TSTP Solution File: GRP583-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP583-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n020.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  : 600s
% DateTime : Sat Jul 16 08:48:04 EDT 2022

% Result   : Unsatisfiable 0.82s 1.22s
% Output   : Refutation 0.82s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   68 (  68 unt;   0 nHn;   6 RR)
%            Number of literals    :   68 (   0 equ;   4 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :  128 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)),C),
    file('GRP583-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),double_divide(double_divide(B,A),identity)),
    file('GRP583-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(inverse(A),double_divide(A,identity)),
    file('GRP583-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(double_divide(A,double_divide(A,identity)),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),1]),
    [iquote('demod([3]),flip(1)')] ).

cnf(5,plain,
    ~ equal(double_divide(double_divide(double_divide(double_divide(c3,b3),identity),a3),identity),double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[2,2,2,2]),1]),
    [iquote('demod([2,2,2,2]),flip(1)')] ).

cnf(6,plain,
    equal(double_divide(double_divide(double_divide(identity,identity),double_divide(double_divide(identity,double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A))))),double_divide(D,C))),double_divide(identity,identity)),D),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(7,plain,
    equal(double_divide(double_divide(identity,double_divide(double_divide(identity,identity),A)),double_divide(identity,identity)),double_divide(B,double_divide(double_divide(identity,C),double_divide(A,double_divide(C,B))))),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(8,plain,
    equal(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(double_divide(identity,double_divide(double_divide(identity,identity),C)),double_divide(identity,identity))),
    inference(flip,[status(thm),theory(equality)],[7]),
    [iquote('flip(7)')] ).

cnf(9,plain,
    equal(double_divide(double_divide(A,double_divide(identity,double_divide(B,double_divide(double_divide(identity,identity),A)))),double_divide(identity,identity)),B),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(10,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(double_divide(identity,A),double_divide(B,identity))),double_divide(identity,identity)),B),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(11,plain,
    equal(double_divide(double_divide(identity,double_divide(double_divide(identity,A),identity)),double_divide(identity,identity)),A),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(12,plain,
    equal(double_divide(identity,identity),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,11]),4,4]),1]),
    [iquote('para(4,11),demod([4,4]),flip(1)')] ).

cnf(13,plain,
    equal(double_divide(double_divide(identity,double_divide(double_divide(identity,A),identity)),identity),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[11]),12]),
    [iquote('back_demod(11),demod([12])')] ).

cnf(14,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(double_divide(identity,A),double_divide(B,identity))),identity),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[10]),12]),
    [iquote('back_demod(10),demod([12])')] ).

cnf(15,plain,
    equal(double_divide(double_divide(A,double_divide(identity,double_divide(B,double_divide(identity,A)))),identity),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[9]),12,12]),
    [iquote('back_demod(9),demod([12,12])')] ).

cnf(16,plain,
    equal(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(double_divide(identity,double_divide(identity,C)),identity)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[8]),12,12]),
    [iquote('back_demod(8),demod([12,12])')] ).

cnf(17,plain,
    equal(double_divide(double_divide(identity,double_divide(identity,A)),identity),double_divide(B,double_divide(double_divide(identity,C),double_divide(A,double_divide(C,B))))),
    inference(flip,[status(thm),theory(equality)],[16]),
    [iquote('flip(16)')] ).

cnf(18,plain,
    equal(double_divide(double_divide(identity,double_divide(double_divide(identity,double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A))))),double_divide(D,C))),identity),D),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[6]),12,12]),
    [iquote('back_demod(6),demod([12,12])')] ).

cnf(21,plain,
    equal(double_divide(double_divide(identity,double_divide(identity,double_divide(A,identity))),identity),A),
    inference(para,[status(thm),theory(equality)],[12,15]),
    [iquote('para(12,15)')] ).

cnf(26,plain,
    equal(double_divide(double_divide(double_divide(A,identity),identity),identity),double_divide(identity,A)),
    inference(para,[status(thm),theory(equality)],[4,14]),
    [iquote('para(4,14)')] ).

