TSTP Solution File: GRP547-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP547-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n012.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 08:47:55 EDT 2022

% Result   : Unsatisfiable 0.72s 1.11s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   22 (  22 unt;   0 nHn;   3 RR)
%            Number of literals    :   22 (   0 equ;   2 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    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   47 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(identity,divide(A,B)),divide(divide(B,C),A)),C),
    file('GRP547-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(identity,B))),
    file('GRP547-1.p',unknown),
    [] ).

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

cnf(5,plain,
    ~ equal(divide(divide(a3,divide(identity,b3)),divide(identity,c3)),divide(a3,divide(identity,divide(b3,divide(identity,c3))))),
    inference(demod,[status(thm),theory(equality)],[2,2,2,2]),
    [iquote('demod([2,2,2,2])')] ).

cnf(7,plain,
    equal(divide(divide(identity,divide(A,divide(identity,divide(B,C)))),divide(D,A)),divide(divide(C,D),B)),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(9,plain,
    equal(divide(divide(identity,divide(divide(divide(A,B),C),identity)),B),divide(C,A)),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(10,plain,
    equal(divide(identity,divide(divide(A,B),A)),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,1]),4]),
    [iquote('para(4,1),demod([4])')] ).

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

cnf(12,plain,
    equal(divide(A,identity),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,1]),10]),
    [iquote('para(4,1),demod([10])')] ).

cnf(13,plain,
    equal(divide(divide(identity,divide(divide(A,B),C)),B),divide(C,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[9]),12]),
    [iquote('back_demod(9),demod([12])')] ).

cnf(14,plain,
    equal(divide(identity,divide(identity,A)),A),
    inference(para,[status(thm),theory(equality)],[4,10]),
    [iquote('para(4,10)')] ).

cnf(18,plain,
    equal(divide(A,divide(A,B)),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,1]),14]),
    [iquote('para(12,1),demod([14])')] ).

cnf(22,plain,
    equal(divide(divide(identity,A),divide(identity,B)),divide(B,A)),
    inference(para,[status(thm),theory(equality)],[18,11]),
    [iquote('para(18,11)')] ).

cnf(38,plain,
    equal(divide(A,divide(identity,B)),divide(B,divide(identity,A))),
    inference(para,[status(thm),theory(equality)],[18,22]),
    [iquote('para(18,22)')] ).

cnf(51,plain,
    equal(divide(identity,divide(A,B)),divide(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,13]),12]),
    [iquote('para(12,13),demod([12])')] ).

cnf(82,plain,
    equal(divide(divide(identity,divide(divide(identity,A),divide(identity,divide(B,C)))),D),divide(divide(C,divide(identity,divide(A,D))),B)),
    inference(para,[status(thm),theory(equality)],[11,7]),
    [iquote('para(11,7)')] ).

cnf(83,plain,
    equal(divide(divide(A,divide(identity,divide(B,C))),D),divide(divide(identity,divide(divide(identity,B),divide(identity,divide(D,A)))),C)),
    inference(flip,[status(thm),theory(equality)],[82]),
    [iquote('flip(82)')] ).

cnf(90,plain,
    equal(divide(divide(identity,A),divide(identity,B)),divide(identity,divide(A,B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[22,51]),1]),
    [iquote('para(22,51),flip(1)')] ).

cnf(92,plain,
    equal(divide(divide(A,divide(identity,divide(B,C))),D),divide(divide(B,divide(D,A)),C)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[83]),90,18]),
    [iquote('back_demod(83),demod([90,18])')] ).

cnf(193,plain,
    ~ equal(divide(divide(b3,divide(identity,a3)),divide(identity,c3)),divide(a3,divide(identity,divide(b3,divide(identity,c3))))),
    inference(para,[status(thm),theory(equality)],[38,5]),
    [iquote('para(38,5)')] ).

cnf(271,plain,
    equal(divide(divide(A,divide(identity,B)),C),divide(B,divide(identity,divide(A,C)))),
    inference(para,[status(thm),theory(equality)],[92,12]),
    [iquote('para(92,12)')] ).

