TSTP Solution File: SEU156+3 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU156+3 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n022.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 09:17:15 EDT 2022

% Result   : Theorem 0.22s 1.40s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   61 (  17 unt;   0 def)
%            Number of atoms       :  126 ( 125 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  101 (  36   ~;  56   |;   5   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   86 (  11 sgn  38   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(t33_zfmisc_1,conjecture,
    ! [X1,X2,X3,X4] :
      ( ordered_pair(X1,X2) = ordered_pair(X3,X4)
     => ( X1 = X3
        & X2 = X4 ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t33_zfmisc_1) ).

fof(d5_tarski,axiom,
    ! [X1,X2] : ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d5_tarski) ).

fof(t69_enumset1,axiom,
    ! [X1] : unordered_pair(X1,X1) = singleton(X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t69_enumset1) ).

fof(commutativity_k2_tarski,axiom,
    ! [X1,X2] : unordered_pair(X1,X2) = unordered_pair(X2,X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',commutativity_k2_tarski) ).

fof(t10_zfmisc_1,axiom,
    ! [X1,X2,X3,X4] :
      ~ ( unordered_pair(X1,X2) = unordered_pair(X3,X4)
        & X1 != X3
        & X1 != X4 ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t10_zfmisc_1) ).

fof(t8_zfmisc_1,axiom,
    ! [X1,X2,X3] :
      ( singleton(X1) = unordered_pair(X2,X3)
     => X1 = X2 ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t8_zfmisc_1) ).

fof(t9_zfmisc_1,axiom,
    ! [X1,X2,X3] :
      ( singleton(X1) = unordered_pair(X2,X3)
     => X2 = X3 ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t9_zfmisc_1) ).

fof(c_0_7,negated_conjecture,
    ~ ! [X1,X2,X3,X4] :
        ( ordered_pair(X1,X2) = ordered_pair(X3,X4)
       => ( X1 = X3
          & X2 = X4 ) ),
    inference(assume_negation,[status(cth)],[t33_zfmisc_1]) ).

fof(c_0_8,plain,
    ! [X3,X4] : ordered_pair(X3,X4) = unordered_pair(unordered_pair(X3,X4),singleton(X3)),
    inference(variable_rename,[status(thm)],[d5_tarski]) ).

fof(c_0_9,plain,
    ! [X2] : unordered_pair(X2,X2) = singleton(X2),
    inference(variable_rename,[status(thm)],[t69_enumset1]) ).

fof(c_0_10,negated_conjecture,
    ( ordered_pair(esk1_0,esk2_0) = ordered_pair(esk3_0,esk4_0)
    & ( esk1_0 != esk3_0
      | esk2_0 != esk4_0 ) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_7])])]) ).

cnf(c_0_11,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_12,plain,
    unordered_pair(X1,X1) = singleton(X1),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_13,negated_conjecture,
    ordered_pair(esk1_0,esk2_0) = ordered_pair(esk3_0,esk4_0),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_14,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),unordered_pair(X1,X1)),
    inference(rw,[status(thm)],[c_0_11,c_0_12]) ).

fof(c_0_15,plain,
    ! [X3,X4] : unordered_pair(X3,X4) = unordered_pair(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_k2_tarski]) ).

fof(c_0_16,plain,
    ! [X5,X6,X7,X8] :
      ( unordered_pair(X5,X6) != unordered_pair(X7,X8)
      | X5 = X7
      | X5 = X8 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t10_zfmisc_1])]) ).

cnf(c_0_17,negated_conjecture,
    unordered_pair(unordered_pair(esk3_0,esk4_0),unordered_pair(esk3_0,esk3_0)) = unordered_pair(unordered_pair(esk1_0,esk2_0),unordered_pair(esk1_0,esk1_0)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_13,c_0_14]),c_0_14]) ).

cnf(c_0_18,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

fof(c_0_19,plain,
    ! [X4,X5,X6] :
      ( singleton(X4) != unordered_pair(X5,X6)
      | X4 = X5 ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t8_zfmisc_1])])])]) ).

cnf(c_0_20,plain,
    ( X1 = X2
    | X1 = X3
    | unordered_pair(X1,X4) != unordered_pair(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_21,negated_conjecture,
    unordered_pair(unordered_pair(esk2_0,esk1_0),unordered_pair(esk1_0,esk1_0)) = unordered_pair(unordered_pair(esk4_0,esk3_0),unordered_pair(esk3_0,esk3_0)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_17,c_0_18]),c_0_18]) ).

