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Leo-III---1.8.0.CAX-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : LAT334+3 : TPTP v9.3.1. Released v3.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% Computer : n015.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 27 07:47:20 AM UTC 2026

% Result   : ContradictoryAxioms 99.79s 24.15s
% Output   : Refutation 79.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   22
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   67 (  30 unt;   0 typ;   3 def)
%            Number of atoms       :  142 (  77 equ;   0 cnn)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  350 (  48   ~;  35   |;  16   &; 242   @)
%                                         (   0 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   14 (  11 usr;   4 con; 0-2 aty)
%            Number of variables   :   66 (   1   ^;  57   !;   5   ?;  66   :)
%                                         (   0  !>;   0  ?*;   0  @-;   3  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(v1_xboole_0_decl,type,
    v1_xboole_0: $i > $o ).

thf(k4_xboole_0_decl,type,
    k4_xboole_0: $i > $i > $i ).

thf(k1_xboole_0_decl,type,
    k1_xboole_0: $i ).

thf(k1_tarski_decl,type,
    k1_tarski: $i > $i ).

thf(m1_subset_1_decl,type,
    m1_subset_1: $i > $i > $o ).

thf(v1_relat_1_decl,type,
    v1_relat_1: $i > $o ).

thf(v1_realset1_decl,type,
    v1_realset1: $i > $o ).

thf(k3_tarski_decl,type,
    k3_tarski: $i > $i ).

thf(sk9_decl,type,
    sk9: $i > $i ).

thf(sk10_decl,type,
    sk10: $i > $i > $i ).

thf(sk104_decl,type,
    sk104: $i ).

thf(sk9_def,definition,
    ( sk9
    = ( ^ [A: $i] :
        @+[B: $i] :
          ~ ( ( A @ ( B @ m1_subset_1 ) )
           => ~ ( B @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 ) ) ) ) ).

thf(sk10_def,definition,
    ( sk10
    = ( @+[A: $i > $i > $i] :
        ! [B: $i,C: $i] :
          ( ( C @ ( B @ k4_xboole_0 ) @ ( C @ A ) )
          = B ) ) ) ).

thf(sk104_def,definition,
    ( sk104
    = ( @+[A: $i] :
          ( ( A @ v1_realset1 )
          & ~ ( A @ v1_xboole_0 ) ) ) ) ).

thf(323,axiom,
    ? [A: $i] :
      ( ( A @ v1_realset1 )
      & ~ ( A @ v1_xboole_0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_realset1) ).

thf(2416,plain,
    ? [A: $i] :
      ( ( A @ v1_realset1 )
      & ~ ( A @ v1_xboole_0 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[323]) ).

thf(2417,plain,
    ( ( sk104 @ v1_realset1 )
    & ~ ( sk104 @ v1_xboole_0 ) ),
    inference(cnf,[status(esa)],[2416]) ).

thf(2419,plain,
    sk104 @ v1_realset1,
    inference(cnfConj,[status(thm)],[2417]) ).

thf(24,axiom,
    ! [A: $i] :
      ( ~ ( A @ v1_xboole_0 )
     => ~ ( ( A @ v1_realset1 )
          & ! [B: $i] :
              ( ( A @ ( B @ m1_subset_1 ) )
             => ~ ( B @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_realset1) ).

thf(946,plain,
    ! [A: $i] :
      ( ~ ( A @ v1_xboole_0 )
     => ~ ( ( A @ v1_realset1 )
          & ! [B: $i] :
              ( ( A @ ( B @ m1_subset_1 ) )
             => ~ ( B @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(947,plain,
    ! [A: $i] :
      ( ( ~ ( A @ v1_realset1 )
        | ( A @ sk9 @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 )
        | ( A @ v1_xboole_0 ) )
      & ( ~ ( A @ v1_realset1 )
        | ( A @ ( A @ sk9 @ m1_subset_1 ) )
        | ( A @ v1_xboole_0 ) ) ),
    inference(cnf,[status(esa)],[946]) ).

thf(949,plain,
    ! [A: $i] :
      ( ~ ( A @ v1_realset1 )
      | ( A @ sk9 @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 )
      | ( A @ v1_xboole_0 ) ),
    inference(cnfConj,[status(thm)],[947]) ).

thf(11759,plain,
    ! [A: $i] :
      ( ( ( sk104 @ v1_realset1 )
       != ( A @ v1_realset1 ) )
      | ~ $true
      | ( A @ sk9 @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 )
      | ( A @ v1_xboole_0 ) ),
    inference(paramod_ordered,[status(thm)],[2419,949]) ).