cnf(272,plain,
    $false,
    inference(conflict,[status(thm)],[271,193]),
    [iquote('conflict(271,193)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP547-1 : TPTP v8.1.0. Released v2.6.0.
% 0.06/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n012.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 : Mon Jun 13 14:58:10 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.72/1.11  ----- EQP 0.9e, May 2009 -----
% 0.72/1.11  The job began on n012.cluster.edu, Mon Jun 13 14:58:11 2022
% 0.72/1.11  The command was "./eqp09e".
% 0.72/1.11  
% 0.72/1.11  set(prolog_style_variables).
% 0.72/1.11  set(lrpo).
% 0.72/1.11  set(basic_paramod).
% 0.72/1.11  set(functional_subsume).
% 0.72/1.11  set(ordered_paramod).
% 0.72/1.11  set(prime_paramod).
% 0.72/1.11  set(para_pairs).
% 0.72/1.11  assign(pick_given_ratio,4).
% 0.72/1.11  clear(print_kept).
% 0.72/1.11  clear(print_new_demod).
% 0.72/1.11  clear(print_back_demod).
% 0.72/1.11  clear(print_given).
% 0.72/1.11  assign(max_mem,64000).
% 0.72/1.11  end_of_commands.
% 0.72/1.11  
% 0.72/1.11  Usable:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Sos:
% 0.72/1.11  0 (wt=-1) [] divide(divide(identity,divide(A,B)),divide(divide(B,C),A)) = C.
% 0.72/1.11  0 (wt=-1) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.72/1.11  0 (wt=-1) [] inverse(A) = divide(identity,A).
% 0.72/1.11  0 (wt=-1) [] identity = divide(A,A).
% 0.72/1.11  0 (wt=-1) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Demodulators:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Passive:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Starting to process input.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 1 (wt=13) [] divide(divide(identity,divide(A,B)),divide(divide(B,C),A)) = C.
% 0.72/1.11  1 is a new demodulator.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.72/1.11  2 is a new demodulator.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.72/1.11  3 is a new demodulator.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.72/1.11  4 is a new demodulator.
% 0.72/1.11  
% 0.72/1.11  ** KEPT: 5 (wt=19) [demod([2,2,2,2])] -(divide(divide(a3,divide(identity,b3)),divide(identity,c3)) = divide(a3,divide(identity,divide(b3,divide(identity,c3))))).
% 0.72/1.11  ---------------- PROOF FOUND ----------------
% 0.72/1.11  % SZS status Unsatisfiable
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  After processing input:
% 0.72/1.11  
% 0.72/1.11  Usable:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Sos:
% 0.72/1.11  4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.72/1.11  3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.72/1.11  2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.72/1.11  1 (wt=13) [] divide(divide(identity,divide(A,B)),divide(divide(B,C),A)) = C.
% 0.72/1.11  5 (wt=19) [demod([2,2,2,2])] -(divide(divide(a3,divide(identity,b3)),divide(identity,c3)) = divide(a3,divide(identity,divide(b3,divide(identity,c3))))).
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Demodulators:
% 0.72/1.11  1 (wt=13) [] divide(divide(identity,divide(A,B)),divide(divide(B,C),A)) = C.
% 0.72/1.11  2 (wt=9) [] multiply(A,B) = divide(A,divide(identity,B)).
% 0.72/1.11  3 (wt=6) [] inverse(A) = divide(identity,A).
% 0.72/1.11  4 (wt=5) [flip(1)] divide(A,A) = identity.
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  Passive:
% 0.72/1.11  end_of_list.
% 0.72/1.11  
% 0.72/1.11  UNIT CONFLICT from 271 and 193 at   0.02 seconds.
% 0.72/1.11  
% 0.72/1.11  ---------------- PROOF ----------------
% 0.72/1.11  % SZS output start Refutation
% See solution above
% 0.72/1.11  ------------ end of proof -------------
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  ------------- memory usage ------------
% 0.72/1.11  Memory dynamically allocated (tp_alloc): 488.
% 0.72/1.11    type (bytes each)        gets      frees     in use      avail      bytes
% 0.72/1.11  sym_ent (  96)               58          0         58          0      5.4 K
% 0.72/1.11  term (  16)               23245      18369       4876         24     94.6 K
% 0.72/1.11  gen_ptr (   8)            28354       8110      20244         22    158.3 K
