TSTP Solution File: LAT039-1 by SNARK---20120808r022

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%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : LAT039-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n006.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 : Sun Jul 17 06:41:59 EDT 2022

% Result   : Unsatisfiable 0.55s 0.75s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    9 (   9 unt;   0 nHn;   5 RR)
%            Number of literals    :    9 (   8 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :    7 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(idempotence_of_meet,axiom,
    meet(X,X) = X,
    file('/export/starexec/sandbox/benchmark/Axioms/LAT001-0.ax',idempotence_of_meet) ).

cnf(absorption2,axiom,
    join(X,meet(X,Y)) = X,
    file('/export/starexec/sandbox/benchmark/Axioms/LAT001-0.ax',absorption2) ).

cnf(dist_meet,hypothesis,
    meet(X,join(Y,Z)) = join(meet(X,Y),meet(X,Z)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dist_meet) ).

cnf(lhs,hypothesis,
    join(xx,yy) = yy,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',lhs) ).

cnf(rhs,negated_conjecture,
    join(xx,meet(yy,zz)) != meet(yy,join(xx,zz)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rhs) ).

cnf(16,plain,
    join(xx,meet(yy,zz)) != join(meet(yy,xx),meet(yy,zz)),
    inference('REWRITE',[status(thm)],[rhs,dist_meet,theory(equality)]) ).

cnf(19,plain,
    meet(X,yy) = join(meet(xx,X),meet(X,yy)),
    inference('PARAMODULATE',[status(thm)],[dist_meet,lhs,theory(equality)]) ).

cnf(23,plain,
    meet(yy,xx) = xx,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[19,idempotence_of_meet,theory(equality)]),absorption2,theory(equality)]) ).

