TSTP Solution File: SET864-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET864-1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n017.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 05:29:26 EDT 2022

% Result   : Unsatisfiable 4.06s 4.27s
% Output   : Refutation 4.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   12 (   6 unt;   0 nHn;  12 RR)
%            Number of literals    :   22 (   0 equ;  14 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ c_in(u,v,tc_set(w))
    | ~ c_in(x,c_Zorn_Omaxchain(v,w),tc_set(tc_set(w)))
    | ~ c_lessequals(c_Union(x,w),u,tc_set(w))
    | equal(c_Union(x,w),u) ),
    file('SET864-1.p',unknown),
    [] ).

cnf(4,axiom,
    c_in(v_c,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))),
    file('SET864-1.p',unknown),
    [] ).

cnf(6,axiom,
    c_in(c_Union(v_c,t_a),v_S,tc_set(t_a)),
    file('SET864-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ c_in(u,v_S,tc_set(t_a))
    | c_in(v_x(u),v_S,tc_set(t_a)) ),
    file('SET864-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ c_in(u,v_S,tc_set(t_a))
    | c_lessequals(u,v_x(u),tc_set(t_a)) ),
    file('SET864-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ equal(v_x(u),u)
    | ~ c_in(u,v_S,tc_set(t_a)) ),
    file('SET864-1.p',unknown),
    [] ).

cnf(1426,plain,
    ( ~ c_in(u,v_S,tc_set(t_a))
    | ~ c_lessequals(c_Union(v_c,t_a),u,tc_set(t_a))
    | equal(c_Union(v_c,t_a),u) ),
    inference(res,[status(thm),theory(equality)],[4,2]),
    [iquote('0:Res:4.0,2.1')] ).

cnf(1514,plain,
    ~ equal(v_x(c_Union(v_c,t_a)),c_Union(v_c,t_a)),
    inference(res,[status(thm),theory(equality)],[6,9]),
    [iquote('0:Res:6.0,9.1')] ).

cnf(8064,plain,
    ( ~ c_in(c_Union(v_c,t_a),v_S,tc_set(t_a))
    | ~ c_in(v_x(c_Union(v_c,t_a)),v_S,tc_set(t_a))
    | equal(v_x(c_Union(v_c,t_a)),c_Union(v_c,t_a)) ),
    inference(res,[status(thm),theory(equality)],[8,1426]),
    [iquote('0:Res:8.1,1426.1')] ).

cnf(8067,plain,
    ~ c_in(v_x(c_Union(v_c,t_a)),v_S,tc_set(t_a)),
    inference(mrr,[status(thm)],[8064,6,1514]),
    [iquote('0:MRR:8064.0,8064.2,6.0,1514.0')] ).

cnf(8069,plain,
    ~ c_in(c_Union(v_c,t_a),v_S,tc_set(t_a)),
    inference(res,[status(thm),theory(equality)],[7,8067]),
    [iquote('0:Res:7.1,8067.0')] ).

cnf(8070,plain,
    $false,
    inference(mrr,[status(thm)],[8069,6]),
    [iquote('0:MRR:8069.0,6.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET864-1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n017.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 : Mon Jul 11 04:43:03 EDT 2022
% 0.12/0.35  % CPUTime  : 
% 4.06/4.27  
% 4.06/4.27  SPASS V 3.9 
% 4.06/4.27  SPASS beiseite: Proof found.
% 4.06/4.27  % SZS status Theorem
% 4.06/4.27  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 4.06/4.27  SPASS derived 5657 clauses, backtracked 22 clauses, performed 2 splits and kept 4224 clauses.
% 4.06/4.27  SPASS allocated 88365 KBytes.
% 4.06/4.27  SPASS spent	0:00:03.74 on the problem.
% 4.06/4.27  		0:00:00.08 for the input.
% 4.06/4.27  		0:00:00.00 for the FLOTTER CNF translation.
% 4.06/4.27  		0:00:00.20 for inferences.
% 4.06/4.27  		0:00:00.00 for the backtracking.
% 4.06/4.27  		0:00:03.14 for the reduction.
% 4.06/4.27  
% 4.06/4.27  
% 4.06/4.27  Here is a proof with depth 3, length 12 :
% 4.06/4.27  % SZS output start Refutation
% See solution above
% 4.06/4.27  Formulae used in the proof : cls_Zorn_Omaxchain__Zorn_0 cls_conjecture_0 cls_conjecture_2 cls_conjecture_3 cls_conjecture_4 cls_conjecture_5
% 4.06/4.27  
%------------------------------------------------------------------------------