TSTP Solution File: SWV466+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SWV466+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n014.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 : Wed Jul 20 21:13:09 EDT 2022

% Result   : Theorem 0.82s 1.65s
% Output   : Refutation 0.82s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SWV466+1 : TPTP v8.1.0. Released v4.0.0.
% 0.08/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.35  % Computer : n014.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Wed Jun 15 20:22:20 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.82/1.09  ============================== Prover9 ===============================
% 0.82/1.09  Prover9 (32) version 2009-11A, November 2009.
% 0.82/1.09  Process 17693 was started by sandbox2 on n014.cluster.edu,
% 0.82/1.09  Wed Jun 15 20:22:21 2022
% 0.82/1.09  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_17539_n014.cluster.edu".
% 0.82/1.09  ============================== end of head ===========================
% 0.82/1.09  
% 0.82/1.09  ============================== INPUT =================================
% 0.82/1.09  
% 0.82/1.09  % Reading from file /tmp/Prover9_17539_n014.cluster.edu
% 0.82/1.09  
% 0.82/1.09  set(prolog_style_variables).
% 0.82/1.09  set(auto2).
% 0.82/1.09      % set(auto2) -> set(auto).
% 0.82/1.09      % set(auto) -> set(auto_inference).
% 0.82/1.09      % set(auto) -> set(auto_setup).
% 0.82/1.09      % set(auto_setup) -> set(predicate_elim).
% 0.82/1.09      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.82/1.09      % set(auto) -> set(auto_limits).
% 0.82/1.09      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.82/1.09      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.82/1.09      % set(auto) -> set(auto_denials).
% 0.82/1.09      % set(auto) -> set(auto_process).
% 0.82/1.09      % set(auto2) -> assign(new_constants, 1).
% 0.82/1.09      % set(auto2) -> assign(fold_denial_max, 3).
% 0.82/1.09      % set(auto2) -> assign(max_weight, "200.000").
% 0.82/1.09      % set(auto2) -> assign(max_hours, 1).
% 0.82/1.09      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.82/1.09      % set(auto2) -> assign(max_seconds, 0).
% 0.82/1.09      % set(auto2) -> assign(max_minutes, 5).
% 0.82/1.09      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.82/1.09      % set(auto2) -> set(sort_initial_sos).
% 0.82/1.09      % set(auto2) -> assign(sos_limit, -1).
% 0.82/1.09      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.82/1.09      % set(auto2) -> assign(max_megs, 400).
% 0.82/1.09      % set(auto2) -> assign(stats, some).
% 0.82/1.09      % set(auto2) -> clear(echo_input).
% 0.82/1.09      % set(auto2) -> set(quiet).
% 0.82/1.09      % set(auto2) -> clear(print_initial_clauses).
% 0.82/1.09      % set(auto2) -> clear(print_given).
% 0.82/1.09  assign(lrs_ticks,-1).
% 0.82/1.09  assign(sos_limit,10000).
% 0.82/1.09  assign(order,kbo).
% 0.82/1.09  set(lex_order_vars).
% 0.82/1.09  clear(print_given).
% 0.82/1.09  
% 0.82/1.09  % formulas(sos).  % not echoed (67 formulas)
% 0.82/1.09  
% 0.82/1.09  ============================== end of input ==========================
% 0.82/1.09  
% 0.82/1.09  % From the command line: assign(max_seconds, 300).
