y)|less(a(U,X),a(U,Y)). % 1.82/2.05 0 [] X=a(U,X)|less(X,a(U,X)). % 1.82/2.05 0 [] -less(X,critical_point(U))|a(U,X)=X. % 1.82/2.05 0 [] less(X,critical_point(U))|less(X,a(U,X)). % 1.82/2.05 0 [] a(U,X)!=X|a(f(V,U),X)=X. % 1.82/2.05 0 [] tt=f(t,t). % 1.82/2.05 0 [] st=f(s,t). % 1.82/2.05 0 [] ts=f(t,s). % 1.82/2.05 0 [] k=critical_point(t). % 1.82/2.05 0 [] sk=f(s,k). % 1.82/2.05 0 [] tk=f(t,k). % 1.82/2.05 0 [] stk=f(st,k). % 1.82/2.05 0 [] tsk=f(ts,k). % 1.82/2.05 0 [] -less(f(tt,tsk),f(t,tsk)). % 1.82/2.05 end_of_list. % 1.82/2.05 % 1.82/2.05 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=2. % 1.82/2.05 % 1.82/2.05 This ia a non-Horn set with equality. The strategy will be % 1.82/2.05 Knuth-Bendix, ordered hyper_res, factoring, and unit % 1.82/2.05 deletion, with positive clauses in sos and nonpositive % 1.82/2.05 clauses in usable. % 1.82/2.05 % 1.82/2.05 dependent: set(knuth_bendix). % 1.82/2.05 dependent: set(anl_eq). % 1.82/2.05 dependent: set(para_from). % 1.82/2.05 dependent: set(para_into). % 1.82/2.05 dependent: clear(para_from_right). % 1.82/2.05 dependent: clear(para_into_right). % 1.82/2.05 dependent: set(para_from_vars). % 1.82/2.05 dependent: set(eq_units_both_ways). % 1.82/2.05 dependent: set(dynamic_demod_all). % 1.82/2.05 dependent: set(dynamic_demod). % 1.82/2.05 dependent: set(order_eq). % 1.82/2.05 dependent: set(back_demod). % 1.82/2.05 dependent: set(lrpo). % 1.82/2.05 dependent: set(hyper_res). % 1.82/2.05 dependent: set(unit_deletion). % 1.82/2.05 dependent: set(factor). % 1.82/2.05 % 1.82/2.05 ------------> process usable: % 1.82/2.05 ** KEPT (pick-wt=3): 1 [] -less(A,A). % 1.82/2.05 ** KEPT (pick-wt=10): 2 [] -less(A,B)|less(a(C,A),a(C,B)). % 1.82/2.05 ** KEPT (pick-wt=9): 3 [] -less(A,critical_point(B))|a(B,A)=A. % 1.82/2.05 ** KEPT (pick-wt=12): 4 [] a(A,B)!=B|a(f(C,A),B)=B. % 1.82/2.05 ** KEPT (pick-wt=7): 5 [] -less(f(tt,tsk),f(t,tsk)). % 1.82/2.05 % 1.82/2.05 ------------> process sos: % 1.82/2.05 ** KEPT (pick-wt=3): 6 [] A=A. % 1.82/2.05 ** KEPT (pick-wt=13): 8 [copy,7,flip.1] f(f(A,B),f(A,C))=f(A,f(B,C)). % 1.82/2.05 ---> New Demodulator: 9 [new_demod,8] f(f(A,B),f(A,C))=f(A,f(B,C)). % 1.82/2.05 ** KEPT (pick-wt=13): 11 [copy,10,flip.1] a(f(A,B),a(A,C))=a(A,a(B,C)). % 1.82/2.05 ---> New Demodulator: 12 [new_demod,11] a(f(A,B),a(A,C))=a(A,a(B,C)). % 1.82/2.05 ** KEPT (pick-wt=9): 13 [] critical_point(f(A,B))=a(A,critical_point(B)). % 1.82/2.05 ---> New Demodulator: 14 [new_demod,13] critical_point(f(A,B))=a(A,critical_point(B)). % 1.82/2.05 ** KEPT (pick-wt=10): 16 [copy,15,flip.1] a(A,B)=B|less(B,a(A,B)). % 1.82/2.05 ** KEPT (pick-wt=9): 17 [] less(A,critical_point(B))|less(A,a(B,A)). % 1.82/2.05 ** KEPT (pick-wt=5): 19 [copy,18,flip.1] f(t,t)=tt. % 1.82/2.05 ---> New Demodulator: 20 [new_demod,19] f(t,t)=tt. % 