TSTP Solution File: HWV006-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : HWV006-2 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n026.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 12:58:03 EDT 2022

% Result   : Unsatisfiable 2.06s 2.24s
% Output   : Refutation 2.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   50
% Syntax   : Number of clauses     :  118 (  70 unt;  12 nHn; 118 RR)
%            Number of literals    :  181 (   0 equ;  59 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :   13 (  12 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   1 con; 0-1 aty)
%            Number of variables   :   41 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ connection(A,B)
    | ~ zero(A)
    | zero(B) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ connection(A,B)
    | ~ one(A)
    | one(B) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ connection(A,B)
    | ~ zero(B)
    | zero(A) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ connection(A,B)
    | ~ one(B)
    | one(A) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ zero(A)
    | ~ one(A) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ and_ok(A)
    | ~ zero(in1(A))
    | zero(out1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ and_ok(A)
    | ~ one(in1(A))
    | ~ one(in2(A))
    | one(out1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ and_ok(A)
    | ~ one(out1(A))
    | one(in2(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ logic_and(A)
    | and_ok(A)
    | abnormal(A) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ or_ok(A)
    | ~ one(in2(A))
    | one(out1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ or_ok(A)
    | ~ zero(out1(A))
    | zero(in1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ logic_or(A)
    | or_ok(A)
    | abnormal(A) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(22,axiom,
    ( ~ not_ok(A)
    | ~ zero(in1(A))
    | one(out1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ not_ok(A)
    | ~ one(in1(A))
    | zero(out1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(27,axiom,
    ( ~ logic_not(A)
    | not_ok(A)
    | abnormal(A) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(28,axiom,
    ( ~ halfadder(A)
    | logic_and(and1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ halfadder(A)
    | logic_and(and2(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(30,axiom,
    ( ~ halfadder(A)
    | logic_not(not1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(31,axiom,
    ( ~ halfadder(A)
    | logic_or(or1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(33,axiom,
    ( ~ halfadder(A)
    | connection(in2(A),in2(or1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(34,axiom,
    ( ~ halfadder(A)
    | connection(in1(A),in1(and2(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ halfadder(A)
    | connection(in2(A),in2(and2(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(36,axiom,
    ( ~ halfadder(A)
    | connection(outs(A),out1(and1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(37,axiom,
    ( ~ halfadder(A)
    | connection(outc(A),out1(and2(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(38,axiom,
    ( ~ halfadder(A)
    | connection(out1(or1(A)),in1(and1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(39,axiom,
    ( ~ halfadder(A)
    | connection(out1(and2(A)),in1(not1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(40,axiom,
    ( ~ halfadder(A)
    | connection(out1(not1(A)),in2(and1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(41,axiom,
    ( ~ fulladder(A)
    | halfadder(h1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(42,axiom,
    ( ~ fulladder(A)
    | halfadder(h2(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(43,axiom,
    ( ~ fulladder(A)
    | logic_or(or1(A)) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(44,axiom,
    ( ~ fulladder(A)
    | connection(outs(h1(A)),in2(h2(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(46,axiom,
    ( ~ fulladder(A)
    | connection(outc(h2(A)),in1(or1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(47,axiom,
    ( ~ fulladder(A)
    | connection(in1(A),in1(h2(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(48,axiom,
    ( ~ fulladder(A)
    | connection(in2(A),in1(h1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(49,axiom,
    ( ~ fulladder(A)
    | connection(inc(A),in2(h1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(50,axiom,
    ( ~ fulladder(A)
    | connection(outs(A),outs(h2(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(51,axiom,
    ( ~ fulladder(A)
    | connection(outc(A),out1(or1(A))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(52,axiom,
    ( ~ abnormal(or1(f))
    | ~ abnormal(not1(h2(f))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(53,axiom,
    ~ abnormal(and2(h2(f))),
    file('HWV006-2.p',unknown),
    [] ).

cnf(54,axiom,
    ( ~ abnormal(or1(f))
    | ~ abnormal(and1(h2(f))) ),
    file('HWV006-2.p',unknown),
    [] ).

cnf(55,axiom,
    ~ abnormal(or1(h1(f))),
    file('HWV006-2.p',unknown),
    [] ).

