TSTP Solution File: ROB003-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : ROB003-1 : TPTP v8.1.0. Released v1.0.0.
% 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 : Mon Jul 18 20:51:35 EDT 2022

% Result   : Unsatisfiable 0.41s 1.05s
% Output   : Refutation 0.41s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   20 (  20 unt;   0 nHn;   5 RR)
%            Number of literals    :   20 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   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   :   21 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(add(A,B),add(B,A)),
    file('ROB003-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(add(add(A,B),C),add(A,add(B,C))),
    file('ROB003-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(negate(add(negate(add(A,B)),negate(add(A,negate(B))))),A),
    file('ROB003-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(add(A,c),c),
    file('ROB003-1.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))),b),
    file('ROB003-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(add(c,A),c),
    inference(para,[status(thm),theory(equality)],[1,4]),
    [iquote('para(1,4)')] ).

cnf(10,plain,
    equal(negate(add(negate(add(A,B)),negate(add(B,negate(A))))),B),
    inference(para,[status(thm),theory(equality)],[1,3]),
    [iquote('para(1,3)')] ).

cnf(14,plain,
    equal(negate(add(negate(c),negate(add(A,negate(c))))),A),
    inference(para,[status(thm),theory(equality)],[4,3]),
    [iquote('para(4,3)')] ).

cnf(15,plain,
    equal(negate(add(negate(c),negate(c))),c),
    inference(para,[status(thm),theory(equality)],[6,14]),
    [iquote('para(6,14)')] ).

cnf(20,plain,
    ~ equal(add(negate(add(a,negate(b))),negate(add(negate(b),negate(a)))),b),
    inference(para,[status(thm),theory(equality)],[1,5]),
    [iquote('para(1,5)')] ).

cnf(21,plain,
    equal(negate(add(negate(c),negate(add(negate(c),A)))),A),
    inference(para,[status(thm),theory(equality)],[1,14]),
    [iquote('para(1,14)')] ).

cnf(22,plain,
    equal(negate(add(negate(add(A,negate(c))),negate(c))),A),
    inference(para,[status(thm),theory(equality)],[1,14]),
    [iquote('para(1,14)')] ).

cnf(23,plain,
    equal(negate(add(negate(add(negate(c),A)),negate(c))),A),
    inference(para,[status(thm),theory(equality)],[1,21]),
    [iquote('para(1,21)')] ).

cnf(36,plain,
    equal(add(negate(c),A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[15,10]),2,4,23]),
    [iquote('para(15,10),demod([2,4,23])')] ).

cnf(37,plain,
    equal(negate(add(negate(A),negate(c))),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[23]),36]),
    [iquote('back_demod(23),demod([36])')] ).

cnf(38,plain,
    equal(add(A,negate(c)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[22]),37]),
    [iquote('back_demod(22),demod([37])')] ).

cnf(39,plain,
    equal(negate(negate(A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[37]),38]),
    [iquote('back_demod(37),demod([38])')] ).

cnf(55,plain,
    equal(add(negate(add(A,B)),negate(add(B,negate(A)))),negate(B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[10,39]),1]),
    [iquote('para(10,39),flip(1)')] ).

cnf(56,plain,
    ~ equal(b,b),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[20]),55,39]),
    [iquote('back_demod(20),demod([55,39])')] ).

