TSTP Solution File: GRA004+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRA004+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n024.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 0.37s 0.53s
% Output   : Refutation 0.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   51 (  22 unt;   5 nHn;  51 RR)
%            Number of literals    :  110 (   0 equ;  69 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    8 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :   14 (  14 usr;  12 con; 0-1 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    precedes(skc8,skc7,skc6),
    file('GRA004+1.p',unknown),
    [] ).

cnf(2,axiom,
    shortest_path(skc10,skc11,skc6),
    file('GRA004+1.p',unknown),
    [] ).

cnf(25,axiom,
    ( ~ shortest_path(u,v,w)
    | path(u,v,w) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ on_path(u,v)
    | ~ path(w,x,v)
    | edge(u) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ precedes(u,v,w)
    | ~ path(x,y,w)
    | on_path(u,w) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(36,axiom,
    ( ~ precedes(u,v,w)
    | ~ path(x,y,w)
    | on_path(v,w) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(39,axiom,
    ( equal(head_of(skc8),head_of(skc7))
    | equal(tail_of(skc9),tail_of(skc8))
    | equal(head_of(skc7),tail_of(skc8)) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(40,axiom,
    ( equal(head_of(skc8),head_of(skc7))
    | equal(head_of(skc9),head_of(skc7))
    | equal(head_of(skc7),tail_of(skc8)) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(43,axiom,
    ( ~ shortest_path(u,v,w)
    | ~ precedes(x,y,w)
    | ~ precedes(y,x,w) ),
    file('GRA004+1.p',unknown),
    [] ).

cnf(48,axiom,
    ( ~ edge(u)
    | ~ edge(v)
    | ~ equal(head_of(u),tail_of(v))
    | sequential(u,v)
    | equal(u,v) ),
    file('GRA004+1.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('GRA004+1.p',unknown),
    [] ).

cnf(63,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('GRA004+1.p',unknown),
    [] ).

cnf(69,plain,
    ( ~ on_path(u,v)
    | ~ sequential(u,w)
    | ~ path(x,y,v)
    | ~ precedes(w,z,v)
    | precedes(u,z,v) ),
    inference(mrr,[status(thm)],[63,36]),
    [iquote('0:MRR:63.4,36.2')] ).

cnf(72,plain,
    path(skc10,skc11,skc6),
    inference(res,[status(thm),theory(equality)],[2,25]),
    [iquote('0:Res:2.0,25.0')] ).

cnf(74,plain,
    ( ~ precedes(u,v,skc6)
    | ~ precedes(v,u,skc6) ),
    inference(res,[status(thm),theory(equality)],[2,43]),
    [iquote('0:Res:2.0,43.2')] ).

cnf(76,plain,
    ( ~ equal(head_of(u),head_of(v))
    | ~ equal(tail_of(u),tail_of(w))
    | ~ precedes(w,v,skc6) ),
    inference(res,[status(thm),theory(equality)],[2,57]),
    [iquote('0:Res:2.0,57.3')] ).

cnf(79,plain,
    ( ~ path(u,v,skc6)
    | on_path(skc8,skc6) ),
    inference(res,[status(thm),theory(equality)],[1,35]),
    [iquote('0:Res:1.0,35.1')] ).

cnf(80,plain,
    ( ~ path(u,v,skc6)
    | on_path(skc7,skc6) ),
    inference(res,[status(thm),theory(equality)],[1,36]),
    [iquote('0:Res:1.0,36.1')] ).

cnf(83,plain,
    ( ~ on_path(u,skc6)
    | ~ sequential(u,skc8)
    | ~ path(v,w,skc6)
    | precedes(u,skc7,skc6) ),
    inference(res,[status(thm),theory(equality)],[1,69]),
    [iquote('0:Res:1.0,69.1')] ).

cnf(88,plain,
    ( ~ equal(head_of(u),head_of(skc7))
    | ~ equal(tail_of(u),tail_of(skc8)) ),
    inference(res,[status(thm),theory(equality)],[1,76]),
    [iquote('0:Res:1.0,76.2')] ).

