TSTP Solution File: GRP581-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP581-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n007.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 08:48:04 EDT 2022

% Result   : Unsatisfiable 0.73s 1.07s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    8 (   8 unt;   0 nHn;   3 RR)
%            Number of literals    :    8 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-2 aty)
%            Number of variables   :    8 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)),C),
    file('GRP581-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),double_divide(double_divide(B,A),identity)),
    file('GRP581-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(inverse(A),double_divide(A,identity)),
    file('GRP581-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(double_divide(A,double_divide(A,identity)),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),1]),
    [iquote('demod([3]),flip(1)')] ).

cnf(5,plain,
    ~ equal(double_divide(identity,identity),identity),
    inference(demod,[status(thm),theory(equality)],[3,2,4]),
    [iquote('demod([3,2,4])')] ).

cnf(11,plain,
    equal(double_divide(double_divide(identity,double_divide(double_divide(identity,A),identity)),double_divide(identity,identity)),A),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(12,plain,
    equal(double_divide(identity,identity),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,11]),4,4]),1]),
    [iquote('para(4,11),demod([4,4]),flip(1)')] ).

cnf(13,plain,
    $false,
    inference(conflict,[status(thm)],[12,5]),
    [iquote('conflict(12,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP581-1 : TPTP v8.1.0. Released v2.6.0.
% 0.11/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n007.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jun 13 04:14:23 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.73/1.07  ----- EQP 0.9e, May 2009 -----
% 0.73/1.07  The job began on n007.cluster.edu, Mon Jun 13 04:14:24 2022
% 0.73/1.07  The command was "./eqp09e".
% 0.73/1.07  
% 0.73/1.07  set(prolog_style_variables).
% 0.73/1.07  set(lrpo).
% 0.73/1.07  set(basic_paramod).
% 0.73/1.07  set(functional_subsume).
% 0.73/1.07  set(ordered_paramod).
% 0.73/1.07  set(prime_paramod).
% 0.73/1.07  set(para_pairs).
% 0.73/1.07  assign(pick_given_ratio,4).
% 0.73/1.07  clear(print_kept).
% 0.73/1.07  clear(print_new_demod).
% 0.73/1.07  clear(print_back_demod).
% 0.73/1.07  clear(print_given).
% 0.73/1.07  assign(max_mem,64000).
% 0.73/1.07  end_of_commands.
% 0.73/1.07  
% 0.73/1.07  Usable:
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Sos:
% 0.73/1.07  0 (wt=-1) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.73/1.07  0 (wt=-1) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.73/1.07  0 (wt=-1) [] inverse(A) = double_divide(A,identity).
% 0.73/1.07  0 (wt=-1) [] identity = double_divide(A,inverse(A)).
% 0.73/1.07  0 (wt=-1) [] -(multiply(inverse(a1),a1) = identity).
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Demodulators:
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Passive:
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Starting to process input.
% 0.73/1.07  
% 0.73/1.07  ** KEPT: 1 (wt=17) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.73/1.07  1 is a new demodulator.
% 0.73/1.07  
% 0.73/1.07  ** KEPT: 2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.73/1.07  2 is a new demodulator.
% 0.73/1.07  
% 0.73/1.07  ** KEPT: 3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.73/1.07  3 is a new demodulator.
% 0.73/1.07  
% 0.73/1.07  ** KEPT: 4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.73/1.07  4 is a new demodulator.
% 0.73/1.07  
% 0.73/1.07  ** KEPT: 5 (wt=5) [demod([3,2,4])] -(double_divide(identity,identity) = identity).
% 0.73/1.07  ---------------- PROOF FOUND ----------------
% 0.73/1.07  % SZS status Unsatisfiable
% 0.73/1.07  
% 0.73/1.07  
% 0.73/1.07  After processing input:
% 0.73/1.07  
% 0.73/1.07  Usable:
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Sos:
% 0.73/1.07  5 (wt=5) [demod([3,2,4])] -(double_divide(identity,identity) = identity).
% 0.73/1.07  3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.73/1.07  4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.73/1.07  2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.73/1.07  1 (wt=17) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Demodulators:
% 0.73/1.07  1 (wt=17) [] double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(C,double_divide(B,A)))),double_divide(identity,identity)) = C.
% 0.73/1.07  2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.73/1.07  3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.73/1.07  4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  Passive:
% 0.73/1.07  end_of_list.
% 0.73/1.07  
