TSTP Solution File: GRP558-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP558-1 : 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 08:47:58 EDT 2022

% Result   : Unsatisfiable 0.44s 1.08s
% Output   : Refutation 0.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   19 (  19 unt;   0 nHn;   4 RR)
%            Number of literals    :   19 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    8 (   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   :   35 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(A,inverse(divide(divide(B,C),divide(A,C)))),B),
    file('GRP558-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,inverse(B))),
    file('GRP558-1.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(multiply(inverse(b2),b2),a2),a2),
    file('GRP558-1.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(multiply(divide(inverse(b2),inverse(b2)),a2),a2),
    inference(para,[status(thm),theory(equality)],[2,4]),
    [iquote('para(2,4)')] ).

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

cnf(8,plain,
    ~ equal(divide(divide(inverse(b2),inverse(b2)),inverse(a2)),a2),
    inference(para,[status(thm),theory(equality)],[2,5]),
    [iquote('para(2,5)')] ).

cnf(9,plain,
    equal(divide(A,inverse(divide(multiply(B,C),divide(A,inverse(C))))),B),
    inference(para,[status(thm),theory(equality)],[3,1]),
    [iquote('para(3,1)')] ).

cnf(12,plain,
    equal(divide(A,inverse(divide(multiply(B,C),multiply(A,C)))),B),
    inference(para,[status(thm),theory(equality)],[3,9]),
    [iquote('para(3,9)')] ).

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

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

cnf(53,plain,
    equal(divide(A,inverse(divide(B,A))),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[18,12]),18]),
    [iquote('para(18,12),demod([18])')] ).

cnf(58,plain,
    equal(divide(inverse(divide(A,A)),inverse(B)),B),
    inference(para,[status(thm),theory(equality)],[17,53]),
    [iquote('para(17,53)')] ).

cnf(66,plain,
    equal(multiply(inverse(divide(A,A)),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[58,3]),1]),
    [iquote('para(58,3),flip(1)')] ).

cnf(67,plain,
    equal(divide(A,A),inverse(divide(B,B))),
    inference(para,[status(thm),theory(equality)],[66,18]),
    [iquote('para(66,18)')] ).

cnf(68,plain,
    equal(inverse(divide(A,A)),divide(B,B)),
    inference(flip,[status(thm),theory(equality)],[67]),
    [iquote('flip(67)')] ).

cnf(72,plain,
    equal(divide(A,divide(B,B)),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[68,3]),18]),
    [iquote('para(68,3),demod([18])')] ).

cnf(73,plain,
    equal(divide(divide(A,A),inverse(B)),B),
    inference(para,[status(thm),theory(equality)],[72,53]),
    [iquote('para(72,53)')] ).

