TSTP Solution File: SEU369+1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : SEU369+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n023.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 : Tue Jul 19 14:29:09 EDT 2022

% Result   : Unknown 3.18s 3.43s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU369+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.13  % Command  : sos-script %s
% 0.12/0.34  % Computer : n023.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 : Sun Jun 19 20:12:33 EDT 2022
% 0.12/0.35  % CPUTime  : 
% 0.20/0.38  ----- Otter 3.2, August 2001 -----
% 0.20/0.38  The process was started by sandbox on n023.cluster.edu,
% 0.20/0.38  Sun Jun 19 20:12:33 2022
% 0.20/0.38  The command was "./sos".  The process ID is 1465.
% 0.20/0.38  
% 0.20/0.38  set(prolog_style_variables).
% 0.20/0.38  set(auto).
% 0.20/0.38     dependent: set(auto1).
% 0.20/0.38     dependent: set(process_input).
% 0.20/0.38     dependent: clear(print_kept).
% 0.20/0.38     dependent: clear(print_new_demod).
% 0.20/0.38     dependent: clear(print_back_demod).
% 0.20/0.38     dependent: clear(print_back_sub).
% 0.20/0.38     dependent: set(control_memory).
% 0.20/0.38     dependent: assign(max_mem, 12000).
% 0.20/0.38     dependent: assign(pick_given_ratio, 4).
% 0.20/0.38     dependent: assign(stats_level, 1).
% 0.20/0.38     dependent: assign(pick_semantic_ratio, 3).
% 0.20/0.38     dependent: assign(sos_limit, 5000).
% 0.20/0.38     dependent: assign(max_weight, 60).
% 0.20/0.38  clear(print_given).
% 0.20/0.38  
% 0.20/0.38  formula_list(usable).
% 0.20/0.38  
% 0.20/0.38  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=9.
% 0.20/0.38  
% 0.20/0.38  This ia a non-Horn set with equality.  The strategy will be
% 0.20/0.38  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.20/0.38  unit deletion, with positive clauses in sos and nonpositive
% 0.20/0.38  clauses in usable.
% 0.20/0.38  
% 0.20/0.38     dependent: set(knuth_bendix).
% 0.20/0.38     dependent: set(para_from).
% 0.20/0.38     dependent: set(para_into).
% 0.20/0.38     dependent: clear(para_from_right).
% 0.20/0.38     dependent: clear(para_into_right).
% 0.20/0.38     dependent: set(para_from_vars).
% 0.20/0.38     dependent: set(eq_units_both_ways).
% 0.20/0.38     dependent: set(dynamic_demod_all).
% 0.20/0.38     dependent: set(dynamic_demod).
% 0.20/0.38     dependent: set(order_eq).
% 0.20/0.38     dependent: set(back_demod).
% 0.20/0.38     dependent: set(lrpo).
% 0.20/0.38     dependent: set(hyper_res).
% 0.20/0.38     dependent: set(unit_deletion).
% 0.20/0.38     dependent: set(factor).
% 0.20/0.38  
% 0.20/0.38  ------------> process usable:
% 0.20/0.38    Following clause subsumed by 16 during input processing: 0 [] {-} -latt_str(A)|empty_carrier(A)| -lattice(A)| -distributive_lattstr(A)|join_commutative(A).
% 0.20/0.38    Following clause subsumed by 17 during input processing: 0 [] {-} -latt_str(A)|empty_carrier(A)| -lattice(A)| -distributive_lattstr(A)|join_associative(A).
% 0.20/0.38    Following clause subsumed by 18 during input processing: 0 [] {-} -latt_str(A)|empty_carrier(A)| -lattice(A)| -distributive_lattstr(A)|meet_commutative(A).
% 0.20/0.38    Following clause subsumed by 19 during input processing: 0 [] {-} -latt_str(A)|empty_carrier(A)| -lattice(A)| -distributive_lattstr(A)|meet_associative(A).
% 0.20/0.38    Following clause subsumed by 20 during input processing: 0 [] {-} -latt_str(A)|empty_carrier(A)| -lattice(A)| -distributive_lattstr(A)|meet_absorbing(A).