% 0.82/1.09  
% 0.82/1.09  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.82/1.09  
% 0.82/1.09  % Formulas that are not ordinary clauses:
% 0.82/1.09  1 (all Pid all Pid2 (elem(m_Ack(Pid,Pid2),queue(host(Pid))) -> setIn(Pid,pids) & setIn(Pid2,pids))) # label(axiom) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  2 (all P all Q (s(host(P)) = host(Q) -> host(P) != host(Q))) # label(axiom_01) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  3 (all P leq(s(zero),host(P))) # label(axiom_02) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  4 (all P leq(host(P),nbr_proc)) # label(axiom_04) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  5 (all X all Y all Z m_Ack(X,Y) != m_Halt(Z)) # label(axiom_11) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  6 (all X all Y all Z m_Ack(X,Y) != m_Down(Z)) # label(axiom_12) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  7 (all X all Y all Z m_Ack(X,Y) != m_NotNorm(Z)) # label(axiom_13) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  8 (all X all Y all Z m_Ack(X,Y) != m_Ldr(Z)) # label(axiom_14) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  9 (all X all Y all Z m_Ack(X,Y) != m_NormQ(Z)) # label(axiom_15) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  10 (all X all Y m_NotNorm(X) != m_Halt(Y)) # label(axiom_16) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  11 (all X all Y m_Down(X) != m_Halt(Y)) # label(axiom_17) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  12 (all X all Y m_Down(X) != m_Ldr(Y)) # label(axiom_18) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  13 (all X all Y m_Down(X) != m_NotNorm(Y)) # label(axiom_19) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  14 (all X all Y m_Down(X) != m_NormQ(Y)) # label(axiom_20) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  15 (all X all Y m_NormQ(X) != m_Halt(Y)) # label(axiom_21) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  16 (all X all Y m_Ldr(X) != m_Halt(Y)) # label(axiom_22) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  17 (all X all Y m_Ldr(X) != m_NormQ(Y)) # label(axiom_23) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  18 (all X all Y m_Ldr(X) != m_NotNorm(Y)) # label(axiom_24) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  19 (all X all Y m_NormQ(X) != m_NotNorm(Y)) # label(axiom_25) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  20 (all X all Y (X != Y <-> m_Halt(X) != m_Halt(Y))) # label(axiom_26) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  21 (all X all Y (X != Y <-> m_NormQ(X) != m_NormQ(Y))) # label(axiom_27) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  22 (all X all Y (X != Y <-> m_NotNorm(X) != m_NotNorm(Y))) # label(axiom_28) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  23 (all X all Y (X != Y <-> m_Ldr(X) != m_Ldr(Y))) # label(axiom_29) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  24 (all X all Y (X != Y <-> m_Down(X) != m_Down(Y))) # label(axiom_30) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  25 (all X1 all X2 all Y1 all Y2 (X1 != X2 -> m_Ack(X1,Y1) != m_Ack(X2,Y2))) # label(axiom_31) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  26 (all X1 all X2 all Y1 all Y2 (Y1 != Y2 -> m_Ack(X1,Y1) != m_Ack(X2,Y2))) # label(axiom_32) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  27 (all Pid all Pid2 (host(Pid) != host(Pid2) -> Pid != Pid2)) # label(axiom_33) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  28 (all X all Q head(cons(X,Q)) = X) # label(axiom_35) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  29 (all X all Q tail(cons(X,Q)) = Q) # label(axiom_36) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  30 (all Y all Q last(snoc(Q,Y)) = Y) # label(axiom_37) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  31 (all Y all Q init(snoc(Q,Y)) = Q) # label(axiom_38) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  32 (all Q (Q = q_nil | Q = cons(head(Q),tail(Q)))) # label(axiom_39) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  33 (all Q (Q = q_nil | Q = snoc(init(Q),last(Q)))) # label(axiom_40) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  34 (all X all Q q_nil != cons(X,Q)) # label(axiom_41) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  35 (all Y all Q q_nil != snoc(Q,Y)) # label(axiom_42) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  36 (all X cons(X,q_nil) = snoc(q_nil,X)) # label(axiom_43) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  37 (all X all Y all Q snoc(cons(X,Q),Y) = cons(X,snoc(Q,Y))) # label(axiom_44) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  38 (all X -elem(X,q_nil)) # label(axiom_45) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  39 (all X all Y all Q (elem(X,cons(Y,Q)) <-> X = Y | elem(X,Q))) # label(axiom_46) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  40 (all X all Y all Q (elem(X,snoc(Q,Y)) <-> X = Y | elem(X,Q))) # label(axiom_47) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  41 (all X (pidElem(X) <-> (exists Y (X = m_Halt(Y) | X = m_Down(Y))))) # label(axiom_48) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  42 (all X pidMsg(m_Halt(X)) = X) # label(axiom_49) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  43 (all X pidMsg(m_Down(X)) = X) # label(axiom_50) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  44 (all X (ordered(cons(X,q_nil)) & ordered(snoc(q_nil,X)))) # label(axiom_52) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  45 (all X all Q (ordered(cons(X,Q)) <-> ordered(Q) & (all Y (elem(Y,Q) & pidElem(X) & pidElem(Y) & host(pidMsg(Y)) = host(pidMsg(X)) -> leq(pidMsg(X),pidMsg(Y)))))) # label(axiom_53) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  46 (all X all Q (ordered(snoc(Q,X)) <-> ordered(Q) & (all Y (elem(Y,Q) & pidElem(X) & pidElem(Y) & host(pidMsg(Y)) = host(pidMsg(X)) -> leq(pidMsg(Y),pidMsg(X)))))) # label(axiom_54) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  47 (all Q all X all Y (ordered(Q) -> ordered(snoc(Q,m_Ack(X,Y))))) # label(axiom_55) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  48 (all Q all X (ordered(Q) -> ordered(snoc(Q,m_Ldr(X))))) # label(axiom_56) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  49 (all Q all X all Y (ordered(cons(m_Halt(X),Q)) & host(X) = host(Y) & elem(m_Down(Y),Q) -> leq(X,Y))) # label(axiom_57) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  50 (all X -leq(s(X),X)) # label(axiom_58) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  51 (all X leq(X,X)) # label(axiom_59) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  52 (all X all Y (leq(X,Y) | leq(Y,X))) # label(axiom_60) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  53 (all X all Y (leq(X,Y) & leq(Y,X) <-> X = Y)) # label(axiom_61) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  54 (all X all Y all Z (leq(X,Y) & leq(Y,Z) -> leq(X,Z))) # label(axiom_62) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  55 (all X all Y (leq(X,Y) <-> leq(s(X),s(Y)))) # label(axiom_63) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  56 (all X all Y (leq(X,s(Y)) <-> X = s(Y) | leq(X,Y))) # label(axiom_64) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  57 (all X -setIn(X,setEmpty)) # label(axiom_65) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  58 -(all V all W all X all Y ((all Z all Pid0 (elem(m_Ldr(Pid0),queue(host(Z))) -> -leq(host(Z),host(Pid0)))) & (all Z all Pid0 (elem(m_Down(Pid0),queue(host(Z))) -> host(Pid0) != host(Z))) & (all Z all Pid0 (elem(m_Halt(Pid0),queue(host(Z))) -> -leq(host(Z),host(Pid0)))) & (all Z all Pid20 all Pid0 (elem(m_Ack(Pid0,Z),queue(host(Pid20))) -> -leq(host(Z),host(Pid0)))) & (all Z all Pid0 (Pid0 != Z & host(Pid0) = host(Z) -> -setIn(Z,alive) | -setIn(Pid0,alive))) & (all Z all Pid0 (setIn(Pid0,alive) & elem(m_Ack(Pid0,Z),queue(host(Pid0))) -> leq(host(Z),index(pendack,host(Pid0))))) & (all Z all Pid0 (setIn(Pid0,alive) & index(status,host(Pid0)) = elec_1 -> -elem(m_Ack(Pid0,Z),queue(host(Pid0))))) & (all Z ((index(status,host(Z)) = elec_1 | index(status,host(Z)) = elec_2) & setIn(Z,alive) -> index(elid,host(Z)) = Z)) & (all Z all Pid20 all Pid0 (setIn(Pid0,alive) & elem(m_Down(Pid20),queue(host(Pid0))) & host(Pid20) = host(Z) -> -(setIn(Z,alive) & index(ldr,host(Z)) = host(Z) & index(status,host(Z)) = norm))) & (all Z all Pid0 (-leq(host(Z),host(Pid0)) & setIn(Z,alive) & setIn(Pid0,alive) & index(status,host(Z)) = elec_2 & index(status,host(Pid0)) = elec_2 -> leq(index(pendack,host(Pid0)),host(Z)))) & (all Z all Pid20 all Pid0 (setIn(Z,alive) & setIn(Pid0,alive) & host(Pid0) = host(Pid20) & index(status,host(Z)) = elec_2 & index(status,host(Pid0)) = elec_2 -> -elem(m_Ack(Z,Pid20),queue(host(Z))))) & (all Z all Pid0 (-leq(host(Z),host(Pid0)) & setIn(Z,alive) & setIn(Pid0,alive) & index(status,host(Z)) = elec_2 & index(status,host(Pid0)) = elec_2 -> -leq(index(pendack,host(Z)),index(pendack,host(Pid0))))) & (all Z all Pid20 all Pid0 (-leq(index(pendack,host(Pid0)),host(Z)) & setIn(Pid0,alive) & elem(m_Halt(Pid0),queue(host(Pid20))) & index(status,host(Pid0)) = elec_2 -> -(setIn(Z,alive) & index(ldr,host(Z)) = host(Z) & index(status,host(Z)) = norm))) & (all Z all Pid30 all Pid20 all Pid0 ((all V0 (-leq(host(Pid0),V0) & leq(s(zero),V0) -> setIn(V0,index(down,host(Pid0))) | V0 = host(Pid20))) & elem(m_Down(Pid20),queue(host(Pid0))) & host(Pid0) = nbr_proc & host(Pid0) = host(Pid30) & index(status,host(Pid0)) = elec_1 -> -(setIn(Z,alive) & elem(m_Down(Pid30),queue(host(Z)))))) & (all Z all Pid30 all Pid20 all Pid0 (setIn(Pid0,alive) & elem(m_Down(Pid20),queue(host(Pid0))) & elem(m_Ack(Pid0,Pid30),queue(host(Pid0))) & leq(nbr_proc,s(index(pendack,host(Pid0)))) & index(status,host(Pid0)) = elec_2 & host(Pid30) = index(pendack,host(Pid0)) & host(Pid20) = s(index(pendack,host(Pid0))) -> -(setIn(Z,alive) & index(ldr,host(Z)) = host(Z) & index(status,host(Z)) = norm))) & queue(host(X)) = cons(m_Down(Y),V) -> (setIn(X,alive) -> (leq(host(X),host(Y)) -> (index(status,host(X)) = elec_2 & host(Y) = index(pendack,host(X)) -> (leq(nbr_proc,index(pendack,host(X))) -> (all Z (setIn(host(Z),index(acks,host(X))) -> (all V0 (host(X) = host(V0) -> (all W0 all X0 all Y0 (host(Z) = host(Y0) -> (host(X) != host(Y0) -> (setIn(Y0,alive) & leq(nbr_proc,s(index(pendack,host(Y0)))) & elem(m_Down(X0),snoc(queue(host(Y0)),m_Ldr(X))) & elem(m_Ack(Y0,W0),snoc(queue(host(Y0)),m_Ldr(X))) & index(status,host(Y0)) = elec_2 & host(W0) = index(pendack,host(Y0)) & host(X0) = s(index(pendack,host(Y0))) -> -(setIn(V0,alive) & host(X) = host(V0)))))))))))))))) # label(conj) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.82/1.65  
% 0.82/1.65  ============================== end of process non-clausal formulas ===
% 0.82/1.65  
% 0.82/1.65  ============================== PROCESS INITIAL CLAUSES ===============
% 0.82/1.65  
% 0.82/1.65  ============================== PREDICATE ELIMINATION =================
% 0.82/1.65  
% 0.82/1.65  ============================== end predicate elimination =============
% 0.82/1.65  
% 0.82/1.65  Auto_denials:  (non-Horn, no changes).
% 0.82/1.65  
% 0.82/1.65  Term ordering decisions:
% 0.82/1.65  Function symbol KB weights:  alive=1. status=1. pendack=1. elec_2=1. q_nil=1. nbr_proc=1. zero=1. elec_1=1. elid=1. pids=1. acks=1. ldr=1. norm=1. down=1. nil=1. setEmpty=1. wait=1. c1=1. c3=1. c4=1. c5=1. c6=1. c7=1. c8=1. c9=1. index=1. snoc=1. cons=1. m_Ack=1. f2=1. f3=1. host=1. pidMsg=1. s=1. m_Down=1. m_Halt=1. queue=1. m_Ldr=1. m_NormQ=1. m_NotNorm=1. head=1. init=1. last=1. tail=1. f1=1. f4=1.
% 0.82/1.65  
% 0.82/1.65  ============================== end of process initial clauses ========
% 0.82/1.65  
% 0.82/1.65  ============================== CLAUSES FOR SEARCH ====================
% 0.82/1.65  
% 0.82/1.65  ============================== end of clauses for search =============
% 0.82/1.65  
% 0.82/1.65  ============================== SEARCH ================================
% 0.82/1.65  
% 0.82/1.65  % Starting search at 0.04 seconds.
% 0.82/1.65  
% 0.82/1.65  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 61 (0.00 of 0.28 sec).
% 0.82/1.65  
% 0.82/1.65  ============================== PROOF =================================
% 0.82/1.65  % SZS status Theorem
% 0.82/1.65  % SZS output start Refutation
% 0.82/1.65  
% 0.82/1.65  % Proof 1 at 0.57 (+ 0.01) seconds.
% 0.82/1.65  % Length of proof is 84.
% 0.82/1.65  % Level of proof is 13.
% 0.82/1.65  % Maximum clause weight is 36.000.
% 0.82/1.65  % Given clauses 771.
