TSTP Solution File: SEU406+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU406+1 : TPTP v8.1.0. Released v3.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n019.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 09:19:43 EDT 2022

% Result   : Theorem 0.23s 1.42s
% Output   : CNFRefutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   24 (  12 unt;   0 def)
%            Number of atoms       :   84 (  14 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives :  104 (  44   ~;  30   |;  28   &)
%                                         (   2 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-3 aty)
%            Number of variables   :   42 (   4 sgn  28   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d2_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = k2_xboole_0(X1,X2)
    <=> ! [X4] :
          ( r2_hidden(X4,X3)
        <=> ( r2_hidden(X4,X1)
            | r2_hidden(X4,X2) ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d2_xboole_0) ).

fof(t1_latsum_1,conjecture,
    ! [X1,X2,X3,X4] :
      ~ ( r2_hidden(X1,k2_xboole_0(X3,X4))
        & r2_hidden(X2,k2_xboole_0(X3,X4))
        & ~ ( r2_hidden(X1,k4_xboole_0(X3,X4))
            & r2_hidden(X2,k4_xboole_0(X3,X4)) )
        & ~ ( r2_hidden(X1,X4)
            & r2_hidden(X2,X4) )
        & ~ ( r2_hidden(X1,k4_xboole_0(X3,X4))
            & r2_hidden(X2,X4) )
        & ~ ( r2_hidden(X1,X4)
            & r2_hidden(X2,k4_xboole_0(X3,X4)) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t1_latsum_1) ).

fof(t39_xboole_1,axiom,
    ! [X1,X2] : k2_xboole_0(X1,k4_xboole_0(X2,X1)) = k2_xboole_0(X1,X2),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t39_xboole_1) ).

fof(commutativity_k2_xboole_0,axiom,
    ! [X1,X2] : k2_xboole_0(X1,X2) = k2_xboole_0(X2,X1),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',commutativity_k2_xboole_0) ).

fof(c_0_4,plain,
    ! [X5,X6,X7,X8,X8,X5,X6,X7] :
      ( ( ~ r2_hidden(X8,X7)
        | r2_hidden(X8,X5)
        | r2_hidden(X8,X6)
        | X7 != k2_xboole_0(X5,X6) )
      & ( ~ r2_hidden(X8,X5)
        | r2_hidden(X8,X7)
        | X7 != k2_xboole_0(X5,X6) )
      & ( ~ r2_hidden(X8,X6)
        | r2_hidden(X8,X7)
        | X7 != k2_xboole_0(X5,X6) )
      & ( ~ r2_hidden(esk5_3(X5,X6,X7),X5)
        | ~ r2_hidden(esk5_3(X5,X6,X7),X7)
        | X7 = k2_xboole_0(X5,X6) )
      & ( ~ r2_hidden(esk5_3(X5,X6,X7),X6)
        | ~ r2_hidden(esk5_3(X5,X6,X7),X7)
        | X7 = k2_xboole_0(X5,X6) )
      & ( r2_hidden(esk5_3(X5,X6,X7),X7)
        | r2_hidden(esk5_3(X5,X6,X7),X5)
        | r2_hidden(esk5_3(X5,X6,X7),X6)
        | X7 = k2_xboole_0(X5,X6) ) ),
    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)],[d2_xboole_0])])])])])])]) ).

fof(c_0_5,negated_conjecture,
    ~ ! [X1,X2,X3,X4] :
        ~ ( r2_hidden(X1,k2_xboole_0(X3,X4))
          & r2_hidden(X2,k2_xboole_0(X3,X4))
          & ~ ( r2_hidden(X1,k4_xboole_0(X3,X4))
              & r2_hidden(X2,k4_xboole_0(X3,X4)) )
          & ~ ( r2_hidden(X1,X4)
              & r2_hidden(X2,X4) )
          & ~ ( r2_hidden(X1,k4_xboole_0(X3,X4))
              & r2_hidden(X2,X4) )
          & ~ ( r2_hidden(X1,X4)
              & r2_hidden(X2,k4_xboole_0(X3,X4)) ) ),
    inference(assume_negation,[status(cth)],[t1_latsum_1]) ).

