TSTP Solution File: PUZ031-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : PUZ031-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n021.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 : Mon Jul 18 18:26:46 EDT 2022

% Result   : Unsatisfiable 0.18s 0.50s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   20
% Syntax   : Number of clauses     :   37 (  22 unt;   1 nHn;  37 RR)
%            Number of literals    :   67 (   0 equ;  37 neg)
%            Maximal clause size   :    8 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   10 (   9 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-1 aty)
%            Number of variables   :   26 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(wolf_is_an_animal,axiom,
    ( animal(X)
    | ~ wolf(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wolf_is_an_animal) ).

cnf(fox_is_an_animal,axiom,
    ( animal(X)
    | ~ fox(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fox_is_an_animal) ).

cnf(bird_is_an_animal,axiom,
    ( animal(X)
    | ~ bird(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',bird_is_an_animal) ).

cnf(snail_is_an_animal,axiom,
    ( animal(X)
    | ~ snail(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',snail_is_an_animal) ).

cnf(there_is_a_wolf,axiom,
    wolf(a_wolf),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',there_is_a_wolf) ).

cnf(there_is_a_fox,axiom,
    fox(a_fox),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',there_is_a_fox) ).

cnf(there_is_a_bird,axiom,
    bird(a_bird),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',there_is_a_bird) ).

cnf(there_is_a_snail,axiom,
    snail(a_snail),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',there_is_a_snail) ).

cnf(there_is_a_grain,axiom,
    grain(a_grain),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',there_is_a_grain) ).

cnf(grain_is_a_plant,axiom,
    ( plant(X)
    | ~ grain(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',grain_is_a_plant) ).

cnf(eating_habits,axiom,
    ( eats(X,Y)
    | eats(X,Z)
    | ~ animal(X)
    | ~ plant(Y)
    | ~ animal(Z)
    | ~ plant(U)
    | ~ much_smaller(Z,X)
    | ~ eats(Z,U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',eating_habits) ).

cnf(snail_smaller_than_bird,axiom,
    ( much_smaller(X,Y)
    | ~ snail(X)
    | ~ bird(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',snail_smaller_than_bird) ).

cnf(bird_smaller_than_fox,axiom,
    ( much_smaller(X,Y)
    | ~ bird(X)
    | ~ fox(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',bird_smaller_than_fox) ).

cnf(fox_smaller_than_wolf,axiom,
    ( much_smaller(X,Y)
    | ~ fox(X)
    | ~ wolf(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fox_smaller_than_wolf) ).

cnf(wolf_dont_eat_fox,axiom,
    ( ~ wolf(X)
    | ~ fox(Y)
    | ~ eats(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wolf_dont_eat_fox) ).

cnf(wolf_dont_eat_grain,axiom,
    ( ~ wolf(X)
    | ~ grain(Y)
    | ~ eats(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wolf_dont_eat_grain) ).

cnf(bird_dont_eat_snail,axiom,
    ( ~ bird(X)
    | ~ snail(Y)
    | ~ eats(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',bird_dont_eat_snail) ).

cnf(snail_food_is_a_plant,axiom,
    ( plant(snail_food_of(X))
    | ~ snail(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',snail_food_is_a_plant) ).

cnf(snail_eats_snail_food,axiom,
    ( eats(X,snail_food_of(X))
    | ~ snail(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',snail_eats_snail_food) ).

cnf(prove_the_animal_exists,negated_conjecture,
    ( ~ animal(X)
    | ~ animal(Y)
    | ~ grain(Z)
    | ~ eats(X,Y)
    | ~ eats(Y,Z) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_the_animal_exists) ).

cnf(27,plain,
    animal(a_wolf),
    inference('HYPERRESOLVE',[status(thm)],[wolf_is_an_animal,there_is_a_wolf]) ).

cnf(28,plain,
    animal(a_fox),
    inference('HYPERRESOLVE',[status(thm)],[fox_is_an_animal,there_is_a_fox]) ).

cnf(29,plain,
    animal(a_bird),
    inference('HYPERRESOLVE',[status(thm)],[bird_is_an_animal,there_is_a_bird]) ).

cnf(31,plain,
    animal(a_snail),
    inference('HYPERRESOLVE',[status(thm)],[snail_is_an_animal,there_is_a_snail]) ).

cnf(32,plain,
    plant(a_grain),
    inference('HYPERRESOLVE',[status(thm)],[grain_is_a_plant,there_is_a_grain]) ).

cnf(34,plain,
    plant(snail_food_of(a_snail)),
    inference('HYPERRESOLVE',[status(thm)],[snail_food_is_a_plant,there_is_a_snail]) ).

cnf(36,plain,
    eats(a_snail,snail_food_of(a_snail)),
    inference('HYPERRESOLVE',[status(thm)],[snail_eats_snail_food,there_is_a_snail]) ).

cnf(38,plain,
    much_smaller(a_snail,a_bird),
    inference('HYPERRESOLVE',[status(thm)],[snail_smaller_than_bird,there_is_a_snail,there_is_a_bird]) ).

cnf(39,plain,
    much_smaller(a_bird,a_fox),
    inference('HYPERRESOLVE',[status(thm)],[bird_smaller_than_fox,there_is_a_bird,there_is_a_fox]) ).

cnf(40,plain,
    much_smaller(a_fox,a_wolf),
    inference('HYPERRESOLVE',[status(thm)],[fox_smaller_than_wolf,there_is_a_fox,there_is_a_wolf]) ).