1.82/2.05 ** KEPT (pick-wt=5): 22 [copy,21,flip.1] f(s,t)=st. % 1.82/2.05 ---> New Demodulator: 23 [new_demod,22] f(s,t)=st. % 1.82/2.05 ** KEPT (pick-wt=5): 25 [copy,24,flip.1] f(t,s)=ts. % 1.82/2.05 ---> New Demodulator: 26 [new_demod,25] f(t,s)=ts. % 1.82/2.05 ** KEPT (pick-wt=4): 28 [copy,27,flip.1] critical_point(t)=k. % 1.82/2.05 ---> New Demodulator: 29 [new_demod,28] critical_point(t)=k. % 1.82/2.05 ** KEPT (pick-wt=5): 31 [copy,30,flip.1] f(s,k)=sk. % 1.82/2.05 ---> New Demodulator: 32 [new_demod,31] f(s,k)=sk. % 1.82/2.05 ** KEPT (pick-wt=5): 34 [copy,33,flip.1] f(t,k)=tk. % 1.82/2.05 ---> New Demodulator: 35 [new_demod,34] f(t,k)=tk. % 1.82/2.05 ** KEPT (pick-wt=5): 37 [copy,36,flip.1] f(st,k)=stk. % 1.82/2.05 ---> New Demodulator: 38 [new_demod,37] f(st,k)=stk. % 1.82/2.05 ** KEPT (pick-wt=5): 40 [copy,39,flip.1] f(ts,k)=tsk. % 1.82/2.05 ---> New Demodulator: 41 [new_demod,40] f(ts,k)=tsk. % 1.82/2.05 Following clause subsumed by 6 during input processing: 0 [copy,6,flip.1] A=A. % 1.82/2.05 >>>> Starting back demodulation with 9. % 1.82/2.05 >>>> Starting back demodulation with 12. % 1.82/2.05 >>>> Starting back demodulation with 14. % 1.82/2.05 >>>> Starting back demodulation with 20. % 1.82/2.05 >>>> Starting back demodulation with 23. % 1.82/2.05 >>>> Starting back demodulation with 26. % 1.82/2.05 >>>> Starting back demodulation with 29. % 1.82/2.05 >>>> Starting back demodulation with 32. % 5.72/5.96 >>>> Starting back demodulation with 35. % 5.72/5.96 >>>> Starting back demodulation with 38. % 5.72/5.96 >>>> Starting back demodulation with 41. % 5.72/5.96 % 5.72/5.96 ======= end of input processing ======= % 5.72/5.96 % 5.72/5.96 =========== start of search =========== % 5.72/5.96 % 5.72/5.96 % 5.72/5.96 Resetting weight limit to 11. % 5.72/5.96 % 5.72/5.96 % 5.72/5.96 Resetting weight limit to 11. % 5.72/5.96 % 5.72/5.96 sos_size=793 % 5.72/5.96 % 5.72/5.96 Search stopped because sos empty. % 5.72/5.96 % 5.72/5.96 % 5.72/5.96 Search stopped because sos empty. % 5.72/5.96 % 5.72/5.96 ============ end of search ============ % 5.72/5.96 % 5.72/5.96 -------------- statistics ------------- % 5.72/5.96 clauses given 1415 % 5.72/5.96 clauses generated 406540 % 5.72/5.96 clauses kept 1708 % 5.72/5.96 clauses forward subsumed 23696 % 5.72/5.96 clauses back subsumed 361 % 5.72/5.96 Kbytes malloced 7812 % 5.72/5.96 % 5.72/5.96 ----------- times (seconds) ----------- % 5.72/5.96 user CPU time 3.89 (0 hr, 0 min, 3 sec) % 5.72/5.96 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 5.72/5.96 wall-clock time 5 (0 hr, 0 min, 5 sec) % 5.72/5.96 % 5.72/5.96 Process 835 finished Wed Jul 27 02:03:37 2022 % 5.72/5.96 Otter interrupted % 5.72/5.96 PROOF NOT FOUND %------------------------------------------------------------------------------