cnf(25,plain,
    $false,
    inference('REWRITE',[status(thm)],[16,23,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LAT039-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command  : run-snark %s %d
% 0.12/0.32  % Computer : n006.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Thu Jun 30 10:44:08 EDT 2022
% 0.12/0.32  % CPUTime  : 
% 0.17/0.43  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.44  * 
% 0.17/0.44  * 
% 0.17/0.45  #<PACKAGE "SNARK-USER">
% 0.17/0.45  * 
% 0.17/0.45  SNARK-TPTP-OPTIONS
% 0.17/0.45  * 
% 0.17/0.45  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.17/0.45   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.17/0.45   (USE-FACTORING :POS)
% 0.17/0.45   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.17/0.45   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.17/0.45   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.17/0.45   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.17/0.45   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.17/0.45   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.17/0.45   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.17/0.45   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.17/0.45   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.17/0.45   (DECLARE-TPTP-SYMBOLS2))
% 0.17/0.45  * 
% 0.17/0.45  "."
% 0.17/0.45  * 
% 0.17/0.45  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-30T10:44:08
% 0.17/0.45  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n006.cluster.edu at 2022-06-30T10:44:08
% 0.17/0.46  
% 0.17/0.46  ; Recognized commutativity assertion (= (|meet| ?X ?Y) (|meet| ?Y ?X)).
% 0.17/0.46  ; Recognized commutativity assertion (= (|join| ?X ?Y) (|join| ?Y ?X)).
% 0.17/0.46  ; Recognized associativity assertion (= (|meet| (|meet| ?X ?Y) ?Z) (|meet| ?X (|meet| ?Y ?Z))).
% 0.17/0.46  ; Recognized associativity assertion (= (|join| (|join| ?X ?Y) ?Z) (|join| ?X (|join| ?Y ?Z))).
% 0.17/0.46  ; Declaring meet to be commutative.
% 0.17/0.46  ; Declaring meet to be associative-commutative.
% 0.17/0.46  ; Declaring join to be commutative.
% 0.55/0.75  ; Declaring join to be associative-commutative.
% 0.55/0.75  
% 0.55/0.75  #||
% 0.55/0.75  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.55/0.75  % SZS output start Refutation
% See solution above
% 0.55/0.75  ||#
% 0.55/0.75  
% 0.55/0.75  ; Summary of computation:
% 0.55/0.75  ;       377 formulas have been input or derived (from 15 formulas).
% 0.55/0.75  ;        25 ( 7%) were retained.  Of these,
% 0.55/0.75  ;            6 (24%) were simplified or subsumed later,
% 0.55/0.75  ;           19 (76%) are still being kept.
% 0.55/0.75  ; 
% 0.55/0.75  ; Run time in seconds excluding printing time:
% 0.55/0.75  ;     0.003   1%   Read assertion file          (1 call)
% 0.55/0.75  ;     0.000   0%   Assert                       (12 calls)
% 0.55/0.75  ;     0.005   2%   Process new row              (341 calls)
% 0.55/0.75  ;     0.000   0%   Resolution                   (28 calls)
% 0.55/0.75  ;     0.014   5%   Paramodulation               (14 calls)
% 0.55/0.75  ;     0.000   0%   Embedding                    (11 calls)
% 0.55/0.75  ;     0.250  84%   Forward simplification       (330 calls)
% 0.55/0.75  ;     0.000   0%   Backward simplification      (13 calls)
% 0.55/0.75  ;     0.000   0%   Ordering                     (202 calls)
% 0.55/0.75  ;     0.000   0%   Ordering ac                  (120 calls)
% 0.55/0.75  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.55/0.75  ;     0.000   0%   Purity testing               (1 call)
% 0.55/0.75  ;     0.027   9%   Other
% 0.55/0.75  ;     0.299        Total
% 0.55/0.75  ;     0.301        Real time
% 0.55/0.75  ; 
% 0.55/0.75  ; Term-hash-array has 65 terms in all.
% 0.55/0.75  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.55/0.75  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.55/0.75  ; Path-index has 53 entries (55 at peak, 69 added, 16 deleted).
% 0.55/0.75  ; Path-index has 40 nodes (43 at peak, 46 added, 6 deleted).
% 0.55/0.75  ; Trie-index has 53 entries (55 at peak, 69 added, 16 deleted).
% 0.55/0.75  ; Trie-index has 18 nodes (18 at peak, 20 added, 2 deleted).
% 0.55/0.75  ; Retrieved 11,405 generalization terms in 4,488 calls.
% 0.55/0.75  ; Retrieved 23 instance terms in 12 calls.
% 0.55/0.75  ; Retrieved 256 unifiable terms in 73 calls.
% 0.55/0.75  ; 
% 0.55/0.75  ; The agenda of rows to process has 23 entries:
% 0.55/0.75  ;     2 with value 18              2 with value 26               2 with value 34
% 0.55/0.75  ;     3 with value 20              1 with value 27               1 with value 37
% 0.55/0.75  ;     1 with value 22              1 with value 30               1 with value 38
% 0.55/0.75  ;     2 with value 24              2 with value 32               2 with value 40
% 0.55/0.75  ;     1 with value 25              1 with value 33               1 with value 44
% 0.55/0.75  ; The agenda of rows to give has 5 entries:
% 0.55/0.75  ;     2 with value (4 9)           1 with value (4 15)           2 with value (4 18)
% 0.55/0.75  Evaluation took:
% 0.55/0.75    0.301 seconds of real time
% 0.55/0.75    0.288506 seconds of user run time
% 0.55/0.75    0.012054 seconds of system run time
% 0.55/0.75    [Run times include 0.007 seconds GC run time.]
% 0.55/0.75    0 calls to %EVAL
% 0.55/0.75    0 page faults and
% 0.55/0.75    28,607,888 bytes consed.
% 0.55/0.75  :PROOF-FOUND
% 0.55/0.75  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-30T10:44:08
% 0.55/0.75  :PROOF-FOUND
% 0.55/0.75  * 
%------------------------------------------------------------------------------