TSTP Solution File: GRA007+2 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRA007+2 : TPTP v8.1.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n017.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 07:22:09 EDT 2022

% Result   : Theorem 0.18s 0.58s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   18
% Syntax   : Number of clauses     :   58 (  14 unt;  14 nHn;  58 RR)
%            Number of literals    :  183 (   0 equ; 114 neg)
%            Maximal clause size   :    7 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   11 (  10 usr;   2 prp; 0-3 aty)
%            Number of functors    :   14 (  14 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    complete,
    file('GRA007+2.p',unknown),
    [] ).

cnf(2,axiom,
    precedes(skc7,skc6,skc5),
    file('GRA007+2.p',unknown),
    [] ).

cnf(3,axiom,
    shortest_path(skc8,skc9,skc5),
    file('GRA007+2.p',unknown),
    [] ).

cnf(4,axiom,
    edge(skf12(u,v)),
    file('GRA007+2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ edge(u)
    | vertex(head_of(u)) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ edge(u)
    | vertex(tail_of(u)) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(22,axiom,
    ( ~ skP0(u,v,w)
    | equal(w,head_of(v)) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ skP0(u,v,w)
    | equal(u,tail_of(v)) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(26,axiom,
    ( ~ shortest_path(u,v,w)
    | path(u,v,w) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(30,axiom,
    ( ~ on_path(u,v)
    | ~ path(w,x,v)
    | edge(u) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(36,axiom,
    ( ~ precedes(u,v,w)
    | ~ path(x,y,w)
    | on_path(u,w) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(37,axiom,
    ( ~ precedes(u,v,w)
    | ~ path(x,y,w)
    | on_path(v,w) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(40,axiom,
    ( ~ edge(u)
    | ~ equal(head_of(u),tail_of(skc7))
    | ~ equal(tail_of(u),head_of(skc6)) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(48,axiom,
    ( ~ edge(u)
    | ~ edge(v)
    | ~ equal(head_of(u),tail_of(v))
    | sequential(u,v)
    | equal(u,v) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(57,axiom,
    ( ~ equal(head_of(u),head_of(v))
    | ~ equal(tail_of(u),tail_of(w))
    | ~ shortest_path(x,y,z)
    | ~ precedes(w,v,z) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(60,axiom,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ complete
    | equal(tail_of(skf12(u,v)),u)
    | equal(u,v)
    | skP0(v,skf12(u,v),u) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(61,axiom,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ complete
    | equal(head_of(skf12(u,v)),v)
    | equal(u,v)
    | skP0(v,skf12(u,v),u) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(64,axiom,
    ( ~ sequential(u,v)
    | ~ precedes(v,w,x)
    | ~ path(y,z,x)
    | ~ on_path(u,x)
    | ~ on_path(w,x)
    | precedes(u,w,x) ),
    file('GRA007+2.p',unknown),
    [] ).

cnf(69,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | equal(v,u)
    | equal(tail_of(skf12(v,u)),v)
    | skP0(u,skf12(v,u),v) ),
    inference(mrr,[status(thm)],[60,1]),
    [iquote('0:MRR:60.2,1.0')] ).

cnf(70,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | equal(v,u)
    | equal(head_of(skf12(v,u)),u)
    | skP0(u,skf12(v,u),v) ),
    inference(mrr,[status(thm)],[61,1]),
    [iquote('0:MRR:61.2,1.0')] ).

cnf(72,plain,
    ( ~ on_path(u,v)
    | ~ sequential(u,w)
    | ~ path(x,y,v)
    | ~ precedes(w,z,v)
    | precedes(u,z,v) ),
    inference(mrr,[status(thm)],[64,37]),
    [iquote('0:MRR:64.4,37.2')] ).

cnf(75,plain,
    path(skc8,skc9,skc5),
    inference(res,[status(thm),theory(equality)],[3,26]),
    [iquote('0:Res:3.0,26.0')] ).

cnf(79,plain,
    ( ~ equal(head_of(u),head_of(v))
    | ~ equal(tail_of(u),tail_of(w))
    | ~ precedes(w,v,skc5) ),
    inference(res,[status(thm),theory(equality)],[3,57]),
    [iquote('0:Res:3.0,57.3')] ).

cnf(82,plain,
    ( ~ path(u,v,skc5)
    | on_path(skc7,skc5) ),
    inference(res,[status(thm),theory(equality)],[2,36]),
    [iquote('0:Res:2.0,36.1')] ).

cnf(83,plain,
    ( ~ path(u,v,skc5)
    | on_path(skc6,skc5) ),
    inference(res,[status(thm),theory(equality)],[2,37]),
    [iquote('0:Res:2.0,37.1')] ).

cnf(86,plain,
    ( ~ on_path(u,skc5)
    | ~ sequential(u,skc7)
    | ~ path(v,w,skc5)
    | precedes(u,skc6,skc5) ),
    inference(res,[status(thm),theory(equality)],[2,72]),
    [iquote('0:Res:2.0,72.1')] ).

