TSTP Solution File: GRP126-3.004 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GRP126-3.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n016.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 12:56:11 EDT 2022

% Result   : Unsatisfiable 1.73s 1.97s
% Output   : Refutation 1.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   32
% Syntax   : Number of clauses     :   57 (  28 unt;  21 nHn;  56 RR)
%            Number of literals    :  127 (   0 equ;  37 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-3 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   36 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ group_element(A)
    | cycle(A,e_0)
    | cycle(A,e_1)
    | cycle(A,e_2)
    | cycle(A,e_3) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ cycle(A,B)
    | ~ cycle(C,D)
    | ~ next(A,C)
    | ~ greater(B,e_0)
    | ~ next(D,E)
    | e_qualish(B,E) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ cycle(A,B)
    | ~ cycle(C,e_0)
    | ~ cycle(D,E)
    | ~ next(C,D)
    | ~ greater(C,A)
    | ~ greater(B,E) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ cycle(A,e_0)
    | ~ product(A,e_1,B)
    | ~ greater(B,A) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ cycle(A,B)
    | ~ product(A,e_1,C)
    | ~ greater(B,e_0)
    | ~ next(A,D)
    | e_qualish(C,D) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(7,axiom,
    ~ e_qualish(e_1,e_2),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(8,axiom,
    ~ e_qualish(e_1,e_3),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(10,axiom,
    ~ e_qualish(e_2,e_1),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(11,axiom,
    ~ e_qualish(e_2,e_3),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(13,axiom,
    ~ e_qualish(e_3,e_1),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(14,axiom,
    ~ e_qualish(e_3,e_2),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(16,axiom,
    ~ e_qualish(e_4,e_1),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(18,axiom,
    ~ e_qualish(e_4,e_3),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ group_element(A)
    | ~ group_element(B)
    | product(A,B,e_1)
    | product(A,B,e_2)
    | product(A,B,e_3)
    | product(A,B,e_4) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,B,D)
    | e_qualish(C,D) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ product(A,B,C)
    | ~ product(A,D,C)
    | e_qualish(B,D) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(22,axiom,
    ( ~ product(A,B,C)
    | ~ product(D,B,C)
    | e_qualish(A,D) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ product(A,B,C)
    | ~ product(B,A,D)
    | product(C,D,B) ),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(41,axiom,
    next(e_0,e_1),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(42,axiom,
    next(e_1,e_2),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(43,axiom,
    next(e_2,e_3),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(44,axiom,
    next(e_3,e_4),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(45,axiom,
    greater(e_1,e_0),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(46,axiom,
    greater(e_2,e_0),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(47,axiom,
    greater(e_3,e_0),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(52,axiom,
    greater(e_3,e_2),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(53,axiom,
    greater(e_4,e_2),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(55,axiom,
    cycle(e_4,e_0),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(56,axiom,
    group_element(e_1),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(57,axiom,
    group_element(e_2),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(58,axiom,
    group_element(e_3),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(60,axiom,
    product(A,A,A),
    file('GRP126-3.004.p',unknown),
    [] ).

cnf(62,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(hyper,[status(thm)],[57,19,56]),
    [iquote('hyper,57,19,56')] ).

cnf(63,plain,
    ( product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(hyper,[status(thm)],[57,19,56]),
    [iquote('hyper,57,19,56')] ).

cnf(64,plain,
    ( cycle(e_2,e_0)
    | cycle(e_2,e_1)
    | cycle(e_2,e_2)
    | cycle(e_2,e_3) ),
    inference(hyper,[status(thm)],[57,2]),
    [iquote('hyper,57,2')] ).

cnf(66,plain,
    ( product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(hyper,[status(thm)],[58,19,56]),
    [iquote('hyper,58,19,56')] ).

cnf(69,plain,
    ( cycle(e_3,e_0)
    | cycle(e_3,e_1)
    | cycle(e_3,e_2)
    | cycle(e_3,e_3) ),
    inference(hyper,[status(thm)],[58,2]),
    [iquote('hyper,58,2')] ).

cnf(84,plain,
    ( product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[62,21,60]),7]),
    [iquote('hyper,62,21,60,unit_del,7')] ).

