TSTP Solution File: LAT005-2 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : LAT005-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n008.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 06:41:46 EDT 2022

% Result   : Unsatisfiable 0.59s 0.81s
% Output   : Refutation 0.59s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   24 (  21 unt;   0 nHn;  22 RR)
%            Number of literals    :   32 (   0 equ;  10 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;  11 con; 0-0 aty)
%            Number of variables   :   17 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(join_0_and_x,axiom,
    join(n0,X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',join_0_and_x) ).

cnf(meet_0_and_x,axiom,
    meet(n0,X,n0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_0_and_x) ).

cnf(absorbtion2,axiom,
    ( ~ join(X,Y,Z)
    | meet(X,Z,X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',absorbtion2) ).

cnf(associativity_of_meet1,axiom,
    ( ~ meet(X,Y,Z)
    | ~ meet(Y,U,V)
    | ~ meet(X,V,W)
    | meet(Z,U,W) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity_of_meet1) ).

cnf(modularity2,axiom,
    ( ~ meet(X,Y,X)
    | ~ join(X,Z,U)
    | ~ meet(Z,Y,V)
    | ~ join(X,V,W)
    | meet(Y,U,W) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',modularity2) ).

cnf(meet_a2_and_b2,negated_conjecture,
    ~ meet(a2,b2,r1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_a2_and_b2) ).

cnf(meet_a_and_b,negated_conjecture,
    meet(a,b,c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_a_and_b) ).

cnf(meet_c_and_r2,negated_conjecture,
    meet(c,r2,n0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_c_and_r2) ).

cnf(meet_r2_and_b,negated_conjecture,
    meet(r2,b,e),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_r2_and_b) ).

cnf(join_a_and_b,negated_conjecture,
    join(a,b,c2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',join_a_and_b) ).

cnf(meet_c2_and_r1,negated_conjecture,
    meet(c2,r1,n0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_c2_and_r1) ).

cnf(meet_r2_and_a,negated_conjecture,
    meet(r2,a,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',meet_r2_and_a) ).

cnf(join_r1_and_e,negated_conjecture,
    join(r1,e,a2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',join_r1_and_e) ).

cnf(join_r1_and_d,negated_conjecture,
    join(r1,d,b2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',join_r1_and_d) ).

cnf(30,plain,
    meet(a,c2,a),
    inference('HYPERRESOLVE',[status(thm)],[absorbtion2,join_a_and_b]) ).

cnf(31,plain,
    meet(b,c2,b),
    inference('HYPERRESOLVE',[status(thm)],[absorbtion2,join_a_and_b]) ).

cnf(32,plain,
    meet(r1,b2,r1),
    inference('HYPERRESOLVE',[status(thm)],[absorbtion2,join_r1_and_d]) ).

cnf(36,plain,
    meet(d,b,n0),
    inference('HYPERRESOLVE',[status(thm)],[associativity_of_meet1,meet_r2_and_a,meet_a_and_b,meet_c_and_r2]) ).

cnf(61,plain,
    meet(d,c2,d),
    inference('HYPERRESOLVE',[status(thm)],[associativity_of_meet1,30,meet_r2_and_a,meet_r2_and_a]) ).

cnf(63,plain,
    meet(e,c2,e),
    inference('HYPERRESOLVE',[status(thm)],[associativity_of_meet1,31,meet_r2_and_b,meet_r2_and_b]) ).

cnf(71,plain,
    ~ meet(e,b2,n0),
    inference('UR-RESOLVE',[status(thm)],[modularity2,32,join_r1_and_e,join_0_and_x,meet_a2_and_b2]) ).

cnf(82,plain,
    meet(e,d,n0),
    inference('HYPERRESOLVE',[status(thm)],[associativity_of_meet1,36,meet_r2_and_b,meet_0_and_x]) ).

cnf(90,plain,
    meet(c2,b2,d),
    inference('HYPERRESOLVE',[status(thm)],[modularity2,61,join_r1_and_d,meet_c2_and_r1,join_0_and_x]) ).

