TSTP Solution File: SET697+4 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET697+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% 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  : 600s
% DateTime : Tue Jul 19 00:53:13 EDT 2022

% Result   : Theorem 0.21s 1.41s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   43 (   9 unt;   0 def)
%            Number of atoms       :  114 (   0 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  117 (  46   ~;  46   |;  16   &)
%                                         (   6 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   87 (  18 sgn  40   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(thI31,conjecture,
    ! [X1,X2,X4] :
      ( ( subset(X1,X4)
        & subset(X2,X4) )
     => ( subset(X1,X2)
      <=> equal_set(intersection(X1,difference(X4,X2)),empty_set) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',thI31) ).

fof(equal_set,axiom,
    ! [X1,X2] :
      ( equal_set(X1,X2)
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',equal_set) ).

fof(subset,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',subset) ).

fof(empty_set,axiom,
    ! [X3] : ~ member(X3,empty_set),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',empty_set) ).

fof(intersection,axiom,
    ! [X3,X1,X2] :
      ( member(X3,intersection(X1,X2))
    <=> ( member(X3,X1)
        & member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',intersection) ).

fof(difference,axiom,
    ! [X2,X1,X4] :
      ( member(X2,difference(X4,X1))
    <=> ( member(X2,X4)
        & ~ member(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',difference) ).

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2,X4] :
        ( ( subset(X1,X4)
          & subset(X2,X4) )
       => ( subset(X1,X2)
        <=> equal_set(intersection(X1,difference(X4,X2)),empty_set) ) ),
    inference(assume_negation,[status(cth)],[thI31]) ).

fof(c_0_7,plain,
    ! [X3,X4,X3,X4] :
      ( ( subset(X3,X4)
        | ~ equal_set(X3,X4) )
      & ( subset(X4,X3)
        | ~ equal_set(X3,X4) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | equal_set(X3,X4) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[equal_set])])])])]) ).

fof(c_0_8,negated_conjecture,
    ( subset(esk1_0,esk3_0)
    & subset(esk2_0,esk3_0)
    & ( ~ subset(esk1_0,esk2_0)
      | ~ equal_set(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set) )
    & ( subset(esk1_0,esk2_0)
      | equal_set(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set) ) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])]) ).

fof(c_0_9,plain,
    ! [X4,X5,X6,X4,X5] :
      ( ( ~ subset(X4,X5)
        | ~ member(X6,X4)
        | member(X6,X5) )
      & ( member(esk4_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ member(esk4_2(X4,X5),X5)
        | subset(X4,X5) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[subset])])])])])])]) ).

cnf(c_0_10,plain,
    ( subset(X1,X2)
    | ~ equal_set(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_11,negated_conjecture,
    ( equal_set(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set)
    | subset(esk1_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_12,plain,
    ! [X4] : ~ member(X4,empty_set),
    inference(variable_rename,[status(thm)],[inference(fof_simplification,[status(thm)],[empty_set])]) ).

cnf(c_0_13,plain,
    ( member(X1,X2)
    | ~ member(X1,X3)
    | ~ subset(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_14,negated_conjecture,
    ( subset(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set)
    | subset(esk1_0,esk2_0) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_15,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

fof(c_0_16,plain,
    ! [X4,X5,X6,X4,X5,X6] :
      ( ( member(X4,X5)
        | ~ member(X4,intersection(X5,X6)) )
      & ( member(X4,X6)
        | ~ member(X4,intersection(X5,X6)) )
      & ( ~ member(X4,X5)
        | ~ member(X4,X6)
        | member(X4,intersection(X5,X6)) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[intersection])])])])]) ).

cnf(c_0_17,negated_conjecture,
    ( subset(esk1_0,esk2_0)
    | ~ member(X1,intersection(esk1_0,difference(esk3_0,esk2_0))) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_13,c_0_14]),c_0_15]) ).

cnf(c_0_18,plain,
    ( member(X1,intersection(X2,X3))
    | ~ member(X1,X3)
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

fof(c_0_19,plain,
    ! [X5,X6,X7,X5,X6,X7] :
      ( ( member(X5,X7)
        | ~ member(X5,difference(X7,X6)) )
      & ( ~ member(X5,X6)
        | ~ member(X5,difference(X7,X6)) )
      & ( ~ member(X5,X7)
        | member(X5,X6)
        | member(X5,difference(X7,X6)) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[difference])])])])])]) ).

