TSTP Solution File: GEO218+2 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GEO218+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n003.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 06:23:34 EDT 2022

% Result   : Theorem 0.10s 0.32s
% Output   : Refutation 0.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   22 (  11 unt;   5 nHn;  22 RR)
%            Number of literals    :   36 (   0 equ;  15 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   6 con; 0-0 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    unorthogonal_lines(skc3,skc4),
    file('GEO218+2.p',unknown),
    [] ).

cnf(2,axiom,
    ~ convergent_lines(skc5,skc3),
    file('GEO218+2.p',unknown),
    [] ).

cnf(3,axiom,
    ~ unorthogonal_lines(skc5,skc4),
    file('GEO218+2.p',unknown),
    [] ).

cnf(6,axiom,
    ~ convergent_lines(u,u),
    file('GEO218+2.p',unknown),
    [] ).

cnf(7,axiom,
    ( unorthogonal_lines(u,v)
    | convergent_lines(u,v) ),
    file('GEO218+2.p',unknown),
    [] ).

cnf(8,axiom,
    ( skP0(u,v)
    | convergent_lines(v,u) ),
    file('GEO218+2.p',unknown),
    [] ).

cnf(9,axiom,
    ( skP0(u,v)
    | unorthogonal_lines(v,u) ),
    file('GEO218+2.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ convergent_lines(u,v)
    | convergent_lines(v,w)
    | convergent_lines(u,w) ),
    file('GEO218+2.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ skP0(u,v)
    | ~ skP0(w,v)
    | skP0(u,w) ),
    file('GEO218+2.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ unorthogonal_lines(u,v)
    | ~ convergent_lines(u,v)
    | ~ skP0(v,u) ),
    file('GEO218+2.p',unknown),
    [] ).

cnf(24,plain,
    ( ~ convergent_lines(skc3,skc4)
    | ~ skP0(skc4,skc3) ),
    inference(res,[status(thm),theory(equality)],[1,18]),
    [iquote('0:Res:1.0,18.2')] ).

cnf(25,plain,
    convergent_lines(skc5,skc4),
    inference(res,[status(thm),theory(equality)],[7,3]),
    [iquote('0:Res:7.1,3.0')] ).

cnf(26,plain,
    skP0(skc4,skc5),
    inference(res,[status(thm),theory(equality)],[9,3]),
    [iquote('0:Res:9.0,3.0')] ).

cnf(30,plain,
    skP0(skc3,skc5),
    inference(res,[status(thm),theory(equality)],[8,2]),
    [iquote('0:Res:8.0,2.0')] ).

cnf(31,plain,
    ( ~ convergent_lines(skc5,u)
    | convergent_lines(u,skc3) ),
    inference(res,[status(thm),theory(equality)],[13,2]),
    [iquote('0:Res:13.1,2.0')] ).

cnf(44,plain,
    convergent_lines(skc4,skc3),
    inference(res,[status(thm),theory(equality)],[25,31]),
    [iquote('0:Res:25.0,31.0')] ).

cnf(73,plain,
    ( convergent_lines(skc3,u)
    | convergent_lines(skc4,u) ),
    inference(res,[status(thm),theory(equality)],[44,13]),
    [iquote('0:Res:44.0,13.0')] ).

cnf(75,plain,
    ( ~ skP0(u,skc5)
    | skP0(skc4,u) ),
    inference(res,[status(thm),theory(equality)],[26,17]),
    [iquote('0:Res:26.0,17.0')] ).

cnf(88,plain,
    ( ~ skP0(skc4,skc3)
    | convergent_lines(skc4,skc4) ),
    inference(res,[status(thm),theory(equality)],[73,24]),
    [iquote('0:Res:73.0,24.0')] ).

cnf(89,plain,
    ~ skP0(skc4,skc3),
    inference(mrr,[status(thm)],[88,6]),
    [iquote('0:MRR:88.1,6.0')] ).

cnf(115,plain,
    skP0(skc4,skc3),
    inference(res,[status(thm),theory(equality)],[30,75]),
    [iquote('0:Res:30.0,75.0')] ).

cnf(118,plain,
    $false,
    inference(mrr,[status(thm)],[115,89]),
    [iquote('0:MRR:115.0,89.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.06  % Problem  : GEO218+2 : TPTP v8.1.0. Released v3.3.0.
% 0.04/0.07  % Command  : run_spass %d %s
% 0.06/0.25  % Computer : n003.cluster.edu
% 0.06/0.25  % Model    : x86_64 x86_64
% 0.06/0.25  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.25  % Memory   : 8042.1875MB
% 0.06/0.25  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.25  % CPULimit : 300
% 0.06/0.25  % WCLimit  : 600
% 0.06/0.25  % DateTime : Sat Jun 18 16:42:43 EDT 2022
% 0.06/0.25  % CPUTime  : 
% 0.10/0.32  
% 0.10/0.32  SPASS V 3.9 
% 0.10/0.32  SPASS beiseite: Proof found.
% 0.10/0.32  % SZS status Theorem
% 0.10/0.32  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.10/0.32  SPASS derived 92 clauses, backtracked 0 clauses, performed 0 splits and kept 77 clauses.
% 0.10/0.32  SPASS allocated 85155 KBytes.
% 0.10/0.32  SPASS spent	0:00:00.06 on the problem.
% 0.10/0.32  		0:00:00.02 for the input.
% 0.10/0.32  		0:00:00.02 for the FLOTTER CNF translation.
% 0.10/0.32  		0:00:00.00 for inferences.
% 0.10/0.32  		0:00:00.00 for the backtracking.
% 0.10/0.32  		0:00:00.00 for the reduction.
% 0.10/0.32  
% 0.10/0.32  
% 0.10/0.32  Here is a proof with depth 4, length 22 :
% 0.10/0.32  % SZS output start Refutation
% See solution above
% 0.10/0.32  Formulae used in the proof : con apart3 coipo1 cotno1 apart6
% 0.10/0.32  
%------------------------------------------------------------------------------