% 0.20/0.38    Following clause subsumed by 21 during input processing: 0 [] {-} -latt_str(A)|empty_carrier(A)| -lattice(A)| -distributive_lattstr(A)|join_absorbing(A).
% 0.20/0.38    Following clause subsumed by 78 during input processing: 0 [] {-} -empty_carrier(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 49 during input processing: 0 [] {-} empty(A)| -relation_of2(B,A,A)|strict_rel_str(rel_str_of(A,B)).
% 0.20/0.38    Following clause subsumed by 49 during input processing: 0 [] {-} -relation_of2(A,singleton(B),singleton(B))|strict_rel_str(rel_str_of(singleton(B),A)).
% 0.20/0.38    Following clause subsumed by 58 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|strict_rel_str(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 59 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|reflexive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 60 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|transitive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 61 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|antisymmetric_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 78 during input processing: 0 [] {-} -empty_carrier(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 84 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)| -empty_carrier(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 58 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)|strict_rel_str(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 59 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)|reflexive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 60 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)|transitive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 61 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)|antisymmetric_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 85 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)|with_suprema_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 86 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -upper_bounded_semilattstr(A)| -latt_str(A)|with_infima_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 78 during input processing: 0 [] {-} -empty_carrier(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 51 during input processing: 0 [] {-} empty(A)| -function(B)| -quasi_total(B,cartesian_product2(A,A),A)| -relation_of2(B,cartesian_product2(A,A),A)| -function(C)| -quasi_total(C,cartesian_product2(A,A),A)| -relation_of2(C,cartesian_product2(A,A),A)|strict_latt_str(latt_str_of(A,B,C)).
% 0.20/0.38    Following clause subsumed by 49 during input processing: 0 [] {-} -reflexive(A)| -antisymmetric(A)| -transitive(A)| -v1_partfun1(A,B,B)| -relation_of2(A,B,B)|strict_rel_str(rel_str_of(B,A)).
% 0.20/0.38    Following clause subsumed by 84 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)| -empty_carrier(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 58 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)|strict_rel_str(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 59 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)|reflexive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 60 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)|transitive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 61 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)|antisymmetric_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 85 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)|with_suprema_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 86 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -lower_bounded_semilattstr(A)| -latt_str(A)|with_infima_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 84 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)| -empty_carrier(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 58 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|strict_rel_str(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 59 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|reflexive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 60 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|transitive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 61 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -latt_str(A)|antisymmetric_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 84 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)| -empty_carrier(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 58 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)|strict_rel_str(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 59 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)|reflexive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 60 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)|transitive_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 61 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)|antisymmetric_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 85 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)|with_suprema_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 86 during input processing: 0 [] {-} empty_carrier(A)| -lattice(A)| -complete_latt_str(A)| -latt_str(A)|with_infima_relstr(poset_of_lattice(A)).
% 0.20/0.38    Following clause subsumed by 105 during input processing: 0 [] {-} -empty_carrier(boole_POSet(A)).
% 0.20/0.38  16 back subsumes 6.
% 0.20/0.38  17 back subsumes 7.
% 0.20/0.38  18 back subsumes 8.
% 0.20/0.38  19 back subsumes 9.
% 0.20/0.38  20 back subsumes 10.
% 0.20/0.38  21 back subsumes 11.
