TSTP Solution File: SWC042-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC042-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n020.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 22:01:18 EDT 2022

% Result   : Unsatisfiable 0.55s 0.73s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   11
% Syntax   : Number of clauses     :   30 (  18 unt;   3 nHn;  30 RR)
%            Number of literals    :   52 (   0 equ;  25 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;   8 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ssList(sk1),
    file('SWC042-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(nil,sk2),
    file('SWC042-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk4,sk2),
    file('SWC042-1.p',unknown),
    [] ).

cnf(7,axiom,
    equal(sk3,sk1),
    file('SWC042-1.p',unknown),
    [] ).

cnf(8,axiom,
    ~ equal(nil,sk1),
    file('SWC042-1.p',unknown),
    [] ).

cnf(9,axiom,
    ssList(sk5),
    file('SWC042-1.p',unknown),
    [] ).

cnf(10,axiom,
    equal(app(sk3,sk5),sk4),
    file('SWC042-1.p',unknown),
    [] ).

cnf(11,axiom,
    totalorderedP(sk3),
    file('SWC042-1.p',unknown),
    [] ).

cnf(86,axiom,
    ( ~ ssList(u)
    | equal(app(u,nil),u) ),
    file('SWC042-1.p',unknown),
    [] ).

cnf(132,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(v,u),nil)
    | equal(nil,u) ),
    file('SWC042-1.p',unknown),
    [] ).

cnf(136,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | equal(nil,v)
    | equal(hd(app(v,u)),hd(v)) ),
    file('SWC042-1.p',unknown),
    [] ).

cnf(199,plain,
    totalorderedP(sk1),
    inference(rew,[status(thm),theory(equality)],[7,11]),
    [iquote('0:Rew:7.0,11.0')] ).

cnf(211,plain,
    ~ equal(sk2,sk1),
    inference(rew,[status(thm),theory(equality)],[5,8]),
    [iquote('0:Rew:5.0,8.0')] ).

cnf(212,plain,
    equal(app(sk1,sk5),sk2),
    inference(rew,[status(thm),theory(equality)],[7,10,6]),
    [iquote('0:Rew:7.0,10.0,6.0,10.0')] ).

cnf(226,plain,
    ( ~ ssList(u)
    | equal(app(u,sk2),u) ),
    inference(rew,[status(thm),theory(equality)],[5,86]),
    [iquote('0:Rew:5.0,86.1')] ).

cnf(245,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(u,v),sk2)
    | equal(sk2,v) ),
    inference(rew,[status(thm),theory(equality)],[5,132]),
    [iquote('0:Rew:5.0,132.3,5.0,132.2')] ).

cnf(249,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | equal(sk2,u)
    | equal(hd(app(u,v)),hd(u)) ),
    inference(rew,[status(thm),theory(equality)],[5,136]),
    [iquote('0:Rew:5.0,136.2')] ).

cnf(315,plain,
    ( ~ ssList(u)
    | ~ equal(app(u,sk5),sk2)
    | equal(sk5,sk2) ),
    inference(res,[status(thm),theory(equality)],[9,245]),
    [iquote('0:Res:9.0,245.0')] ).

cnf(388,plain,
    ( ~ ssList(u)
    | equal(sk5,sk2)
    | equal(hd(app(sk5,u)),hd(sk5)) ),
    inference(res,[status(thm),theory(equality)],[9,249]),
    [iquote('0:Res:9.0,249.1')] ).

cnf(843,plain,
    equal(sk5,sk2),
    inference(spt,[spt(split,[position(s1)])],[388]),
    [iquote('1:Spt:388.1')] ).

cnf(936,plain,
    equal(app(sk1,sk2),sk2),
    inference(rew,[status(thm),theory(equality)],[843,212]),
    [iquote('1:Rew:843.0,212.0')] ).

cnf(1088,plain,
    ( ~ ssList(sk1)
    | equal(sk2,sk1) ),
    inference(spr,[status(thm),theory(equality)],[226,936]),
    [iquote('1:SpR:226.1,936.0')] ).

cnf(1091,plain,
    equal(sk2,sk1),
    inference(ssi,[status(thm)],[1088,199,1]),
    [iquote('1:SSi:1088.0,199.0,1.0')] ).

cnf(1092,plain,
    $false,
    inference(mrr,[status(thm)],[1091,211]),
    [iquote('1:MRR:1091.0,211.0')] ).

cnf(1093,plain,
    ~ equal(sk5,sk2),
    inference(spt,[spt(split,[position(sa)])],[1092,843]),
    [iquote('1:Spt:1092.0,388.1,843.0')] ).

cnf(1094,plain,
    ( ~ ssList(u)
    | equal(hd(app(sk5,u)),hd(sk5)) ),
    inference(spt,[spt(split,[position(s2)])],[388]),
    [iquote('1:Spt:1092.0,388.0,388.2')] ).

cnf(1104,plain,
    ( ~ ssList(u)
    | ~ equal(app(u,sk5),sk2) ),
    inference(mrr,[status(thm)],[315,1093]),
    [iquote('1:MRR:315.2,1093.0')] ).

cnf(1151,plain,
    ( ~ ssList(sk1)
    | ~ equal(sk2,sk2) ),
    inference(spl,[status(thm),theory(equality)],[212,1104]),
    [iquote('1:SpL:212.0,1104.1')] ).

cnf(1154,plain,
    ~ ssList(sk1),
    inference(obv,[status(thm),theory(equality)],[1151]),
    [iquote('1:Obv:1151.1')] ).

cnf(1155,plain,
    $false,
    inference(ssi,[status(thm)],[1154,199,1]),
    [iquote('1:SSi:1154.0,199.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SWC042-1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n020.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 : Sat Jun 11 23:33:05 EDT 2022
% 0.19/0.34  % CPUTime  : 
% 0.55/0.73  
% 0.55/0.73  SPASS V 3.9 
% 0.55/0.73  SPASS beiseite: Proof found.
% 0.55/0.73  % SZS status Theorem
% 0.55/0.73  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.55/0.73  SPASS derived 748 clauses, backtracked 164 clauses, performed 7 splits and kept 803 clauses.
% 0.55/0.73  SPASS allocated 76952 KBytes.
% 0.55/0.73  SPASS spent	0:00:00.37 on the problem.
% 0.55/0.73  		0:00:00.04 for the input.
% 0.55/0.73  		0:00:00.00 for the FLOTTER CNF translation.
% 0.55/0.73  		0:00:00.00 for inferences.
% 0.55/0.73  		0:00:00.01 for the backtracking.
% 0.55/0.73  		0:00:00.17 for the reduction.
% 0.55/0.73  
% 0.55/0.73  
% 0.55/0.73  Here is a proof with depth 2, length 30 :
% 0.55/0.73  % SZS output start Refutation
% See solution above
% 0.55/0.73  Formulae used in the proof : co1_1 co1_5 co1_6 co1_7 co1_8 co1_9 co1_10 co1_11 clause73 clause119 clause123
% 0.55/0.73  
%------------------------------------------------------------------------------