TSTP Solution File: HEN009-5 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : HEN009-5 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n011.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 13:02:31 EDT 2022

% Result   : Unsatisfiable 0.20s 0.57s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   17 (  14 unt;   0 nHn;   4 RR)
%            Number of literals    :   21 (  20 equ;   5 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   30 (   9 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(identity_is_largest,axiom,
    divide(X,identity) = zero,
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN003-0.ax',identity_is_largest) ).

cnf(property_of_divide1,axiom,
    ( divide(divide(X,Y),Z) != zero
    | divide(divide(X,Z),Y) = zero ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_of_divide1) ).

cnf(property_of_divide2,axiom,
    ( divide(X,Y) != zero
    | divide(divide(Z,Y),divide(Z,X)) = zero ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',property_of_divide2) ).

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

cnf(15,plain,
    divide(divide(divide(X,Y),divide(identity,Y)),zero) = zero,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[quotient_property,identity_is_largest,theory(equality)]),zero_is_smallest,theory(equality)]) ).

cnf(22,plain,
    divide(divide(X,Y),divide(X,zero)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide2,zero_is_smallest]) ).

cnf(41,plain,
    divide(divide(X,divide(X,zero)),Y) = zero,
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide1,22]) ).

cnf(60,plain,
    divide(X,divide(X,zero)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[divide_and_equal,41,zero_is_smallest]) ).

cnf(61,plain,
    X = divide(X,zero),
    inference('HYPERRESOLVE',[status(thm)],[divide_and_equal,60,quotient_smaller_than_numerator]) ).

cnf(69,plain,
    divide(divide(X,Y),divide(identity,Y)) = zero,
    inference('REWRITE',[status(thm)],[15,61,theory(equality)]) ).

cnf(76,plain,
    divide(divide(X,divide(identity,Y)),Y) = zero,
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide1,69]) ).

cnf(88,plain,
    divide(divide(X,Y),divide(X,divide(Z,divide(identity,Y)))) = zero,
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide2,76]) ).

cnf(90,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[divide_and_equal,76,prove_this]),88,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : HEN009-5 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.14/0.35  % Computer : n011.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Fri Jul  1 13:11:19 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.20/0.47  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.48  * 
% 0.20/0.48  * 
% 0.20/0.49  #<PACKAGE "SNARK-USER">
% 0.20/0.49  * 
% 0.20/0.49  SNARK-TPTP-OPTIONS
% 0.20/0.49  * 
% 0.20/0.49  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.49   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.49   (USE-FACTORING :POS)
% 0.20/0.49   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.49   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.49   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.49   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.49   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.49   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.49   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.49   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.49   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.49   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.49  * 
% 0.20/0.49  "."
% 0.20/0.49  * 
% 0.20/0.49  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-01T13:11:19
% 0.20/0.49  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n011.cluster.edu at 2022-07-01T13:11:19
% 0.20/0.57  
% 0.20/0.57  
% 0.20/0.57  #||
% 0.20/0.57  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.57  % SZS output start Refutation
% See solution above
% 0.20/0.57  ||#
% 0.20/0.57  
% 0.20/0.57  ; Summary of computation:
% 0.20/0.57  ;       768 formulas have been input or derived (from 25 formulas).
% 0.20/0.57  ;        90 (12%) were retained.  Of these,
% 0.20/0.57  ;           27 (30%) were simplified or subsumed later,
% 0.20/0.57  ;           63 (70%) are still being kept.
% 0.20/0.57  ; 
% 0.20/0.57  ; Run time in seconds excluding printing time:
% 0.20/0.57  ;     0.002   2%   Read assertion file          (1 call)
% 0.20/0.57  ;     0.001   1%   Assert                       (9 calls)
% 0.20/0.57  ;     0.016  20%   Process new row              (571 calls)
% 0.20/0.57  ;     0.009  11%   Resolution                   (48 calls)
% 0.20/0.57  ;     0.007   9%   Paramodulation               (24 calls)
% 0.20/0.57  ;     0.000   0%   Condensing                   (35 calls)
% 0.20/0.57  ;     0.000   0%   Forward subsumption          (35 calls)
% 0.20/0.57  ;     0.002   2%   Backward subsumption         (27 calls)
% 0.20/0.57  ;     0.000   0%   Clause clause subsumption    (80 calls)
% 0.20/0.57  ;     0.013  16%   Forward simplification       (424 calls)
% 0.20/0.57  ;     0.003   4%   Backward simplification      (90 calls)
% 0.20/0.57  ;     0.000   0%   Ordering                     (432 calls)
% 0.20/0.57  ;     0.001   1%   Sortal reasoning             (32 calls)
% 0.20/0.57  ;     0.000   0%   Purity testing               (1 call)
% 0.20/0.57  ;     0.026  32%   Other
% 0.20/0.57  ;     0.080        Total
% 0.20/0.57  ;     0.083        Real time
% 0.20/0.57  ; 
% 0.20/0.57  ; Term-hash-array has 237 terms in all.
% 0.20/0.57  ; Feature-vector-row-index has 22 entries (22 at peak, 27 added, 5 deleted).
% 0.20/0.57  ; Feature-vector-row-index has 108 nodes (110 at peak, 143 added, 35 deleted).
% 0.20/0.57  ;  Retrieved 55 possibly forward subsuming rows in 35 calls.
% 0.20/0.57  ;  Retrieved 28 possibly backward subsumed rows in 27 calls.
% 0.20/0.57  ; Path-index has 179 entries (179 at peak, 256 added, 77 deleted).
% 0.20/0.57  ; Path-index has 243 nodes (256 at peak, 285 added, 42 deleted).
% 0.20/0.57  ; Trie-index has 179 entries (179 at peak, 256 added, 77 deleted).
% 0.20/0.57  ; Trie-index has 556 nodes (588 at peak, 834 added, 278 deleted).
% 0.20/0.57  ; Retrieved 1,481 generalization terms in 1,567 calls.
% 0.20/0.57  ; Retrieved 264 instance terms in 62 calls.
% 0.20/0.57  ; Retrieved 6,750 unifiable terms in 503 calls.
% 0.20/0.57  ; 
% 0.20/0.57  ; The agenda of rows to process has 20 entries:
% 0.20/0.57  ;     1 with value 21              1 with value 25               1 with value 28
% 0.20/0.57  ;     8 with value 22              4 with value 26               2 with value 30
% 0.20/0.57  ;     1 with value 23              2 with value 27
% 0.20/0.57  ; The agenda of rows to give has 44 entries:
% 0.20/0.57  ;     3 with value (4 16)          4 with value (4 21)           2 with value (4 27)
% 0.20/0.57  ;     1 with value (4 17)          4 with value (4 22)           2 with value (4 29)
% 0.20/0.57  ;     6 with value (4 18)          3 with value (4 23)           1 with value (4 32)
% 0.20/0.57  ;     6 with value (4 19)          1 with value (4 24)           1 with value (4 36)
% 0.20/0.57  ;     6 with value (4 20)          4 with value (4 25)
% 0.20/0.57  Evaluation took:
% 0.20/0.57    0.083 seconds of real time
% 0.20/0.57    0.077322 seconds of user run time
% 0.20/0.57    0.005742 seconds of system run time
% 0.20/0.57    0 calls to %EVAL
% 0.20/0.57    0 page faults and
% 0.20/0.57    4,618,288 bytes consed.
% 0.20/0.57  :PROOF-FOUND
% 0.20/0.57  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-01T13:11:19
% 0.20/0.57  :PROOF-FOUND
% 0.20/0.57  * 
%------------------------------------------------------------------------------