TSTP Solution File: PRO004+4 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : PRO004+4 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n021.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 17:52:05 EDT 2022

% Result   : Theorem 2.77s 3.09s
% Output   : Refutation 2.77s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : PRO004+4 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n021.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 : Mon Jun 13 01:53:26 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.41/1.00  ============================== Prover9 ===============================
% 0.41/1.00  Prover9 (32) version 2009-11A, November 2009.
% 0.41/1.00  Process 28392 was started by sandbox2 on n021.cluster.edu,
% 0.41/1.00  Mon Jun 13 01:53:27 2022
% 0.41/1.00  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_28239_n021.cluster.edu".
% 0.41/1.00  ============================== end of head ===========================
% 0.41/1.00  
% 0.41/1.00  ============================== INPUT =================================
% 0.41/1.00  
% 0.41/1.00  % Reading from file /tmp/Prover9_28239_n021.cluster.edu
% 0.41/1.00  
% 0.41/1.00  set(prolog_style_variables).
% 0.41/1.00  set(auto2).
% 0.41/1.00      % set(auto2) -> set(auto).
% 0.41/1.00      % set(auto) -> set(auto_inference).
% 0.41/1.00      % set(auto) -> set(auto_setup).
% 0.41/1.00      % set(auto_setup) -> set(predicate_elim).
% 0.41/1.00      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.41/1.00      % set(auto) -> set(auto_limits).
% 0.41/1.00      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.41/1.00      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.41/1.00      % set(auto) -> set(auto_denials).
% 0.41/1.00      % set(auto) -> set(auto_process).
% 0.41/1.00      % set(auto2) -> assign(new_constants, 1).
% 0.41/1.00      % set(auto2) -> assign(fold_denial_max, 3).
% 0.41/1.00      % set(auto2) -> assign(max_weight, "200.000").
% 0.41/1.00      % set(auto2) -> assign(max_hours, 1).
% 0.41/1.00      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.41/1.00      % set(auto2) -> assign(max_seconds, 0).
% 0.41/1.00      % set(auto2) -> assign(max_minutes, 5).
% 0.41/1.00      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.41/1.00      % set(auto2) -> set(sort_initial_sos).
% 0.41/1.00      % set(auto2) -> assign(sos_limit, -1).
% 0.41/1.00      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.41/1.00      % set(auto2) -> assign(max_megs, 400).
% 0.41/1.00      % set(auto2) -> assign(stats, some).
% 0.41/1.00      % set(auto2) -> clear(echo_input).
% 0.41/1.00      % set(auto2) -> set(quiet).
% 0.41/1.00      % set(auto2) -> clear(print_initial_clauses).
% 0.41/1.00      % set(auto2) -> clear(print_given).
% 0.41/1.00  assign(lrs_ticks,-1).
% 0.41/1.00  assign(sos_limit,10000).
% 0.41/1.00  assign(order,kbo).
% 0.41/1.00  set(lex_order_vars).
% 0.41/1.00  clear(print_given).
% 0.41/1.00  
% 0.41/1.00  % formulas(sos).  % not echoed (49 formulas)
% 0.41/1.00  
% 0.41/1.00  ============================== end of input ==========================
% 0.41/1.00  
% 0.41/1.00  % From the command line: assign(max_seconds, 300).
% 0.41/1.00  
% 0.41/1.00  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.41/1.00  
% 0.41/1.00  % Formulas that are not ordinary clauses:
% 0.41/1.00  1 (all X0 all X1 (occurrence_of(X1,X0) & -atomic(X0) -> (exists X2 (root(X2,X0) & subactivity_occurrence(X2,X1))))) # label(sos) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  2 (all X3 all X4 all X5 all X6 all X7 (occurrence_of(X4,X3) & root_occ(X6,X4) & leaf_occ(X7,X4) & subactivity_occurrence(X5,X4) & min_precedes(X6,X5,X3) & X5 != X7 -> min_precedes(X5,X7,X3))) # label(sos_01) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  3 (all X8 all X9 all X10 all X11 (occurrence_of(X9,X8) & subactivity_occurrence(X10,X9) & leaf_occ(X11,X9) & arboreal(X10) & -min_precedes(X10,X11,X8) -> X11 = X10)) # label(sos_02) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  4 (all X12 all X13 (occurrence_of(X13,X12) -> activity(X12) & activity_occurrence(X13))) # label(sos_03) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  5 (all X14 all X15 all X16 all X17 (occurrence_of(X15,X14) & arboreal(X16) & arboreal(X17) & subactivity_occurrence(X16,X15) & subactivity_occurrence(X17,X15) -> min_precedes(X16,X17,X14) | min_precedes(X17,X16,X14) | X16 = X17)) # label(sos_04) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  6 (all X18 all X19 (root(X19,X18) -> (exists X20 (subactivity(X20,X18) & atocc(X19,X20))))) # label(sos_05) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  7 (all X21 all X22 all X23 (min_precedes(X22,X23,X21) -> (exists X24 (occurrence_of(X24,X21) & subactivity_occurrence(X22,X24) & subactivity_occurrence(X23,X24))))) # label(sos_06) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  8 (all X25 all X26 (leaf(X25,X26) & -atomic(X26) -> (exists X27 (occurrence_of(X27,X26) & leaf_occ(X25,X27))))) # label(sos_07) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  9 (all X28 all X29 all X30 (occurrence_of(X28,X29) & occurrence_of(X28,X30) -> X29 = X30)) # label(sos_08) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  10 (all X31 all X32 all X33 (occurrence_of(X31,X33) & leaf_occ(X32,X31) -> -(exists X34 min_precedes(X32,X34,X33)))) # label(sos_09) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  11 (all X35 all X36 all X37 (occurrence_of(X35,X37) & root_occ(X36,X35) -> -(exists X38 min_precedes(X38,X36,X37)))) # label(sos_10) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  12 (all X39 all X40 (subactivity_occurrence(X39,X40) -> activity_occurrence(X39) & activity_occurrence(X40))) # label(sos_11) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  13 (all X41 (activity_occurrence(X41) -> (exists X42 (activity(X42) & occurrence_of(X41,X42))))) # label(sos_12) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  14 (all X43 (legal(X43) -> arboreal(X43))) # label(sos_13) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  15 (all X44 all X45 (atocc(X44,X45) <-> (exists X46 (subactivity(X45,X46) & atomic(X46) & occurrence_of(X44,X46))))) # label(sos_14) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  16 (all X47 all X48 (leaf(X47,X48) <-> (root(X47,X48) | (exists X49 min_precedes(X49,X47,X48))) & -(exists X50 min_precedes(X47,X50,X48)))) # label(sos_15) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  17 (all X51 all X52 (occurrence_of(X51,X52) -> (arboreal(X51) <-> atomic(X52)))) # label(sos_16) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  18 (all X53 all X54 (root(X53,X54) -> legal(X53))) # label(sos_17) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  19 (all X55 all X56 (leaf_occ(X55,X56) <-> (exists X57 (occurrence_of(X56,X57) & subactivity_occurrence(X55,X56) & leaf(X55,X57))))) # label(sos_18) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  20 (all X58 all X59 (root_occ(X58,X59) <-> (exists X60 (occurrence_of(X59,X60) & subactivity_occurrence(X58,X59) & root(X58,X60))))) # label(sos_19) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  21 (all X61 all X62 (earlier(X61,X62) -> -earlier(X62,X61))) # label(sos_20) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  22 (all X63 all X64 (precedes(X63,X64) <-> earlier(X63,X64) & legal(X64))) # label(sos_21) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  23 (all X65 all X66 all X67 (min_precedes(X65,X66,X67) -> -root(X66,X67))) # label(sos_22) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  24 (all X68 all X69 all X70 (min_precedes(X68,X69,X70) -> (exists X71 (root(X71,X70) & min_precedes(X71,X69,X70))))) # label(sos_23) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  25 (all X72 all X73 all X74 (min_precedes(X72,X73,X74) -> precedes(X72,X73))) # label(sos_24) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  26 (all X75 all X76 all X77 (next_subocc(X75,X76,X77) -> arboreal(X75) & arboreal(X76))) # label(sos_25) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  27 (all X78 all X79 all X80 (next_subocc(X78,X79,X80) <-> min_precedes(X78,X79,X80) & -(exists X81 (min_precedes(X78,X81,X80) & min_precedes(X81,X79,X80))))) # label(sos_26) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  28 (all X82 all X83 all X84 all X85 (min_precedes(X82,X83,X84) & occurrence_of(X85,X84) & subactivity_occurrence(X83,X85) -> subactivity_occurrence(X82,X85))) # label(sos_27) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  29 (all X86 all X87 all X88 all X89 (occurrence_of(X88,X89) & -atomic(X89) & leaf_occ(X86,X88) & leaf_occ(X87,X88) -> X86 = X87)) # label(sos_28) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  30 (all X90 all X91 all X92 all X93 (occurrence_of(X92,X93) & root_occ(X90,X92) & root_occ(X91,X92) -> X90 = X91)) # label(sos_29) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  31 (all X94 all X95 all X96 (earlier(X94,X95) & earlier(X95,X96) -> earlier(X94,X96))) # label(sos_30) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  32 (all X97 all X98 all X99 all X100 (min_precedes(X97,X98,X100) & min_precedes(X97,X99,X100) & precedes(X98,X99) -> min_precedes(X98,X99,X100))) # label(sos_31) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  33 (all X101 (occurrence_of(X101,tptp0) -> (exists X102 exists X103 (occurrence_of(X102,tptp4) & root_occ(X102,X101) & occurrence_of(X103,tptp3) & leaf_occ(X103,X101) & next_subocc(X102,X103,tptp0))))) # label(sos_32) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  34 (all X104 all X105 (occurrence_of(X105,tptp0) & subactivity_occurrence(X104,X105) & arboreal(X104) & -leaf_occ(X104,X105) -> root_occ(X104,X105))) # label(sos_45) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  35 (all X106 all X107 (occurrence_of(X107,tptp0) & subactivity_occurrence(X106,X107) & arboreal(X106) & -leaf_occ(X106,X107) -> root_occ(X106,X107))) # label(sos_46) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  36 (all X108 all X109 (occurrence_of(X109,tptp0) & subactivity_occurrence(X108,X109) & arboreal(X108) & -leaf_occ(X108,X109) -> (exists X110 (occurrence_of(X110,tptp1) & next_subocc(X108,X110,tptp0))))) # label(sos_47) # label(axiom) # label(non_clause).  [assumption].
% 0.41/1.00  37 --(exists X111 occurrence_of(X111,tptp0)) # label(goals) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.41/1.00  
% 0.41/1.00  ============================== end of process non-clausal formulas ===
% 0.41/1.00  
% 0.41/1.00  ============================== PROCESS INITIAL CLAUSES ===============
% 0.41/1.00  
% 0.41/1.00  ============================== PREDICATE ELIMINATION =================
% 0.41/1.00  38 -leaf_occ(A,B) | leaf(A,f9(A,B)) # label(sos_18) # label(axiom).  [clausify(19)].
% 0.41/1.00  39 -leaf(A,B) | -min_precedes(A,C,B) # label(sos_15) # label(axiom).  [clausify(16)].
% 0.41/1.00  Derived: -leaf_occ(A,B) | -min_precedes(A,C,f9(A,B)).  [resolve(38,b,39,a)].
% 0.41/1.00  40 -leaf(A,B) | atomic(B) | occurrence_of(f4(A,B),B) # label(sos_07) # label(axiom).  [clausify(8)].
% 0.41/1.00  Derived: atomic(f9(A,B)) | occurrence_of(f4(A,f9(A,B)),f9(A,B)) | -leaf_occ(A,B).  [resolve(40,a,38,b)].
% 0.41/1.00  41 -leaf(A,B) | atomic(B) | leaf_occ(A,f4(A,B)) # label(sos_07) # label(axiom).  [clausify(8)].
% 0.41/1.00  Derived: atomic(f9(A,B)) | leaf_occ(A,f4(A,f9(A,B))) | -leaf_occ(A,B).  [resolve(41,a,38,b)].
% 0.41/1.00  42 -leaf(A,B) | root(A,B) | min_precedes(f7(A,B),A,B) # label(sos_15) # label(axiom).  [clausify(16)].
% 0.41/1.00  Derived: root(A,f9(A,B)) | min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B).  [resolve(42,a,38,b)].
% 0.41/1.00  43 leaf(A,B) | -root(A,B) | min_precedes(A,f8(A,B),B) # label(sos_15) # label(axiom).  [clausify(16)].
% 0.41/1.00  Derived: -root(A,B) | min_precedes(A,f8(A,B),B) | -min_precedes(A,C,B).  [resolve(43,a,39,a)].
% 0.41/1.00  Derived: -root(A,B) | min_precedes(A,f8(A,B),B) | atomic(B) | occurrence_of(f4(A,B),B).  [resolve(43,a,40,a)].
% 0.41/1.00  Derived: -root(A,B) | min_precedes(A,f8(A,B),B) | atomic(B) | leaf_occ(A,f4(A,B)).  [resolve(43,a,41,a)].
% 0.41/1.00  44 leaf_occ(A,B) | -occurrence_of(B,C) | -subactivity_occurrence(A,B) | -leaf(A,C) # label(sos_18) # label(axiom).  [clausify(19)].
% 0.41/1.00  Derived: leaf_occ(A,B) | -occurrence_of(B,f9(A,C)) | -subactivity_occurrence(A,B) | -leaf_occ(A,C).  [resolve(44,d,38,b)].
% 0.41/1.00  Derived: leaf_occ(A,B) | -occurrence_of(B,C) | -subactivity_occurrence(A,B) | -root(A,C) | min_precedes(A,f8(A,C),C).  [resolve(44,d,43,a)].