cnf(94,plain,
    on_path(skc7,skc6),
    inference(res,[status(thm),theory(equality)],[72,80]),
    [iquote('0:Res:72.0,80.0')] ).

cnf(95,plain,
    on_path(skc8,skc6),
    inference(res,[status(thm),theory(equality)],[72,79]),
    [iquote('0:Res:72.0,79.0')] ).

cnf(103,plain,
    ( ~ on_path(u,skc6)
    | edge(u) ),
    inference(res,[status(thm),theory(equality)],[72,29]),
    [iquote('0:Res:72.0,29.1')] ).

cnf(104,plain,
    edge(skc7),
    inference(res,[status(thm),theory(equality)],[94,103]),
    [iquote('0:Res:94.0,103.0')] ).

cnf(105,plain,
    edge(skc8),
    inference(res,[status(thm),theory(equality)],[95,103]),
    [iquote('0:Res:95.0,103.0')] ).

cnf(106,plain,
    ~ equal(tail_of(skc8),tail_of(skc7)),
    inference(eqr,[status(thm),theory(equality)],[88]),
    [iquote('0:EqR:88.0')] ).

cnf(126,plain,
    equal(head_of(skc7),tail_of(skc8)),
    inference(spt,[spt(split,[position(s1)])],[40]),
    [iquote('1:Spt:40.2')] ).

cnf(175,plain,
    ( ~ on_path(u,skc6)
    | ~ sequential(u,skc8)
    | precedes(u,skc7,skc6) ),
    inference(res,[status(thm),theory(equality)],[72,83]),
    [iquote('0:Res:72.0,83.2')] ).

cnf(177,plain,
    ( ~ on_path(u,skc6)
    | ~ sequential(u,skc8)
    | ~ precedes(skc7,u,skc6) ),
    inference(res,[status(thm),theory(equality)],[175,74]),
    [iquote('0:Res:175.2,74.0')] ).

cnf(186,plain,
    ( ~ on_path(skc7,skc6)
    | ~ sequential(skc7,skc8)
    | ~ on_path(skc7,skc6)
    | ~ sequential(skc7,skc8) ),
    inference(res,[status(thm),theory(equality)],[175,177]),
    [iquote('0:Res:175.2,177.2')] ).

cnf(187,plain,
    ( ~ on_path(skc7,skc6)
    | ~ sequential(skc7,skc8) ),
    inference(obv,[status(thm),theory(equality)],[186]),
    [iquote('0:Obv:186.1')] ).

cnf(212,plain,
    ~ sequential(skc7,skc8),
    inference(mrr,[status(thm)],[187,94]),
    [iquote('0:MRR:187.0,94.0')] ).

cnf(217,plain,
    ( ~ edge(skc7)
    | ~ edge(skc8)
    | ~ equal(head_of(skc7),tail_of(skc8))
    | equal(skc8,skc7) ),
    inference(res,[status(thm),theory(equality)],[48,212]),
    [iquote('0:Res:48.3,212.0')] ).

cnf(218,plain,
    ( ~ edge(skc7)
    | ~ edge(skc8)
    | ~ equal(tail_of(skc8),tail_of(skc8))
    | equal(skc8,skc7) ),
    inference(rew,[status(thm),theory(equality)],[126,217]),
    [iquote('1:Rew:126.0,217.2')] ).

cnf(219,plain,
    ( ~ edge(skc7)
    | ~ edge(skc8)
    | equal(skc8,skc7) ),
    inference(obv,[status(thm),theory(equality)],[218]),
    [iquote('1:Obv:218.2')] ).

cnf(220,plain,
    equal(skc8,skc7),
    inference(ssi,[status(thm)],[219,105,104]),
    [iquote('1:SSi:219.1,219.0,105.0,104.0')] ).

cnf(228,plain,
    ~ equal(tail_of(skc7),tail_of(skc7)),
    inference(rew,[status(thm),theory(equality)],[220,106]),
    [iquote('1:Rew:220.0,106.0')] ).

cnf(242,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[228]),
    [iquote('1:Obv:228.0')] ).

