%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : CAT002-2 : TPTP v8.1.0. Released v1.0.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n029.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 12:47:44 EDT 2022 % Result : Unknown 7.00s 7.20s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.03/0.12 % Problem : CAT002-2 : TPTP v8.1.0. Released v1.0.0. % 0.03/0.12 % Command : otter-tptp-script %s % 0.12/0.33 % Computer : n029.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 02:03:14 EDT 2022 % 0.12/0.33 % CPUTime : % 1.58/1.79 ----- Otter 3.3f, August 2004 ----- % 1.58/1.79 The process was started by sandbox2 on n029.cluster.edu, % 1.58/1.79 Wed Jul 27 02:03:14 2022 % 1.58/1.79 The command was "./otter". The process ID is 19872. % 1.58/1.79 % 1.58/1.79 set(prolog_style_variables). % 1.58/1.79 set(auto). % 1.58/1.79 dependent: set(auto1). % 1.58/1.79 dependent: set(process_input). % 1.58/1.79 dependent: clear(print_kept). % 1.58/1.79 dependent: clear(print_new_demod). % 1.58/1.79 dependent: clear(print_back_demod). % 1.58/1.79 dependent: clear(print_back_sub). % 1.58/1.79 dependent: set(control_memory). % 1.58/1.79 dependent: assign(max_mem, 12000). % 1.58/1.79 dependent: assign(pick_given_ratio, 4). % 1.58/1.79 dependent: assign(stats_level, 1). % 1.58/1.79 dependent: assign(max_seconds, 10800). % 1.58/1.79 clear(print_given). % 1.58/1.79 % 1.58/1.79 list(usable). % 1.58/1.79 0 [] A=A. % 1.58/1.79 0 [] codomain(domain(X))=domain(X). % 1.58/1.79 0 [] domain(codomain(X))=codomain(X). % 1.58/1.79 0 [] compose(domain(X),X)=X. % 1.58/1.79 0 [] compose(X,codomain(X))=X. % 1.58/1.79 0 [] codomain(X)!=domain(Y)|domain(compose(X,Y))=domain(X). % 1.58/1.79 0 [] codomain(X)!=domain(Y)|codomain(compose(X,Y))=codomain(Y). % 1.58/1.79 0 [] codomain(X)!=domain(Y)|codomain(Y)!=domain(Z)|compose(X,compose(Y,Z))=compose(compose(X,Y),Z). % 1.58/1.79 0 [] codomain(a)=domain(b). % 1.58/1.79 0 [] codomain(X)!=domain(a)|compose(X,a)!=Y|codomain(Z)!=domain(b)|compose(Z,a)!=Y|X=Z. % 1.58/1.79 0 [] codomain(X)!=domain(a)|compose(X,b)!=Y|codomain(Z)!=domain(b)|compose(Z,b)!=Y|X=Z. % 1.58/1.79 0 [] codomain(h)=domain(compose(a,b)). % 1.58/1.79 0 [] codomain(g)=domain(compose(a,b)). % 1.58/1.79 0 [] compose(h,compose(a,b))=compose(g,compose(a,b)). % 1.58/1.79 0 [] h!=g. % 1.58/1.79 end_of_list. % 1.58/1.79 % 1.58/1.79 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=5. % 1.58/1.79 % 1.58/1.79 This is a Horn set with equality. The strategy will be % 1.58/1.79 Knuth-Bendix and hyper_res, with positive clauses in % 1.58/1.79 sos and nonpositive clauses in usable. % 1.58/1.79 % 1.58/1.79 dependent: set(knuth_bendix). % 1.58/1.79 dependent: set(anl_eq). % 1.58/1.79 dependent: set(para_from). % 1.58/1.79 dependent: set(para_into). % 1.58/1.79 dependent: clear(para_from_right). % 1.58/1.79 dependent: clear(para_into_right). % 1.58/1.79 dependent: set(para_from_vars). % 1.58/1.79 dependent: set(eq_units_both_ways). % 1.58/1.79 dependent: set(dynamic_demod_all). % 1.58/1.79 dependent: set(dynamic_demod). % 1.58/1.79 dependent: set(order_eq). % 1.58/1.79 dependent: set(back_demod). % 1.58/1.79 dependent: set(lrpo). % 1.58/1.79 dependent: set(hyper_res). % 1.58/1.79 dependent: clear(order_hyper). % 1.58/1.79 % 1.58/1.79 ------------> process usable: % 1.58/1.79 ** KEPT (pick-wt=12): 1 [] codomain(A)!=domain(B)|domain(compose(A,B))=domain(A). % 1.58/1.79 ** KEPT (pick-wt=12): 2 [] codomain(A)!=domain(B)|codomain(compose(A,B))=codomain(B). % 1.58/1.79 ** KEPT (pick-wt=21): 4 [copy,3,flip.3] codomain(A)!=domain(B)|codomain(B)!