TSTP Solution File: GRP133-1.003 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP133-1.003 : TPTP v8.1.0. Released v1.2.0.
% 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 12:56:30 EDT 2022

% Result   : Unsatisfiable 2.92s 3.12s
% Output   : Refutation 2.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   64 (  16 unt;  43 nHn;  64 RR)
%            Number of literals    :  156 (   0 equ;  18 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   21 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ e_qualish(e_1,e_2),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(2,axiom,
    ~ e_qualish(e_1,e_3),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(3,axiom,
    ~ e_qualish(e_2,e_1),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(4,axiom,
    ~ e_qualish(e_2,e_3),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(5,axiom,
    ~ e_qualish(e_3,e_1),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(6,axiom,
    ~ e_qualish(e_3,e_2),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ group_element(A)
    | ~ group_element(B)
    | product(A,B,e_1)
    | product(A,B,e_2)
    | product(A,B,e_3) ),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | e_qualish(C,D) ),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,D,C)
    | e_qualish(B,D) ),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ product(A,B,C)
    | ~ product(D,B,C)
    | e_qualish(A,D) ),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ product(A,B,C)
    | ~ product(B,A,D)
    | product(C,D,A) ),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(12,plain,
    ( ~ group_element(A)
    | product(A,A,e_1)
    | product(A,A,e_2)
    | product(A,A,e_3) ),
    inference(factor,[status(thm)],[7]),
    [iquote('factor,7.1.2')] ).

cnf(16,plain,
    ( ~ product(A,A,B)
    | product(B,B,A) ),
    inference(factor,[status(thm)],[11]),
    [iquote('factor,11.1.2')] ).

cnf(17,axiom,
    group_element(e_1),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(18,axiom,
    group_element(e_2),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(19,axiom,
    group_element(e_3),
    file('GRP133-1.003.p',unknown),
    [] ).

cnf(20,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3) ),
    inference(hyper,[status(thm)],[17,12]),
    [iquote('hyper,17,12')] ).

cnf(21,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(hyper,[status(thm)],[18,12]),
    [iquote('hyper,18,12')] ).

cnf(22,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3) ),
    inference(hyper,[status(thm)],[18,7,17]),
    [iquote('hyper,18,7,17')] ).

cnf(23,plain,
    ( product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3) ),
    inference(hyper,[status(thm)],[18,7,17]),
    [iquote('hyper,18,7,17')] ).

cnf(24,plain,
    ( product(e_3,e_3,e_1)
    | product(e_3,e_3,e_2)
    | product(e_3,e_3,e_3) ),
    inference(hyper,[status(thm)],[19,12]),
    [iquote('hyper,19,12')] ).

cnf(26,plain,
    ( product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3) ),
    inference(hyper,[status(thm)],[19,7,17]),
    [iquote('hyper,19,7,17')] ).

cnf(28,plain,
    ( product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3) ),
    inference(hyper,[status(thm)],[19,7,17]),
    [iquote('hyper,19,7,17')] ).

cnf(30,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_3)
    | product(e_2,e_2,e_1) ),
    inference(hyper,[status(thm)],[20,16]),
    [iquote('hyper,20,16')] ).

cnf(33,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_3,e_3,e_1) ),
    inference(hyper,[status(thm)],[20,16]),
    [iquote('hyper,20,16')] ).

cnf(36,plain,
    ( product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3)
    | product(e_1,e_1,e_2) ),
    inference(hyper,[status(thm)],[21,16]),
    [iquote('hyper,21,16')] ).

cnf(40,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_3,e_3,e_2) ),
    inference(hyper,[status(thm)],[21,16]),
    [iquote('hyper,21,16')] ).

cnf(45,plain,
    ( product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[22,10,21]),3]),
    [iquote('hyper,22,10,21,unit_del,3')] ).

cnf(55,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[22,9,20]),1]),
    [iquote('hyper,22,9,20,unit_del,1')] ).

cnf(63,plain,
    ( product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[23,9,21]),3]),
    [iquote('hyper,23,9,21,unit_del,3')] ).

cnf(81,plain,
    ( product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[23,10,20]),1]),
    [iquote('hyper,23,10,20,unit_del,1')] ).

cnf(83,plain,
    ( product(e_3,e_3,e_2)
    | product(e_3,e_3,e_3)
    | product(e_1,e_1,e_3) ),
    inference(hyper,[status(thm)],[24,16]),
    [iquote('hyper,24,16')] ).

cnf(193,plain,
    ( product(e_1,e_1,e_1)
    | product(e_2,e_2,e_1)
    | product(e_3,e_3,e_1) ),
    inference(hyper,[status(thm)],[30,16]),
    [iquote('hyper,30,16')] ).

