%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : MSC014-10 : TPTP v8.1.0. Released v7.5.0. % Transfm : none % Format : tptp:raw % Command : otter-tptp-script %s % Computer : n004.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 13:06:19 EDT 2022 % Result : Unknown 1.83s 2.02s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.10/0.12 % Problem : MSC014-10 : TPTP v8.1.0. Released v7.5.0. % 0.10/0.12 % Command : otter-tptp-script %s % 0.12/0.33 % Computer : n004.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 08:56:06 EDT 2022 % 0.12/0.33 % CPUTime : % 1.74/1.95 ----- Otter 3.3f, August 2004 ----- % 1.74/1.95 The process was started by sandbox on n004.cluster.edu, % 1.74/1.95 Wed Jul 27 08:56:06 2022 % 1.74/1.95 The command was "./otter". The process ID is 7112. % 1.74/1.95 % 1.74/1.95 set(prolog_style_variables). % 1.74/1.95 set(auto). % 1.74/1.95 dependent: set(auto1). % 1.74/1.95 dependent: set(process_input). % 1.74/1.95 dependent: clear(print_kept). % 1.74/1.95 dependent: clear(print_new_demod). % 1.74/1.95 dependent: clear(print_back_demod). % 1.74/1.95 dependent: clear(print_back_sub). % 1.74/1.95 dependent: set(control_memory). % 1.74/1.95 dependent: assign(max_mem, 12000). % 1.74/1.95 dependent: assign(pick_given_ratio, 4). % 1.74/1.95 dependent: assign(stats_level, 1). % 1.74/1.95 dependent: assign(max_seconds, 10800). % 1.74/1.95 clear(print_given). % 1.74/1.95 % 1.74/1.95 list(usable). % 1.74/1.95 0 [] A=A. % 1.74/1.95 0 [] ife_q2(A,A,B,C)=B. % 1.74/1.95 0 [] ife_q(A,A,B,C)=B. % 1.74/1.95 0 [] e_qualish(n0,n0)=true. % 1.74/1.95 0 [] e_qualish(n1,n1)=true. % 1.74/1.95 0 [] ife_q2(e_qualish(X4,X4),true,ife_q2(e_qualish(X3,X3),true,ife_q2(e_qualish(X2,X2),true,ife_q2(e_qualish(X1,X1),true,f(X1,X2,X3,X4,sK1_exists_f_Z(X1,X2,X3,X4)),true),true),true),true)=true. % 1.74/1.95 0 [] ife_q2(f(Y1,Y2,Y3,Y4,Z),true,ife_q2(f(X1,X2,X3,X4,Z),true,e_qualish(X4,Y4),true),true)=true. % 1.74/1.95 0 [] ife_q2(f(Y1,Y2,Y3,Y4,Z),true,ife_q2(f(X1,X2,X3,X4,Z),true,e_qualish(X3,Y3),true),true)=true. % 1.74/1.95 0 [] ife_q2(f(Y1,Y2,Y3,Y4,Z),true,ife_q2(f(X1,X2,X3,X4,Z),true,e_qualish(X2,Y2),true),true)=true. % 1.74/1.95 0 [] ife_q2(f(Y1,Y2,Y3,Y4,Z),true,ife_q2(f(X1,X2,X3,X4,Z),true,e_qualish(X1,Y1),true),true)=true. % 1.74/1.95 0 [] ife_q(e_qualish(n0,n1),true,a,b)=b. % 1.74/1.95 0 [] ife_q(e_qualish(n1,n0),true,a,b)=b. % 1.74/1.95 0 [] a!=b. % 1.74/1.95 end_of_list. % 1.74/1.95 % 1.74/1.95 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1. % 1.74/1.95 % 1.74/1.95 All clauses are units, and equality is present; the % 1.74/1.95 strategy will be Knuth-Bendix with positive clauses in sos. % 1.74/1.95 % 1.74/1.95 dependent: set(knuth_bendix). % 1.74/1.95 dependent: set(anl_eq). % 1.74/1.95 dependent: set(para_from). % 1.74/1.95 dependent: set(para_into). % 1.74/1.95 dependent: clear(para_from_right). % 1.74/1.95 dependent: clear(para_into_right). % 1.74/1.95 dependent: set(para_from_vars). % 1.74/1.95 dependent: set(eq_units_both_ways). % 1.74/1.95 dependent: set(dynamic_demod_all). % 1.74/1.95 dependent: set(dynamic_demod). % 1.74/1.95 dependent: set(order_eq). % 1.74/1.95 dependent: set(back_demod). % 1.74/1.95 dependent: set(lrpo). % 1.74/1.95 % 1.74/1.95 ------------> process usable: % 1.74/1.95 ** KEPT (pick-wt=3): 2 [copy,1,flip.1] b!