% 0.41/1.00  45 leaf(A,B) | -min_precedes(C,A,B) | min_precedes(A,f8(A,B),B) # label(sos_15) # label(axiom).  [clausify(16)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | -min_precedes(B,D,C).  [resolve(45,a,39,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | atomic(C) | occurrence_of(f4(B,C),C).  [resolve(45,a,40,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | atomic(C) | leaf_occ(B,f4(B,C)).  [resolve(45,a,41,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | root(B,C) | min_precedes(f7(B,C),B,C).  [resolve(45,a,42,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | leaf_occ(B,D) | -occurrence_of(D,C) | -subactivity_occurrence(B,D).  [resolve(45,a,44,d)].
% 0.41/1.00  46 -root_occ(A,B) | root(A,f10(A,B)) # label(sos_19) # label(axiom).  [clausify(20)].
% 0.41/1.00  47 -min_precedes(A,B,C) | -root(B,C) # label(sos_22) # label(axiom).  [clausify(23)].
% 0.41/1.00  48 -root(A,B) | legal(A) # label(sos_17) # label(axiom).  [clausify(18)].
% 0.41/1.00  49 -root(A,B) | subactivity(f2(B,A),B) # label(sos_05) # label(axiom).  [clausify(6)].
% 0.41/1.00  50 -root(A,B) | atocc(A,f2(B,A)) # label(sos_05) # label(axiom).  [clausify(6)].
% 0.41/1.00  Derived: -root_occ(A,B) | -min_precedes(C,A,f10(A,B)).  [resolve(46,b,47,b)].
% 0.41/1.00  Derived: -root_occ(A,B) | legal(A).  [resolve(46,b,48,a)].
% 0.41/1.00  Derived: -root_occ(A,B) | subactivity(f2(f10(A,B),A),f10(A,B)).  [resolve(46,b,49,a)].
% 0.41/1.00  Derived: -root_occ(A,B) | atocc(A,f2(f10(A,B),A)).  [resolve(46,b,50,a)].
% 0.41/1.00  51 -occurrence_of(A,B) | atomic(B) | root(f1(B,A),B) # label(sos) # label(axiom).  [clausify(1)].
% 0.41/1.00  Derived: -occurrence_of(A,B) | atomic(B) | -min_precedes(C,f1(B,A),B).  [resolve(51,c,47,b)].
% 0.41/1.00  Derived: -occurrence_of(A,B) | atomic(B) | legal(f1(B,A)).  [resolve(51,c,48,a)].
% 0.41/1.00  Derived: -occurrence_of(A,B) | atomic(B) | subactivity(f2(B,f1(B,A)),B).  [resolve(51,c,49,a)].
% 0.41/1.00  Derived: -occurrence_of(A,B) | atomic(B) | atocc(f1(B,A),f2(B,f1(B,A))).  [resolve(51,c,50,a)].
% 0.41/1.00  52 -min_precedes(A,B,C) | root(f11(A,B,C),C) # label(sos_23) # label(axiom).  [clausify(24)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | -min_precedes(D,f11(A,B,C),C).  [resolve(52,b,47,b)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | legal(f11(A,B,C)).  [resolve(52,b,48,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | subactivity(f2(C,f11(A,B,C)),C).  [resolve(52,b,49,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | atocc(f11(A,B,C),f2(C,f11(A,B,C))).  [resolve(52,b,50,a)].
% 0.41/1.00  53 root_occ(A,B) | -occurrence_of(B,C) | -subactivity_occurrence(A,B) | -root(A,C) # label(sos_19) # label(axiom).  [clausify(20)].
% 0.41/1.00  Derived: root_occ(A,B) | -occurrence_of(B,f10(A,C)) | -subactivity_occurrence(A,B) | -root_occ(A,C).  [resolve(53,d,46,b)].
% 0.41/1.00  Derived: root_occ(f1(A,B),C) | -occurrence_of(C,A) | -subactivity_occurrence(f1(A,B),C) | -occurrence_of(B,A) | atomic(A).  [resolve(53,d,51,c)].
% 0.41/1.00  Derived: root_occ(f11(A,B,C),D) | -occurrence_of(D,C) | -subactivity_occurrence(f11(A,B,C),D) | -min_precedes(A,B,C).  [resolve(53,d,52,b)].
% 0.41/1.00  54 root(A,f9(A,B)) | min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B).  [resolve(42,a,38,b)].
% 0.41/1.00  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | -min_precedes(C,A,f9(A,B)).  [resolve(54,a,47,b)].
% 0.41/1.00  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | legal(A).  [resolve(54,a,48,a)].
% 0.41/1.00  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | subactivity(f2(f9(A,B),A),f9(A,B)).  [resolve(54,a,49,a)].
% 0.41/1.00  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | atocc(A,f2(f9(A,B),A)).  [resolve(54,a,50,a)].
% 0.41/1.00  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | root_occ(A,C) | -occurrence_of(C,f9(A,B)) | -subactivity_occurrence(A,C).  [resolve(54,a,53,d)].
% 0.41/1.00  55 -root(A,B) | min_precedes(A,f8(A,B),B) | -min_precedes(A,C,B).  [resolve(43,a,39,a)].
% 0.41/1.00  Derived: min_precedes(A,f8(A,f10(A,B)),f10(A,B)) | -min_precedes(A,C,f10(A,B)) | -root_occ(A,B).  [resolve(55,a,46,b)].
% 0.41/1.00  Derived: min_precedes(f1(A,B),f8(f1(A,B),A),A) | -min_precedes(f1(A,B),C,A) | -occurrence_of(B,A) | atomic(A).  [resolve(55,a,51,c)].
% 0.41/1.00  Derived: min_precedes(f11(A,B,C),f8(f11(A,B,C),C),C) | -min_precedes(f11(A,B,C),D,C) | -min_precedes(A,B,C).  [resolve(55,a,52,b)].
% 0.41/1.00  Derived: min_precedes(A,f8(A,f9(A,B)),f9(A,B)) | -min_precedes(A,C,f9(A,B)) | min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B).  [resolve(55,a,54,a)].
% 0.41/1.00  56 -root(A,B) | min_precedes(A,f8(A,B),B) | atomic(B) | occurrence_of(f4(A,B),B).  [resolve(43,a,40,a)].
% 0.41/1.00  Derived: min_precedes(A,f8(A,f10(A,B)),f10(A,B)) | atomic(f10(A,B)) | occurrence_of(f4(A,f10(A,B)),f10(A,B)) | -root_occ(A,B).  [resolve(56,a,46,b)].
% 0.41/1.00  Derived: min_precedes(f1(A,B),f8(f1(A,B),A),A) | atomic(A) | occurrence_of(f4(f1(A,B),A),A) | -occurrence_of(B,A) | atomic(A).  [resolve(56,a,51,c)].
% 0.41/1.00  Derived: min_precedes(f11(A,B,C),f8(f11(A,B,C),C),C) | atomic(C) | occurrence_of(f4(f11(A,B,C),C),C) | -min_precedes(A,B,C).  [resolve(56,a,52,b)].
% 0.41/1.00  Derived: min_precedes(A,f8(A,f9(A,B)),f9(A,B)) | atomic(f9(A,B)) | occurrence_of(f4(A,f9(A,B)),f9(A,B)) | min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B).  [resolve(56,a,54,a)].
