TSTP Solution File: GRP418-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP418-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n016.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 08:46:45 EDT 2022

% Result   : Unsatisfiable 0.75s 1.43s
% Output   : Refutation 0.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    1
% Syntax   : Number of clauses     :   15 (  15 unt;   0 nHn;   3 RR)
%            Number of literals    :   15 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   14 (   3 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   52 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(inverse(multiply(inverse(multiply(A,inverse(multiply(inverse(B),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),multiply(A,C))),B),
    file('GRP418-1.p',unknown),
    [] ).

cnf(2,plain,
    ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

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

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

cnf(12,plain,
    equal(inverse(multiply(inverse(multiply(inverse(multiply(A,inverse(multiply(inverse(inverse(B)),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),inverse(multiply(inverse(D),inverse(multiply(multiply(A,C),inverse(multiply(inverse(multiply(A,C)),multiply(A,C))))))))),B)),D),
    inference(para,[status(thm),theory(equality)],[9,1]),
    [iquote('para(9,1)')] ).

cnf(74,plain,
    equal(inverse(multiply(inverse(multiply(A,B)),multiply(A,C))),multiply(inverse(multiply(D,inverse(multiply(inverse(inverse(inverse(multiply(C,inverse(multiply(inverse(C),C)))))),inverse(multiply(E,inverse(multiply(inverse(E),E)))))))),inverse(multiply(inverse(B),inverse(multiply(multiply(D,E),inverse(multiply(inverse(multiply(D,E)),multiply(D,E))))))))),
    inference(para,[status(thm),theory(equality)],[12,1]),
    [iquote('para(12,1)')] ).

cnf(75,plain,
    equal(multiply(inverse(multiply(A,inverse(multiply(inverse(inverse(inverse(multiply(B,inverse(multiply(inverse(B),B)))))),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),inverse(multiply(inverse(D),inverse(multiply(multiply(A,C),inverse(multiply(inverse(multiply(A,C)),multiply(A,C)))))))),inverse(multiply(inverse(multiply(E,D)),multiply(E,B)))),
    inference(flip,[status(thm),theory(equality)],[74]),
    [iquote('flip(74)')] ).

cnf(803,plain,
    equal(inverse(multiply(inverse(inverse(multiply(inverse(multiply(A,B)),multiply(A,C)))),inverse(multiply(C,inverse(multiply(inverse(C),C)))))),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[75,1]),9]),
    [iquote('para(75,1),demod([9])')] ).

cnf(809,plain,
    equal(inverse(multiply(inverse(multiply(A,B)),multiply(A,C))),inverse(multiply(inverse(multiply(D,B)),multiply(D,C)))),
    inference(para,[status(thm),theory(equality)],[803,1]),
    [iquote('para(803,1)')] ).

cnf(818,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,C)),multiply(inverse(multiply(D,B)),multiply(D,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[809,1]),1]),
    [iquote('para(809,1),demod([1])')] ).

cnf(826,plain,
    equal(multiply(A,multiply(inverse(multiply(B,inverse(multiply(inverse(A),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),D)),multiply(inverse(multiply(E,multiply(B,C))),multiply(E,D))),
    inference(para,[status(thm),theory(equality)],[1,818]),
    [iquote('para(1,818)')] ).

cnf(1087,plain,
    equal(multiply(inverse(A),A),multiply(inverse(multiply(B,multiply(C,D))),multiply(B,multiply(C,D)))),
    inference(para,[status(thm),theory(equality)],[9,826]),
    [iquote('para(9,826)')] ).

cnf(1088,plain,
    equal(multiply(inverse(multiply(A,multiply(B,C))),multiply(A,multiply(B,C))),multiply(inverse(D),D)),
    inference(flip,[status(thm),theory(equality)],[1087]),
    [iquote('flip(1087)')] ).

cnf(1089,plain,
    ~ equal(multiply(inverse(multiply(A,multiply(B,C))),multiply(A,multiply(B,C))),multiply(inverse(a1),a1)),
    inference(para,[status(thm),theory(equality)],[1087,2]),
    [iquote('para(1087,2)')] ).

