TSTP Solution File: HEN006-6 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : HEN006-6 : 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 13:02:25 EDT 2022

% Result   : Unsatisfiable 0.19s 0.54s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   26 (  23 unt;   0 nHn;  11 RR)
%            Number of literals    :   30 (  12 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   30 (   6 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(quotient_less_equal1,axiom,
    ( ~ less_equal(X,Y)
    | divide(X,Y) = zero ),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN002-0.ax',quotient_less_equal1) ).

cnf(quotient_less_equal2,axiom,
    ( divide(X,Y) != zero
    | less_equal(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN002-0.ax',quotient_less_equal2) ).

cnf(quotient_smaller_than_numerator,axiom,
    less_equal(divide(X,Y),X),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN002-0.ax',quotient_smaller_than_numerator) ).

cnf(quotient_property,axiom,
    less_equal(divide(divide(X,Y),divide(Z,Y)),divide(divide(X,Z),Y)),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN002-0.ax',quotient_property) ).

cnf(zero_is_smallest,axiom,
    less_equal(zero,X),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN002-0.ax',zero_is_smallest) ).

cnf(less_equal_and_equal,axiom,
    ( ~ less_equal(X,Y)
    | ~ less_equal(Y,X)
    | X = Y ),
    file('/export/starexec/sandbox2/benchmark/Axioms/HEN002-0.ax',less_equal_and_equal) ).

cnf(zero_divide_anything_is_zero,axiom,
    divide(zero,X) = zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',zero_divide_anything_is_zero) ).

cnf(x_divide_x_is_zero,axiom,
    divide(X,X) = zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',x_divide_x_is_zero) ).

cnf(a_divide_b_LE_d,hypothesis,
    less_equal(divide(a,b),d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_divide_b_LE_d) ).

cnf(prove_a_divide_d_LE_b,negated_conjecture,
    ~ less_equal(divide(a,d),b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_a_divide_d_LE_b) ).

cnf(13,plain,
    divide(divide(a,b),d) = zero,
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal1,a_divide_b_LE_d]) ).

cnf(14,plain,
    divide(divide(X,Y),X) = zero,
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal1,quotient_smaller_than_numerator]) ).

cnf(16,plain,
    divide(divide(a,d),b) != zero,
    inference('UR-RESOLVE',[status(thm)],[quotient_less_equal2,prove_a_divide_d_LE_b]) ).

cnf(17,plain,
    less_equal(divide(divide(X,Y),zero),divide(divide(X,zero),Y)),
    inference('PARAMODULATE',[status(thm)],[quotient_property,zero_divide_anything_is_zero,theory(equality)]) ).

cnf(22,plain,
    less_equal(divide(divide(a,d),divide(b,d)),zero),
    inference('PARAMODULATE',[status(thm)],[quotient_property,13,theory(equality)]) ).

cnf(25,plain,
    less_equal(divide(divide(X,Y),zero),divide(divide(X,divide(Y,Z)),Y)),
    inference('PARAMODULATE',[status(thm)],[quotient_property,14,theory(equality)]) ).

cnf(27,plain,
    ~ less_equal(divide(divide(a,d),b),zero),
    inference('UR-RESOLVE',[status(thm)],[less_equal_and_equal,16,zero_is_smallest]) ).

cnf(30,plain,
    divide(divide(a,d),divide(b,d)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,22,zero_is_smallest]) ).

cnf(35,plain,
    less_equal(divide(divide(X,divide(X,zero)),zero),zero),
    inference('PARAMODULATE',[status(thm)],[17,x_divide_x_is_zero,theory(equality)]) ).

cnf(43,plain,
    divide(divide(X,divide(X,zero)),zero) = zero,
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,35,zero_is_smallest]) ).

cnf(46,plain,
    less_equal(divide(X,divide(X,zero)),zero),
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal2,43]) ).

cnf(49,plain,
    divide(X,divide(X,zero)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,46,zero_is_smallest]) ).

cnf(50,plain,
    less_equal(X,divide(X,zero)),
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal2,49]) ).

cnf(56,plain,
    X = divide(X,zero),
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,50,quotient_smaller_than_numerator]) ).

cnf(61,plain,
    less_equal(divide(X,Y),divide(divide(X,divide(Y,Z)),Y)),
    inference('REWRITE',[status(thm)],[25,56,theory(equality)]) ).