% 0.41/1.00  57 -root(A,B) | min_precedes(A,f8(A,B),B) | atomic(B) | leaf_occ(A,f4(A,B)).  [resolve(43,a,41,a)].
% 0.41/1.00  Derived: min_precedes(A,f8(A,f10(A,B)),f10(A,B)) | atomic(f10(A,B)) | leaf_occ(A,f4(A,f10(A,B))) | -root_occ(A,B).  [resolve(57,a,46,b)].
% 0.41/1.00  Derived: min_precedes(f1(A,B),f8(f1(A,B),A),A) | atomic(A) | leaf_occ(f1(A,B),f4(f1(A,B),A)) | -occurrence_of(B,A) | atomic(A).  [resolve(57,a,51,c)].
% 0.41/1.00  Derived: min_precedes(f11(A,B,C),f8(f11(A,B,C),C),C) | atomic(C) | leaf_occ(f11(A,B,C),f4(f11(A,B,C),C)) | -min_precedes(A,B,C).  [resolve(57,a,52,b)].
% 0.41/1.00  Derived: min_precedes(A,f8(A,f9(A,B)),f9(A,B)) | atomic(f9(A,B)) | leaf_occ(A,f4(A,f9(A,B))) | min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B).  [resolve(57,a,54,a)].
% 0.41/1.00  58 leaf_occ(A,B) | -occurrence_of(B,C) | -subactivity_occurrence(A,B) | -root(A,C) | min_precedes(A,f8(A,C),C).  [resolve(44,d,43,a)].
% 0.41/1.00  Derived: leaf_occ(A,B) | -occurrence_of(B,f10(A,C)) | -subactivity_occurrence(A,B) | min_precedes(A,f8(A,f10(A,C)),f10(A,C)) | -root_occ(A,C).  [resolve(58,d,46,b)].
% 0.41/1.00  Derived: leaf_occ(f1(A,B),C) | -occurrence_of(C,A) | -subactivity_occurrence(f1(A,B),C) | min_precedes(f1(A,B),f8(f1(A,B),A),A) | -occurrence_of(B,A) | atomic(A).  [resolve(58,d,51,c)].
% 0.41/1.00  Derived: leaf_occ(f11(A,B,C),D) | -occurrence_of(D,C) | -subactivity_occurrence(f11(A,B,C),D) | min_precedes(f11(A,B,C),f8(f11(A,B,C),C),C) | -min_precedes(A,B,C).  [resolve(58,d,52,b)].
% 0.41/1.00  Derived: leaf_occ(A,B) | -occurrence_of(B,f9(A,C)) | -subactivity_occurrence(A,B) | min_precedes(A,f8(A,f9(A,C)),f9(A,C)) | min_precedes(f7(A,f9(A,C)),A,f9(A,C)) | -leaf_occ(A,C).  [resolve(58,d,54,a)].
% 0.41/1.00  59 -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | root(B,C) | min_precedes(f7(B,C),B,C).  [resolve(45,a,42,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | min_precedes(f7(B,C),B,C) | -min_precedes(D,B,C).  [resolve(59,c,47,b)].
% 0.41/1.00  60 -occurrence_of(A,tptp0) | next_subocc(f13(A),f14(A),tptp0) # label(sos_32) # label(axiom).  [clausify(33)].
% 0.41/1.00  61 -next_subocc(A,B,C) | -min_precedes(A,D,C) | -min_precedes(D,B,C) # label(sos_26) # label(axiom).  [clausify(27)].
% 0.41/1.00  62 -next_subocc(A,B,C) | arboreal(A) # label(sos_25) # label(axiom).  [clausify(26)].
% 0.41/1.00  63 -next_subocc(A,B,C) | arboreal(B) # label(sos_25) # label(axiom).  [clausify(26)].
% 0.41/1.00  64 -next_subocc(A,B,C) | min_precedes(A,B,C) # label(sos_26) # label(axiom).  [clausify(27)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | -min_precedes(f13(A),B,tptp0) | -min_precedes(B,f14(A),tptp0).  [resolve(60,b,61,a)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | arboreal(f13(A)).  [resolve(60,b,62,a)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | arboreal(f14(A)).  [resolve(60,b,63,a)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | min_precedes(f13(A),f14(A),tptp0).  [resolve(60,b,64,a)].
% 0.41/1.00  65 next_subocc(A,B,C) | -min_precedes(A,B,C) | min_precedes(A,f12(A,B,C),C) # label(sos_26) # label(axiom).  [clausify(27)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(A,f12(A,B,C),C) | -min_precedes(A,D,C) | -min_precedes(D,B,C).  [resolve(65,a,61,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(A,f12(A,B,C),C) | arboreal(A).  [resolve(65,a,62,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(A,f12(A,B,C),C) | arboreal(B).  [resolve(65,a,63,a)].
% 0.41/1.00  66 next_subocc(A,B,C) | -min_precedes(A,B,C) | min_precedes(f12(A,B,C),B,C) # label(sos_26) # label(axiom).  [clausify(27)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(f12(A,B,C),B,C) | -min_precedes(A,D,C) | -min_precedes(D,B,C).  [resolve(66,a,61,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(f12(A,B,C),B,C) | arboreal(A).  [resolve(66,a,62,a)].
% 0.41/1.00  Derived: -min_precedes(A,B,C) | min_precedes(f12(A,B,C),B,C) | arboreal(B).  [resolve(66,a,63,a)].
% 0.41/1.00  67 -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | next_subocc(B,f15(B,A),tptp0) # label(sos_47) # label(axiom).  [clausify(36)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | -min_precedes(B,C,tptp0) | -min_precedes(C,f15(B,A),tptp0).  [resolve(67,e,61,a)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | arboreal(f15(B,A)).  [resolve(67,e,63,a)].
% 0.41/1.00  Derived: -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | min_precedes(B,f15(B,A),tptp0).  [resolve(67,e,64,a)].
% 0.41/1.00  68 -precedes(A,B) | legal(B) # label(sos_21) # label(axiom).  [clausify(22)].
% 0.41/1.00  69 -legal(A) | arboreal(A) # label(sos_13) # label(axiom).  [clausify(14)].
% 0.41/1.00  Derived: -precedes(A,B) | arboreal(B).  [resolve(68,b,69,a)].
% 0.41/1.00  70 precedes(A,B) | -earlier(A,B) | -legal(B) # label(sos_21) # label(axiom).  [clausify(22)].
% 0.41/1.00  Derived: precedes(A,B) | -earlier(A,B) | -precedes(C,B).  [resolve(70,c,68,b)].
% 0.41/1.01  71 -root_occ(A,B) | legal(A).  [resolve(46,b,48,a)].
% 0.41/1.01  Derived: -root_occ(A,B) | arboreal(A).  [resolve(71,b,69,a)].
% 0.41/1.01  Derived: -root_occ(A,B) | precedes(C,A) | -earlier(C,A).  [resolve(71,b,70,c)].
