TSTP Solution File: MSC012+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : MSC012+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n015.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 : Sun Jul 17 22:43:01 EDT 2022

% Result   : Theorem 0.21s 1.39s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   26 (  10 unt;   0 def)
%            Number of atoms       :   57 (   0 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   55 (  24   ~;  24   |;   5   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   2 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   0 con; 1-1 aty)
%            Number of variables   :   39 (   2 sgn  14   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(transitive_less,axiom,
    ! [X1,X2,X3] :
      ( ( less(X1,X2)
        & less(X2,X3) )
     => less(X1,X3) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',transitive_less) ).

fof(serial_less,axiom,
    ! [X1] :
    ? [X2] : less(X1,X2),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',serial_less) ).

fof(goal_to_be_proved,conjecture,
    goal,
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',goal_to_be_proved) ).

fof(left_to_right,axiom,
    ! [X1,X2] :
      ( ( p(X1)
        & less(X1,X2)
        & p(X2) )
     => goal ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',left_to_right) ).

fof(right_to_left,axiom,
    ! [X1] :
      ( p(X1)
      | ? [X2] :
          ( less(X1,X2)
          & p(X2) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',right_to_left) ).

fof(c_0_5,plain,
    ! [X4,X5,X6] :
      ( ~ less(X4,X5)
      | ~ less(X5,X6)
      | less(X4,X6) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[transitive_less])]) ).

fof(c_0_6,plain,
    ! [X3] : less(X3,esk2_1(X3)),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[serial_less])]) ).

fof(c_0_7,negated_conjecture,
    ~ goal,
    inference(assume_negation,[status(cth)],[goal_to_be_proved]) ).

cnf(c_0_8,plain,
    ( less(X1,X2)
    | ~ less(X3,X2)
    | ~ less(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_9,plain,
    less(X1,esk2_1(X1)),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_10,plain,
    ! [X3,X4] :
      ( ~ p(X3)
      | ~ less(X3,X4)
      | ~ p(X4)
      | goal ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[left_to_right])])])]) ).

fof(c_0_11,negated_conjecture,
    ~ goal,
    inference(fof_simplification,[status(thm)],[c_0_7]) ).

fof(c_0_12,plain,
    ! [X3] :
      ( ( less(X3,esk1_1(X3))
        | p(X3) )
      & ( p(esk1_1(X3))
        | p(X3) ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[right_to_left])])])])]) ).

cnf(c_0_13,plain,
    ( less(X1,esk2_1(X2))
    | ~ less(X1,X2) ),
    inference(spm,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_14,plain,
    ( goal
    | ~ p(X1)
    | ~ less(X2,X1)
    | ~ p(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_15,negated_conjecture,
    ~ goal,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    ( p(X1)
    | less(X1,esk1_1(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_17,plain,
    ( less(X1,esk2_1(X2))
    | ~ less(X1,X3)
    | ~ less(X3,X2) ),
    inference(spm,[status(thm)],[c_0_8,c_0_13]) ).

cnf(c_0_18,plain,
    ( ~ less(X1,X2)
    | ~ p(X1)
    | ~ p(X2) ),
    inference(sr,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_19,plain,
    ( less(X1,esk1_1(X2))
    | p(X2)
    | ~ less(X1,X2) ),
    inference(spm,[status(thm)],[c_0_8,c_0_16]) ).

cnf(c_0_20,plain,
    ( p(X1)
    | p(esk1_1(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_21,plain,
    ( less(X1,esk2_1(X2))
    | ~ less(esk2_1(X1),X2) ),
    inference(spm,[status(thm)],[c_0_17,c_0_9]) ).

cnf(c_0_22,plain,
    ( ~ less(X1,X2)
    | ~ p(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20]),c_0_18]) ).

cnf(c_0_23,plain,
    less(X1,esk2_1(esk2_1(esk2_1(X1)))),
    inference(spm,[status(thm)],[c_0_21,c_0_9]) ).

