TSTP Solution File: HEN003-5 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : HEN003-5 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %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 : Sat Jul 16 13:02:20 EDT 2022

% Result   : Unsatisfiable 0.18s 0.50s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   10 (   9 unt;   0 nHn;   4 RR)
%            Number of literals    :   12 (  11 equ;   4 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   13 (   4 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(quotient_smaller_than_numerator,axiom,
    divide(divide(X,Y),X) = zero,
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN003-0.ax',quotient_smaller_than_numerator) ).

cnf(quotient_property,axiom,
    divide(divide(divide(X,Y),divide(Z,Y)),divide(divide(X,Z),Y)) = zero,
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN003-0.ax',quotient_property) ).

cnf(zero_is_smallest,axiom,
    divide(zero,X) = zero,
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN003-0.ax',zero_is_smallest) ).

cnf(divide_and_equal,axiom,
    ( divide(X,Y) != zero
    | divide(Y,X) != zero
    | X = Y ),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN003-0.ax',divide_and_equal) ).

cnf(prove_x_divide_x_is_zero,negated_conjecture,
    divide(a,a) != zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_x_divide_x_is_zero) ).

cnf(7,plain,
    divide(divide(a,a),zero) != zero,
    inference('UR-RESOLVE',[status(thm)],[divide_and_equal,zero_is_smallest,prove_x_divide_x_is_zero]) ).

cnf(11,plain,
    divide(divide(divide(X,X),divide(Y,X)),zero) = zero,
    inference('PARAMODULATE',[status(thm)],[quotient_property,quotient_smaller_than_numerator,theory(equality)]) ).

cnf(22,plain,
    divide(divide(X,X),divide(Y,X)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[divide_and_equal,11,zero_is_smallest]) ).

cnf(23,plain,
    divide(divide(X,X),zero) = zero,
    inference('PARAMODULATE',[status(thm)],[22,quotient_smaller_than_numerator,theory(equality)]) ).

cnf(24,plain,
    $false,
    inference('REWRITE',[status(thm)],[7,23,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : HEN003-5 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : run-snark %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 14:49:28 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.44  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.45  * 
% 0.18/0.45  * 
% 0.18/0.46  #<PACKAGE "SNARK-USER">
% 0.18/0.46  * 
% 0.18/0.46  SNARK-TPTP-OPTIONS
% 0.18/0.46  * 
% 0.18/0.46  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.18/0.46   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.18/0.46   (USE-FACTORING :POS)
% 0.18/0.46   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.18/0.46   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.18/0.46   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.18/0.46   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.18/0.46   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.18/0.46   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.18/0.46   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.18/0.46   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.18/0.46   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.18/0.46   (DECLARE-TPTP-SYMBOLS2))
% 0.18/0.46  * 
% 0.18/0.46  "."
% 0.18/0.46  * 
% 0.18/0.46  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-01T14:49:28
% 0.18/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n015.cluster.edu at 2022-07-01T14:49:28
% 0.18/0.50  
% 0.18/0.50  
% 0.18/0.50  #||
% 0.18/0.50  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.50  % SZS output start Refutation
% See solution above
% 0.18/0.50  ||#
% 0.18/0.50  
% 0.18/0.50  ; Summary of computation:
% 0.18/0.50  ;       117 formulas have been input or derived (from 13 formulas).
% 0.18/0.50  ;        24 (21%) were retained.  Of these,
% 0.18/0.50  ;            4 (17%) were simplified or subsumed later,
% 0.18/0.50  ;           20 (83%) are still being kept.
% 0.18/0.50  ; 
% 0.18/0.50  ; Run time in seconds excluding printing time:
% 0.18/0.50  ;     0.002   6%   Read assertion file          (1 call)
% 0.18/0.50  ;     0.000   0%   Assert                       (6 calls)
% 0.18/0.50  ;     0.006  18%   Process new row              (80 calls)
% 0.18/0.50  ;     0.001   3%   Resolution                   (24 calls)
% 0.18/0.50  ;     0.001   3%   Paramodulation               (12 calls)
% 0.18/0.50  ;     0.000   0%   Condensing                   (8 calls)
% 0.18/0.50  ;     0.000   0%   Forward subsumption          (8 calls)
% 0.18/0.50  ;     0.000   0%   Backward subsumption         (5 calls)
% 0.18/0.50  ;     0.000   0%   Clause clause subsumption    (4 calls)
% 0.18/0.50  ;     0.002   6%   Forward simplification       (67 calls)
% 0.18/0.50  ;     0.001   3%   Backward simplification      (24 calls)
% 0.18/0.50  ;     0.000   0%   Ordering                     (123 calls)
% 0.18/0.50  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.18/0.50  ;     0.000   0%   Purity testing               (1 call)
% 0.18/0.50  ;     0.021  62%   Other
% 0.18/0.50  ;     0.034        Total
% 0.18/0.50  ;     0.036        Real time
% 0.18/0.50  ; 
% 0.18/0.50  ; Term-hash-array has 82 terms in all.
% 0.18/0.50  ; Feature-vector-row-index has 5 entries (5 at peak, 5 added, 0 deleted).
% 0.18/0.50  ; Feature-vector-row-index has 28 nodes (28 at peak, 28 added, 0 deleted).
% 0.18/0.50  ;  Retrieved 4 possibly forward subsuming rows in 8 calls.
% 0.18/0.50  ;  Retrieved 0 possibly backward subsumed rows in 5 calls.
% 0.18/0.50  ; Path-index has 77 entries (83 at peak, 85 added, 8 deleted).
% 0.18/0.50  ; Path-index has 230 nodes (244 at peak, 244 added, 14 deleted).
% 0.18/0.50  ; Trie-index has 77 entries (83 at peak, 85 added, 8 deleted).
% 0.18/0.50  ; Trie-index has 320 nodes (348 at peak, 350 added, 30 deleted).
% 0.18/0.50  ; Retrieved 112 generalization terms in 221 calls.
% 0.18/0.50  ; Retrieved 42 instance terms in 18 calls.
% 0.18/0.50  ; Retrieved 562 unifiable terms in 132 calls.
% 0.18/0.50  ; 
% 0.18/0.50  ; The agenda of backward simplifiable rows to process has 2 entries:
% 0.18/0.50  ;     2 with value 0
% 0.18/0.50  ; The agenda of rows to process has 10 entries:
% 0.18/0.50  ;     1 with value 15              2 with value 23               2 with value 27
% 0.18/0.50  ;     2 with value 16              1 with value 25               1 with value 28
% 0.18/0.50  ;     1 with value 18
% 0.18/0.50  ; The agenda of rows to give has 10 entries:
% 0.18/0.50  ;     1 with value (4 13)          1 with value (4 19)           1 with value (4 30)
% 0.18/0.50  ;     1 with value (4 16)          1 with value (4 21)           1 with value (4 34)
% 0.18/0.50  ;     2 with value (4 18)          1 with value (4 28)           1 with value (4 36)
% 0.18/0.50  Evaluation took:
% 0.18/0.50    0.036 seconds of real time
% 0.18/0.50    0.031301 seconds of user run time
% 0.18/0.50    0.005228 seconds of system run time
% 0.18/0.50    0 calls to %EVAL
% 0.18/0.50    0 page faults and
% 0.18/0.50    2,222,976 bytes consed.
% 0.18/0.50  :PROOF-FOUND
% 0.18/0.50  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-01T14:49:28
% 0.18/0.50  :PROOF-FOUND
% 0.18/0.50  * 
%------------------------------------------------------------------------------