TSTP Solution File: GRP587-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP587-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 11:48:10 EDT 2022

% Result   : Unsatisfiable 0.50s 0.73s
% Output   : Refutation 0.50s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   46 (  46 unt;   0 nHn;  46 RR)
%            Number of literals    :   46 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(double_divide(u,inverse(double_divide(inverse(double_divide(double_divide(u,v),inverse(w))),v))),w),
    file('GRP587-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(inverse(double_divide(u,v)),multiply(v,u)),
    file('GRP587-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP587-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(double_divide(u,multiply(v,multiply(inverse(w),double_divide(u,v)))),w),
    inference(rew,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Rew:2.0,1.0,2.0,1.0')] ).

cnf(6,plain,
    equal(multiply(multiply(u,multiply(inverse(v),double_divide(w,u))),w),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[4,2]),
    [iquote('0:SpR:4.0,2.0')] ).

cnf(7,plain,
    equal(double_divide(u,multiply(multiply(v,multiply(inverse(w),double_divide(u,v))),multiply(inverse(x),w))),x),
    inference(spr,[status(thm),theory(equality)],[4]),
    [iquote('0:SpR:4.0,4.0')] ).

cnf(9,plain,
    equal(double_divide(u,multiply(v,multiply(multiply(w,x),double_divide(u,v)))),double_divide(x,w)),
    inference(spr,[status(thm),theory(equality)],[2,4]),
    [iquote('0:SpR:2.0,4.0')] ).

cnf(12,plain,
    equal(multiply(multiply(u,multiply(multiply(v,w),double_divide(x,u))),x),multiply(v,w)),
    inference(spr,[status(thm),theory(equality)],[2,6]),
    [iquote('0:SpR:2.0,6.0')] ).

cnf(44,plain,
    equal(double_divide(multiply(inverse(u),v),inverse(v)),u),
    inference(spr,[status(thm),theory(equality)],[6,7]),
    [iquote('0:SpR:6.0,7.0')] ).

cnf(45,plain,
    equal(multiply(inverse(u),multiply(inverse(v),u)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[44,2]),
    [iquote('0:SpR:44.0,2.0')] ).

cnf(56,plain,
    equal(double_divide(inverse(u),inverse(multiply(inverse(u),v))),v),
    inference(spr,[status(thm),theory(equality)],[45,44]),
    [iquote('0:SpR:45.0,44.0')] ).

cnf(58,plain,
    equal(multiply(inverse(multiply(inverse(u),v)),inverse(u)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[45]),
    [iquote('0:SpR:45.0,45.0')] ).

cnf(94,plain,
    equal(double_divide(inverse(u),inverse(inverse(v))),multiply(inverse(v),u)),
    inference(spr,[status(thm),theory(equality)],[45,56]),
    [iquote('0:SpR:45.0,56.0')] ).

cnf(119,plain,
    equal(double_divide(inverse(u),inverse(multiply(v,w))),multiply(multiply(v,w),u)),
    inference(spr,[status(thm),theory(equality)],[2,94]),
    [iquote('0:SpR:2.0,94.0')] ).

cnf(121,plain,
    equal(multiply(multiply(inverse(u),v),u),v),
    inference(rew,[status(thm),theory(equality)],[119,56]),
    [iquote('0:Rew:119.0,56.0')] ).

cnf(124,plain,
    equal(multiply(inverse(u),double_divide(v,inverse(v))),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[121,6]),
    [iquote('0:SpR:121.0,6.0')] ).

cnf(127,plain,
    equal(double_divide(u,inverse(double_divide(v,w))),double_divide(v,multiply(w,u))),
    inference(spr,[status(thm),theory(equality)],[121,9]),
    [iquote('0:SpR:121.0,9.0')] ).

cnf(128,plain,
    equal(multiply(inverse(double_divide(u,v)),w),multiply(multiply(v,w),u)),
    inference(spr,[status(thm),theory(equality)],[121,12]),
    [iquote('0:SpR:121.0,12.0')] ).

cnf(134,plain,
    equal(double_divide(u,multiply(v,w)),double_divide(w,multiply(v,u))),
    inference(rew,[status(thm),theory(equality)],[2,127]),
    [iquote('0:Rew:2.0,127.0')] ).

cnf(136,plain,
    equal(multiply(multiply(u,v),w),multiply(multiply(u,w),v)),
    inference(rew,[status(thm),theory(equality)],[2,128]),
    [iquote('0:Rew:2.0,128.0')] ).

cnf(161,plain,
    equal(double_divide(u,multiply(inverse(u),inverse(v))),v),
    inference(spr,[status(thm),theory(equality)],[124,4]),
    [iquote('0:SpR:124.0,4.0')] ).

cnf(165,plain,
    equal(double_divide(inverse(u),inverse(double_divide(v,inverse(v)))),u),
    inference(spr,[status(thm),theory(equality)],[124,44]),
    [iquote('0:SpR:124.0,44.0')] ).

cnf(167,plain,
    equal(multiply(inverse(u),u),double_divide(v,inverse(v))),
    inference(spr,[status(thm),theory(equality)],[124,121]),
    [iquote('0:SpR:124.0,121.0')] ).

cnf(176,plain,
    equal(double_divide(inverse(u),multiply(inverse(v),v)),u),
    inference(rew,[status(thm),theory(equality)],[2,165]),
    [iquote('0:Rew:2.0,165.0')] ).

cnf(205,plain,
    equal(multiply(double_divide(u,inverse(u)),v),v),
    inference(spr,[status(thm),theory(equality)],[167,121]),
    [iquote('0:SpR:167.0,121.0')] ).

