TSTP Solution File: ROB004-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : ROB004-1 : TPTP v8.1.0. Released v1.0.0.
% 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 : Mon Jul 18 20:55:57 EDT 2022

% Result   : Unsatisfiable 0.18s 0.52s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   16 (  16 unt;   0 nHn;   5 RR)
%            Number of literals    :   16 (  15 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   13 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(robbins_axiom,axiom,
    negate(add(negate(add(X,Y)),negate(add(X,negate(Y))))) = X,
    file('/export/starexec/sandbox2/benchmark/Axioms/ROB001-0.ax',robbins_axiom) ).

cnf(negate_d_is_c,hypothesis,
    negate(d) = c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',negate_d_is_c) ).

cnf(c_plus_d_is_d,hypothesis,
    add(c,d) = d,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_plus_d_is_d) ).

cnf(4,plain,
    add(c,add(d,X)) = add(d,X),
    inference('EMBED',[status(thm)],[c_plus_d_is_d]) ).

cnf(c_plus_c_is_c,hypothesis,
    add(c,c) = c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_plus_c_is_c) ).

cnf(6,plain,
    add(c,add(c,X)) = add(c,X),
    inference('EMBED',[status(thm)],[c_plus_c_is_c]) ).

cnf(prove_huntingtons_axiom,negated_conjecture,
    add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))) != b,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_huntingtons_axiom) ).

cnf(10,plain,
    negate(add(negate(add(d,X)),negate(add(c,X)))) = X,
    inference('PARAMODULATE',[status(thm)],[robbins_axiom,negate_d_is_c,theory(equality)]) ).

cnf(13,plain,
    negate(add(negate(add(c,X)),negate(add(c,negate(add(c,X)))))) = c,
    inference('PARAMODULATE',[status(thm)],[robbins_axiom,6,theory(equality)]) ).

cnf(14,plain,
    X = add(c,X),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[robbins_axiom,4,theory(equality)]),10,c_plus_c_is_c,negate_d_is_c,theory(equality)]) ).

cnf(19,plain,
    negate(add(negate(X),negate(negate(X)))) = c,
    inference('REWRITE',[status(thm)],[13,14,theory(equality)]) ).

cnf(27,plain,
    negate(add(X,negate(X))) = c,
    inference('PARAMODULATE',[status(thm)],[19,robbins_axiom,theory(equality)]) ).

cnf(30,plain,
    negate(negate(add(X,negate(negate(X))))) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[robbins_axiom,27,theory(equality)]),14,theory(equality)]) ).

cnf(31,plain,
    X = negate(negate(X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[robbins_axiom,27,theory(equality)]),30,14,theory(equality)]) ).

cnf(54,plain,
    add(negate(add(X,Y)),negate(add(X,negate(Y)))) = negate(X),
    inference('PARAMODULATE',[status(thm)],[31,robbins_axiom,theory(equality)]) ).

cnf(56,plain,
    $false,
    inference('REWRITE',[status(thm)],[prove_huntingtons_axiom,31,54,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : ROB004-1 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.12  % 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 : Thu Jun  9 15:26:49 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.44  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.45  * 
% 0.18/0.45  * 
% 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/sandbox2/benchmark/theBenchmark.p 2022-06-09T15:26:49
% 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 2022-06-09T15:26:49
% 0.18/0.47  
% 0.18/0.47  ; Recognized commutativity assertion (= (|add| ?X ?Y) (|add| ?Y ?X)).
% 0.18/0.47  ; Recognized associativity assertion (= (|add| (|add| ?X ?Y) ?Z) (|add| ?X (|add| ?Y ?Z))).
% 0.18/0.47  ; Declaring add to be commutative.
% 0.18/0.52  ; Declaring add to be associative-commutative.
% 0.18/0.52  
% 0.18/0.52  #||
% 0.18/0.52  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.52  % SZS output start Refutation
% See solution above
% 0.18/0.52  ||#
% 0.18/0.52  
% 0.18/0.52  ; Summary of computation:
% 0.18/0.52  ;       181 formulas have been input or derived (from 18 formulas).
% 0.18/0.52  ;        56 (31%) were retained.  Of these,
% 0.18/0.52  ;           34 (61%) were simplified or subsumed later,
% 0.18/0.52  ;           22 (39%) are still being kept.
% 0.18/0.52  ; 
% 0.18/0.52  ; Run time in seconds excluding printing time:
% 0.18/0.52  ;     0.002   4%   Read assertion file          (1 call)
% 0.18/0.52  ;     0.001   2%   Assert                       (7 calls)
% 0.18/0.52  ;     0.008  14%   Process new row              (177 calls)
% 0.18/0.52  ;     0.000   0%   Resolution                   (34 calls)
% 0.18/0.52  ;     0.003   5%   Paramodulation               (17 calls)
% 0.18/0.52  ;     0.000   0%   Embedding                    (15 calls)
% 0.18/0.52  ;     0.011  20%   Forward simplification       (143 calls)
% 0.18/0.52  ;     0.004   7%   Backward simplification      (47 calls)
% 0.18/0.52  ;     0.004   7%   Ordering                     (213 calls)
% 0.18/0.52  ;     0.000   0%   Ordering ac                  (40 calls)
% 0.18/0.52  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.18/0.52  ;     0.000   0%   Purity testing               (1 call)
% 0.18/0.52  ;     0.023  41%   Other
% 0.18/0.52  ;     0.056        Total
% 0.18/0.52  ;     0.059        Real time
% 0.18/0.52  ; 
% 0.18/0.52  ; Term-hash-array has 200 terms in all.
% 0.18/0.52  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.18/0.52  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.18/0.52  ; Path-index has 74 entries (111 at peak, 213 added, 139 deleted).
% 0.18/0.52  ; Path-index has 92 nodes (140 at peak, 191 added, 99 deleted).
% 0.18/0.52  ; Trie-index has 74 entries (111 at peak, 213 added, 139 deleted).
% 0.18/0.52  ; Trie-index has 34 nodes (39 at peak, 56 added, 22 deleted).
% 0.18/0.52  ; Retrieved 3,481 generalization terms in 911 calls.
% 0.18/0.52  ; Retrieved 225 instance terms in 46 calls.
% 0.18/0.52  ; Retrieved 325 unifiable terms in 104 calls.
% 0.18/0.52  ; 
% 0.18/0.52  ; The agenda of rows to process has 1 entry:
% 0.18/0.52  ;     1 with value 23
% 0.18/0.52  ; The agenda of rows to give has 15 entries:
% 0.18/0.52  ;     2 with value (4 13)          2 with value (4 22)           1 with value (4 26)
% 0.18/0.52  ;     1 with value (4 16)          4 with value (4 23)           1 with value (4 32)
% 0.18/0.52  ;     2 with value (4 20)          2 with value (4 25)
% 0.18/0.52  Evaluation took:
% 0.18/0.52    0.059 seconds of real time
% 0.18/0.52    0.050936 seconds of user run time
% 0.18/0.52    0.00892 seconds of system run time
% 0.18/0.52    0 calls to %EVAL
% 0.18/0.52    0 page faults and
% 0.18/0.52    3,828,216 bytes consed.
% 0.18/0.52  :PROOF-FOUND
% 0.18/0.52  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-09T15:26:49
% 0.18/0.52  :PROOF-FOUND
% 0.18/0.52  * 
%------------------------------------------------------------------------------