cnf(57,plain,
    $false,
    inference(conflict,[status(thm)],[56]),
    [iquote('xx_conflict(56)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : ROB003-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n024.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Thu Jun  9 13:17:04 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.41/1.05  ----- EQP 0.9e, May 2009 -----
% 0.41/1.05  The job began on n024.cluster.edu, Thu Jun  9 13:17:05 2022
% 0.41/1.05  The command was "./eqp09e".
% 0.41/1.05  
% 0.41/1.05  set(prolog_style_variables).
% 0.41/1.05  set(lrpo).
% 0.41/1.05  set(basic_paramod).
% 0.41/1.05  set(functional_subsume).
% 0.41/1.05  set(ordered_paramod).
% 0.41/1.05  set(prime_paramod).
% 0.41/1.05  set(para_pairs).
% 0.41/1.05  assign(pick_given_ratio,4).
% 0.41/1.05  clear(print_kept).
% 0.41/1.05  clear(print_new_demod).
% 0.41/1.05  clear(print_back_demod).
% 0.41/1.05  clear(print_given).
% 0.41/1.05  assign(max_mem,64000).
% 0.41/1.05  end_of_commands.
% 0.41/1.05  
% 0.41/1.05  Usable:
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Sos:
% 0.41/1.05  0 (wt=-1) [] add(A,B) = add(B,A).
% 0.41/1.05  0 (wt=-1) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.41/1.05  0 (wt=-1) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.41/1.05  0 (wt=-1) [] add(A,c) = c.
% 0.41/1.05  0 (wt=-1) [] -(add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))) = b).
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Demodulators:
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Passive:
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Starting to process input.
% 0.41/1.05  
% 0.41/1.05  ** KEPT: 1 (wt=7) [] add(A,B) = add(B,A).
% 0.41/1.05  clause forward subsumed: 0 (wt=7) [flip(1)] add(B,A) = add(A,B).
% 0.41/1.05  
% 0.41/1.05  ** KEPT: 2 (wt=11) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.41/1.05  2 is a new demodulator.
% 0.41/1.05  
% 0.41/1.05  ** KEPT: 3 (wt=13) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.41/1.05  3 is a new demodulator.
% 0.41/1.05  
% 0.41/1.05  ** KEPT: 4 (wt=5) [] add(A,c) = c.
% 0.41/1.05  4 is a new demodulator.
% 0.41/1.05  
% 0.41/1.05  ** KEPT: 5 (wt=14) [] -(add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))) = b).
% 0.41/1.05  ---------------- PROOF FOUND ----------------
% 0.41/1.05  % SZS status Unsatisfiable
% 0.41/1.05  
% 0.41/1.05  
% 0.41/1.05  After processing input:
% 0.41/1.05  
% 0.41/1.05  Usable:
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Sos:
% 0.41/1.05  4 (wt=5) [] add(A,c) = c.
% 0.41/1.05  1 (wt=7) [] add(A,B) = add(B,A).
% 0.41/1.05  2 (wt=11) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.41/1.05  3 (wt=13) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.41/1.05  5 (wt=14) [] -(add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))) = b).
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Demodulators:
% 0.41/1.05  2 (wt=11) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.41/1.05  3 (wt=13) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.41/1.05  4 (wt=5) [] add(A,c) = c.
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  Passive:
% 0.41/1.05  end_of_list.
% 0.41/1.05  
% 0.41/1.05  UNIT CONFLICT from 56 and x=x at   0.00 seconds.
% 0.41/1.05  
% 0.41/1.05  ---------------- PROOF ----------------
% 0.41/1.05  % SZS output start Refutation
% See solution above
% 0.41/1.05  ------------ end of proof -------------
% 0.41/1.05  
% 0.41/1.05  
% 0.41/1.05  ------------- memory usage ------------
% 0.41/1.05  Memory dynamically allocated (tp_alloc): 488.
% 0.41/1.05    type (bytes each)        gets      frees     in use      avail      bytes
% 0.41/1.05  sym_ent (  96)               56          0         56          0      5.2 K
% 0.41/1.05  term (  16)                4294       3536        758         20     15.0 K
% 0.41/1.05  gen_ptr (   8)             4395       1145       3250         19     25.5 K
% 0.41/1.05  context ( 808)             3601       3599          2          3      3.9 K
