TSTP Solution File: SET790+4 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET790+4 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %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  : 600s
% DateTime : Tue Jul 19 05:28:41 EDT 2022

% Result   : Theorem 2.18s 2.36s
% Output   : Refutation 2.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   20 (   8 unt;   0 nHn;  20 RR)
%            Number of literals    :   48 (   0 equ;  35 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    :    8 (   8 usr;   8 con; 0-0 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    order(skc4,skc5),
    file('SET790+4.p',unknown),
    [] ).

cnf(2,axiom,
    least(skc7,skc4,skc5),
    file('SET790+4.p',unknown),
    [] ).

cnf(3,axiom,
    least(skc6,skc4,skc5),
    file('SET790+4.p',unknown),
    [] ).

cnf(4,axiom,
    ~ equal(skc7,skc6),
    file('SET790+4.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ order(u,v)
    | skP1(u,v) ),
    file('SET790+4.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ least(u,v,w)
    | member(u,w) ),
    file('SET790+4.p',unknown),
    [] ).

cnf(33,axiom,
    ( ~ member(u,v)
    | ~ least(w,x,v)
    | apply(x,w,u) ),
    file('SET790+4.p',unknown),
    [] ).

cnf(63,axiom,
    ( ~ member(u,v)
    | ~ member(w,v)
    | ~ skP1(x,v)
    | ~ apply(x,u,w)
    | ~ apply(x,w,u)
    | equal(w,u) ),
    file('SET790+4.p',unknown),
    [] ).

cnf(70,plain,
    skP1(skc4,skc5),
    inference(res,[status(thm),theory(equality)],[1,6]),
    [iquote('0:Res:1.0,6.0')] ).

cnf(77,plain,
    ( ~ skP1(u,v)
    | ~ member(skc7,v)
    | ~ member(skc6,v)
    | ~ apply(u,skc7,skc6)
    | ~ apply(u,skc6,skc7) ),
    inference(res,[status(thm),theory(equality)],[63,4]),
    [iquote('0:Res:63.5,4.0')] ).

cnf(78,plain,
    member(skc6,skc5),
    inference(res,[status(thm),theory(equality)],[3,12]),
    [iquote('0:Res:3.0,12.0')] ).

cnf(79,plain,
    ( ~ member(u,skc5)
    | apply(skc4,skc6,u) ),
    inference(res,[status(thm),theory(equality)],[3,33]),
    [iquote('0:Res:3.0,33.1')] ).

cnf(80,plain,
    member(skc7,skc5),
    inference(res,[status(thm),theory(equality)],[2,12]),
    [iquote('0:Res:2.0,12.0')] ).

cnf(81,plain,
    ( ~ member(u,skc5)
    | apply(skc4,skc7,u) ),
    inference(res,[status(thm),theory(equality)],[2,33]),
    [iquote('0:Res:2.0,33.1')] ).

cnf(5655,plain,
    ( ~ member(skc6,skc5)
    | ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u)
    | ~ apply(skc4,skc6,skc7) ),
    inference(res,[status(thm),theory(equality)],[81,77]),
    [iquote('0:Res:81.1,77.3')] ).

cnf(5656,plain,
    ( ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u)
    | ~ apply(skc4,skc6,skc7) ),
    inference(mrr,[status(thm)],[5655,78]),
    [iquote('0:MRR:5655.0,78.0')] ).

cnf(5682,plain,
    ( ~ member(skc7,skc5)
    | ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u) ),
    inference(res,[status(thm),theory(equality)],[79,5656]),
    [iquote('0:Res:79.1,5656.3')] ).

cnf(5685,plain,
    ( ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u) ),
    inference(mrr,[status(thm)],[5682,80]),
    [iquote('0:MRR:5682.0,80.0')] ).

cnf(5721,plain,
    ( ~ member(skc7,skc5)
    | ~ member(skc6,skc5) ),
    inference(res,[status(thm),theory(equality)],[70,5685]),
    [iquote('0:Res:70.0,5685.0')] ).

cnf(5722,plain,
    $false,
    inference(mrr,[status(thm)],[5721,80,78]),
    [iquote('0:MRR:5721.0,5721.1,80.0,78.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET790+4 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : run_spass %d %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  : 600
% 0.13/0.34  % DateTime : Sun Jul 10 09:43:11 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 2.18/2.36  
% 2.18/2.36  SPASS V 3.9 
% 2.18/2.36  SPASS beiseite: Proof found.
% 2.18/2.36  % SZS status Theorem
% 2.18/2.36  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 2.18/2.36  SPASS derived 5204 clauses, backtracked 2028 clauses, performed 96 splits and kept 4156 clauses.
% 2.18/2.36  SPASS allocated 90470 KBytes.
% 2.18/2.36  SPASS spent	0:00:01.98 on the problem.
% 2.18/2.36  		0:00:00.04 for the input.
% 2.18/2.36  		0:00:00.22 for the FLOTTER CNF translation.
% 2.18/2.36  		0:00:00.09 for inferences.
% 2.18/2.36  		0:00:00.09 for the backtracking.
% 2.18/2.36  		0:00:01.48 for the reduction.
% 2.18/2.36  
% 2.18/2.36  
% 2.18/2.36  Here is a proof with depth 4, length 20 :
% 2.18/2.36  % SZS output start Refutation
% See solution above
% 2.18/2.36  Formulae used in the proof : thIV2 order least
% 2.18/2.36  
%------------------------------------------------------------------------------