TSTP Solution File: SWV449+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SWV449+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n005.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 21:13:06 EDT 2022

% Result   : Theorem 0.95s 1.22s
% Output   : Refutation 0.95s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SWV449+1 : TPTP v8.1.0. Released v4.0.0.
% 0.11/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n005.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun 14 17:27:39 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.75/1.02  ============================== Prover9 ===============================
% 0.75/1.02  Prover9 (32) version 2009-11A, November 2009.
% 0.75/1.02  Process 27937 was started by sandbox2 on n005.cluster.edu,
% 0.75/1.02  Tue Jun 14 17:27:39 2022
% 0.75/1.02  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_27784_n005.cluster.edu".
% 0.75/1.02  ============================== end of head ===========================
% 0.75/1.02  
% 0.75/1.02  ============================== INPUT =================================
% 0.75/1.02  
% 0.75/1.02  % Reading from file /tmp/Prover9_27784_n005.cluster.edu
% 0.75/1.02  
% 0.75/1.02  set(prolog_style_variables).
% 0.75/1.02  set(auto2).
% 0.75/1.02      % set(auto2) -> set(auto).
% 0.75/1.02      % set(auto) -> set(auto_inference).
% 0.75/1.02      % set(auto) -> set(auto_setup).
% 0.75/1.02      % set(auto_setup) -> set(predicate_elim).
% 0.75/1.02      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.75/1.02      % set(auto) -> set(auto_limits).
% 0.75/1.02      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.75/1.02      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.75/1.02      % set(auto) -> set(auto_denials).
% 0.75/1.02      % set(auto) -> set(auto_process).
% 0.75/1.02      % set(auto2) -> assign(new_constants, 1).
% 0.75/1.02      % set(auto2) -> assign(fold_denial_max, 3).
% 0.75/1.02      % set(auto2) -> assign(max_weight, "200.000").
% 0.75/1.02      % set(auto2) -> assign(max_hours, 1).
% 0.75/1.02      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.75/1.02      % set(auto2) -> assign(max_seconds, 0).
% 0.75/1.02      % set(auto2) -> assign(max_minutes, 5).
% 0.75/1.02      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.75/1.02      % set(auto2) -> set(sort_initial_sos).
% 0.75/1.02      % set(auto2) -> assign(sos_limit, -1).
% 0.75/1.02      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.75/1.02      % set(auto2) -> assign(max_megs, 400).
% 0.75/1.02      % set(auto2) -> assign(stats, some).
% 0.75/1.02      % set(auto2) -> clear(echo_input).
% 0.75/1.02      % set(auto2) -> set(quiet).
% 0.75/1.02      % set(auto2) -> clear(print_initial_clauses).
% 0.75/1.02      % set(auto2) -> clear(print_given).
% 0.75/1.02  assign(lrs_ticks,-1).
% 0.75/1.02  assign(sos_limit,10000).
% 0.75/1.02  assign(order,kbo).
% 0.75/1.02  set(lex_order_vars).
% 0.75/1.02  clear(print_given).
% 0.75/1.02  
% 0.75/1.02  % formulas(sos).  % not echoed (67 formulas)
% 0.75/1.02  
% 0.75/1.02  ============================== end of input ==========================
% 0.75/1.02  
% 0.75/1.02  % From the command line: assign(max_seconds, 300).
% 0.75/1.02  
% 0.75/1.02  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.75/1.02  
% 0.75/1.02  % Formulas that are not ordinary clauses:
% 0.75/1.02  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].
% 0.75/1.02  2 (all P all Q (s(host(P)) = host(Q) -> host(P) != host(Q))) # label(axiom_01) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  3 (all P leq(s(zero),host(P))) # label(axiom_02) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  4 (all P leq(host(P),nbr_proc)) # label(axiom_04) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  5 (all X all Y all Z m_Ack(X,Y) != m_Halt(Z)) # label(axiom_11) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  6 (all X all Y all Z m_Ack(X,Y) != m_Down(Z)) # label(axiom_12) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  7 (all X all Y all Z m_Ack(X,Y) != m_NotNorm(Z)) # label(axiom_13) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  8 (all X all Y all Z m_Ack(X,Y) != m_Ldr(Z)) # label(axiom_14) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  9 (all X all Y all Z m_Ack(X,Y) != m_NormQ(Z)) # label(axiom_15) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  10 (all X all Y m_NotNorm(X) != m_Halt(Y)) # label(axiom_16) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  11 (all X all Y m_Down(X) != m_Halt(Y)) # label(axiom_17) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  12 (all X all Y m_Down(X) != m_Ldr(Y)) # label(axiom_18) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  13 (all X all Y m_Down(X) != m_NotNorm(Y)) # label(axiom_19) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  14 (all X all Y m_Down(X) != m_NormQ(Y)) # label(axiom_20) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  15 (all X all Y m_NormQ(X) != m_Halt(Y)) # label(axiom_21) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  16 (all X all Y m_Ldr(X) != m_Halt(Y)) # label(axiom_22) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  17 (all X all Y m_Ldr(X) != m_NormQ(Y)) # label(axiom_23) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  18 (all X all Y m_Ldr(X) != m_NotNorm(Y)) # label(axiom_24) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  19 (all X all Y m_NormQ(X) != m_NotNorm(Y)) # label(axiom_25) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  20 (all X all Y (X != Y <-> m_Halt(X) != m_Halt(Y))) # label(axiom_26) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  21 (all X all Y (X != Y <-> m_NormQ(X) != m_NormQ(Y))) # label(axiom_27) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  22 (all X all Y (X != Y <-> m_NotNorm(X) != m_NotNorm(Y))) # label(axiom_28) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  23 (all X all Y (X != Y <-> m_Ldr(X) != m_Ldr(Y))) # label(axiom_29) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  24 (all X all Y (X != Y <-> m_Down(X) != m_Down(Y))) # label(axiom_30) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  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].