cnf(56,axiom,
    ~ abnormal(not1(h1(f))),
    file('HWV006-2.p',unknown),
    [] ).

cnf(57,axiom,
    ~ abnormal(and2(h1(f))),
    file('HWV006-2.p',unknown),
    [] ).

cnf(58,axiom,
    ~ abnormal(and1(h1(f))),
    file('HWV006-2.p',unknown),
    [] ).

cnf(59,axiom,
    fulladder(f),
    file('HWV006-2.p',unknown),
    [] ).

cnf(60,axiom,
    one(in1(f)),
    file('HWV006-2.p',unknown),
    [] ).

cnf(61,axiom,
    zero(in2(f)),
    file('HWV006-2.p',unknown),
    [] ).

cnf(62,axiom,
    one(inc(f)),
    file('HWV006-2.p',unknown),
    [] ).

cnf(63,axiom,
    one(outs(f)),
    file('HWV006-2.p',unknown),
    [] ).

cnf(64,axiom,
    zero(outc(f)),
    file('HWV006-2.p',unknown),
    [] ).

cnf(65,plain,
    connection(outc(f),out1(or1(f))),
    inference(hyper,[status(thm)],[59,51]),
    [iquote('hyper,59,51')] ).

cnf(66,plain,
    connection(outs(f),outs(h2(f))),
    inference(hyper,[status(thm)],[59,50]),
    [iquote('hyper,59,50')] ).

cnf(67,plain,
    connection(inc(f),in2(h1(f))),
    inference(hyper,[status(thm)],[59,49]),
    [iquote('hyper,59,49')] ).

cnf(68,plain,
    connection(in2(f),in1(h1(f))),
    inference(hyper,[status(thm)],[59,48]),
    [iquote('hyper,59,48')] ).

cnf(69,plain,
    connection(in1(f),in1(h2(f))),
    inference(hyper,[status(thm)],[59,47]),
    [iquote('hyper,59,47')] ).

cnf(70,plain,
    connection(outc(h2(f)),in1(or1(f))),
    inference(hyper,[status(thm)],[59,46]),
    [iquote('hyper,59,46')] ).

cnf(72,plain,
    connection(outs(h1(f)),in2(h2(f))),
    inference(hyper,[status(thm)],[59,44]),
    [iquote('hyper,59,44')] ).

cnf(73,plain,
    logic_or(or1(f)),
    inference(hyper,[status(thm)],[59,43]),
    [iquote('hyper,59,43')] ).

cnf(74,plain,
    halfadder(h2(f)),
    inference(hyper,[status(thm)],[59,42]),
    [iquote('hyper,59,42')] ).

cnf(75,plain,
    halfadder(h1(f)),
    inference(hyper,[status(thm)],[59,41]),
    [iquote('hyper,59,41')] ).

cnf(76,plain,
    ( or_ok(or1(f))
    | abnormal(or1(f)) ),
    inference(hyper,[status(thm)],[73,21]),
    [iquote('hyper,73,21')] ).

cnf(77,plain,
    connection(out1(not1(h2(f))),in2(and1(h2(f)))),
    inference(hyper,[status(thm)],[74,40]),
    [iquote('hyper,74,40')] ).

cnf(78,plain,
    connection(out1(and2(h2(f))),in1(not1(h2(f)))),
    inference(hyper,[status(thm)],[74,39]),
    [iquote('hyper,74,39')] ).

cnf(80,plain,
    connection(outc(h2(f)),out1(and2(h2(f)))),
    inference(hyper,[status(thm)],[74,37]),
    [iquote('hyper,74,37')] ).

cnf(81,plain,
    connection(outs(h2(f)),out1(and1(h2(f)))),
    inference(hyper,[status(thm)],[74,36]),
    [iquote('hyper,74,36')] ).

cnf(82,plain,
    connection(in2(h2(f)),in2(and2(h2(f)))),
    inference(hyper,[status(thm)],[74,35]),
    [iquote('hyper,74,35')] ).

cnf(83,plain,
    connection(in1(h2(f)),in1(and2(h2(f)))),
    inference(hyper,[status(thm)],[74,34]),
    [iquote('hyper,74,34')] ).

cnf(87,plain,
    logic_not(not1(h2(f))),
    inference(hyper,[status(thm)],[74,30]),
    [iquote('hyper,74,30')] ).

