TSTP Solution File: GRP493-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP493-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% 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 : Sat Jul 16 08:47:40 EDT 2022

% Result   : Unsatisfiable 0.74s 1.09s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    9 (   9 unt;   0 nHn;   3 RR)
%            Number of literals    :    9 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   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   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,C),double_divide(identity,identity)),double_divide(A,C))),B),
    file('GRP493-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),double_divide(double_divide(B,A),identity)),
    file('GRP493-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(inverse(A),double_divide(A,identity)),
    file('GRP493-1.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(9,plain,
    equal(double_divide(double_divide(identity,A),double_divide(identity,double_divide(A,double_divide(B,identity)))),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,1]),4]),
    [iquote('para(4,1),demod([4])')] ).

cnf(16,plain,
    equal(double_divide(double_divide(identity,A),double_divide(identity,identity)),A),
    inference(para,[status(thm),theory(equality)],[4,9]),
    [iquote('para(4,9)')] ).

cnf(18,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)],[4,16]),4]),1]),
    [iquote('para(4,16),demod([4]),flip(1)')] ).

cnf(19,plain,
    $false,
    inference(conflict,[status(thm)],[18,5]),
    [iquote('conflict(18,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP493-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n024.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 : Tue Jun 14 13:20:18 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.74/1.09  ----- EQP 0.9e, May 2009 -----
% 0.74/1.09  The job began on n024.cluster.edu, Tue Jun 14 13:20:19 2022
% 0.74/1.09  The command was "./eqp09e".
% 0.74/1.09  
% 0.74/1.09  set(prolog_style_variables).
% 0.74/1.09  set(lrpo).
% 0.74/1.09  set(basic_paramod).
% 0.74/1.09  set(functional_subsume).
% 0.74/1.09  set(ordered_paramod).
% 0.74/1.09  set(prime_paramod).
% 0.74/1.09  set(para_pairs).
% 0.74/1.09  assign(pick_given_ratio,4).
% 0.74/1.09  clear(print_kept).
% 0.74/1.09  clear(print_new_demod).
% 0.74/1.09  clear(print_back_demod).
% 0.74/1.09  clear(print_given).
% 0.74/1.09  assign(max_mem,64000).
% 0.74/1.09  end_of_commands.
% 0.74/1.09  
% 0.74/1.09  Usable:
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Sos:
% 0.74/1.09  0 (wt=-1) [] double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,C),double_divide(identity,identity)),double_divide(A,C))) = B.
% 0.74/1.09  0 (wt=-1) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.74/1.09  0 (wt=-1) [] inverse(A) = double_divide(A,identity).
% 0.74/1.09  0 (wt=-1) [] identity = double_divide(A,inverse(A)).
% 0.74/1.09  0 (wt=-1) [] -(multiply(inverse(a1),a1) = identity).
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Demodulators:
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Passive:
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Starting to process input.
% 0.74/1.09  
% 0.74/1.09  ** KEPT: 1 (wt=17) [] double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,C),double_divide(identity,identity)),double_divide(A,C))) = B.
% 0.74/1.09  1 is a new demodulator.
% 0.74/1.09  
% 0.74/1.09  ** KEPT: 2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.74/1.09  2 is a new demodulator.
% 0.74/1.09  
% 0.74/1.09  ** KEPT: 3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.74/1.09  3 is a new demodulator.
% 0.74/1.09  
% 0.74/1.09  ** KEPT: 4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.74/1.09  4 is a new demodulator.
% 0.74/1.09  
% 0.74/1.09  ** KEPT: 5 (wt=5) [demod([3,2,4])] -(double_divide(identity,identity) = identity).
% 0.74/1.09  ---------------- PROOF FOUND ----------------
% 0.74/1.09  % SZS status Unsatisfiable
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  After processing input:
% 0.74/1.09  
% 0.74/1.09  Usable:
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Sos:
% 0.74/1.09  5 (wt=5) [demod([3,2,4])] -(double_divide(identity,identity) = identity).
% 0.74/1.09  3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.74/1.09  4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.74/1.09  2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.74/1.09  1 (wt=17) [] double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,C),double_divide(identity,identity)),double_divide(A,C))) = B.
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Demodulators:
% 0.74/1.09  1 (wt=17) [] double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,C),double_divide(identity,identity)),double_divide(A,C))) = B.
% 0.74/1.09  2 (wt=9) [] multiply(A,B) = double_divide(double_divide(B,A),identity).
% 0.74/1.09  3 (wt=6) [] inverse(A) = double_divide(A,identity).
% 0.74/1.09  4 (wt=7) [demod([3]),flip(1)] double_divide(A,double_divide(A,identity)) = identity.
