TSTP Solution File: SET097-6 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET097-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n023.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  : 300s
% DateTime : Fri May  3 02:59:52 EDT 2024

% Result   : Unsatisfiable 37.22s 6.21s
% Output   : CNFRefutation 37.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   18
% Syntax   : Number of clauses     :   85 (  26 unt;  27 nHn;  70 RR)
%            Number of literals    :  171 (  42 equ;  65 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   3 con; 0-2 aty)
%            Number of variables   :   81 (   7 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,negated_conjecture,
    ~ member(not_subclass_element(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class),intersection(complement(singleton(not_subclass_element(x,null_class))),x)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_number_of_elements_in_class_1) ).

cnf(c_50,negated_conjecture,
    singleton(not_subclass_element(x,null_class)) != x,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_number_of_elements_in_class_2) ).

cnf(c_51,negated_conjecture,
    x != null_class,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_number_of_elements_in_class_3) ).

cnf(c_52,plain,
    ( ~ member(X0,X1)
    | ~ subclass(X1,X2)
    | member(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',subclass_members) ).

cnf(c_53,plain,
    ( member(not_subclass_element(X0,X1),X0)
    | subclass(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',not_subclass_members1) ).

cnf(c_54,plain,
    ( ~ member(not_subclass_element(X0,X1),X1)
    | subclass(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',not_subclass_members2) ).

cnf(c_55,plain,
    subclass(X0,universal_class),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',class_elements_are_sets) ).

cnf(c_56,plain,
    ( X0 != X1
    | subclass(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',equal_implies_subclass1) ).

cnf(c_58,plain,
    ( ~ subclass(X0,X1)
    | ~ subclass(X1,X0)
    | X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',subclass_implies_equal) ).

cnf(c_59,plain,
    ( ~ member(X0,unordered_pair(X1,X2))
    | X0 = X1
    | X0 = X2 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',unordered_pair_member) ).

cnf(c_63,plain,
    unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',singleton_set) ).

cnf(c_72,plain,
    ( ~ member(X0,intersection(X1,X2))
    | member(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',intersection1) ).

cnf(c_73,plain,
    ( ~ member(X0,intersection(X1,X2))
    | member(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',intersection2) ).

cnf(c_74,plain,
    ( ~ member(X0,X1)
    | ~ member(X0,X2)
    | member(X0,intersection(X1,X2)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',intersection3) ).

cnf(c_75,plain,
    ( ~ member(X0,complement(X1))
    | ~ member(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',complement1) ).

cnf(c_76,plain,
    ( ~ member(X0,universal_class)
    | member(X0,complement(X1))
    | member(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',complement2) ).

cnf(c_117,plain,
    ( X0 = null_class
    | member(regular(X0),X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',regularity1) ).

cnf(c_118,plain,
    ( intersection(X0,regular(X0)) = null_class
    | X0 = null_class ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',regularity2) ).

cnf(c_144,plain,
    subclass(X0,X0),
    inference(unflattening,[status(thm)],[c_56]) ).

cnf(c_3673,plain,
    ( x = null_class
    | member(regular(x),x) ),
    inference(instantiation,[status(thm)],[c_117]) ).

cnf(c_3777,plain,
    ( ~ member(regular(x),x)
    | ~ subclass(x,X0)
    | member(regular(x),X0) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_3778,plain,
    ( ~ member(regular(x),x)
    | ~ subclass(x,universal_class)
    | member(regular(x),universal_class) ),
    inference(instantiation,[status(thm)],[c_3777]) ).

cnf(c_4243,plain,
    ( member(not_subclass_element(intersection(X0,X1),X2),X0)
    | subclass(intersection(X0,X1),X2) ),
    inference(superposition,[status(thm)],[c_53,c_72]) ).

cnf(c_4257,plain,
    ( ~ member(regular(complement(X0)),X0)
    | complement(X0) = null_class ),
    inference(superposition,[status(thm)],[c_117,c_75]) ).

cnf(c_4313,plain,
    ( ~ subclass(X0,X1)
    | X0 = null_class
    | member(regular(X0),X1) ),
    inference(superposition,[status(thm)],[c_117,c_52]) ).

cnf(c_4338,plain,
    subclass(intersection(X0,X1),X0),
    inference(superposition,[status(thm)],[c_4243,c_54]) ).

cnf(c_4711,plain,
    ( X0 = null_class
    | subclass(null_class,X0) ),
    inference(superposition,[status(thm)],[c_118,c_4338]) ).

cnf(c_4744,plain,
    subclass(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class),
    inference(resolution,[status(thm)],[c_49,c_53]) ).

