TSTP Solution File: REL001-1 by Otter---3.3
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- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : REL001-1 : TPTP v8.1.0. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n003.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 13:11:46 EDT 2022
% Result : Unsatisfiable 1.73s 1.94s
% Output : Refutation 1.73s
% Verified :
% SZS Type : Refutation
% Derivation depth : 15
% Number of leaves : 12
% Syntax : Number of clauses : 64 ( 64 unt; 0 nHn; 12 RR)
% Number of literals : 64 ( 63 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 4 con; 0-2 aty)
% Number of variables : 77 ( 2 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
join(zero,sk1) != sk1,
file('REL001-1.p',unknown),
[] ).
cnf(3,axiom,
join(A,B) = join(B,A),
file('REL001-1.p',unknown),
[] ).
cnf(4,axiom,
join(A,join(B,C)) = join(join(A,B),C),
file('REL001-1.p',unknown),
[] ).
cnf(6,plain,
join(join(A,B),C) = join(A,join(B,C)),
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[4])]),
[iquote('copy,4,flip.1')] ).
cnf(7,axiom,
A = join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))),
file('REL001-1.p',unknown),
[] ).
cnf(8,plain,
join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))) = A,
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[7])]),
[iquote('copy,7,flip.1')] ).
cnf(10,axiom,
meet(A,B) = complement(join(complement(A),complement(B))),
file('REL001-1.p',unknown),
[] ).
cnf(12,plain,
complement(join(complement(A),complement(B))) = meet(A,B),
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[10])]),
[iquote('copy,10,flip.1')] ).
cnf(13,axiom,
composition(A,composition(B,C)) = composition(composition(A,B),C),
file('REL001-1.p',unknown),
[] ).
cnf(14,plain,
composition(composition(A,B),C) = composition(A,composition(B,C)),
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[13])]),
[iquote('copy,13,flip.1')] ).
cnf(16,axiom,
composition(A,one) = A,
file('REL001-1.p',unknown),
[] ).
cnf(22,axiom,
converse(converse(A)) = A,
file('REL001-1.p',unknown),
[] ).
cnf(25,axiom,
converse(composition(A,B)) = composition(converse(B),converse(A)),
file('REL001-1.p',unknown),
[] ).
cnf(27,axiom,
join(composition(converse(A),complement(composition(A,B))),complement(B)) = complement(B),
file('REL001-1.p',unknown),
[] ).
cnf(29,axiom,
top = join(A,complement(A)),
file('REL001-1.p',unknown),
[] ).
cnf(30,plain,
join(A,complement(A)) = top,
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[29])]),
[iquote('copy,29,flip.1')] ).
cnf(32,axiom,
zero = meet(A,complement(A)),
file('REL001-1.p',unknown),
[] ).
cnf(34,plain,
meet(A,complement(A)) = zero,
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[32])]),
[iquote('copy,32,flip.1')] ).
cnf(35,plain,
join(meet(A,B),complement(join(complement(A),B))) = A,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[8]),12]),
[iquote('back_demod,8,demod,12')] ).
cnf(37,plain,
join(complement(A),A) = top,
inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[3,30])]),
[iquote('para_into,3.1.1,30.1.1,flip.1')] ).
cnf(41,plain,
complement(join(meet(A,B),complement(C))) = meet(join(complement(A),complement(B)),C),
inference(para_into,[status(thm),theory(equality)],[12,12]),
[iquote('para_into,11.1.1.1.1,11.1.1')] ).
cnf(44,plain,
complement(top) = meet(complement(A),A),
inference(para_into,[status(thm),theory(equality)],[12,37]),
[iquote('para_into,11.1.1.1,37.1.1')] ).
cnf(46,plain,
complement(top) = zero,
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[12,30]),34]),
[iquote('para_into,11.1.1.1,30.1.1,demod,34')] ).
cnf(48,plain,
meet(complement(A),A) = zero,
inference(demod,[status(thm),theory(equality)],[inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[44])]),46]),
[iquote('copy,44,flip.1,demod,46')] ).
cnf(52,plain,
meet(join(complement(A),complement(B)),meet(A,B)) = zero,
inference(para_from,[status(thm),theory(equality)],[12,34]),
[iquote('para_from,11.1.1,33.1.1.2')] ).
cnf(54,plain,
join(complement(A),join(complement(B),meet(A,B))) = top,
inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[12,30]),6]),
[iquote('para_from,11.1.1,30.1.1.2,demod,6')] ).