cnf(28,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(double_divide(identity,A),B)),identity),double_divide(identity,double_divide(double_divide(identity,B),identity))),
    inference(para,[status(thm),theory(equality)],[13,14]),
    [iquote('para(13,14)')] ).

cnf(29,plain,
    equal(double_divide(identity,double_divide(double_divide(identity,double_divide(A,identity)),identity)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[14]),28]),
    [iquote('back_demod(14),demod([28])')] ).

cnf(30,plain,
    equal(double_divide(double_divide(identity,A),identity),double_divide(identity,double_divide(A,identity))),
    inference(para,[status(thm),theory(equality)],[21,13]),
    [iquote('para(21,13)')] ).

cnf(31,plain,
    equal(double_divide(identity,double_divide(identity,double_divide(double_divide(A,identity),identity))),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[29]),30]),
    [iquote('back_demod(29),demod([30])')] ).

cnf(32,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(double_divide(identity,A),B)),identity),double_divide(identity,double_divide(identity,double_divide(B,identity)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[28]),30]),
    [iquote('back_demod(28),demod([30])')] ).

cnf(33,plain,
    equal(double_divide(identity,double_divide(double_divide(double_divide(identity,double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A))))),double_divide(D,C)),identity)),D),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[18]),30]),
    [iquote('back_demod(18),demod([30])')] ).

cnf(34,plain,
    equal(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,double_divide(identity,double_divide(C,identity)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[17]),30,30]),1]),
    [iquote('back_demod(17),demod([30,30]),flip(1)')] ).

cnf(35,plain,
    equal(double_divide(identity,double_divide(double_divide(double_divide(identity,double_divide(identity,double_divide(identity,double_divide(A,identity)))),double_divide(B,A)),identity)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[33]),34]),
    [iquote('back_demod(33),demod([34])')] ).

cnf(37,plain,
    equal(double_divide(double_divide(A,identity),identity),double_divide(identity,double_divide(identity,double_divide(identity,double_divide(A,identity))))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[26,31]),30]),1]),
    [iquote('para(26,31),demod([30]),flip(1)')] ).

cnf(38,plain,
    equal(double_divide(identity,double_divide(identity,double_divide(identity,double_divide(identity,double_divide(identity,double_divide(A,identity)))))),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[31]),37]),
    [iquote('back_demod(31),demod([37])')] ).

cnf(40,plain,
    equal(double_divide(identity,double_divide(identity,double_divide(identity,A))),double_divide(A,identity)),
    inference(para,[status(thm),theory(equality)],[26,31]),
    [iquote('para(26,31)')] ).

cnf(41,plain,
    equal(double_divide(A,identity),double_divide(identity,double_divide(identity,double_divide(identity,A)))),
    inference(flip,[status(thm),theory(equality)],[40]),
    [iquote('flip(40)')] ).

cnf(46,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(double_divide(identity,A),B)),double_divide(identity,double_divide(identity,double_divide(B,identity)))),identity),
    inference(para,[status(thm),theory(equality)],[32,4]),
    [iquote('para(32,4)')] ).

cnf(48,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(identity,double_divide(A,identity))),identity),identity),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,46]),30,12,12]),
    [iquote('para(12,46),demod([30,12,12])')] ).

cnf(51,plain,
    equal(double_divide(double_divide(A,double_divide(identity,A)),identity),identity),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[15,48]),15]),
    [iquote('para(15,48),demod([15])')] ).

cnf(54,plain,
    equal(double_divide(A,double_divide(identity,A)),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[51,38]),12,12,12,12,12]),1]),
    [iquote('para(51,38),demod([12,12,12,12,12]),flip(1)')] ).

cnf(58,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(identity,double_divide(identity,double_divide(B,identity)))),identity),double_divide(identity,double_divide(identity,double_divide(double_divide(double_divide(identity,C),double_divide(B,double_divide(C,double_divide(identity,A)))),identity)))),
    inference(para,[status(thm),theory(equality)],[34,32]),
    [iquote('para(34,32)')] ).