cnf(1090,plain,
    $false,
    inference(conflict,[status(thm)],[1089,1088]),
    [iquote('conflict(1089,1088)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP418-1 : TPTP v8.1.0. Released v2.6.0.
% 0.04/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.14/0.34  % Computer : n016.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Tue Jun 14 08:50:31 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.75/1.43  ----- EQP 0.9e, May 2009 -----
% 0.75/1.43  The job began on n016.cluster.edu, Tue Jun 14 08:50:31 2022
% 0.75/1.43  The command was "./eqp09e".
% 0.75/1.43  
% 0.75/1.43  set(prolog_style_variables).
% 0.75/1.43  set(lrpo).
% 0.75/1.43  set(basic_paramod).
% 0.75/1.43  set(functional_subsume).
% 0.75/1.43  set(ordered_paramod).
% 0.75/1.43  set(prime_paramod).
% 0.75/1.43  set(para_pairs).
% 0.75/1.43  assign(pick_given_ratio,4).
% 0.75/1.43  clear(print_kept).
% 0.75/1.43  clear(print_new_demod).
% 0.75/1.43  clear(print_back_demod).
% 0.75/1.43  clear(print_given).
% 0.75/1.43  assign(max_mem,64000).
% 0.75/1.43  end_of_commands.
% 0.75/1.43  
% 0.75/1.43  Usable:
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Sos:
% 0.75/1.43  0 (wt=-1) [] inverse(multiply(inverse(multiply(A,inverse(multiply(inverse(B),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),multiply(A,C))) = B.
% 0.75/1.43  0 (wt=-1) [] -(multiply(inverse(a1),a1) = multiply(inverse(b1),b1)).
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Demodulators:
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Passive:
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Starting to process input.
% 0.75/1.43  
% 0.75/1.43  ** KEPT: 1 (wt=22) [] inverse(multiply(inverse(multiply(A,inverse(multiply(inverse(B),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),multiply(A,C))) = B.
% 0.75/1.43  1 is a new demodulator.
% 0.75/1.43  
% 0.75/1.43  ** KEPT: 2 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.75/1.43  ---------------- PROOF FOUND ----------------
% 0.75/1.43  % SZS status Unsatisfiable
% 0.75/1.43  
% 0.75/1.43  
% 0.75/1.43  After processing input:
% 0.75/1.43  
% 0.75/1.43  Usable:
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Sos:
% 0.75/1.43  2 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.75/1.43  1 (wt=22) [] inverse(multiply(inverse(multiply(A,inverse(multiply(inverse(B),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),multiply(A,C))) = B.
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Demodulators:
% 0.75/1.43  1 (wt=22) [] inverse(multiply(inverse(multiply(A,inverse(multiply(inverse(B),inverse(multiply(C,inverse(multiply(inverse(C),C)))))))),multiply(A,C))) = B.
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  Passive:
% 0.75/1.43  end_of_list.
% 0.75/1.43  
% 0.75/1.43  UNIT CONFLICT from 1089 and 1088 at   0.31 seconds.
% 0.75/1.43  
% 0.75/1.43  ---------------- PROOF ----------------
% 0.75/1.43  % SZS output start Refutation
% See solution above
% 0.75/1.44  ------------ end of proof -------------
% 0.75/1.44  
% 0.75/1.44  
% 0.75/1.44  ------------- memory usage ------------
% 0.75/1.44  Memory dynamically allocated (tp_alloc): 18554.
% 0.75/1.44    type (bytes each)        gets      frees     in use      avail      bytes
% 0.75/1.44  sym_ent (  96)               55          0         55          0      5.2 K
% 0.75/1.44  term (  16)              352903     158148     194755        486   3809.1 K
% 0.75/1.44  gen_ptr (   8)          1579769       3551    1576218         14  12314.3 K
% 0.75/1.44  context ( 808)           256780     256778          2          2      3.2 K
% 0.75/1.44  trail (  12)              10506      10506          0         15      0.2 K
% 0.75/1.44  bt_node (  68)            40042      40038          4        228     15.4 K
% 0.75/1.44  ac_position (285432)          0          0          0          0      0.0 K