cnf(246,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[associativity_of_meet1,82,63,71]),90]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LAT005-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run-snark %s %d
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Thu Jun 30 11:25:08 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.45  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.46  * 
% 0.19/0.46  * 
% 0.19/0.46  #<PACKAGE "SNARK-USER">
% 0.19/0.46  * 
% 0.19/0.46  SNARK-TPTP-OPTIONS
% 0.19/0.46  * 
% 0.19/0.46  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.46   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.46   (USE-FACTORING :POS)
% 0.19/0.46   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.46   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.46   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.46   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.46   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.46   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.46   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.46   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.46   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.46   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.46  * 
% 0.19/0.46  "."
% 0.19/0.46  * 
% 0.19/0.46  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-30T11:25:08
% 0.19/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n008.cluster.edu at 2022-06-30T11:25:08
% 0.19/0.48  
% 0.19/0.48  ; Recognized possible left identity assertion (|join| |n0| ?X ?X).
% 0.19/0.48  ; Recognized possible right identity assertion (|join| ?X |n0| ?X).
% 0.19/0.48  ; Recognized possible left identity assertion (|meet| |n1| ?X ?X).
% 0.19/0.48  ; Recognized possible right identity assertion (|meet| ?X |n1| ?X).
% 0.19/0.48  ; Recognized commutativity assertion (OR (NOT (|meet| ?X ?Y ?Z)) (|meet| ?Y ?X ?Z)).
% 0.19/0.48  ; Recognized commutativity assertion (OR (NOT (|join| ?X ?Y ?Z)) (|join| ?Y ?X ?Z)).
% 0.19/0.48  ; Recognized possible associativity assertion (OR (NOT (|meet| ?X ?Y ?Z)) (NOT (|meet| ?Y ?U ?V)) (NOT (|meet| ?X ?V ?W)) (|meet| ?Z ?U ?W)).
% 0.19/0.48  ; Recognized possible associativity assertion (OR (NOT (|meet| ?X ?Y ?Z)) (NOT (|meet| ?Y ?U ?V)) (NOT (|meet| ?Z ?U ?W)) (|meet| ?X ?V ?W)).
% 0.19/0.48  ; Recognized possible associativity assertion (OR (NOT (|join| ?X ?Y ?Z)) (NOT (|join| ?Y ?U ?V)) (NOT (|join| ?X ?V ?W)) (|join| ?Z ?U ?W)).
% 0.19/0.48  ; Recognized possible associativity assertion (OR (NOT (|join| ?X ?Y ?Z)) (NOT (|join| ?Y ?U ?V)) (NOT (|join| ?Z ?U ?W)) (|join| ?X ?V ?W)).
% 0.19/0.48  ; Declaring join to be commutative.
% 0.59/0.81  ; Declaring meet to be commutative.
% 0.59/0.81  
% 0.59/0.81  #||
% 0.59/0.81  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.59/0.81  % SZS output start Refutation
% See solution above
% 0.59/0.81  ||#
% 0.59/0.81  
% 0.59/0.81  ; Summary of computation:
% 0.59/0.81  ;      6877 formulas have been input or derived (from 80 formulas).
% 0.59/0.81  ;       246 ( 4%) were retained.  Of these,
% 0.59/0.81  ;           33 (13%) were simplified or subsumed later,
% 0.59/0.81  ;          213 (87%) are still being kept.
% 0.59/0.81  ; 
% 0.59/0.81  ; Run time in seconds excluding printing time:
% 0.59/0.81  ;     0.005   1%   Read assertion file          (1 call)
% 0.59/0.81  ;     0.001   0%   Assert                       (31 calls)
% 0.59/0.81  ;     0.027   8%   Process new row              (5,119 calls)
% 0.59/0.81  ;     0.247  72%   Resolution                   (158 calls)
% 0.59/0.81  ;     0.000   0%   Paramodulation               (79 calls)
% 0.59/0.81  ;     0.001   0%   Condensing                   (8 calls)
% 0.59/0.81  ;     0.000   0%   Forward subsumption          (8 calls)
% 0.59/0.81  ;     0.000   0%   Backward subsumption         (6 calls)
% 0.59/0.81  ;     0.000   0%   Clause clause subsumption    (4 calls)
% 0.59/0.81  ;     0.019   6%   Forward simplification       (5,018 calls)
% 0.59/0.81  ;     0.001   0%   Backward simplification      (246 calls)
% 0.59/0.81  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.59/0.81  ;     0.001   0%   Purity testing               (1 call)
% 0.59/0.81  ;     0.041  12%   Other
% 0.59/0.81  ;     0.343        Total
% 0.59/0.81  ;     0.345        Real time
% 0.59/0.81  ; 
% 0.59/0.81  ; Term-hash-array has 253 terms in all.
% 0.59/0.81  ; Feature-vector-row-index has 6 entries (6 at peak, 6 added, 0 deleted).
% 0.59/0.81  ; Feature-vector-row-index has 13 nodes (13 at peak, 13 added, 0 deleted).
% 0.59/0.81  ;  Retrieved 4 possibly forward subsuming rows in 8 calls.
% 0.59/0.81  ;  Retrieved 0 possibly backward subsumed rows in 6 calls.
% 0.59/0.81  ; Path-index has 232 entries (232 at peak, 265 added, 33 deleted).
% 0.59/0.81  ; Path-index has 68 nodes (68 at peak, 68 added, 0 deleted).
% 0.59/0.81  ; Trie-index has 232 entries (232 at peak, 265 added, 33 deleted).
% 0.59/0.81  ; Trie-index has 353 nodes (353 at peak, 404 added, 51 deleted).
% 0.59/0.81  ; Retrieved 5,548 generalization terms in 5,036 calls.
% 0.59/0.81  ; Retrieved 325 instance terms in 239 calls.
% 0.59/0.81  ; Retrieved 189,872 unifiable terms in 31,227 calls.
% 0.59/0.81  ; 
% 0.59/0.81  ; The agenda of rows to process has 42 entries:
% 0.59/0.81  ;    42 with value 8
% 0.59/0.81  ; The agenda of rows to give has 138 entries:
% 0.59/0.81  ;     3 with value (4 7)         135 with value (4 8)
% 0.59/0.81  Evaluation took:
% 0.59/0.81    0.346 seconds of real time
% 0.59/0.81    0.317046 seconds of user run time
% 0.59/0.81    0.028742 seconds of system run time
% 0.59/0.81    [Run times include 0.005 seconds GC run time.]
% 0.59/0.81    0 calls to %EVAL
% 0.59/0.81    0 page faults and
% 0.59/0.81    22,110,096 bytes consed.
% 0.59/0.81  :PROOF-FOUND
% 0.59/0.81  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-30T11:25:08
% 0.59/0.81  :PROOF-FOUND
% 0.59/0.81  * 
%------------------------------------------------------------------------------