cnf(88,plain,
    logic_and(and2(h2(f))),
    inference(hyper,[status(thm)],[74,29]),
    [iquote('hyper,74,29')] ).

cnf(89,plain,
    logic_and(and1(h2(f))),
    inference(hyper,[status(thm)],[74,28]),
    [iquote('hyper,74,28')] ).

cnf(90,plain,
    connection(out1(not1(h1(f))),in2(and1(h1(f)))),
    inference(hyper,[status(thm)],[75,40]),
    [iquote('hyper,75,40')] ).

cnf(91,plain,
    connection(out1(and2(h1(f))),in1(not1(h1(f)))),
    inference(hyper,[status(thm)],[75,39]),
    [iquote('hyper,75,39')] ).

cnf(92,plain,
    connection(out1(or1(h1(f))),in1(and1(h1(f)))),
    inference(hyper,[status(thm)],[75,38]),
    [iquote('hyper,75,38')] ).

cnf(94,plain,
    connection(outs(h1(f)),out1(and1(h1(f)))),
    inference(hyper,[status(thm)],[75,36]),
    [iquote('hyper,75,36')] ).

cnf(96,plain,
    connection(in1(h1(f)),in1(and2(h1(f)))),
    inference(hyper,[status(thm)],[75,34]),
    [iquote('hyper,75,34')] ).

cnf(97,plain,
    connection(in2(h1(f)),in2(or1(h1(f)))),
    inference(hyper,[status(thm)],[75,33]),
    [iquote('hyper,75,33')] ).

cnf(99,plain,
    logic_or(or1(h1(f))),
    inference(hyper,[status(thm)],[75,31]),
    [iquote('hyper,75,31')] ).

cnf(100,plain,
    logic_not(not1(h1(f))),
    inference(hyper,[status(thm)],[75,30]),
    [iquote('hyper,75,30')] ).

cnf(101,plain,
    logic_and(and2(h1(f))),
    inference(hyper,[status(thm)],[75,29]),
    [iquote('hyper,75,29')] ).

cnf(102,plain,
    logic_and(and1(h1(f))),
    inference(hyper,[status(thm)],[75,28]),
    [iquote('hyper,75,28')] ).

cnf(104,plain,
    zero(out1(or1(f))),
    inference(hyper,[status(thm)],[65,1,64]),
    [iquote('hyper,65,1,64')] ).

cnf(105,plain,
    ( not_ok(not1(h2(f)))
    | abnormal(not1(h2(f))) ),
    inference(hyper,[status(thm)],[87,27]),
    [iquote('hyper,87,27')] ).

cnf(106,plain,
    and_ok(and2(h2(f))),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[88,13]),53]),
    [iquote('hyper,88,13,unit_del,53')] ).

cnf(107,plain,
    ( and_ok(and1(h2(f)))
    | abnormal(and1(h2(f))) ),
    inference(hyper,[status(thm)],[89,13]),
    [iquote('hyper,89,13')] ).

cnf(108,plain,
    or_ok(or1(h1(f))),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[99,21]),55]),
    [iquote('hyper,99,21,unit_del,55')] ).

cnf(109,plain,
    one(outs(h2(f))),
    inference(hyper,[status(thm)],[66,2,63]),
    [iquote('hyper,66,2,63')] ).

cnf(110,plain,
    not_ok(not1(h1(f))),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[100,27]),56]),
    [iquote('hyper,100,27,unit_del,56')] ).

cnf(111,plain,
    and_ok(and2(h1(f))),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[101,13]),57]),
    [iquote('hyper,101,13,unit_del,57')] ).

cnf(112,plain,
    and_ok(and1(h1(f))),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[102,13]),58]),
    [iquote('hyper,102,13,unit_del,58')] ).

cnf(113,plain,
    one(in2(h1(f))),
    inference(hyper,[status(thm)],[67,2,62]),
    [iquote('hyper,67,2,62')] ).

cnf(114,plain,
    zero(in1(h1(f))),
    inference(hyper,[status(thm)],[68,1,61]),
    [iquote('hyper,68,1,61')] ).

cnf(115,plain,
    one(in1(h2(f))),
    inference(hyper,[status(thm)],[69,2,60]),
    [iquote('hyper,69,2,60')] ).

