TSTP Solution File: GRP553-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP553-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n018.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 08:47:57 EDT 2022

% Result   : Unsatisfiable 0.73s 1.11s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   19 (  19 unt;   0 nHn;   3 RR)
%            Number of literals    :   19 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   41 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(divide(A,inverse(divide(B,divide(A,C)))),C),B),
    file('GRP553-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,inverse(B))),
    file('GRP553-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(divide(A,inverse(B)),multiply(A,B)),
    inference(flip,[status(thm),theory(equality)],[2]),
    [iquote('flip(2)')] ).

cnf(4,plain,
    ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(5,plain,
    ~ equal(divide(inverse(b1),inverse(b1)),multiply(inverse(a1),a1)),
    inference(para,[status(thm),theory(equality)],[2,4]),
    [iquote('para(2,4)')] ).

cnf(6,plain,
    equal(divide(divide(divide(A,inverse(divide(B,divide(A,C)))),inverse(divide(D,B))),C),D),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

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

cnf(17,plain,
    equal(divide(A,inverse(divide(B,A))),B),
    inference(para,[status(thm),theory(equality)],[1,6]),
    [iquote('para(1,6)')] ).

cnf(18,plain,
    equal(multiply(A,divide(B,A)),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[17,3]),1]),
    [iquote('para(17,3),flip(1)')] ).

cnf(22,plain,
    equal(divide(divide(A,inverse(divide(B,C))),inverse(divide(C,A))),B),
    inference(para,[status(thm),theory(equality)],[17,1]),
    [iquote('para(17,1)')] ).

cnf(27,plain,
    equal(divide(divide(divide(A,inverse(B)),C),divide(A,C)),B),
    inference(para,[status(thm),theory(equality)],[7,1]),
    [iquote('para(7,1)')] ).

cnf(30,plain,
    equal(divide(divide(multiply(A,B),C),divide(A,C)),B),
    inference(para,[status(thm),theory(equality)],[3,27]),
    [iquote('para(3,27)')] ).

cnf(32,plain,
    equal(divide(divide(A,B),divide(C,B)),divide(A,C)),
    inference(para,[status(thm),theory(equality)],[18,30]),
    [iquote('para(18,30)')] ).

cnf(33,plain,
    equal(divide(multiply(A,B),A),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[30]),32]),
    [iquote('back_demod(30),demod([32])')] ).

cnf(153,plain,
    equal(divide(A,inverse(divide(B,B))),A),
    inference(para,[status(thm),theory(equality)],[17,22]),
    [iquote('para(17,22)')] ).

cnf(158,plain,
    equal(multiply(A,divide(B,B)),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[153,3]),1]),
    [iquote('para(153,3),flip(1)')] ).

cnf(159,plain,
    equal(divide(A,A),divide(B,B)),
    inference(para,[status(thm),theory(equality)],[158,33]),
    [iquote('para(158,33)')] ).

cnf(160,plain,
    equal(divide(A,A),multiply(inverse(B),B)),
    inference(para,[status(thm),theory(equality)],[159,3]),
    [iquote('para(159,3)')] ).