cnf(c_0_24,plain,
    ~ p(X1),
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_25,plain,
    $false,
    inference(sr,[status(thm)],[inference(sr,[status(thm)],[c_0_20,c_0_24]),c_0_24]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem  : MSC012+1 : TPTP v8.1.0. Released v3.2.0.
% 0.02/0.12  % Command  : run_ET %s %d
% 0.12/0.33  % Computer : n015.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 : Fri Jul  1 16:54:13 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.21/1.39  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.21/1.39  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.21/1.39  # Preprocessing time       : 0.008 s
% 0.21/1.39  
% 0.21/1.39  # Proof found!
% 0.21/1.39  # SZS status Theorem
% 0.21/1.39  # SZS output start CNFRefutation
% See solution above
% 0.21/1.39  # Proof object total steps             : 26
% 0.21/1.39  # Proof object clause steps            : 15
% 0.21/1.39  # Proof object formula steps           : 11
% 0.21/1.39  # Proof object conjectures             : 4
% 0.21/1.39  # Proof object clause conjectures      : 1
% 0.21/1.39  # Proof object formula conjectures     : 3
% 0.21/1.39  # Proof object initial clauses used    : 6
% 0.21/1.39  # Proof object initial formulas used   : 5
% 0.21/1.39  # Proof object generating inferences   : 7
% 0.21/1.39  # Proof object simplifying inferences  : 5
% 0.21/1.39  # Training examples: 0 positive, 0 negative
% 0.21/1.39  # Parsed axioms                        : 5
% 0.21/1.39  # Removed by relevancy pruning/SinE    : 0
% 0.21/1.39  # Initial clauses                      : 6
% 0.21/1.39  # Removed in clause preprocessing      : 0
% 0.21/1.39  # Initial clauses in saturation        : 6
% 0.21/1.39  # Processed clauses                    : 21
% 0.21/1.39  # ...of these trivial                  : 0
% 0.21/1.39  # ...subsumed                          : 1
% 0.21/1.39  # ...remaining for further processing  : 20
% 0.21/1.39  # Other redundant clauses eliminated   : 0
% 0.21/1.39  # Clauses deleted for lack of memory   : 0
% 0.21/1.39  # Backward-subsumed                    : 2
% 0.21/1.39  # Backward-rewritten                   : 0
% 0.21/1.39  # Generated clauses                    : 49
% 0.21/1.39  # ...of the previous two non-trivial   : 45
% 0.21/1.39  # Contextual simplify-reflections      : 3
% 0.21/1.39  # Paramodulations                      : 47
% 0.21/1.39  # Factorizations                       : 0
% 0.21/1.39  # Equation resolutions                 : 0
% 0.21/1.39  # Current number of processed clauses  : 16
% 0.21/1.39  #    Positive orientable unit clauses  : 4
% 0.21/1.39  #    Positive unorientable unit clauses: 0
% 0.21/1.39  #    Negative unit clauses             : 2
% 0.21/1.39  #    Non-unit-clauses                  : 10
% 0.21/1.39  # Current number of unprocessed clauses: 26
% 0.21/1.39  # ...number of literals in the above   : 58
% 0.21/1.39  # Current number of archived formulas  : 0
% 0.21/1.39  # Current number of archived clauses   : 4
% 0.21/1.39  # Clause-clause subsumption calls (NU) : 40
% 0.21/1.39  # Rec. Clause-clause subsumption calls : 28
% 0.21/1.39  # Non-unit clause-clause subsumptions  : 6
% 0.21/1.39  # Unit Clause-clause subsumption calls : 3
% 0.21/1.39  # Rewrite failures with RHS unbound    : 0
% 0.21/1.39  # BW rewrite match attempts            : 5
% 0.21/1.39  # BW rewrite match successes           : 0
% 0.21/1.39  # Condensation attempts                : 0
% 0.21/1.39  # Condensation successes               : 0
% 0.21/1.39  # Termbank termtop insertions          : 875
% 0.21/1.39  
% 0.21/1.39  # -------------------------------------------------
% 0.21/1.39  # User time                : 0.008 s
% 0.21/1.39  # System time              : 0.001 s
% 0.21/1.39  # Total time               : 0.009 s
% 0.21/1.39  # Maximum resident set size: 2764 pages
%------------------------------------------------------------------------------