cnf(93,plain,
    ( cycle(e_3,e_0)
    | cycle(e_3,e_1)
    | cycle(e_3,e_3) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[69,3,55,44,46,41]),10]),
    [iquote('hyper,69,3,55,44,46,41,unit_del,10')] ).

cnf(106,plain,
    ( cycle(e_3,e_0)
    | cycle(e_3,e_1) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[93,3,55,44,47,41]),13]),
    [iquote('hyper,93,3,55,44,47,41,unit_del,13')] ).

cnf(107,plain,
    ( product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[63,22,60]),7]),
    [iquote('hyper,63,22,60,unit_del,7')] ).

cnf(114,plain,
    ( cycle(e_3,e_1)
    | cycle(e_2,e_0)
    | cycle(e_2,e_1)
    | cycle(e_2,e_2) ),
    inference(hyper,[status(thm)],[106,4,64,55,44,52,47]),
    [iquote('hyper,106,4,64,55,44,52,47')] ).

cnf(119,plain,
    ( product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[84,22,60]),10]),
    [iquote('hyper,84,22,60,unit_del,10')] ).

cnf(124,plain,
    ( product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[107,21,60]),10]),
    [iquote('hyper,107,21,60,unit_del,10')] ).

cnf(153,plain,
    ( cycle(e_2,e_0)
    | cycle(e_2,e_1)
    | cycle(e_2,e_2) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[114,3,64,43,47,42]),14])])])]),
    [iquote('hyper,114,3,64,43,47,42,unit_del,14,factor_simp,factor_simp,factor_simp')] ).

cnf(157,plain,
    ( cycle(e_3,e_1)
    | cycle(e_2,e_0)
    | cycle(e_2,e_2) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[114,4,106,55,44,52,45])]),
    [iquote('hyper,114,4,106,55,44,52,45,factor_simp')] ).

cnf(165,plain,
    ( cycle(e_2,e_0)
    | cycle(e_2,e_2) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[157,3,153,43,45,42]),7])])]),
    [iquote('hyper,157,3,153,43,45,42,unit_del,7,factor_simp,factor_simp')] ).

cnf(170,plain,
    ( product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[66,21,60]),8]),
    [iquote('hyper,66,21,60,unit_del,8')] ).

cnf(173,plain,
    ( cycle(e_2,e_2)
    | product(e_2,e_1,e_3) ),
    inference(hyper,[status(thm)],[165,5,124,53]),
    [iquote('hyper,165,5,124,53')] ).

cnf(178,plain,
    product(e_2,e_1,e_3),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[173,6,124,46,43]),18])]),
    [iquote('hyper,173,6,124,46,43,unit_del,18,factor_simp')] ).

cnf(180,plain,
    ( product(e_3,e_3,e_2)
    | product(e_1,e_2,e_4) ),
    inference(hyper,[status(thm)],[178,23,119]),
    [iquote('hyper,178,23,119')] ).

cnf(194,plain,
    product(e_1,e_2,e_4),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[180,20,60]),14]),
    [iquote('hyper,180,20,60,unit_del,14')] ).

cnf(200,plain,
    product(e_4,e_3,e_2),
    inference(hyper,[status(thm)],[194,23,178]),
    [iquote('hyper,194,23,178')] ).

cnf(206,plain,
    ( product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[170,22,200]),16]),
    [iquote('hyper,170,22,200,unit_del,16')] ).

cnf(210,plain,
    product(e_1,e_3,e_4),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[206,22,60]),13]),
    [iquote('hyper,206,22,60,unit_del,13')] ).

cnf(214,plain,
    e_qualish(e_2,e_3),
    inference(hyper,[status(thm)],[210,21,194]),
    [iquote('hyper,210,21,194')] ).