cnf(161,plain,
    $false,
    inference(conflict,[status(thm)],[160,5]),
    [iquote('conflict(160,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : GRP553-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.14  % Command  : tptp2X_and_run_eqp %s
% 0.15/0.35  % Computer : n018.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 600
% 0.15/0.36  % DateTime : Mon Jun 13 23:06:58 EDT 2022
% 0.15/0.36  % CPUTime  : 
% 0.73/1.11  ----- EQP 0.9e, May 2009 -----
% 0.73/1.11  The job began on n018.cluster.edu, Mon Jun 13 23:06:58 2022
% 0.73/1.11  The command was "./eqp09e".
% 0.73/1.11  
% 0.73/1.11  set(prolog_style_variables).
% 0.73/1.11  set(lrpo).
% 0.73/1.11  set(basic_paramod).
% 0.73/1.11  set(functional_subsume).
% 0.73/1.11  set(ordered_paramod).
% 0.73/1.11  set(prime_paramod).
% 0.73/1.11  set(para_pairs).
% 0.73/1.11  assign(pick_given_ratio,4).
% 0.73/1.11  clear(print_kept).
% 0.73/1.11  clear(print_new_demod).
% 0.73/1.11  clear(print_back_demod).
% 0.73/1.11  clear(print_given).
% 0.73/1.11  assign(max_mem,64000).
% 0.73/1.11  end_of_commands.
% 0.73/1.11  
% 0.73/1.11  Usable:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Sos:
% 0.73/1.11  0 (wt=-1) [] divide(divide(A,inverse(divide(B,divide(A,C)))),C) = B.
% 0.73/1.11  0 (wt=-1) [] multiply(A,B) = divide(A,inverse(B)).
% 0.73/1.11  0 (wt=-1) [] -(multiply(inverse(a1),a1) = multiply(inverse(b1),b1)).
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Demodulators:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Passive:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Starting to process input.
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 1 (wt=12) [] divide(divide(A,inverse(divide(B,divide(A,C)))),C) = B.
% 0.73/1.11  1 is a new demodulator.
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 2 (wt=8) [] multiply(A,B) = divide(A,inverse(B)).
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 3 (wt=8) [flip(2)] divide(A,inverse(B)) = multiply(A,B).
% 0.73/1.11  clause forward subsumed: 0 (wt=8) [flip(3)] multiply(A,B) = divide(A,inverse(B)).
% 0.73/1.11  
% 0.73/1.11  ** KEPT: 4 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.73/1.11  ---------------- PROOF FOUND ----------------
% 0.73/1.11  % SZS status Unsatisfiable
% 0.73/1.11  
% 0.73/1.11  
% 0.73/1.11  After processing input:
% 0.73/1.11  
% 0.73/1.11  Usable:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Sos:
% 0.73/1.11  2 (wt=8) [] multiply(A,B) = divide(A,inverse(B)).
% 0.73/1.11  3 (wt=8) [flip(2)] divide(A,inverse(B)) = multiply(A,B).
% 0.73/1.11  4 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.73/1.11  1 (wt=12) [] divide(divide(A,inverse(divide(B,divide(A,C)))),C) = B.
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Demodulators:
% 0.73/1.11  1 (wt=12) [] divide(divide(A,inverse(divide(B,divide(A,C)))),C) = B.
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  Passive:
% 0.73/1.11  end_of_list.
% 0.73/1.11  
% 0.73/1.11  UNIT CONFLICT from 160 and 5 at   0.01 seconds.
% 0.73/1.11  
% 0.73/1.11  ---------------- PROOF ----------------
% 0.73/1.11  % SZS output start Refutation
% See solution above
% 0.73/1.11  ------------ end of proof -------------
% 0.73/1.11  
% 0.73/1.11  
% 0.73/1.11  ------------- memory usage ------------
% 0.73/1.11  Memory dynamically allocated (tp_alloc): 488.
% 0.73/1.11    type (bytes each)        gets      frees     in use      avail      bytes
% 0.73/1.11  sym_ent (  96)               56          0         56          0      5.2 K
% 0.73/1.11  term (  16)                8258       5638       2620         19     50.9 K
% 0.73/1.11  gen_ptr (   8)            13776       2787      10989         18     86.0 K
% 0.73/1.11  context ( 808)             6208       6206          2          2      3.2 K
% 0.73/1.11  trail (  12)               1151       1151          0          7      0.1 K
% 0.73/1.11  bt_node (  68)             2143       2140          3         17      1.3 K