cnf(c_4896,plain,
    ( ~ member(not_subclass_element(complement(X0),X1),X0)
    | subclass(complement(X0),X1) ),
    inference(resolution,[status(thm)],[c_75,c_53]) ).

cnf(c_5056,plain,
    ( ~ member(X0,X1)
    | member(X0,universal_class) ),
    inference(resolution,[status(thm)],[c_52,c_55]) ).

cnf(c_5064,plain,
    ( ~ member(X0,intersection(complement(singleton(not_subclass_element(x,null_class))),x))
    | member(X0,null_class) ),
    inference(resolution,[status(thm)],[c_52,c_4744]) ).

cnf(c_5071,plain,
    subclass(x,universal_class),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_5092,plain,
    ( ~ subclass(X0,null_class)
    | X0 = null_class ),
    inference(superposition,[status(thm)],[c_4711,c_58]) ).

cnf(c_5243,plain,
    ( member(not_subclass_element(X0,X1),universal_class)
    | subclass(X0,X1) ),
    inference(resolution,[status(thm)],[c_5056,c_53]) ).

cnf(c_5571,plain,
    ( ~ subclass(complement(X0),X0)
    | complement(X0) = null_class ),
    inference(superposition,[status(thm)],[c_4313,c_4257]) ).

cnf(c_5575,plain,
    ( ~ subclass(complement(universal_class),universal_class)
    | complement(universal_class) = null_class ),
    inference(instantiation,[status(thm)],[c_5571]) ).

cnf(c_5712,plain,
    subclass(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class),
    inference(superposition,[status(thm)],[c_53,c_49]) ).

cnf(c_5713,plain,
    intersection(complement(singleton(not_subclass_element(x,null_class))),x) = null_class,
    inference(superposition,[status(thm)],[c_5712,c_5092]) ).

cnf(c_5748,plain,
    ( ~ member(X0,null_class)
    | member(X0,complement(singleton(not_subclass_element(x,null_class)))) ),
    inference(superposition,[status(thm)],[c_5713,c_72]) ).

cnf(c_5893,plain,
    ( ~ subclass(complement(singleton(not_subclass_element(x,null_class))),X0)
    | ~ member(X1,null_class)
    | member(X1,X0) ),
    inference(superposition,[status(thm)],[c_5748,c_52]) ).

cnf(c_5904,plain,
    ( ~ member(X0,null_class)
    | member(X0,universal_class) ),
    inference(superposition,[status(thm)],[c_55,c_5893]) ).

cnf(c_6340,plain,
    subclass(complement(universal_class),X0),
    inference(resolution,[status(thm)],[c_4896,c_5243]) ).

cnf(c_6341,plain,
    subclass(complement(universal_class),universal_class),
    inference(instantiation,[status(thm)],[c_6340]) ).

cnf(c_6655,plain,
    ( ~ member(X0,complement(singleton(not_subclass_element(x,null_class))))
    | ~ member(X0,x)
    | member(X0,null_class) ),
    inference(resolution,[status(thm)],[c_74,c_5064]) ).

cnf(c_6903,plain,
    ( ~ member(X0,x)
    | ~ member(X0,universal_class)
    | member(X0,singleton(not_subclass_element(x,null_class)))
    | member(X0,null_class) ),
    inference(resolution,[status(thm)],[c_6655,c_76]) ).

cnf(c_7039,plain,
    ( ~ member(X0,x)
    | member(X0,singleton(not_subclass_element(x,null_class)))
    | member(X0,null_class) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_6903,c_5056]) ).

cnf(c_16167,plain,
    subclass(intersection(complement(singleton(not_subclass_element(x,null_class))),x),null_class),
    inference(superposition,[status(thm)],[c_53,c_49]) ).

cnf(c_16187,plain,
    intersection(complement(singleton(not_subclass_element(x,null_class))),x) = null_class,
    inference(superposition,[status(thm)],[c_16167,c_5092]) ).

cnf(c_16206,plain,
    ( ~ member(X0,null_class)
    | member(X0,complement(singleton(not_subclass_element(x,null_class)))) ),
    inference(superposition,[status(thm)],[c_16187,c_72]) ).

cnf(c_16235,plain,
    ( ~ member(X0,null_class)
    | member(X0,x) ),
    inference(superposition,[status(thm)],[c_16187,c_73]) ).

cnf(c_16321,plain,
    ( ~ subclass(complement(singleton(not_subclass_element(x,null_class))),X0)
    | ~ member(X1,null_class)
    | member(X1,X0) ),
    inference(superposition,[status(thm)],[c_16206,c_52]) ).