cnf(117,plain,
    ( abnormal(or1(f))
    | zero(in1(or1(f))) ),
    inference(hyper,[status(thm)],[76,18,104]),
    [iquote('hyper,76,18,104')] ).

cnf(119,plain,
    ( abnormal(or1(f))
    | zero(outc(h2(f))) ),
    inference(hyper,[status(thm)],[117,3,70]),
    [iquote('hyper,117,3,70')] ).

cnf(121,plain,
    one(out1(and1(h2(f)))),
    inference(hyper,[status(thm)],[81,2,109]),
    [iquote('hyper,81,2,109')] ).

cnf(122,plain,
    one(in1(and2(h2(f)))),
    inference(hyper,[status(thm)],[83,2,115]),
    [iquote('hyper,83,2,115')] ).

cnf(126,plain,
    zero(in1(and2(h1(f)))),
    inference(hyper,[status(thm)],[96,1,114]),
    [iquote('hyper,96,1,114')] ).

cnf(127,plain,
    zero(out1(and2(h1(f)))),
    inference(hyper,[status(thm)],[126,6,111]),
    [iquote('hyper,126,6,111')] ).

cnf(129,plain,
    zero(in1(not1(h1(f)))),
    inference(hyper,[status(thm)],[91,1,127]),
    [iquote('hyper,91,1,127')] ).

cnf(131,plain,
    one(out1(not1(h1(f)))),
    inference(hyper,[status(thm)],[129,22,110]),
    [iquote('hyper,129,22,110')] ).

cnf(132,plain,
    one(in2(and1(h1(f)))),
    inference(hyper,[status(thm)],[131,2,90]),
    [iquote('hyper,131,2,90')] ).

cnf(133,plain,
    one(in2(or1(h1(f)))),
    inference(hyper,[status(thm)],[97,2,113]),
    [iquote('hyper,97,2,113')] ).

cnf(134,plain,
    one(out1(or1(h1(f)))),
    inference(hyper,[status(thm)],[133,15,108]),
    [iquote('hyper,133,15,108')] ).

cnf(135,plain,
    one(in1(and1(h1(f)))),
    inference(hyper,[status(thm)],[134,2,92]),
    [iquote('hyper,134,2,92')] ).

cnf(137,plain,
    one(out1(and1(h1(f)))),
    inference(hyper,[status(thm)],[135,8,112,132]),
    [iquote('hyper,135,8,112,132')] ).

cnf(138,plain,
    one(outs(h1(f))),
    inference(hyper,[status(thm)],[137,4,94]),
    [iquote('hyper,137,4,94')] ).

cnf(139,plain,
    one(in2(h2(f))),
    inference(hyper,[status(thm)],[138,2,72]),
    [iquote('hyper,138,2,72')] ).

cnf(142,plain,
    one(in2(and2(h2(f)))),
    inference(hyper,[status(thm)],[139,2,82]),
    [iquote('hyper,139,2,82')] ).

cnf(143,plain,
    one(out1(and2(h2(f)))),
    inference(hyper,[status(thm)],[142,8,106,122]),
    [iquote('hyper,142,8,106,122')] ).

cnf(144,plain,
    one(outc(h2(f))),
    inference(hyper,[status(thm)],[143,4,80]),
    [iquote('hyper,143,4,80')] ).

cnf(145,plain,
    one(in1(not1(h2(f)))),
    inference(hyper,[status(thm)],[143,2,78]),
    [iquote('hyper,143,2,78')] ).

cnf(146,plain,
    abnormal(or1(f)),
    inference(hyper,[status(thm)],[144,5,119]),
    [iquote('hyper,144,5,119')] ).

cnf(148,plain,
    ( zero(out1(not1(h2(f))))
    | abnormal(not1(h2(f))) ),
    inference(hyper,[status(thm)],[145,23,105]),
    [iquote('hyper,145,23,105')] ).

cnf(149,plain,
    ( abnormal(and1(h2(f)))
    | one(in2(and1(h2(f)))) ),
    inference(hyper,[status(thm)],[107,11,121]),
    [iquote('hyper,107,11,121')] ).