% 0.73/1.11  ac_position (285432)          0          0          0          0      0.0 K
% 0.73/1.11  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.73/1.11  ac_match_free_vars_pos (4020)
% 0.73/1.11                                0          0          0          0      0.0 K
% 0.73/1.11  discrim (  12)             2027       1035        992        417     16.5 K
% 0.73/1.11  flat (  40)               17317      17317          0         37      1.4 K
% 0.73/1.11  discrim_pos (  12)          261        261          0          1      0.0 K
% 0.73/1.11  fpa_head (  12)             896          0        896          0     10.5 K
% 0.73/1.11  fpa_tree (  28)             256        256          0         11      0.3 K
% 0.73/1.11  fpa_pos (  36)              244        244          0          1      0.0 K
% 0.73/1.11  literal (  12)              536        376        160          1      1.9 K
% 0.73/1.11  clause (  24)               536        376        160          1      3.8 K
% 0.73/1.11  list (  12)                 143         87         56          4      0.7 K
% 0.73/1.11  list_pos (  20)             707        302        405         35      8.6 K
% 0.73/1.11  pair_index (   40)              2          0          2          0      0.1 K
% 0.73/1.11  
% 0.73/1.11  -------------- statistics -------------
% 0.73/1.11  Clauses input                  3
% 0.73/1.11    Usable input                   0
% 0.73/1.11    Sos input                      3
% 0.73/1.11    Demodulators input             0
% 0.73/1.11    Passive input                  0
% 0.73/1.11  
% 0.73/1.11  Processed BS (before search)   5
% 0.73/1.11  Forward subsumed BS            1
% 0.73/1.11  Kept BS                        4
% 0.73/1.11  New demodulators BS            1
% 0.73/1.11  Back demodulated BS            0
% 0.73/1.11  
% 0.73/1.11  Clauses or pairs given       493
% 0.73/1.11  Clauses generated            316
% 0.73/1.11  Forward subsumed             160
% 0.73/1.11  Deleted by weight              0
% 0.73/1.11  Deleted by variable count      0
% 0.73/1.11  Kept                         156
% 0.73/1.11  New demodulators              83
% 0.73/1.11  Back demodulated              64
% 0.73/1.11  Ordered paramod prunes         0
% 0.73/1.11  Basic paramod prunes        1827
% 0.73/1.11  Prime paramod prunes          21
% 0.73/1.11  Semantic prunes                0
% 0.73/1.11  
% 0.73/1.11  Rewrite attmepts            3000
% 0.73/1.11  Rewrites                     182
% 0.73/1.11  
% 0.73/1.11  FPA overloads                  0
% 0.73/1.11  FPA underloads                 0
% 0.73/1.11  
% 0.73/1.11  Usable size                    0
% 0.73/1.11  Sos size                      95
% 0.73/1.11  Demodulators size             56
% 0.73/1.11  Passive size                   0
% 0.73/1.11  Disabled size                 64
% 0.73/1.11  
% 0.73/1.11  Proofs found                   1
% 0.73/1.11  
% 0.73/1.11  ----------- times (seconds) ----------- Mon Jun 13 23:06:58 2022
% 0.73/1.11  
% 0.73/1.11  user CPU time             0.01   (0 hr, 0 min, 0 sec)
% 0.73/1.11  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.73/1.11  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.73/1.11  input time                0.00
% 0.73/1.11  paramodulation time       0.00
% 0.73/1.11  demodulation time         0.00
% 0.73/1.11  orient time               0.00
% 0.73/1.11  weigh time                0.00
% 0.73/1.11  forward subsume time      0.00
% 0.73/1.11  back demod find time      0.00
% 0.73/1.11  conflict time             0.00
% 0.73/1.11  LRPO time                 0.00
% 0.73/1.11  store clause time         0.00
% 0.73/1.11  disable clause time       0.00
% 0.73/1.11  prime paramod time        0.00
% 0.73/1.11  semantics time            0.00
% 0.73/1.11  
% 0.73/1.11  EQP interrupted
%------------------------------------------------------------------------------