cnf(57,plain,
complement(join(complement(A),zero)) = meet(A,top),
inference(para_from,[status(thm),theory(equality)],[46,12]),
[iquote('para_from,45.1.1,11.1.1.1.2')] ).
cnf(64,plain,
complement(join(zero,complement(A))) = meet(top,A),
inference(para_from,[status(thm),theory(equality)],[46,12]),
[iquote('para_from,45.1.1,11.1.1.1.1')] ).
cnf(83,plain,
composition(A,composition(one,B)) = composition(A,B),
inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[14,16])]),
[iquote('para_into,14.1.1.1,16.1.1,flip.1')] ).
cnf(87,plain,
complement(join(zero,zero)) = meet(top,top),
inference(para_into,[status(thm),theory(equality)],[57,46]),
[iquote('para_into,56.1.1.1.1,45.1.1')] ).
cnf(99,plain,
meet(meet(top,top),join(zero,zero)) = zero,
inference(para_from,[status(thm),theory(equality)],[87,48]),
[iquote('para_from,87.1.1,48.1.1.1')] ).
cnf(166,plain,
composition(converse(one),converse(A)) = converse(A),
inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[25,16])]),
[iquote('para_into,25.1.1.1,16.1.1,flip.1')] ).
cnf(173,plain,
composition(converse(one),A) = A,
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[166,22]),22]),
[iquote('para_into,166.1.1.2,21.1.1,demod,22')] ).
cnf(175,plain,
composition(one,A) = A,
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[173,83]),173])]),
[iquote('para_into,172.1.1,83.1.1,demod,173,flip.1')] ).
cnf(176,plain,
converse(one) = one,
inference(para_into,[status(thm),theory(equality)],[173,16]),
[iquote('para_into,172.1.1,16.1.1')] ).
cnf(183,plain,
join(complement(A),complement(A)) = complement(A),
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[27,176]),175,175]),
[iquote('para_into,27.1.1.1.1,176.1.1,demod,175,175')] ).
cnf(215,plain,
join(zero,zero) = zero,
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[183,46]),46,46]),
[iquote('para_into,182.1.1.1,45.1.1,demod,46,46')] ).
cnf(217,plain,
join(meet(A,B),meet(A,B)) = meet(A,B),
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[183,12]),12,12]),
[iquote('para_into,182.1.1.1,11.1.1,demod,12,12')] ).
cnf(226,plain,
meet(meet(top,top),zero) = zero,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[99]),215]),
[iquote('back_demod,99,demod,215')] ).
cnf(228,plain,
complement(zero) = meet(top,top),
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[87]),215]),
[iquote('back_demod,87,demod,215')] ).
cnf(243,plain,
complement(complement(A)) = meet(A,A),
inference(para_from,[status(thm),theory(equality)],[183,12]),
[iquote('para_from,182.1.1,11.1.1.1')] ).
cnf(263,plain,
join(zero,meet(A,A)) = A,
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[35,34]),183,243]),
[iquote('para_into,35.1.1.1,33.1.1,demod,183,243')] ).
cnf(275,plain,
join(meet(A,A),zero) = A,
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[35,37]),46]),
[iquote('para_into,35.1.1.2.1,37.1.1,demod,46')] ).
cnf(290,plain,
join(zero,meet(meet(top,top),top)) = meet(top,top),
inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[226,35]),57]),
[iquote('para_from,226.1.1,35.1.1.1,demod,57')] ).
cnf(299,plain,
complement(meet(A,B)) = meet(join(complement(A),complement(B)),join(complement(A),complement(B))),
inference(para_into,[status(thm),theory(equality)],[243,12]),
[iquote('para_into,242.1.1.1,11.1.1')] ).
cnf(302,plain,
meet(top,complement(A)) = complement(A),
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[243,64]),263])]),
[iquote('para_from,242.1.1,64.1.1.1.2,demod,263,flip.1')] ).
cnf(304,plain,
meet(complement(A),top) = complement(A),
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[243,57]),275])]),
[iquote('para_from,242.1.1,56.1.1.1.1,demod,275,flip.1')] ).
cnf(306,plain,
meet(meet(A,A),complement(A)) = zero,
inference(para_from,[status(thm),theory(equality)],[243,48]),
[iquote('para_from,242.1.1,48.1.1.1')] ).
cnf(312,plain,
join(complement(A),meet(A,A)) = top,
inference(para_from,[status(thm),theory(equality)],[243,30]),
[iquote('para_from,242.1.1,30.1.1.2')] ).