% 0.73/1.07  UNIT CONFLICT from 12 and 5 at   0.00 seconds.
% 0.73/1.07  
% 0.73/1.07  ---------------- PROOF ----------------
% 0.73/1.07  % SZS output start Refutation
% See solution above
% 0.73/1.07  ------------ end of proof -------------
% 0.73/1.07  
% 0.73/1.07  
% 0.73/1.07  ------------- memory usage ------------
% 0.73/1.07  Memory dynamically allocated (tp_alloc): 488.
% 0.73/1.07    type (bytes each)        gets      frees     in use      avail      bytes
% 0.73/1.07  sym_ent (  96)               56          0         56          0      5.2 K
% 0.73/1.07  term (  16)                 834        661        173         21      3.7 K
% 0.73/1.07  gen_ptr (   8)              792         81        711          7      5.6 K
% 0.73/1.07  context ( 808)              485        483          2          2      3.2 K
% 0.73/1.07  trail (  12)                 17         17          0          4      0.0 K
% 0.73/1.07  bt_node (  68)              186        183          3         12      1.0 K
% 0.73/1.07  ac_position (285432)          0          0          0          0      0.0 K
% 0.73/1.07  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.73/1.07  ac_match_free_vars_pos (4020)
% 0.73/1.07                                0          0          0          0      0.0 K
% 0.73/1.07  discrim (  12)              216          0        216          0      2.5 K
% 0.73/1.07  flat (  40)                 884        884          0         25      1.0 K
% 0.73/1.07  discrim_pos (  12)            9          9          0          1      0.0 K
% 0.73/1.07  fpa_head (  12)             177          0        177          0      2.1 K
% 0.73/1.07  fpa_tree (  28)              58         58          0         15      0.4 K
% 0.73/1.07  fpa_pos (  36)               20         20          0          1      0.0 K
% 0.73/1.07  literal (  12)               32         20         12          1      0.2 K
% 0.73/1.07  clause (  24)                32         20         12          1      0.3 K
% 0.73/1.07  list (  12)                  67         11         56          3      0.7 K
% 0.73/1.07  list_pos (  20)              46          5         41          0      0.8 K
% 0.73/1.07  pair_index (   40)              2          0          2          0      0.1 K
% 0.73/1.07  
% 0.73/1.07  -------------- statistics -------------
% 0.73/1.07  Clauses input                  5
% 0.73/1.07    Usable input                   0
% 0.73/1.07    Sos input                      5
% 0.73/1.07    Demodulators input             0
% 0.73/1.07    Passive input                  0
% 0.73/1.07  
% 0.73/1.07  Processed BS (before search)   5
% 0.73/1.07  Forward subsumed BS            0
% 0.73/1.07  Kept BS                        5
% 0.73/1.07  New demodulators BS            4
% 0.73/1.07  Back demodulated BS            0
% 0.73/1.07  
% 0.73/1.07  Clauses or pairs given        18
% 0.73/1.07  Clauses generated             14
% 0.73/1.07  Forward subsumed               7
% 0.73/1.07  Deleted by weight              0
% 0.73/1.07  Deleted by variable count      0
% 0.73/1.07  Kept                           7
% 0.73/1.07  New demodulators               4
% 0.73/1.07  Back demodulated               0
% 0.73/1.07  Ordered paramod prunes         0
% 0.73/1.07  Basic paramod prunes           2
% 0.73/1.07  Prime paramod prunes           0
% 0.73/1.07  Semantic prunes                0
% 0.73/1.07  
% 0.73/1.07  Rewrite attmepts             212
% 0.73/1.07  Rewrites                       7
% 0.73/1.07  
% 0.73/1.07  FPA overloads                  0
% 0.73/1.07  FPA underloads                 0
% 0.73/1.07  
% 0.73/1.07  Usable size                    0
% 0.73/1.07  Sos size                      11
% 0.73/1.07  Demodulators size              8
% 0.73/1.07  Passive size                   0
% 0.73/1.07  Disabled size                  0
% 0.73/1.07  
% 0.73/1.07  Proofs found                   1
% 0.73/1.07  
% 0.73/1.07  ----------- times (seconds) ----------- Mon Jun 13 04:14:24 2022
% 0.73/1.07  
% 0.73/1.07  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.73/1.07  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.73/1.07  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.73/1.07  input time                0.00
% 0.73/1.07  paramodulation time       0.00
% 0.73/1.07  demodulation time         0.00
% 0.73/1.07  orient time               0.00
% 0.73/1.07  weigh time                0.00
% 0.73/1.07  forward subsume time      0.00
% 0.73/1.07  back demod find time      0.00
% 0.73/1.07  conflict time             0.00
% 0.73/1.07  LRPO time                 0.00
% 0.73/1.07  store clause time         0.00
% 0.73/1.07  disable clause time       0.00
% 0.73/1.07  prime paramod time        0.00
% 0.73/1.07  semantics time            0.00
% 0.73/1.07  
% 0.73/1.07  EQP interrupted
%------------------------------------------------------------------------------