% 0.82/1.65  
% 0.82/1.65  4 (all P leq(host(P),nbr_proc)) # label(axiom_04) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  8 (all X all Y all Z m_Ack(X,Y) != m_Ldr(Z)) # label(axiom_14) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  12 (all X all Y m_Down(X) != m_Ldr(Y)) # label(axiom_18) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  31 (all Y all Q init(snoc(Q,Y)) = Q) # label(axiom_38) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  39 (all X all Y all Q (elem(X,cons(Y,Q)) <-> X = Y | elem(X,Q))) # label(axiom_46) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  40 (all X all Y all Q (elem(X,snoc(Q,Y)) <-> X = Y | elem(X,Q))) # label(axiom_47) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  53 (all X all Y (leq(X,Y) & leq(Y,X) <-> X = Y)) # label(axiom_61) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  56 (all X all Y (leq(X,s(Y)) <-> X = s(Y) | leq(X,Y))) # label(axiom_64) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.65  58 -(all V all W all X all Y ((all Z all Pid0 (elem(m_Ldr(Pid0),queue(host(Z))) -> -leq(host(Z),host(Pid0)))) & (all Z all Pid0 (elem(m_Down(Pid0),queue(host(Z))) -> host(Pid0) != host(Z))) & (all Z all Pid0 (elem(m_Halt(Pid0),queue(host(Z))) -> -leq(host(Z),host(Pid0)))) & (all Z all Pid20 all Pid0 (elem(m_Ack(Pid0,Z),queue(host(Pid20))) -> -leq(host(Z),host(Pid0)))) & (all Z all Pid0 (Pid0 != Z & host(Pid0) = host(Z) -> -setIn(Z,alive) | -setIn(Pid0,alive))) & (all Z all Pid0 (setIn(Pid0,alive) & elem(m_Ack(Pid0,Z),queue(host(Pid0))) -> leq(host(Z),index(pendack,host(Pid0))))) & (all Z all Pid0 (setIn(Pid0,alive) & index(status,host(Pid0)) = elec_1 -> -elem(m_Ack(Pid0,Z),queue(host(Pid0))))) & (all Z ((index(status,host(Z)) = elec_1 | index(status,host(Z)) = elec_2) & setIn(Z,alive) -> index(elid,host(Z)) = Z)) & (all Z all Pid20 all Pid0 (setIn(Pid0,alive) & elem(m_Down(Pid20),queue(host(Pid0))) & host(Pid20) = host(Z) -> -(setIn(Z,alive) & index(ldr,host(Z)) = host(Z) & index(status,host(Z)) = norm))) & (all Z all Pid0 (-leq(host(Z),host(Pid0)) & setIn(Z,alive) & setIn(Pid0,alive) & index(status,host(Z)) = elec_2 & index(status,host(Pid0)) = elec_2 -> leq(index(pendack,host(Pid0)),host(Z)))) & (all Z all Pid20 all Pid0 (setIn(Z,alive) & setIn(Pid0,alive) & host(Pid0) = host(Pid20) & index(status,host(Z)) = elec_2 & index(status,host(Pid0)) = elec_2 -> -elem(m_Ack(Z,Pid20),queue(host(Z))))) & (all Z all Pid0 (-leq(host(Z),host(Pid0)) & setIn(Z,alive) & setIn(Pid0,alive) & index(status,host(Z)) = elec_2 & index(status,host(Pid0)) = elec_2 -> -leq(index(pendack,host(Z)),index(pendack,host(Pid0))))) & (all Z all Pid20 all Pid0 (-leq(index(pendack,host(Pid0)),host(Z)) & setIn(Pid0,alive) & elem(m_Halt(Pid0),queue(host(Pid20))) & index(status,host(Pid0)) = elec_2 -> -(setIn(Z,alive) & index(ldr,host(Z)) = host(Z) & index(status,host(Z)) = norm))) & (all Z all Pid30 all Pid20 all Pid0 ((all V0 (-leq(host(Pid0),V0) & leq(s(zero),V0) -> setIn(V0,index(down,host(Pid0))) | V0 = host(Pid20))) & elem(m_Down(Pid20),queue(host(Pid0))) & host(Pid0) = nbr_proc & host(Pid0) = host(Pid30) & index(status,host(Pid0)) = elec_1 -> -(setIn(Z,alive) & elem(m_Down(Pid30),queue(host(Z)))))) & (all Z all Pid30 all Pid20 all Pid0 (setIn(Pid0,alive) & elem(m_Down(Pid20),queue(host(Pid0))) & elem(m_Ack(Pid0,Pid30),queue(host(Pid0))) & leq(nbr_proc,s(index(pendack,host(Pid0)))) & index(status,host(Pid0)) = elec_2 & host(Pid30) = index(pendack,host(Pid0)) & host(Pid20) = s(index(pendack,host(Pid0))) -> -(setIn(Z,alive) & index(ldr,host(Z)) = host(Z) & index(status,host(Z)) = norm))) & queue(host(X)) = cons(m_Down(Y),V) -> (setIn(X,alive) -> (leq(host(X),host(Y)) -> (index(status,host(X)) = elec_2 & host(Y) = index(pendack,host(X)) -> (leq(nbr_proc,index(pendack,host(X))) -> (all Z (setIn(host(Z),index(acks,host(X))) -> (all V0 (host(X) = host(V0) -> (all W0 all X0 all Y0 (host(Z) = host(Y0) -> (host(X) != host(Y0) -> (setIn(Y0,alive) & leq(nbr_proc,s(index(pendack,host(Y0)))) & elem(m_Down(X0),snoc(queue(host(Y0)),m_Ldr(X))) & elem(m_Ack(Y0,W0),snoc(queue(host(Y0)),m_Ldr(X))) & index(status,host(Y0)) = elec_2 & host(W0) = index(pendack,host(Y0)) & host(X0) = s(index(pendack,host(Y0))) -> -(setIn(V0,alive) & host(X) = host(V0)))))))))))))))) # label(conj) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.82/1.65  64 leq(host(A),nbr_proc) # label(axiom_04) # label(axiom).  [clausify(4)].
% 0.82/1.65  79 m_Ldr(A) != m_Ack(B,C) # label(axiom_14) # label(axiom).  [clausify(8)].
% 0.82/1.65  83 m_Ldr(A) != m_Down(B) # label(axiom_18) # label(axiom).  [clausify(12)].
% 0.82/1.65  108 init(snoc(A,B)) = A # label(axiom_38) # label(axiom).  [clausify(31)].
% 0.82/1.65  119 elem(A,cons(B,C)) | B != A # label(axiom_46) # label(axiom).  [clausify(39)].
% 0.82/1.65  121 -elem(A,snoc(B,C)) | C = A | elem(A,B) # label(axiom_47) # label(axiom).  [clausify(40)].
% 0.82/1.65  152 -leq(A,B) | -leq(B,A) | B = A # label(axiom_61) # label(axiom).  [clausify(53)].
% 0.82/1.65  158 -leq(A,s(B)) | s(B) = A | leq(A,B) # label(axiom_64) # label(axiom).  [clausify(56)].
% 0.82/1.65  162 -elem(m_Down(A),queue(host(B))) | host(A) != host(B) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  171 leq(host(A),host(B)) | -setIn(A,alive) | -setIn(B,alive) | index(status,host(A)) != elec_2 | index(status,host(B)) != elec_2 | leq(index(pendack,host(B)),host(A)) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  172 -setIn(A,alive) | -setIn(B,alive) | host(C) != host(B) | index(status,host(A)) != elec_2 | index(status,host(B)) != elec_2 | -elem(m_Ack(A,C),queue(host(A))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  181 cons(m_Down(c4),c1) = queue(host(c3)) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  182 setIn(c3,alive) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  184 index(status,host(c3)) = elec_2 # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  185 elec_2 = index(status,host(c3)).  [copy(184),flip(a)].
% 0.82/1.65  186 index(pendack,host(c3)) = host(c4) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  187 leq(nbr_proc,index(pendack,host(c3))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  188 leq(nbr_proc,host(c4)).  [copy(187),rewrite([186(5)])].
% 0.82/1.65  190 host(c6) = host(c3) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  191 host(c9) = host(c5) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  192 host(c9) != host(c3) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  193 host(c5) != host(c3).  [copy(192),rewrite([191(2)])].
% 0.82/1.65  194 setIn(c9,alive) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  195 leq(nbr_proc,s(index(pendack,host(c9)))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  196 leq(nbr_proc,s(index(pendack,host(c5)))).  [copy(195),rewrite([191(4)])].
% 0.82/1.65  197 elem(m_Down(c8),snoc(queue(host(c9)),m_Ldr(c3))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  198 elem(m_Down(c8),snoc(queue(host(c5)),m_Ldr(c3))).  [copy(197),rewrite([191(4)])].
% 0.82/1.65  199 elem(m_Ack(c9,c7),snoc(queue(host(c9)),m_Ldr(c3))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  200 elem(m_Ack(c9,c7),snoc(queue(host(c5)),m_Ldr(c3))).  [copy(199),rewrite([191(5)])].