cnf(93,plain,
    ( ~ equal(head_of(u),head_of(skc6))
    | ~ equal(tail_of(u),tail_of(skc7)) ),
    inference(res,[status(thm),theory(equality)],[2,79]),
    [iquote('0:Res:2.0,79.2')] ).

cnf(99,plain,
    on_path(skc6,skc5),
    inference(res,[status(thm),theory(equality)],[75,83]),
    [iquote('0:Res:75.0,83.0')] ).

cnf(100,plain,
    on_path(skc7,skc5),
    inference(res,[status(thm),theory(equality)],[75,82]),
    [iquote('0:Res:75.0,82.0')] ).

cnf(108,plain,
    ( ~ on_path(u,skc5)
    | edge(u) ),
    inference(res,[status(thm),theory(equality)],[75,30]),
    [iquote('0:Res:75.0,30.1')] ).

cnf(109,plain,
    edge(skc6),
    inference(res,[status(thm),theory(equality)],[99,108]),
    [iquote('0:Res:99.0,108.0')] ).

cnf(110,plain,
    edge(skc7),
    inference(res,[status(thm),theory(equality)],[100,108]),
    [iquote('0:Res:100.0,108.0')] ).

cnf(113,plain,
    ~ equal(tail_of(skc7),tail_of(skc6)),
    inference(eqr,[status(thm),theory(equality)],[93]),
    [iquote('0:EqR:93.0')] ).

cnf(169,plain,
    ( ~ on_path(u,skc5)
    | ~ sequential(u,skc7)
    | precedes(u,skc6,skc5) ),
    inference(res,[status(thm),theory(equality)],[75,86]),
    [iquote('0:Res:75.0,86.2')] ).

cnf(183,plain,
    ( ~ equal(tail_of(u),tail_of(v))
    | ~ precedes(v,u,skc5) ),
    inference(eqr,[status(thm),theory(equality)],[79]),
    [iquote('0:EqR:79.0')] ).

cnf(187,plain,
    ( ~ on_path(u,skc5)
    | ~ sequential(u,skc7)
    | ~ equal(tail_of(skc6),tail_of(u)) ),
    inference(res,[status(thm),theory(equality)],[169,183]),
    [iquote('0:Res:169.2,183.1')] ).

cnf(188,plain,
    ( ~ sequential(skc6,skc7)
    | ~ equal(tail_of(skc6),tail_of(skc6)) ),
    inference(res,[status(thm),theory(equality)],[99,187]),
    [iquote('0:Res:99.0,187.0')] ).

cnf(191,plain,
    ~ sequential(skc6,skc7),
    inference(obv,[status(thm),theory(equality)],[188]),
    [iquote('0:Obv:188.1')] ).

cnf(243,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | equal(v,u)
    | equal(head_of(skf12(v,u)),u)
    | equal(head_of(skf12(v,u)),v) ),
    inference(res,[status(thm),theory(equality)],[70,22]),
    [iquote('0:Res:70.4,22.0')] ).

cnf(244,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | equal(v,u)
    | equal(head_of(skf12(v,u)),u)
    | equal(tail_of(skf12(v,u)),u) ),
    inference(res,[status(thm),theory(equality)],[70,23]),
    [iquote('0:Res:70.4,23.0')] ).

cnf(277,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ equal(u,head_of(skc6))
    | ~ equal(tail_of(skf12(v,u)),tail_of(skc7))
    | equal(v,u)
    | equal(head_of(skf12(v,u)),v) ),
    inference(spl,[status(thm),theory(equality)],[243,93]),
    [iquote('0:SpL:243.3,93.0')] ).

cnf(284,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ edge(skf12(v,u))
    | ~ equal(v,tail_of(skc7))
    | ~ equal(tail_of(skf12(v,u)),head_of(skc6))
    | equal(v,u)
    | equal(head_of(skf12(v,u)),u) ),
    inference(spl,[status(thm),theory(equality)],[243,40]),
    [iquote('0:SpL:243.4,40.1')] ).

cnf(296,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ edge(skf12(v,u))
    | ~ equal(v,tail_of(skc7))
    | ~ equal(u,head_of(skc6))
    | equal(v,u)
    | equal(head_of(skf12(v,u)),u) ),
    inference(rew,[status(thm),theory(equality)],[244,284]),
    [iquote('0:Rew:244.4,284.4')] ).

cnf(297,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ equal(v,tail_of(skc7))
    | ~ equal(u,head_of(skc6))
    | equal(v,u)
    | equal(head_of(skf12(v,u)),u) ),
    inference(ssi,[status(thm)],[296,4]),
    [iquote('0:SSi:296.2,4.0')] ).

cnf(302,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | equal(v,u)
    | equal(tail_of(skf12(v,u)),v)
    | equal(head_of(skf12(v,u)),v) ),
    inference(res,[status(thm),theory(equality)],[69,22]),
    [iquote('0:Res:69.4,22.0')] ).