thf(11760,plain,
    ! [A: $i] :
      ( ( ( sk104 @ v1_realset1 )
       != ( A @ v1_realset1 ) )
      | ( A @ sk9 @ k1_tarski @ ( A @ k4_xboole_0 ) @ v1_xboole_0 )
      | ( A @ v1_xboole_0 ) ),
    inference(simp,[status(thm)],[11759]) ).

thf(11761,plain,
    ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) @ v1_xboole_0 )
    | ( sk104 @ v1_xboole_0 ) ),
    inference(pattern_uni,[status(thm)],[11760:[bind(A,$thf( sk104 ))]]) ).

thf(2418,plain,
    ~ ( sk104 @ v1_xboole_0 ),
    inference(cnfConj,[status(thm)],[2417]) ).

thf(12265,plain,
    ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) @ v1_xboole_0 )
    | $false ),
    inference(rewrite,[status(thm)],[11761,2418]) ).

thf(12266,plain,
    sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) @ v1_xboole_0,
    inference(simp,[status(thm)],[12265]) ).

thf(8,axiom,
    ! [A: $i] :
      ( ( A @ v1_xboole_0 )
     => ( A = k1_xboole_0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_boole) ).

thf(874,plain,
    ! [A: $i] :
      ( ( A @ v1_xboole_0 )
     => ( A = k1_xboole_0 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(875,plain,
    ! [A: $i] :
      ( ( A = k1_xboole_0 )
      | ~ ( A @ v1_xboole_0 ) ),
    inference(cnf,[status(esa)],[874]) ).

thf(876,plain,
    ! [A: $i] :
      ( ~ ( A @ v1_xboole_0 )
      | ( A = k1_xboole_0 ) ),
    inference(lifteq,[status(thm)],[875]) ).

thf(12362,plain,
    ! [A: $i] :
      ( ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) @ v1_xboole_0 )
       != ( A @ v1_xboole_0 ) )
      | ~ $true
      | ( A = k1_xboole_0 ) ),
    inference(paramod_ordered,[status(thm)],[12266,876]) ).

thf(12363,plain,
    ! [A: $i] :
      ( ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) @ v1_xboole_0 )
       != ( A @ v1_xboole_0 ) )
      | ( A = k1_xboole_0 ) ),
    inference(simp,[status(thm)],[12362]) ).

thf(12364,plain,
    ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) )
    = k1_xboole_0 ),
    inference(pattern_uni,[status(thm)],[12363:[bind(A,$thf( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) ))]]) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( A
         != ( B @ k1_tarski ) )
        & ( A != k1_xboole_0 )
        & ( ( B @ k1_tarski @ ( A @ k4_xboole_0 ) )
          = k1_xboole_0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t66_zfmisc_1) ).

thf(926,plain,
    ! [A: $i,B: $i] :
      ~ ( ( A
         != ( B @ k1_tarski ) )
        & ( A != k1_xboole_0 )
        & ( ( B @ k1_tarski @ ( A @ k4_xboole_0 ) )
          = k1_xboole_0 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(927,plain,
    ~ ? [A: $i,B: $i] :
        ( ( A
         != ( B @ k1_tarski ) )
        & ( A != k1_xboole_0 )
        & ( ( B @ k1_tarski @ ( A @ k4_xboole_0 ) )
          = k1_xboole_0 ) ),
    inference(miniscope,[status(thm)],[926]) ).

thf(928,plain,
    ! [B: $i,A: $i] :
      ( ( A
        = ( B @ k1_tarski ) )
      | ( A = k1_xboole_0 )
      | ( ( B @ k1_tarski @ ( A @ k4_xboole_0 ) )
       != k1_xboole_0 ) ),
    inference(cnf,[status(esa)],[927]) ).

thf(929,plain,
    ! [B: $i,A: $i] :
      ( ( A
        = ( B @ k1_tarski ) )
      | ( A = k1_xboole_0 )
      | ( ( B @ k1_tarski @ ( A @ k4_xboole_0 ) )
       != k1_xboole_0 ) ),
    inference(lifteq,[status(thm)],[928]) ).

thf(12628,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) )
       != ( B @ k1_tarski @ ( A @ k4_xboole_0 ) ) )
      | ( A
        = ( B @ k1_tarski ) )
      | ( A = k1_xboole_0 )
      | ( k1_xboole_0 != k1_xboole_0 ) ),
    inference(paramod_ordered,[status(thm)],[12364,929]) ).

thf(12629,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) )
       != ( B @ k1_tarski @ ( A @ k4_xboole_0 ) ) )
      | ( A
        = ( B @ k1_tarski ) )
      | ( A = k1_xboole_0 ) ),
    inference(simp,[status(thm)],[12628]) ).

