TSTP Solution File: GRP462-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP462-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n023.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 : Sat Jul 16 11:38:59 EDT 2022

% Result   : Unsatisfiable 0.20s 0.51s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   23 (  23 unt;   0 nHn;   5 RR)
%            Number of literals    :   23 (  22 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   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   :   38 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(single_axiom,axiom,
    divide(X,divide(divide(divide(identity,Y),Z),divide(divide(divide(X,X),X),Z))) = Y,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_axiom) ).

cnf(multiply,axiom,
    multiply(X,Y) = divide(X,divide(identity,Y)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiply) ).

cnf(inverse,axiom,
    inverse(X) = divide(identity,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse) ).

cnf(identity,axiom,
    identity = divide(X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity) ).

cnf(prove_these_axioms_3,negated_conjecture,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms_3) ).

cnf(6,plain,
    divide(X,divide(divide(inverse(Y),Z),divide(inverse(X),Z))) = Y,
    inference('REWRITE',[status(thm)],[single_axiom,identity,inverse,theory(equality)]) ).

cnf(7,plain,
    multiply(X,Y) = divide(X,inverse(Y)),
    inference('REWRITE',[status(thm)],[multiply,inverse,theory(equality)]) ).

cnf(8,plain,
    divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3)))),
    inference('REWRITE',[status(thm)],[prove_these_axioms_3,7,theory(equality)]) ).

cnf(9,plain,
    identity = inverse(identity),
    inference('PARAMODULATE',[status(thm)],[identity,inverse,theory(equality)]) ).

cnf(10,plain,
    divide(X,identity) = X,
    inference('PARAMODULATE',[status(thm)],[6,identity,theory(equality)]) ).

cnf(12,plain,
    divide(X,divide(inverse(Y),inverse(X))) = Y,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[6,identity,theory(equality)]),10,theory(equality)]) ).

cnf(13,plain,
    inverse(divide(divide(inverse(X),Y),inverse(Y))) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[inverse,6,theory(equality)]),inverse,9,theory(equality)]) ).

cnf(17,plain,
    inverse(inverse(X)) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[inverse,12,theory(equality)]),10,9,theory(equality)]) ).

cnf(21,plain,
    divide(X,divide(divide(inverse(Y),divide(inverse(Z),X)),Z)) = Y,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[6,12,theory(equality)]),17,theory(equality)]) ).

cnf(23,plain,
    divide(X,divide(Y,inverse(X))) = inverse(Y),
    inference('PARAMODULATE',[status(thm)],[12,17,theory(equality)]) ).

cnf(28,plain,
    inverse(X) = divide(divide(inverse(X),Y),inverse(Y)),
    inference('PARAMODULATE',[status(thm)],[17,13,theory(equality)]) ).

cnf(31,plain,
    X = divide(divide(X,Y),inverse(Y)),
    inference('PARAMODULATE',[status(thm)],[28,17,theory(equality)]) ).

cnf(32,plain,
    divide(X,Y) = inverse(divide(Y,X)),
    inference('PARAMODULATE',[status(thm)],[23,31,theory(equality)]) ).

cnf(33,plain,
    divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(c3),b3)),
    inference('REWRITE',[status(thm)],[8,32,theory(equality)]) ).

cnf(35,plain,
    X = divide(divide(X,divide(Y,Z)),divide(Z,Y)),
    inference('PARAMODULATE',[status(thm)],[31,32,theory(equality)]) ).

cnf(46,plain,
    divide(X,divide(divide(Y,divide(inverse(Z),X)),Z)) = inverse(Y),
    inference('PARAMODULATE',[status(thm)],[21,17,theory(equality)]) ).

cnf(54,plain,
    divide(X,divide(Y,Z)) = divide(divide(X,inverse(Z)),Y),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[46,35,theory(equality)]),32,theory(equality)]) ).