cnf(215,plain,
    $false,
    inference(binary,[status(thm)],[214,11]),
    [iquote('binary,214.1,11.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP126-3.004 : TPTP v8.1.0. Released v1.2.0.
% 0.06/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n016.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 05:28:07 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.73/1.94  ----- Otter 3.3f, August 2004 -----
% 1.73/1.94  The process was started by sandbox on n016.cluster.edu,
% 1.73/1.94  Wed Jul 27 05:28:07 2022
% 1.73/1.94  The command was "./otter".  The process ID is 11115.
% 1.73/1.94  
% 1.73/1.94  set(prolog_style_variables).
% 1.73/1.94  set(auto).
% 1.73/1.94     dependent: set(auto1).
% 1.73/1.94     dependent: set(process_input).
% 1.73/1.94     dependent: clear(print_kept).
% 1.73/1.94     dependent: clear(print_new_demod).
% 1.73/1.94     dependent: clear(print_back_demod).
% 1.73/1.94     dependent: clear(print_back_sub).
% 1.73/1.94     dependent: set(control_memory).
% 1.73/1.94     dependent: assign(max_mem, 12000).
% 1.73/1.94     dependent: assign(pick_given_ratio, 4).
% 1.73/1.94     dependent: assign(stats_level, 1).
% 1.73/1.94     dependent: assign(max_seconds, 10800).
% 1.73/1.94  clear(print_given).
% 1.73/1.94  
% 1.73/1.94  list(usable).
% 1.73/1.94  0 [] next(e_0,e_1).
% 1.73/1.94  0 [] next(e_1,e_2).
% 1.73/1.94  0 [] next(e_2,e_3).
% 1.73/1.94  0 [] next(e_3,e_4).
% 1.73/1.94  0 [] greater(e_1,e_0).
% 1.73/1.94  0 [] greater(e_2,e_0).
% 1.73/1.94  0 [] greater(e_3,e_0).
% 1.73/1.94  0 [] greater(e_4,e_0).
% 1.73/1.94  0 [] greater(e_2,e_1).
% 1.73/1.94  0 [] greater(e_3,e_1).
% 1.73/1.94  0 [] greater(e_4,e_1).
% 1.73/1.94  0 [] greater(e_3,e_2).
% 1.73/1.94  0 [] greater(e_4,e_2).
% 1.73/1.94  0 [] greater(e_4,e_3).
% 1.73/1.94  0 [] -cycle(X,Y)| -cycle(X,Z)|e_qualish(Y,Z).
% 1.73/1.94  0 [] -group_element(X)|cycle(X,e_0)|cycle(X,e_1)|cycle(X,e_2)|cycle(X,e_3).
% 1.73/1.94  0 [] cycle(e_4,e_0).
% 1.73/1.94  0 [] -cycle(X,Y)| -cycle(W,Z)| -next(X,W)| -greater(Y,e_0)| -next(Z,Z1)|e_qualish(Y,Z1).
% 1.73/1.94  0 [] -cycle(X,Z1)| -cycle(Y,e_0)| -cycle(W,Z2)| -next(Y,W)| -greater(Y,X)| -greater(Z1,Z2).
% 1.73/1.94  0 [] -cycle(X,e_0)| -product(X,e_1,Y)| -greater(Y,X).
% 1.73/1.94  0 [] -cycle(X,Y)| -product(X,e_1,Z)| -greater(Y,e_0)| -next(X,X1)|e_qualish(Z,X1).
% 1.73/1.94  0 [] group_element(e_1).
% 1.73/1.94  0 [] group_element(e_2).
% 1.73/1.94  0 [] group_element(e_3).
% 1.73/1.94  0 [] group_element(e_4).
% 1.73/1.94  0 [] -e_qualish(e_1,e_2).
% 1.73/1.94  0 [] -e_qualish(e_1,e_3).
% 1.73/1.94  0 [] -e_qualish(e_1,e_4).
% 1.73/1.94  0 [] -e_qualish(e_2,e_1).
% 1.73/1.94  0 [] -e_qualish(e_2,e_3).
% 1.73/1.94  0 [] -e_qualish(e_2,e_4).
% 1.73/1.94  0 [] -e_qualish(e_3,e_1).
% 1.73/1.94  0 [] -e_qualish(e_3,e_2).
% 1.73/1.94  0 [] -e_qualish(e_3,e_4).
% 1.73/1.94  0 [] -e_qualish(e_4,e_1).