cnf(364,plain,
meet(top,meet(A,B)) = meet(A,B),
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[302,12]),12]),
[iquote('para_into,302.1.1.2,11.1.1,demod,12')] ).
cnf(368,plain,
meet(meet(A,A),top) = meet(A,A),
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[304,243]),243]),
[iquote('para_into,304.1.1.1,242.1.1,demod,243')] ).
cnf(378,plain,
meet(top,top) = top,
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[290]),368,263])]),
[iquote('back_demod,290,demod,368,263,flip.1')] ).
cnf(383,plain,
complement(zero) = top,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[228]),378]),
[iquote('back_demod,228,demod,378')] ).
cnf(387,plain,
join(complement(A),complement(join(meet(A,A),top))) = complement(A),
inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[304,35]),243]),
[iquote('para_from,304.1.1,35.1.1.1,demod,243')] ).
cnf(390,plain,
complement(join(meet(A,B),top)) = meet(join(complement(A),complement(B)),zero),
inference(para_from,[status(thm),theory(equality)],[383,41]),
[iquote('para_from,383.1.1,40.1.1.1.2')] ).
cnf(399,plain,
join(complement(A),meet(complement(A),zero)) = complement(A),
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[387]),390,183]),
[iquote('back_demod,387,demod,390,183')] ).
cnf(440,plain,
join(zero,meet(meet(A,A),A)) = meet(A,A),
inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[306,35]),299,183,183,41,243,243,217]),
[iquote('para_from,306.1.1,35.1.1.1,demod,299,183,183,41,243,243,217')] ).
cnf(556,plain,
meet(join(complement(A),top),meet(A,zero)) = zero,
inference(para_into,[status(thm),theory(equality)],[52,383]),
[iquote('para_into,52.1.1.1.2,383.1.1')] ).
cnf(649,plain,
join(complement(A),top) = top,
inference(para_into,[status(thm),theory(equality)],[54,312]),
[iquote('para_into,54.1.1.2,312.1.1')] ).
cnf(655,plain,
meet(A,zero) = zero,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[556]),649,364]),
[iquote('back_demod,556,demod,649,364')] ).
cnf(656,plain,
join(complement(A),zero) = complement(A),
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[399]),655]),
[iquote('back_demod,399,demod,655')] ).
cnf(812,plain,
meet(A,A) = A,
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[656,243]),275,243])]),
[iquote('para_into,656.1.1.1,242.1.1,demod,275,243,flip.1')] ).
cnf(843,plain,
join(zero,A) = A,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[440]),812,812,812]),
[iquote('back_demod,440,demod,812,812,812')] ).
cnf(845,plain,
$false,
inference(binary,[status(thm)],[843,1]),
[iquote('binary,843.1,1.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : REL001-1 : TPTP v8.1.0. Released v4.0.0.
% 0.07/0.13 % Command : otter-tptp-script %s
% 0.12/0.34 % Computer : n003.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 10:05:26 EDT 2022
% 0.12/0.34 % CPUTime :
% 1.73/1.92 ----- Otter 3.3f, August 2004 -----
% 1.73/1.92 The process was started by sandbox on n003.cluster.edu,
% 1.73/1.92 Wed Jul 27 10:05:26 2022
% 1.73/1.92 The command was "./otter". The process ID is 3611.
% 1.73/1.92
% 1.73/1.92 set(prolog_style_variables).
% 1.73/1.92 set(auto).
% 1.73/1.92 dependent: set(auto1).
% 1.73/1.92 dependent: set(process_input).
% 1.73/1.92 dependent: clear(print_kept).
% 1.73/1.92 dependent: clear(print_new_demod).
% 1.73/1.92 dependent: clear(print_back_demod).
% 1.73/1.92 dependent: clear(print_back_sub).
% 1.73/1.92 dependent: set(control_memory).
% 1.73/1.92 dependent: assign(max_mem, 12000).
% 1.73/1.92 dependent: assign(pick_given_ratio, 4).
% 1.73/1.92 dependent: assign(stats_level, 1).
% 1.73/1.92 dependent: assign(max_seconds, 10800).
% 1.73/1.92 clear(print_given).
% 1.73/1.92
% 1.73/1.92 list(usable).
% 1.73/1.92 0 [] A=A.
% 1.73/1.92 0 [] join(A,B)=join(B,A).
% 1.73/1.92 0 [] join(A,join(B,C))=join(join(A,B),C).
