TSTP Solution File: SWC408-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC408-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n028.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 22:03:53 EDT 2022

% Result   : Unsatisfiable 4.23s 4.41s
% Output   : Refutation 4.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   33 (  13 unt;   1 nHn;  33 RR)
%            Number of literals    :   90 (   0 equ;  64 neg)
%            Maximal clause size   :    7 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  10 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ssList(sk2),
    file('SWC408-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(app(sk4,sk4),sk3),
    file('SWC408-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk4,sk2),
    file('SWC408-1.p',unknown),
    [] ).

cnf(7,axiom,
    equal(sk3,sk1),
    file('SWC408-1.p',unknown),
    [] ).

cnf(9,axiom,
    memberP(sk2,sk5),
    file('SWC408-1.p',unknown),
    [] ).

cnf(10,axiom,
    ~ memberP(sk1,sk5),
    file('SWC408-1.p',unknown),
    [] ).

cnf(22,axiom,
    ssItem(skaf83(u)),
    file('SWC408-1.p',unknown),
    [] ).

cnf(82,axiom,
    ( ~ ssList(u)
    | ssItem(v)
    | duplicatefreeP(u) ),
    file('SWC408-1.p',unknown),
    [] ).

cnf(95,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ssList(app(u,v)) ),
    file('SWC408-1.p',unknown),
    [] ).

cnf(96,axiom,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ssList(cons(v,u)) ),
    file('SWC408-1.p',unknown),
    [] ).

cnf(151,axiom,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ memberP(w,u)
    | memberP(app(v,w),u) ),
    file('SWC408-1.p',unknown),
    [] ).

cnf(167,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | equal(app(cons(w,v),u),cons(w,app(v,u))) ),
    file('SWC408-1.p',unknown),
    [] ).

cnf(189,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('SWC408-1.p',unknown),
    [] ).

cnf(198,plain,
    equal(app(sk2,sk2),sk1),
    inference(rew,[status(thm),theory(equality)],[6,5,7]),
    [iquote('0:Rew:6.0,5.0,7.0,5.0')] ).

cnf(442,plain,
    ( ~ ssItem(u)
    | ssList(cons(u,sk2)) ),
    inference(res,[status(thm),theory(equality)],[2,96]),
    [iquote('0:Res:2.0,96.1')] ).

cnf(478,plain,
    ssItem(u),
    inference(spt,[spt(split,[position(s1)])],[82]),
    [iquote('1:Spt:82.1')] ).

cnf(575,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ memberP(v,w)
    | memberP(app(u,v),w) ),
    inference(mrr,[status(thm)],[151,478]),
    [iquote('1:MRR:151.0,478.0')] ).

cnf(1796,plain,
    ( ~ ssList(sk2)
    | ~ ssList(sk2)
    | ~ memberP(sk2,u)
    | memberP(sk1,u) ),
    inference(spr,[status(thm),theory(equality)],[198,575]),
    [iquote('1:SpR:198.0,575.3')] ).

cnf(1801,plain,
    ( ~ ssList(sk2)
    | ~ memberP(sk2,u)
    | memberP(sk1,u) ),
    inference(obv,[status(thm),theory(equality)],[1796]),
    [iquote('1:Obv:1796.0')] ).

cnf(2836,plain,
    ( ~ memberP(sk2,u)
    | memberP(sk1,u) ),
    inference(ssi,[status(thm)],[1801,2]),
    [iquote('1:SSi:1801.0,2.0')] ).

cnf(3209,plain,
    memberP(sk1,sk5),
    inference(res,[status(thm),theory(equality)],[9,2836]),
    [iquote('1:Res:9.0,2836.0')] ).

cnf(3210,plain,
    $false,
    inference(mrr,[status(thm)],[3209,10]),
    [iquote('1:MRR:3209.0,10.0')] ).

cnf(3211,plain,
    ( ~ ssList(u)
    | duplicatefreeP(u) ),
    inference(spt,[spt(split,[position(s2)])],[82]),
    [iquote('1:Spt:3210.0,82.0,82.2')] ).

cnf(3229,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)],[189,3211]),
    [iquote('1:MRR:189.1,3211.1')] ).

cnf(10052,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)],[167,95]),
    [iquote('0:SpR:167.3,95.2')] ).

cnf(10084,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(cons(v,u))
    | ~ ssList(w)
    | ssList(cons(v,app(u,w))) ),
    inference(obv,[status(thm),theory(equality)],[10052]),
    [iquote('0:Obv:10052.0')] ).

cnf(10085,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ssList(cons(v,app(u,w))) ),
    inference(ssi,[status(thm)],[10084,96]),
    [iquote('0:SSi:10084.2,96.2')] ).

cnf(11201,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)],[3229]),
    [iquote('1:EqR:3229.5')] ).

cnf(11224,plain,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ ssList(x) ),
    inference(ssi,[status(thm)],[11201,95,96]),
    [iquote('1:SSi:11201.0,95.2,95.2,96.2,96.2')] ).

cnf(11225,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w) ),
    inference(mrr,[status(thm)],[10085,11224]),
    [iquote('1:MRR:10085.3,11224.1')] ).

cnf(11228,plain,
    ( ~ ssList(u)
    | ~ ssItem(v) ),
    inference(con,[status(thm)],[11225]),
    [iquote('1:Con:11225.2')] ).

cnf(11229,plain,
    ~ ssItem(u),
    inference(mrr,[status(thm)],[442,11228]),
    [iquote('1:MRR:442.1,11228.0')] ).

cnf(11230,plain,
    $false,
    inference(unc,[status(thm)],[11229,22]),
    [iquote('1:UnC:11229.0,22.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC408-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.14/0.34  % Computer : n028.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sat Jun 11 20:08:50 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 4.23/4.41  
% 4.23/4.41  SPASS V 3.9 
% 4.23/4.41  SPASS beiseite: Proof found.
% 4.23/4.41  % SZS status Theorem
% 4.23/4.41  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 4.23/4.41  SPASS derived 6925 clauses, backtracked 3078 clauses, performed 57 splits and kept 6372 clauses.
% 4.23/4.41  SPASS allocated 84472 KBytes.
% 4.23/4.41  SPASS spent	0:00:03.68 on the problem.
% 4.23/4.41  		0:00:00.04 for the input.
% 4.23/4.41  		0:00:00.00 for the FLOTTER CNF translation.
% 4.23/4.41  		0:00:00.07 for inferences.
% 4.23/4.41  		0:00:00.09 for the backtracking.
% 4.23/4.41  		0:00:03.25 for the reduction.
% 4.23/4.41  
% 4.23/4.41  
% 4.23/4.41  Here is a proof with depth 2, length 33 :
% 4.23/4.41  % SZS output start Refutation
% See solution above
% 4.23/4.41  Formulae used in the proof : co1_2 co1_5 co1_6 co1_7 co1_9 co1_10 clause12 clause72 clause85 clause86 clause141 clause157 clause179
% 4.23/4.41  
%------------------------------------------------------------------------------