% 0.41/1.05  trail (  12)                153        153          0          3      0.0 K
% 0.41/1.05  bt_node (  68)             1332       1330          2          9      0.7 K
% 0.41/1.05  ac_position (285432)          0          0          0          0      0.0 K
% 0.41/1.05  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.41/1.05  ac_match_free_vars_pos (4020)
% 0.41/1.05                                0          0          0          0      0.0 K
% 0.41/1.05  discrim (  12)              558        138        420         43      5.4 K
% 0.41/1.05  flat (  40)                6389       6389          0         20      0.8 K
% 0.41/1.05  discrim_pos (  12)          224        224          0          1      0.0 K
% 0.41/1.05  fpa_head (  12)             353          0        353          0      4.1 K
% 0.41/1.05  fpa_tree (  28)             131        131          0          5      0.1 K
% 0.41/1.05  fpa_pos (  36)               93         93          0          1      0.0 K
% 0.41/1.05  literal (  12)              287        231         56          0      0.7 K
% 0.41/1.05  clause (  24)               287        231         56          0      1.3 K
% 0.41/1.05  list (  12)                  97         40         57          4      0.7 K
% 0.41/1.05  list_pos (  20)             236         67        169          8      3.5 K
% 0.41/1.05  pair_index (   40)              2          0          2          0      0.1 K
% 0.41/1.05  
% 0.41/1.05  -------------- statistics -------------
% 0.41/1.05  Clauses input                  5
% 0.41/1.05    Usable input                   0
% 0.41/1.05    Sos input                      5
% 0.41/1.05    Demodulators input             0
% 0.41/1.05    Passive input                  0
% 0.41/1.05  
% 0.41/1.05  Processed BS (before search)   6
% 0.41/1.05  Forward subsumed BS            1
% 0.41/1.05  Kept BS                        5
% 0.41/1.05  New demodulators BS            3
% 0.41/1.05  Back demodulated BS            0
% 0.41/1.05  
% 0.41/1.05  Clauses or pairs given       146
% 0.41/1.05  Clauses generated            184
% 0.41/1.05  Forward subsumed             133
% 0.41/1.05  Deleted by weight              0
% 0.41/1.05  Deleted by variable count      0
% 0.41/1.05  Kept                          51
% 0.41/1.05  New demodulators              35
% 0.41/1.05  Back demodulated              12
% 0.41/1.05  Ordered paramod prunes         0
% 0.41/1.05  Basic paramod prunes         206
% 0.41/1.05  Prime paramod prunes           0
% 0.41/1.05  Semantic prunes                0
% 0.41/1.05  
% 0.41/1.05  Rewrite attmepts            1592
% 0.41/1.05  Rewrites                     193
% 0.41/1.05  
% 0.41/1.05  FPA overloads                  0
% 0.41/1.05  FPA underloads                 0
% 0.41/1.05  
% 0.41/1.05  Usable size                    0
% 0.41/1.05  Sos size                      43
% 0.41/1.05  Demodulators size             27
% 0.41/1.05  Passive size                   0
% 0.41/1.05  Disabled size                 12
% 0.41/1.05  
% 0.41/1.05  Proofs found                   1
% 0.41/1.05  
% 0.41/1.05  ----------- times (seconds) ----------- Thu Jun  9 13:17:05 2022
% 0.41/1.05  
% 0.41/1.05  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.41/1.05  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.41/1.05  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.41/1.05  input time                0.00
% 0.41/1.05  paramodulation time       0.00
% 0.41/1.05  demodulation time         0.00
% 0.41/1.05  orient time               0.00
% 0.41/1.05  weigh time                0.00
% 0.41/1.05  forward subsume time      0.00
% 0.41/1.05  back demod find time      0.00
% 0.41/1.05  conflict time             0.00
% 0.41/1.05  LRPO time                 0.00
% 0.41/1.05  store clause time         0.00
% 0.41/1.05  disable clause time       0.00
% 0.41/1.05  prime paramod time        0.00
% 0.41/1.05  semantics time            0.00
% 0.41/1.05  
% 0.41/1.05  EQP interrupted
%------------------------------------------------------------------------------