TSTP Solution File: GRP710-10 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP710-10 : TPTP v8.1.0. Released v8.1.0.
% 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 08:49:00 EDT 2022

% Result   : Unsatisfiable 0.67s 1.07s
% Output   : Refutation 0.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   20 (  20 unt;   0 nHn;   3 RR)
%            Number of literals    :   20 (   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;   3 con; 0-2 aty)
%            Number of variables   :   32 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(mult(A,unit),A),
    file('GRP710-10.p',unknown),
    [] ).

cnf(2,plain,
    equal(mult(unit,A),A),
    file('GRP710-10.p',unknown),
    [] ).

cnf(3,plain,
    equal(mult(mult(mult(A,B),B),C),mult(A,mult(B,mult(B,C)))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(4,plain,
    equal(mult(A,i(A)),unit),
    file('GRP710-10.p',unknown),
    [] ).

cnf(5,plain,
    equal(mult(i(A),A),unit),
    file('GRP710-10.p',unknown),
    [] ).

cnf(6,plain,
    ~ equal(mult(x0,A),x1),
    file('GRP710-10.p',unknown),
    [] ).

cnf(7,plain,
    equal(mult(mult(A,B),B),mult(A,mult(B,B))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,1]),1]),1]),
    [iquote('para(3,1),demod([1]),flip(1)')] ).

cnf(8,plain,
    equal(mult(mult(A,mult(B,B)),C),mult(A,mult(B,mult(B,C)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),7]),
    [iquote('back_demod(3),demod([7])')] ).

cnf(11,plain,
    equal(mult(A,mult(B,mult(B,i(mult(A,mult(B,B)))))),unit),
    inference(para,[status(thm),theory(equality)],[8,4]),
    [iquote('para(8,4)')] ).

cnf(13,plain,
    equal(mult(i(mult(A,A)),mult(A,mult(A,B))),B),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,8]),2]),1]),
    [iquote('para(5,8),demod([2]),flip(1)')] ).

cnf(15,plain,
    equal(mult(i(mult(A,A)),A),i(A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,13]),1]),
    [iquote('para(4,13),demod([1])')] ).

cnf(18,plain,
    equal(i(i(A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,13]),1,15]),
    [iquote('para(5,13),demod([1,15])')] ).

cnf(26,plain,
    equal(mult(A,mult(A,i(mult(B,mult(A,A))))),i(B)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[11,13]),1,15]),1]),
    [iquote('para(11,13),demod([1,15]),flip(1)')] ).

cnf(38,plain,
    equal(mult(A,i(mult(B,mult(A,A)))),mult(i(mult(A,A)),mult(A,i(B)))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[26,13]),1]),
    [iquote('para(26,13),flip(1)')] ).

cnf(39,plain,
    equal(mult(A,mult(i(mult(A,A)),mult(A,i(B)))),i(B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[26]),38]),
    [iquote('back_demod(26),demod([38])')] ).

cnf(40,plain,
    equal(i(mult(A,mult(B,B))),mult(i(mult(B,B)),i(A))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[26,13]),1]),
    [iquote('para(26,13),flip(1)')] ).

cnf(41,plain,
    equal(mult(i(mult(A,A)),mult(A,i(B))),mult(A,mult(i(mult(A,A)),i(B)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[38]),40]),1]),
    [iquote('back_demod(38),demod([40]),flip(1)')] ).

cnf(42,plain,
    equal(mult(A,mult(A,mult(i(mult(A,A)),i(B)))),i(B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[39]),41]),
    [iquote('back_demod(39),demod([41])')] ).

cnf(47,plain,
    ~ equal(i(A),x1),
    inference(para,[status(thm),theory(equality)],[42,6]),
    [iquote('para(42,6)')] ).