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  Passive:
% 0.74/1.09  end_of_list.
% 0.74/1.09  
% 0.74/1.09  UNIT CONFLICT from 18 and 5 at   0.00 seconds.
% 0.74/1.09  
% 0.74/1.09  ---------------- PROOF ----------------
% 0.74/1.09  % SZS output start Refutation
% See solution above
% 0.74/1.09  ------------ end of proof -------------
% 0.74/1.09  
% 0.74/1.09  
% 0.74/1.09  ------------- memory usage ------------
% 0.74/1.09  Memory dynamically allocated (tp_alloc): 488.
% 0.74/1.09    type (bytes each)        gets      frees     in use      avail      bytes
% 0.74/1.09  sym_ent (  96)               56          0         56          0      5.2 K
% 0.74/1.09  term (  16)                1058        747        311         21      6.4 K
% 0.74/1.09  gen_ptr (   8)             1651        155       1496          8     11.8 K
% 0.74/1.09  context ( 808)              738        736          2          2      3.2 K
% 0.74/1.09  trail (  12)                 47         47          0          5      0.1 K
% 0.74/1.09  bt_node (  68)              310        307          3         12      1.0 K
% 0.74/1.09  ac_position (285432)          0          0          0          0      0.0 K
% 0.74/1.09  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.74/1.09  ac_match_free_vars_pos (4020)
% 0.74/1.09                                0          0          0          0      0.0 K
% 0.74/1.09  discrim (  12)              403         55        348          8      4.2 K
% 0.74/1.09  flat (  40)                1395       1395          0         25      1.0 K
% 0.74/1.09  discrim_pos (  12)            9          9          0          1      0.0 K
% 0.74/1.09  fpa_head (  12)             258          0        258          0      3.0 K
% 0.74/1.09  fpa_tree (  28)             154        154          0         19      0.5 K
% 0.74/1.09  fpa_pos (  36)               34         34          0          1      0.0 K
% 0.74/1.09  literal (  12)               41         23         18          1      0.2 K
% 0.74/1.09  clause (  24)                41         23         18          1      0.4 K
% 0.74/1.09  list (  12)                  75         19         56          3      0.7 K
% 0.74/1.09  list_pos (  20)              74         10         64          0      1.2 K
% 0.74/1.09  pair_index (   40)              2          0          2          0      0.1 K
% 0.74/1.09  
% 0.74/1.09  -------------- statistics -------------
% 0.74/1.09  Clauses input                  5
% 0.74/1.09    Usable input                   0
% 0.74/1.09    Sos input                      5
% 0.74/1.09    Demodulators input             0
% 0.74/1.09    Passive input                  0
% 0.74/1.09  
% 0.74/1.09  Processed BS (before search)   5
% 0.74/1.09  Forward subsumed BS            0
% 0.74/1.09  Kept BS                        5
% 0.74/1.09  New demodulators BS            4
% 0.74/1.09  Back demodulated BS            0
% 0.74/1.09  
% 0.74/1.09  Clauses or pairs given        24
% 0.74/1.09  Clauses generated             19
% 0.74/1.09  Forward subsumed               6
% 0.74/1.09  Deleted by weight              0
% 0.74/1.09  Deleted by variable count      0
% 0.74/1.09  Kept                          13
% 0.74/1.09  New demodulators              12
% 0.74/1.09  Back demodulated               1
% 0.74/1.09  Ordered paramod prunes         0
% 0.74/1.09  Basic paramod prunes          17
% 0.74/1.09  Prime paramod prunes           0
% 0.74/1.09  Semantic prunes                0
% 0.74/1.09  
% 0.74/1.09  Rewrite attmepts             305
% 0.74/1.09  Rewrites                       9
% 0.74/1.09  
% 0.74/1.09  FPA overloads                  0
% 0.74/1.09  FPA underloads                 0
% 0.74/1.09  
% 0.74/1.09  Usable size                    0
% 0.74/1.09  Sos size                      16
% 0.74/1.09  Demodulators size             15
% 0.74/1.09  Passive size                   0
% 0.74/1.09  Disabled size                  1
% 0.74/1.09  
% 0.74/1.09  Proofs found                   1
% 0.74/1.09  
% 0.74/1.09  ----------- times (seconds) ----------- Tue Jun 14 13:20:19 2022
% 0.74/1.09  
% 0.74/1.09  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.74/1.09  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.74/1.09  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.74/1.09  input time                0.00
% 0.74/1.09  paramodulation time       0.00
% 0.74/1.09  demodulation time         0.00
% 0.74/1.09  orient time               0.00
% 0.74/1.09  weigh time                0.00
% 0.74/1.09  forward subsume time      0.00
% 0.74/1.09  back demod find time      0.00
% 0.74/1.09  conflict time             0.00
% 0.74/1.09  LRPO time                 0.00
% 0.74/1.09  store clause time         0.00
% 0.74/1.09  disable clause time       0.00
% 0.74/1.09  prime paramod time        0.00
% 0.74/1.09  semantics time            0.00
% 0.74/1.09  
% 0.74/1.09  EQP interrupted
%------------------------------------------------------------------------------