TSTP Solution File: SYN083+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SYN083+1 : TPTP v8.1.0. Released v2.0.0.
% 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 : Thu Jul 21 05:51:45 EDT 2022

% Result   : Theorem 0.25s 1.44s
% Output   : CNFRefutation 0.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    2
% Syntax   : Number of formulae    :    8 (   8 unt;   0 def)
%            Number of atoms       :    8 (   7 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   17 (   0 sgn  14   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(pel61,conjecture,
    ! [X1,X2,X3,X4] : f(X1,f(X2,f(X3,X4))) = f(f(f(X1,X2),X3),X4),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',pel61) ).

fof(p61_1,axiom,
    ! [X1,X2,X3] : f(X1,f(X2,X3)) = f(f(X1,X2),X3),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',p61_1) ).

fof(c_0_2,negated_conjecture,
    ~ ! [X1,X2,X3,X4] : f(X1,f(X2,f(X3,X4))) = f(f(f(X1,X2),X3),X4),
    inference(assume_negation,[status(cth)],[pel61]) ).

fof(c_0_3,negated_conjecture,
    f(esk1_0,f(esk2_0,f(esk3_0,esk4_0))) != f(f(f(esk1_0,esk2_0),esk3_0),esk4_0),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_2])])]) ).

fof(c_0_4,plain,
    ! [X4,X5,X6] : f(X4,f(X5,X6)) = f(f(X4,X5),X6),
    inference(variable_rename,[status(thm)],[p61_1]) ).

cnf(c_0_5,negated_conjecture,
    f(esk1_0,f(esk2_0,f(esk3_0,esk4_0))) != f(f(f(esk1_0,esk2_0),esk3_0),esk4_0),
    inference(split_conjunct,[status(thm)],[c_0_3]) ).

cnf(c_0_6,plain,
    f(X1,f(X2,X3)) = f(f(X1,X2),X3),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_7,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_5,c_0_6]),c_0_6])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SYN083+1 : TPTP v8.1.0. Released v2.0.0.
% 0.08/0.14  % Command  : run_ET %s %d
% 0.13/0.35  % Computer : n010.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Tue Jul 12 08:41:45 EDT 2022
% 0.13/0.36  % CPUTime  : 
% 0.25/1.44  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.25/1.44  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.25/1.44  # Preprocessing time       : 0.013 s
% 0.25/1.44  
% 0.25/1.44  # Proof found!
% 0.25/1.44  # SZS status Theorem
% 0.25/1.44  # SZS output start CNFRefutation
% See solution above
% 0.25/1.44  # Proof object total steps             : 8
% 0.25/1.44  # Proof object clause steps            : 3
% 0.25/1.44  # Proof object formula steps           : 5
% 0.25/1.44  # Proof object conjectures             : 5
% 0.25/1.44  # Proof object clause conjectures      : 2
% 0.25/1.44  # Proof object formula conjectures     : 3
% 0.25/1.44  # Proof object initial clauses used    : 2
% 0.25/1.44  # Proof object initial formulas used   : 2
% 0.25/1.44  # Proof object generating inferences   : 0
% 0.25/1.44  # Proof object simplifying inferences  : 3
% 0.25/1.44  # Training examples: 0 positive, 0 negative
% 0.25/1.44  # Parsed axioms                        : 2
% 0.25/1.44  # Removed by relevancy pruning/SinE    : 0
% 0.25/1.44  # Initial clauses                      : 2
% 0.25/1.44  # Removed in clause preprocessing      : 0
% 0.25/1.44  # Initial clauses in saturation        : 2
% 0.25/1.44  # Processed clauses                    : 2
% 0.25/1.44  # ...of these trivial                  : 0
% 0.25/1.44  # ...subsumed                          : 0
% 0.25/1.44  # ...remaining for further processing  : 2
% 0.25/1.44  # Other redundant clauses eliminated   : 0
% 0.25/1.44  # Clauses deleted for lack of memory   : 0
% 0.25/1.44  # Backward-subsumed                    : 0
% 0.25/1.44  # Backward-rewritten                   : 1
% 0.25/1.44  # Generated clauses                    : 1
% 0.25/1.44  # ...of the previous two non-trivial   : 0
% 0.25/1.44  # Contextual simplify-reflections      : 0
% 0.25/1.44  # Paramodulations                      : 1
% 0.25/1.44  # Factorizations                       : 0
% 0.25/1.44  # Equation resolutions                 : 0
% 0.25/1.44  # Current number of processed clauses  : 1
% 0.25/1.44  #    Positive orientable unit clauses  : 1
% 0.25/1.44  #    Positive unorientable unit clauses: 0
% 0.25/1.44  #    Negative unit clauses             : 0
% 0.25/1.44  #    Non-unit-clauses                  : 0
% 0.25/1.44  # Current number of unprocessed clauses: 0
% 0.25/1.44  # ...number of literals in the above   : 0
% 0.25/1.44  # Current number of archived formulas  : 0
% 0.25/1.44  # Current number of archived clauses   : 1
% 0.25/1.44  # Clause-clause subsumption calls (NU) : 0
% 0.25/1.44  # Rec. Clause-clause subsumption calls : 0
% 0.25/1.44  # Non-unit clause-clause subsumptions  : 0
% 0.25/1.44  # Unit Clause-clause subsumption calls : 0
% 0.25/1.44  # Rewrite failures with RHS unbound    : 0
% 0.25/1.44  # BW rewrite match attempts            : 2
% 0.25/1.44  # BW rewrite match successes           : 2
% 0.25/1.44  # Condensation attempts                : 0
% 0.25/1.44  # Condensation successes               : 0
% 0.25/1.44  # Termbank termtop insertions          : 166
% 0.25/1.44  
% 0.25/1.44  # -------------------------------------------------
% 0.25/1.44  # User time                : 0.010 s
% 0.25/1.44  # System time              : 0.004 s
% 0.25/1.44  # Total time               : 0.014 s
% 0.25/1.44  # Maximum resident set size: 2760 pages
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