cnf(245,plain,
    ~ equal(head_of(skc7),tail_of(skc8)),
    inference(spt,[spt(split,[position(sa)])],[242,126]),
    [iquote('1:Spt:242.0,40.2,126.0')] ).

cnf(246,plain,
    ( equal(head_of(skc8),head_of(skc7))
    | equal(head_of(skc9),head_of(skc7)) ),
    inference(spt,[spt(split,[position(s2)])],[40]),
    [iquote('1:Spt:242.0,40.0,40.1')] ).

cnf(247,plain,
    ( equal(head_of(skc8),head_of(skc7))
    | equal(tail_of(skc9),tail_of(skc8)) ),
    inference(mrr,[status(thm)],[39,245]),
    [iquote('1:MRR:39.2,245.0')] ).

cnf(263,plain,
    equal(head_of(skc8),head_of(skc7)),
    inference(spt,[spt(split,[position(s2s1)])],[247]),
    [iquote('2:Spt:247.0')] ).

cnf(283,plain,
    ( ~ equal(head_of(skc7),head_of(skc7))
    | ~ equal(tail_of(skc8),tail_of(skc8)) ),
    inference(spl,[status(thm),theory(equality)],[263,88]),
    [iquote('2:SpL:263.0,88.0')] ).

cnf(284,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[283]),
    [iquote('2:Obv:283.1')] ).

cnf(285,plain,
    ~ equal(head_of(skc8),head_of(skc7)),
    inference(spt,[spt(split,[position(s2sa)])],[284,263]),
    [iquote('2:Spt:284.0,247.0,263.0')] ).

cnf(286,plain,
    equal(tail_of(skc9),tail_of(skc8)),
    inference(spt,[spt(split,[position(s2s2)])],[247]),
    [iquote('2:Spt:284.0,247.1')] ).

cnf(287,plain,
    equal(head_of(skc9),head_of(skc7)),
    inference(mrr,[status(thm)],[246,285]),
    [iquote('2:MRR:246.0,285.0')] ).

cnf(303,plain,
    ( ~ equal(head_of(skc7),head_of(skc7))
    | ~ equal(tail_of(skc9),tail_of(skc8)) ),
    inference(spl,[status(thm),theory(equality)],[287,88]),
    [iquote('2:SpL:287.0,88.0')] ).

cnf(306,plain,
    ~ equal(tail_of(skc9),tail_of(skc8)),
    inference(obv,[status(thm),theory(equality)],[303]),
    [iquote('2:Obv:303.0')] ).

cnf(307,plain,
    ~ equal(tail_of(skc8),tail_of(skc8)),
    inference(rew,[status(thm),theory(equality)],[286,306]),
    [iquote('2:Rew:286.0,306.0')] ).

cnf(308,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[307]),
    [iquote('2:Obv:307.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRA004+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n024.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue May 31 03:42:51 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.37/0.53  
% 0.37/0.53  SPASS V 3.9 
% 0.37/0.53  SPASS beiseite: Proof found.
% 0.37/0.53  % SZS status Theorem
% 0.37/0.53  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.37/0.53  SPASS derived 189 clauses, backtracked 45 clauses, performed 5 splits and kept 215 clauses.
% 0.37/0.53  SPASS allocated 98359 KBytes.
% 0.37/0.53  SPASS spent	0:00:00.17 on the problem.
% 0.37/0.53  		0:00:00.04 for the input.
% 0.37/0.53  		0:00:00.08 for the FLOTTER CNF translation.
% 0.37/0.53  		0:00:00.00 for inferences.
% 0.37/0.53  		0:00:00.00 for the backtracking.
% 0.37/0.53  		0:00:00.02 for the reduction.
% 0.37/0.53  
% 0.37/0.53  
% 0.37/0.53  Here is a proof with depth 5, length 51 :
% 0.37/0.53  % SZS output start Refutation
% See solution above
% 0.37/0.53  Formulae used in the proof : shortest_path_properties_lemma shortest_path_defn on_path_properties precedes_properties shortest_path_properties sequential_defn precedes_defn
% 0.37/0.53  
%------------------------------------------------------------------------------