cnf(152,plain,
    ( abnormal(not1(h2(f)))
    | zero(in2(and1(h2(f)))) ),
    inference(hyper,[status(thm)],[148,1,77]),
    [iquote('hyper,148,1,77')] ).

cnf(156,plain,
    ( abnormal(not1(h2(f)))
    | abnormal(and1(h2(f))) ),
    inference(hyper,[status(thm)],[152,5,149]),
    [iquote('hyper,152,5,149')] ).

cnf(157,plain,
    abnormal(and1(h2(f))),
    inference(hyper,[status(thm)],[156,52,146]),
    [iquote('hyper,156,52,146')] ).

cnf(159,plain,
    $false,
    inference(hyper,[status(thm)],[157,54,146]),
    [iquote('hyper,157,54,146')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : HWV006-2 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.08/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 06:50:54 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 2.06/2.24  ----- Otter 3.3f, August 2004 -----
% 2.06/2.24  The process was started by sandbox on n026.cluster.edu,
% 2.06/2.24  Wed Jul 27 06:50:54 2022
% 2.06/2.24  The command was "./otter".  The process ID is 11982.
% 2.06/2.24  
% 2.06/2.24  set(prolog_style_variables).
% 2.06/2.24  set(auto).
% 2.06/2.24     dependent: set(auto1).
% 2.06/2.24     dependent: set(process_input).
% 2.06/2.24     dependent: clear(print_kept).
% 2.06/2.24     dependent: clear(print_new_demod).
% 2.06/2.24     dependent: clear(print_back_demod).
% 2.06/2.24     dependent: clear(print_back_sub).
% 2.06/2.24     dependent: set(control_memory).
% 2.06/2.24     dependent: assign(max_mem, 12000).
% 2.06/2.24     dependent: assign(pick_given_ratio, 4).
% 2.06/2.24     dependent: assign(stats_level, 1).
% 2.06/2.24     dependent: assign(max_seconds, 10800).
% 2.06/2.24  clear(print_given).
% 2.06/2.24  
% 2.06/2.24  list(usable).
% 2.06/2.24  0 [] -connection(P1,P2)| -zero(P1)|zero(P2).
% 2.06/2.24  0 [] -connection(P1,P2)| -one(P1)|one(P2).
% 2.06/2.24  0 [] -connection(P1,P2)| -zero(P2)|zero(P1).
% 2.06/2.24  0 [] -connection(P1,P2)| -one(P2)|one(P1).
% 2.06/2.24  0 [] -zero(P)| -one(P).
% 2.06/2.24  0 [] -and_ok(K)| -zero(in1(K))|zero(out1(K)).
% 2.06/2.24  0 [] -and_ok(K)| -zero(in2(K))|zero(out1(K)).
% 2.06/2.24  0 [] -and_ok(K)| -one(in1(K))| -one(in2(K))|one(out1(K)).
% 2.06/2.24  0 [] -and_ok(K)| -zero(out1(K))|zero(in1(K))|zero(in2(K)).
% 2.06/2.24  0 [] -and_ok(K)| -one(out1(K))|one(in1(K)).
% 2.06/2.24  0 [] -and_ok(K)| -one(out1(K))|one(in2(K)).
% 2.06/2.24  0 [] -and_ok(K)| -abnormal(K).
% 2.06/2.24  0 [] -logic_and(K)|and_ok(K)|abnormal(K).
% 2.06/2.24  0 [] -or_ok(K)| -one(in1(K))|one(out1(K)).
% 2.06/2.24  0 [] -or_ok(K)| -one(in2(K))|one(out1(K)).
% 2.06/2.24  0 [] -or_ok(K)| -zero(in1(K))| -zero(in2(K))|zero(out1(K)).
% 2.06/2.24  0 [] -or_ok(K)| -one(out1(K))|one(in1(K))|one(in2(K)).
% 2.06/2.24  0 [] -or_ok(K)| -zero(out1(K))|zero(in1(K)).
% 2.06/2.24  0 [] -or_ok(K)| -zero(out1(K))|zero(in2(K)).
% 2.06/2.24  0 [] -or_ok(K)| -abnormal(K).
% 2.06/2.24  0 [] -logic_or(K)|or_ok(K)|abnormal(K).
% 2.06/2.24  0 [] -not_ok(K)| -zero(in1(K))|one(out1(K)).
% 2.06/2.24  0 [] -not_ok(K)| -one(in1(K))|zero(out1(K)).
% 2.06/2.24  0 [] -not_ok(K)| -zero(out1(K))|one(in1(K)).
% 2.06/2.24  0 [] -not_ok(K)| -one(out1(K))|zero(in1(K)).
% 2.06/2.24  0 [] -not_ok(K)| -abnormal(K).