thf(12630,plain,
    ( ( ( sk104 @ sk9 @ k1_tarski )
      = sk104 )
    | ( sk104 = k1_xboole_0 ) ),
    inference(pattern_uni,[status(thm)],[12629:[bind(A,$thf( sk104 )),bind(B,$thf( sk104 @ sk9 ))]]) ).

thf(64,axiom,
    ( ( k1_xboole_0 @ v1_relat_1 )
    & ( k1_xboole_0 @ v1_xboole_0 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(1149,plain,
    ( ( k1_xboole_0 @ v1_relat_1 )
    & ( k1_xboole_0 @ v1_xboole_0 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(1150,plain,
    ( ( k1_xboole_0 @ v1_relat_1 )
    & ( k1_xboole_0 @ v1_xboole_0 ) ),
    inference(cnf,[status(esa)],[1149]) ).

thf(1151,plain,
    k1_xboole_0 @ v1_xboole_0,
    inference(cnfConj,[status(thm)],[1150]) ).

thf(4689,plain,
    ( ( ( sk104 @ v1_xboole_0 )
     != ( k1_xboole_0 @ v1_xboole_0 ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[1151,2418]) ).

thf(4690,plain,
    ( ( sk104 @ v1_xboole_0 )
   != ( k1_xboole_0 @ v1_xboole_0 ) ),
    inference(simp,[status(thm)],[4689]) ).

thf(4691,plain,
    sk104 != k1_xboole_0,
    inference(simp,[status(thm)],[4690]) ).

thf(12667,plain,
    ( ( sk104 @ sk9 @ k1_tarski )
    = sk104 ),
    inference(simplifyReflect,[status(thm)],[12630,4691]) ).

thf(192,axiom,
    ! [A: $i] :
      ( ( A @ k1_tarski @ k3_tarski )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t31_zfmisc_1) ).

thf(1742,plain,
    ! [A: $i] :
      ( ( A @ k1_tarski @ k3_tarski )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[192]) ).

thf(1743,plain,
    ! [A: $i] :
      ( ( A @ k1_tarski @ k3_tarski )
      = A ),
    inference(cnf,[status(esa)],[1742]) ).

thf(1744,plain,
    ! [A: $i] :
      ( ( A @ k1_tarski @ k3_tarski )
      = A ),
    inference(lifteq,[status(thm)],[1743]) ).

thf(12685,plain,
    ! [A: $i] :
      ( ( ( sk104 @ sk9 @ k1_tarski )
       != ( A @ k1_tarski ) )
      | ( ( sk104 @ k3_tarski )
        = A ) ),
    inference(paramod_ordered,[status(thm)],[12667,1744]) ).

thf(12686,plain,
    ( ( sk104 @ sk9 )
    = ( sk104 @ k3_tarski ) ),
    inference(pattern_uni,[status(thm)],[12685:[bind(A,$thf( sk104 @ sk9 ))]]) ).

thf(12885,plain,
    ( ( sk104 @ k3_tarski @ k1_tarski )
    = sk104 ),
    inference(rewrite,[status(thm)],[12667,12686]) ).

thf(25,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ k4_xboole_0 ) )
        = ( A @ ( B @ k4_xboole_0 ) ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t32_xboole_1) ).

thf(950,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ k4_xboole_0 ) )
        = ( A @ ( B @ k4_xboole_0 ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(951,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( ( B @ ( A @ k4_xboole_0 ) )
       != ( A @ ( B @ k4_xboole_0 ) ) ) ),
    inference(cnf,[status(esa)],[950]) ).

thf(952,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( ( B @ ( A @ k4_xboole_0 ) )
       != ( A @ ( B @ k4_xboole_0 ) ) ) ),
    inference(lifteq,[status(thm)],[951]) ).

thf(953,plain,
    ? [A: $i > $i > $i] :
    ! [B: $i,C: $i] :
      ( ( C @ ( B @ k4_xboole_0 ) @ ( C @ A ) )
      = B ),
    inference(detectInverse,[status(thm)],[952]) ).

thf(954,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ k4_xboole_0 ) @ ( B @ sk10 ) )
      = A ),
    inference(cnf,[status(esa)],[953]) ).

thf(12520,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ k4_xboole_0 ) @ ( B @ sk10 ) )
      = A ),
    inference(lifteq,[status(thm)],[954]) ).

thf(12631,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk104 @ sk9 @ k1_tarski @ ( sk104 @ k4_xboole_0 ) )
       != ( B @ ( A @ k4_xboole_0 ) ) )
      | ( ( k1_xboole_0 @ ( B @ sk10 ) )
        = A ) ),
    inference(paramod_ordered,[status(thm)],[12364,12520]) ).

thf(12632,plain,
    ( ( k1_xboole_0 @ ( sk104 @ sk9 @ k1_tarski @ sk10 ) )
    = sk104 ),
    inference(pattern_uni,[status(thm)],[12631:[bind(A,$thf( sk104 )),bind(B,$thf( sk104 @ sk9 @ k1_tarski ))]]) ).