cnf(217,plain,
    equal(multiply(inverse(u),u),multiply(inverse(v),v)),
    inference(spr,[status(thm),theory(equality)],[167,94]),
    [iquote('0:SpR:167.0,94.0')] ).

cnf(248,plain,
    equal(multiply(multiply(inverse(u),u),v),v),
    inference(spr,[status(thm),theory(equality)],[94,205]),
    [iquote('0:SpR:94.0,205.0')] ).

cnf(312,plain,
    equal(double_divide(u,multiply(inverse(v),double_divide(u,multiply(inverse(w),w)))),v),
    inference(spr,[status(thm),theory(equality)],[248,4]),
    [iquote('0:SpR:248.0,4.0')] ).

cnf(324,plain,
    equal(double_divide(inverse(u),multiply(multiply(inverse(v),v),multiply(inverse(w),u))),w),
    inference(spr,[status(thm),theory(equality)],[176,4]),
    [iquote('0:SpR:176.0,4.0')] ).

cnf(334,plain,
    equal(double_divide(inverse(u),multiply(inverse(v),u)),v),
    inference(rew,[status(thm),theory(equality)],[248,324]),
    [iquote('0:Rew:248.0,324.0')] ).

cnf(335,plain,
    equal(double_divide(u,multiply(inverse(v),inverse(u))),v),
    inference(rew,[status(thm),theory(equality)],[134,334]),
    [iquote('0:Rew:134.0,334.0')] ).

cnf(547,plain,
    equal(inverse(inverse(u)),u),
    inference(spr,[status(thm),theory(equality)],[335,176]),
    [iquote('0:SpR:335.0,176.0')] ).

cnf(550,plain,
    equal(double_divide(u,multiply(inverse(v),v)),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[217,335]),
    [iquote('0:SpR:217.0,335.0')] ).

cnf(553,plain,
    equal(multiply(inverse(u),v),double_divide(u,inverse(v))),
    inference(spr,[status(thm),theory(equality)],[58,335]),
    [iquote('0:SpR:58.0,335.0')] ).

cnf(571,plain,
    equal(double_divide(u,multiply(inverse(v),inverse(u))),v),
    inference(rew,[status(thm),theory(equality)],[550,312]),
    [iquote('0:Rew:550.0,312.0')] ).

cnf(607,plain,
    equal(double_divide(u,double_divide(u,inverse(inverse(v)))),v),
    inference(rew,[status(thm),theory(equality)],[553,161]),
    [iquote('0:Rew:553.0,161.0')] ).

cnf(694,plain,
    equal(double_divide(u,double_divide(v,u)),v),
    inference(rew,[status(thm),theory(equality)],[547,571,553]),
    [iquote('0:Rew:547.0,571.0,553.0,571.0')] ).

cnf(701,plain,
    equal(double_divide(u,double_divide(u,v)),v),
    inference(rew,[status(thm),theory(equality)],[547,607]),
    [iquote('0:Rew:547.0,607.0')] ).

cnf(962,plain,
    equal(double_divide(u,v),double_divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[694,701]),
    [iquote('0:SpR:694.0,701.0')] ).

cnf(1019,plain,
    equal(inverse(double_divide(u,v)),multiply(u,v)),
    inference(spr,[status(thm),theory(equality)],[962,2]),
    [iquote('0:SpR:962.0,2.0')] ).

cnf(1029,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[2,1019]),
    [iquote('0:Rew:2.0,1019.0')] ).

cnf(1030,plain,
    ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[1029,3]),
    [iquote('0:Rew:1029.0,3.0')] ).

cnf(1710,plain,
    equal(multiply(multiply(u,v),w),multiply(v,multiply(u,w))),
    inference(spr,[status(thm),theory(equality)],[136,1029]),
    [iquote('0:SpR:136.0,1029.0')] ).

cnf(1732,plain,
    equal(multiply(multiply(u,v),w),multiply(multiply(v,w),u)),
    inference(spr,[status(thm),theory(equality)],[1029,136]),
    [iquote('0:SpR:1029.0,136.0')] ).

cnf(1775,plain,
    equal(multiply(u,multiply(v,w)),multiply(w,multiply(u,v))),
    inference(rew,[status(thm),theory(equality)],[1710,1732]),
    [iquote('0:Rew:1710.0,1732.0,1710.0,1732.0')] ).

cnf(1776,plain,
    $false,
    inference(unc,[status(thm)],[1775,1030]),
    [iquote('0:UnC:1775.0,1030.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP587-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n021.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  : 600
% 0.12/0.33  % DateTime : Tue Jun 14 08:06:42 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.50/0.73  
% 0.50/0.73  SPASS V 3.9 
% 0.50/0.73  SPASS beiseite: Proof found.
% 0.50/0.73  % SZS status Theorem
% 0.50/0.73  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.50/0.73  SPASS derived 1046 clauses, backtracked 0 clauses, performed 0 splits and kept 469 clauses.
% 0.50/0.73  SPASS allocated 65977 KBytes.
% 0.50/0.73  SPASS spent	0:00:00.37 on the problem.
% 0.50/0.73  		0:00:00.03 for the input.
% 0.50/0.73  		0:00:00.00 for the FLOTTER CNF translation.
% 0.50/0.73  		0:00:00.01 for inferences.
% 0.50/0.73  		0:00:00.00 for the backtracking.
% 0.50/0.73  		0:00:00.30 for the reduction.
% 0.50/0.73  
% 0.50/0.73  
% 0.50/0.73  Here is a proof with depth 12, length 46 :
% 0.50/0.73  % SZS output start Refutation
% See solution above
% 0.50/0.73  Formulae used in the proof : single_axiom multiply prove_these_axioms_3
% 0.50/0.73  
%------------------------------------------------------------------------------