TSTP Solution File: GRA003+1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRA003+1 : TPTP v8.1.0. Bugfixed 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 : Sat Jul 16 07:22:08 EDT 2022

% Result   : Theorem 0.20s 0.49s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   11
% Syntax   : Number of clauses     :   33 (  16 unt;   3 nHn;  33 RR)
%            Number of literals    :   65 (   0 equ;  38 neg)
%            Maximal clause size   :    7 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    8 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :   10 (  10 usr;  10 con; 0-0 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    shortest_path(skc9,skc8,skc7),
    file('GRA003+1.p',unknown),
    [] ).

cnf(2,axiom,
    precedes(skc5,skc6,skc7),
    file('GRA003+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ path(u,v,w)
    | vertex(u) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ path(u,v,w)
    | vertex(v) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(25,axiom,
    ( ~ shortest_path(u,v,w)
    | path(u,v,w) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(26,axiom,
    ( ~ equal(u,v)
    | ~ shortest_path(u,v,w) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ on_path(u,v)
    | ~ path(w,x,v)
    | edge(u) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ precedes(u,v,w)
    | ~ path(x,y,w)
    | on_path(u,w) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(36,axiom,
    ( ~ precedes(u,v,w)
    | ~ path(x,y,w)
    | on_path(v,w) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(41,axiom,
    ( ~ shortest_path(u,v,w)
    | ~ precedes(x,y,w)
    | ~ precedes(y,x,w) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(60,axiom,
    ( ~ vertex(skc9)
    | ~ vertex(skc8)
    | ~ edge(skc5)
    | ~ edge(skc6)
    | ~ path(skc9,skc8,skc7)
    | equal(skc9,skc8)
    | equal(skc6,skc5) ),
    file('GRA003+1.p',unknown),
    [] ).

cnf(67,plain,
    ( ~ edge(skc5)
    | ~ edge(skc6)
    | ~ path(skc9,skc8,skc7)
    | equal(skc9,skc8)
    | equal(skc6,skc5) ),
    inference(mrr,[status(thm)],[60,13,14]),
    [iquote('0:MRR:60.0,60.1,13.1,14.1')] ).

cnf(74,plain,
    ( ~ path(u,v,skc7)
    | on_path(skc5,skc7) ),
    inference(res,[status(thm),theory(equality)],[2,35]),
    [iquote('0:Res:2.0,35.1')] ).

cnf(75,plain,
    ( ~ path(u,v,skc7)
    | on_path(skc6,skc7) ),
    inference(res,[status(thm),theory(equality)],[2,36]),
    [iquote('0:Res:2.0,36.1')] ).

cnf(76,plain,
    ( ~ precedes(skc6,skc5,skc7)
    | ~ shortest_path(u,v,skc7) ),
    inference(res,[status(thm),theory(equality)],[2,41]),
    [iquote('0:Res:2.0,41.0')] ).

cnf(82,plain,
    path(skc9,skc8,skc7),
    inference(res,[status(thm),theory(equality)],[1,25]),
    [iquote('0:Res:1.0,25.0')] ).

cnf(83,plain,
    ~ equal(skc9,skc8),
    inference(res,[status(thm),theory(equality)],[1,26]),
    [iquote('0:Res:1.0,26.1')] ).

cnf(87,plain,
    ( ~ edge(skc5)
    | ~ edge(skc6)
    | equal(skc9,skc8)
    | equal(skc6,skc5) ),
    inference(mrr,[status(thm)],[67,82]),
    [iquote('0:MRR:67.2,82.0')] ).

cnf(88,plain,
    ( ~ edge(skc6)
    | ~ edge(skc5)
    | equal(skc6,skc5) ),
    inference(mrr,[status(thm)],[87,83]),
    [iquote('0:MRR:87.2,83.0')] ).

cnf(89,plain,
    ~ precedes(skc6,skc5,skc7),
    inference(res,[status(thm),theory(equality)],[1,76]),
    [iquote('0:Res:1.0,76.1')] ).

cnf(94,plain,
    equal(skc6,skc5),
    inference(spt,[spt(split,[position(s1)])],[88]),
    [iquote('1:Spt:88.2')] ).

cnf(98,plain,
    precedes(skc5,skc5,skc7),
    inference(rew,[status(thm),theory(equality)],[94,2]),
    [iquote('1:Rew:94.0,2.0')] ).

cnf(99,plain,
    ~ precedes(skc5,skc5,skc7),
    inference(rew,[status(thm),theory(equality)],[94,89]),
    [iquote('1:Rew:94.0,89.0')] ).

cnf(104,plain,
    $false,
    inference(mrr,[status(thm)],[99,98]),
    [iquote('1:MRR:99.0,98.0')] ).

cnf(111,plain,
    ~ equal(skc6,skc5),
    inference(spt,[spt(split,[position(sa)])],[104,94]),
    [iquote('1:Spt:104.0,88.2,94.0')] ).

cnf(112,plain,
    ( ~ edge(skc6)
    | ~ edge(skc5) ),
    inference(spt,[spt(split,[position(s2)])],[88]),
    [iquote('1:Spt:104.0,88.0,88.1')] ).

cnf(115,plain,
    on_path(skc5,skc7),
    inference(res,[status(thm),theory(equality)],[82,74]),
    [iquote('0:Res:82.0,74.0')] ).

cnf(116,plain,
    on_path(skc6,skc7),
    inference(res,[status(thm),theory(equality)],[82,75]),
    [iquote('0:Res:82.0,75.0')] ).

cnf(124,plain,
    ( ~ on_path(u,skc7)
    | edge(u) ),
    inference(res,[status(thm),theory(equality)],[82,29]),
    [iquote('0:Res:82.0,29.1')] ).

cnf(125,plain,
    edge(skc5),
    inference(res,[status(thm),theory(equality)],[115,124]),
    [iquote('0:Res:115.0,124.0')] ).

cnf(126,plain,
    edge(skc6),
    inference(res,[status(thm),theory(equality)],[116,124]),
    [iquote('0:Res:116.0,124.0')] ).

cnf(127,plain,
    ~ edge(skc6),
    inference(mrr,[status(thm)],[112,125]),
    [iquote('1:MRR:112.1,125.0')] ).

cnf(128,plain,
    $false,
    inference(mrr,[status(thm)],[127,126]),
    [iquote('1:MRR:127.0,126.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRA003+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n026.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Tue May 31 02:41:40 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.49  
% 0.20/0.49  SPASS V 3.9 
% 0.20/0.49  SPASS beiseite: Proof found.
% 0.20/0.49  % SZS status Theorem
% 0.20/0.49  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.49  SPASS derived 46 clauses, backtracked 11 clauses, performed 1 splits and kept 113 clauses.
% 0.20/0.49  SPASS allocated 98253 KBytes.
% 0.20/0.49  SPASS spent	0:00:00.14 on the problem.
% 0.20/0.49  		0:00:00.03 for the input.
% 0.20/0.49  		0:00:00.08 for the FLOTTER CNF translation.
% 0.20/0.49  		0:00:00.00 for inferences.
% 0.20/0.49  		0:00:00.00 for the backtracking.
% 0.20/0.49  		0:00:00.01 for the reduction.
% 0.20/0.49  
% 0.20/0.49  
% 0.20/0.49  Here is a proof with depth 3, length 33 :
% 0.20/0.49  % SZS output start Refutation
% See solution above
% 0.20/0.49  Formulae used in the proof : vertices_and_edges path_properties shortest_path_defn on_path_properties precedes_properties shortest_path_properties
% 0.20/0.49  
%------------------------------------------------------------------------------