%------------------------------------------------------------------------------ % File : Otter---3.3 % Problem : GRP236-1 : TPTP v8.1.0. Released v2.5.0. % 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 12:56:46 EDT 2022 % Result : Timeout 299.88s 300.03s % Output : None % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.07/0.12 % Problem : GRP236-1 : TPTP v8.1.0. Released v2.5.0. % 0.07/0.13 % Command : otter-tptp-script %s % 0.12/0.34 % Computer : n004.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 04:59:21 EDT 2022 % 0.12/0.34 % CPUTime : % 1.83/2.01 ----- Otter 3.3f, August 2004 ----- % 1.83/2.01 The process was started by sandbox2 on n004.cluster.edu, % 1.83/2.01 Wed Jul 27 04:59:21 2022 % 1.83/2.01 The command was "./otter". The process ID is 14412. % 1.83/2.01 % 1.83/2.01 set(prolog_style_variables). % 1.83/2.01 set(auto). % 1.83/2.01 dependent: set(auto1). % 1.83/2.01 dependent: set(process_input). % 1.83/2.01 dependent: clear(print_kept). % 1.83/2.01 dependent: clear(print_new_demod). % 1.83/2.01 dependent: clear(print_back_demod). % 1.83/2.01 dependent: clear(print_back_sub). % 1.83/2.01 dependent: set(control_memory). % 1.83/2.01 dependent: assign(max_mem, 12000). % 1.83/2.01 dependent: assign(pick_given_ratio, 4). % 1.83/2.01 dependent: assign(stats_level, 1). % 1.83/2.01 dependent: assign(max_seconds, 10800). % 1.83/2.01 clear(print_given). % 1.83/2.01 % 1.83/2.01 list(usable). % 1.83/2.01 0 [] A=A. % 1.83/2.01 0 [] multiply(identity,X)=X. % 1.83/2.01 0 [] multiply(inverse(X),X)=identity. % 1.83/2.01 0 [] multiply(multiply(X,Y),Z)=multiply(X,multiply(Y,Z)). % 1.83/2.01 0 [] inverse(sk_c8)=sk_c7. % 1.83/2.01 0 [] inverse(sk_c1)=sk_c8|inverse(sk_c4)=sk_c8. % 1.83/2.01 0 [] inverse(sk_c1)=sk_c8|multiply(sk_c4,sk_c7)=sk_c8. % 1.83/2.01 0 [] inverse(sk_c1)=sk_c8|multiply(sk_c8,sk_c6)=sk_c7. % 1.83/2.01 0 [] inverse(sk_c1)=sk_c8|multiply(sk_c5,sk_c8)=sk_c6. % 1.83/2.01 0 [] inverse(sk_c1)=sk_c8|inverse(sk_c5)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c1,sk_c7)=sk_c8|inverse(sk_c4)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c1,sk_c7)=sk_c8|multiply(sk_c4,sk_c7)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c1,sk_c7)=sk_c8|multiply(sk_c8,sk_c6)=sk_c7. % 1.83/2.01 0 [] multiply(sk_c1,sk_c7)=sk_c8|multiply(sk_c5,sk_c8)=sk_c6. % 1.83/2.01 0 [] multiply(sk_c1,sk_c7)=sk_c8|inverse(sk_c5)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c2,sk_c3)=sk_c7|inverse(sk_c4)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c2,sk_c3)=sk_c7|multiply(sk_c4,sk_c7)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c2,sk_c3)=sk_c7|multiply(sk_c8,sk_c6)=sk_c7. % 1.83/2.01 0 [] multiply(sk_c2,sk_c3)=sk_c7|multiply(sk_c5,sk_c8)=sk_c6. % 1.83/2.01 0 [] multiply(sk_c2,sk_c3)=sk_c7|inverse(sk_c5)=sk_c8. % 1.83/2.01 0 [] inverse(sk_c2)=sk_c3|inverse(sk_c4)=sk_c8. % 1.83/2.01 0 [] inverse(sk_c2)=sk_c3|multiply(sk_c4,sk_c7)=sk_c8. % 1.83/2.01 0 [] inverse(sk_c2)=sk_c3|multiply(sk_c8,sk_c6)=sk_c7. % 