cnf(59,plain,
    equal(double_divide(identity,double_divide(identity,double_divide(double_divide(double_divide(identity,A),double_divide(B,double_divide(A,double_divide(identity,C)))),identity))),double_divide(double_divide(double_divide(C,identity),double_divide(identity,double_divide(identity,double_divide(B,identity)))),identity)),
    inference(flip,[status(thm),theory(equality)],[58]),
    [iquote('flip(58)')] ).

cnf(60,plain,
    equal(double_divide(identity,double_divide(identity,double_divide(identity,double_divide(A,identity)))),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[54,15]),12,37]),
    [iquote('para(54,15),demod([12,37])')] ).

cnf(63,plain,
    equal(double_divide(identity,double_divide(identity,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[38]),60]),
    [iquote('back_demod(38),demod([60])')] ).

cnf(64,plain,
    equal(double_divide(identity,double_divide(A,identity)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[60]),63]),
    [iquote('back_demod(60),demod([63])')] ).

cnf(65,plain,
    equal(double_divide(identity,double_divide(double_divide(identity,A),double_divide(B,double_divide(A,double_divide(identity,C))))),double_divide(double_divide(double_divide(C,identity),double_divide(identity,B)),identity)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[59]),64,64]),
    [iquote('back_demod(59),demod([64,64])')] ).

cnf(66,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(identity,B)),identity),double_divide(identity,double_divide(double_divide(identity,C),double_divide(B,double_divide(C,double_divide(identity,A)))))),
    inference(flip,[status(thm),theory(equality)],[65]),
    [iquote('flip(65)')] ).

cnf(72,plain,
    equal(double_divide(A,double_divide(B,A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[35]),64,63,64]),
    [iquote('back_demod(35),demod([64,63,64])')] ).

cnf(80,plain,
    equal(double_divide(A,identity),double_divide(identity,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[41]),63]),
    [iquote('back_demod(41),demod([63])')] ).

cnf(84,plain,
    equal(double_divide(double_divide(A,B),A),B),
    inference(para,[status(thm),theory(equality)],[72,72]),
    [iquote('para(72,72)')] ).

cnf(86,plain,
    equal(double_divide(double_divide(double_divide(A,identity),double_divide(identity,B)),identity),double_divide(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,65]),63,63]),1]),
    [iquote('para(12,65),demod([63,63]),flip(1)')] ).

cnf(87,plain,
    equal(double_divide(identity,double_divide(double_divide(identity,A),double_divide(B,double_divide(A,double_divide(identity,C))))),double_divide(B,C)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[66]),86]),1]),
    [iquote('back_demod(66),demod([86]),flip(1)')] ).

cnf(89,plain,
    equal(double_divide(double_divide(A,B),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[72,15]),86]),
    [iquote('para(72,15),demod([86])')] ).

cnf(91,plain,
    equal(double_divide(A,B),double_divide(B,A)),
    inference(para,[status(thm),theory(equality)],[89,72]),
    [iquote('para(89,72)')] ).

cnf(92,plain,
    equal(double_divide(A,double_divide(A,B)),B),
    inference(para,[status(thm),theory(equality)],[72,89]),
    [iquote('para(72,89)')] ).

cnf(109,plain,
    ~ equal(double_divide(identity,double_divide(double_divide(double_divide(c3,b3),identity),a3)),double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity)),
    inference(para,[status(thm),theory(equality)],[80,5]),
    [iquote('para(80,5)')] ).

cnf(115,plain,
    equal(double_divide(identity,double_divide(A,B)),double_divide(double_divide(B,identity),double_divide(identity,A))),
    inference(para,[status(thm),theory(equality)],[86,72]),
    [iquote('para(86,72)')] ).

cnf(120,plain,
    equal(double_divide(double_divide(A,B),identity),double_divide(double_divide(B,identity),double_divide(identity,A))),
    inference(para,[status(thm),theory(equality)],[86,89]),
    [iquote('para(86,89)')] ).

