TSTP Solution File: BOO021-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : BOO021-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n020.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 : Thu Jul 14 23:48:58 EDT 2022

% Result   : Unsatisfiable 0.18s 0.50s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    7 (   7 unt;   0 nHn;   2 RR)
%            Number of literals    :    7 (   6 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   10 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(multiply_add,axiom,
    multiply(add(X,Y),Y) = Y,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiply_add) ).

cnf(multiply_add_property,axiom,
    multiply(X,add(Y,Z)) = add(multiply(Y,X),multiply(Z,X)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiply_add_property) ).

cnf(add_multiply,axiom,
    add(multiply(X,Y),Y) = Y,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',add_multiply) ).

cnf(prove_commutativity_of_multiply,negated_conjecture,
    multiply(b,a) != multiply(a,b),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_commutativity_of_multiply) ).

cnf(12,plain,
    add(X,X) = X,
    inference('PARAMODULATE',[status(thm)],[add_multiply,multiply_add,theory(equality)]) ).

cnf(27,plain,
    multiply(X,Y) = multiply(Y,X),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[multiply_add_property,12,theory(equality)]),12,theory(equality)]) ).

cnf(28,plain,
    $false,
    inference('REWRITE',[status(thm)],[prove_commutativity_of_multiply,27,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : BOO021-1 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.12  % Command  : run-snark %s %d
% 0.12/0.33  % Computer : n020.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 : Wed Jun  1 22:55:08 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.18/0.45  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.46  * 
% 0.18/0.46  * 
% 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/sandbox/benchmark/theBenchmark.p 2022-06-01T22:55:08
% 0.18/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n020.cluster.edu at 2022-06-01T22:55:08
% 0.18/0.48  
% 0.18/0.48  ; Recognized possible right inverse assertion (= (|add| ?X (|inverse| ?X)) |n1|).
% 0.18/0.50  ; Recognized possible right inverse assertion (= (|multiply| ?X (|inverse| ?X)) |n0|).
% 0.18/0.50  
% 0.18/0.50  #||
% 0.18/0.50  % SZS status Unsatisfiable for /export/starexec/sandbox/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  ;        42 formulas have been input or derived (from 10 formulas).
% 0.18/0.50  ;        28 (67%) were retained.  Of these,
% 0.18/0.50  ;            4 (14%) were simplified or subsumed later,
% 0.18/0.50  ;           24 (86%) are still being kept.
% 0.18/0.50  ; 
% 0.18/0.50  ; Run time in seconds excluding printing time:
% 0.18/0.50  ;     0.001   3%   Read assertion file          (1 call)
% 0.18/0.50  ;     0.001   3%   Assert                       (7 calls)
% 0.18/0.50  ;     0.003  10%   Process new row              (40 calls)
% 0.18/0.50  ;     0.000   0%   Resolution                   (18 calls)
% 0.18/0.50  ;     0.002   6%   Paramodulation               (9 calls)
% 0.18/0.50  ;     0.001   3%   Forward simplification       (40 calls)
% 0.18/0.50  ;     0.000   0%   Backward simplification      (27 calls)
% 0.18/0.50  ;     0.001   3%   Ordering                     (96 calls)
% 0.18/0.50  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.18/0.50  ;     0.000   0%   Purity testing               (1 call)
% 0.18/0.50  ;     0.022  71%   Other
% 0.18/0.50  ;     0.031        Total
% 0.18/0.50  ;     0.032        Real time
% 0.18/0.50  ; 
% 0.18/0.50  ; Term-hash-array has 93 terms in all.
% 0.18/0.50  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.18/0.50  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.18/0.50  ; Path-index has 86 entries (91 at peak, 101 added, 15 deleted).
% 0.18/0.50  ; Path-index has 304 nodes (314 at peak, 330 added, 26 deleted).
% 0.18/0.50  ; Trie-index has 86 entries (91 at peak, 101 added, 15 deleted).
% 0.18/0.50  ; Trie-index has 336 nodes (352 at peak, 393 added, 57 deleted).
% 0.18/0.50  ; Retrieved 166 generalization terms in 183 calls.
% 0.18/0.50  ; Retrieved 90 instance terms in 26 calls.
% 0.18/0.50  ; Retrieved 128 unifiable terms in 47 calls.
% 0.18/0.50  ; 
% 0.18/0.50  ; The agenda of rows to process has 1 entry:
% 0.18/0.50  ;     1 with value 16
% 0.18/0.50  ; The agenda of rows to give has 15 entries:
% 0.18/0.50  ;     1 with value (4 10)          2 with value (4 17)           2 with value (4 21)
% 0.18/0.50  ;     3 with value (4 11)          2 with value (4 18)           1 with value (4 29)
% 0.18/0.50  ;     1 with value (4 12)          1 with value (4 20)           1 with value (4 33)
% 0.18/0.50  ;     1 with value (4 14)
% 0.18/0.50  Evaluation took:
% 0.18/0.50    0.033 seconds of real time
% 0.18/0.50    0.026402 seconds of user run time
% 0.18/0.50    0.006409 seconds of system run time
% 0.18/0.50    0 calls to %EVAL
% 0.18/0.50    0 page faults and
% 0.18/0.50    1,846,424 bytes consed.
% 0.18/0.50  :PROOF-FOUND
% 0.18/0.50  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-01T22:55:08
% 0.18/0.50  :PROOF-FOUND
% 0.18/0.50  * 
%------------------------------------------------------------------------------