TSTP Solution File: SEU245+1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SEU245+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n006.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 14:35:29 EDT 2022

% Result   : Theorem 0.48s 0.70s
% Output   : Refutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   26 (  12 unt;   2 nHn;  26 RR)
%            Number of literals    :   46 (   0 equ;  23 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 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,
    relation(skc8),
    file('SEU245+1.p',unknown),
    [] ).

cnf(18,axiom,
    equal(set_intersection2(u,v),set_intersection2(v,u)),
    file('SEU245+1.p',unknown),
    [] ).

cnf(22,axiom,
    ( in(skc10,skc8)
    | in(skc10,relation_restriction(skc8,skc9)) ),
    file('SEU245+1.p',unknown),
    [] ).

cnf(26,axiom,
    ( in(skc10,cartesian_product2(skc9,skc9))
    | in(skc10,relation_restriction(skc8,skc9)) ),
    file('SEU245+1.p',unknown),
    [] ).

cnf(28,axiom,
    ( ~ relation(u)
    | equal(set_intersection2(u,cartesian_product2(v,v)),relation_restriction(u,v)) ),
    file('SEU245+1.p',unknown),
    [] ).

cnf(30,axiom,
    ( ~ in(u,v)
    | ~ equal(v,set_intersection2(w,x))
    | in(u,x) ),
    file('SEU245+1.p',unknown),
    [] ).

cnf(31,axiom,
    ( ~ in(skc10,skc8)
    | ~ in(skc10,cartesian_product2(skc9,skc9))
    | ~ in(skc10,relation_restriction(skc8,skc9)) ),
    file('SEU245+1.p',unknown),
    [] ).

cnf(32,axiom,
    ( ~ in(u,v)
    | ~ in(u,w)
    | ~ equal(x,set_intersection2(w,v))
    | in(u,x) ),
    file('SEU245+1.p',unknown),
    [] ).

cnf(37,plain,
    equal(set_intersection2(skc8,cartesian_product2(u,u)),relation_restriction(skc8,u)),
    inference(res,[status(thm),theory(equality)],[1,28]),
    [iquote('0:Res:1.0,28.0')] ).

cnf(40,plain,
    in(skc10,relation_restriction(skc8,skc9)),
    inference(spt,[spt(split,[position(s1)])],[22]),
    [iquote('1:Spt:22.1')] ).

cnf(41,plain,
    ( ~ in(skc10,skc8)
    | ~ in(skc10,cartesian_product2(skc9,skc9)) ),
    inference(mrr,[status(thm)],[31,40]),
    [iquote('1:MRR:31.2,40.0')] ).

cnf(96,plain,
    ( ~ in(u,set_intersection2(v,w))
    | in(u,w) ),
    inference(eqr,[status(thm),theory(equality)],[30]),
    [iquote('0:EqR:30.1')] ).

cnf(107,plain,
    ( ~ in(u,set_intersection2(v,w))
    | in(u,v) ),
    inference(spl,[status(thm),theory(equality)],[18,96]),
    [iquote('0:SpL:18.0,96.0')] ).

cnf(112,plain,
    ( ~ in(u,relation_restriction(skc8,v))
    | in(u,cartesian_product2(v,v)) ),
    inference(spl,[status(thm),theory(equality)],[37,96]),
    [iquote('0:SpL:37.0,96.0')] ).

cnf(122,plain,
    ( ~ in(u,relation_restriction(skc8,v))
    | in(u,skc8) ),
    inference(spl,[status(thm),theory(equality)],[37,107]),
    [iquote('0:SpL:37.0,107.0')] ).

cnf(124,plain,
    in(skc10,skc8),
    inference(res,[status(thm),theory(equality)],[40,122]),
    [iquote('1:Res:40.0,122.0')] ).

cnf(126,plain,
    ~ in(skc10,cartesian_product2(skc9,skc9)),
    inference(mrr,[status(thm)],[41,124]),
    [iquote('1:MRR:41.0,124.0')] ).

cnf(158,plain,
    ( ~ in(u,v)
    | ~ in(u,w)
    | in(u,set_intersection2(w,v)) ),
    inference(eqr,[status(thm),theory(equality)],[32]),
    [iquote('0:EqR:32.2')] ).

cnf(170,plain,
    ~ in(skc10,relation_restriction(skc8,skc9)),
    inference(res,[status(thm),theory(equality)],[112,126]),
    [iquote('1:Res:112.1,126.0')] ).

cnf(176,plain,
    $false,
    inference(mrr,[status(thm)],[170,40]),
    [iquote('1:MRR:170.0,40.0')] ).

cnf(177,plain,
    ~ in(skc10,relation_restriction(skc8,skc9)),
    inference(spt,[spt(split,[position(sa)])],[176,40]),
    [iquote('1:Spt:176.0,22.1,40.0')] ).

cnf(178,plain,
    in(skc10,skc8),
    inference(spt,[spt(split,[position(s2)])],[22]),
    [iquote('1:Spt:176.0,22.0')] ).

cnf(179,plain,
    in(skc10,cartesian_product2(skc9,skc9)),
    inference(mrr,[status(thm)],[26,112]),
    [iquote('0:MRR:26.1,112.0')] ).

cnf(474,plain,
    ( ~ in(u,cartesian_product2(v,v))
    | ~ in(u,skc8)
    | in(u,relation_restriction(skc8,v)) ),
    inference(spr,[status(thm),theory(equality)],[37,158]),
    [iquote('0:SpR:37.0,158.2')] ).

cnf(1789,plain,
    ( ~ in(skc10,skc8)
    | in(skc10,relation_restriction(skc8,skc9)) ),
    inference(res,[status(thm),theory(equality)],[179,474]),
    [iquote('0:Res:179.0,474.0')] ).

cnf(1814,plain,
    $false,
    inference(mrr,[status(thm)],[1789,178,177]),
    [iquote('1:MRR:1789.0,1789.1,178.0,177.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU245+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n006.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 : Mon Jun 20 11:36:40 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.48/0.70  
% 0.48/0.70  SPASS V 3.9 
% 0.48/0.70  SPASS beiseite: Proof found.
% 0.48/0.70  % SZS status Theorem
% 0.48/0.70  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.48/0.70  SPASS derived 1493 clauses, backtracked 5 clauses, performed 1 splits and kept 732 clauses.
% 0.48/0.70  SPASS allocated 99117 KBytes.
% 0.48/0.70  SPASS spent	0:00:00.35 on the problem.
% 0.48/0.70  		0:00:00.03 for the input.
% 0.48/0.70  		0:00:00.03 for the FLOTTER CNF translation.
% 0.48/0.70  		0:00:00.02 for inferences.
% 0.48/0.70  		0:00:00.00 for the backtracking.
% 0.48/0.70  		0:00:00.24 for the reduction.
% 0.48/0.70  
% 0.48/0.70  
% 0.48/0.70  Here is a proof with depth 4, length 26 :
% 0.48/0.70  % SZS output start Refutation
% See solution above
% 0.48/0.70  Formulae used in the proof : t16_wellord1 commutativity_k3_xboole_0 d6_wellord1 d3_xboole_0
% 0.48/0.70  
%------------------------------------------------------------------------------