TSTP Solution File: SEU097+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU097+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n005.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 09:16:48 EDT 2022

% Result   : Theorem 0.23s 1.41s
% Output   : CNFRefutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   19 (   9 unt;   0 def)
%            Number of atoms       :   35 (   3 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   29 (  13   ~;   7   |;   5   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   22 (   1 sgn  16   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(t28_finset_1,conjecture,
    ! [X1,X2] :
      ( ( finite(X1)
        & finite(X2) )
     => finite(symmetric_difference(X1,X2)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t28_finset_1) ).

fof(d6_xboole_0,axiom,
    ! [X1,X2] : symmetric_difference(X1,X2) = set_union2(set_difference(X1,X2),set_difference(X2,X1)),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d6_xboole_0) ).

fof(fc9_finset_1,axiom,
    ! [X1,X2] :
      ( ( finite(X1)
        & finite(X2) )
     => finite(set_union2(X1,X2)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',fc9_finset_1) ).

fof(fc12_finset_1,axiom,
    ! [X1,X2] :
      ( finite(X1)
     => finite(set_difference(X1,X2)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',fc12_finset_1) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1,X2] :
        ( ( finite(X1)
          & finite(X2) )
       => finite(symmetric_difference(X1,X2)) ),
    inference(assume_negation,[status(cth)],[t28_finset_1]) ).

fof(c_0_5,negated_conjecture,
    ( finite(esk1_0)
    & finite(esk2_0)
    & ~ finite(symmetric_difference(esk1_0,esk2_0)) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

fof(c_0_6,plain,
    ! [X3,X4] : symmetric_difference(X3,X4) = set_union2(set_difference(X3,X4),set_difference(X4,X3)),
    inference(variable_rename,[status(thm)],[d6_xboole_0]) ).

cnf(c_0_7,negated_conjecture,
    ~ finite(symmetric_difference(esk1_0,esk2_0)),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_8,plain,
    symmetric_difference(X1,X2) = set_union2(set_difference(X1,X2),set_difference(X2,X1)),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_9,plain,
    ! [X3,X4] :
      ( ~ finite(X3)
      | ~ finite(X4)
      | finite(set_union2(X3,X4)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[fc9_finset_1])]) ).

cnf(c_0_10,negated_conjecture,
    ~ finite(set_union2(set_difference(esk1_0,esk2_0),set_difference(esk2_0,esk1_0))),
    inference(rw,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_11,plain,
    ( finite(set_union2(X1,X2))
    | ~ finite(X2)
    | ~ finite(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_12,plain,
    ! [X3,X4] :
      ( ~ finite(X3)
      | finite(set_difference(X3,X4)) ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[fc12_finset_1])])])]) ).

cnf(c_0_13,negated_conjecture,
    ( ~ finite(set_difference(esk2_0,esk1_0))
    | ~ finite(set_difference(esk1_0,esk2_0)) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_14,plain,
    ( finite(set_difference(X1,X2))
    | ~ finite(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_15,negated_conjecture,
    finite(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_16,negated_conjecture,
    ~ finite(set_difference(esk1_0,esk2_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_13,c_0_14]),c_0_15])]) ).

cnf(c_0_17,negated_conjecture,
    finite(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_18,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_16,c_0_14]),c_0_17])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU097+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : run_ET %s %d
% 0.12/0.34  % Computer : n005.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 Jun 18 23:13:53 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.23/1.41  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.23/1.41  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.23/1.41  # Preprocessing time       : 0.017 s
% 0.23/1.41  
% 0.23/1.41  # Proof found!
% 0.23/1.41  # SZS status Theorem
% 0.23/1.41  # SZS output start CNFRefutation
% See solution above
% 0.23/1.41  # Proof object total steps             : 19
% 0.23/1.41  # Proof object clause steps            : 10
% 0.23/1.41  # Proof object formula steps           : 9
% 0.23/1.41  # Proof object conjectures             : 10
% 0.23/1.41  # Proof object clause conjectures      : 7
% 0.23/1.41  # Proof object formula conjectures     : 3
% 0.23/1.41  # Proof object initial clauses used    : 6
% 0.23/1.41  # Proof object initial formulas used   : 4
% 0.23/1.41  # Proof object generating inferences   : 3
% 0.23/1.41  # Proof object simplifying inferences  : 5
% 0.23/1.41  # Training examples: 0 positive, 0 negative
% 0.23/1.41  # Parsed axioms                        : 70
% 0.23/1.41  # Removed by relevancy pruning/SinE    : 30
% 0.23/1.41  # Initial clauses                      : 60
% 0.23/1.41  # Removed in clause preprocessing      : 1
% 0.23/1.41  # Initial clauses in saturation        : 59
% 0.23/1.41  # Processed clauses                    : 71
% 0.23/1.41  # ...of these trivial                  : 3
% 0.23/1.41  # ...subsumed                          : 2
% 0.23/1.41  # ...remaining for further processing  : 66
% 0.23/1.41  # Other redundant clauses eliminated   : 0
% 0.23/1.41  # Clauses deleted for lack of memory   : 0
% 0.23/1.41  # Backward-subsumed                    : 0
% 0.23/1.41  # Backward-rewritten                   : 10
% 0.23/1.41  # Generated clauses                    : 69
% 0.23/1.41  # ...of the previous two non-trivial   : 50
% 0.23/1.41  # Contextual simplify-reflections      : 0
% 0.23/1.41  # Paramodulations                      : 69
% 0.23/1.41  # Factorizations                       : 0
% 0.23/1.41  # Equation resolutions                 : 0
% 0.23/1.41  # Current number of processed clauses  : 56
% 0.23/1.41  #    Positive orientable unit clauses  : 20
% 0.23/1.41  #    Positive unorientable unit clauses: 1
% 0.23/1.41  #    Negative unit clauses             : 8
% 0.23/1.41  #    Non-unit-clauses                  : 27
% 0.23/1.41  # Current number of unprocessed clauses: 32
% 0.23/1.41  # ...number of literals in the above   : 72
% 0.23/1.41  # Current number of archived formulas  : 0
% 0.23/1.41  # Current number of archived clauses   : 11
% 0.23/1.41  # Clause-clause subsumption calls (NU) : 87
% 0.23/1.41  # Rec. Clause-clause subsumption calls : 83
% 0.23/1.41  # Non-unit clause-clause subsumptions  : 2
% 0.23/1.41  # Unit Clause-clause subsumption calls : 53
% 0.23/1.41  # Rewrite failures with RHS unbound    : 0
% 0.23/1.41  # BW rewrite match attempts            : 8
% 0.23/1.41  # BW rewrite match successes           : 8
% 0.23/1.41  # Condensation attempts                : 0
% 0.23/1.41  # Condensation successes               : 0
% 0.23/1.41  # Termbank termtop insertions          : 3182
% 0.23/1.41  
% 0.23/1.41  # -------------------------------------------------
% 0.23/1.41  # User time                : 0.018 s
% 0.23/1.41  # System time              : 0.002 s
% 0.23/1.41  # Total time               : 0.020 s
% 0.23/1.41  # Maximum resident set size: 3064 pages
%------------------------------------------------------------------------------