% 0.20/0.38  
% 0.20/0.38  ------------> process sos:
% 0.20/0.38    Following clause subsumed by 177 during input processing: 0 [] {-} strict_latt_str(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 177 during input processing: 0 [] {-} strict_latt_str(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 177 during input processing: 0 [] {-} strict_latt_str(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 189 during input processing: 0 [] {-} join_commutative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 190 during input processing: 0 [] {-} join_associative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 191 during input processing: 0 [] {-} meet_commutative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 192 during input processing: 0 [] {-} meet_associative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 193 during input processing: 0 [] {-} meet_absorbing(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 194 during input processing: 0 [] {-} join_absorbing(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 195 during input processing: 0 [] {-} lattice(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 177 during input processing: 0 [] {-} strict_latt_str(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 189 during input processing: 0 [] {-} join_commutative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 190 during input processing: 0 [] {-} join_associative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 191 during input processing: 0 [] {-} meet_commutative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 192 during input processing: 0 [] {-} meet_associative(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 193 during input processing: 0 [] {-} meet_absorbing(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 194 during input processing: 0 [] {-} join_absorbing(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 195 during input processing: 0 [] {-} lattice(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 196 during input processing: 0 [] {-} distributive_lattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 197 during input processing: 0 [] {-} modular_lattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 198 during input processing: 0 [] {-} lower_bounded_semilattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 199 during input processing: 0 [] {-} upper_bounded_semilattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 200 during input processing: 0 [] {-} bounded_lattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 201 during input processing: 0 [] {-} complemented_lattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 202 during input processing: 0 [] {-} boolean_lattstr(boole_lattice(A)).
% 0.20/0.38    Following clause subsumed by 179 during input processing: 0 [] {-} strict_rel_str(boole_POSet(A)).
% 0.20/0.38    Following clause subsumed by 179 during input processing: 0 [] {-} strict_rel_str(boole_POSet(A)).
% 0.20/0.38    Following clause subsumed by 205 during input processing: 0 [] {-} reflexive_relstr(boole_POSet(A)).
% 0.20/0.38    Following clause subsumed by 206 during input processing: 0 [] {-} transitive_relstr(boole_POSet(A)).
% 0.20/0.38    Following clause subsumed by 207 during input processing: 0 [] {-} antisymmetric_relstr(boole_POSet(A)).
% 0.20/0.38    Following clause subsumed by 170 during input processing: 0 [copy,170,flip.1] {-} unordered_pair(A,B)=unordered_pair(B,A).
% 0.20/0.38  328 back subsumes 165.
% 0.20/0.38    Following clause subsumed by 332 during input processing: 0 [copy,332,flip.1] {-} A=A.
% 0.20/0.38  332 back subsumes 169.
% 0.20/0.38  
% 0.20/0.38  ======= end of input processing =======
% 0.47/0.71  
% 0.47/0.71  Stopped by limit on insertions
% 0.47/0.71  
% 0.47/0.71  
% 0.47/0.71  Failed to model usable list: disabling FINDER
% 0.47/0.71  
% 0.47/0.71  
% 0.47/0.71  
% 0.47/0.71  -------------- Softie stats --------------
% 0.47/0.71  
% 0.47/0.71  UPDATE_STOP: 300
% 0.47/0.71  SFINDER_TIME_LIMIT: 2
% 0.47/0.71  SHORT_CLAUSE_CUTOFF: 4
% 0.47/0.71  number of clauses in intial UL: 155
% 0.47/0.71  number of clauses initially in problem: 316
% 0.47/0.71  percentage of clauses intially in UL: 49
% 0.47/0.71  percentage of distinct symbols occuring in initial UL: 87
% 0.47/0.71  percent of all initial clauses that are short: 99
% 0.47/0.71  absolute distinct symbol count: 100
% 0.47/0.71     distinct predicate count: 51
% 0.47/0.71     distinct function count: 24
% 0.47/0.71     distinct constant count: 25
% 0.47/0.71  
% 0.47/0.71  ---------- no more Softie stats ----------
% 0.47/0.71  
% 0.47/0.71  
% 0.47/0.71  
% 0.47/0.71  =========== start of search ===========
% 2.86/3.12  
% 2.86/3.12  
% 2.86/3.12  Changing weight limit from 60 to 56.
% 2.86/3.12  
% 2.86/3.12  Resetting weight limit to 56 after 245 givens.
% 2.86/3.12  
% 3.18/3.42  element($f6(A),B).
% 3.18/3.42  
% 3.18/3.42  ------------- memory usage ------------
% 3.18/3.42  326 mallocs of 32700 bytes each, 10410.4 K.