1.83/2.01 0 [] inverse(sk_c2)=sk_c3|multiply(sk_c5,sk_c8)=sk_c6. % 1.83/2.01 0 [] inverse(sk_c2)=sk_c3|inverse(sk_c5)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c3,sk_c8)=sk_c7|inverse(sk_c4)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c3,sk_c8)=sk_c7|multiply(sk_c4,sk_c7)=sk_c8. % 1.83/2.01 0 [] multiply(sk_c3,sk_c8)=sk_c7|multiply(sk_c8,sk_c6)=sk_c7. % 1.83/2.01 0 [] multiply(sk_c3,sk_c8)=sk_c7|multiply(sk_c5,sk_c8)=sk_c6. % 1.83/2.01 0 [] multiply(sk_c3,sk_c8)=sk_c7|inverse(sk_c5)=sk_c8. % 1.83/2.01 0 [] inverse(sk_c8)!=sk_c7|inverse(X4)!=sk_c8|multiply(X4,sk_c7)!=sk_c8|multiply(X5,X6)!=sk_c7|inverse(X5)!=X6|multiply(X6,sk_c8)!=sk_c7|inverse(X1)!=sk_c8|multiply(X1,sk_c7)!=sk_c8|multiply(sk_c8,X2)!=sk_c7|multiply(X3,sk_c8)!=X2|inverse(X3)!=sk_c8. % 1.83/2.01 end_of_list. % 1.83/2.01 % 1.83/2.01 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=11. % 1.83/2.01 % 1.83/2.01 This ia a non-Horn set with equality. The strategy will be % 1.83/2.01 Knuth-Bendix, ordered hyper_res, factoring, and unit % 1.83/2.01 deletion, with positive clauses in sos and nonpositive % 1.83/2.01 clauses in usable. % 1.83/2.01 % 1.83/2.01 dependent: set(knuth_bendix). % 1.83/2.01 dependent: set(anl_eq). % 1.83/2.01 dependent: set(para_from). % 1.83/2.01 dependent: set(para_into). % 1.83/2.01 dependent: clear(para_from_right). % 1.83/2.01 dependent: clear(para_into_right). % 1.83/2.01 dependent: set(para_from_vars). % 1.83/2.01 dependent: set(eq_units_both_ways). % 1.83/2.01 dependent: set(dynamic_demod_all). % 1.83/2.01 dependent: set(dynamic_demod). % 1.83/2.01 dependent: set(order_eq). % 1.83/2.01 dependent: set(back_demod). % 1.83/2.01 dependent: set(lrpo). % 1.83/2.01 dependent: set(hyper_res). % 1.83/2.01 dependent: set(unit_deletion). % 1.83/2.01 dependent: set(factor). % 1.83/2.01 % 1.83/2.01 ------------> process usable: % 1.83/2.01 ** KEPT (pick-wt=41): 2 [copy,1,factor_simp,factor_simp] inverse(sk_c8)!=sk_c7|inverse(A)!=sk_c8|multiply(A,sk_c7)!=sk_c8|multiply(B,C)!=sk_c7|inverse(B)!=C|multiply(C,sk_c8)!=sk_c7|multiply(sk_c8,D)!=sk_c7|multiply(E,sk_c8)!=D|inverse(E)!=sk_c8. % 1.83/2.01 % 1.83/2.01 ------------> process sos: % 1.83/2.01 ** KEPT (pick-wt=3): 36 [] A=A. % 1.83/2.01 ** KEPT (pick-wt=5): 37 [] multiply(identity,A)=A. % 1.83/2.01 ---> New Demodulator: 38 [new_demod,37] multiply(identity,A)=A. % 1.83/2.01 ** KEPT (pick-wt=6): 39 [] multiply(inverse(A),A)=identity. % 1.83/2.01 ---> New Demodulator: 40 [new_demod,39] multiply(inverse(A),A)=identity. % 1.83/2.01 ** KEPT (pick-wt=11): 41 [] multiply(multiply(A,B),C)=multiply(A,multiply(B,C)). % 1.83/2.01 ---> New Demodulator: 42 [new_demod,41] multiply(multiply(A,B),C)=multiply(A,multiply(B,C)). % 1.83/2.01 ** KEPT (pick-wt=4): 43 [] inverse(sk_c8)=sk_c7. % 1.83/2.01 ---> New Demodulator: 44 [neAlarm clock % 299.88/300.03 Otter interrupted % 299.88/300.03 PROOF NOT FOUND %------------------------------------------------------------------------------