% 2.06/2.24  0 [] -logic_not(K)|not_ok(K)|abnormal(K).
% 2.06/2.24  0 [] -halfadder(X)|logic_and(and1(X)).
% 2.06/2.24  0 [] -halfadder(X)|logic_and(and2(X)).
% 2.06/2.24  0 [] -halfadder(X)|logic_not(not1(X)).
% 2.06/2.24  0 [] -halfadder(X)|logic_or(or1(X)).
% 2.06/2.24  0 [] -halfadder(X)|connection(in1(X),in1(or1(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(in2(X),in2(or1(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(in1(X),in1(and2(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(in2(X),in2(and2(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(outs(X),out1(and1(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(outc(X),out1(and2(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(out1(or1(X)),in1(and1(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(out1(and2(X)),in1(not1(X))).
% 2.06/2.24  0 [] -halfadder(X)|connection(out1(not1(X)),in2(and1(X))).
% 2.06/2.24  0 [] -fulladder(X)|halfadder(h1(X)).
% 2.06/2.24  0 [] -fulladder(X)|halfadder(h2(X)).
% 2.06/2.24  0 [] -fulladder(X)|logic_or(or1(X)).
% 2.06/2.24  0 [] -fulladder(X)|connection(outs(h1(X)),in2(h2(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(outc(h1(X)),in2(or1(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(outc(h2(X)),in1(or1(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(in1(X),in1(h2(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(in2(X),in1(h1(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(inc(X),in2(h1(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(outs(X),outs(h2(X))).
% 2.06/2.24  0 [] -fulladder(X)|connection(outc(X),out1(or1(X))).
% 2.06/2.24  0 [] fulladder(f).
% 2.06/2.24  0 [] one(in1(f)).
% 2.06/2.24  0 [] zero(in2(f)).
% 2.06/2.24  0 [] one(inc(f)).
% 2.06/2.24  0 [] one(outs(f)).
% 2.06/2.24  0 [] zero(outc(f)).
% 2.06/2.24  0 [] -abnormal(or1(f))| -abnormal(not1(h2(f))).
% 2.06/2.24  0 [] -abnormal(and2(h2(f))).
% 2.06/2.24  0 [] -abnormal(or1(f))| -abnormal(and1(h2(f))).
% 2.06/2.24  0 [] -abnormal(or1(h1(f))).
% 2.06/2.24  0 [] -abnormal(not1(h1(f))).
% 2.06/2.24  0 [] -abnormal(and2(h1(f))).
% 2.06/2.24  0 [] -abnormal(and1(h1(f))).
% 2.06/2.24  end_of_list.
% 2.06/2.24  
% 2.06/2.24  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 2.06/2.24  
% 2.06/2.24  This is a non-Horn set without equality.  The strategy will
% 2.06/2.24  be ordered hyper_res, unit deletion, and factoring, with
% 2.06/2.24  satellites in sos and with nuclei in usable.
% 2.06/2.24  
% 2.06/2.24     dependent: set(hyper_res).
% 2.06/2.24     dependent: set(factor).
% 2.06/2.24     dependent: set(unit_deletion).
% 2.06/2.24  
% 2.06/2.24  ------------> process usable:
% 2.06/2.24  ** KEPT (pick-wt=7): 1 [] -connection(A,B)| -zero(A)|zero(B).
% 2.06/2.24  ** KEPT (pick-wt=7): 2 [] -connection(A,B)| -one(A)|one(B).
% 2.06/2.24  ** KEPT (pick-wt=7): 3 [] -connection(A,B)| -zero(B)|zero(A).
% 2.06/2.24  ** KEPT (pick-wt=7): 4 [] -connection(A,B)| -one(B)|one(A).
% 2.06/2.24  ** KEPT (pick-wt=4): 5 [] -zero(A)| -one(A).