% 1.73/1.94  0 [] -e_qualish(e_4,e_2).
% 1.73/1.94  0 [] -e_qualish(e_4,e_3).
% 1.73/1.94  0 [] -group_element(X)| -group_element(Y)|product(X,Y,e_1)|product(X,Y,e_2)|product(X,Y,e_3)|product(X,Y,e_4).
% 1.73/1.94  0 [] -product(X,Y,W)| -product(X,Y,Z)|e_qualish(W,Z).
% 1.73/1.94  0 [] -product(X,W,Y)| -product(X,Z,Y)|e_qualish(W,Z).
% 1.73/1.94  0 [] -product(W,Y,X)| -product(Z,Y,X)|e_qualish(W,Z).
% 1.73/1.94  0 [] product(X,X,X).
% 1.73/1.94  0 [] -product(X,Y,Z1)| -product(Y,X,Z2)|product(Z1,Z2,Y).
% 1.73/1.94  end_of_list.
% 1.73/1.94  
% 1.73/1.94  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=6.
% 1.73/1.94  
% 1.73/1.94  This is a non-Horn set without equality.  The strategy will
% 1.73/1.94  be ordered hyper_res, unit deletion, and factoring, with
% 1.73/1.94  satellites in sos and with nuclei in usable.
% 1.73/1.94  
% 1.73/1.94     dependent: set(hyper_res).
% 1.73/1.94     dependent: set(factor).
% 1.73/1.94     dependent: set(unit_deletion).
% 1.73/1.94  
% 1.73/1.94  ------------> process usable:
% 1.73/1.94  ** KEPT (pick-wt=9): 1 [] -cycle(A,B)| -cycle(A,C)|e_qualish(B,C).
% 1.73/1.94  ** KEPT (pick-wt=14): 2 [] -group_element(A)|cycle(A,e_0)|cycle(A,e_1)|cycle(A,e_2)|cycle(A,e_3).
% 1.73/1.94  ** KEPT (pick-wt=18): 3 [] -cycle(A,B)| -cycle(C,D)| -next(A,C)| -greater(B,e_0)| -next(D,E)|e_qualish(B,E).
% 1.73/1.94  ** KEPT (pick-wt=18): 4 [] -cycle(A,B)| -cycle(C,e_0)| -cycle(D,E)| -next(C,D)| -greater(C,A)| -greater(B,E).
% 1.73/1.94  ** KEPT (pick-wt=10): 5 [] -cycle(A,e_0)| -product(A,e_1,B)| -greater(B,A).
% 1.73/1.94  ** KEPT (pick-wt=16): 6 [] -cycle(A,B)| -product(A,e_1,C)| -greater(B,e_0)| -next(A,D)|e_qualish(C,D).
% 1.73/1.94  ** KEPT (pick-wt=3): 7 [] -e_qualish(e_1,e_2).
% 1.73/1.94  ** KEPT (pick-wt=3): 8 [] -e_qualish(e_1,e_3).
% 1.73/1.94  ** KEPT (pick-wt=3): 9 [] -e_qualish(e_1,e_4).
% 1.73/1.94  ** KEPT (pick-wt=3): 10 [] -e_qualish(e_2,e_1).
% 1.73/1.94  ** KEPT (pick-wt=3): 11 [] -e_qualish(e_2,e_3).
% 1.73/1.94  ** KEPT (pick-wt=3): 12 [] -e_qualish(e_2,e_4).
% 1.73/1.94  ** KEPT (pick-wt=3): 13 [] -e_qualish(e_3,e_1).
% 1.73/1.94  ** KEPT (pick-wt=3): 14 [] -e_qualish(e_3,e_2).
% 1.73/1.94  ** KEPT (pick-wt=3): 15 [] -e_qualish(e_3,e_4).
% 1.73/1.94  ** KEPT (pick-wt=3): 16 [] -e_qualish(e_4,e_1).
% 1.73/1.94  ** KEPT (pick-wt=3): 17 [] -e_qualish(e_4,e_2).
% 1.73/1.94  ** KEPT (pick-wt=3): 18 [] -e_qualish(e_4,e_3).
% 1.73/1.94  ** KEPT (pick-wt=20): 19 [] -group_element(A)| -group_element(B)|product(A,B,e_1)|product(A,B,e_2)|product(A,B,e_3)|product(A,B,e_4).
% 1.73/1.94  ** KEPT (pick-wt=11): 20 [] -product(A,B,C)| -product(A,B,D)|e_qualish(C,D).
% 1.73/1.94  ** KEPT (pick-wt=11): 21 [] -product(A,B,C)| -product(A,D,C)|e_qualish(B,D).
% 1.73/1.94  ** KEPT (pick-wt=11): 22 [] -product(A,B,C)| -product(D,B,C)|e_qualish(A,D).
% 1.73/1.94  ** KEPT (pick-wt=12): 23 [] -product(A,B,C)| -product(B,A,D)|product(C,D,B).