% 0.75/1.02  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].
% 0.75/1.02  27 (all Pid all Pid2 (host(Pid) != host(Pid2) -> Pid != Pid2)) # label(axiom_33) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  28 (all X all Q head(cons(X,Q)) = X) # label(axiom_35) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  29 (all X all Q tail(cons(X,Q)) = Q) # label(axiom_36) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  30 (all Y all Q last(snoc(Q,Y)) = Y) # label(axiom_37) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  31 (all Y all Q init(snoc(Q,Y)) = Q) # label(axiom_38) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  32 (all Q (Q = q_nil | Q = cons(head(Q),tail(Q)))) # label(axiom_39) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  33 (all Q (Q = q_nil | Q = snoc(init(Q),last(Q)))) # label(axiom_40) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  34 (all X all Q q_nil != cons(X,Q)) # label(axiom_41) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  35 (all Y all Q q_nil != snoc(Q,Y)) # label(axiom_42) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  36 (all X cons(X,q_nil) = snoc(q_nil,X)) # label(axiom_43) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  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].
% 0.75/1.02  38 (all X -elem(X,q_nil)) # label(axiom_45) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  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].
% 0.75/1.02  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].
% 0.75/1.02  41 (all X (pidElem(X) <-> (exists Y (X = m_Halt(Y) | X = m_Down(Y))))) # label(axiom_48) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  42 (all X pidMsg(m_Halt(X)) = X) # label(axiom_49) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  43 (all X pidMsg(m_Down(X)) = X) # label(axiom_50) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  44 (all X (ordered(cons(X,q_nil)) & ordered(snoc(q_nil,X)))) # label(axiom_52) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  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].
% 0.75/1.02  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].
% 0.75/1.02  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].
% 0.75/1.02  48 (all Q all X (ordered(Q) -> ordered(snoc(Q,m_Ldr(X))))) # label(axiom_56) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.02  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].
% 0.95/1.22  50 (all X -leq(s(X),X)) # label(axiom_58) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  51 (all X leq(X,X)) # label(axiom_59) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  52 (all X all Y (leq(X,Y) | leq(Y,X))) # label(axiom_60) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  53 (all X all Y (leq(X,Y) & leq(Y,X) <-> X = Y)) # label(axiom_61) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  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].
% 0.95/1.22  55 (all X all Y (leq(X,Y) <-> leq(s(X),s(Y)))) # label(axiom_63) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  56 (all X all Y (leq(X,s(Y)) <-> X = s(Y) | leq(X,Y))) # label(axiom_64) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  57 (all X -setIn(X,setEmpty)) # label(axiom_65) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  58 -(all V all W all X all Y ((all Z all Pid0 (setIn(Pid0,alive) -> -elem(m_Down(Pid0),queue(host(Z))))) & (all Z all Pid0 (elem(m_Down(Pid0),queue(host(Z))) -> -setIn(Pid0,alive))) & (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 (-setIn(Z,alive) & leq(Pid0,Z) & host(Pid0) = host(Z) -> -setIn(Pid0,alive))) & (all Z all Pid0 (Pid0 != Z & host(Pid0) = host(Z) -> -setIn(Z,alive) | -setIn(Pid0,alive))) & (all Z all Pid30 all Pid20 all Pid0 (host(Pid20) != host(Z) & setIn(Z,alive) & setIn(Pid20,alive) & host(Pid30) = host(Z) & host(Pid0) = host(Pid20) -> -(elem(m_Down(Pid0),queue(host(Z))) & elem(m_Down(Pid30),queue(host(Pid20)))))) & queue(host(X)) = cons(m_Ack(W,Y),V) -> (setIn(X,alive) -> (index(elid,host(X)) = W & 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))) | host(Z) = host(Y) -> (all V0 (host(Z) = host(V0) -> (host(X) = host(V0) -> (all W0 all X0 (host(Z) != host(X0) -> (host(X) != host(X0) -> (all Y0 (host(X0) != host(V0) & setIn(V0,alive) & setIn(X0,alive) & host(W0) = host(V0) & host(Y0) = host(X0) -> -(elem(m_Down(W0),queue(host(X0))) & elem(m_Down(Y0),snoc(V,m_Ldr(X))))))))))))))))))) # label(conj) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.95/1.22  
% 0.95/1.22  ============================== end of process non-clausal formulas ===
% 0.95/1.22  
% 0.95/1.22  ============================== PROCESS INITIAL CLAUSES ===============
% 0.95/1.22  
% 0.95/1.22  ============================== PREDICATE ELIMINATION =================
% 0.95/1.22  
% 0.95/1.22  ============================== end predicate elimination =============
% 0.95/1.22  
% 0.95/1.22  Auto_denials:  (non-Horn, no changes).