% 2.06/2.24  ** KEPT (pick-wt=8): 6 [] -and_ok(A)| -zero(in1(A))|zero(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 7 [] -and_ok(A)| -zero(in2(A))|zero(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=11): 8 [] -and_ok(A)| -one(in1(A))| -one(in2(A))|one(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=11): 9 [] -and_ok(A)| -zero(out1(A))|zero(in1(A))|zero(in2(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 10 [] -and_ok(A)| -one(out1(A))|one(in1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 11 [] -and_ok(A)| -one(out1(A))|one(in2(A)).
% 2.06/2.24  ** KEPT (pick-wt=4): 12 [] -and_ok(A)| -abnormal(A).
% 2.06/2.24  ** KEPT (pick-wt=6): 13 [] -logic_and(A)|and_ok(A)|abnormal(A).
% 2.06/2.24  ** KEPT (pick-wt=8): 14 [] -or_ok(A)| -one(in1(A))|one(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 15 [] -or_ok(A)| -one(in2(A))|one(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=11): 16 [] -or_ok(A)| -zero(in1(A))| -zero(in2(A))|zero(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=11): 17 [] -or_ok(A)| -one(out1(A))|one(in1(A))|one(in2(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 18 [] -or_ok(A)| -zero(out1(A))|zero(in1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 19 [] -or_ok(A)| -zero(out1(A))|zero(in2(A)).
% 2.06/2.24  ** KEPT (pick-wt=4): 20 [] -or_ok(A)| -abnormal(A).
% 2.06/2.24  ** KEPT (pick-wt=6): 21 [] -logic_or(A)|or_ok(A)|abnormal(A).
% 2.06/2.24  ** KEPT (pick-wt=8): 22 [] -not_ok(A)| -zero(in1(A))|one(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 23 [] -not_ok(A)| -one(in1(A))|zero(out1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 24 [] -not_ok(A)| -zero(out1(A))|one(in1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 25 [] -not_ok(A)| -one(out1(A))|zero(in1(A)).
% 2.06/2.24  ** KEPT (pick-wt=4): 26 [] -not_ok(A)| -abnormal(A).
% 2.06/2.24  ** KEPT (pick-wt=6): 27 [] -logic_not(A)|not_ok(A)|abnormal(A).
% 2.06/2.24  ** KEPT (pick-wt=5): 28 [] -halfadder(A)|logic_and(and1(A)).
% 2.06/2.24  ** KEPT (pick-wt=5): 29 [] -halfadder(A)|logic_and(and2(A)).
% 2.06/2.24  ** KEPT (pick-wt=5): 30 [] -halfadder(A)|logic_not(not1(A)).
% 2.06/2.24  ** KEPT (pick-wt=5): 31 [] -halfadder(A)|logic_or(or1(A)).
% 2.06/2.24  ** KEPT (pick-wt=8): 32 [] -halfadder(A)|connection(in1(A),in1(or1(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 33 [] -halfadder(A)|connection(in2(A),in2(or1(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 34 [] -halfadder(A)|connection(in1(A),in1(and2(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 35 [] -halfadder(A)|connection(in2(A),in2(and2(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 36 [] -halfadder(A)|connection(outs(A),out1(and1(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 37 [] -halfadder(A)|connection(outc(A),out1(and2(A))).
% 2.06/2.24  ** KEPT (pick-wt=9): 38 [] -halfadder(A)|connection(out1(or1(A)),in1(and1(A))).
% 2.06/2.24  ** KEPT (pick-wt=9): 39 [] -halfadder(A)|connection(out1(and2(A)),in1(not1(A))).
% 2.06/2.24  ** KEPT (pick-wt=9): 40 [] -halfadder(A)|connection(out1(not1(A)),in2(and1(A))).
% 2.06/2.24  ** KEPT (pick-wt=5): 41 [] -fulladder(A)|halfadder(h1(A)).
% 2.06/2.24  ** KEPT (pick-wt=5): 42 [] -fulladder(A)|halfadder(h2(A)).
% 2.06/2.24  ** KEPT (pick-wt=5): 43 [] -fulladder(A)|logic_or(or1(A)).
% 2.06/2.24  ** KEPT (pick-wt=9): 44 [] -fulladder(A)|connection(outs(h1(A)),in2(h2(A))).