% 1.73/1.97  
% 1.73/1.97  ------------> process sos:
% 1.73/1.97  ** KEPT (pick-wt=3): 41 [] next(e_0,e_1).
% 1.73/1.97  ** KEPT (pick-wt=3): 42 [] next(e_1,e_2).
% 1.73/1.97  ** KEPT (pick-wt=3): 43 [] next(e_2,e_3).
% 1.73/1.97  ** KEPT (pick-wt=3): 44 [] next(e_3,e_4).
% 1.73/1.97  ** KEPT (pick-wt=3): 45 [] greater(e_1,e_0).
% 1.73/1.97  ** KEPT (pick-wt=3): 46 [] greater(e_2,e_0).
% 1.73/1.97  ** KEPT (pick-wt=3): 47 [] greater(e_3,e_0).
% 1.73/1.97  ** KEPT (pick-wt=3): 48 [] greater(e_4,e_0).
% 1.73/1.97  ** KEPT (pick-wt=3): 49 [] greater(e_2,e_1).
% 1.73/1.97  ** KEPT (pick-wt=3): 50 [] greater(e_3,e_1).
% 1.73/1.97  ** KEPT (pick-wt=3): 51 [] greater(e_4,e_1).
% 1.73/1.97  ** KEPT (pick-wt=3): 52 [] greater(e_3,e_2).
% 1.73/1.97  ** KEPT (pick-wt=3): 53 [] greater(e_4,e_2).
% 1.73/1.97  ** KEPT (pick-wt=3): 54 [] greater(e_4,e_3).
% 1.73/1.97  ** KEPT (pick-wt=3): 55 [] cycle(e_4,e_0).
% 1.73/1.97  ** KEPT (pick-wt=2): 56 [] group_element(e_1).
% 1.73/1.97  ** KEPT (pick-wt=2): 57 [] group_element(e_2).
% 1.73/1.97  ** KEPT (pick-wt=2): 58 [] group_element(e_3).
% 1.73/1.97  ** KEPT (pick-wt=2): 59 [] group_element(e_4).
% 1.73/1.97  ** KEPT (pick-wt=4): 60 [] product(A,A,A).
% 1.73/1.97  
% 1.73/1.97  ======= end of input processing =======
% 1.73/1.97  
% 1.73/1.97  =========== start of search ===========
% 1.73/1.97  
% 1.73/1.97  -------- PROOF -------- 
% 1.73/1.97  
% 1.73/1.97  ----> UNIT CONFLICT at   0.03 sec ----> 215 [binary,214.1,11.1] $F.
% 1.73/1.97  
% 1.73/1.97  Length of proof is 24.  Level of proof is 14.
% 1.73/1.97  
% 1.73/1.97  ---------------- PROOF ----------------
% 1.73/1.97  % SZS status Unsatisfiable
% 1.73/1.97  % SZS output start Refutation
% See solution above
% 1.73/1.97  ------------ end of proof -------------
% 1.73/1.97  
% 1.73/1.97  
% 1.73/1.97  Search stopped by max_proofs option.
% 1.73/1.97  
% 1.73/1.97  
% 1.73/1.97  Search stopped by max_proofs option.
% 1.73/1.97  
% 1.73/1.97  ============ end of search ============
% 1.73/1.97  
% 1.73/1.97  -------------- statistics -------------
% 1.73/1.97  clauses given                 60
% 1.73/1.97  clauses generated           1198
% 1.73/1.97  clauses kept                 214
% 1.73/1.97  clauses forward subsumed    1027
% 1.73/1.97  clauses back subsumed        132
% 1.73/1.97  Kbytes malloced              976
% 1.73/1.97  
% 1.73/1.97  ----------- times (seconds) -----------
% 1.73/1.97  user CPU time          0.03          (0 hr, 0 min, 0 sec)
% 1.73/1.97  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.73/1.97  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.73/1.97  
% 1.73/1.97  That finishes the proof of the theorem.
% 1.73/1.97  
% 1.73/1.97  Process 11115 finished Wed Jul 27 05:28:08 2022
% 1.73/1.97  Otter interrupted
% 1.73/1.97  PROOF FOUND
%------------------------------------------------------------------------------