TSTP Solution File: SET497-6 by iProver---3.8

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%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET497-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n027.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 : Thu Aug 31 15:08:06 EDT 2023

% Result   : Unsatisfiable 32.30s 5.28s
% Output   : CNFRefutation 32.30s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   37 (  13 unt;  10 nHn;  22 RR)
%            Number of literals    :   68 (  23 equ;  24 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   3 con; 0-3 aty)
%            Number of variables   :   55 (  10 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_50,negated_conjecture,
    member(z,z),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_russell_class1_2) ).

cnf(c_72,plain,
    ( ~ member(X0,X1)
    | ~ subclass(X1,X2)
    | member(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',subclass_members) ).

cnf(c_73,plain,
    ( member(not_subclass_element(X0,X1),X0)
    | subclass(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',not_subclass_members1) ).

cnf(c_74,plain,
    ( ~ member(not_subclass_element(X0,X1),X1)
    | subclass(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',not_subclass_members2) ).

cnf(c_75,plain,
    subclass(X0,universal_class),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',class_elements_are_sets) ).

cnf(c_78,plain,
    ( ~ subclass(X0,X1)
    | ~ subclass(X1,X0)
    | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',subclass_implies_equal) ).

cnf(c_79,plain,
    ( ~ member(X0,unordered_pair(X1,X2))
    | X0 = X1
    | X0 = X2 ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',unordered_pair_member) ).

cnf(c_80,plain,
    ( ~ member(X0,universal_class)
    | member(X0,unordered_pair(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',unordered_pair2) ).

cnf(c_83,plain,
    unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',singleton_set) ).

cnf(c_92,plain,
    ( ~ member(X0,intersection(X1,X2))
    | member(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',intersection1) ).

cnf(c_94,plain,
    ( ~ member(X0,X1)
    | ~ member(X0,X2)
    | member(X0,intersection(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',intersection3) ).

cnf(c_99,plain,
    intersection(X0,cross_product(X1,X2)) = restrict(X0,X1,X2),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',restriction1) ).

cnf(c_101,plain,
    ( restrict(X0,singleton(X1),universal_class) != null_class
    | ~ member(X1,domain_of(X0)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',domain1) ).

cnf(c_137,plain,
    ( X0 = null_class
    | member(regular(X0),X0) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',regularity1) ).

cnf(c_138,plain,
    ( intersection(X0,regular(X0)) = null_class
    | X0 = null_class ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',regularity2) ).

cnf(c_4171,plain,
    ( ~ member(X0,universal_class)
    | member(X0,singleton(X0)) ),
    inference(superposition,[status(thm)],[c_83,c_80]) ).

cnf(c_4192,plain,
    ( member(not_subclass_element(intersection(X0,X1),X2),X0)
    | subclass(intersection(X0,X1),X2) ),
    inference(superposition,[status(thm)],[c_73,c_92]) ).

cnf(c_4380,plain,
    ( ~ subclass(z,X0)
    | member(z,X0) ),
    inference(superposition,[status(thm)],[c_50,c_72]) ).

cnf(c_4462,plain,
    member(z,universal_class),
    inference(superposition,[status(thm)],[c_75,c_4380]) ).

cnf(c_5850,plain,
    ( ~ member(X0,singleton(X1))
    | X0 = X1 ),
    inference(superposition,[status(thm)],[c_83,c_79]) ).

cnf(c_6169,plain,
    ( regular(singleton(X0)) = X0
    | singleton(X0) = null_class ),
    inference(superposition,[status(thm)],[c_137,c_5850]) ).

cnf(c_8239,plain,
    ( intersection(singleton(X0),X0) = null_class
    | singleton(X0) = null_class ),
    inference(superposition,[status(thm)],[c_6169,c_138]) ).

cnf(c_8240,plain,
    ( singleton(X0) = null_class
    | member(X0,singleton(X0)) ),
    inference(superposition,[status(thm)],[c_6169,c_137]) ).

cnf(c_8634,plain,
    subclass(intersection(X0,X1),X0),
    inference(superposition,[status(thm)],[c_4192,c_74]) ).

cnf(c_8909,plain,
    subclass(restrict(X0,X1,X2),X0),
    inference(superposition,[status(thm)],[c_99,c_8634]) ).