% 1.73/1.92 0 [] A=join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))).
% 1.73/1.92 0 [] meet(A,B)=complement(join(complement(A),complement(B))).
% 1.73/1.92 0 [] composition(A,composition(B,C))=composition(composition(A,B),C).
% 1.73/1.92 0 [] composition(A,one)=A.
% 1.73/1.92 0 [] composition(join(A,B),C)=join(composition(A,C),composition(B,C)).
% 1.73/1.92 0 [] converse(converse(A))=A.
% 1.73/1.92 0 [] converse(join(A,B))=join(converse(A),converse(B)).
% 1.73/1.92 0 [] converse(composition(A,B))=composition(converse(B),converse(A)).
% 1.73/1.92 0 [] join(composition(converse(A),complement(composition(A,B))),complement(B))=complement(B).
% 1.73/1.92 0 [] top=join(A,complement(A)).
% 1.73/1.92 0 [] zero=meet(A,complement(A)).
% 1.73/1.92 0 [] join(zero,sk1)!=sk1.
% 1.73/1.92 end_of_list.
% 1.73/1.92
% 1.73/1.92 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.73/1.92
% 1.73/1.92 All clauses are units, and equality is present; the
% 1.73/1.92 strategy will be Knuth-Bendix with positive clauses in sos.
% 1.73/1.92
% 1.73/1.92 dependent: set(knuth_bendix).
% 1.73/1.92 dependent: set(anl_eq).
% 1.73/1.92 dependent: set(para_from).
% 1.73/1.92 dependent: set(para_into).
% 1.73/1.92 dependent: clear(para_from_right).
% 1.73/1.92 dependent: clear(para_into_right).
% 1.73/1.92 dependent: set(para_from_vars).
% 1.73/1.92 dependent: set(eq_units_both_ways).
% 1.73/1.92 dependent: set(dynamic_demod_all).
% 1.73/1.92 dependent: set(dynamic_demod).
% 1.73/1.92 dependent: set(order_eq).
% 1.73/1.92 dependent: set(back_demod).
% 1.73/1.92 dependent: set(lrpo).
% 1.73/1.92
% 1.73/1.92 ------------> process usable:
% 1.73/1.92 ** KEPT (pick-wt=5): 1 [] join(zero,sk1)!=sk1.
% 1.73/1.92
% 1.73/1.92 ------------> process sos:
% 1.73/1.92 ** KEPT (pick-wt=3): 2 [] A=A.
% 1.73/1.92 ** KEPT (pick-wt=7): 3 [] join(A,B)=join(B,A).
% 1.73/1.92 ** KEPT (pick-wt=11): 5 [copy,4,flip.1] join(join(A,B),C)=join(A,join(B,C)).
% 1.73/1.92 ---> New Demodulator: 6 [new_demod,5] join(join(A,B),C)=join(A,join(B,C)).
% 1.73/1.92 ** KEPT (pick-wt=14): 8 [copy,7,flip.1] join(complement(join(complement(A),complement(B))),complement(join(complement(A),B)))=A.
% 1.73/1.92 ---> New Demodulator: 9 [new_demod,8] join(complement(join(complement(A),complement(B))),complement(join(complement(A),B)))=A.
% 1.73/1.92 ** KEPT (pick-wt=10): 11 [copy,10,flip.1] complement(join(complement(A),complement(B)))=meet(A,B).
% 1.73/1.92 ---> New Demodulator: 12 [new_demod,11] complement(join(complement(A),complement(B)))=meet(A,B).
% 1.73/1.92 ** KEPT (pick-wt=11): 14 [copy,13,flip.1] composition(composition(A,B),C)=composition(A,composition(B,C)).
% 1.73/1.92 ---> New Demodulator: 15 [new_demod,14] composition(composition(A,B),C)=composition(A,composition(B,C)).
% 1.73/1.92 ** KEPT (pick-wt=5): 16 [] composition(A,one)=A.
% 1.73/1.92 ---> New Demodulator: 17 [new_demod,16] composition(A,one)=A.
% 1.73/1.92 ** KEPT (pick-wt=13): 19 [copy,18,flip.1] join(composition(A,B),composition(C,B))=composition(join(A,C),B).
% 1.73/1.92 ---> New Demodulator: 20 [new_demod,19] join(composition(A,B),composition(C,B))=composition(join(A,C),B).
% 1.73/1.92 ** KEPT (pick-wt=5): 21 [] converse(converse(A))=A.