cnf(224,plain,
    ( product(e_2,e_2,e_2)
    | product(e_1,e_1,e_2)
    | product(e_3,e_3,e_2) ),
    inference(hyper,[status(thm)],[36,16]),
    [iquote('hyper,36,16')] ).

cnf(256,plain,
    ( product(e_1,e_2,e_3)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[45,9,36]),1])])]),
    [iquote('hyper,45,9,36,unit_del,1,factor_simp,factor_simp')] ).

cnf(365,plain,
    ( product(e_3,e_3,e_3)
    | product(e_1,e_1,e_3)
    | product(e_2,e_2,e_3) ),
    inference(hyper,[status(thm)],[83,16]),
    [iquote('hyper,83,16')] ).

cnf(496,plain,
    ( product(e_1,e_1,e_1)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[193,8,40]),3])]),
    [iquote('hyper,193,8,40,unit_del,3,factor_simp')] ).

cnf(517,plain,
    ( product(e_2,e_2,e_2)
    | product(e_1,e_1,e_2)
    | product(e_1,e_1,e_1) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[224,8,33]),1])]),
    [iquote('hyper,224,8,33,unit_del,1,factor_simp')] ).

cnf(561,plain,
    ( product(e_1,e_2,e_3)
    | product(e_2,e_2,e_3)
    | product(e_1,e_2,e_1) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[256,10,22]),1])]),
    [iquote('hyper,256,10,22,unit_del,1,factor_simp')] ).

cnf(578,plain,
    ( product(e_2,e_1,e_3)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[63,10,36]),1])])]),
    [iquote('hyper,63,10,36,unit_del,1,factor_simp,factor_simp')] ).

cnf(650,plain,
    ( product(e_3,e_3,e_3)
    | product(e_2,e_2,e_3)
    | product(e_2,e_2,e_2) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[365,9,256]),3])]),
    [iquote('hyper,365,9,256,unit_del,3,factor_simp')] ).

cnf(765,plain,
    ( product(e_1,e_1,e_1)
    | product(e_2,e_2,e_2)
    | product(e_1,e_2,e_3) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[496,8,256]),5])]),
    [iquote('hyper,496,8,256,unit_del,5,factor_simp')] ).

cnf(827,plain,
    ( product(e_1,e_1,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[517,10,55]),1])])]),
    [iquote('hyper,517,10,55,unit_del,1,factor_simp,factor_simp')] ).

cnf(883,plain,
    ( product(e_1,e_2,e_3)
    | product(e_1,e_2,e_1)
    | product(e_3,e_3,e_2) ),
    inference(hyper,[status(thm)],[561,16]),
    [iquote('hyper,561,16')] ).

cnf(987,plain,
    ( product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3)
    | product(e_3,e_3,e_1) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[578,11,256])])]),
    [iquote('hyper,578,11,256,factor_simp,factor_simp')] ).

cnf(996,plain,
    ( product(e_2,e_1,e_3)
    | product(e_2,e_2,e_3)
    | product(e_2,e_1,e_1) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[578,9,23]),1])]),
    [iquote('hyper,578,9,23,unit_del,1,factor_simp')] ).

cnf(1068,plain,
    ( product(e_2,e_1,e_1)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[81,9,517]),3])])]),
    [iquote('hyper,81,9,517,unit_del,3,factor_simp,factor_simp')] ).

cnf(1564,plain,
    ( product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[987,8,650]),5])])]),
    [iquote('hyper,987,8,650,unit_del,5,factor_simp,factor_simp')] ).

cnf(1582,plain,
    ( product(e_2,e_2,e_2)
    | product(e_1,e_1,e_1) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[1564,10,765]),1])]),
    [iquote('hyper,1564,10,765,unit_del,1,factor_simp')] ).

cnf(1686,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_3) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[1582,8,30]),1])]),
    [iquote('hyper,1582,8,30,unit_del,1,factor_simp')] ).

cnf(1785,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1) ),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[1686,8,827]),4])]),
    [iquote('hyper,1686,8,827,unit_del,4,factor_simp')] ).

cnf(1962,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[1068,11,1785])])]),
    [iquote('hyper,1068,11,1785,factor_simp,factor_simp')] ).

cnf(2032,plain,
    product(e_1,e_1,e_1),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[1962,8,1686]),6])]),
    [iquote('hyper,1962,8,1686,unit_del,6,factor_simp')] ).