cnf(c_8911,plain,
    ( X0 = null_class
    | subclass(null_class,X0) ),
    inference(superposition,[status(thm)],[c_138,c_8634]) ).

cnf(c_8965,plain,
    ( ~ subclass(X0,null_class)
    | X0 = null_class ),
    inference(superposition,[status(thm)],[c_8911,c_78]) ).

cnf(c_9076,plain,
    restrict(null_class,X0,X1) = null_class,
    inference(superposition,[status(thm)],[c_8909,c_8965]) ).

cnf(c_9317,plain,
    ~ member(X0,domain_of(null_class)),
    inference(superposition,[status(thm)],[c_9076,c_101]) ).

cnf(c_9376,plain,
    domain_of(null_class) = null_class,
    inference(superposition,[status(thm)],[c_137,c_9317]) ).

cnf(c_9392,plain,
    ~ member(X0,null_class),
    inference(demodulation,[status(thm)],[c_9317,c_9376]) ).

cnf(c_20289,plain,
    ( ~ member(X0,singleton(X1))
    | ~ member(X0,X1)
    | singleton(X1) = null_class
    | member(X0,null_class) ),
    inference(superposition,[status(thm)],[c_8239,c_94]) ).

cnf(c_20316,plain,
    ( ~ member(X0,singleton(X1))
    | ~ member(X0,X1)
    | singleton(X1) = null_class ),
    inference(forward_subsumption_resolution,[status(thm)],[c_20289,c_9392]) ).

cnf(c_143362,plain,
    ( ~ member(X0,X0)
    | singleton(X0) = null_class ),
    inference(superposition,[status(thm)],[c_8240,c_20316]) ).

cnf(c_144448,plain,
    singleton(z) = null_class,
    inference(superposition,[status(thm)],[c_50,c_143362]) ).

cnf(c_145199,plain,
    ( ~ member(z,universal_class)
    | member(z,null_class) ),
    inference(superposition,[status(thm)],[c_144448,c_4171]) ).

cnf(c_145246,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_145199,c_9392,c_4462]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SET497-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.00/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n027.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Sat Aug 26 08:47:50 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.21/0.48  Running first-order theorem proving
% 0.21/0.48  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 32.30/5.28  % SZS status Started for theBenchmark.p
% 32.30/5.28  % SZS status Unsatisfiable for theBenchmark.p
% 32.30/5.28  
% 32.30/5.28  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 32.30/5.28  
% 32.30/5.28  ------  iProver source info
% 32.30/5.28  
% 32.30/5.28  git: date: 2023-05-31 18:12:56 +0000
% 32.30/5.28  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 32.30/5.28  git: non_committed_changes: false
% 32.30/5.28  git: last_make_outside_of_git: false
% 32.30/5.28  
% 32.30/5.28  ------ Parsing...successful
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  ------ Preprocessing... sup_sim: 2  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe:4:0s pe_e  sup_sim: 0  sf_s  rm: 3 0s  sf_e  pe_s  pe_e 
% 32.30/5.28  
% 32.30/5.28  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 32.30/5.28  
% 32.30/5.28  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 32.30/5.28  ------ Proving...
% 32.30/5.28  ------ Problem Properties 
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  clauses                                 102
% 32.30/5.28  conjectures                             2
% 32.30/5.28  EPR                                     13
% 32.30/5.28  Horn                                    94
% 32.30/5.28  unary                                   41
% 32.30/5.28  binary                                  40
% 32.30/5.28  lits                                    190
% 32.30/5.28  lits eq                                 44
% 32.30/5.28  fd_pure                                 0
% 32.30/5.28  fd_pseudo                               0
% 32.30/5.28  fd_cond                                 3
% 32.30/5.28  fd_pseudo_cond                          7
% 32.30/5.28  AC symbols                              0
% 32.30/5.28  
% 32.30/5.28  ------ Schedule dynamic 5 is on 
% 32.30/5.28  
% 32.30/5.28  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  ------ 
% 32.30/5.28  Current options:
% 32.30/5.28  ------ 
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  ------ Proving...
% 32.30/5.28  
% 32.30/5.28  
% 32.30/5.28  % SZS status Unsatisfiable for theBenchmark.p
% 32.30/5.28  
% 32.30/5.28  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 32.30/5.28  
% 32.30/5.28  
%------------------------------------------------------------------------------