thf(13389,plain,
    ( ( k1_xboole_0 @ ( sk104 @ k3_tarski @ k1_tarski @ sk10 ) )
    = sk104 ),
    inference(rewrite,[status(thm)],[12632,12686]) ).

thf(13404,plain,
    ( ( ( sk104 @ k3_tarski @ k1_tarski )
     != ( sk104 @ k3_tarski @ k1_tarski ) )
    | ( ( k1_xboole_0 @ ( sk104 @ sk10 ) )
      = sk104 ) ),
    inference(paramod_ordered,[status(thm)],[12885,13389]) ).

thf(13405,plain,
    ( ( k1_xboole_0 @ ( sk104 @ sk10 ) )
    = sk104 ),
    inference(pattern_uni,[status(thm)],[13404:[]]) ).

thf(81,axiom,
    ! [A: $i] :
      ( ( A @ ( k1_xboole_0 @ k4_xboole_0 ) )
      = k1_xboole_0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t4_boole) ).

thf(1247,plain,
    ! [A: $i] :
      ( ( A @ ( k1_xboole_0 @ k4_xboole_0 ) )
      = k1_xboole_0 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(1248,plain,
    ! [A: $i] :
      ( ( A @ ( k1_xboole_0 @ k4_xboole_0 ) )
      = k1_xboole_0 ),
    inference(cnf,[status(esa)],[1247]) ).

thf(1249,plain,
    ! [A: $i] :
      ( ( A @ ( k1_xboole_0 @ k4_xboole_0 ) )
      = k1_xboole_0 ),
    inference(lifteq,[status(thm)],[1248]) ).

thf(12525,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( k1_xboole_0 @ k4_xboole_0 ) )
       != ( C @ ( B @ k4_xboole_0 ) ) )
      | ( ( k1_xboole_0 @ ( C @ sk10 ) )
        = B ) ),
    inference(paramod_ordered,[status(thm)],[1249,12520]) ).

thf(12526,plain,
    ! [A: $i] :
      ( ( k1_xboole_0 @ ( A @ sk10 ) )
      = k1_xboole_0 ),
    inference(pattern_uni,[status(thm)],[12525:[bind(A,$thf( A )),bind(B,$thf( k1_xboole_0 )),bind(C,$thf( A ))]]) ).

thf(19293,plain,
    sk104 = k1_xboole_0,
    inference(rewrite,[status(thm)],[13405,12526]) ).

thf(20423,plain,
    $false,
    inference(simplifyReflect,[status(thm)],[19293,4691]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LAT334+3 : TPTP v9.3.1. Released v3.4.0.
% 0.00/0.07  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.13/0.40  % Computer : n015.cluster.edu
% 0.13/0.40  % Model    : x86_64 x86_64
% 0.13/0.40  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.40  % Memory   : 8046.5625MB
% 0.13/0.40  % OS       : Linux 6.8.0-71-generic
% 0.13/0.40  % CPULimit : 300
% 0.13/0.40  % WCLimit  : 300
% 0.13/0.40  % DateTime : Fri Sep 25 21:03:46 UTC 2026
% 0.13/0.41  % CPUTime  : 
% 0.13/0.41  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.88/1.00  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 6.41/2.68  % [INFO] 	 Parsing done (1675ms). 
% 6.58/2.70  % [INFO] 	 Running in sequential loop mode. 
% 7.07/3.07  % [INFO] 	 eprover registered as external prover. 
% 7.07/3.08  % [INFO] 	 Scanning for conjecture ... 
% 10.89/4.05  % [INFO] 	 Found a conjecture (or negated_conjecture) and 13674 axioms. Running axiom selection ... 
% 15.08/6.76  % [INFO] 	 Axiom selection finished. Selected 849 axioms (removed 12825 axioms). 
% 16.91/7.32  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 16.91/7.37  % [INFO] 	 Type checking passed. 
% 16.91/7.38  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 99.79/24.14  % [INFO] 	 Killing All external provers ... 
% 99.79/24.15  % Time passed: 23589ms (effective reasoning time: 21438ms)
% 99.79/24.15  % Axioms used in derivation (8): fc4_relat_1, t6_boole, t31_zfmisc_1, rc1_realset1, t4_boole, t32_xboole_1, t6_realset1, t66_zfmisc_1
% 99.79/24.15  % No. of inferences in proof: 64
% 99.79/24.15  % SZS status ContradictoryAxioms for /export/starexec/sandbox/benchmark/theBenchmark.p : 23589 ms resp. 21438 ms w/o parsing
% 79.20/24.20  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 79.20/24.20  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------