cnf(55,plain,
    $false,
    inference('REWRITE',[status(thm)],[33,54,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : GRP462-1 : TPTP v8.1.0. Released v2.6.0.
% 0.10/0.12  % Command  : run-snark %s %d
% 0.13/0.33  % Computer : n023.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 : Mon Jun 13 20:08:36 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.20/0.44  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.45  * 
% 0.20/0.45  * 
% 0.20/0.45  #<PACKAGE "SNARK-USER">
% 0.20/0.45  * 
% 0.20/0.45  SNARK-TPTP-OPTIONS
% 0.20/0.45  * 
% 0.20/0.45  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.45   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.45   (USE-FACTORING :POS)
% 0.20/0.45   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.45   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.45   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.45   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.45   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.45   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.45   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.45   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.45   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.46   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.46  * 
% 0.20/0.46  "."
% 0.20/0.46  * 
% 0.20/0.46  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T20:08:36
% 0.20/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n023.cluster.edu at 2022-06-13T20:08:36
% 0.20/0.51  
% 0.20/0.51  
% 0.20/0.51  #||
% 0.20/0.51  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.51  % SZS output start Refutation
% See solution above
% 0.20/0.51  ||#
% 0.20/0.51  
% 0.20/0.51  ; Summary of computation:
% 0.20/0.51  ;       373 formulas have been input or derived (from 28 formulas).
% 0.20/0.51  ;        55 (15%) were retained.  Of these,
% 0.20/0.51  ;           35 (64%) were simplified or subsumed later,
% 0.20/0.51  ;           20 (36%) are still being kept.
% 0.20/0.51  ; 
% 0.20/0.51  ; Run time in seconds excluding printing time:
% 0.20/0.51  ;     0.002   4%   Read assertion file          (1 call)
% 0.20/0.51  ;     0.000   0%   Assert                       (5 calls)
% 0.20/0.51  ;     0.008  15%   Process new row              (353 calls)
% 0.20/0.51  ;     0.001   2%   Resolution                   (54 calls)
% 0.20/0.51  ;     0.009  16%   Paramodulation               (27 calls)
% 0.20/0.51  ;     0.007  13%   Forward simplification       (285 calls)
% 0.20/0.51  ;     0.003   5%   Backward simplification      (55 calls)
% 0.20/0.51  ;     0.001   2%   Ordering                     (607 calls)
% 0.20/0.51  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.20/0.51  ;     0.000   0%   Purity testing               (1 call)
% 0.20/0.51  ;     0.024  44%   Other
% 0.20/0.51  ;     0.055        Total
% 0.20/0.51  ;     0.059        Real time
% 0.20/0.51  ; 
% 0.20/0.51  ; Term-hash-array has 205 terms in all.
% 0.20/0.51  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.20/0.51  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.20/0.51  ; Path-index has 63 entries (124 at peak, 224 added, 161 deleted).
% 0.20/0.51  ; Path-index has 288 nodes (353 at peak, 478 added, 190 deleted).
% 0.20/0.51  ; Trie-index has 63 entries (124 at peak, 224 added, 161 deleted).
% 0.20/0.51  ; Trie-index has 220 nodes (443 at peak, 820 added, 600 deleted).
% 0.20/0.51  ; Retrieved 954 generalization terms in 1,656 calls.
% 0.20/0.51  ; Retrieved 127 instance terms in 56 calls.
% 0.20/0.51  ; Retrieved 814 unifiable terms in 193 calls.
% 0.20/0.51  ; 
% 0.20/0.51  ; The agenda of backward simplifiable rows to process has 4 entries:
% 0.20/0.51  ;     4 with value 0
% 0.20/0.51  ; The agenda of rows to process has 14 entries:
% 0.20/0.51  ;     5 with value 26              1 with value 29               2 with value 32
% 0.20/0.51  ;     3 with value 27              1 with value 31               1 with value 33
% 0.20/0.51  ;     1 with value 28
% 0.20/0.51  ; The agenda of rows to give has 7 entries:
% 0.20/0.51  ;     1 with value (4 22)          1 with value (4 24)           1 with value (4 25)
% 0.20/0.51  ;     4 with value (4 23)
% 0.20/0.51  Evaluation took:
% 0.20/0.51    0.059 seconds of real time
% 0.20/0.51    0.053954 seconds of user run time
% 0.20/0.51    0.005156 seconds of system run time
% 0.20/0.51    0 calls to %EVAL
% 0.20/0.51    0 page faults and
% 0.20/0.51    4,327,688 bytes consed.
% 0.20/0.51  :PROOF-FOUND
% 0.20/0.51  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T20:08:36
% 0.20/0.51  :PROOF-FOUND
% 0.20/0.51  * 
%------------------------------------------------------------------------------