TSTP Solution File: GRP001-4 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n026.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 08:44:08 EDT 2022

% Result   : Unsatisfiable 0.74s 1.13s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   12 (  12 unt;   0 nHn;   4 RR)
%            Number of literals    :   12 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   14 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(multiply(A,B),C),multiply(A,multiply(B,C))),
    file('GRP001-4.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(identity,A),A),
    file('GRP001-4.p',unknown),
    [] ).

cnf(3,plain,
    equal(multiply(A,A),identity),
    file('GRP001-4.p',unknown),
    [] ).

cnf(4,plain,
    equal(multiply(a,b),c),
    file('GRP001-4.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(multiply(b,a),c),
    file('GRP001-4.p',unknown),
    [] ).

cnf(6,plain,
    equal(multiply(A,multiply(A,B)),B),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,1]),2]),1]),
    [iquote('para(3,1),demod([2]),flip(1)')] ).

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

cnf(9,plain,
    equal(multiply(A,identity),A),
    inference(para,[status(thm),theory(equality)],[3,6]),
    [iquote('para(3,6)')] ).

cnf(13,plain,
    equal(multiply(A,multiply(B,A)),B),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,6]),9]),1]),
    [iquote('para(7,6),demod([9]),flip(1)')] ).

cnf(14,plain,
    equal(multiply(A,B),multiply(B,A)),
    inference(para,[status(thm),theory(equality)],[13,6]),
    [iquote('para(13,6)')] ).

cnf(15,plain,
    equal(multiply(b,a),c),
    inference(para,[status(thm),theory(equality)],[14,4]),
    [iquote('para(14,4)')] ).