% 0.75/1.44  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.75/1.44  ac_match_free_vars_pos (4020)
% 0.75/1.44                                0          0          0          0      0.0 K
% 0.75/1.44  discrim (  12)           176517        268     176249          0   2065.4 K
% 0.75/1.44  flat (  40)             1358980    1358980          0        917     35.8 K
% 0.75/1.44  discrim_pos (  12)          890        890          0          1      0.0 K
% 0.75/1.44  fpa_head (  12)            2903          0       2903          0     34.0 K
% 0.75/1.44  fpa_tree (  28)            3571       3571          0         21      0.6 K
% 0.75/1.44  fpa_pos (  36)             1422       1422          0          1      0.0 K
% 0.75/1.44  literal (  12)             3778       2689       1089          1     12.8 K
% 0.75/1.44  clause (  24)              3778       2689       1089          1     25.5 K
% 0.75/1.44  list (  12)                 392        336         56          3      0.7 K
% 0.75/1.44  list_pos (  20)            3615         42       3573          0     69.8 K
% 0.75/1.44  pair_index (   40)              2          0          2          0      0.1 K
% 0.75/1.44  
% 0.75/1.44  -------------- statistics -------------
% 0.75/1.44  Clauses input                  2
% 0.75/1.44    Usable input                   0
% 0.75/1.44    Sos input                      2
% 0.75/1.44    Demodulators input             0
% 0.75/1.44    Passive input                  0
% 0.75/1.44  
% 0.75/1.44  Processed BS (before search)   2
% 0.75/1.44  Forward subsumed BS            0
% 0.75/1.44  Kept BS                        2
% 0.75/1.44  New demodulators BS            1
% 0.75/1.44  Back demodulated BS            0
% 0.75/1.44  
% 0.75/1.44  Clauses or pairs given      1517
% 0.75/1.44  Clauses generated           1922
% 0.75/1.44  Forward subsumed             835
% 0.75/1.44  Deleted by weight              0
% 0.75/1.44  Deleted by variable count      0
% 0.75/1.44  Kept                        1087
% 0.75/1.44  New demodulators             332
% 0.75/1.44  Back demodulated               8
% 0.75/1.44  Ordered paramod prunes         0
% 0.75/1.44  Basic paramod prunes       26244
% 0.75/1.44  Prime paramod prunes           0
% 0.75/1.44  Semantic prunes                0
% 0.75/1.44  
% 0.75/1.44  Rewrite attmepts          192481
% 0.75/1.44  Rewrites                     278
% 0.75/1.44  
% 0.75/1.44  FPA overloads                  0
% 0.75/1.44  FPA underloads                 0
% 0.75/1.44  
% 0.75/1.44  Usable size                    0
% 0.75/1.44  Sos size                    1080
% 0.75/1.44  Demodulators size            325
% 0.75/1.44  Passive size                   0
% 0.75/1.44  Disabled size                  8
% 0.75/1.44  
% 0.75/1.44  Proofs found                   1
% 0.75/1.44  
% 0.75/1.44  ----------- times (seconds) ----------- Tue Jun 14 08:50:32 2022
% 0.75/1.44  
% 0.75/1.44  user CPU time             0.31   (0 hr, 0 min, 0 sec)
% 0.75/1.44  system CPU time           0.04   (0 hr, 0 min, 0 sec)
% 0.75/1.44  wall-clock time           1      (0 hr, 0 min, 1 sec)
% 0.75/1.44  input time                0.00
% 0.75/1.44  paramodulation time       0.03
% 0.75/1.44  demodulation time         0.04
% 0.75/1.44  orient time               0.01
% 0.75/1.44  weigh time                0.00
% 0.75/1.44  forward subsume time      0.01
% 0.75/1.44  back demod find time      0.01
% 0.75/1.44  conflict time             0.00
% 0.75/1.44  LRPO time                 0.00
% 0.75/1.44  store clause time         0.17
% 0.75/1.44  disable clause time       0.00
% 0.75/1.44  prime paramod time        0.01
% 0.75/1.44  semantics time            0.00
% 0.75/1.44  
% 0.75/1.44  EQP interrupted
%------------------------------------------------------------------------------