cnf(121,plain,
    equal(double_divide(double_divide(A,identity),double_divide(identity,B)),double_divide(double_divide(B,A),identity)),
    inference(flip,[status(thm),theory(equality)],[120]),
    [iquote('flip(120)')] ).

cnf(167,plain,
    equal(double_divide(double_divide(A,identity),double_divide(identity,B)),double_divide(identity,double_divide(A,B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[91,115]),1]),
    [iquote('para(91,115),flip(1)')] ).

cnf(171,plain,
    equal(double_divide(double_divide(A,B),identity),double_divide(identity,double_divide(B,A))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[121]),167]),1]),
    [iquote('back_demod(121),demod([167]),flip(1)')] ).

cnf(176,plain,
    ~ equal(double_divide(identity,double_divide(double_divide(identity,double_divide(b3,c3)),a3)),double_divide(identity,double_divide(double_divide(identity,double_divide(a3,b3)),c3))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[109]),171,171,171]),
    [iquote('back_demod(109),demod([171,171,171])')] ).

cnf(184,plain,
    equal(double_divide(identity,double_divide(double_divide(identity,A),double_divide(B,double_divide(A,C)))),double_divide(B,double_divide(identity,C))),
    inference(para,[status(thm),theory(equality)],[92,87]),
    [iquote('para(92,87)')] ).

cnf(185,plain,
    equal(double_divide(A,double_divide(identity,B)),double_divide(identity,double_divide(double_divide(identity,C),double_divide(A,double_divide(C,B))))),
    inference(flip,[status(thm),theory(equality)],[184]),
    [iquote('flip(184)')] ).

cnf(187,plain,
    equal(double_divide(double_divide(identity,A),B),double_divide(identity,double_divide(A,double_divide(identity,B)))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[92,87]),1]),
    [iquote('para(92,87),flip(1)')] ).

cnf(188,plain,
    equal(double_divide(A,double_divide(identity,B)),double_divide(C,double_divide(identity,double_divide(A,double_divide(C,B))))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[185]),187,92]),
    [iquote('back_demod(185),demod([187,92])')] ).

cnf(189,plain,
    equal(double_divide(A,double_divide(identity,double_divide(B,double_divide(A,C)))),double_divide(B,double_divide(identity,C))),
    inference(flip,[status(thm),theory(equality)],[188]),
    [iquote('flip(188)')] ).

cnf(194,plain,
    ~ equal(double_divide(double_divide(b3,c3),double_divide(identity,a3)),double_divide(double_divide(a3,b3),double_divide(identity,c3))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[176]),187,92,187,92]),
    [iquote('back_demod(176),demod([187,92,187,92])')] ).

cnf(297,plain,
    equal(double_divide(double_divide(A,B),double_divide(identity,double_divide(C,B))),double_divide(C,double_divide(identity,A))),
    inference(para,[status(thm),theory(equality)],[84,189]),
    [iquote('para(84,189)')] ).

cnf(466,plain,
    equal(double_divide(double_divide(A,B),double_divide(identity,C)),double_divide(double_divide(B,C),double_divide(identity,A))),
    inference(para,[status(thm),theory(equality)],[84,297]),
    [iquote('para(84,297)')] ).

cnf(467,plain,
    equal(double_divide(double_divide(A,B),double_divide(identity,C)),double_divide(double_divide(C,A),double_divide(identity,B))),
    inference(flip,[status(thm),theory(equality)],[466]),
    [iquote('flip(466)')] ).