% 3.18/3.42    type (bytes each)        gets      frees     in use      avail      bytes
% 3.18/3.42  sym_ent ( 304)              215          0        215          0     63.8 K
% 3.18/3.42  term (  32)             1795241    1761108      34133       1487   1113.1 K
% 3.18/3.42  rel (  40)              1518594    1453262      65332       3025   2670.2 K
% 3.18/3.42  term_ptr (  16)          267414      54028     213386       9883   3488.6 K
% 3.18/3.42  formula_ptr_2 (  56)          0          0          0          0      0.0 K
% 3.18/3.42  fpa_head (  24)            6016        303       5713         99    136.2 K
% 3.18/3.42  fpa_tree (  56)           15922      15922          0        285     15.6 K
% 3.18/3.42  context (1288)           122527     122527          0          9     11.3 K
% 3.18/3.42  trail (  24)            1374790    1374790          0         13      0.3 K
% 3.18/3.42  imd_tree (  32)             157          0        157          0      4.9 K
% 3.18/3.42  imd_pos (4024)              795        795          0          4     15.7 K
% 3.18/3.42  is_tree (  24)            10779       1335       9444        535    233.9 K
% 3.18/3.42  is_pos (2424)           1621600    1621600          0         12     28.4 K
% 3.18/3.42  fsub_pos (  16)          100445     100445          0          1      0.0 K
% 3.18/3.42  literal (  32)           273435     242679      30756       1221    999.3 K
% 3.18/3.42  clause (  88)             36946      30658       6288        147    553.0 K
% 3.18/3.42  list ( 272)                 132        125          7          2      2.4 K
% 3.18/3.42  clash_nd (  80)            4199       4199          0          7      0.5 K
% 3.18/3.42  clause_ptr (  16)          6606        615       5991        145     95.9 K
% 3.18/3.42  int_ptr (  16)           103312      53767      49545       1320    794.8 K
% 3.18/3.42  ci_ptr (  24)                 0          0          0          0      0.0 K
% 3.18/3.42  link_node ( 120)              0          0          0          0      0.0 K
% 3.18/3.42  ans_lit_node(  24)            0          0          0          0      0.0 K
% 3.18/3.42  formula_box( 168)             0          0          0          0      0.0 K
% 3.18/3.42  formula(  40)              2423       2423          0       1104     43.1 K
% 3.18/3.42  formula_ptr(  16)           122        122          0        122      1.9 K
% 3.18/3.42  cl_attribute(  24)            0          0          0          0      0.0 K
% 3.18/3.42  
% 3.18/3.42  ********** is_delete, can't find end.
% 3.18/3.42         0.00
% 3.18/3.42  FINDER time            0.00
% 3.18/3.42    unindex time         0.00
% 3.18/3.42  
% 3.18/3.42  Forward subsumption counts, subsumer:number_subsumed.
% 3.18/3.42   1:0     2:0     3:0     4:0     5:0     6:0     7:0     8:0     9:0    10:0   
% 3.18/3.42  11:0    12:0    13:0    14:0    15:0    16:1    17:1    18:1    19:1    20:1   
% 3.18/3.42  21:1    22:0    23:0    24:0    25:0    26:0    27:0    28:0    29:0    30:0   
% 3.18/3.42  31:0    32:0    33:0    34:0    35:0    36:0    37:0    38:0    39:0    40:0   
% 3.18/3.42  41:0    42:0    43:0    44:0    45:0    46:0    47:0    48:0    49:3    50:0   
% 3.18/3.42  51:1    52:0    53:0    54:0    55:0    56:0    57:0    58:5    59:5    60:5   
% 3.18/3.42  61:5    62:0    63:0    64:0    65:0    66:0    67:0    68:0    69:0    70:0   
% 3.18/3.42  71:0    72:0    73:0    74:0    75:0    76:0    77:0    78:3    79:0    80:0   
% 3.18/3.42  81:2    82:0    83:0    84:4    85:3    86:3    87:0    88:0    89:0    90:0   
% 3.18/3.42  91:0    92:2    93:0    94:0    95:0    96:0    97:0    98:86   99:0    
% 3.18/3.42  All others: 5687.
% 3.18/3.42  
% 3.18/3.42  ********** ABNORMAL END **********
% 3.18/3.42  
% 3.18/3.42  ********** is_delete, can't find end.
%------------------------------------------------------------------------------