TSTP Solution File: HEN010-4 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : HEN010-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n025.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 13:02:33 EDT 2022

% Result   : Unsatisfiable 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   20 (  16 unt;   0 nHn;   5 RR)
%            Number of literals    :   25 (  10 equ;   6 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    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   32 (   3 sgn)

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

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

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

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

cnf(property_of_divide1,axiom,
    ( ~ less_equal(divide(X,Y),Z)
    | less_equal(divide(X,Z),Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_divide1) ).

cnf(property_of_divide2,axiom,
    ( ~ less_equal(X,Y)
    | less_equal(divide(Z,Y),divide(Z,X)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_divide2) ).

cnf(one_inversion_equals_three,axiom,
    divide(identity,divide(identity,divide(identity,X))) = divide(identity,X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',one_inversion_equals_three) ).

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

cnf(20,plain,
    less_equal(X,X),
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal2,x_divide_x_is_zero]) ).

cnf(24,plain,
    less_equal(divide(X,Y),divide(X,divide(Y,Z))),
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide2,quotient_smaller_than_numerator]) ).

cnf(46,plain,
    less_equal(divide(X,divide(X,Y)),Y),
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide1,20]) ).

cnf(79,plain,
    divide(X,divide(X,zero)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,46,zero_is_smallest]) ).

cnf(109,plain,
    divide(divide(X,Y),Y) = divide(divide(X,Y),zero),
    inference('REWRITE',[status(thm)],[inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,24,quotient_property]),x_divide_x_is_zero,theory(equality)]) ).

cnf(127,plain,
    less_equal(X,divide(X,zero)),
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal2,79]) ).

cnf(129,plain,
    X = divide(X,zero),
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,127,quotient_smaller_than_numerator]) ).

cnf(132,plain,
    divide(divide(X,Y),Y) = divide(X,Y),
    inference('REWRITE',[status(thm)],[109,129,theory(equality)]) ).

cnf(176,plain,
    divide(divide(identity,X),divide(identity,divide(identity,X))) = divide(identity,X),
    inference('PARAMODULATE',[status(thm)],[132,one_inversion_equals_three,theory(equality)]) ).

cnf(177,plain,
    $false,
    inference('REWRITE',[status(thm)],[prove_property_of_inversion,176,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : HEN010-4 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : run-snark %s %d
% 0.11/0.33  % Computer : n025.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Fri Jul  1 14:40:39 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.19/0.44  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.44  * 
% 0.19/0.44  * 
% 0.19/0.45  #<PACKAGE "SNARK-USER">
% 0.19/0.45  * 
% 0.19/0.45  SNARK-TPTP-OPTIONS
% 0.19/0.45  * 
% 0.19/0.45  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.45   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.45   (USE-FACTORING :POS)
% 0.19/0.45   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.45   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.45   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.45   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.45   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.45   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.45   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.45   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.45   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.45   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.45  * 
% 0.19/0.45  "."
% 0.19/0.45  * 
% 0.19/0.45  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-01T14:40:39
% 0.19/0.45  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n025.cluster.edu at 2022-07-01T14:40:39
% 0.19/0.52  
% 0.19/0.52  
% 0.19/0.52  #||
% 0.19/0.52  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.52  % SZS output start Refutation
% See solution above
% 0.19/0.52  ||#
% 0.19/0.52  
% 0.19/0.52  ; Summary of computation:
% 0.19/0.52  ;      1145 formulas have been input or derived (from 42 formulas).
% 0.19/0.52  ;       177 (15%) were retained.  Of these,
% 0.19/0.52  ;           42 (24%) were simplified or subsumed later,
% 0.19/0.52  ;          135 (76%) are still being kept.
% 0.19/0.52  ; 
% 0.19/0.52  ; Run time in seconds excluding printing time:
% 0.19/0.52  ;     0.003   4%   Read assertion file          (1 call)
% 0.19/0.52  ;     0.000   0%   Assert                       (17 calls)
% 0.19/0.52  ;     0.015  21%   Process new row              (996 calls)
% 0.19/0.52  ;     0.012  17%   Resolution                   (82 calls)
% 0.19/0.52  ;     0.006   8%   Paramodulation               (41 calls)
% 0.19/0.52  ;     0.000   0%   Condensing                   (17 calls)
% 0.19/0.52  ;     0.000   0%   Forward subsumption          (17 calls)
% 0.19/0.52  ;     0.001   1%   Backward subsumption         (16 calls)
% 0.19/0.52  ;     0.001   1%   Clause clause subsumption    (14 calls)
% 0.19/0.52  ;     0.009  13%   Forward simplification       (926 calls)
% 0.19/0.52  ;     0.004   6%   Backward simplification      (177 calls)
% 0.19/0.52  ;     0.000   0%   Ordering                     (336 calls)
% 0.19/0.52  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.19/0.52  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.52  ;     0.020  28%   Other
% 0.19/0.52  ;     0.071        Total
% 0.19/0.52  ;     0.072        Real time
% 0.19/0.52  ; 
% 0.19/0.52  ; Term-hash-array has 368 terms in all.
% 0.19/0.52  ; Feature-vector-row-index has 12 entries (12 at peak, 16 added, 4 deleted).
% 0.19/0.52  ; Feature-vector-row-index has 35 nodes (48 at peak, 57 added, 22 deleted).
% 0.19/0.52  ;  Retrieved 9 possibly forward subsuming rows in 17 calls.
% 0.19/0.52  ;  Retrieved 6 possibly backward subsumed rows in 16 calls.
% 0.19/0.52  ; Path-index has 294 entries (299 at peak, 374 added, 80 deleted).
% 0.19/0.52  ; Path-index has 254 nodes (281 at peak, 294 added, 40 deleted).
% 0.19/0.52  ; Trie-index has 294 entries (299 at peak, 374 added, 80 deleted).
% 0.19/0.52  ; Trie-index has 735 nodes (763 at peak, 938 added, 203 deleted).
% 0.19/0.52  ; Retrieved 3,537 generalization terms in 2,112 calls.
% 0.19/0.52  ; Retrieved 451 instance terms in 162 calls.
% 0.19/0.52  ; Retrieved 7,698 unifiable terms in 793 calls.
% 0.19/0.52  ; 
% 0.19/0.52  ; The agenda of backward simplifiable rows to process has 1 entry:
% 0.19/0.52  ;     1 with value 0
% 0.19/0.52  ; The agenda of rows to process has 3 entries:
% 0.19/0.52  ;     3 with value 22
% 0.19/0.52  ; The agenda of rows to give has 105 entries:
% 0.19/0.52  ;     1 with value (4 14)         13 with value (4 19)           3 with value (4 23)
% 0.19/0.52  ;     3 with value (4 15)         21 with value (4 20)           1 with value (4 24)
% 0.19/0.52  ;    11 with value (4 16)         12 with value (4 21)           3 with value (4 25)
% 0.19/0.52  ;    12 with value (4 17)          6 with value (4 22)           2 with value (4 27)
% 0.19/0.52  ;    17 with value (4 18)
% 0.19/0.52  Evaluation took:
% 0.19/0.52    0.074 seconds of real time
% 0.19/0.52    0.063755 seconds of user run time
% 0.19/0.52    0.009863 seconds of system run time
% 0.19/0.52    0 calls to %EVAL
% 0.19/0.52    0 page faults and
% 0.19/0.52    5,421,448 bytes consed.
% 0.19/0.52  :PROOF-FOUND
% 0.19/0.52  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-01T14:40:39
% 0.19/0.52  :PROOF-FOUND
% 0.19/0.52  * 
%------------------------------------------------------------------------------