cnf(310,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ equal(u,head_of(skc6))
    | ~ equal(v,tail_of(skc7))
    | equal(v,u)
    | equal(head_of(skf12(v,u)),v) ),
    inference(rew,[status(thm),theory(equality)],[302,277]),
    [iquote('0:Rew:302.3,277.3')] ).

cnf(314,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ equal(u,head_of(skc6))
    | ~ equal(v,tail_of(skc7))
    | equal(v,u)
    | equal(u,v) ),
    inference(rew,[status(thm),theory(equality)],[297,310]),
    [iquote('0:Rew:297.5,310.5')] ).

cnf(315,plain,
    ( ~ vertex(u)
    | ~ vertex(v)
    | ~ equal(u,head_of(skc6))
    | ~ equal(v,tail_of(skc7))
    | equal(u,v) ),
    inference(obv,[status(thm),theory(equality)],[314]),
    [iquote('0:Obv:314.4')] ).

cnf(386,plain,
    ( ~ vertex(head_of(skc6))
    | ~ vertex(u)
    | ~ equal(u,tail_of(skc7))
    | equal(head_of(skc6),u) ),
    inference(eqr,[status(thm),theory(equality)],[315]),
    [iquote('0:EqR:315.2')] ).

cnf(387,plain,
    ( ~ vertex(u)
    | ~ equal(u,tail_of(skc7))
    | equal(head_of(skc6),u) ),
    inference(ssi,[status(thm)],[386,6,109]),
    [iquote('0:SSi:386.0,6.0,109.1')] ).

cnf(499,plain,
    ( ~ edge(skc6)
    | ~ edge(skc7)
    | ~ equal(head_of(skc6),tail_of(skc7))
    | equal(skc7,skc6) ),
    inference(res,[status(thm),theory(equality)],[48,191]),
    [iquote('0:Res:48.3,191.0')] ).

cnf(500,plain,
    ( ~ equal(head_of(skc6),tail_of(skc7))
    | equal(skc7,skc6) ),
    inference(ssi,[status(thm)],[499,110,109]),
    [iquote('0:SSi:499.1,499.0,110.0,109.0')] ).

cnf(662,plain,
    ( ~ vertex(u)
    | ~ equal(u,tail_of(skc7))
    | ~ equal(u,tail_of(skc7))
    | equal(skc7,skc6) ),
    inference(spl,[status(thm),theory(equality)],[387,500]),
    [iquote('0:SpL:387.2,500.0')] ).

cnf(692,plain,
    ( ~ vertex(u)
    | ~ equal(u,tail_of(skc7))
    | equal(skc7,skc6) ),
    inference(obv,[status(thm),theory(equality)],[662]),
    [iquote('0:Obv:662.1')] ).

cnf(736,plain,
    ( ~ vertex(tail_of(skc7))
    | equal(skc7,skc6) ),
    inference(eqr,[status(thm),theory(equality)],[692]),
    [iquote('0:EqR:692.1')] ).

cnf(737,plain,
    equal(skc7,skc6),
    inference(ssi,[status(thm)],[736,7,110]),
    [iquote('0:SSi:736.0,7.0,110.1')] ).

cnf(752,plain,
    ~ equal(tail_of(skc6),tail_of(skc6)),
    inference(rew,[status(thm),theory(equality)],[737,113]),
    [iquote('0:Rew:737.0,113.0')] ).

cnf(854,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[752]),
    [iquote('0:Obv:752.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : GRA007+2 : TPTP v8.1.0. Bugfixed v3.2.0.
% 0.10/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n017.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 : Tue May 31 02:39:55 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.58  
% 0.18/0.58  SPASS V 3.9 
% 0.18/0.58  SPASS beiseite: Proof found.
% 0.18/0.58  % SZS status Theorem
% 0.18/0.58  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.18/0.58  SPASS derived 649 clauses, backtracked 83 clauses, performed 3 splits and kept 406 clauses.
% 0.18/0.58  SPASS allocated 98531 KBytes.
% 0.18/0.58  SPASS spent	0:00:00.23 on the problem.
% 0.18/0.58  		0:00:00.03 for the input.
% 0.18/0.58  		0:00:00.07 for the FLOTTER CNF translation.
% 0.18/0.58  		0:00:00.01 for inferences.
% 0.18/0.58  		0:00:00.00 for the backtracking.
% 0.18/0.58  		0:00:00.09 for the reduction.
% 0.18/0.58  
% 0.18/0.58  
% 0.18/0.58  Here is a proof with depth 7, length 58 :
% 0.18/0.58  % SZS output start Refutation
% See solution above
% 0.18/0.58  Formulae used in the proof : back_edge complete_properties shortest_path_defn path_properties edge_ends_are_vertices on_path_properties precedes_properties sequential_defn shortest_path_properties precedes_defn
% 0.18/0.58  
%------------------------------------------------------------------------------