cnf(41,plain,
    ~ eats(a_wolf,a_fox),
    inference('UR-RESOLVE',[status(thm)],[wolf_dont_eat_fox,there_is_a_wolf,there_is_a_fox]) ).

cnf(42,plain,
    ~ eats(a_wolf,a_grain),
    inference('UR-RESOLVE',[status(thm)],[wolf_dont_eat_grain,there_is_a_wolf,there_is_a_grain]) ).

cnf(44,plain,
    ~ eats(a_bird,a_snail),
    inference('UR-RESOLVE',[status(thm)],[bird_dont_eat_snail,there_is_a_bird,there_is_a_snail]) ).

cnf(45,plain,
    ~ eats(a_fox,a_grain),
    inference('UR-RESOLVE',[status(thm)],[eating_habits,42,41,27,32,28,32,40]) ).

cnf(53,plain,
    eats(a_bird,a_grain),
    inference('UR-RESOLVE',[status(thm)],[eating_habits,36,44,29,32,31,34,38]) ).

cnf(59,plain,
    eats(a_fox,a_bird),
    inference('UR-RESOLVE',[status(thm)],[eating_habits,53,45,28,32,29,32,39]) ).

cnf(63,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[prove_the_animal_exists,53,28,29,there_is_a_grain]),59]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ031-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : run-snark %s %d
% 0.13/0.33  % Computer : n021.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sat May 28 22:19:42 EDT 2022
% 0.13/0.33  % 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 2022-05-28T22:19:42
% 0.18/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n021.cluster.edu at 2022-05-28T22:19:42
% 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  ;        88 formulas have been input or derived (from 51 formulas).
% 0.18/0.50  ;        63 (72%) were retained.  Of these,
% 0.18/0.50  ;           63 (100%) are still being kept.
% 0.18/0.50  ; 
% 0.18/0.50  ; Run time in seconds excluding printing time:
% 0.18/0.50  ;     0.004  10%   Read assertion file          (1 call)
% 0.18/0.50  ;     0.001   2%   Assert                       (26 calls)
% 0.18/0.50  ;     0.002   5%   Process new row              (69 calls)
% 0.18/0.50  ;     0.008  19%   Resolution                   (100 calls)
% 0.18/0.50  ;     0.001   2%   Paramodulation               (50 calls)
% 0.18/0.50  ;     0.001   2%   Condensing                   (20 calls)
% 0.18/0.50  ;     0.000   0%   Forward subsumption          (20 calls)
% 0.18/0.51  ;     0.000   0%   Backward subsumption         (20 calls)
% 0.18/0.51  ;     0.002   5%   Forward simplification       (69 calls)
% 0.18/0.51  ;     0.000   0%   Backward simplification      (63 calls)
% 0.18/0.51  ;     0.000   0%   Ordering                     (2 calls)
% 0.18/0.51  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.18/0.51  ;     0.000   0%   Purity testing               (1 call)
% 0.18/0.51  ;     0.023  55%   Other
% 0.18/0.51  ;     0.042        Total
% 0.18/0.51  ;     0.046        Real time
% 0.18/0.51  ; 
% 0.18/0.51  ; Term-hash-array has 75 terms in all.
% 0.18/0.51  ; Feature-vector-row-index has 20 entries (20 at peak, 20 added, 0 deleted).
% 0.18/0.51  ; Feature-vector-row-index has 42 nodes (42 at peak, 42 added, 0 deleted).
% 0.18/0.51  ;  Retrieved 0 possibly forward subsuming rows in 20 calls.
% 0.18/0.51  ;  Retrieved 0 possibly backward subsumed rows in 20 calls.
% 0.18/0.51  ; Path-index has 81 entries (81 at peak, 81 added, 0 deleted).
% 0.18/0.51  ; Path-index has 88 nodes (88 at peak, 88 added, 0 deleted).
% 0.18/0.51  ; Trie-index has 81 entries (81 at peak, 81 added, 0 deleted).
% 0.18/0.51  ; Trie-index has 101 nodes (101 at peak, 101 added, 0 deleted).
% 0.18/0.51  ; Retrieved 10 generalization terms in 67 calls.
% 0.18/0.51  ; Retrieved 42 instance terms in 42 calls.
% 0.18/0.51  ; Retrieved 4,813 unifiable terms in 2,065 calls.
% 0.18/0.51  ; 
% 0.18/0.51  ; The agenda of rows to process has 4 entries:
% 0.18/0.51  ;     1 with value 7               1 with value 11               2 with value 13
% 0.18/0.51  ; The agenda of rows to give has 12 entries:
% 0.18/0.51  ;     3 with value (4 6)           5 with value (4 7)            4 with value (4 8)
% 0.18/0.51  Evaluation took:
% 0.18/0.51    0.046 seconds of real time
% 0.18/0.51    0.037249 seconds of user run time
% 0.18/0.51    0.008841 seconds of system run time
% 0.18/0.51    0 calls to %EVAL
% 0.18/0.51    0 page faults and
% 0.18/0.51    4,024,440 bytes consed.
% 0.18/0.51  :PROOF-FOUND
% 0.18/0.51  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-05-28T22:19:42
% 0.18/0.51  :PROOF-FOUND
% 0.18/0.51  * 
%------------------------------------------------------------------------------