TSTP Solution File: BOO013-4 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : BOO013-4 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n024.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 23:48:56 EDT 2022

% Result   : Unsatisfiable 0.38s 0.58s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   12 (  12 unt;   0 nHn;   5 RR)
%            Number of literals    :   12 (  11 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(distributivity2,axiom,
    multiply(X,add(Y,Z)) = add(multiply(X,Y),multiply(X,Z)),
    file('/export/starexec/sandbox/benchmark/Axioms/BOO004-0.ax',distributivity2) ).

cnf(additive_id1,axiom,
    add(X,additive_identity) = X,
    file('/export/starexec/sandbox/benchmark/Axioms/BOO004-0.ax',additive_id1) ).

cnf(multiplicative_id1,axiom,
    multiply(X,multiplicative_identity) = X,
    file('/export/starexec/sandbox/benchmark/Axioms/BOO004-0.ax',multiplicative_id1) ).

cnf(additive_inverse1,axiom,
    add(X,inverse(X)) = multiplicative_identity,
    file('/export/starexec/sandbox/benchmark/Axioms/BOO004-0.ax',additive_inverse1) ).

cnf(multiplicative_inverse1,axiom,
    multiply(X,inverse(X)) = additive_identity,
    file('/export/starexec/sandbox/benchmark/Axioms/BOO004-0.ax',multiplicative_inverse1) ).

cnf(b_a_multiplicative_identity,hypothesis,
    add(a,b) = multiplicative_identity,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_a_multiplicative_identity) ).

cnf(b_an_additive_identity,hypothesis,
    multiply(a,b) = additive_identity,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_an_additive_identity) ).

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

cnf(13,plain,
    X = add(multiply(X,a),multiply(X,b)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[distributivity2,b_a_multiplicative_identity,theory(equality)]),multiplicative_id1,theory(equality)]) ).

cnf(15,plain,
    X = add(multiply(X,Y),multiply(X,inverse(Y))),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[distributivity2,additive_inverse1,theory(equality)]),multiplicative_id1,theory(equality)]) ).

cnf(43,plain,
    inverse(a) = multiply(inverse(a),b),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[13,multiplicative_inverse1,theory(equality)]),additive_id1,theory(equality)]) ).

cnf(162,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[15,b_an_additive_identity,theory(equality)]),prove_a_inverse_is_b,additive_id1,43,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : BOO013-4 : TPTP v8.1.0. Released v1.1.0.
% 0.07/0.12  % Command  : run-snark %s %d
% 0.12/0.33  % Computer : n024.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 16:02:36 EDT 2022
% 0.12/0.33  % 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 2022-06-01T16:02:36
% 0.18/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n024.cluster.edu at 2022-06-01T16:02:36
% 0.18/0.48  
% 0.18/0.48  ; Recognized commutativity assertion (= (|add| ?X ?Y) (|add| ?Y ?X)).
% 0.18/0.48  ; Recognized commutativity assertion (= (|multiply| ?X ?Y) (|multiply| ?Y ?X)).
% 0.18/0.48  ; Recognized right identity assertion (= (|add| ?X |additive_identity|) ?X).
% 0.18/0.48  ; Recognized right identity assertion (= (|multiply| ?X |multiplicative_identity|) ?X).
% 0.18/0.48  ; Recognized possible right inverse assertion (= (|add| ?X (|inverse| ?X)) |multiplicative_identity|).
% 0.18/0.48  ; Recognized possible right inverse assertion (= (|multiply| ?X (|inverse| ?X)) |additive_identity|).
% 0.18/0.48  ; Declaring add to be commutative.
% 0.38/0.58  ; Declaring multiply to be commutative.
% 0.38/0.58  
% 0.38/0.58  #||
% 0.38/0.58  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.38/0.58  % SZS output start Refutation
% See solution above
% 0.38/0.58  ||#
% 0.38/0.58  
% 0.38/0.58  ; Summary of computation:
% 0.38/0.58  ;       532 formulas have been input or derived (from 40 formulas).
% 0.38/0.58  ;       162 (30%) were retained.  Of these,
% 0.38/0.58  ;          113 (70%) were simplified or subsumed later,
% 0.38/0.58  ;           49 (30%) are still being kept.
% 0.38/0.58  ; 
% 0.38/0.58  ; Run time in seconds excluding printing time:
% 0.38/0.58  ;     0.002   2%   Read assertion file          (1 call)
% 0.38/0.58  ;     0.001   1%   Assert                       (11 calls)
% 0.38/0.58  ;     0.021  18%   Process new row              (480 calls)
% 0.38/0.58  ;     0.001   1%   Resolution                   (78 calls)
% 0.38/0.58  ;     0.008   7%   Paramodulation               (39 calls)
% 0.38/0.58  ;     0.038  33%   Forward simplification       (437 calls)
% 0.38/0.58  ;     0.018  16%   Backward simplification      (162 calls)
% 0.38/0.58  ;     0.006   5%   Ordering                     (877 calls)
% 0.38/0.58  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.38/0.58  ;     0.000   0%   Purity testing               (1 call)
% 0.38/0.58  ;     0.020  17%   Other
% 0.38/0.58  ;     0.115        Total
% 0.38/0.58  ;     0.118        Real time
% 0.38/0.58  ; 
% 0.38/0.58  ; Term-hash-array has 404 terms in all.
% 0.38/0.58  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.38/0.58  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.38/0.58  ; Path-index has 154 entries (289 at peak, 440 added, 286 deleted).
% 0.38/0.58  ; Path-index has 128 nodes (153 at peak, 160 added, 32 deleted).
% 0.38/0.58  ; Trie-index has 154 entries (289 at peak, 440 added, 286 deleted).
% 0.38/0.58  ; Trie-index has 666 nodes (1,305 at peak, 2,068 added, 1,402 deleted).
% 0.38/0.58  ; Retrieved 1,605 generalization terms in 2,184 calls.
% 0.38/0.58  ; Retrieved 831 instance terms in 167 calls.
% 0.38/0.58  ; Retrieved 1,392 unifiable terms in 233 calls.
% 0.38/0.58  ; 
% 0.38/0.58  ; The agenda of rows to process has 24 entries:
% 0.38/0.58  ;     5 with value 14              6 with value 18               1 with value 24
% 0.38/0.58  ;     4 with value 15              1 with value 19               1 with value 26
% 0.38/0.58  ;     4 with value 16              2 with value 23
% 0.38/0.58  ; The agenda of rows to give has 26 entries:
% 0.38/0.58  ;     1 with value (4 8)           2 with value (4 20)           2 with value (4 25)
% 0.38/0.58  ;     1 with value (4 9)           4 with value (4 21)           2 with value (4 29)
% 0.38/0.58  ;     4 with value (4 15)          1 with value (4 22)           1 with value (4 31)
% 0.38/0.58  ;     1 with value (4 16)          1 with value (4 23)           1 with value (4 33)
% 0.38/0.58  ;     2 with value (4 17)          1 with value (4 24)           1 with value (4 36)
% 0.38/0.58  ;     1 with value (4 19)
% 0.38/0.58  Evaluation took:
% 0.38/0.58    0.118 seconds of real time
% 0.38/0.58    0.109818 seconds of user run time
% 0.38/0.58    0.007851 seconds of system run time
% 0.38/0.58    0 calls to %EVAL
% 0.38/0.58    0 page faults and
% 0.38/0.58    7,927,120 bytes consed.
% 0.38/0.58  :PROOF-FOUND
% 0.38/0.58  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-01T16:02:36
% 0.38/0.58  :PROOF-FOUND
% 0.38/0.58  * 
%------------------------------------------------------------------------------