TSTP Solution File: SET012+4 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET012+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n010.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 00:47:37 EDT 2022

% Result   : Theorem 0.24s 2.42s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   31 (   5 unt;   0 def)
%            Number of atoms       :   81 (   0 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   78 (  28   ~;  35   |;   9   &)
%                                         (   3 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   71 (  10 sgn  27   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
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(thI23,conjecture,
    ! [X1,X4] :
      ( subset(X1,X4)
     => equal_set(difference(X4,difference(X4,X1)),X1) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',thI23) ).

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(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(c_0_4,plain,
    ! [X4,X5,X6,X4,X5] :
      ( ( ~ subset(X4,X5)
        | ~ member(X6,X4)
        | member(X6,X5) )
      & ( member(esk3_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ member(esk3_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])])])])])])]) ).

fof(c_0_5,negated_conjecture,
    ~ ! [X1,X4] :
        ( subset(X1,X4)
       => equal_set(difference(X4,difference(X4,X1)),X1) ),
    inference(assume_negation,[status(cth)],[thI23]) ).

cnf(c_0_6,plain,
    ( member(X1,X2)
    | ~ member(X1,X3)
    | ~ subset(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_7,plain,
    ( subset(X1,X2)
    | member(esk3_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

fof(c_0_8,negated_conjecture,
    ( subset(esk1_0,esk2_0)
    & ~ equal_set(difference(esk2_0,difference(esk2_0,esk1_0)),esk1_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_5])])]) ).

fof(c_0_9,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_10,plain,
    ( member(esk3_2(X1,X2),X3)
    | subset(X1,X2)
    | ~ subset(X1,X3) ),
    inference(spm,[status(thm)],[c_0_6,c_0_7]) ).

cnf(c_0_11,negated_conjecture,
    subset(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_12,plain,
    ( member(X1,difference(X2,X3))
    | member(X1,X3)
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_13,negated_conjecture,
    ( member(esk3_2(esk1_0,X1),esk2_0)
    | subset(esk1_0,X1) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_14,plain,
    ( subset(X1,X2)
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_15,negated_conjecture,
    ( member(esk3_2(esk1_0,X1),difference(esk2_0,X2))
    | member(esk3_2(esk1_0,X1),X2)
    | subset(esk1_0,X1) ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_16,plain,
    ( member(X1,X2)
    | ~ member(X1,difference(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_17,plain,
    ( ~ member(X1,difference(X2,X3))
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_18,negated_conjecture,
    ( member(esk3_2(esk1_0,difference(esk2_0,X1)),X1)
    | subset(esk1_0,difference(esk2_0,X1)) ),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_19,plain,
    ( member(esk3_2(difference(X1,X2),X3),X1)
    | subset(difference(X1,X2),X3) ),
    inference(spm,[status(thm)],[c_0_16,c_0_7]) ).

fof(c_0_20,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])])])])]) ).

cnf(c_0_21,negated_conjecture,
    ( subset(esk1_0,difference(esk2_0,difference(X1,X2)))
    | ~ member(esk3_2(esk1_0,difference(esk2_0,difference(X1,X2))),X2) ),
    inference(spm,[status(thm)],[c_0_17,c_0_18]) ).

cnf(c_0_22,plain,
    ( subset(difference(X1,X2),X3)
    | ~ member(esk3_2(difference(X1,X2),X3),X2) ),
    inference(spm,[status(thm)],[c_0_17,c_0_7]) ).

cnf(c_0_23,plain,
    ( member(esk3_2(difference(X1,X2),X3),difference(X1,X4))
    | member(esk3_2(difference(X1,X2),X3),X4)
    | subset(difference(X1,X2),X3) ),
    inference(spm,[status(thm)],[c_0_12,c_0_19]) ).

cnf(c_0_24,plain,
    ( equal_set(X1,X2)
    | ~ subset(X2,X1)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_25,negated_conjecture,
    subset(esk1_0,difference(esk2_0,difference(X1,esk1_0))),
    inference(spm,[status(thm)],[c_0_21,c_0_7]) ).

cnf(c_0_26,plain,
    ( member(esk3_2(difference(X1,difference(X1,X2)),X3),X2)
    | subset(difference(X1,difference(X1,X2)),X3) ),
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_27,negated_conjecture,
    ( equal_set(difference(esk2_0,difference(X1,esk1_0)),esk1_0)
    | ~ subset(difference(esk2_0,difference(X1,esk1_0)),esk1_0) ),
    inference(spm,[status(thm)],[c_0_24,c_0_25]) ).

cnf(c_0_28,plain,
    subset(difference(X1,difference(X1,X2)),X2),
    inference(spm,[status(thm)],[c_0_14,c_0_26]) ).