cnf(c_0_20,negated_conjecture,
    subset(esk1_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_21,negated_conjecture,
    ( subset(esk1_0,esk2_0)
    | ~ member(X1,difference(esk3_0,esk2_0))
    | ~ member(X1,esk1_0) ),
    inference(spm,[status(thm)],[c_0_17,c_0_18]) ).

cnf(c_0_22,plain,
    ( member(X1,difference(X2,X3))
    | member(X1,X3)
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_23,negated_conjecture,
    ( member(X1,esk3_0)
    | ~ member(X1,esk1_0) ),
    inference(spm,[status(thm)],[c_0_13,c_0_20]) ).

cnf(c_0_24,plain,
    ( subset(X1,X2)
    | member(esk4_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_25,negated_conjecture,
    ( member(X1,esk2_0)
    | ~ member(X1,esk1_0) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_23]),c_0_13]) ).

cnf(c_0_26,plain,
    ( member(X1,X3)
    | ~ member(X1,intersection(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_27,plain,
    ( member(X1,X2)
    | ~ member(X1,intersection(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_28,negated_conjecture,
    ( ~ equal_set(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set)
    | ~ subset(esk1_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_29,plain,
    ( equal_set(X1,X2)
    | ~ subset(X2,X1)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_30,plain,
    subset(empty_set,X1),
    inference(spm,[status(thm)],[c_0_15,c_0_24]) ).

cnf(c_0_31,plain,
    ( subset(X1,X2)
    | ~ member(esk4_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_32,negated_conjecture,
    ( member(esk4_2(esk1_0,X1),esk2_0)
    | subset(esk1_0,X1) ),
    inference(spm,[status(thm)],[c_0_25,c_0_24]) ).

cnf(c_0_33,plain,
    ( ~ member(X1,difference(X2,X3))
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_34,plain,
    ( member(esk4_2(intersection(X1,X2),X3),X2)
    | subset(intersection(X1,X2),X3) ),
    inference(spm,[status(thm)],[c_0_26,c_0_24]) ).

cnf(c_0_35,plain,
    ( member(esk4_2(intersection(X1,X2),X3),X1)
    | subset(intersection(X1,X2),X3) ),
    inference(spm,[status(thm)],[c_0_27,c_0_24]) ).

cnf(c_0_36,negated_conjecture,
    ( ~ subset(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set)
    | ~ subset(esk1_0,esk2_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_29]),c_0_30])]) ).

cnf(c_0_37,negated_conjecture,
    subset(esk1_0,esk2_0),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_38,plain,
    ( subset(intersection(X1,difference(X2,X3)),X4)
    | ~ member(esk4_2(intersection(X1,difference(X2,X3)),X4),X3) ),
    inference(spm,[status(thm)],[c_0_33,c_0_34]) ).

cnf(c_0_39,negated_conjecture,
    ( member(esk4_2(intersection(esk1_0,X1),X2),esk2_0)
    | subset(intersection(esk1_0,X1),X2) ),
    inference(spm,[status(thm)],[c_0_25,c_0_35]) ).

cnf(c_0_40,negated_conjecture,
    ~ subset(intersection(esk1_0,difference(esk3_0,esk2_0)),empty_set),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_36,c_0_37])]) ).