=domain(C)|compose(compose(A,B),C)=compose(A,compose(B,C)). % 1.58/1.79 ** KEPT (pick-wt=23): 5 [] codomain(A)!=domain(a)|compose(A,a)!=B|codomain(C)!=domain(b)|compose(C,a)!=B|A=C. % 1.58/1.79 ** KEPT (pick-wt=23): 6 [] codomain(A)!=domain(a)|compose(A,b)!=B|codomain(C)!=domain(b)|compose(C,b)!=B|A=C. % 1.58/1.79 ** KEPT (pick-wt=3): 7 [] h!=g. % 1.58/1.79 % 1.58/1.79 ------------> process sos: % 1.58/1.79 ** KEPT (pick-wt=3): 8 [] A=A. % 1.58/1.79 ** KEPT (pick-wt=6): 9 [] codomain(domain(A))=domain(A). % 1.58/1.79 ---> New Demodulator: 10 [new_demod,9] codomain(domain(A))=domain(A). % 1.58/1.79 ** KEPT (pick-wt=6): 11 [] domain(codomain(A))=codomain(A). % 1.58/1.79 ---> New Demodulator: 12 [new_demod,11] domain(codomain(A))=codomain(A). % 1.58/1.79 ** KEPT (pick-wt=6): 13 [] compose(domain(A),A)=A. % 1.58/1.79 ---> New Demodulator: 14 [new_demod,13] compose(domain(A),A)=A. % 1.58/1.79 ** KEPT (pick-wt=6): 15 [] compose(A,codomain(A))=A. % 1.58/1.79 ---> New Demodulator: 16 [new_demod,15] compose(A,codomain(A))=A. % 1.58/1.79 ** KEPT (pick-wt=5): 18 [copy,17,flip.1] domain(b)=codomain(a). % 1.58/1.79 ---> New Demodulator: 19 [new_demod,18] domain(b)=codomain(a). % 1.58/1.79 ** KEPT (pick-wt=7): 21 [copy,20,flip.1] domain(compose(a,b))=codomain(h). % 1.58/1.79 ---> New Demodulator: 22 [new_demod,21] domain(compose(a,b))=codomain(h). % 1.58/1.79 ** KEPT (pick-wt=5): 24 [copy,23,demod,22,flip.1] codomain(h)=codomain(g). % 1.58/1.79 ---> New Demodulator: 25 [new_demod,24] codomain(h)=codomain(g). % 1.58/1.79 ** KEPT (pick-wt=11): 26 [] compose(h,compose(a,b))=compose(g,compose(a,b)). % 1.58/1.79 ---> New Demodulator: 27 [new_demod,26] compose(h,compose(a,b))=compose(g,compose(a,b)). % 1.58/1.79 Following clause subsumed by 8 during input processing: 0 [copy,8,flip.1] A=A. % 1.58/1.79 >>>> Starting back demodulation with 10. % 1.58/1.79 >>>> Starting back demodulation with 12. % 1.58/1.79 >>>> Starting back demodulation with 14. % 1.58/1.79 >>>> Starting back demodulation with 16. % 1.58/1.79 >>>> Starting back demodulation with 19. % 1.58/1.79 >> back demodulating 6 with 19. % 7.00/7.20 >> back demodulating 5 with 19. % 7.00/7.20 >>>> Starting back demodulation with 22. % 7.00/7.20 >>>> Starting back demodulation with 25. % 7.00/7.20 >> back demodulating 21 with 25. % 7.00/7.20 >>>> Starting back demodulation with 27. % 7.00/7.20 >>>> Starting back demodulation with 31. % 7.00/7.20 % 7.00/7.20 ======= end of input processing ======= % 7.00/7.20 % 7.00/7.20 =========== start of search =========== % 7.00/7.20 % 7.00/7.20 % 7.00/7.20 Resetting weight limit to 15. % 7.00/7.20 % 7.00/7.20 % 7.00/7.20 Resetting weight limit to 15. % 7.00/7.20 % 7.00/7.20 sos_size=690 % 7.00/7.20 % 7.00/7.20 Search stopped because sos empty. % 7.00/7.20 % 7.00/7.20 % 7.00/7.20 Search stopped because sos empty. % 7.00/7.20 % 7.00/7.20 ============ end of search ============ % 7.00/7.20 % 7.00/7.20 -------------- statistics ------------- % 7.00/7.20 clauses given 806 % 7.00/7.20 clauses generated 682637 % 7.00/7.20 clauses kept 957 % 7.00/7.20 clauses forward subsumed 4696 % 7.00/7.20 clauses back subsumed 9 % 7.00/7.20 Kbytes malloced 6835 % 7.00/7.20 % 7.00/7.20 ----------- times (seconds) ----------- % 7.00/7.20 user CPU time 5.41 (0 hr, 0 min, 5 sec) % 7.00/7.20 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 7.00/7.20 wall-clock time 7 (0 hr, 0 min, 7 sec) % 7.00/7.20 % 7.00/7.20 Process 19872 finished Wed Jul 27 02:03:21 2022 % 7.00/7.20 Otter interrupted % 7.00/7.20 PROOF NOT FOUND %------------------------------------------------------------------------------