cnf(c_0_29,negated_conjecture,
    ~ equal_set(difference(esk2_0,difference(esk2_0,esk1_0)),esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_30,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_27,c_0_28]),c_0_29]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SET012+4 : TPTP v8.1.0. Released v2.2.0.
% 0.04/0.13  % Command  : run_ET %s %d
% 0.12/0.34  % Computer : n010.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sat Jul  9 18:53:30 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.24/2.42  # Running protocol protocol_eprover_2d86bd69119e7e9cc4417c0ee581499eaf828bb2 for 23 seconds:
% 0.24/2.42  # SinE strategy is GSinE(CountFormulas,,1.1,,02,500,1.0)
% 0.24/2.42  # Preprocessing time       : 0.014 s
% 0.24/2.42  
% 0.24/2.42  # Proof found!
% 0.24/2.42  # SZS status Theorem
% 0.24/2.42  # SZS output start CNFRefutation
% See solution above
% 0.24/2.42  # Proof object total steps             : 31
% 0.24/2.42  # Proof object clause steps            : 22
% 0.24/2.42  # Proof object formula steps           : 9
% 0.24/2.42  # Proof object conjectures             : 12
% 0.24/2.42  # Proof object clause conjectures      : 9
% 0.24/2.42  # Proof object formula conjectures     : 3
% 0.24/2.42  # Proof object initial clauses used    : 9
% 0.24/2.42  # Proof object initial formulas used   : 4
% 0.24/2.42  # Proof object generating inferences   : 13
% 0.24/2.42  # Proof object simplifying inferences  : 1
% 0.24/2.42  # Training examples: 0 positive, 0 negative
% 0.24/2.42  # Parsed axioms                        : 12
% 0.24/2.42  # Removed by relevancy pruning/SinE    : 8
% 0.24/2.42  # Initial clauses                      : 11
% 0.24/2.42  # Removed in clause preprocessing      : 0
% 0.24/2.42  # Initial clauses in saturation        : 11
% 0.24/2.42  # Processed clauses                    : 6371
% 0.24/2.42  # ...of these trivial                  : 205
% 0.24/2.42  # ...subsumed                          : 1977
% 0.24/2.42  # ...remaining for further processing  : 4189
% 0.24/2.42  # Other redundant clauses eliminated   : 0
% 0.24/2.42  # Clauses deleted for lack of memory   : 0
% 0.24/2.42  # Backward-subsumed                    : 158
% 0.24/2.42  # Backward-rewritten                   : 436
% 0.24/2.42  # Generated clauses                    : 71061
% 0.24/2.42  # ...of the previous two non-trivial   : 63142
% 0.24/2.42  # Contextual simplify-reflections      : 310
% 0.24/2.42  # Paramodulations                      : 71015
% 0.24/2.42  # Factorizations                       : 46
% 0.24/2.42  # Equation resolutions                 : 0
% 0.24/2.42  # Current number of processed clauses  : 3595
% 0.24/2.42  #    Positive orientable unit clauses  : 2352
% 0.24/2.42  #    Positive unorientable unit clauses: 0
% 0.24/2.42  #    Negative unit clauses             : 1
% 0.24/2.42  #    Non-unit-clauses                  : 1242
% 0.24/2.42  # Current number of unprocessed clauses: 53148
% 0.24/2.42  # ...number of literals in the above   : 116014
% 0.24/2.42  # Current number of archived formulas  : 0
% 0.24/2.42  # Current number of archived clauses   : 594
% 0.24/2.42  # Clause-clause subsumption calls (NU) : 351987
% 0.24/2.42  # Rec. Clause-clause subsumption calls : 299135
% 0.24/2.42  # Non-unit clause-clause subsumptions  : 2445
% 0.24/2.42  # Unit Clause-clause subsumption calls : 124892
% 0.24/2.42  # Rewrite failures with RHS unbound    : 0
% 0.24/2.42  # BW rewrite match attempts            : 232144
% 0.24/2.42  # BW rewrite match successes           : 436
% 0.24/2.42  # Condensation attempts                : 0
% 0.24/2.42  # Condensation successes               : 0
% 0.24/2.42  # Termbank termtop insertions          : 1939796
% 0.24/2.42  
% 0.24/2.42  # -------------------------------------------------
% 0.24/2.42  # User time                : 1.035 s
% 0.24/2.42  # System time              : 0.032 s
% 0.24/2.42  # Total time               : 1.068 s
% 0.24/2.42  # Maximum resident set size: 58524 pages
% 0.24/23.41  eprover: CPU time limit exceeded, terminating
% 0.24/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.43  eprover: No such file or directory
% 0.24/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.43  eprover: No such file or directory
% 0.24/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.44  eprover: No such file or directory
% 0.24/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.44  eprover: No such file or directory
% 0.24/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.45  eprover: No such file or directory
% 0.24/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.46  eprover: No such file or directory
% 0.24/23.46  eprover: CPU time limit exceeded, terminating
% 0.24/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.46  eprover: No such file or directory
% 0.24/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.47  eprover: No such file or directory
% 0.24/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.47  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.49  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.49  eprover: No such file or directory
% 0.24/23.49  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.49  eprover: No such file or directory
% 0.24/23.50  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.50  eprover: No such file or directory
% 0.24/23.51  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.51  eprover: No such file or directory
% 0.24/23.51  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.51  eprover: No such file or directory
% 0.24/23.52  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.52  eprover: No such file or directory
% 0.24/23.52  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.52  eprover: No such file or directory
% 0.24/23.53  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.53  eprover: No such file or directory
% 0.24/23.53  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.24/23.53  eprover: No such file or directory
%------------------------------------------------------------------------------