TSTP Solution File: HEN009-6 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : HEN009-6 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n012.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 0.36s 0.57s
% Output   : Refutation 0.36s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   32 (  27 unt;   0 nHn;  15 RR)
%            Number of literals    :   38 (  12 equ;   8 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   33 (   8 sgn)

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

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(identity_is_largest,axiom,
    less_equal(X,identity),
    file('/export/starexec/sandbox/benchmark/Axioms/HEN002-0.ax',identity_is_largest) ).

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_divide3,axiom,
    ( ~ less_equal(X,Y)
    | less_equal(divide(X,Z),divide(Y,Z)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_divide3) ).

cnf(id_divide_a_is_b,hypothesis,
    divide(identity,a) = b,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',id_divide_a_is_b) ).

cnf(id_divide_b_is_c,hypothesis,
    divide(identity,b) = c,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',id_divide_b_is_c) ).

cnf(id_divide_c_is_d,hypothesis,
    divide(identity,c) = d,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',id_divide_c_is_d) ).

cnf(prove_b_equals_d,negated_conjecture,
    b != d,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_b_equals_d) ).

cnf(19,plain,
    less_equal(X,X),
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal2,x_divide_x_is_zero]) ).

cnf(23,plain,
    less_equal(divide(X,Y),divide(identity,Y)),
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide3,identity_is_largest]) ).

cnf(30,plain,
    less_equal(divide(b,divide(X,a)),divide(divide(identity,X),a)),
    inference('PARAMODULATE',[status(thm)],[quotient_property,id_divide_a_is_b,theory(equality)]) ).

cnf(44,plain,
    less_equal(divide(X,divide(X,Y)),Y),
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide1,19]) ).

cnf(45,plain,
    less_equal(divide(X,a),b),
    inference('PARAMODULATE',[status(thm)],[23,id_divide_a_is_b,theory(equality)]) ).

cnf(46,plain,
    less_equal(divide(X,b),c),
    inference('PARAMODULATE',[status(thm)],[23,id_divide_b_is_c,theory(equality)]) ).

cnf(51,plain,
    less_equal(divide(X,b),a),
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide1,45]) ).

cnf(54,plain,
    less_equal(divide(X,c),b),
    inference('HYPERRESOLVE',[status(thm)],[property_of_divide1,46]) ).

cnf(60,plain,
    less_equal(c,a),
    inference('PARAMODULATE',[status(thm)],[51,id_divide_b_is_c,theory(equality)]) ).

cnf(63,plain,
    divide(c,a) = zero,
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal1,60]) ).

cnf(65,plain,
    less_equal(d,b),
    inference('PARAMODULATE',[status(thm)],[54,id_divide_c_is_d,theory(equality)]) ).

cnf(68,plain,
    ~ less_equal(b,d),
    inference('UR-RESOLVE',[status(thm)],[less_equal_and_equal,65,prove_b_equals_d]) ).

cnf(77,plain,
    divide(X,divide(X,zero)) = zero,
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,44,zero_is_smallest]) ).

cnf(117,plain,
    less_equal(X,divide(X,zero)),
    inference('HYPERRESOLVE',[status(thm)],[quotient_less_equal2,77]) ).

cnf(121,plain,
    X = divide(X,zero),
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,117,quotient_smaller_than_numerator]) ).

cnf(213,plain,
    less_equal(b,divide(d,a)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[30,id_divide_c_is_d,theory(equality)]),121,63,theory(equality)]) ).

cnf(220,plain,
    b = divide(d,a),
    inference('HYPERRESOLVE',[status(thm)],[less_equal_and_equal,213,45]) ).

