TSTP Solution File: SWV236+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SWV236+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n003.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 : Wed Jul 20 18:15:41 EDT 2022

% Result   : Theorem 0.24s 1.43s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   42 (  20 unt;   0 def)
%            Number of atoms       :   78 (   9 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   69 (  33   ~;  28   |;   5   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-2 aty)
%            Number of variables   :   55 (   0 sgn  25   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(decrypt_data,axiom,
    ! [X1,X6] :
      ( ( p(X1)
        & p(crypt(xor(km,data),X6)) )
     => p(decrypt(X6,X1)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',decrypt_data) ).

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

fof(key_export,axiom,
    ! [X9,X6,X4] :
      ( ( p(crypt(xor(km,X9),X6))
        & p(X9)
        & p(crypt(xor(km,exp),X4)) )
     => p(crypt(xor(X4,X9),X6)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',key_export) ).

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

fof(initial_knowledge_of_intruder_7,axiom,
    p(crypt(xor(km,exp),eurk)),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',initial_knowledge_of_intruder_7) ).

fof(find_known_exporter,conjecture,
    ? [X12] :
      ( p(crypt(xor(km,exp),X12))
      & p(X12) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',find_known_exporter) ).

fof(initial_knowledge_of_intruder_8,axiom,
    p(crypt(xor(km,data),eurk)),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',initial_knowledge_of_intruder_8) ).

fof(xor_rules_1,axiom,
    ! [X1] : xor(X1,id) = X1,
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',xor_rules_1) ).

fof(data_cv_is_known_to_be_zero,axiom,
    ! [X1,X2] :
      ( p(crypt(xor(X1,data),X2))
     => p(crypt(X1,X2)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',data_cv_is_known_to_be_zero) ).

fof(initial_knowledge_of_intruder_4,axiom,
    p(id),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',initial_knowledge_of_intruder_4) ).

fof(c_0_10,plain,
    ! [X7,X8] :
      ( ~ p(X7)
      | ~ p(crypt(xor(km,data),X8))
      | p(decrypt(X8,X7)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[decrypt_data])]) ).

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

fof(c_0_12,plain,
    ! [X10,X11,X12] :
      ( ~ p(crypt(xor(km,X10),X11))
      | ~ p(X10)
      | ~ p(crypt(xor(km,exp),X12))
      | p(crypt(xor(X12,X10),X11)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[key_export])]) ).

cnf(c_0_13,plain,
    ( p(decrypt(X1,X2))
    | ~ p(crypt(xor(km,data),X1))
    | ~ p(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

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

fof(c_0_15,plain,
    ! [X3,X4] : decrypt(X3,crypt(X3,X4)) = X4,
    inference(variable_rename,[status(thm)],[encryption_decryption_cancellation]) ).

cnf(c_0_16,plain,
    ( p(crypt(xor(X1,X2),X3))
    | ~ p(crypt(xor(km,exp),X1))
    | ~ p(X2)
    | ~ p(crypt(xor(km,X2),X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_17,plain,
    p(crypt(xor(km,exp),eurk)),
    inference(split_conjunct,[status(thm)],[initial_knowledge_of_intruder_7]) ).

fof(c_0_18,negated_conjecture,
    ~ ? [X12] :
        ( p(crypt(xor(km,exp),X12))
        & p(X12) ),
    inference(assume_negation,[status(cth)],[find_known_exporter]) ).

cnf(c_0_19,plain,
    ( p(decrypt(X1,X2))
    | ~ p(crypt(xor(data,km),X1))
    | ~ p(X2) ),
    inference(rw,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_20,plain,
    decrypt(X1,crypt(X1,X2)) = X2,
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_21,plain,
    p(crypt(xor(km,data),eurk)),
    inference(split_conjunct,[status(thm)],[initial_knowledge_of_intruder_8]) ).

cnf(c_0_22,plain,
    ( p(crypt(xor(X1,X2),X3))
    | ~ p(crypt(xor(exp,km),X1))
    | ~ p(crypt(xor(km,X2),X3))
    | ~ p(X2) ),
    inference(rw,[status(thm)],[c_0_16,c_0_14]) ).