cnf(74,plain,
    $false,
    inference(conflict,[status(thm)],[73,8]),
    [iquote('conflict(73,8)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP558-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n024.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 13 16:33:48 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.44/1.08  ----- EQP 0.9e, May 2009 -----
% 0.44/1.08  The job began on n024.cluster.edu, Mon Jun 13 16:33:49 2022
% 0.44/1.08  The command was "./eqp09e".
% 0.44/1.08  
% 0.44/1.08  set(prolog_style_variables).
% 0.44/1.08  set(lrpo).
% 0.44/1.08  set(basic_paramod).
% 0.44/1.08  set(functional_subsume).
% 0.44/1.08  set(ordered_paramod).
% 0.44/1.08  set(prime_paramod).
% 0.44/1.08  set(para_pairs).
% 0.44/1.08  assign(pick_given_ratio,4).
% 0.44/1.08  clear(print_kept).
% 0.44/1.08  clear(print_new_demod).
% 0.44/1.08  clear(print_back_demod).
% 0.44/1.08  clear(print_given).
% 0.44/1.08  assign(max_mem,64000).
% 0.44/1.08  end_of_commands.
% 0.44/1.08  
% 0.44/1.08  Usable:
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Sos:
% 0.44/1.08  0 (wt=-1) [] divide(A,inverse(divide(divide(B,C),divide(A,C)))) = B.
% 0.44/1.08  0 (wt=-1) [] multiply(A,B) = divide(A,inverse(B)).
% 0.44/1.08  0 (wt=-1) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Demodulators:
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Passive:
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Starting to process input.
% 0.44/1.08  
% 0.44/1.08  ** KEPT: 1 (wt=12) [] divide(A,inverse(divide(divide(B,C),divide(A,C)))) = B.
% 0.44/1.08  1 is a new demodulator.
% 0.44/1.08  
% 0.44/1.08  ** KEPT: 2 (wt=8) [] multiply(A,B) = divide(A,inverse(B)).
% 0.44/1.08  
% 0.44/1.08  ** KEPT: 3 (wt=8) [flip(2)] divide(A,inverse(B)) = multiply(A,B).
% 0.44/1.08  clause forward subsumed: 0 (wt=8) [flip(3)] multiply(A,B) = divide(A,inverse(B)).
% 0.44/1.08  
% 0.44/1.08  ** KEPT: 4 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.44/1.08  ---------------- PROOF FOUND ----------------
% 0.44/1.08  % SZS status Unsatisfiable
% 0.44/1.08  
% 0.44/1.08  
% 0.44/1.08  After processing input:
% 0.44/1.08  
% 0.44/1.08  Usable:
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Sos:
% 0.44/1.08  2 (wt=8) [] multiply(A,B) = divide(A,inverse(B)).
% 0.44/1.08  3 (wt=8) [flip(2)] divide(A,inverse(B)) = multiply(A,B).
% 0.44/1.08  4 (wt=8) [] -(multiply(multiply(inverse(b2),b2),a2) = a2).
% 0.44/1.08  1 (wt=12) [] divide(A,inverse(divide(divide(B,C),divide(A,C)))) = B.
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Demodulators:
% 0.44/1.08  1 (wt=12) [] divide(A,inverse(divide(divide(B,C),divide(A,C)))) = B.
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  Passive:
% 0.44/1.08  end_of_list.
% 0.44/1.08  
% 0.44/1.08  UNIT CONFLICT from 73 and 8 at   0.00 seconds.
% 0.44/1.08  
% 0.44/1.08  ---------------- PROOF ----------------
% 0.44/1.08  % SZS output start Refutation
% See solution above
% 0.44/1.08  ------------ end of proof -------------
% 0.44/1.08  
% 0.44/1.08  
% 0.44/1.08  ------------- memory usage ------------
% 0.44/1.08  Memory dynamically allocated (tp_alloc): 488.
% 0.44/1.08    type (bytes each)        gets      frees     in use      avail      bytes
% 0.44/1.08  sym_ent (  96)               56          0         56          0      5.2 K
% 0.44/1.08  term (  16)                3634       2698        936         19     18.4 K
% 0.44/1.08  gen_ptr (   8)             4888        480       4408         18     34.6 K
% 0.44/1.08  context ( 808)             3787       3785          2          2      3.2 K
% 0.44/1.08  trail (  12)                428        428          0          5      0.1 K
% 0.44/1.08  bt_node (  68)             2060       2057          3         12      1.0 K
% 0.44/1.08  ac_position (285432)          0          0          0          0      0.0 K
% 0.44/1.08  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.44/1.08  ac_match_free_vars_pos (4020)
% 0.44/1.08                                0          0          0          0      0.0 K
% 0.44/1.08  discrim (  12)              853          0        853          0     10.0 K
% 0.44/1.08  flat (  40)                4712       4712          0         16      0.6 K
% 0.44/1.08  discrim_pos (  12)           66         66          0          1      0.0 K
% 0.44/1.08  fpa_head (  12)             873          0        873          0     10.2 K
% 0.44/1.08  fpa_tree (  28)             157        157          0          5      0.1 K
% 0.44/1.08  fpa_pos (  36)              135        135          0          1      0.0 K
% 0.44/1.08  literal (  12)              239        166         73          1      0.9 K
% 0.44/1.08  clause (  24)               239        166         73          1      1.7 K
% 0.44/1.08  list (  12)                 121         65         56          3      0.7 K
% 0.44/1.08  list_pos (  20)             281          3        278          0      5.4 K
% 0.44/1.08  pair_index (   40)              2          0          2          0      0.1 K
% 0.44/1.08  
% 0.44/1.08  -------------- statistics -------------
% 0.44/1.08  Clauses input                  3
% 0.44/1.08    Usable input                   0
% 0.44/1.08    Sos input                      3
% 0.44/1.08    Demodulators input             0
% 0.44/1.08    Passive input                  0
% 0.44/1.08  
% 0.44/1.08  Processed BS (before search)   5
% 0.44/1.08  Forward subsumed BS            1
% 0.44/1.08  Kept BS                        4
% 0.44/1.08  New demodulators BS            1
% 0.44/1.08  Back demodulated BS            0
% 0.44/1.08  
% 0.44/1.08  Clauses or pairs given       337
% 0.44/1.08  Clauses generated            157
% 0.44/1.08  Forward subsumed              88
% 0.44/1.08  Deleted by weight              0
% 0.44/1.08  Deleted by variable count      0
% 0.44/1.08  Kept                          69
% 0.44/1.08  New demodulators              61
% 0.44/1.08  Back demodulated               0
% 0.44/1.08  Ordered paramod prunes         0
% 0.44/1.08  Basic paramod prunes        1014
% 0.44/1.08  Prime paramod prunes           2
% 0.44/1.08  Semantic prunes                0
% 0.44/1.08  
% 0.44/1.08  Rewrite attmepts             952
% 0.44/1.08  Rewrites                      56
% 0.44/1.08  
% 0.44/1.08  FPA overloads                  0
% 0.44/1.08  FPA underloads                 0
% 0.44/1.08  
% 0.44/1.08  Usable size                    0
% 0.44/1.08  Sos size                      72
% 0.44/1.08  Demodulators size             62
% 0.44/1.08  Passive size                   0
% 0.44/1.08  Disabled size                  0
% 0.44/1.08  
% 0.44/1.08  Proofs found                   1
% 0.44/1.08  
% 0.44/1.08  ----------- times (seconds) ----------- Mon Jun 13 16:33:49 2022
% 0.44/1.08  
% 0.44/1.08  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.44/1.08  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.44/1.08  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.44/1.08  input time                0.00
% 0.44/1.08  paramodulation time       0.00
% 0.44/1.08  demodulation time         0.00
% 0.44/1.08  orient time               0.00
% 0.44/1.08  weigh time                0.00
% 0.44/1.08  forward subsume time      0.00
% 0.44/1.08  back demod find time      0.00
% 0.44/1.08  conflict time             0.00
% 0.44/1.08  LRPO time                 0.00
% 0.44/1.08  store clause time         0.00
% 0.44/1.08  disable clause time       0.00
% 0.44/1.08  prime paramod time        0.00
% 0.44/1.08  semantics time            0.00
% 0.44/1.08  
% 0.44/1.08  EQP interrupted
%------------------------------------------------------------------------------