cnf(c_16325,plain,
    ( ~ member(X0,null_class)
    | member(X0,universal_class) ),
    inference(superposition,[status(thm)],[c_55,c_16321]) ).

cnf(c_16467,plain,
    ( ~ member(X0,null_class)
    | X1 = null_class
    | member(X0,X1) ),
    inference(superposition,[status(thm)],[c_118,c_72]) ).

cnf(c_16579,plain,
    ( ~ member(X0,complement(singleton(not_subclass_element(x,null_class))))
    | ~ member(X0,x)
    | member(X0,null_class) ),
    inference(superposition,[status(thm)],[c_16187,c_74]) ).

cnf(c_16639,plain,
    ( ~ member(X0,x)
    | ~ member(X0,universal_class)
    | member(X0,singleton(not_subclass_element(x,null_class)))
    | member(X0,null_class) ),
    inference(superposition,[status(thm)],[c_76,c_16579]) ).

cnf(c_16647,plain,
    ( ~ member(X0,x)
    | member(X0,singleton(not_subclass_element(x,null_class)))
    | member(X0,null_class) ),
    inference(global_subsumption_just,[status(thm)],[c_16639,c_7039]) ).

cnf(c_16653,plain,
    ( ~ member(not_subclass_element(X0,singleton(not_subclass_element(x,null_class))),x)
    | member(not_subclass_element(X0,singleton(not_subclass_element(x,null_class))),null_class)
    | subclass(X0,singleton(not_subclass_element(x,null_class))) ),
    inference(superposition,[status(thm)],[c_16647,c_54]) ).

cnf(c_16699,plain,
    ( ~ member(X0,singleton(X1))
    | X0 = X1 ),
    inference(superposition,[status(thm)],[c_63,c_59]) ).

cnf(c_17168,plain,
    ( member(not_subclass_element(x,singleton(not_subclass_element(x,null_class))),null_class)
    | subclass(x,singleton(not_subclass_element(x,null_class))) ),
    inference(superposition,[status(thm)],[c_53,c_16653]) ).

cnf(c_17812,plain,
    ( not_subclass_element(singleton(X0),X1) = X0
    | subclass(singleton(X0),X1) ),
    inference(superposition,[status(thm)],[c_53,c_16699]) ).

cnf(c_17825,plain,
    ( ~ member(X0,x)
    | not_subclass_element(x,null_class) = X0
    | member(X0,null_class) ),
    inference(superposition,[status(thm)],[c_16647,c_16699]) ).

cnf(c_17882,plain,
    ( not_subclass_element(x,null_class) = regular(x)
    | x = null_class
    | member(regular(x),null_class) ),
    inference(superposition,[status(thm)],[c_117,c_17825]) ).

cnf(c_17896,plain,
    ( not_subclass_element(x,null_class) = regular(x)
    | member(regular(x),null_class) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_17882,c_51]) ).

cnf(c_17904,plain,
    ( ~ subclass(null_class,X0)
    | not_subclass_element(x,null_class) = regular(x)
    | member(regular(x),X0) ),
    inference(superposition,[status(thm)],[c_17896,c_52]) ).

cnf(c_17905,plain,
    ( not_subclass_element(x,null_class) = regular(x)
    | X0 = null_class
    | member(regular(x),X0) ),
    inference(superposition,[status(thm)],[c_17896,c_16467]) ).

cnf(c_17906,plain,
    ( not_subclass_element(x,null_class) = regular(x)
    | member(regular(x),universal_class) ),
    inference(superposition,[status(thm)],[c_17896,c_16325]) ).

cnf(c_17907,plain,
    ( not_subclass_element(x,null_class) = regular(x)
    | member(regular(x),x) ),
    inference(superposition,[status(thm)],[c_17896,c_16235]) ).

cnf(c_17915,plain,
    member(regular(x),universal_class),
    inference(global_subsumption_just,[status(thm)],[c_17906,c_51,c_3673,c_3778,c_5071]) ).

cnf(c_17918,plain,
    member(regular(x),x),
    inference(global_subsumption_just,[status(thm)],[c_17907,c_51,c_3673]) ).

cnf(c_17930,plain,
    ( ~ member(regular(x),X0)
    | ~ subclass(null_class,complement(X0))
    | not_subclass_element(x,null_class) = regular(x) ),
    inference(superposition,[status(thm)],[c_17904,c_75]) ).

cnf(c_17958,plain,
    ( ~ member(regular(x),X0)
    | not_subclass_element(x,null_class) = regular(x)
    | complement(X0) = null_class ),
    inference(superposition,[status(thm)],[c_17905,c_75]) ).