% 0.95/1.22  
% 0.95/1.22  Term ordering decisions:
% 0.95/1.22  Function symbol KB weights:  alive=1. q_nil=1. nbr_proc=1. pendack=1. pids=1. zero=1. acks=1. elec_2=1. elid=1. status=1. elec_1=1. nil=1. norm=1. setEmpty=1. wait=1. c1=1. c2=1. c3=1. c4=1. c5=1. c6=1. c7=1. c8=1. c9=1. snoc=1. cons=1. m_Ack=1. index=1. f2=1. f3=1. host=1. pidMsg=1. m_Down=1. s=1. m_Halt=1. m_Ldr=1. queue=1. m_NormQ=1. m_NotNorm=1. head=1. init=1. last=1. tail=1. f1=1.
% 0.95/1.22  
% 0.95/1.22  ============================== end of process initial clauses ========
% 0.95/1.22  
% 0.95/1.22  ============================== CLAUSES FOR SEARCH ====================
% 0.95/1.22  
% 0.95/1.22  ============================== end of clauses for search =============
% 0.95/1.22  
% 0.95/1.22  ============================== SEARCH ================================
% 0.95/1.22  
% 0.95/1.22  % Starting search at 0.03 seconds.
% 0.95/1.22  
% 0.95/1.22  ============================== PROOF =================================
% 0.95/1.22  % SZS status Theorem
% 0.95/1.22  % SZS output start Refutation
% 0.95/1.22  
% 0.95/1.22  % Proof 1 at 0.21 (+ 0.01) seconds.
% 0.95/1.22  % Length of proof is 32.
% 0.95/1.22  % Level of proof is 8.
% 0.95/1.22  % Maximum clause weight is 33.000.
% 0.95/1.22  % Given clauses 409.
% 0.95/1.22  
% 0.95/1.22  12 (all X all Y m_Down(X) != m_Ldr(Y)) # label(axiom_18) # label(axiom) # label(non_clause).  [assumption].
% 0.95/1.22  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].
% 0.95/1.22  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].
% 0.95/1.22  58 -(all V all W all X all Y ((all Z all Pid0 (setIn(Pid0,alive) -> -elem(m_Down(Pid0),queue(host(Z))))) & (all Z all Pid0 (elem(m_Down(Pid0),queue(host(Z))) -> -setIn(Pid0,alive))) & (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 (-setIn(Z,alive) & leq(Pid0,Z) & host(Pid0) = host(Z) -> -setIn(Pid0,alive))) & (all Z all Pid0 (Pid0 != Z & host(Pid0) = host(Z) -> -setIn(Z,alive) | -setIn(Pid0,alive))) & (all Z all Pid30 all Pid20 all Pid0 (host(Pid20) != host(Z) & setIn(Z,alive) & setIn(Pid20,alive) & host(Pid30) = host(Z) & host(Pid0) = host(Pid20) -> -(elem(m_Down(Pid0),queue(host(Z))) & elem(m_Down(Pid30),queue(host(Pid20)))))) & queue(host(X)) = cons(m_Ack(W,Y),V) -> (setIn(X,alive) -> (index(elid,host(X)) = W & 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))) | host(Z) = host(Y) -> (all V0 (host(Z) = host(V0) -> (host(X) = host(V0) -> (all W0 all X0 (host(Z) != host(X0) -> (host(X) != host(X0) -> (all Y0 (host(X0) != host(V0) & setIn(V0,alive) & setIn(X0,alive) & host(W0) = host(V0) & host(Y0) = host(X0) -> -(elem(m_Down(W0),queue(host(X0))) & elem(m_Down(Y0),snoc(V,m_Ldr(X))))))))))))))))))) # label(conj) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.95/1.22  83 m_Ldr(A) != m_Down(B) # label(axiom_18) # label(axiom).  [clausify(12)].