cnf(16,plain,
    $false,
    inference(conflict,[status(thm)],[15,5]),
    [iquote('conflict(15,5)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.14  % Command  : tptp2X_and_run_eqp %s
% 0.14/0.35  % Computer : n026.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Tue Jun 14 06:23:51 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.74/1.13  ----- EQP 0.9e, May 2009 -----
% 0.74/1.13  The job began on n026.cluster.edu, Tue Jun 14 06:23:52 2022
% 0.74/1.13  The command was "./eqp09e".
% 0.74/1.13  
% 0.74/1.13  set(prolog_style_variables).
% 0.74/1.13  set(lrpo).
% 0.74/1.13  set(basic_paramod).
% 0.74/1.13  set(functional_subsume).
% 0.74/1.13  set(ordered_paramod).
% 0.74/1.13  set(prime_paramod).
% 0.74/1.13  set(para_pairs).
% 0.74/1.13  assign(pick_given_ratio,4).
% 0.74/1.13  clear(print_kept).
% 0.74/1.13  clear(print_new_demod).
% 0.74/1.13  clear(print_back_demod).
% 0.74/1.13  clear(print_given).
% 0.74/1.13  assign(max_mem,64000).
% 0.74/1.13  end_of_commands.
% 0.74/1.13  
% 0.74/1.13  Usable:
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Sos:
% 0.74/1.13  0 (wt=-1) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.74/1.13  0 (wt=-1) [] multiply(identity,A) = A.
% 0.74/1.13  0 (wt=-1) [] multiply(A,A) = identity.
% 0.74/1.13  0 (wt=-1) [] multiply(a,b) = c.
% 0.74/1.13  0 (wt=-1) [] -(multiply(b,a) = c).
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Demodulators:
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Passive:
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Starting to process input.
% 0.74/1.13  
% 0.74/1.13  ** KEPT: 1 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.74/1.13  1 is a new demodulator.
% 0.74/1.13  
% 0.74/1.13  ** KEPT: 2 (wt=5) [] multiply(identity,A) = A.
% 0.74/1.13  2 is a new demodulator.
% 0.74/1.13  
% 0.74/1.13  ** KEPT: 3 (wt=5) [] multiply(A,A) = identity.
% 0.74/1.13  3 is a new demodulator.
% 0.74/1.13  
% 0.74/1.13  ** KEPT: 4 (wt=5) [] multiply(a,b) = c.
% 0.74/1.13  4 is a new demodulator.
% 0.74/1.13  
% 0.74/1.13  ** KEPT: 5 (wt=5) [] -(multiply(b,a) = c).
% 0.74/1.13  ---------------- PROOF FOUND ----------------
% 0.74/1.13  % SZS status Unsatisfiable
% 0.74/1.13  
% 0.74/1.13  
% 0.74/1.13  After processing input:
% 0.74/1.13  
% 0.74/1.13  Usable:
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Sos:
% 0.74/1.13  2 (wt=5) [] multiply(identity,A) = A.
% 0.74/1.13  3 (wt=5) [] multiply(A,A) = identity.
% 0.74/1.13  4 (wt=5) [] multiply(a,b) = c.
% 0.74/1.13  5 (wt=5) [] -(multiply(b,a) = c).
% 0.74/1.13  1 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Demodulators:
% 0.74/1.13  1 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.74/1.13  2 (wt=5) [] multiply(identity,A) = A.
% 0.74/1.13  3 (wt=5) [] multiply(A,A) = identity.
% 0.74/1.13  4 (wt=5) [] multiply(a,b) = c.
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  Passive:
% 0.74/1.13  end_of_list.
% 0.74/1.13  
% 0.74/1.13  UNIT CONFLICT from 15 and 5 at   0.00 seconds.
% 0.74/1.13  
% 0.74/1.13  ---------------- PROOF ----------------
% 0.74/1.13  % SZS output start Refutation
% See solution above
% 0.74/1.13  ------------ end of proof -------------
% 0.74/1.13  
% 0.74/1.13  
% 0.74/1.13  ------------- memory usage ------------
% 0.74/1.13  Memory dynamically allocated (tp_alloc): 488.
% 0.74/1.13    type (bytes each)        gets      frees     in use      avail      bytes
% 0.74/1.13  sym_ent (  96)               56          0         56          0      5.2 K
% 0.74/1.13  term (  16)                 956        843        113         12      2.4 K
% 0.74/1.13  gen_ptr (   8)              542        196        346         11      2.8 K
% 0.74/1.13  context ( 808)              594        592          2          3      3.9 K
% 0.74/1.13  trail (  12)                 49         49          0          3      0.0 K
% 0.74/1.13  bt_node (  68)              288        285          3          2      0.3 K
% 0.74/1.13  ac_position (285432)          0          0          0          0      0.0 K
% 0.74/1.13  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.74/1.13  ac_match_free_vars_pos (4020)
% 0.74/1.13                                0          0          0          0      0.0 K
% 0.74/1.13  discrim (  12)               97          3         94          0      1.1 K
% 0.74/1.13  flat (  40)                 703        703          0          9      0.4 K
% 0.74/1.13  discrim_pos (  12)           35         35          0          1      0.0 K
% 0.74/1.13  fpa_head (  12)              73          0         73          0      0.9 K
% 0.74/1.13  fpa_tree (  28)              29         29          0          7      0.2 K
% 0.74/1.13  fpa_pos (  36)               27         27          0          1      0.0 K
% 0.74/1.13  literal (  12)               57         42         15          1      0.2 K
% 0.74/1.13  clause (  24)                57         42         15          1      0.4 K
% 0.74/1.13  list (  12)                  71         15         56          3      0.7 K
% 0.74/1.13  list_pos (  20)              61         10         51          1      1.0 K
% 0.74/1.13  pair_index (   40)              2          0          2          0      0.1 K
% 0.74/1.13  
% 0.74/1.13  -------------- statistics -------------
% 0.74/1.13  Clauses input                  5
% 0.74/1.13    Usable input                   0
% 0.74/1.13    Sos input                      5
% 0.74/1.13    Demodulators input             0
% 0.74/1.13    Passive input                  0
% 0.74/1.13  
% 0.74/1.13  Processed BS (before search)   5
% 0.74/1.13  Forward subsumed BS            0
% 0.74/1.13  Kept BS                        5
% 0.74/1.13  New demodulators BS            4
% 0.74/1.13  Back demodulated BS            0
% 0.74/1.13  
% 0.74/1.13  Clauses or pairs given        52
% 0.74/1.13  Clauses generated             37
% 0.74/1.13  Forward subsumed              27
% 0.74/1.13  Deleted by weight              0
% 0.74/1.13  Deleted by variable count      0
% 0.74/1.13  Kept                          10
% 0.74/1.13  New demodulators               8
% 0.74/1.13  Back demodulated               1
% 0.74/1.13  Ordered paramod prunes         0
% 0.74/1.13  Basic paramod prunes          25
% 0.74/1.13  Prime paramod prunes           7
% 0.74/1.13  Semantic prunes                0
% 0.74/1.13  
% 0.74/1.13  Rewrite attmepts             205
% 0.74/1.13  Rewrites                      27
% 0.74/1.13  
% 0.74/1.13  FPA overloads                  0
% 0.74/1.13  FPA underloads                 0
% 0.74/1.13  
% 0.74/1.13  Usable size                    0
% 0.74/1.13  Sos size                      13
% 0.74/1.13  Demodulators size             11
% 0.74/1.13  Passive size                   0
% 0.74/1.13  Disabled size                  1
% 0.74/1.13  
% 0.74/1.13  Proofs found                   1
% 0.74/1.13  
% 0.74/1.13  ----------- times (seconds) ----------- Tue Jun 14 06:23:52 2022
% 0.74/1.13  
% 0.74/1.13  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.74/1.13  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.74/1.13  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.74/1.13  input time                0.00
% 0.74/1.13  paramodulation time       0.00
% 0.74/1.13  demodulation time         0.00
% 0.74/1.13  orient time               0.00
% 0.74/1.13  weigh time                0.00
% 0.74/1.13  forward subsume time      0.00
% 0.74/1.13  back demod find time      0.00
% 0.74/1.13  conflict time             0.00
% 0.74/1.13  LRPO time                 0.00
% 0.74/1.13  store clause time         0.00
% 0.74/1.13  disable clause time       0.00
% 0.74/1.13  prime paramod time        0.00
% 0.74/1.13  semantics time            0.00
% 0.74/1.13  
% 0.74/1.13  EQP interrupted
%------------------------------------------------------------------------------