% 0.41/1.01  72 -occurrence_of(A,B) | atomic(B) | legal(f1(B,A)).  [resolve(51,c,48,a)].
% 0.41/1.01  Derived: -occurrence_of(A,B) | atomic(B) | arboreal(f1(B,A)).  [resolve(72,c,69,a)].
% 0.41/1.01  Derived: -occurrence_of(A,B) | atomic(B) | precedes(C,f1(B,A)) | -earlier(C,f1(B,A)).  [resolve(72,c,70,c)].
% 0.41/1.01  73 -min_precedes(A,B,C) | legal(f11(A,B,C)).  [resolve(52,b,48,a)].
% 0.41/1.01  Derived: -min_precedes(A,B,C) | arboreal(f11(A,B,C)).  [resolve(73,b,69,a)].
% 0.41/1.01  Derived: -min_precedes(A,B,C) | precedes(D,f11(A,B,C)) | -earlier(D,f11(A,B,C)).  [resolve(73,b,70,c)].
% 0.41/1.01  74 min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | legal(A).  [resolve(54,a,48,a)].
% 0.41/1.01  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | arboreal(A).  [resolve(74,c,69,a)].
% 0.41/1.01  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | precedes(C,A) | -earlier(C,A).  [resolve(74,c,70,c)].
% 0.41/1.01  75 -activity_occurrence(A) | occurrence_of(A,f5(A)) # label(sos_12) # label(axiom).  [clausify(13)].
% 0.41/1.01  76 -occurrence_of(A,B) | activity_occurrence(A) # label(sos_03) # label(axiom).  [clausify(4)].
% 0.41/1.01  77 -subactivity_occurrence(A,B) | activity_occurrence(A) # label(sos_11) # label(axiom).  [clausify(12)].
% 0.41/1.01  78 -subactivity_occurrence(A,B) | activity_occurrence(B) # label(sos_11) # label(axiom).  [clausify(12)].
% 0.41/1.01  Derived: occurrence_of(A,f5(A)) | -occurrence_of(A,B).  [resolve(75,a,76,b)].
% 0.41/1.01  Derived: occurrence_of(A,f5(A)) | -subactivity_occurrence(A,B).  [resolve(75,a,77,b)].
% 0.41/1.01  Derived: occurrence_of(A,f5(A)) | -subactivity_occurrence(B,A).  [resolve(75,a,78,b)].
% 0.41/1.01  79 atocc(A,B) | -subactivity(B,C) | -atomic(C) | -occurrence_of(A,C) # label(sos_14) # label(axiom).  [clausify(15)].
% 0.41/1.01  80 -atocc(A,B) | atomic(f6(A,B)) # label(sos_14) # label(axiom).  [clausify(15)].
% 0.41/1.01  81 -atocc(A,B) | subactivity(B,f6(A,B)) # label(sos_14) # label(axiom).  [clausify(15)].
% 0.41/1.01  82 -atocc(A,B) | occurrence_of(A,f6(A,B)) # label(sos_14) # label(axiom).  [clausify(15)].
% 0.41/1.01  Derived: -subactivity(A,B) | -atomic(B) | -occurrence_of(C,B) | atomic(f6(C,A)).  [resolve(79,a,80,a)].
% 0.41/1.01  Derived: -subactivity(A,B) | -atomic(B) | -occurrence_of(C,B) | subactivity(A,f6(C,A)).  [resolve(79,a,81,a)].
% 0.41/1.01  Derived: -subactivity(A,B) | -atomic(B) | -occurrence_of(C,B) | occurrence_of(C,f6(C,A)).  [resolve(79,a,82,a)].
% 0.41/1.01  83 -root_occ(A,B) | atocc(A,f2(f10(A,B),A)).  [resolve(46,b,50,a)].
% 0.41/1.01  Derived: -root_occ(A,B) | atomic(f6(A,f2(f10(A,B),A))).  [resolve(83,b,80,a)].
% 0.41/1.01  Derived: -root_occ(A,B) | subactivity(f2(f10(A,B),A),f6(A,f2(f10(A,B),A))).  [resolve(83,b,81,a)].
% 0.41/1.01  Derived: -root_occ(A,B) | occurrence_of(A,f6(A,f2(f10(A,B),A))).  [resolve(83,b,82,a)].
% 0.41/1.01  84 -occurrence_of(A,B) | atomic(B) | atocc(f1(B,A),f2(B,f1(B,A))).  [resolve(51,c,50,a)].
% 0.41/1.01  Derived: -occurrence_of(A,B) | atomic(B) | atomic(f6(f1(B,A),f2(B,f1(B,A)))).  [resolve(84,c,80,a)].
% 0.41/1.01  Derived: -occurrence_of(A,B) | atomic(B) | subactivity(f2(B,f1(B,A)),f6(f1(B,A),f2(B,f1(B,A)))).  [resolve(84,c,81,a)].
% 0.41/1.01  Derived: -occurrence_of(A,B) | atomic(B) | occurrence_of(f1(B,A),f6(f1(B,A),f2(B,f1(B,A)))).  [resolve(84,c,82,a)].
% 0.41/1.01  85 -min_precedes(A,B,C) | atocc(f11(A,B,C),f2(C,f11(A,B,C))).  [resolve(52,b,50,a)].
% 0.41/1.01  Derived: -min_precedes(A,B,C) | atomic(f6(f11(A,B,C),f2(C,f11(A,B,C)))).  [resolve(85,b,80,a)].
% 0.41/1.01  Derived: -min_precedes(A,B,C) | subactivity(f2(C,f11(A,B,C)),f6(f11(A,B,C),f2(C,f11(A,B,C)))).  [resolve(85,b,81,a)].
% 0.41/1.01  Derived: -min_precedes(A,B,C) | occurrence_of(f11(A,B,C),f6(f11(A,B,C),f2(C,f11(A,B,C)))).  [resolve(85,b,82,a)].
% 0.41/1.01  86 min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | atocc(A,f2(f9(A,B),A)).  [resolve(54,a,50,a)].
% 0.41/1.01  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | atomic(f6(A,f2(f9(A,B),A))).  [resolve(86,c,80,a)].
% 0.41/1.01  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | subactivity(f2(f9(A,B),A),f6(A,f2(f9(A,B),A))).  [resolve(86,c,81,a)].
% 0.41/1.01  Derived: min_precedes(f7(A,f9(A,B)),A,f9(A,B)) | -leaf_occ(A,B) | occurrence_of(A,f6(A,f2(f9(A,B),A))).  [resolve(86,c,82,a)].
% 2.77/3.09  
% 2.77/3.09  ============================== end predicate elimination =============
% 2.77/3.09  
% 2.77/3.09  Auto_denials:  (non-Horn, no changes).
% 2.77/3.09  
% 2.77/3.09  Term ordering decisions:
% 2.77/3.09  Function symbol KB weights:  tptp0=1. tptp1=1. tptp3=1. tptp4=1. tptp2=1. c1=1. f1=1. f2=1. f4=1. f6=1. f7=1. f8=1. f9=1. f10=1. f15=1. f5=1. f13=1. f14=1. f3=1. f11=1. f12=1.