cnf(224,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[quotient_smaller_than_numerator,220,theory(equality)]),68]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : HEN009-6 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n012.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 14:13:32 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.18/0.45  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.46  * 
% 0.18/0.46  * 
% 0.18/0.47  #<PACKAGE "SNARK-USER">
% 0.18/0.47  * 
% 0.18/0.47  SNARK-TPTP-OPTIONS
% 0.18/0.47  * 
% 0.18/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.18/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.18/0.47   (USE-FACTORING :POS)
% 0.18/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.18/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.18/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.18/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.18/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.18/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.18/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.18/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.18/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.18/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.18/0.47  * 
% 0.18/0.47  "."
% 0.18/0.47  * 
% 0.18/0.47  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-01T14:13:32
% 0.18/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n012.cluster.edu at 2022-07-01T14:13:32
% 0.36/0.57  
% 0.36/0.57  
% 0.36/0.57  #||
% 0.36/0.57  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.36/0.57  % SZS output start Refutation
% See solution above
% 0.36/0.57  ||#
% 0.36/0.57  
% 0.36/0.57  ; Summary of computation:
% 0.36/0.57  ;      1172 formulas have been input or derived (from 81 formulas).
% 0.36/0.57  ;       224 (19%) were retained.  Of these,
% 0.36/0.57  ;           51 (23%) were simplified or subsumed later,
% 0.36/0.57  ;          173 (77%) are still being kept.
% 0.36/0.57  ; 
% 0.36/0.57  ; Run time in seconds excluding printing time:
% 0.36/0.57  ;     0.003   3%   Read assertion file          (1 call)
% 0.36/0.57  ;     0.000   0%   Assert                       (17 calls)
% 0.36/0.57  ;     0.021  21%   Process new row              (913 calls)
% 0.36/0.57  ;     0.013  13%   Resolution                   (160 calls)
% 0.36/0.57  ;     0.009   9%   Paramodulation               (80 calls)
% 0.36/0.57  ;     0.001   1%   Condensing                   (23 calls)
% 0.36/0.57  ;     0.000   0%   Forward subsumption          (23 calls)
% 0.36/0.57  ;     0.000   0%   Backward subsumption         (23 calls)
% 0.36/0.57  ;     0.020  20%   Forward simplification       (851 calls)
% 0.36/0.57  ;     0.007   7%   Backward simplification      (224 calls)
% 0.36/0.57  ;     0.000   0%   Ordering                     (575 calls)
% 0.36/0.57  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.36/0.57  ;     0.000   0%   Purity testing               (1 call)
% 0.36/0.57  ;     0.028  27%   Other
% 0.36/0.57  ;     0.102        Total
% 0.36/0.57  ;     0.105        Real time
% 0.36/0.57  ; 
% 0.36/0.57  ; Term-hash-array has 435 terms in all.
% 0.36/0.57  ; Feature-vector-row-index has 23 entries (23 at peak, 23 added, 0 deleted).
% 0.36/0.57  ; Feature-vector-row-index has 86 nodes (86 at peak, 86 added, 0 deleted).
% 0.36/0.57  ;  Retrieved 0 possibly forward subsuming rows in 23 calls.
% 0.36/0.57  ;  Retrieved 0 possibly backward subsumed rows in 23 calls.
% 0.36/0.57  ; Path-index has 358 entries (359 at peak, 455 added, 97 deleted).
% 0.36/0.57  ; Path-index has 311 nodes (311 at peak, 352 added, 41 deleted).
% 0.36/0.57  ; Trie-index has 358 entries (359 at peak, 455 added, 97 deleted).
% 0.36/0.57  ; Trie-index has 965 nodes (973 at peak, 1,216 added, 251 deleted).
% 0.36/0.57  ; Retrieved 3,285 generalization terms in 2,223 calls.
% 0.36/0.57  ; Retrieved 295 instance terms in 200 calls.
% 0.36/0.57  ; Retrieved 3,508 unifiable terms in 908 calls.
% 0.36/0.57  ; 
% 0.36/0.57  ; The agenda of rows to process has 20 entries:
% 0.36/0.57  ;     1 with value 8               2 with value 13               1 with value 16
% 0.36/0.57  ;     6 with value 11              4 with value 14               3 with value 18
% 0.36/0.57  ;     2 with value 12              1 with value 15
% 0.36/0.57  ; The agenda of rows to give has 102 entries:
% 0.36/0.57  ;     1 with value (4 12)         10 with value (4 17)          15 with value (4 20)
% 0.36/0.57  ;    16 with value (4 15)         23 with value (4 18)           3 with value (4 21)
% 0.36/0.57  ;    14 with value (4 16)         14 with value (4 19)           6 with value (4 22)
% 0.36/0.57  Evaluation took:
% 0.36/0.57    0.105 seconds of real time
% 0.36/0.57    0.087035 seconds of user run time
% 0.36/0.57    0.017943 seconds of system run time
% 0.36/0.57    0 calls to %EVAL
% 0.36/0.57    0 page faults and
% 0.36/0.57    5,974,184 bytes consed.
% 0.36/0.57  :PROOF-FOUND
% 0.36/0.57  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-01T14:13:32
% 0.36/0.57  :PROOF-FOUND
% 0.36/0.57  * 
%------------------------------------------------------------------------------