cnf(468,plain,
    $false,
    inference(conflict,[status(thm)],[467,194]),
    [iquote('conflict(467,194)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP583-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.33  % Computer : n020.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jun 13 21:19:50 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.82/1.22  ----- EQP 0.9e, May 2009 -----
% 0.82/1.22  The job began on n020.cluster.edu, Mon Jun 13 21:19:50 2022
% 0.82/1.22  The command was "./eqp09e".
% 0.82/1.22  
% 0.82/1.22  set(prolog_style_variables).
% 0.82/1.22  set(lrpo).
% 0.82/1.22  set(basic_paramod).
% 0.82/1.22  set(functional_subsume).
% 0.82/1.22  set(ordered_paramod).
% 0.82/1.22  set(prime_paramod).
% 0.82/1.22  set(para_pairs).
% 0.82/1.22  assign(pick_given_ratio,4).
% 0.82/1.22  clear(print_kept).
% 0.82/1.22  clear(print_new_demod).
% 0.82/1.22  clear(print_back_demod).
% 0.82/1.22  clear(print_given).
% 0.82/1.22  assign(max_mem,64000).
% 0.82/1.22  end_of_commands.
% 0.82/1.22  
% 0.82/1.22  Usable:
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Sos:
% 0.82/1.22  0 (wt=-1) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.82/1.22  0 (wt=-1) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.82/1.22  0 (wt=-1) [] inverse(A) = double_divide(A,identity).
% 0.82/1.22  0 (wt=-1) [] identity = double_divide(A,inverse(A)).
% 0.82/1.22  0 (wt=-1) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Demodulators:
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Passive:
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Starting to process input.
% 0.82/1.22  
% 0.82/1.22  ** KEPT: 1 (wt=17) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.82/1.22  1 is a new demodulator.
% 0.82/1.22  
% 0.82/1.22  ** KEPT: 2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.82/1.22  2 is a new demodulator.
% 0.82/1.22  
% 0.82/1.22  ** KEPT: 3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.82/1.22  3 is a new demodulator.
% 0.82/1.22  
% 0.82/1.22  ** KEPT: 4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.82/1.22  4 is a new demodulator.
% 0.82/1.22  
% 0.82/1.22  ** KEPT: 5 (wt=19) [demod([2,2,2,2]),flip(1)] -(double_divide(double_divide(double_divide(double_divide(c3,b3),identity),a3),identity) = double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity)).
% 0.82/1.22  ---------------- PROOF FOUND ----------------
% 0.82/1.22  % SZS status Unsatisfiable
% 0.82/1.22  
% 0.82/1.22  
% 0.82/1.22  After processing input:
% 0.82/1.22  
% 0.82/1.22  Usable:
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Sos:
% 0.82/1.22  3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.82/1.22  4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.82/1.22  2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.82/1.22  1 (wt=17) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.82/1.22  5 (wt=19) [demod([2,2,2,2]),flip(1)] -(double_divide(double_divide(double_divide(double_divide(c3,b3),identity),a3),identity) = double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity)).
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Demodulators:
% 0.82/1.22  1 (wt=17) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.82/1.22  2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.82/1.22  3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.82/1.22  4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  Passive:
% 0.82/1.22  end_of_list.
% 0.82/1.22  
% 0.82/1.22  UNIT CONFLICT from 467 and 194 at   0.04 seconds.
% 0.82/1.22  
% 0.82/1.22  ---------------- PROOF ----------------
% 0.82/1.22  % SZS output start Refutation
% See solution above
% 0.82/1.22  ------------ end of proof -------------
% 0.82/1.22  
% 0.82/1.22  
% 0.82/1.22  ------------- memory usage ------------
% 0.82/1.22  Memory dynamically allocated (tp_alloc): 976.
% 0.82/1.22    type (bytes each)        gets      frees     in use      avail      bytes
% 0.82/1.22  sym_ent (  96)               58          0         58          0      5.4 K
% 0.82/1.22  term (  16)               48400      41114       7286         33    141.1 K
% 0.82/1.22  gen_ptr (   8)            44123      14593      29530         67    231.2 K