% 2.77/3.09  
% 2.77/3.09  ============================== end of process initial clauses ========
% 2.77/3.09  
% 2.77/3.09  ============================== CLAUSES FOR SEARCH ====================
% 2.77/3.09  
% 2.77/3.09  ============================== end of clauses for search =============
% 2.77/3.09  
% 2.77/3.09  ============================== SEARCH ================================
% 2.77/3.09  
% 2.77/3.09  % Starting search at 0.02 seconds.
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=148.000, iters=3736
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=135.000, iters=3705
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=94.000, iters=3340
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=93.000, iters=3497
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=90.000, iters=3426
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=89.000, iters=3406
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=87.000, iters=3377
% 2.77/3.09  
% 2.77/3.09  Low Water (keep): wt=81.000, iters=3339
% 2.77/3.09  
% 2.77/3.09  ============================== PROOF =================================
% 2.77/3.09  % SZS status Theorem
% 2.77/3.09  % SZS output start Refutation
% 2.77/3.09  
% 2.77/3.09  % Proof 1 at 2.08 (+ 0.03) seconds.
% 2.77/3.09  % Length of proof is 94.
% 2.77/3.09  % Level of proof is 18.
% 2.77/3.09  % Maximum clause weight is 52.000.
% 2.77/3.09  % Given clauses 2930.
% 2.77/3.09  
% 2.77/3.09  4 (all X12 all X13 (occurrence_of(X13,X12) -> activity(X12) & activity_occurrence(X13))) # label(sos_03) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  7 (all X21 all X22 all X23 (min_precedes(X22,X23,X21) -> (exists X24 (occurrence_of(X24,X21) & subactivity_occurrence(X22,X24) & subactivity_occurrence(X23,X24))))) # label(sos_06) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  8 (all X25 all X26 (leaf(X25,X26) & -atomic(X26) -> (exists X27 (occurrence_of(X27,X26) & leaf_occ(X25,X27))))) # label(sos_07) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  9 (all X28 all X29 all X30 (occurrence_of(X28,X29) & occurrence_of(X28,X30) -> X29 = X30)) # label(sos_08) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  10 (all X31 all X32 all X33 (occurrence_of(X31,X33) & leaf_occ(X32,X31) -> -(exists X34 min_precedes(X32,X34,X33)))) # label(sos_09) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  11 (all X35 all X36 all X37 (occurrence_of(X35,X37) & root_occ(X36,X35) -> -(exists X38 min_precedes(X38,X36,X37)))) # label(sos_10) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  13 (all X41 (activity_occurrence(X41) -> (exists X42 (activity(X42) & occurrence_of(X41,X42))))) # label(sos_12) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  16 (all X47 all X48 (leaf(X47,X48) <-> (root(X47,X48) | (exists X49 min_precedes(X49,X47,X48))) & -(exists X50 min_precedes(X47,X50,X48)))) # label(sos_15) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  19 (all X55 all X56 (leaf_occ(X55,X56) <-> (exists X57 (occurrence_of(X56,X57) & subactivity_occurrence(X55,X56) & leaf(X55,X57))))) # label(sos_18) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  20 (all X58 all X59 (root_occ(X58,X59) <-> (exists X60 (occurrence_of(X59,X60) & subactivity_occurrence(X58,X59) & root(X58,X60))))) # label(sos_19) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  26 (all X75 all X76 all X77 (next_subocc(X75,X76,X77) -> arboreal(X75) & arboreal(X76))) # label(sos_25) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  27 (all X78 all X79 all X80 (next_subocc(X78,X79,X80) <-> min_precedes(X78,X79,X80) & -(exists X81 (min_precedes(X78,X81,X80) & min_precedes(X81,X79,X80))))) # label(sos_26) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  29 (all X86 all X87 all X88 all X89 (occurrence_of(X88,X89) & -atomic(X89) & leaf_occ(X86,X88) & leaf_occ(X87,X88) -> X86 = X87)) # label(sos_28) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  33 (all X101 (occurrence_of(X101,tptp0) -> (exists X102 exists X103 (occurrence_of(X102,tptp4) & root_occ(X102,X101) & occurrence_of(X103,tptp3) & leaf_occ(X103,X101) & next_subocc(X102,X103,tptp0))))) # label(sos_32) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  34 (all X104 all X105 (occurrence_of(X105,tptp0) & subactivity_occurrence(X104,X105) & arboreal(X104) & -leaf_occ(X104,X105) -> root_occ(X104,X105))) # label(sos_45) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  36 (all X108 all X109 (occurrence_of(X109,tptp0) & subactivity_occurrence(X108,X109) & arboreal(X108) & -leaf_occ(X108,X109) -> (exists X110 (occurrence_of(X110,tptp1) & next_subocc(X108,X110,tptp0))))) # label(sos_47) # label(axiom) # label(non_clause).  [assumption].
% 2.77/3.09  37 --(exists X111 occurrence_of(X111,tptp0)) # label(goals) # label(negated_conjecture) # label(non_clause).  [assumption].
% 2.77/3.09  38 -leaf_occ(A,B) | leaf(A,f9(A,B)) # label(sos_18) # label(axiom).  [clausify(19)].
% 2.77/3.09  40 -leaf(A,B) | atomic(B) | occurrence_of(f4(A,B),B) # label(sos_07) # label(axiom).  [clausify(8)].
% 2.77/3.09  41 -leaf(A,B) | atomic(B) | leaf_occ(A,f4(A,B)) # label(sos_07) # label(axiom).  [clausify(8)].
% 2.77/3.09  45 leaf(A,B) | -min_precedes(C,A,B) | min_precedes(A,f8(A,B),B) # label(sos_15) # label(axiom).  [clausify(16)].
% 2.77/3.09  60 -occurrence_of(A,tptp0) | next_subocc(f13(A),f14(A),tptp0) # label(sos_32) # label(axiom).  [clausify(33)].
% 2.77/3.09  62 -next_subocc(A,B,C) | arboreal(A) # label(sos_25) # label(axiom).  [clausify(26)].
% 2.77/3.09  63 -next_subocc(A,B,C) | arboreal(B) # label(sos_25) # label(axiom).  [clausify(26)].
% 2.77/3.09  64 -next_subocc(A,B,C) | min_precedes(A,B,C) # label(sos_26) # label(axiom).  [clausify(27)].
% 2.77/3.09  67 -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | next_subocc(B,f15(B,A),tptp0) # label(sos_47) # label(axiom).  [clausify(36)].
% 2.77/3.09  75 -activity_occurrence(A) | occurrence_of(A,f5(A)) # label(sos_12) # label(axiom).  [clausify(13)].
% 2.77/3.09  76 -occurrence_of(A,B) | activity_occurrence(A) # label(sos_03) # label(axiom).  [clausify(4)].
% 2.77/3.09  91 occurrence_of(c1,tptp0) # label(goals) # label(negated_conjecture).  [clausify(37)].
% 2.77/3.09  92 -atomic(tptp0) # label(sos_34) # label(axiom).  [assumption].