% 0.82/1.65  201 index(status,host(c9)) = elec_2 # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  202 index(status,host(c5)) = index(status,host(c3)).  [copy(201),rewrite([191(3),185(5)])].
% 0.82/1.65  203 index(pendack,host(c9)) = host(c7) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  204 index(pendack,host(c5)) = host(c7).  [copy(203),rewrite([191(3)])].
% 0.82/1.65  205 s(index(pendack,host(c9))) = host(c8) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.82/1.65  206 s(host(c7)) = host(c8).  [copy(205),rewrite([191(3),204(4)])].
% 0.82/1.65  214 -setIn(A,alive) | -setIn(B,alive) | host(C) != host(B) | index(status,host(c3)) != index(status,host(A)) | index(status,host(c3)) != index(status,host(B)) | -elem(m_Ack(A,C),queue(host(A))).  [back_rewrite(172),rewrite([185(11),185(19)]),flip(d),flip(e)].
% 0.82/1.65  215 leq(host(A),host(B)) | -setIn(A,alive) | -setIn(B,alive) | index(status,host(c3)) != index(status,host(A)) | index(status,host(c3)) != index(status,host(B)) | leq(index(pendack,host(B)),host(A)).  [back_rewrite(171),rewrite([185(11),185(19)]),flip(d),flip(e)].
% 0.82/1.65  220 host(c5) = c_0.  [new_symbol(193)].
% 0.82/1.65  221 leq(nbr_proc,s(index(pendack,c_0))).  [back_rewrite(196),rewrite([220(4)])].
% 0.82/1.65  222 index(pendack,c_0) = host(c7).  [back_rewrite(204),rewrite([220(3)])].
% 0.82/1.65  223 index(status,host(c3)) = index(status,c_0).  [back_rewrite(202),rewrite([220(3)]),flip(a)].
% 0.82/1.65  224 elem(m_Ack(c9,c7),snoc(queue(c_0),m_Ldr(c3))).  [back_rewrite(200),rewrite([220(5)])].
% 0.82/1.65  225 elem(m_Down(c8),snoc(queue(c_0),m_Ldr(c3))).  [back_rewrite(198),rewrite([220(4)])].
% 0.82/1.65  226 host(c3) != c_0.  [back_rewrite(193),rewrite([220(2)]),flip(a)].
% 0.82/1.65  227 host(c9) = c_0.  [back_rewrite(191),rewrite([220(4)])].
% 0.82/1.65  229 leq(nbr_proc,host(c8)).  [back_rewrite(221),rewrite([222(4),206(4)])].
% 0.82/1.65  234 leq(host(A),host(B)) | -setIn(A,alive) | -setIn(B,alive) | index(status,host(A)) != index(status,c_0) | index(status,host(B)) != index(status,c_0) | leq(index(pendack,host(B)),host(A)).  [back_rewrite(215),rewrite([223(11),223(18)]),flip(d),flip(e)].
% 0.82/1.65  235 -setIn(A,alive) | -setIn(B,alive) | host(C) != host(B) | index(status,host(A)) != index(status,c_0) | index(status,host(B)) != index(status,c_0) | -elem(m_Ack(A,C),queue(host(A))).  [back_rewrite(214),rewrite([223(11),223(18)]),flip(d),flip(e)].
% 0.82/1.65  268 elem(A,cons(A,B)).  [resolve(119,b,108,a),rewrite([108(2)])].
% 0.82/1.65  348 host(c4) = nbr_proc.  [resolve(188,a,152,b),flip(b),unit_del(a,64)].
% 0.82/1.65  349 index(pendack,host(c3)) = nbr_proc.  [back_rewrite(186),rewrite([348(6)])].
% 0.82/1.65  353 -elem(m_Down(A),queue(host(c3))) | host(c3) != host(A).  [para(190(a,1),162(a,2,1)),rewrite([190(8)]),flip(b)].
% 0.82/1.65  365 -leq(A,host(c8)) | host(c8) = A | leq(A,host(c7)).  [para(206(a,1),158(a,2)),rewrite([206(6)])].
% 0.82/1.65  375 leq(c_0,nbr_proc).  [para(220(a,1),64(a,1))].
% 0.82/1.65  377 -elem(m_Down(A),queue(c_0)) | host(A) != c_0.  [para(220(a,1),162(a,2,1)),rewrite([220(7)])].
% 0.82/1.65  383 elem(m_Ack(c9,c7),queue(c_0)).  [resolve(224,a,121,a),flip(a),unit_del(a(flip),79)].