cnf(48,plain,
    $false,
    inference(conflict,[status(thm)],[47,18]),
    [iquote('conflict(47,18)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP710-10 : TPTP v8.1.0. Released v8.1.0.
% 0.11/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.33  % Computer : n018.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Tue Jun 14 12:57:28 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.67/1.07  ----- EQP 0.9e, May 2009 -----
% 0.67/1.07  The job began on n018.cluster.edu, Tue Jun 14 12:57:29 2022
% 0.67/1.07  The command was "./eqp09e".
% 0.67/1.07  
% 0.67/1.07  set(prolog_style_variables).
% 0.67/1.07  set(lrpo).
% 0.67/1.07  set(basic_paramod).
% 0.67/1.07  set(functional_subsume).
% 0.67/1.07  set(ordered_paramod).
% 0.67/1.07  set(prime_paramod).
% 0.67/1.07  set(para_pairs).
% 0.67/1.07  assign(pick_given_ratio,4).
% 0.67/1.07  clear(print_kept).
% 0.67/1.07  clear(print_new_demod).
% 0.67/1.07  clear(print_back_demod).
% 0.67/1.07  clear(print_given).
% 0.67/1.07  assign(max_mem,64000).
% 0.67/1.07  end_of_commands.
% 0.67/1.07  
% 0.67/1.07  Usable:
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Sos:
% 0.67/1.07  0 (wt=-1) [] mult(A,unit) = A.
% 0.67/1.07  0 (wt=-1) [] mult(unit,A) = A.
% 0.67/1.07  0 (wt=-1) [] mult(A,mult(B,mult(B,C))) = mult(mult(mult(A,B),B),C).
% 0.67/1.07  0 (wt=-1) [] mult(A,i(A)) = unit.
% 0.67/1.07  0 (wt=-1) [] mult(i(A),A) = unit.
% 0.67/1.07  0 (wt=-1) [] -(mult(x0,A) = x1).
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Demodulators:
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Passive:
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Starting to process input.
% 0.67/1.07  
% 0.67/1.07  ** KEPT: 1 (wt=5) [] mult(A,unit) = A.
% 0.67/1.07  1 is a new demodulator.
% 0.67/1.07  
% 0.67/1.07  ** KEPT: 2 (wt=5) [] mult(unit,A) = A.
% 0.67/1.07  2 is a new demodulator.
% 0.67/1.07  
% 0.67/1.07  ** KEPT: 3 (wt=15) [flip(1)] mult(mult(mult(A,B),B),C) = mult(A,mult(B,mult(B,C))).
% 0.67/1.07  3 is a new demodulator.
% 0.67/1.07  
% 0.67/1.07  ** KEPT: 4 (wt=6) [] mult(A,i(A)) = unit.
% 0.67/1.07  4 is a new demodulator.
% 0.67/1.07  
% 0.67/1.07  ** KEPT: 5 (wt=6) [] mult(i(A),A) = unit.
% 0.67/1.07  5 is a new demodulator.
% 0.67/1.07  
% 0.67/1.07  ** KEPT: 6 (wt=5) [] -(mult(x0,A) = x1).
% 0.67/1.07  ---------------- PROOF FOUND ----------------
% 0.67/1.07  % SZS status Unsatisfiable
% 0.67/1.07  
% 0.67/1.07  
% 0.67/1.07  After processing input:
% 0.67/1.07  
% 0.67/1.07  Usable:
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Sos:
% 0.67/1.07  1 (wt=5) [] mult(A,unit) = A.
% 0.67/1.07  2 (wt=5) [] mult(unit,A) = A.
% 0.67/1.07  6 (wt=5) [] -(mult(x0,A) = x1).
% 0.67/1.07  4 (wt=6) [] mult(A,i(A)) = unit.
% 0.67/1.07  5 (wt=6) [] mult(i(A),A) = unit.
% 0.67/1.07  3 (wt=15) [flip(1)] mult(mult(mult(A,B),B),C) = mult(A,mult(B,mult(B,C))).
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Demodulators:
% 0.67/1.07  1 (wt=5) [] mult(A,unit) = A.
% 0.67/1.07  2 (wt=5) [] mult(unit,A) = A.
% 0.67/1.07  3 (wt=15) [flip(1)] mult(mult(mult(A,B),B),C) = mult(A,mult(B,mult(B,C))).
% 0.67/1.07  4 (wt=6) [] mult(A,i(A)) = unit.
% 0.67/1.07  5 (wt=6) [] mult(i(A),A) = unit.
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  Passive:
% 0.67/1.07  end_of_list.
% 0.67/1.07  
% 0.67/1.07  UNIT CONFLICT from 47 and 18 at   0.00 seconds.
% 0.67/1.07  
% 0.67/1.07  ---------------- PROOF ----------------
% 0.67/1.07  % SZS output start Refutation
% See solution above
% 0.67/1.07  ------------ end of proof -------------
% 0.67/1.07  
% 0.67/1.07  
% 0.67/1.07  ------------- memory usage ------------
% 0.67/1.07  Memory dynamically allocated (tp_alloc): 488.
% 0.67/1.07    type (bytes each)        gets      frees     in use      avail      bytes
% 0.67/1.07  sym_ent (  96)               57          0         57          0      5.3 K
% 0.67/1.07  term (  16)                4682       3751        931         32     18.6 K
% 0.67/1.07  gen_ptr (   8)             5571        762       4809         19     37.7 K
% 0.67/1.07  context ( 808)             2850       2848          2          3      3.9 K