cnf(c_0_23,plain,
    p(crypt(xor(exp,km),eurk)),
    inference(rw,[status(thm)],[c_0_17,c_0_14]) ).

fof(c_0_24,plain,
    ! [X2] : xor(X2,id) = X2,
    inference(variable_rename,[status(thm)],[xor_rules_1]) ).

fof(c_0_25,plain,
    ! [X3,X4] :
      ( ~ p(crypt(xor(X3,data),X4))
      | p(crypt(X3,X4)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[data_cv_is_known_to_be_zero])]) ).

fof(c_0_26,negated_conjecture,
    ! [X13] :
      ( ~ p(crypt(xor(km,exp),X13))
      | ~ p(X13) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_18])]) ).

cnf(c_0_27,plain,
    ( p(X1)
    | ~ p(crypt(xor(data,km),X2))
    | ~ p(crypt(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_19,c_0_20]) ).

cnf(c_0_28,plain,
    p(crypt(xor(data,km),eurk)),
    inference(rw,[status(thm)],[c_0_21,c_0_14]) ).

cnf(c_0_29,plain,
    ( p(crypt(xor(eurk,X1),X2))
    | ~ p(crypt(xor(km,X1),X2))
    | ~ p(X1) ),
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_30,plain,
    xor(X1,id) = X1,
    inference(split_conjunct,[status(thm)],[c_0_24]) ).

cnf(c_0_31,plain,
    p(id),
    inference(split_conjunct,[status(thm)],[initial_knowledge_of_intruder_4]) ).

cnf(c_0_32,plain,
    ( p(crypt(X1,X2))
    | ~ p(crypt(xor(X1,data),X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_25]) ).

cnf(c_0_33,negated_conjecture,
    ( ~ p(X1)
    | ~ p(crypt(xor(km,exp),X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_34,plain,
    ( p(X1)
    | ~ p(crypt(eurk,X1)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_28]) ).

cnf(c_0_35,plain,
    ( p(crypt(eurk,X1))
    | ~ p(crypt(km,X1)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_30]),c_0_31])]) ).

cnf(c_0_36,plain,
    ( p(crypt(X1,X2))
    | ~ p(crypt(xor(data,X1),X2)) ),
    inference(spm,[status(thm)],[c_0_32,c_0_14]) ).

cnf(c_0_37,negated_conjecture,
    ( ~ p(crypt(xor(exp,km),X1))
    | ~ p(X1) ),
    inference(rw,[status(thm)],[c_0_33,c_0_14]) ).

cnf(c_0_38,plain,
    ( p(X1)
    | ~ p(crypt(km,X1)) ),
    inference(spm,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_39,plain,
    p(crypt(km,eurk)),
    inference(spm,[status(thm)],[c_0_36,c_0_28]) ).

cnf(c_0_40,negated_conjecture,
    ~ p(eurk),
    inference(spm,[status(thm)],[c_0_37,c_0_23]) ).

