TSTP Solution File: SET027-4 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET027-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n019.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 05:22:49 EDT 2022

% Result   : Unsatisfiable 170.77s 170.98s
% Output   : Refutation 170.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   34 (  12 unt;   8 nHn;  34 RR)
%            Number of literals    :   66 (   0 equ;  30 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    subset(a,b),
    file('SET027-4.p',unknown),
    [] ).

cnf(2,axiom,
    subset(b,c),
    file('SET027-4.p',unknown),
    [] ).

cnf(3,axiom,
    ~ subset(a,c),
    file('SET027-4.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ member(u,v)
    | little_set(u) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(34,axiom,
    ( ~ member(u,v)
    | ~ member(u,complement(v)) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ little_set(u)
    | member(u,v)
    | member(u,complement(v)) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(70,axiom,
    ( ~ member(u,v)
    | ~ subset(v,w)
    | member(u,w) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(71,axiom,
    ( subset(u,v)
    | member(f17(u,v),u) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(72,axiom,
    ( ~ member(f17(u,v),v)
    | subset(u,v) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(98,axiom,
    ( ~ member(u,v)
    | ~ member(u,w)
    | ~ disjoint(w,v) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(99,axiom,
    ( disjoint(u,v)
    | member(f23(u,v),u) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(100,axiom,
    ( disjoint(u,v)
    | member(f23(u,v),v) ),
    file('SET027-4.p',unknown),
    [] ).

cnf(145,plain,
    ~ member(f17(a,c),c),
    inference(res,[status(thm),theory(equality)],[72,3]),
    [iquote('0:Res:72.1,3.0')] ).

cnf(146,plain,
    member(f17(a,c),a),
    inference(res,[status(thm),theory(equality)],[71,3]),
    [iquote('0:Res:71.0,3.0')] ).

cnf(158,plain,
    little_set(f17(a,c)),
    inference(res,[status(thm),theory(equality)],[146,4]),
    [iquote('0:Res:146.0,4.0')] ).

cnf(251,plain,
    ( ~ member(f23(u,complement(v)),v)
    | disjoint(u,complement(v)) ),
    inference(res,[status(thm),theory(equality)],[100,34]),
    [iquote('0:Res:100.1,34.1')] ).

cnf(955,plain,
    ( ~ subset(u,v)
    | disjoint(w,u)
    | member(f23(w,u),v) ),
    inference(res,[status(thm),theory(equality)],[100,70]),
    [iquote('0:Res:100.1,70.0')] ).

cnf(1186,plain,
    ( ~ member(f17(a,c),u)
    | ~ disjoint(u,a) ),
    inference(res,[status(thm),theory(equality)],[146,98]),
    [iquote('0:Res:146.0,98.0')] ).

cnf(1195,plain,
    ( ~ member(f23(u,v),w)
    | ~ disjoint(w,u)
    | disjoint(u,v) ),
    inference(res,[status(thm),theory(equality)],[99,98]),
    [iquote('0:Res:99.1,98.0')] ).

cnf(2925,plain,
    ( ~ little_set(f17(a,c))
    | ~ disjoint(complement(u),a)
    | member(f17(a,c),u) ),
    inference(res,[status(thm),theory(equality)],[35,1186]),
    [iquote('0:Res:35.2,1186.0')] ).

cnf(2936,plain,
    ( ~ disjoint(complement(u),a)
    | member(f17(a,c),u) ),
    inference(ssi,[status(thm)],[2925,158]),
    [iquote('0:SSi:2925.0,158.0')] ).

cnf(3300,plain,
    ~ disjoint(complement(c),a),
    inference(res,[status(thm),theory(equality)],[2936,145]),
    [iquote('0:Res:2936.1,145.0')] ).

cnf(6888,plain,
    ( disjoint(u,complement(u))
    | disjoint(u,complement(u)) ),
    inference(res,[status(thm),theory(equality)],[99,251]),
    [iquote('0:Res:99.1,251.0')] ).