% 2.77/3.09  97 tptp1 != tptp3 # label(sos_42) # label(axiom).  [assumption].
% 2.77/3.09  98 tptp3 != tptp1.  [copy(97),flip(a)].
% 2.77/3.09  104 -occurrence_of(A,B) | -leaf_occ(C,A) | -min_precedes(C,D,B) # label(sos_09) # label(axiom).  [clausify(10)].
% 2.77/3.09  105 -occurrence_of(A,B) | -root_occ(C,A) | -min_precedes(D,C,B) # label(sos_10) # label(axiom).  [clausify(11)].
% 2.77/3.09  107 -root_occ(A,B) | subactivity_occurrence(A,B) # label(sos_19) # label(axiom).  [clausify(20)].
% 2.77/3.09  113 -occurrence_of(A,tptp0) | root_occ(f13(A),A) # label(sos_32) # label(axiom).  [clausify(33)].
% 2.77/3.09  114 -occurrence_of(A,tptp0) | occurrence_of(f14(A),tptp3) # label(sos_32) # label(axiom).  [clausify(33)].
% 2.77/3.09  115 -occurrence_of(A,tptp0) | leaf_occ(f14(A),A) # label(sos_32) # label(axiom).  [clausify(33)].
% 2.77/3.09  116 -leaf_occ(A,B) | occurrence_of(B,f9(A,B)) # label(sos_18) # label(axiom).  [clausify(19)].
% 2.77/3.09  118 -occurrence_of(A,B) | -occurrence_of(A,C) | C = B # label(sos_08) # label(axiom).  [clausify(9)].
% 2.77/3.09  121 -min_precedes(A,B,C) | occurrence_of(f3(C,A,B),C) # label(sos_06) # label(axiom).  [clausify(7)].
% 2.77/3.09  123 -min_precedes(A,B,C) | subactivity_occurrence(B,f3(C,A,B)) # label(sos_06) # label(axiom).  [clausify(7)].
% 2.77/3.09  127 -occurrence_of(A,B) | atomic(B) | -leaf_occ(C,A) | -leaf_occ(D,A) | D = C # label(sos_28) # label(axiom).  [clausify(29)].
% 2.77/3.09  128 -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | root_occ(B,A) # label(sos_45) # label(axiom).  [clausify(34)].
% 2.77/3.09  130 -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | occurrence_of(f15(B,A),tptp1) # label(sos_47) # label(axiom).  [clausify(36)].
% 2.77/3.09  135 atomic(f9(A,B)) | occurrence_of(f4(A,f9(A,B)),f9(A,B)) | -leaf_occ(A,B).  [resolve(40,a,38,b)].
% 2.77/3.09  139 -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | atomic(C) | occurrence_of(f4(B,C),C).  [resolve(45,a,40,a)].
% 2.77/3.09  140 -min_precedes(A,B,C) | min_precedes(B,f8(B,C),C) | atomic(C) | leaf_occ(B,f4(B,C)).  [resolve(45,a,41,a)].
% 2.77/3.09  170 -occurrence_of(A,tptp0) | arboreal(f13(A)).  [resolve(60,b,62,a)].
% 2.77/3.09  172 -occurrence_of(A,tptp0) | min_precedes(f13(A),f14(A),tptp0).  [resolve(60,b,64,a)].
% 2.77/3.09  180 -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | arboreal(f15(B,A)).  [resolve(67,e,63,a)].
% 2.77/3.09  181 -occurrence_of(A,tptp0) | -subactivity_occurrence(B,A) | -arboreal(B) | leaf_occ(B,A) | min_precedes(B,f15(B,A),tptp0).  [resolve(67,e,64,a)].
% 2.77/3.09  192 occurrence_of(A,f5(A)) | -occurrence_of(A,B).  [resolve(75,a,76,b)].
% 2.77/3.09  224 root_occ(f13(c1),c1).  [resolve(113,a,91,a)].
% 2.77/3.09  232 arboreal(f13(c1)).  [resolve(170,a,91,a)].
% 2.77/3.09  234 min_precedes(f13(c1),f14(c1),tptp0).  [resolve(172,a,91,a)].
% 2.77/3.09  252 subactivity_occurrence(f13(c1),c1).  [resolve(224,a,107,a)].
% 2.77/3.09  282 leaf_occ(f13(c1),c1) | min_precedes(f13(c1),f15(f13(c1),c1),tptp0).  [resolve(252,a,181,b),unit_del(a,91),unit_del(b,232)].
% 2.77/3.09  283 leaf_occ(f13(c1),c1) | arboreal(f15(f13(c1),c1)).  [resolve(252,a,180,b),unit_del(a,91),unit_del(b,232)].
% 2.77/3.09  287 leaf_occ(f13(c1),c1) | occurrence_of(f15(f13(c1),c1),tptp1).  [resolve(252,a,130,b),unit_del(a,91),unit_del(b,232)].
% 2.77/3.09  350 -occurrence_of(A,tptp0) | -leaf_occ(f13(c1),A).  [resolve(234,a,104,c)].
% 2.77/3.09  573 leaf_occ(f13(c1),c1) | min_precedes(f15(f13(c1),c1),f8(f15(f13(c1),c1),tptp0),tptp0) | leaf_occ(f15(f13(c1),c1),f4(f15(f13(c1),c1),tptp0)).  [resolve(282,b,140,a),unit_del(c,92)].
% 2.77/3.09  574 leaf_occ(f13(c1),c1) | min_precedes(f15(f13(c1),c1),f8(f15(f13(c1),c1),tptp0),tptp0) | occurrence_of(f4(f15(f13(c1),c1),tptp0),tptp0).  [resolve(282,b,139,a),unit_del(c,92)].
% 2.77/3.09  581 leaf_occ(f13(c1),c1) | subactivity_occurrence(f15(f13(c1),c1),f3(tptp0,f13(c1),f15(f13(c1),c1))).  [resolve(282,b,123,a)].
% 2.77/3.09  583 leaf_occ(f13(c1),c1) | occurrence_of(f3(tptp0,f13(c1),f15(f13(c1),c1)),tptp0).  [resolve(282,b,121,a)].
% 2.77/3.09  585 leaf_occ(f13(c1),c1) | -occurrence_of(A,tptp0) | -root_occ(f15(f13(c1),c1),A).  [resolve(282,b,105,c)].
% 2.77/3.09  620 arboreal(f15(f13(c1),c1)).  [resolve(283,a,350,b),unit_del(b,91)].
% 2.77/3.09  722 occurrence_of(f15(f13(c1),c1),tptp1).  [resolve(287,a,350,b),unit_del(b,91)].
% 2.77/3.09  723 occurrence_of(f15(f13(c1),c1),f5(f15(f13(c1),c1))).  [resolve(722,a,192,b)].
% 2.77/3.09  724 -occurrence_of(f15(f13(c1),c1),A) | tptp1 = A.  [resolve(722,a,118,b)].
% 2.77/3.09  808 f5(f15(f13(c1),c1)) = tptp1.  [resolve(723,a,724,a),flip(a)].