% 2.06/2.24  ** KEPT (pick-wt=9): 45 [] -fulladder(A)|connection(outc(h1(A)),in2(or1(A))).
% 2.06/2.24  ** KEPT (pick-wt=9): 46 [] -fulladder(A)|connection(outc(h2(A)),in1(or1(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 47 [] -fulladder(A)|connection(in1(A),in1(h2(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 48 [] -fulladder(A)|connection(in2(A),in1(h1(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 49 [] -fulladder(A)|connection(inc(A),in2(h1(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 50 [] -fulladder(A)|connection(outs(A),outs(h2(A))).
% 2.06/2.24  ** KEPT (pick-wt=8): 51 [] -fulladder(A)|connection(outc(A),out1(or1(A))).
% 2.06/2.24  ** KEPT (pick-wt=7): 52 [] -abnormal(or1(f))| -abnormal(not1(h2(f))).
% 2.06/2.24  ** KEPT (pick-wt=4): 53 [] -abnormal(and2(h2(f))).
% 2.06/2.24  ** KEPT (pick-wt=7): 54 [] -abnormal(or1(f))| -abnormal(and1(h2(f))).
% 2.06/2.24  ** KEPT (pick-wt=4): 55 [] -abnormal(or1(h1(f))).
% 2.06/2.24  ** KEPT (pick-wt=4): 56 [] -abnormal(not1(h1(f))).
% 2.06/2.24  ** KEPT (pick-wt=4): 57 [] -abnormal(and2(h1(f))).
% 2.06/2.24  ** KEPT (pick-wt=4): 58 [] -abnormal(and1(h1(f))).
% 2.06/2.24  
% 2.06/2.24  ------------> process sos:
% 2.06/2.24  ** KEPT (pick-wt=2): 59 [] fulladder(f).
% 2.06/2.24  ** KEPT (pick-wt=3): 60 [] one(in1(f)).
% 2.06/2.24  ** KEPT (pick-wt=3): 61 [] zero(in2(f)).
% 2.06/2.24  ** KEPT (pick-wt=3): 62 [] one(inc(f)).
% 2.06/2.24  ** KEPT (pick-wt=3): 63 [] one(outs(f)).
% 2.06/2.24  ** KEPT (pick-wt=3): 64 [] zero(outc(f)).
% 2.06/2.24  
% 2.06/2.24  ======= end of input processing =======
% 2.06/2.24  
% 2.06/2.24  =========== start of search ===========
% 2.06/2.24  
% 2.06/2.24  -------- PROOF -------- 
% 2.06/2.24  
% 2.06/2.24  -----> EMPTY CLAUSE at   0.00 sec ----> 159 [hyper,157,54,146] $F.
% 2.06/2.24  
% 2.06/2.24  Length of proof is 67.  Level of proof is 17.
% 2.06/2.24  
% 2.06/2.24  ---------------- PROOF ----------------
% 2.06/2.24  % SZS status Unsatisfiable
% 2.06/2.24  % SZS output start Refutation
% See solution above
% 2.06/2.24  ------------ end of proof -------------
% 2.06/2.24  
% 2.06/2.24  
% 2.06/2.24  Search stopped by max_proofs option.
% 2.06/2.24  
% 2.06/2.24  
% 2.06/2.24  Search stopped by max_proofs option.
% 2.06/2.24  
% 2.06/2.24  ============ end of search ============
% 2.06/2.24  
% 2.06/2.24  -------------- statistics -------------
% 2.06/2.24  clauses given                 94
% 2.06/2.24  clauses generated            139
% 2.06/2.24  clauses kept                 158
% 2.06/2.24  clauses forward subsumed      44
% 2.06/2.24  clauses back subsumed         17
% 2.06/2.24  Kbytes malloced             1953
% 2.06/2.24  
% 2.06/2.24  ----------- times (seconds) -----------
% 2.06/2.24  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 2.06/2.24  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.06/2.24  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.06/2.24  
% 2.06/2.24  That finishes the proof of the theorem.
% 2.06/2.24  
% 2.06/2.24  Process 11982 finished Wed Jul 27 06:50:56 2022
% 2.06/2.24  Otter interrupted
% 2.06/2.24  PROOF FOUND
%------------------------------------------------------------------------------