TSTP Solution File: SWC095-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC095-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n032.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 22:01:40 EDT 2022

% Result   : Unsatisfiable 18.39s 18.58s
% Output   : Refutation 18.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   19 (  11 unt;   0 nHn;  19 RR)
%            Number of literals    :   45 (   0 equ;  32 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;  10 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    equal(sk4,sk2),
    file('SWC095-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk3,sk1),
    file('SWC095-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ equal(app(app(u,v),w),sk1)
    | ~ equal(app(u,w),sk2) ),
    file('SWC095-1.p',unknown),
    [] ).

cnf(8,axiom,
    ssList(sk5),
    file('SWC095-1.p',unknown),
    [] ).

cnf(9,axiom,
    ssList(sk6),
    file('SWC095-1.p',unknown),
    [] ).

cnf(10,axiom,
    ssList(sk7),
    file('SWC095-1.p',unknown),
    [] ).

cnf(11,axiom,
    equal(app(app(sk5,sk6),sk7),sk3),
    file('SWC095-1.p',unknown),
    [] ).

cnf(12,axiom,
    equal(app(sk5,sk7),sk4),
    file('SWC095-1.p',unknown),
    [] ).

cnf(161,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | equal(app(app(u,v),w),app(u,app(v,w))) ),
    file('SWC095-1.p',unknown),
    [] ).

cnf(200,plain,
    equal(app(sk5,sk7),sk2),
    inference(rew,[status(thm),theory(equality)],[5,12]),
    [iquote('0:Rew:5.0,12.0')] ).

cnf(201,plain,
    equal(app(app(sk5,sk6),sk7),sk1),
    inference(rew,[status(thm),theory(equality)],[6,11]),
    [iquote('0:Rew:6.0,11.0')] ).

cnf(204,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ equal(app(w,u),sk2)
    | ~ equal(app(w,app(v,u)),sk1) ),
    inference(rew,[status(thm),theory(equality)],[161,7]),
    [iquote('0:Rew:161.3,7.3')] ).

cnf(15799,plain,
    ( ~ ssList(sk5)
    | ~ ssList(sk6)
    | ~ ssList(sk7)
    | equal(app(sk5,app(sk6,sk7)),sk1) ),
    inference(spr,[status(thm),theory(equality)],[201,161]),
    [iquote('0:SpR:201.0,161.3')] ).

cnf(25528,plain,
    equal(app(sk5,app(sk6,sk7)),sk1),
    inference(ssi,[status(thm)],[15799,10,9,8]),
    [iquote('0:SSi:15799.2,15799.1,15799.0,10.0,9.0,8.0')] ).

cnf(25734,plain,
    ( ~ ssList(sk7)
    | ~ ssList(sk6)
    | ~ ssList(sk5)
    | ~ equal(app(sk5,sk7),sk2)
    | ~ equal(sk1,sk1) ),
    inference(spl,[status(thm),theory(equality)],[25528,204]),
    [iquote('0:SpL:25528.0,204.4')] ).

cnf(26973,plain,
    ( ~ ssList(sk7)
    | ~ ssList(sk6)
    | ~ ssList(sk5)
    | ~ equal(app(sk5,sk7),sk2) ),
    inference(obv,[status(thm),theory(equality)],[25734]),
    [iquote('0:Obv:25734.4')] ).

cnf(26974,plain,
    ( ~ ssList(sk7)
    | ~ ssList(sk6)
    | ~ ssList(sk5)
    | ~ equal(sk2,sk2) ),
    inference(rew,[status(thm),theory(equality)],[200,26973]),
    [iquote('0:Rew:200.0,26973.3')] ).

cnf(26975,plain,
    ( ~ ssList(sk7)
    | ~ ssList(sk6)
    | ~ ssList(sk5) ),
    inference(obv,[status(thm),theory(equality)],[26974]),
    [iquote('0:Obv:26974.3')] ).

cnf(26976,plain,
    $false,
    inference(ssi,[status(thm)],[26975,8,9,10]),
    [iquote('0:SSi:26975.2,26975.1,26975.0,8.0,9.0,10.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.10  % Problem  : SWC095-1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.11  % Command  : run_spass %d %s
% 0.10/0.30  % Computer : n032.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit : 300
% 0.10/0.30  % WCLimit  : 600
% 0.10/0.30  % DateTime : Sun Jun 12 00:00:40 EDT 2022
% 0.10/0.30  % CPUTime  : 
% 18.39/18.58  
% 18.39/18.58  SPASS V 3.9 
% 18.39/18.58  SPASS beiseite: Proof found.
% 18.39/18.58  % SZS status Theorem
% 18.39/18.58  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 18.39/18.58  SPASS derived 13717 clauses, backtracked 8883 clauses, performed 85 splits and kept 13036 clauses.
% 18.39/18.58  SPASS allocated 95108 KBytes.
% 18.39/18.58  SPASS spent	0:0:16.26 on the problem.
% 18.39/18.58  		0:00:00.03 for the input.
% 18.39/18.58  		0:00:00.00 for the FLOTTER CNF translation.
% 18.39/18.58  		0:00:00.19 for inferences.
% 18.39/18.58  		0:00:00.70 for the backtracking.
% 18.39/18.58  		0:0:15.08 for the reduction.
% 18.39/18.58  
% 18.39/18.58  
% 18.39/18.58  Here is a proof with depth 2, length 19 :
% 18.39/18.58  % SZS output start Refutation
% See solution above
% 18.39/18.58  Formulae used in the proof : co1_5 co1_6 co1_7 co1_8 co1_9 co1_10 co1_11 co1_12 clause149
% 18.39/18.58  
%------------------------------------------------------------------------------