TSTP Solution File: SET120-7 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET120-7 : TPTP v8.1.2. Bugfixed v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n020.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 15:06:40 EDT 2023

% Result   : Unsatisfiable 18.34s 3.21s
% Output   : CNFRefutation 18.34s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   14 (   6 unt;   4 nHn;   8 RR)
%            Number of literals    :   22 (  10 equ;   9 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-2 aty)
%            Number of variables   :   24 (  13 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_51,plain,
    ( ~ member(ordered_pair(X0,X1),cross_product(X2,X3))
    | member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_cartesian_product) ).

cnf(c_69,plain,
    ( unordered_pair(X0,X1) = singleton(X1)
    | member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_equals_singleton2) ).

cnf(c_75,plain,
    ( unordered_pair(X0,X1) != null_class
    | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_unordered_pair_axiom3) ).

cnf(c_118,plain,
    ( second(X0) = X0
    | member(ordered_pair(first(X0),second(X0)),cross_product(universal_class,universal_class)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unique_1st_and_2nd_in_pair_of_non_sets2) ).

cnf(c_120,plain,
    ( ordered_pair(first(X0),second(X0)) = X0
    | second(X0) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unique_1st_and_2nd_in_pair_of_non_sets4) ).

cnf(c_123,negated_conjecture,
    ~ member(x,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_corollary_2_to_OP_determines_components1_1) ).

cnf(c_124,negated_conjecture,
    second(ordered_pair(x,y)) != ordered_pair(x,y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_corollary_2_to_OP_determines_components1_2) ).

cnf(c_6129,plain,
    ( ~ member(ordered_pair(x,X0),cross_product(X1,X2))
    | member(x,universal_class) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_29834,plain,
    unordered_pair(x,X0) = singleton(X0),
    inference(superposition,[status(thm)],[c_69,c_123]) ).

cnf(c_31388,plain,
    ( second(X0) = X0
    | member(X0,cross_product(universal_class,universal_class)) ),
    inference(superposition,[status(thm)],[c_120,c_118]) ).

cnf(c_31717,plain,
    ( singleton(X0) != null_class
    | ~ member(ordered_pair(x,X0),cross_product(X1,X2)) ),
    inference(superposition,[status(thm)],[c_29834,c_75]) ).

cnf(c_31886,plain,
    ~ member(ordered_pair(x,X0),cross_product(X1,X2)),
    inference(global_subsumption_just,[status(thm)],[c_31717,c_123,c_6129]) ).

cnf(c_58946,plain,
    second(ordered_pair(x,X0)) = ordered_pair(x,X0),
    inference(superposition,[status(thm)],[c_31388,c_31886]) ).

cnf(c_67490,plain,
    $false,
    inference(superposition,[status(thm)],[c_58946,c_124]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET120-7 : TPTP v8.1.2. Bugfixed v7.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n020.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  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 16:05:00 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.20/0.46  Running first-order theorem proving
% 0.20/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 18.34/3.21  % SZS status Started for theBenchmark.p
% 18.34/3.21  % SZS status Unsatisfiable for theBenchmark.p
% 18.34/3.21  
% 18.34/3.21  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 18.34/3.21  
% 18.34/3.21  ------  iProver source info
% 18.34/3.21  
% 18.34/3.21  git: date: 2023-05-31 18:12:56 +0000
% 18.34/3.21  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 18.34/3.21  git: non_committed_changes: false
% 18.34/3.21  git: last_make_outside_of_git: false
% 18.34/3.21  
% 18.34/3.21  ------ Parsing...successful
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  ------ 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 
% 18.34/3.21  
% 18.34/3.21  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 18.34/3.21  
% 18.34/3.21  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 18.34/3.21  ------ Proving...
% 18.34/3.21  ------ Problem Properties 
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  clauses                                 153
% 18.34/3.21  conjectures                             2
% 18.34/3.21  EPR                                     18
% 18.34/3.21  Horn                                    122
% 18.34/3.21  unary                                   47
% 18.34/3.21  binary                                  66
% 18.34/3.21  lits                                    306
% 18.34/3.21  lits eq                                 100
% 18.34/3.21  fd_pure                                 0
% 18.34/3.21  fd_pseudo                               0
% 18.34/3.21  fd_cond                                 5
% 18.34/3.21  fd_pseudo_cond                          16
% 18.34/3.21  AC symbols                              0
% 18.34/3.21  
% 18.34/3.21  ------ Input Options Time Limit: Unbounded
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  ------ 
% 18.34/3.21  Current options:
% 18.34/3.21  ------ 
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  ------ Proving...
% 18.34/3.21  
% 18.34/3.21  
% 18.34/3.21  % SZS status Unsatisfiable for theBenchmark.p
% 18.34/3.21  
% 18.34/3.21  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 18.34/3.21  
% 18.34/3.21  
%------------------------------------------------------------------------------