% 0.82/1.65  389 elem(m_Down(c8),queue(c_0)).  [resolve(225,a,121,a),unit_del(a,83)].
% 0.82/1.65  397 host(c8) = nbr_proc.  [resolve(229,a,152,b),flip(b),unit_del(a,64)].
% 0.82/1.65  401 -leq(A,nbr_proc) | nbr_proc = A | leq(A,host(c7)).  [back_rewrite(365),rewrite([397(2),397(4)])].
% 0.82/1.65  412 leq(c_0,host(A)) | -setIn(A,alive) | index(status,host(A)) != index(status,c_0) | leq(index(pendack,host(A)),c_0).  [resolve(234,b,194,a),rewrite([227(2),227(8),227(24)]),xx(c)].
% 0.82/1.65  413 leq(host(c3),host(A)) | -setIn(A,alive) | index(status,host(A)) != index(status,c_0) | leq(index(pendack,host(A)),host(c3)).  [resolve(234,b,182,a),rewrite([223(10)]),xx(c)].
% 0.82/1.65  416 -setIn(A,alive) | host(B) != host(A) | index(status,host(A)) != index(status,c_0) | -elem(m_Ack(c9,B),queue(c_0)).  [resolve(235,a,194,a),rewrite([227(8),227(23)]),xx(c)].
% 0.82/1.66  461 -leq(nbr_proc,c_0) | c_0 = nbr_proc.  [resolve(375,a,152,b)].
% 0.82/1.66  533 elem(m_Down(c4),queue(host(c3))).  [para(181(a,1),268(a,2))].
% 0.82/1.66  575 c_0 != nbr_proc.  [resolve(389,a,377,a),rewrite([397(2)]),flip(a)].
% 0.82/1.66  581 -leq(nbr_proc,c_0).  [back_unit_del(461),unit_del(b,575)].
% 0.82/1.66  676 host(c3) != host(A) | -elem(m_Ack(c9,A),queue(c_0)).  [resolve(416,a,182,a),rewrite([223(8)]),flip(a),xx(b)].
% 0.82/1.66  784 host(c7) != host(c3).  [resolve(383,a,676,b),flip(a)].
% 0.82/1.66  869 host(c3) != nbr_proc.  [resolve(533,a,353,a),rewrite([348(4)])].
% 0.82/1.66  2130 host(A) = nbr_proc | leq(host(A),host(c7)).  [resolve(401,a,64,a),flip(a)].
% 0.82/1.66  2150 leq(c_0,host(c3)).  [resolve(412,b,182,a),rewrite([223(8),349(15)]),xx(b),unit_del(b,581)].
% 0.82/1.66  2157 -leq(host(c3),c_0).  [resolve(2150,a,152,b),flip(b),unit_del(b,226)].
% 0.82/1.66  2176 leq(host(c7),host(c3)).  [resolve(413,b,194,a),rewrite([227(4),227(7),227(14),222(14)]),xx(b),unit_del(a,2157)].
% 0.82/1.66  2183 -leq(host(c3),host(c7)).  [resolve(2176,a,152,b),unit_del(b,784)].
% 0.82/1.66  4013 $F.  [resolve(2130,b,2183,a),unit_del(a,869)].
% 0.82/1.66  
% 0.82/1.66  % SZS output end Refutation
% 0.82/1.66  ============================== end of proof ==========================
% 0.82/1.66  
% 0.82/1.66  ============================== STATISTICS ============================
% 0.82/1.66  
% 0.82/1.66  Given=771. Generated=17197. Kept=3936. proofs=1.
% 0.82/1.66  Usable=755. Sos=3077. Demods=35. Limbo=0, Disabled=237. Hints=0.
% 0.82/1.66  Megabytes=8.47.
% 0.82/1.66  User_CPU=0.57, System_CPU=0.01, Wall_clock=1.
% 0.82/1.66  
% 0.82/1.66  ============================== end of statistics =====================
% 0.82/1.66  
% 0.82/1.66  ============================== end of search =========================
% 0.82/1.66  
% 0.82/1.66  THEOREM PROVED
% 0.82/1.66  % SZS status Theorem
% 0.82/1.66  
% 0.82/1.66  Exiting with 1 proof.
% 0.82/1.66  
% 0.82/1.66  Process 17693 exit (max_proofs) Wed Jun 15 20:22:22 2022
% 0.82/1.66  Prover9 interrupted
%------------------------------------------------------------------------------