cnf(2046,plain,
    ( product(e_2,e_1,e_3)
    | product(e_2,e_2,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2032,10,996]),3]),
    [iquote('hyper,2032,10,996,unit_del,3')] ).

cnf(2048,plain,
    ( product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2032,10,28]),5]),
    [iquote('hyper,2032,10,28,unit_del,5')] ).

cnf(2050,plain,
    ( product(e_1,e_2,e_3)
    | product(e_3,e_3,e_2) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2032,9,883]),3]),
    [iquote('hyper,2032,9,883,unit_del,3')] ).

cnf(2055,plain,
    ( product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2032,9,26]),5]),
    [iquote('hyper,2032,9,26,unit_del,5')] ).

cnf(2061,plain,
    ( product(e_2,e_1,e_3)
    | product(e_3,e_3,e_2) ),
    inference(hyper,[status(thm)],[2046,16]),
    [iquote('hyper,2046,16')] ).

cnf(2227,plain,
    product(e_3,e_3,e_2),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[2061,11,2050])])]),
    [iquote('hyper,2061,11,2050,factor_simp,factor_simp')] ).

cnf(2235,plain,
    product(e_1,e_3,e_3),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2227,10,2055]),2]),
    [iquote('hyper,2227,10,2055,unit_del,2')] ).

cnf(2237,plain,
    product(e_3,e_1,e_3),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2227,9,2048]),2]),
    [iquote('hyper,2227,9,2048,unit_del,2')] ).

cnf(2252,plain,
    product(e_3,e_3,e_1),
    inference(hyper,[status(thm)],[2237,11,2235]),
    [iquote('hyper,2237,11,2235')] ).

cnf(2259,plain,
    e_qualish(e_2,e_1),
    inference(hyper,[status(thm)],[2252,8,2227]),
    [iquote('hyper,2252,8,2227')] ).