cnf(c_0_41,plain,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_40]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : SWV236+1 : TPTP v8.1.0. Released v3.2.0.
% 0.04/0.13  % Command  : run_ET %s %d
% 0.13/0.35  % Computer : n003.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 Jun 14 22:17:55 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.24/1.43  # Running protocol protocol_eprover_29fa5c60d0ee03ec4f64b055553dc135fbe4ee3a for 23 seconds:
% 0.24/1.43  # Preprocessing time       : 0.015 s
% 0.24/1.43  
% 0.24/1.43  # Proof found!
% 0.24/1.43  # SZS status Theorem
% 0.24/1.43  # SZS output start CNFRefutation
% See solution above
% 0.24/1.43  # Proof object total steps             : 42
% 0.24/1.43  # Proof object clause steps            : 24
% 0.24/1.43  # Proof object formula steps           : 18
% 0.24/1.43  # Proof object conjectures             : 6
% 0.24/1.43  # Proof object clause conjectures      : 3
% 0.24/1.43  # Proof object formula conjectures     : 3
% 0.24/1.43  # Proof object initial clauses used    : 10
% 0.24/1.43  # Proof object initial formulas used   : 10
% 0.24/1.43  # Proof object generating inferences   : 9
% 0.24/1.43  # Proof object simplifying inferences  : 9
% 0.24/1.43  # Training examples: 0 positive, 0 negative
% 0.24/1.43  # Parsed axioms                        : 28
% 0.24/1.43  # Removed by relevancy pruning/SinE    : 0
% 0.24/1.43  # Initial clauses                      : 28
% 0.24/1.43  # Removed in clause preprocessing      : 0
% 0.24/1.43  # Initial clauses in saturation        : 28
% 0.24/1.43  # Processed clauses                    : 126
% 0.24/1.43  # ...of these trivial                  : 4
% 0.24/1.43  # ...subsumed                          : 53
% 0.24/1.43  # ...remaining for further processing  : 69
% 0.24/1.43  # Other redundant clauses eliminated   : 0
% 0.24/1.43  # Clauses deleted for lack of memory   : 0
% 0.24/1.43  # Backward-subsumed                    : 1
% 0.24/1.43  # Backward-rewritten                   : 8
% 0.24/1.43  # Generated clauses                    : 567
% 0.24/1.43  # ...of the previous two non-trivial   : 456
% 0.24/1.43  # Contextual simplify-reflections      : 9
% 0.24/1.43  # Paramodulations                      : 567
% 0.24/1.43  # Factorizations                       : 0
% 0.24/1.43  # Equation resolutions                 : 0
% 0.24/1.43  # Current number of processed clauses  : 60
% 0.24/1.43  #    Positive orientable unit clauses  : 20
% 0.24/1.43  #    Positive unorientable unit clauses: 3
% 0.24/1.43  #    Negative unit clauses             : 3
% 0.24/1.43  #    Non-unit-clauses                  : 34
% 0.24/1.43  # Current number of unprocessed clauses: 274
% 0.24/1.43  # ...number of literals in the above   : 694
% 0.24/1.43  # Current number of archived formulas  : 0
% 0.24/1.43  # Current number of archived clauses   : 9
% 0.24/1.43  # Clause-clause subsumption calls (NU) : 610
% 0.24/1.43  # Rec. Clause-clause subsumption calls : 457
% 0.24/1.43  # Non-unit clause-clause subsumptions  : 35
% 0.24/1.43  # Unit Clause-clause subsumption calls : 46
% 0.24/1.43  # Rewrite failures with RHS unbound    : 0
% 0.24/1.43  # BW rewrite match attempts            : 45
% 0.24/1.43  # BW rewrite match successes           : 31
% 0.24/1.43  # Condensation attempts                : 0
% 0.24/1.43  # Condensation successes               : 0
% 0.24/1.43  # Termbank termtop insertions          : 8688
% 0.24/1.43  
% 0.24/1.43  # -------------------------------------------------
% 0.24/1.43  # User time                : 0.023 s
% 0.24/1.43  # System time              : 0.002 s
% 0.24/1.43  # Total time               : 0.025 s
% 0.24/1.43  # Maximum resident set size: 3328 pages
% 0.24/23.42  eprover: CPU time limit exceeded, terminating
% 0.24/23.43  eprover: CPU time limit exceeded, terminating
% 0.24/23.44  eprover: Cannot stat file /export/starexec/sandbox/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/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.44  eprover: No such file or directory
% 0.24/23.45  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.45  eprover: No such file or directory
% 0.24/23.45  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.45  eprover: No such file or directory
% 0.24/23.45  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.45  eprover: No such file or directory
% 0.24/23.45  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.45  eprover: No such file or directory
% 0.24/23.46  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.46  eprover: No such file or directory
% 0.24/23.46  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.46  eprover: No such file or directory
% 0.24/23.46  eprover: Cannot stat file /export/starexec/sandbox/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/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.47  eprover: No such file or directory
% 0.24/23.47  eprover: Cannot stat file /export/starexec/sandbox/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/sandbox/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/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.47  eprover: No such file or directory
% 0.24/23.47  eprover: Cannot stat file /export/starexec/sandbox/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/sandbox/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/sandbox/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/sandbox/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/sandbox/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/sandbox/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/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.24/23.49  eprover: No such file or directory
% 0.24/23.50  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.50  eprover: No such file or directory
% 0.24/23.50  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.50  eprover: No such file or directory
%------------------------------------------------------------------------------