cnf(c_0_41,negated_conjecture,
    subset(intersection(esk1_0,difference(X1,esk2_0)),X2),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_42,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_40,c_0_41])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET697+4 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.12  % Command  : run_ET %s %d
% 0.12/0.33  % Computer : n023.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 : Mon Jul 11 02:49:10 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.21/1.41  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.21/1.41  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.21/1.41  # Preprocessing time       : 0.016 s
% 0.21/1.41  
% 0.21/1.41  # Proof found!
% 0.21/1.41  # SZS status Theorem
% 0.21/1.41  # SZS output start CNFRefutation
% See solution above
% 0.21/1.41  # Proof object total steps             : 43
% 0.21/1.41  # Proof object clause steps            : 30
% 0.21/1.41  # Proof object formula steps           : 13
% 0.21/1.41  # Proof object conjectures             : 18
% 0.21/1.41  # Proof object clause conjectures      : 15
% 0.21/1.41  # Proof object formula conjectures     : 3
% 0.21/1.41  # Proof object initial clauses used    : 14
% 0.21/1.41  # Proof object initial formulas used   : 6
% 0.21/1.41  # Proof object generating inferences   : 14
% 0.21/1.41  # Proof object simplifying inferences  : 9
% 0.21/1.41  # Training examples: 0 positive, 0 negative
% 0.21/1.41  # Parsed axioms                        : 12
% 0.21/1.41  # Removed by relevancy pruning/SinE    : 6
% 0.21/1.41  # Initial clauses                      : 17
% 0.21/1.41  # Removed in clause preprocessing      : 0
% 0.21/1.41  # Initial clauses in saturation        : 17
% 0.21/1.41  # Processed clauses                    : 163
% 0.21/1.41  # ...of these trivial                  : 0
% 0.21/1.41  # ...subsumed                          : 22
% 0.21/1.41  # ...remaining for further processing  : 141
% 0.21/1.41  # Other redundant clauses eliminated   : 0
% 0.21/1.41  # Clauses deleted for lack of memory   : 0
% 0.21/1.41  # Backward-subsumed                    : 1
% 0.21/1.41  # Backward-rewritten                   : 14
% 0.21/1.41  # Generated clauses                    : 581
% 0.21/1.41  # ...of the previous two non-trivial   : 559
% 0.21/1.41  # Contextual simplify-reflections      : 14
% 0.21/1.41  # Paramodulations                      : 581
% 0.21/1.41  # Factorizations                       : 0
% 0.21/1.41  # Equation resolutions                 : 0
% 0.21/1.41  # Current number of processed clauses  : 126
% 0.21/1.41  #    Positive orientable unit clauses  : 58
% 0.21/1.41  #    Positive unorientable unit clauses: 0
% 0.21/1.41  #    Negative unit clauses             : 2
% 0.21/1.41  #    Non-unit-clauses                  : 66
% 0.21/1.41  # Current number of unprocessed clauses: 386
% 0.21/1.41  # ...number of literals in the above   : 787
% 0.21/1.41  # Current number of archived formulas  : 0
% 0.21/1.41  # Current number of archived clauses   : 15
% 0.21/1.41  # Clause-clause subsumption calls (NU) : 421
% 0.21/1.41  # Rec. Clause-clause subsumption calls : 400
% 0.21/1.41  # Non-unit clause-clause subsumptions  : 35
% 0.21/1.41  # Unit Clause-clause subsumption calls : 220
% 0.21/1.41  # Rewrite failures with RHS unbound    : 0
% 0.21/1.41  # BW rewrite match attempts            : 106
% 0.21/1.41  # BW rewrite match successes           : 3
% 0.21/1.41  # Condensation attempts                : 0
% 0.21/1.41  # Condensation successes               : 0
% 0.21/1.41  # Termbank termtop insertions          : 9336
% 0.21/1.41  
% 0.21/1.41  # -------------------------------------------------
% 0.21/1.41  # User time                : 0.033 s
% 0.21/1.41  # System time              : 0.001 s
% 0.21/1.41  # Total time               : 0.034 s
% 0.21/1.41  # Maximum resident set size: 3608 pages
% 0.21/23.40  eprover: CPU time limit exceeded, terminating
% 0.21/23.41  eprover: CPU time limit exceeded, terminating
% 0.21/23.42  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.42  eprover: No such file or directory
% 0.21/23.42  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.42  eprover: No such file or directory
% 0.21/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.43  eprover: No such file or directory
% 0.21/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.43  eprover: No such file or directory
% 0.21/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.43  eprover: No such file or directory
% 0.21/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.43  eprover: No such file or directory
% 0.21/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.43  eprover: No such file or directory
% 0.21/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.44  eprover: No such file or directory
% 0.21/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.44  eprover: No such file or directory
% 0.21/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.44  eprover: No such file or directory
% 0.21/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.44  eprover: No such file or directory
% 0.21/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.45  eprover: No such file or directory
% 0.21/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.45  eprover: No such file or directory
% 0.21/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.45  eprover: No such file or directory
% 0.21/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.45  eprover: No such file or directory
% 0.21/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.45  eprover: No such file or directory
% 0.21/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.46  eprover: No such file or directory
% 0.21/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.46  eprover: No such file or directory
% 0.21/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.21/23.46  eprover: No such file or directory
% 0.21/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.47  eprover: No such file or directory
% 0.21/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.47  eprover: No such file or directory
% 0.21/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.21/23.48  eprover: No such file or directory
%------------------------------------------------------------------------------