% 2.77/3.09  1673 occurrence_of(f3(tptp0,f13(c1),f15(f13(c1),c1)),tptp0).  [resolve(583,a,350,b),unit_del(b,91)].
% 2.77/3.09  2024 leaf_occ(f13(c1),c1) | leaf_occ(f15(f13(c1),c1),f4(f15(f13(c1),c1),tptp0)) | -occurrence_of(A,tptp0) | -leaf_occ(f15(f13(c1),c1),A).  [resolve(573,b,104,c)].
% 2.77/3.09  2097 leaf_occ(f13(c1),c1) | occurrence_of(f4(f15(f13(c1),c1),tptp0),tptp0) | -occurrence_of(A,tptp0) | -leaf_occ(f15(f13(c1),c1),A).  [resolve(574,b,104,c)].
% 2.77/3.09  2273 leaf_occ(f13(c1),c1) | leaf_occ(f15(f13(c1),c1),f3(tptp0,f13(c1),f15(f13(c1),c1))) | root_occ(f15(f13(c1),c1),f3(tptp0,f13(c1),f15(f13(c1),c1))).  [resolve(581,b,128,b),unit_del(b,1673),unit_del(c,620)].
% 2.77/3.09  10137 leaf_occ(f13(c1),c1) | leaf_occ(f15(f13(c1),c1),f3(tptp0,f13(c1),f15(f13(c1),c1))).  [resolve(2273,c,585,c),merge(c),unit_del(c,1673)].
% 2.77/3.09  10142 leaf_occ(f13(c1),c1) | occurrence_of(f4(f15(f13(c1),c1),tptp0),tptp0).  [resolve(10137,b,2097,d),merge(b),unit_del(c,1673)].
% 2.77/3.09  10143 leaf_occ(f13(c1),c1) | leaf_occ(f15(f13(c1),c1),f4(f15(f13(c1),c1),tptp0)).  [resolve(10137,b,2024,d),merge(b),unit_del(c,1673)].
% 2.77/3.09  10159 occurrence_of(f4(f15(f13(c1),c1),tptp0),tptp0).  [resolve(10142,a,350,b),unit_del(b,91)].
% 2.77/3.09  10187 -occurrence_of(f4(f15(f13(c1),c1),tptp0),A) | tptp0 = A.  [resolve(10159,a,118,b)].
% 2.77/3.09  10188 leaf_occ(f14(f4(f15(f13(c1),c1),tptp0)),f4(f15(f13(c1),c1),tptp0)).  [resolve(10159,a,115,a)].
% 2.77/3.09  10235 atomic(f9(f14(f4(f15(f13(c1),c1),tptp0)),f4(f15(f13(c1),c1),tptp0))) | occurrence_of(f4(f14(f4(f15(f13(c1),c1),tptp0)),f9(f14(f4(f15(f13(c1),c1),tptp0)),f4(f15(f13(c1),c1),tptp0))),f9(f14(f4(f15(f13(c1),c1),tptp0)),f4(f15(f13(c1),c1),tptp0))).  [resolve(10188,a,135,c)].
% 2.77/3.09  10236 -occurrence_of(f4(f15(f13(c1),c1),tptp0),A) | atomic(A) | -leaf_occ(B,f4(f15(f13(c1),c1),tptp0)) | f14(f4(f15(f13(c1),c1),tptp0)) = B.  [resolve(10188,a,127,d)].
% 2.77/3.09  10237 occurrence_of(f4(f15(f13(c1),c1),tptp0),f9(f14(f4(f15(f13(c1),c1),tptp0)),f4(f15(f13(c1),c1),tptp0))).  [resolve(10188,a,116,a)].
% 2.77/3.09  10595 f9(f14(f4(f15(f13(c1),c1),tptp0)),f4(f15(f13(c1),c1),tptp0)) = tptp0.  [resolve(10237,a,10187,a),flip(a)].
% 2.77/3.09  10596 occurrence_of(f4(f14(f4(f15(f13(c1),c1),tptp0)),tptp0),tptp0).  [back_rewrite(10235),rewrite([10595(14),10595(23),10595(25)]),unit_del(a,92)].
% 2.77/3.09  10616 occurrence_of(f14(f4(f14(f4(f15(f13(c1),c1),tptp0)),tptp0)),tptp3).  [resolve(10596,a,114,a)].
% 2.77/3.09  10623 occurrence_of(f14(f4(f14(f4(f15(f13(c1),c1),tptp0)),tptp0)),f5(f14(f4(f14(f4(f15(f13(c1),c1),tptp0)),tptp0)))).  [resolve(10616,a,192,b)].
% 2.77/3.09  10624 -occurrence_of(f14(f4(f14(f4(f15(f13(c1),c1),tptp0)),tptp0)),A) | tptp3 = A.  [resolve(10616,a,118,b)].
% 2.77/3.09  11086 f5(f14(f4(f14(f4(f15(f13(c1),c1),tptp0)),tptp0))) = tptp3.  [resolve(10623,a,10624,a),flip(a)].
% 2.77/3.09  12935 -occurrence_of(f4(f15(f13(c1),c1),tptp0),A) | atomic(A) | f14(f4(f15(f13(c1),c1),tptp0)) = f15(f13(c1),c1) | leaf_occ(f13(c1),c1).  [resolve(10236,c,10143,b)].
% 2.77/3.09  12936 f14(f4(f15(f13(c1),c1),tptp0)) = f15(f13(c1),c1) | leaf_occ(f13(c1),c1).  [resolve(12935,a,10159,a),unit_del(a,92)].
% 2.77/3.09  12945 f14(f4(f15(f13(c1),c1),tptp0)) = f15(f13(c1),c1).  [resolve(12936,b,350,b),unit_del(b,91)].
% 2.77/3.09  13070 $F.  [back_rewrite(11086),rewrite([12945(7),12945(7),808(5)]),flip(a),unit_del(a,98)].
% 2.77/3.09  
% 2.77/3.09  % SZS output end Refutation
% 2.77/3.09  ============================== end of proof ==========================
% 2.77/3.09  
% 2.77/3.09  ============================== STATISTICS ============================
% 2.77/3.09  
% 2.77/3.09  Given=2930. Generated=26600. Kept=12977. proofs=1.
% 2.77/3.09  Usable=1331. Sos=3307. Demods=78. Limbo=125, Disabled=8388. Hints=0.
% 2.77/3.09  Megabytes=28.75.
% 2.77/3.09  User_CPU=2.08, System_CPU=0.03, Wall_clock=2.
% 2.77/3.09  
% 2.77/3.09  ============================== end of statistics =====================
% 2.77/3.09  
% 2.77/3.09  ============================== end of search =========================
% 2.77/3.09  
% 2.77/3.09  THEOREM PROVED
% 2.77/3.09  % SZS status Theorem
% 2.77/3.09  
% 2.77/3.09  Exiting with 1 proof.
% 2.77/3.09  
% 2.77/3.09  Process 28392 exit (max_proofs) Mon Jun 13 01:53:29 2022
% 2.77/3.10  Prover9 interrupted
%------------------------------------------------------------------------------