cnf(70,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[61,30,theory(equality)]),27,zero_divide_anything_is_zero,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : HEN006-6 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n015.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 : Fri Jul  1 15:02:28 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.46  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.47  * 
% 0.19/0.47  * 
% 0.19/0.48  #<PACKAGE "SNARK-USER">
% 0.19/0.48  * 
% 0.19/0.48  SNARK-TPTP-OPTIONS
% 0.19/0.48  * 
% 0.19/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.48   (USE-FACTORING :POS)
% 0.19/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.48  * 
% 0.19/0.48  "."
% 0.19/0.48  * 
% 0.19/0.48  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-01T15:02:28
% 0.19/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n015.cluster.edu at 2022-07-01T15:02:28
% 0.19/0.54  
% 0.19/0.54  
% 0.19/0.54  #||
% 0.19/0.54  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.54  % SZS output start Refutation
% See solution above
% 0.19/0.54  ||#
% 0.19/0.54  
% 0.19/0.54  ; Summary of computation:
% 0.19/0.54  ;       493 formulas have been input or derived (from 40 formulas).
% 0.19/0.54  ;        70 (14%) were retained.  Of these,
% 0.19/0.54  ;           29 (41%) were simplified or subsumed later,
% 0.19/0.54  ;           41 (59%) are still being kept.
% 0.19/0.54  ; 
% 0.19/0.54  ; Run time in seconds excluding printing time:
% 0.19/0.54  ;     0.003   5%   Read assertion file          (1 call)
% 0.19/0.54  ;     0.000   0%   Assert                       (12 calls)
% 0.19/0.54  ;     0.005   9%   Process new row              (382 calls)
% 0.19/0.54  ;     0.008  14%   Resolution                   (78 calls)
% 0.19/0.54  ;     0.006  10%   Paramodulation               (39 calls)
% 0.19/0.54  ;     0.000   0%   Condensing                   (4 calls)
% 0.19/0.54  ;     0.001   2%   Forward subsumption          (4 calls)
% 0.19/0.54  ;     0.000   0%   Backward subsumption         (4 calls)
% 0.19/0.54  ;     0.008  14%   Forward simplification       (347 calls)
% 0.19/0.54  ;     0.003   5%   Backward simplification      (70 calls)
% 0.19/0.54  ;     0.001   2%   Ordering                     (319 calls)
% 0.19/0.54  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.19/0.54  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.54  ;     0.023  40%   Other
% 0.19/0.54  ;     0.058        Total
% 0.19/0.54  ;     0.061        Real time
% 0.19/0.54  ; 
% 0.19/0.54  ; Term-hash-array has 156 terms in all.
% 0.19/0.54  ; Feature-vector-row-index has 4 entries (4 at peak, 4 added, 0 deleted).
% 0.19/0.54  ; Feature-vector-row-index has 13 nodes (13 at peak, 13 added, 0 deleted).
% 0.19/0.54  ;  Retrieved 0 possibly forward subsuming rows in 4 calls.
% 0.19/0.54  ;  Retrieved 0 possibly backward subsumed rows in 4 calls.
% 0.19/0.54  ; Path-index has 103 entries (127 at peak, 175 added, 72 deleted).
% 0.19/0.54  ; Path-index has 251 nodes (267 at peak, 318 added, 67 deleted).
% 0.19/0.54  ; Trie-index has 103 entries (127 at peak, 175 added, 72 deleted).
% 0.19/0.54  ; Trie-index has 356 nodes (425 at peak, 598 added, 242 deleted).
% 0.19/0.54  ; Retrieved 1,125 generalization terms in 902 calls.
% 0.19/0.54  ; Retrieved 112 instance terms in 65 calls.
% 0.19/0.54  ; Retrieved 1,349 unifiable terms in 482 calls.
% 0.19/0.54  ; 
% 0.19/0.54  ; The agenda of rows to process has 14 entries:
% 0.19/0.54  ;     3 with value 18              3 with value 20               1 with value 23
% 0.19/0.54  ;     4 with value 19              2 with value 21               1 with value 24
% 0.19/0.54  ; The agenda of rows to give has 15 entries:
% 0.19/0.54  ;     2 with value (4 17)          3 with value (4 20)           1 with value (4 22)
% 0.19/0.54  ;     4 with value (4 18)          3 with value (4 21)           1 with value (4 23)
% 0.19/0.54  ;     1 with value (4 19)
% 0.19/0.54  Evaluation took:
% 0.19/0.54    0.062 seconds of real time
% 0.19/0.54    0.047768 seconds of user run time
% 0.19/0.54    0.014148 seconds of system run time
% 0.19/0.54    0 calls to %EVAL
% 0.19/0.54    0 page faults and
% 0.19/0.54    4,090,272 bytes consed.
% 0.19/0.54  :PROOF-FOUND
% 0.19/0.54  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-01T15:02:28
% 0.19/0.54  :PROOF-FOUND
% 0.19/0.54  * 
%------------------------------------------------------------------------------