% 0.67/1.07  trail (  12)                197        197          0          6      0.1 K
% 0.67/1.07  bt_node (  68)             1081       1078          3         12      1.0 K
% 0.67/1.07  ac_position (285432)          0          0          0          0      0.0 K
% 0.67/1.07  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.67/1.07  ac_match_free_vars_pos (4020)
% 0.67/1.07                                0          0          0          0      0.0 K
% 0.67/1.07  discrim (  12)             1035        212        823         11      9.8 K
% 0.67/1.07  flat (  40)                9824       9824          0         27      1.1 K
% 0.67/1.07  discrim_pos (  12)          172        172          0          1      0.0 K
% 0.67/1.07  fpa_head (  12)             396          0        396          0      4.6 K
% 0.67/1.07  fpa_tree (  28)              92         92          0          7      0.2 K
% 0.67/1.07  fpa_pos (  36)               90         90          0          1      0.0 K
% 0.67/1.07  literal (  12)              146         99         47          0      0.6 K
% 0.67/1.07  clause (  24)               146         99         47          0      1.1 K
% 0.67/1.07  list (  12)                 102         46         56          3      0.7 K
% 0.67/1.07  list_pos (  20)             209         61        148          0      2.9 K
% 0.67/1.07  pair_index (   40)              2          0          2          0      0.1 K
% 0.67/1.07  
% 0.67/1.07  -------------- statistics -------------
% 0.67/1.07  Clauses input                  6
% 0.67/1.07    Usable input                   0
% 0.67/1.07    Sos input                      6
% 0.67/1.07    Demodulators input             0
% 0.67/1.07    Passive input                  0
% 0.67/1.07  
% 0.67/1.07  Processed BS (before search)   6
% 0.67/1.07  Forward subsumed BS            0
% 0.67/1.07  Kept BS                        6
% 0.67/1.07  New demodulators BS            5
% 0.67/1.07  Back demodulated BS            0
% 0.67/1.07  
% 0.67/1.07  Clauses or pairs given       211
% 0.67/1.07  Clauses generated             95
% 0.67/1.07  Forward subsumed              54
% 0.67/1.07  Deleted by weight              0
% 0.67/1.07  Deleted by variable count      0
% 0.67/1.07  Kept                          41
% 0.67/1.07  New demodulators              38
% 0.67/1.07  Back demodulated              11
% 0.67/1.07  Ordered paramod prunes         0
% 0.67/1.07  Basic paramod prunes         473
% 0.67/1.07  Prime paramod prunes          48
% 0.67/1.07  Semantic prunes                0
% 0.67/1.07  
% 0.67/1.07  Rewrite attmepts            1221
% 0.67/1.07  Rewrites                     124
% 0.67/1.07  
% 0.67/1.07  FPA overloads                  0
% 0.67/1.07  FPA underloads                 0
% 0.67/1.07  
% 0.67/1.07  Usable size                    0
% 0.67/1.07  Sos size                      35
% 0.67/1.07  Demodulators size             32
% 0.67/1.07  Passive size                   0
% 0.67/1.07  Disabled size                 11
% 0.67/1.07  
% 0.67/1.07  Proofs found                   1
% 0.67/1.07  
% 0.67/1.07  ----------- times (seconds) ----------- Tue Jun 14 12:57:29 2022
% 0.67/1.07  
% 0.67/1.07  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.67/1.07  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.67/1.07  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.67/1.07  input time                0.00
% 0.67/1.07  paramodulation time       0.00
% 0.67/1.07  demodulation time         0.00
% 0.67/1.07  orient time               0.00
% 0.67/1.07  weigh time                0.00
% 0.67/1.07  forward subsume time      0.00
% 0.67/1.07  back demod find time      0.00
% 0.67/1.07  conflict time             0.00
% 0.67/1.07  LRPO time                 0.00
% 0.67/1.07  store clause time         0.00
% 0.67/1.07  disable clause time       0.00
% 0.67/1.07  prime paramod time        0.00
% 0.67/1.07  semantics time            0.00
% 0.67/1.07  
% 0.67/1.07  EQP interrupted
%------------------------------------------------------------------------------