cnf(c_0_6,plain,
    ( r2_hidden(X4,X3)
    | r2_hidden(X4,X2)
    | X1 != k2_xboole_0(X2,X3)
    | ~ r2_hidden(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

fof(c_0_7,plain,
    ! [X3,X4] : k2_xboole_0(X3,k4_xboole_0(X4,X3)) = k2_xboole_0(X3,X4),
    inference(variable_rename,[status(thm)],[t39_xboole_1]) ).

fof(c_0_8,negated_conjecture,
    ( r2_hidden(esk1_0,k2_xboole_0(esk3_0,esk4_0))
    & r2_hidden(esk2_0,k2_xboole_0(esk3_0,esk4_0))
    & ( ~ r2_hidden(esk1_0,k4_xboole_0(esk3_0,esk4_0))
      | ~ r2_hidden(esk2_0,k4_xboole_0(esk3_0,esk4_0)) )
    & ( ~ r2_hidden(esk1_0,esk4_0)
      | ~ r2_hidden(esk2_0,esk4_0) )
    & ( ~ r2_hidden(esk1_0,k4_xboole_0(esk3_0,esk4_0))
      | ~ r2_hidden(esk2_0,esk4_0) )
    & ( ~ r2_hidden(esk1_0,esk4_0)
      | ~ r2_hidden(esk2_0,k4_xboole_0(esk3_0,esk4_0)) ) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_5])])]) ).

cnf(c_0_9,plain,
    ( r2_hidden(X1,X2)
    | r2_hidden(X1,X3)
    | ~ r2_hidden(X1,k2_xboole_0(X3,X2)) ),
    inference(er,[status(thm)],[c_0_6]) ).

cnf(c_0_10,plain,
    k2_xboole_0(X1,k4_xboole_0(X2,X1)) = k2_xboole_0(X1,X2),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

fof(c_0_11,plain,
    ! [X3,X4] : k2_xboole_0(X3,X4) = k2_xboole_0(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_k2_xboole_0]) ).

cnf(c_0_12,negated_conjecture,
    ( ~ r2_hidden(esk2_0,k4_xboole_0(esk3_0,esk4_0))
    | ~ r2_hidden(esk1_0,esk4_0) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_13,plain,
    ( r2_hidden(X1,k4_xboole_0(X2,X3))
    | r2_hidden(X1,X3)
    | ~ r2_hidden(X1,k2_xboole_0(X3,X2)) ),
    inference(spm,[status(thm)],[c_0_9,c_0_10]) ).

cnf(c_0_14,plain,
    k2_xboole_0(X1,X2) = k2_xboole_0(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_15,negated_conjecture,
    r2_hidden(esk2_0,k2_xboole_0(esk3_0,esk4_0)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_16,negated_conjecture,
    ( ~ r2_hidden(esk2_0,esk4_0)
    | ~ r2_hidden(esk1_0,esk4_0) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_17,negated_conjecture,
    ( ~ r2_hidden(esk2_0,esk4_0)
    | ~ r2_hidden(esk1_0,k4_xboole_0(esk3_0,esk4_0)) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_18,negated_conjecture,
    r2_hidden(esk1_0,k2_xboole_0(esk3_0,esk4_0)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_19,negated_conjecture,
    ~ r2_hidden(esk1_0,esk4_0),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_13]),c_0_14]),c_0_15])]),c_0_16]) ).

cnf(c_0_20,negated_conjecture,
    ( ~ r2_hidden(esk2_0,k4_xboole_0(esk3_0,esk4_0))
    | ~ r2_hidden(esk1_0,k4_xboole_0(esk3_0,esk4_0)) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_21,negated_conjecture,
    ~ r2_hidden(esk2_0,esk4_0),
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_17,c_0_13]),c_0_14]),c_0_18])]),c_0_19]) ).

cnf(c_0_22,negated_conjecture,
    ~ r2_hidden(esk1_0,k4_xboole_0(esk3_0,esk4_0)),
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_20,c_0_13]),c_0_14]),c_0_15])]),c_0_21]) ).