% 0.72/1.11  context ( 808)            16466      16464          2          5      5.5 K
% 0.72/1.11  trail (  12)               3863       3863          0          6      0.1 K
% 0.72/1.11  bt_node (  68)             4986       4983          3         14      1.1 K
% 0.72/1.11  ac_position (285432)          0          0          0          0      0.0 K
% 0.72/1.11  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.72/1.11  ac_match_free_vars_pos (4020)
% 0.72/1.11                                0          0          0          0      0.0 K
% 0.72/1.11  discrim (  12)             3343       2264       1079        328     16.5 K
% 0.72/1.11  flat (  40)               47805      47805          0         33      1.3 K
% 0.72/1.11  discrim_pos (  12)         1394       1394          0          1      0.0 K
% 0.72/1.11  fpa_head (  12)             666          0        666          0      7.8 K
% 0.72/1.11  fpa_tree (  28)            1672       1672          0         53      1.4 K
% 0.72/1.11  fpa_pos (  36)              379        379          0          1      0.0 K
% 0.72/1.11  literal (  12)             1389       1118        271          1      3.2 K
% 0.72/1.11  clause (  24)              1389       1118        271          1      6.4 K
% 0.72/1.11  list (  12)                 167        111         56          3      0.7 K
% 0.72/1.11  list_pos (  20)            1261        751        510         68     11.3 K
% 0.72/1.11  pair_index (   40)              2          0          2          0      0.1 K
% 0.72/1.11  
% 0.72/1.11  -------------- statistics -------------
% 0.72/1.11  Clauses input                  5
% 0.72/1.11    Usable input                   0
% 0.72/1.11    Sos input                      5
% 0.72/1.11    Demodulators input             0
% 0.72/1.11    Passive input                  0
% 0.72/1.11  
% 0.72/1.11  Processed BS (before search)   5
% 0.72/1.11  Forward subsumed BS            0
% 0.72/1.11  Kept BS                        5
% 0.72/1.11  New demodulators BS            4
% 0.72/1.11  Back demodulated BS            0
% 0.72/1.11  
% 0.72/1.11  Clauses or pairs given       580
% 0.72/1.11  Clauses generated            880
% 0.72/1.11  Forward subsumed             614
% 0.72/1.11  Deleted by weight              0
% 0.72/1.11  Deleted by variable count      0
% 0.72/1.11  Kept                         266
% 0.72/1.11  New demodulators             104
% 0.72/1.11  Back demodulated             169
% 0.72/1.11  Ordered paramod prunes         0
% 0.72/1.11  Basic paramod prunes        1201
% 0.72/1.11  Prime paramod prunes          49
% 0.72/1.11  Semantic prunes                0
% 0.72/1.11  
% 0.72/1.11  Rewrite attmepts            9692
% 0.72/1.11  Rewrites                    1113
% 0.72/1.11  
% 0.72/1.11  FPA overloads                  0
% 0.72/1.11  FPA underloads                 0
% 0.72/1.11  
% 0.72/1.11  Usable size                    0
% 0.72/1.11  Sos size                     101
% 0.72/1.11  Demodulators size             38
% 0.72/1.11  Passive size                   0
% 0.72/1.11  Disabled size                169
% 0.72/1.11  
% 0.72/1.11  Proofs found                   1
% 0.72/1.11  
% 0.72/1.11  ----------- times (seconds) ----------- Mon Jun 13 14:58:11 2022
% 0.72/1.11  
% 0.72/1.11  user CPU time             0.02   (0 hr, 0 min, 0 sec)
% 0.72/1.11  system CPU time           0.03   (0 hr, 0 min, 0 sec)
% 0.72/1.11  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.72/1.11  input time                0.00
% 0.72/1.11  paramodulation time       0.01
% 0.72/1.11  demodulation time         0.00
% 0.72/1.11  orient time               0.00
% 0.72/1.11  weigh time                0.00
% 0.72/1.11  forward subsume time      0.00
% 0.72/1.11  back demod find time      0.00
% 0.72/1.11  conflict time             0.00
% 0.72/1.11  LRPO time                 0.00
% 0.72/1.11  store clause time         0.00
% 0.72/1.11  disable clause time       0.00
% 0.72/1.11  prime paramod time        0.00
% 0.72/1.11  semantics time            0.00
% 0.72/1.11  
% 0.72/1.11  EQP interrupted
%------------------------------------------------------------------------------