cnf(c_0_22,plain,
    ( X1 = X2
    | singleton(X1) != unordered_pair(X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_23,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = X1
    | unordered_pair(esk2_0,esk1_0) = X2
    | unordered_pair(unordered_pair(esk4_0,esk3_0),unordered_pair(esk3_0,esk3_0)) != unordered_pair(X1,X2) ),
    inference(spm,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_24,plain,
    ( X1 = X2
    | unordered_pair(X1,X1) != unordered_pair(X2,X3) ),
    inference(rw,[status(thm)],[c_0_22,c_0_12]) ).

cnf(c_0_25,negated_conjecture,
    ( unordered_pair(esk3_0,esk3_0) = unordered_pair(esk2_0,esk1_0)
    | unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk3_0) ),
    inference(er,[status(thm)],[c_0_23]) ).

cnf(c_0_26,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk3_0)
    | esk3_0 = X1
    | unordered_pair(esk2_0,esk1_0) != unordered_pair(X1,X2) ),
    inference(spm,[status(thm)],[c_0_24,c_0_25]) ).

cnf(c_0_27,plain,
    ( X1 = X2
    | X1 = X3
    | unordered_pair(X4,X1) != unordered_pair(X2,X3) ),
    inference(spm,[status(thm)],[c_0_20,c_0_18]) ).

cnf(c_0_28,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk3_0)
    | esk3_0 = esk2_0 ),
    inference(er,[status(thm)],[c_0_26]) ).

cnf(c_0_29,negated_conjecture,
    ( esk3_0 = esk2_0
    | X1 = esk1_0
    | X1 = esk2_0
    | unordered_pair(X2,X1) != unordered_pair(esk4_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_27,c_0_28]) ).

cnf(c_0_30,plain,
    ( X1 = X2
    | unordered_pair(X1,X1) != unordered_pair(X3,X2) ),
    inference(spm,[status(thm)],[c_0_24,c_0_18]) ).

cnf(c_0_31,negated_conjecture,
    ( esk2_0 != esk4_0
    | esk1_0 != esk3_0 ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_32,negated_conjecture,
    ( esk1_0 = esk3_0
    | esk3_0 = esk2_0 ),
    inference(er,[status(thm)],[c_0_29]) ).

cnf(c_0_33,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk3_0)
    | esk3_0 = X1
    | unordered_pair(esk2_0,esk1_0) != unordered_pair(X2,X1) ),
    inference(spm,[status(thm)],[c_0_30,c_0_25]) ).

cnf(c_0_34,negated_conjecture,
    ( esk3_0 = esk2_0
    | esk2_0 = X1
    | esk2_0 = X2
    | unordered_pair(esk4_0,esk3_0) != unordered_pair(X1,X2) ),
    inference(spm,[status(thm)],[c_0_20,c_0_28]) ).

cnf(c_0_35,negated_conjecture,
    ( esk3_0 = esk2_0
    | esk2_0 != esk4_0 ),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_36,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk3_0)
    | esk1_0 = esk3_0 ),
    inference(er,[status(thm)],[c_0_33]) ).

cnf(c_0_37,negated_conjecture,
    esk3_0 = esk2_0,
    inference(csr,[status(thm)],[inference(er,[status(thm)],[c_0_34]),c_0_35]) ).

cnf(c_0_38,negated_conjecture,
    ( X1 = unordered_pair(esk2_0,esk1_0)
    | X1 = unordered_pair(esk1_0,esk1_0)
    | unordered_pair(X1,X2) != unordered_pair(unordered_pair(esk4_0,esk3_0),unordered_pair(esk3_0,esk3_0)) ),
    inference(spm,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_39,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk2_0)
    | esk1_0 = esk2_0 ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_36,c_0_37]),c_0_37]) ).

cnf(c_0_40,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk2_0)
    | unordered_pair(esk2_0,esk1_0) = unordered_pair(esk2_0,esk2_0)
    | esk2_0 != esk4_0 ),
    inference(spm,[status(thm)],[c_0_25,c_0_35]) ).