cnf(c_0_23,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_22,c_0_13]),c_0_14]),c_0_18])]),c_0_19]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU406+1 : TPTP v8.1.0. Released v3.4.0.
% 0.11/0.13  % Command  : run_ET %s %d
% 0.13/0.34  % Computer : n019.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jun 19 16:47:24 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.23/1.42  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.23/1.42  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.23/1.42  # Preprocessing time       : 0.015 s
% 0.23/1.42  
% 0.23/1.42  # Proof found!
% 0.23/1.42  # SZS status Theorem
% 0.23/1.42  # SZS output start CNFRefutation
% See solution above
% 0.23/1.42  # Proof object total steps             : 24
% 0.23/1.42  # Proof object clause steps            : 15
% 0.23/1.42  # Proof object formula steps           : 9
% 0.23/1.42  # Proof object conjectures             : 13
% 0.23/1.42  # Proof object clause conjectures      : 10
% 0.23/1.42  # Proof object formula conjectures     : 3
% 0.23/1.42  # Proof object initial clauses used    : 9
% 0.23/1.42  # Proof object initial formulas used   : 4
% 0.23/1.42  # Proof object generating inferences   : 6
% 0.23/1.42  # Proof object simplifying inferences  : 16
% 0.23/1.42  # Training examples: 0 positive, 0 negative
% 0.23/1.42  # Parsed axioms                        : 24
% 0.23/1.42  # Removed by relevancy pruning/SinE    : 7
% 0.23/1.42  # Initial clauses                      : 27
% 0.23/1.42  # Removed in clause preprocessing      : 0
% 0.23/1.42  # Initial clauses in saturation        : 27
% 0.23/1.42  # Processed clauses                    : 333
% 0.23/1.42  # ...of these trivial                  : 1
% 0.23/1.42  # ...subsumed                          : 187
% 0.23/1.42  # ...remaining for further processing  : 145
% 0.23/1.42  # Other redundant clauses eliminated   : 27
% 0.23/1.42  # Clauses deleted for lack of memory   : 0
% 0.23/1.42  # Backward-subsumed                    : 7
% 0.23/1.42  # Backward-rewritten                   : 9
% 0.23/1.42  # Generated clauses                    : 1050
% 0.23/1.42  # ...of the previous two non-trivial   : 916
% 0.23/1.42  # Contextual simplify-reflections      : 49
% 0.23/1.42  # Paramodulations                      : 983
% 0.23/1.42  # Factorizations                       : 32
% 0.23/1.42  # Equation resolutions                 : 33
% 0.23/1.42  # Current number of processed clauses  : 127
% 0.23/1.42  #    Positive orientable unit clauses  : 12
% 0.23/1.42  #    Positive unorientable unit clauses: 1
% 0.23/1.42  #    Negative unit clauses             : 9
% 0.23/1.42  #    Non-unit-clauses                  : 105
% 0.23/1.42  # Current number of unprocessed clauses: 560
% 0.23/1.42  # ...number of literals in the above   : 2044
% 0.23/1.42  # Current number of archived formulas  : 0
% 0.23/1.42  # Current number of archived clauses   : 18
% 0.23/1.42  # Clause-clause subsumption calls (NU) : 3802
% 0.23/1.42  # Rec. Clause-clause subsumption calls : 2814
% 0.23/1.42  # Non-unit clause-clause subsumptions  : 235
% 0.23/1.42  # Unit Clause-clause subsumption calls : 122
% 0.23/1.42  # Rewrite failures with RHS unbound    : 0
% 0.23/1.42  # BW rewrite match attempts            : 15
% 0.23/1.42  # BW rewrite match successes           : 13
% 0.23/1.42  # Condensation attempts                : 0
% 0.23/1.42  # Condensation successes               : 0
% 0.23/1.42  # Termbank termtop insertions          : 12639
% 0.23/1.42  
% 0.23/1.42  # -------------------------------------------------
% 0.23/1.42  # User time                : 0.046 s
% 0.23/1.42  # System time              : 0.004 s
% 0.23/1.42  # Total time               : 0.050 s
% 0.23/1.42  # Maximum resident set size: 3580 pages
%------------------------------------------------------------------------------