=a. % 1.74/1.95 % 1.74/1.95 ------------> process sos: % 1.74/1.95 ** KEPT (pick-wt=3): 3 [] A=A. % 1.74/1.95 ** KEPT (pick-wt=7): 4 [] ife_q2(A,A,B,C)=B. % 1.74/1.95 ---> New Demodulator: 5 [new_demod,4] ife_q2(A,A,B,C)=B. % 1.74/1.95 ** KEPT (pick-wt=7): 6 [] ife_q(A,A,B,C)=B. % 1.74/1.95 ---> New Demodulator: 7 [new_demod,6] ife_q(A,A,B,C)=B. % 1.74/1.95 ** KEPT (pick-wt=5): 8 [] e_qualish(n0,n0)=true. % 1.74/1.95 ---> New Demodulator: 9 [new_demod,8] e_qualish(n0,n0)=true. % 1.74/1.95 ** KEPT (pick-wt=5): 10 [] e_qualish(n1,n1)=true. % 1.74/1.95 ---> New Demodulator: 11 [new_demod,10] e_qualish(n1,n1)=true. % 1.74/1.95 ** KEPT (pick-wt=36): 12 [] ife_q2(e_qualish(A,A),true,ife_q2(e_qualish(B,B),true,ife_q2(e_qualish(C,C),true,ife_q2(e_qualish(D,D),true,f(D,C,B,A,sK1_exists_f_Z(D,C,B,A)),true),true),true),true)=true. % 1.74/1.95 ---> New Demodulator: 13 [new_demod,12] ife_q2(e_qualish(A,A),true,ife_q2(e_qualish(B,B),true,ife_q2(e_qualish(C,C),true,ife_q2(e_qualish(D,D),true,f(D,C,B,A,sK1_exists_f_Z(D,C,B,A)),true),true),true),true)=true. % 1.74/1.95 ** KEPT (pick-wt=23): 14 [] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(I,D),true),true)=true. % 1.74/1.95 ---> New Demodulator: 15 [new_demod,14] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(I,D),true),true)=true. % 1.74/1.95 ** KEPT (pick-wt=23): 16 [] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(H,C),true),true)=true. % 1.74/1.95 ---> New Demodulator: 17 [new_demod,16] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(H,C),true),true)=true. % 1.74/1.95 ** KEPT (pick-wt=23): 18 [] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(G,B),true),true)=true. % 1.74/1.95 ---> New Demodulator: 19 [new_demod,18] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(G,B),true),true)=true. % 1.74/1.95 ** KEPT (pick-wt=23): 20 [] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(F,A),true),true)=true. % 1.74/1.95 ---> New Demodulator: 21 [new_demod,20] ife_q2(f(A,B,C,D,E),true,ife_q2(f(F,G,H,I,E),true,e_qualish(F,A),true),true)=true. % 1.74/1.95 ** KEPT (pick-wt=9): 22 [] ife_q(e_qualish(n0,n1),true,a,b)=b. % 1.74/1.95 ---> New Demodulator: 23 [new_demod,22] ife_q(e_qualish(n0,n1),true,a,b)=b. % 1.83/2.01 ** KEPT (pick-wt=9): 24 [] ife_q(e_qualish(n1,n0),true,a,b)=b. % 1.83/2.01 ---> New Demodulator: 25 [new_demod,24] ife_q(e_qualish(n1,n0),true,a,b)=b. % 1.83/2.01 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A. % 1.83/2.01 >>>> Starting back demodulation with 5. % 1.83/2.01 >>>> Starting back demodulation with 7. % 1.83/2.01 >>>> Starting back demodulation with 9. % 1.83/2.01 >>>> Starting back demodulation with 11. % 1.83/2.01 >>>> Starting back demodulation with 13. % 1.83/2.01 >>>> Starting back demodulation with 15. % 1.83/2.01 >>>> Starting back demodulation with 17. % 1.83/2.01 >>>> Starting back demodulation with 19. % 1.83/2.01 >>>> Starting back demodulation with 21. % 1.83/2.01 >>>> Starting back demodulation with 23. % 1.83/2.01 >>>> Starting back demodulation with 25. % 1.83/2.01 % 1.83/2.01 ======= end of input processing ======= % 1.83/2.01 % 1.83/2.01 =========== start of search =========== % 1.83/2.01 % 1.83/2.01 Search stopped because sos empty. % 1.83/2.01 % 1.83/2.01 % 1.83/2.01 Search stopped because sos empty. % 1.83/2.01 % 1.83/2.01 ============ end of search ============ % 1.83/2.01 % 1.83/2.01 -------------- statistics ------------- % 1.83/2.01 clauses given 372 % 1.83/2.01 clauses generated 5586 % 1.83/2.01 clauses kept 373 % 1.83/2.01 clauses forward subsumed 5355 % 1.83/2.01 clauses back subsumed 0 % 1.83/2.01 Kbytes malloced 2929 % 1.83/2.01 % 1.83/2.01 ----------- times (seconds) ----------- % 1.83/2.01 user CPU time 0.06 (0 hr, 0 min, 0 sec) % 1.83/2.01 system CPU time 0.01 (0 hr, 0 min, 0 sec) % 1.83/2.01 wall-clock time 1 (0 hr, 0 min, 1 sec) % 1.83/2.01 % 1.83/2.01 Process 7112 finished Wed Jul 27 08:56:07 2022 % 1.83/2.01 Otter interrupted % 1.83/2.01 PROOF NOT FOUND %------------------------------------------------------------------------------