TSTP Solution File: SWC189-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC189-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n007.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 22:02:21 EDT 2022

% Result   : Unsatisfiable 13.58s 13.82s
% Output   : Refutation 13.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   31 (  12 unt;   1 nHn;  31 RR)
%            Number of literals    :   88 (   0 equ;  64 neg)
%            Maximal clause size   :    7 (   2 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;  12 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(6,axiom,
    equal(sk1,sk3),
    file('SWC189-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ ssItem(x)
    | ~ equal(app(app(app(v,cons(x,nil)),cons(w,nil)),u),sk3)
    | equal(x,w) ),
    file('SWC189-1.p',unknown),
    [] ).

cnf(10,axiom,
    ssList(sk7),
    file('SWC189-1.p',unknown),
    [] ).

cnf(11,axiom,
    ssList(sk8),
    file('SWC189-1.p',unknown),
    [] ).

cnf(12,axiom,
    equal(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),sk1),
    file('SWC189-1.p',unknown),
    [] ).

cnf(13,axiom,
    ~ equal(sk6,sk5),
    file('SWC189-1.p',unknown),
    [] ).

cnf(25,axiom,
    ssItem(skaf83(u)),
    file('SWC189-1.p',unknown),
    [] ).

cnf(85,axiom,
    ( ~ ssList(u)
    | ssItem(v)
    | duplicatefreeP(u) ),
    file('SWC189-1.p',unknown),
    [] ).

cnf(98,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ssList(app(u,v)) ),
    file('SWC189-1.p',unknown),
    [] ).

cnf(99,axiom,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ssList(cons(v,u)) ),
    file('SWC189-1.p',unknown),
    [] ).

cnf(170,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | equal(app(cons(w,v),u),cons(w,app(v,u))) ),
    file('SWC189-1.p',unknown),
    [] ).

cnf(192,axiom,
    ( ~ ssList(u)
    | ~ duplicatefreeP(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ~ ssList(x)
    | ~ ssList(y)
    | ~ equal(app(app(w,cons(v,x)),cons(v,y)),u) ),
    file('SWC189-1.p',unknown),
    [] ).

cnf(201,plain,
    equal(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),sk3),
    inference(rew,[status(thm),theory(equality)],[6,12]),
    [iquote('0:Rew:6.0,12.0')] ).

cnf(516,plain,
    ( ~ ssItem(u)
    | ssList(cons(u,sk7)) ),
    inference(res,[status(thm),theory(equality)],[10,99]),
    [iquote('0:Res:10.0,99.1')] ).

cnf(552,plain,
    ssItem(u),
    inference(spt,[spt(split,[position(s1)])],[85]),
    [iquote('1:Spt:85.1')] ).

cnf(752,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(app(app(v,cons(w,nil)),cons(x,nil)),u),sk3)
    | equal(w,x) ),
    inference(mrr,[status(thm)],[7,552]),
    [iquote('1:MRR:7.3,7.2,552.0')] ).

cnf(5647,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ equal(sk3,sk3)
    | equal(sk6,sk5) ),
    inference(spl,[status(thm),theory(equality)],[201,752]),
    [iquote('1:SpL:201.0,752.2')] ).

cnf(6370,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | equal(sk6,sk5) ),
    inference(obv,[status(thm),theory(equality)],[5647]),
    [iquote('1:Obv:5647.2')] ).

cnf(6371,plain,
    equal(sk6,sk5),
    inference(ssi,[status(thm)],[6370,10,11]),
    [iquote('1:SSi:6370.1,6370.0,10.0,11.0')] ).

cnf(6372,plain,
    $false,
    inference(mrr,[status(thm)],[6371,13]),
    [iquote('1:MRR:6371.0,13.0')] ).

cnf(6394,plain,
    ( ~ ssList(u)
    | duplicatefreeP(u) ),
    inference(spt,[spt(split,[position(s2)])],[85]),
    [iquote('1:Spt:6372.0,85.0,85.2')] ).

cnf(6412,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ~ ssList(x)
    | ~ ssList(y)
    | ~ equal(app(app(w,cons(v,x)),cons(v,y)),u) ),
    inference(mrr,[status(thm)],[192,6394]),
    [iquote('1:MRR:192.1,6394.1')] ).

cnf(25708,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ ssList(cons(w,v))
    | ~ ssList(u)
    | ssList(cons(w,app(v,u))) ),
    inference(spr,[status(thm),theory(equality)],[170,98]),
    [iquote('0:SpR:170.3,98.2')] ).

cnf(25760,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(cons(v,u))
    | ~ ssList(w)
    | ssList(cons(v,app(u,w))) ),
    inference(obv,[status(thm),theory(equality)],[25708]),
    [iquote('0:Obv:25708.0')] ).

cnf(25761,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ssList(cons(v,app(u,w))) ),
    inference(ssi,[status(thm)],[25760,99]),
    [iquote('0:SSi:25760.2,99.2')] ).

cnf(27532,plain,
    ( ~ ssList(app(app(u,cons(v,w)),cons(v,x)))
    | ~ ssItem(v)
    | ~ ssList(u)
    | ~ ssList(w)
    | ~ ssList(x) ),
    inference(eqr,[status(thm),theory(equality)],[6412]),
    [iquote('1:EqR:6412.5')] ).

cnf(27570,plain,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ ssList(x) ),
    inference(ssi,[status(thm)],[27532,98,99]),
    [iquote('1:SSi:27532.0,98.2,98.2,99.2,99.2')] ).

cnf(27571,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w) ),
    inference(mrr,[status(thm)],[25761,27570]),
    [iquote('1:MRR:25761.3,27570.1')] ).

cnf(27574,plain,
    ( ~ ssList(u)
    | ~ ssItem(v) ),
    inference(con,[status(thm)],[27571]),
    [iquote('1:Con:27571.2')] ).

cnf(27576,plain,
    ~ ssItem(u),
    inference(mrr,[status(thm)],[516,27574]),
    [iquote('1:MRR:516.1,27574.0')] ).

cnf(27578,plain,
    $false,
    inference(unc,[status(thm)],[27576,25]),
    [iquote('1:UnC:27576.0,25.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SWC189-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n007.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 : Sun Jun 12 23:00:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 13.58/13.82  
% 13.58/13.82  SPASS V 3.9 
% 13.58/13.82  SPASS beiseite: Proof found.
% 13.58/13.82  % SZS status Theorem
% 13.58/13.82  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 13.58/13.82  SPASS derived 16840 clauses, backtracked 7840 clauses, performed 92 splits and kept 14681 clauses.
% 13.58/13.82  SPASS allocated 95471 KBytes.
% 13.58/13.82  SPASS spent	0:0:10.49 on the problem.
% 13.58/13.82  		0:00:00.04 for the input.
% 13.58/13.82  		0:00:00.00 for the FLOTTER CNF translation.
% 13.58/13.82  		0:00:00.14 for inferences.
% 13.58/13.82  		0:00:00.33 for the backtracking.
% 13.58/13.82  		0:00:09.73 for the reduction.
% 13.58/13.82  
% 13.58/13.82  
% 13.58/13.82  Here is a proof with depth 1, length 31 :
% 13.58/13.82  % SZS output start Refutation
% See solution above
% 13.58/13.82  Formulae used in the proof : co1_6 co1_7 co1_10 co1_11 co1_12 co1_13 clause12 clause72 clause85 clause86 clause157 clause179
% 13.58/13.82  
%------------------------------------------------------------------------------