TSTP Solution File: SET019-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET019-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n009.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 05:22:40 EDT 2022

% Result   : Unsatisfiable 0.93s 1.17s
% Output   : Refutation 0.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   18 (  11 unt;   2 nHn;  18 RR)
%            Number of literals    :   28 (   0 equ;  13 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(4,axiom,
    subset(b,a),
    file('SET019-3.p',unknown),
    [] ).

cnf(5,axiom,
    subset(a,b),
    file('SET019-3.p',unknown),
    [] ).

cnf(6,axiom,
    ~ equal(a,b),
    file('SET019-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( equal(u,v)
    | member(f1(u,v),v)
    | member(f1(u,v),u) ),
    file('SET019-3.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ member(f1(u,v),v)
    | ~ member(f1(u,v),u)
    | equal(u,v) ),
    file('SET019-3.p',unknown),
    [] ).

cnf(73,axiom,
    ( ~ member(u,v)
    | ~ subset(v,w)
    | member(u,w) ),
    file('SET019-3.p',unknown),
    [] ).

cnf(160,plain,
    ( ~ member(f1(b,a),a)
    | ~ member(f1(b,a),b) ),
    inference(res,[status(thm),theory(equality)],[10,6]),
    [iquote('0:Res:10.2,6.0')] ).

cnf(161,plain,
    ( member(f1(b,a),a)
    | member(f1(b,a),b) ),
    inference(res,[status(thm),theory(equality)],[9,6]),
    [iquote('0:Res:9.2,6.0')] ).

cnf(419,plain,
    member(f1(b,a),a),
    inference(spt,[spt(split,[position(s1)])],[161]),
    [iquote('1:Spt:161.0')] ).

cnf(420,plain,
    ~ member(f1(b,a),b),
    inference(mrr,[status(thm)],[160,419]),
    [iquote('1:MRR:160.0,419.0')] ).

cnf(1239,plain,
    ( ~ subset(a,u)
    | member(f1(b,a),u) ),
    inference(res,[status(thm),theory(equality)],[419,73]),
    [iquote('1:Res:419.0,73.0')] ).

cnf(1503,plain,
    ~ subset(a,b),
    inference(res,[status(thm),theory(equality)],[1239,420]),
    [iquote('1:Res:1239.1,420.0')] ).

cnf(1504,plain,
    $false,
    inference(mrr,[status(thm)],[1503,5]),
    [iquote('1:MRR:1503.0,5.0')] ).

cnf(1505,plain,
    ~ member(f1(b,a),a),
    inference(spt,[spt(split,[position(sa)])],[1504,419]),
    [iquote('1:Spt:1504.0,161.0,419.0')] ).

cnf(1506,plain,
    member(f1(b,a),b),
    inference(spt,[spt(split,[position(s2)])],[161]),
    [iquote('1:Spt:1504.0,161.1')] ).

cnf(1507,plain,
    ( ~ subset(b,u)
    | member(f1(b,a),u) ),
    inference(res,[status(thm),theory(equality)],[1506,73]),
    [iquote('1:Res:1506.0,73.0')] ).

cnf(3116,plain,
    ~ subset(b,a),
    inference(res,[status(thm),theory(equality)],[1507,1505]),
    [iquote('1:Res:1507.1,1505.0')] ).

cnf(3117,plain,
    $false,
    inference(mrr,[status(thm)],[3116,4]),
    [iquote('1:MRR:3116.0,4.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET019-3 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n009.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jul 10 23:38:22 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.93/1.17  
% 0.93/1.17  SPASS V 3.9 
% 0.93/1.17  SPASS beiseite: Proof found.
% 0.93/1.17  % SZS status Theorem
% 0.93/1.17  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.93/1.17  SPASS derived 2470 clauses, backtracked 1128 clauses, performed 10 splits and kept 2813 clauses.
% 0.93/1.17  SPASS allocated 78571 KBytes.
% 0.93/1.17  SPASS spent	0:00:00.80 on the problem.
% 0.93/1.17  		0:00:00.04 for the input.
% 0.93/1.17  		0:00:00.00 for the FLOTTER CNF translation.
% 0.93/1.17  		0:00:00.03 for inferences.
% 0.93/1.17  		0:00:00.02 for the backtracking.
% 0.93/1.17  		0:00:00.66 for the reduction.
% 0.93/1.17  
% 0.93/1.17  
% 0.93/1.17  Here is a proof with depth 4, length 18 :
% 0.93/1.17  % SZS output start Refutation
% See solution above
% 0.93/1.17  Formulae used in the proof : a_contains_b b_contains_a prove__a_equals_b extensionality2 extensionality3 subset1
% 0.93/1.17  
%------------------------------------------------------------------------------