cnf(2260,plain,
    $false,
    inference(binary,[status(thm)],[2259,3]),
    [iquote('binary,2259.1,3.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP133-1.003 : TPTP v8.1.0. Released v1.2.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n026.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 05:45:09 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.92/3.12  ----- Otter 3.3f, August 2004 -----
% 2.92/3.12  The process was started by sandbox2 on n026.cluster.edu,
% 2.92/3.12  Wed Jul 27 05:45:09 2022
% 2.92/3.12  The command was "./otter".  The process ID is 2803.
% 2.92/3.12  
% 2.92/3.12  set(prolog_style_variables).
% 2.92/3.12  set(auto).
% 2.92/3.12     dependent: set(auto1).
% 2.92/3.12     dependent: set(process_input).
% 2.92/3.12     dependent: clear(print_kept).
% 2.92/3.12     dependent: clear(print_new_demod).
% 2.92/3.12     dependent: clear(print_back_demod).
% 2.92/3.12     dependent: clear(print_back_sub).
% 2.92/3.12     dependent: set(control_memory).
% 2.92/3.12     dependent: assign(max_mem, 12000).
% 2.92/3.12     dependent: assign(pick_given_ratio, 4).
% 2.92/3.12     dependent: assign(stats_level, 1).
% 2.92/3.12     dependent: assign(max_seconds, 10800).
% 2.92/3.12  clear(print_given).
% 2.92/3.12  
% 2.92/3.12  list(usable).
% 2.92/3.12  0 [] group_element(e_1).
% 2.92/3.12  0 [] group_element(e_2).
% 2.92/3.12  0 [] group_element(e_3).
% 2.92/3.12  0 [] -e_qualish(e_1,e_2).
% 2.92/3.12  0 [] -e_qualish(e_1,e_3).
% 2.92/3.12  0 [] -e_qualish(e_2,e_1).
% 2.92/3.12  0 [] -e_qualish(e_2,e_3).
% 2.92/3.12  0 [] -e_qualish(e_3,e_1).
% 2.92/3.12  0 [] -e_qualish(e_3,e_2).
% 2.92/3.12  0 [] -group_element(X)| -group_element(Y)|product(X,Y,e_1)|product(X,Y,e_2)|product(X,Y,e_3).
% 2.92/3.12  0 [] -product(X,Y,W)| -product(X,Y,Z)|e_qualish(W,Z).
% 2.92/3.12  0 [] -product(X,W,Y)| -product(X,Z,Y)|e_qualish(W,Z).
% 2.92/3.12  0 [] -product(W,Y,X)| -product(Z,Y,X)|e_qualish(W,Z).
% 2.92/3.12  0 [] -product(X,Y,Z1)| -product(Y,X,Z2)|product(Z1,Z2,X).
% 2.92/3.12  end_of_list.
% 2.92/3.12  
% 2.92/3.12  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 2.92/3.12  
% 2.92/3.12  This is a non-Horn set without equality.  The strategy will
% 2.92/3.12  be ordered hyper_res, unit deletion, and factoring, with
% 2.92/3.12  satellites in sos and with nuclei in usable.
% 2.92/3.12  
% 2.92/3.12     dependent: set(hyper_res).
% 2.92/3.12     dependent: set(factor).
% 2.92/3.12     dependent: set(unit_deletion).
% 2.92/3.12  
% 2.92/3.12  ------------> process usable:
% 2.92/3.12  ** KEPT (pick-wt=3): 1 [] -e_qualish(e_1,e_2).
% 2.92/3.12  ** KEPT (pick-wt=3): 2 [] -e_qualish(e_1,e_3).
% 2.92/3.12  ** KEPT (pick-wt=3): 3 [] -e_qualish(e_2,e_1).
% 2.92/3.12  ** KEPT (pick-wt=3): 4 [] -e_qualish(e_2,e_3).
% 2.92/3.12  ** KEPT (pick-wt=3): 5 [] -e_qualish(e_3,e_1).
% 2.92/3.12  ** KEPT (pick-wt=3): 6 [] -e_qualish(e_3,e_2).
% 2.92/3.12  ** KEPT (pick-wt=16): 7 [] -group_element(A)| -group_element(B)|product(A,B,e_1)|product(A,B,e_2)|product(A,B,e_3).
% 2.92/3.12  ** KEPT (pick-wt=11): 8 [] -product(A,B,C)| -product(A,B,D)|e_qualish(C,D).
% 2.92/3.12  ** KEPT (pick-wt=11): 9 [] -product(A,B,C)| -product(A,D,C)|e_qualish(B,D).
% 2.92/3.12  ** KEPT (pick-wt=11): 10 [] -product(A,B,C)| -product(D,B,C)|e_qualish(A,D).
% 2.92/3.12  ** KEPT (pick-wt=12): 11 [] -product(A,B,C)| -product(B,A,D)|product(C,D,A).
% 2.92/3.12  
% 2.92/3.12  ------------> process sos:
% 2.92/3.12  ** KEPT (pick-wt=2): 17 [] group_element(e_1).
% 2.92/3.12  ** KEPT (pick-wt=2): 18 [] group_element(e_2).
% 2.92/3.12  ** KEPT (pick-wt=2): 19 [] group_element(e_3).
% 2.92/3.12  
% 2.92/3.12  ======= end of input processing =======
% 2.92/3.12  
% 2.92/3.12  =========== start of search ===========
% 2.92/3.12  
% 2.92/3.12  -------- PROOF -------- 
% 2.92/3.12  
% 2.92/3.12  ----> UNIT CONFLICT at   1.05 sec ----> 2260 [binary,2259.1,3.1] $F.
% 2.92/3.12  
% 2.92/3.12  Length of proof is 49.  Level of proof is 17.
% 2.92/3.12  
% 2.92/3.12  ---------------- PROOF ----------------
% 2.92/3.12  % SZS status Unsatisfiable
% 2.92/3.12  % SZS output start Refutation
% See solution above
% 2.92/3.12  ------------ end of proof -------------
% 2.92/3.12  
% 2.92/3.12  
% 2.92/3.12  Search stopped by max_proofs option.
% 2.92/3.12  
% 2.92/3.12  
% 2.92/3.12  Search stopped by max_proofs option.
% 2.92/3.12  
% 2.92/3.12  ============ end of search ============
% 2.92/3.12  
% 2.92/3.12  -------------- statistics -------------
% 2.92/3.12  clauses given                305
% 2.92/3.12  clauses generated          31424
% 2.92/3.12  clauses kept                2259
% 2.92/3.12  clauses forward subsumed   29179
% 2.92/3.12  clauses back subsumed       2184
% 2.92/3.12  Kbytes malloced             1953
% 2.92/3.12  
% 2.92/3.12  ----------- times (seconds) -----------
% 2.92/3.12  user CPU time          1.05          (0 hr, 0 min, 1 sec)
% 2.92/3.12  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.92/3.12  wall-clock time        3             (0 hr, 0 min, 3 sec)
% 2.92/3.12  
% 2.92/3.12  That finishes the proof of the theorem.
% 2.92/3.12  
% 2.92/3.12  Process 2803 finished Wed Jul 27 05:45:12 2022
% 2.92/3.12  Otter interrupted
% 2.92/3.12  PROOF FOUND
%------------------------------------------------------------------------------