% 0.82/1.22  context ( 808)            37520      37518          2          6      6.3 K
% 0.82/1.22  trail (  12)               2430       2430          0          5      0.1 K
% 0.82/1.22  bt_node (  68)            12693      12690          3         12      1.0 K
% 0.82/1.22  ac_position (285432)          0          0          0          0      0.0 K
% 0.82/1.22  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.82/1.22  ac_match_free_vars_pos (4020)
% 0.82/1.22                                0          0          0          0      0.0 K
% 0.82/1.22  discrim (  12)             4912       2906       2006        176     25.6 K
% 0.82/1.22  flat (  40)               94445      94445          0         31      1.2 K
% 0.82/1.22  discrim_pos (  12)         3226       3226          0          1      0.0 K
% 0.82/1.22  fpa_head (  12)             660          0        660          0      7.7 K
% 0.82/1.22  fpa_tree (  28)            2191       2191          0         41      1.1 K
% 0.82/1.22  fpa_pos (  36)              724        724          0          1      0.0 K
% 0.82/1.22  literal (  12)             2940       2473        467          1      5.5 K
% 0.82/1.22  clause (  24)              2940       2473        467          1     11.0 K
% 0.82/1.22  list (  12)                 316        260         56          5      0.7 K
% 0.82/1.22  list_pos (  20)            2172       1173        999         53     20.5 K
% 0.82/1.22  pair_index (   40)              2          0          2          0      0.1 K
% 0.82/1.22  
% 0.82/1.22  -------------- statistics -------------
% 0.82/1.22  Clauses input                  5
% 0.82/1.22    Usable input                   0
% 0.82/1.22    Sos input                      5
% 0.82/1.22    Demodulators input             0
% 0.82/1.22    Passive input                  0
% 0.82/1.22  
% 0.82/1.22  Processed BS (before search)   5
% 0.82/1.22  Forward subsumed BS            0
% 0.82/1.22  Kept BS                        5
% 0.82/1.22  New demodulators BS            4
% 0.82/1.22  Back demodulated BS            0
% 0.82/1.22  
% 0.82/1.22  Clauses or pairs given      1617
% 0.82/1.22  Clauses generated           1824
% 0.82/1.22  Forward subsumed            1362
% 0.82/1.22  Deleted by weight              0
% 0.82/1.22  Deleted by variable count      0
% 0.82/1.22  Kept                         462
% 0.82/1.22  New demodulators             253
% 0.82/1.22  Back demodulated             245
% 0.82/1.22  Ordered paramod prunes         0
% 0.82/1.22  Basic paramod prunes        6194
% 0.82/1.22  Prime paramod prunes         147
% 0.82/1.22  Semantic prunes                0
% 0.82/1.22  
% 0.82/1.22  Rewrite attmepts           20298
% 0.82/1.22  Rewrites                    2535
% 0.82/1.22  
% 0.82/1.22  FPA overloads                  0
% 0.82/1.22  FPA underloads                 0
% 0.82/1.22  
% 0.82/1.22  Usable size                    0
% 0.82/1.22  Sos size                     221
% 0.82/1.22  Demodulators size             91
% 0.82/1.22  Passive size                   0
% 0.82/1.22  Disabled size                245
% 0.82/1.22  
% 0.82/1.22  Proofs found                   1
% 0.82/1.22  
% 0.82/1.22  ----------- times (seconds) ----------- Mon Jun 13 21:19:50 2022
% 0.82/1.22  
% 0.82/1.22  user CPU time             0.04   (0 hr, 0 min, 0 sec)
% 0.82/1.22  system CPU time           0.05   (0 hr, 0 min, 0 sec)
% 0.82/1.22  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.82/1.22  input time                0.00
% 0.82/1.22  paramodulation time       0.01
% 0.82/1.22  demodulation time         0.01
% 0.82/1.22  orient time               0.01
% 0.82/1.22  weigh time                0.00
% 0.82/1.22  forward subsume time      0.00
% 0.82/1.22  back demod find time      0.00
% 0.82/1.22  conflict time             0.00
% 0.82/1.22  LRPO time                 0.00
% 0.82/1.22  store clause time         0.00
% 0.82/1.22  disable clause time       0.00
% 0.82/1.22  prime paramod time        0.00
% 0.82/1.22  semantics time            0.00
% 0.82/1.22  
% 0.82/1.22  EQP interrupted
%------------------------------------------------------------------------------