cnf(6889,plain,
    disjoint(u,complement(u)),
    inference(obv,[status(thm),theory(equality)],[6888]),
    [iquote('0:Obv:6888.0')] ).

cnf(12177,plain,
    ( ~ disjoint(u,v)
    | disjoint(v,u)
    | disjoint(v,u) ),
    inference(res,[status(thm),theory(equality)],[100,1195]),
    [iquote('0:Res:100.1,1195.0')] ).

cnf(12181,plain,
    ( ~ subset(u,v)
    | ~ disjoint(v,w)
    | disjoint(w,u)
    | disjoint(w,u) ),
    inference(res,[status(thm),theory(equality)],[955,1195]),
    [iquote('0:Res:955.2,1195.0')] ).

cnf(12185,plain,
    ( ~ disjoint(u,v)
    | disjoint(v,u) ),
    inference(obv,[status(thm),theory(equality)],[12177]),
    [iquote('0:Obv:12177.1')] ).

cnf(12189,plain,
    ( ~ subset(u,v)
    | ~ disjoint(v,w)
    | disjoint(w,u) ),
    inference(obv,[status(thm),theory(equality)],[12181]),
    [iquote('0:Obv:12181.2')] ).

cnf(79359,plain,
    ( ~ disjoint(c,u)
    | disjoint(u,b) ),
    inference(res,[status(thm),theory(equality)],[2,12189]),
    [iquote('0:Res:2.0,12189.0')] ).

cnf(79360,plain,
    ( ~ disjoint(b,u)
    | disjoint(u,a) ),
    inference(res,[status(thm),theory(equality)],[1,12189]),
    [iquote('0:Res:1.0,12189.0')] ).

cnf(79419,plain,
    disjoint(complement(c),b),
    inference(res,[status(thm),theory(equality)],[6889,79359]),
    [iquote('0:Res:6889.0,79359.0')] ).

cnf(79429,plain,
    disjoint(b,complement(c)),
    inference(res,[status(thm),theory(equality)],[79419,12185]),
    [iquote('0:Res:79419.0,12185.0')] ).

cnf(79998,plain,
    disjoint(complement(c),a),
    inference(res,[status(thm),theory(equality)],[79429,79360]),
    [iquote('0:Res:79429.0,79360.0')] ).

cnf(80002,plain,
    $false,
    inference(mrr,[status(thm)],[79998,3300]),
    [iquote('0:MRR:79998.0,3300.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SET027-4 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n019.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jul 11 09:23:08 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 170.77/170.98  
% 170.77/170.98  SPASS V 3.9 
% 170.77/170.98  SPASS beiseite: Proof found.
% 170.77/170.98  % SZS status Theorem
% 170.77/170.98  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 170.77/170.98  SPASS derived 58512 clauses, backtracked 1860 clauses, performed 22 splits and kept 26622 clauses.
% 170.77/170.98  SPASS allocated 157967 KBytes.
% 170.77/170.98  SPASS spent	0:2:47.83 on the problem.
% 170.77/170.98  		0:00:00.04 for the input.
% 170.77/170.98  		0:00:00.00 for the FLOTTER CNF translation.
% 170.77/170.98  		0:00:01.20 for inferences.
% 170.77/170.98  		0:0:12.31 for the backtracking.
% 170.77/170.98  		0:2:32.70 for the reduction.
% 170.77/170.98  
% 170.77/170.98  
% 170.77/170.98  Here is a proof with depth 6, length 34 :
% 170.77/170.98  % SZS output start Refutation
% See solution above
% 170.77/170.98  Formulae used in the proof : a_subset_b b_subset_c prove_a_subset_c a2 complement1 complement2 subset1 subset2 subset3 disjoint1 disjoint2 disjoint3
% 170.77/170.98  
%------------------------------------------------------------------------------