% 1.73/1.92 ---> New Demodulator: 22 [new_demod,21] converse(converse(A))=A.
% 1.73/1.92 ** KEPT (pick-wt=10): 23 [] converse(join(A,B))=join(converse(A),converse(B)).
% 1.73/1.92 ---> New Demodulator: 24 [new_demod,23] converse(join(A,B))=join(converse(A),converse(B)).
% 1.73/1.92 ** KEPT (pick-wt=10): 25 [] converse(composition(A,B))=composition(converse(B),converse(A)).
% 1.73/1.92 ---> New Demodulator: 26 [new_demod,25] converse(composition(A,B))=composition(converse(B),converse(A)).
% 1.73/1.92 ** KEPT (pick-wt=13): 27 [] join(composition(converse(A),complement(composition(A,B))),complement(B))=complement(B).
% 1.73/1.92 ---> New Demodulator: 28 [new_demod,27] join(composition(converse(A),complement(composition(A,B))),complement(B))=complement(B).
% 1.73/1.92 ** KEPT (pick-wt=6): 30 [copy,29,flip.1] join(A,complement(A))=top.
% 1.73/1.94 ---> New Demodulator: 31 [new_demod,30] join(A,complement(A))=top.
% 1.73/1.94 ** KEPT (pick-wt=6): 33 [copy,32,flip.1] meet(A,complement(A))=zero.
% 1.73/1.94 ---> New Demodulator: 34 [new_demod,33] meet(A,complement(A))=zero.
% 1.73/1.94 Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.73/1.94 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] join(A,B)=join(B,A).
% 1.73/1.94 >>>> Starting back demodulation with 6.
% 1.73/1.94 >>>> Starting back demodulation with 9.
% 1.73/1.94 >>>> Starting back demodulation with 12.
% 1.73/1.94 >> back demodulating 8 with 12.
% 1.73/1.94 >>>> Starting back demodulation with 15.
% 1.73/1.94 >>>> Starting back demodulation with 17.
% 1.73/1.94 >>>> Starting back demodulation with 20.
% 1.73/1.94 >>>> Starting back demodulation with 22.
% 1.73/1.94 >>>> Starting back demodulation with 24.
% 1.73/1.94 >>>> Starting back demodulation with 26.
% 1.73/1.94 >>>> Starting back demodulation with 28.
% 1.73/1.94 >>>> Starting back demodulation with 31.
% 1.73/1.94 >>>> Starting back demodulation with 34.
% 1.73/1.94 >>>> Starting back demodulation with 36.
% 1.73/1.94
% 1.73/1.94 ======= end of input processing =======
% 1.73/1.94
% 1.73/1.94 =========== start of search ===========
% 1.73/1.94
% 1.73/1.94 -------- PROOF --------
% 1.73/1.94
% 1.73/1.94 ----> UNIT CONFLICT at 0.02 sec ----> 845 [binary,843.1,1.1] $F.
% 1.73/1.94
% 1.73/1.94 Length of proof is 51. Level of proof is 14.
% 1.73/1.94
% 1.73/1.94 ---------------- PROOF ----------------
% 1.73/1.94 % SZS status Unsatisfiable
% 1.73/1.94 % SZS output start Refutation
% See solution above
% 1.73/1.94 ------------ end of proof -------------
% 1.73/1.94
% 1.73/1.94
% 1.73/1.94 Search stopped by max_proofs option.
% 1.73/1.94
% 1.73/1.94
% 1.73/1.94 Search stopped by max_proofs option.
% 1.73/1.94
% 1.73/1.94 ============ end of search ============
% 1.73/1.94
% 1.73/1.94 -------------- statistics -------------
% 1.73/1.94 clauses given 74
% 1.73/1.94 clauses generated 931
% 1.73/1.94 clauses kept 431
% 1.73/1.94 clauses forward subsumed 727
% 1.73/1.94 clauses back subsumed 0
% 1.73/1.94 Kbytes malloced 3906
% 1.73/1.94
% 1.73/1.94 ----------- times (seconds) -----------
% 1.73/1.94 user CPU time 0.02 (0 hr, 0 min, 0 sec)
% 1.73/1.94 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.73/1.94 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 1.73/1.94
% 1.73/1.94 That finishes the proof of the theorem.
% 1.73/1.94
% 1.73/1.94 Process 3611 finished Wed Jul 27 10:05:28 2022
% 1.73/1.94 Otter interrupted
% 1.73/1.94 PROOF FOUND
%------------------------------------------------------------------------------