cnf(c_18915,plain,
    ( not_subclass_element(x,null_class) = regular(x)
    | complement(universal_class) = null_class ),
    inference(superposition,[status(thm)],[c_17915,c_17958]) ).

cnf(c_20523,plain,
    complement(universal_class) = null_class,
    inference(global_subsumption_just,[status(thm)],[c_18915,c_5575,c_6341]) ).

cnf(c_20526,plain,
    ( ~ member(regular(x),universal_class)
    | ~ subclass(null_class,null_class)
    | not_subclass_element(x,null_class) = regular(x) ),
    inference(superposition,[status(thm)],[c_20523,c_17930]) ).

cnf(c_20545,plain,
    ( ~ member(X0,null_class)
    | ~ member(X0,universal_class) ),
    inference(superposition,[status(thm)],[c_20523,c_75]) ).

cnf(c_20546,plain,
    not_subclass_element(x,null_class) = regular(x),
    inference(forward_subsumption_resolution,[status(thm)],[c_20526,c_144,c_17915]) ).

cnf(c_20644,plain,
    singleton(regular(x)) != x,
    inference(demodulation,[status(thm)],[c_50,c_20546]) ).

cnf(c_20721,plain,
    ~ member(X0,null_class),
    inference(global_subsumption_just,[status(thm)],[c_20545,c_5904,c_20545]) ).

cnf(c_20762,plain,
    subclass(x,singleton(not_subclass_element(x,null_class))),
    inference(backward_subsumption_resolution,[status(thm)],[c_17168,c_20721]) ).

cnf(c_20880,plain,
    subclass(x,singleton(regular(x))),
    inference(light_normalisation,[status(thm)],[c_20762,c_20546]) ).

cnf(c_20890,plain,
    ( ~ subclass(singleton(regular(x)),x)
    | singleton(regular(x)) = x ),
    inference(superposition,[status(thm)],[c_20880,c_58]) ).

cnf(c_20893,plain,
    ~ subclass(singleton(regular(x)),x),
    inference(forward_subsumption_resolution,[status(thm)],[c_20890,c_20644]) ).

cnf(c_21079,plain,
    not_subclass_element(singleton(regular(x)),x) = regular(x),
    inference(superposition,[status(thm)],[c_17812,c_20893]) ).

cnf(c_21080,plain,
    ( ~ member(regular(x),x)
    | subclass(singleton(regular(x)),x) ),
    inference(superposition,[status(thm)],[c_21079,c_54]) ).

cnf(c_21082,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_21080,c_20893,c_17918]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET097-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.07/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.34  % Computer : n023.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  : 300
% 0.14/0.34  % DateTime : Thu May  2 20:47:24 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 37.22/6.21  % SZS status Started for theBenchmark.p
% 37.22/6.21  % SZS status Unsatisfiable for theBenchmark.p
% 37.22/6.21  
% 37.22/6.21  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 37.22/6.21  
% 37.22/6.21  ------  iProver source info
% 37.22/6.21  
% 37.22/6.21  git: date: 2024-05-02 19:28:25 +0000
% 37.22/6.21  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 37.22/6.21  git: non_committed_changes: false
% 37.22/6.21  
% 37.22/6.21  ------ Parsing...successful
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  ------ Preprocessing... sup_sim: 2  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 37.22/6.21  
% 37.22/6.21  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 37.22/6.21  
% 37.22/6.21  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 37.22/6.21  ------ Proving...
% 37.22/6.21  ------ Problem Properties 
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  clauses                                 86
% 37.22/6.21  conjectures                             3
% 37.22/6.21  EPR                                     13
% 37.22/6.21  Horn                                    78
% 37.22/6.21  unary                                   34
% 37.22/6.21  binary                                  32
% 37.22/6.21  lits                                    164
% 37.22/6.21  lits eq                                 38
% 37.22/6.21  fd_pure                                 0
% 37.22/6.21  fd_pseudo                               0
% 37.22/6.21  fd_cond                                 3
% 37.22/6.21  fd_pseudo_cond                          3
% 37.22/6.21  AC symbols                              0
% 37.22/6.21  
% 37.22/6.21  ------ Input Options Time Limit: Unbounded
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  ------ 
% 37.22/6.21  Current options:
% 37.22/6.21  ------ 
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  ------ Proving...
% 37.22/6.21  
% 37.22/6.21  
% 37.22/6.21  % SZS status Unsatisfiable for theBenchmark.p
% 37.22/6.21  
% 37.22/6.21  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 37.22/6.21  
% 37.22/6.21  
%------------------------------------------------------------------------------