TSTP Solution File: SET789+4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET789+4 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n010.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 3.74s 3.99s
% Output   : Refutation 3.74s
% 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('SET789+4.p',unknown),
    [] ).

cnf(2,axiom,
    greatest(skc7,skc4,skc5),
    file('SET789+4.p',unknown),
    [] ).

cnf(3,axiom,
    greatest(skc6,skc4,skc5),
    file('SET789+4.p',unknown),
    [] ).

cnf(4,axiom,
    ~ equal(skc7,skc6),
    file('SET789+4.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ order(u,v)
    | skP1(u,v) ),
    file('SET789+4.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ greatest(u,v,w)
    | member(u,w) ),
    file('SET789+4.p',unknown),
    [] ).

cnf(32,axiom,
    ( ~ member(u,v)
    | ~ greatest(w,x,v)
    | apply(x,u,w) ),
    file('SET789+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('SET789+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)],[3,11]),
    [iquote('0:Res:3.0,11.0')] ).

cnf(79,plain,
    ( ~ member(u,skc5)
    | apply(skc4,u,skc6) ),
    inference(res,[status(thm),theory(equality)],[3,32]),
    [iquote('0:Res:3.0,32.1')] ).

cnf(80,plain,
    member(skc7,skc5),
    inference(res,[status(thm),theory(equality)],[2,11]),
    [iquote('0:Res:2.0,11.0')] ).

cnf(81,plain,
    ( ~ member(u,skc5)
    | apply(skc4,u,skc7) ),
    inference(res,[status(thm),theory(equality)],[2,32]),
    [iquote('0:Res:2.0,32.1')] ).

cnf(7744,plain,
    ( ~ member(skc7,skc5)
    | ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u)
    | ~ apply(skc4,skc6,skc7) ),
    inference(res,[status(thm),theory(equality)],[79,77]),
    [iquote('0:Res:79.1,77.3')] ).

cnf(7745,plain,
    ( ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u)
    | ~ apply(skc4,skc6,skc7) ),
    inference(mrr,[status(thm)],[7744,80]),
    [iquote('0:MRR:7744.0,80.0')] ).

cnf(8744,plain,
    ( ~ member(skc6,skc5)
    | ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u) ),
    inference(res,[status(thm),theory(equality)],[81,7745]),
    [iquote('0:Res:81.1,7745.3')] ).

cnf(8745,plain,
    ( ~ skP1(skc4,u)
    | ~ member(skc7,u)
    | ~ member(skc6,u) ),
    inference(mrr,[status(thm)],[8744,78]),
    [iquote('0:MRR:8744.0,78.0')] ).

cnf(8784,plain,
    ( ~ member(skc7,skc5)
    | ~ member(skc6,skc5) ),
    inference(res,[status(thm),theory(equality)],[70,8745]),
    [iquote('0:Res:70.0,8745.0')] ).

cnf(8785,plain,
    $false,
    inference(mrr,[status(thm)],[8784,80,78]),
    [iquote('0:MRR:8784.0,8784.1,80.0,78.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.14  % Problem  : SET789+4 : TPTP v8.1.0. Released v3.2.0.
% 0.08/0.15  % Command  : run_spass %d %s
% 0.15/0.36  % Computer : n010.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.37  % WCLimit  : 600
% 0.15/0.37  % DateTime : Mon Jul 11 04:37:45 EDT 2022
% 0.15/0.37  % CPUTime  : 
% 3.74/3.99  
% 3.74/3.99  SPASS V 3.9 
% 3.74/3.99  SPASS beiseite: Proof found.
% 3.74/3.99  % SZS status Theorem
% 3.74/3.99  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 3.74/3.99  SPASS derived 8078 clauses, backtracked 3535 clauses, performed 162 splits and kept 6329 clauses.
% 3.74/3.99  SPASS allocated 92488 KBytes.
% 3.74/3.99  SPASS spent	0:00:03.55 on the problem.
% 3.74/3.99  		0:00:00.04 for the input.
% 3.74/3.99  		0:00:00.19 for the FLOTTER CNF translation.
% 3.74/3.99  		0:00:00.16 for inferences.
% 3.74/3.99  		0:00:00.18 for the backtracking.
% 3.74/3.99  		0:00:02.90 for the reduction.
% 3.74/3.99  
% 3.74/3.99  
% 3.74/3.99  Here is a proof with depth 4, length 20 :
% 3.74/3.99  % SZS output start Refutation
% See solution above
% 3.74/3.99  Formulae used in the proof : thIV1 order greatest
% 3.74/3.99  
%------------------------------------------------------------------------------