% 0.95/1.22  120 elem(A,cons(B,C)) | -elem(A,C) # label(axiom_46) # label(axiom).  [clausify(39)].
% 0.95/1.22  121 -elem(A,snoc(B,C)) | C = A | elem(A,B) # label(axiom_47) # label(axiom).  [clausify(40)].
% 0.95/1.22  167 host(A) = host(B) | -setIn(B,alive) | -setIn(A,alive) | host(C) != host(B) | host(A) != host(D) | -elem(m_Down(D),queue(host(B))) | -elem(m_Down(C),queue(host(A))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  168 cons(m_Ack(c2,c4),c1) = queue(host(c3)) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  169 setIn(c3,alive) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  177 host(c6) = host(c5) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  178 host(c6) = host(c3) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  179 host(c5) = host(c3).  [copy(178),rewrite([177(2)])].
% 0.95/1.22  180 host(c8) != host(c5) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  181 host(c8) != host(c3).  [copy(180),rewrite([179(4)])].
% 0.95/1.22  184 setIn(c8,alive) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  185 host(c7) = host(c6) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  186 host(c7) = host(c3).  [copy(185),rewrite([177(4),179(4)])].
% 0.95/1.22  187 host(c9) = host(c8) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  188 elem(m_Down(c7),queue(host(c8))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  189 elem(m_Down(c9),snoc(c1,m_Ldr(c3))) # label(conj) # label(negated_conjecture).  [clausify(58)].
% 0.95/1.22  195 host(c8) = c_0.  [new_symbol(181)].
% 0.95/1.22  196 elem(m_Down(c7),queue(c_0)).  [back_rewrite(188),rewrite([195(4)])].
% 0.95/1.22  197 host(c9) = c_0.  [back_rewrite(187),rewrite([195(4)])].
% 0.95/1.22  198 host(c3) != c_0.  [back_rewrite(181),rewrite([195(2)]),flip(a)].
% 0.95/1.22  289 host(c3) = host(A) | -setIn(A,alive) | host(B) != host(A) | host(c3) != host(C) | -elem(m_Down(C),queue(host(A))) | -elem(m_Down(B),queue(host(c3))).  [resolve(169,a,167,c)].
% 0.95/1.22  319 elem(m_Down(c9),c1).  [resolve(189,a,121,a),unit_del(a,83)].
% 0.95/1.22  408 elem(m_Down(c9),cons(A,c1)).  [resolve(319,a,120,b)].
% 0.95/1.22  671 elem(m_Down(c9),queue(host(c3))).  [para(168(a,1),408(a,2))].
% 0.95/1.22  1760 host(A) != c_0 | host(c3) != host(B) | -elem(m_Down(B),queue(c_0)) | -elem(m_Down(A),queue(host(c3))).  [resolve(289,b,184,a),rewrite([195(4),195(7),195(14)]),unit_del(a,198)].
% 0.95/1.22  1761 host(A) != c_0 | -elem(m_Down(A),queue(host(c3))).  [resolve(1760,c,196,a),rewrite([186(7)]),xx(b)].
% 0.95/1.22  1763 $F.  [resolve(1761,b,671,a),rewrite([197(2)]),xx(a)].
% 0.95/1.22  
% 0.95/1.22  % SZS output end Refutation
% 0.95/1.22  ============================== end of proof ==========================
% 0.95/1.22  
% 0.95/1.22  ============================== STATISTICS ============================
% 0.95/1.22  
% 0.95/1.22  Given=409. Generated=5747. Kept=1690. proofs=1.
% 0.95/1.22  Usable=403. Sos=1254. Demods=32. Limbo=0, Disabled=155. Hints=0.
% 0.95/1.22  Megabytes=3.41.
% 0.95/1.22  User_CPU=0.21, System_CPU=0.01, Wall_clock=0.
% 0.95/1.22  
% 0.95/1.22  ============================== end of statistics =====================
% 0.95/1.22  
% 0.95/1.22  ============================== end of search =========================
% 0.95/1.22  
% 0.95/1.22  THEOREM PROVED
% 0.95/1.22  % SZS status Theorem
% 0.95/1.22  
% 0.95/1.22  Exiting with 1 proof.
% 0.95/1.22  
% 0.95/1.22  Process 27937 exit (max_proofs) Tue Jun 14 17:27:39 2022
% 0.95/1.22  Prover9 interrupted
%------------------------------------------------------------------------------