fof(c_0_41,plain,
    ! [X4,X5,X6] :
      ( singleton(X4) != unordered_pair(X5,X6)
      | X5 = X6 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t9_zfmisc_1])]) ).

cnf(c_0_42,negated_conjecture,
    ( unordered_pair(esk1_0,esk1_0) = X1
    | unordered_pair(esk1_0,esk1_0) = X2
    | unordered_pair(unordered_pair(esk4_0,esk3_0),unordered_pair(esk3_0,esk3_0)) != unordered_pair(X2,X1) ),
    inference(spm,[status(thm)],[c_0_27,c_0_21]) ).

cnf(c_0_43,negated_conjecture,
    ( unordered_pair(esk1_0,esk1_0) = unordered_pair(esk4_0,esk3_0)
    | unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk3_0) ),
    inference(er,[status(thm)],[c_0_38]) ).

cnf(c_0_44,negated_conjecture,
    ( esk1_0 = esk2_0
    | X1 = esk2_0
    | X1 = esk1_0
    | unordered_pair(X1,X2) != unordered_pair(esk4_0,esk2_0) ),
    inference(spm,[status(thm)],[c_0_20,c_0_39]) ).

cnf(c_0_45,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk2_0)
    | unordered_pair(esk2_0,esk2_0) = unordered_pair(esk4_0,esk3_0)
    | esk2_0 != esk4_0 ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_40]),c_0_31]) ).

cnf(c_0_46,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk2_0)
    | unordered_pair(esk2_0,esk2_0) != unordered_pair(esk4_0,esk2_0) ),
    inference(csr,[status(thm)],[inference(ef,[status(thm)],[c_0_40]),c_0_24]) ).

cnf(c_0_47,plain,
    ( X1 = X2
    | singleton(X3) != unordered_pair(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_41]) ).

cnf(c_0_48,negated_conjecture,
    ( unordered_pair(esk1_0,esk1_0) = unordered_pair(esk4_0,esk3_0)
    | unordered_pair(esk1_0,esk1_0) = unordered_pair(esk3_0,esk3_0) ),
    inference(er,[status(thm)],[c_0_42]) ).

cnf(c_0_49,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk2_0)
    | unordered_pair(esk1_0,esk1_0) = unordered_pair(esk4_0,esk2_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_43,c_0_37]),c_0_37]) ).

cnf(c_0_50,negated_conjecture,
    ( esk1_0 = esk4_0
    | esk2_0 = esk4_0
    | esk1_0 = esk2_0 ),
    inference(er,[status(thm)],[c_0_44]) ).

cnf(c_0_51,negated_conjecture,
    ( unordered_pair(esk2_0,esk1_0) = unordered_pair(esk4_0,esk2_0)
    | esk2_0 != esk4_0 ),
    inference(csr,[status(thm)],[inference(rw,[status(thm)],[c_0_45,c_0_37]),c_0_46]) ).

cnf(c_0_52,plain,
    ( X1 = X2
    | unordered_pair(X1,X2) != unordered_pair(X3,X3) ),
    inference(rw,[status(thm)],[c_0_47,c_0_12]) ).

cnf(c_0_53,negated_conjecture,
    ( unordered_pair(esk1_0,esk1_0) = unordered_pair(esk2_0,esk2_0)
    | unordered_pair(esk1_0,esk1_0) = unordered_pair(esk4_0,esk2_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_48,c_0_37]),c_0_37]),c_0_37]) ).

cnf(c_0_54,negated_conjecture,
    ( esk2_0 = esk4_0
    | esk1_0 = esk4_0 ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_49,c_0_50]),c_0_24]) ).

cnf(c_0_55,negated_conjecture,
    ( X1 = esk1_0
    | unordered_pair(X1,X1) != unordered_pair(esk4_0,esk2_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_30,c_0_51]),c_0_52]) ).

cnf(c_0_56,negated_conjecture,
    esk2_0 = esk4_0,
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_54]),c_0_30]),c_0_30]) ).

cnf(c_0_57,negated_conjecture,
    ( esk1_0 != esk2_0
    | esk2_0 != esk4_0 ),
    inference(rw,[status(thm)],[c_0_31,c_0_37]) ).

cnf(c_0_58,negated_conjecture,
    ( X1 = esk1_0
    | unordered_pair(X1,X1) != unordered_pair(esk4_0,esk4_0) ),
    inference(rw,[status(thm)],[c_0_55,c_0_56]) ).

cnf(c_0_59,negated_conjecture,
    esk1_0 != esk4_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_57,c_0_56]),c_0_56])]) ).

cnf(c_0_60,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(er,[status(thm)],[c_0_58]),c_0_59]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SEU156+3 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % Command  : run_ET %s %d
% 0.12/0.33  % Computer : n022.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jun 19 01:46:47 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.22/1.40  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.22/1.40  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.22/1.40  # Preprocessing time       : 0.014 s
% 0.22/1.40  
% 0.22/1.40  # Proof found!
% 0.22/1.40  # SZS status Theorem
% 0.22/1.40  # SZS output start CNFRefutation
% See solution above
% 0.22/1.40  # Proof object total steps             : 61
% 0.22/1.40  # Proof object clause steps            : 46
% 0.22/1.40  # Proof object formula steps           : 15
% 0.22/1.40  # Proof object conjectures             : 38
% 0.22/1.40  # Proof object clause conjectures      : 35
% 0.22/1.40  # Proof object formula conjectures     : 3
% 0.22/1.40  # Proof object initial clauses used    : 8
% 0.22/1.40  # Proof object initial formulas used   : 7
% 0.22/1.40  # Proof object generating inferences   : 26
% 0.22/1.40  # Proof object simplifying inferences  : 29
% 0.22/1.40  # Training examples: 0 positive, 0 negative
% 0.22/1.40  # Parsed axioms                        : 12
% 0.22/1.40  # Removed by relevancy pruning/SinE    : 2
% 0.22/1.40  # Initial clauses                      : 11
% 0.22/1.40  # Removed in clause preprocessing      : 2
% 0.22/1.40  # Initial clauses in saturation        : 9
% 0.22/1.40  # Processed clauses                    : 1172
% 0.22/1.40  # ...of these trivial                  : 17
% 0.22/1.40  # ...subsumed                          : 954
% 0.22/1.40  # ...remaining for further processing  : 201
% 0.22/1.40  # Other redundant clauses eliminated   : 0
% 0.22/1.40  # Clauses deleted for lack of memory   : 0
% 0.22/1.40  # Backward-subsumed                    : 19
% 0.22/1.40  # Backward-rewritten                   : 162
% 0.22/1.40  # Generated clauses                    : 2940
% 0.22/1.40  # ...of the previous two non-trivial   : 2958
% 0.22/1.40  # Contextual simplify-reflections      : 421
% 0.22/1.40  # Paramodulations                      : 2916
% 0.22/1.40  # Factorizations                       : 5
% 0.22/1.40  # Equation resolutions                 : 19
% 0.22/1.40  # Current number of processed clauses  : 20
% 0.22/1.40  #    Positive orientable unit clauses  : 5
% 0.22/1.40  #    Positive unorientable unit clauses: 1
% 0.22/1.40  #    Negative unit clauses             : 8
% 0.22/1.40  #    Non-unit-clauses                  : 6
% 0.22/1.40  # Current number of unprocessed clauses: 99
% 0.22/1.40  # ...number of literals in the above   : 186
% 0.22/1.40  # Current number of archived formulas  : 0
% 0.22/1.40  # Current number of archived clauses   : 183
% 0.22/1.40  # Clause-clause subsumption calls (NU) : 13208
% 0.22/1.40  # Rec. Clause-clause subsumption calls : 11636
% 0.22/1.40  # Non-unit clause-clause subsumptions  : 1173
% 0.22/1.40  # Unit Clause-clause subsumption calls : 28
% 0.22/1.40  # Rewrite failures with RHS unbound    : 0
% 0.22/1.40  # BW rewrite match attempts            : 15
% 0.22/1.40  # BW rewrite match successes           : 15
% 0.22/1.40  # Condensation attempts                : 0
% 0.22/1.40  # Condensation successes               : 0
% 0.22/1.40  # Termbank termtop insertions          : 51792
% 0.22/1.40  
% 0.22/1.40  # -------------------------------------------------
% 0.22/1.40  # User time                : 0.104 s
% 0.22/1.40  # System time              : 0.002 s
% 0.22/1.40  # Total time               : 0.106 s
% 0.22/1.40  # Maximum resident set size: 4096 pages
%------------------------------------------------------------------------------