TSTP Solution File: SWC397-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SWC397-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n026.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  : 300s
% DateTime : Thu Aug 31 20:43:06 EDT 2023

% Result   : Unsatisfiable 4.19s 1.18s
% Output   : CNFRefutation 4.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   22
%            Number of leaves      :   19
% Syntax   : Number of clauses     :   72 (  12 unt;  44 nHn;  72 RR)
%            Number of literals    :  320 (  83 equ; 188 neg)
%            Maximal clause size   :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   8 con; 0-2 aty)
%            Number of variables   :   52 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_50,negated_conjecture,
    ssList(sk2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_2) ).

cnf(c_53,negated_conjecture,
    sk2 = sk4,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).

cnf(c_54,negated_conjecture,
    sk1 = sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).

cnf(c_55,negated_conjecture,
    ssItem(sk5),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

cnf(c_56,negated_conjecture,
    memberP(sk1,sk5),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

cnf(c_57,negated_conjecture,
    ~ memberP(sk2,sk5),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

cnf(c_58,negated_conjecture,
    ( sk4 != nil
    | sk3 = nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).

cnf(c_59,negated_conjecture,
    ( ~ neq(sk4,nil)
    | ssItem(sk6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).

cnf(c_60,negated_conjecture,
    ( ~ neq(sk4,nil)
    | ssList(sk7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).

cnf(c_61,negated_conjecture,
    ( ~ neq(sk4,nil)
    | app(cons(sk6,nil),sk7) = sk3 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).

cnf(c_62,negated_conjecture,
    ( ~ neq(sk4,nil)
    | app(sk7,cons(sk6,nil)) = sk4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

cnf(c_70,plain,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).

cnf(c_133,plain,
    ( ~ memberP(nil,X0)
    | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause71) ).

cnf(c_148,plain,
    ( ~ ssList(X0)
    | ~ ssItem(X1)
    | ssList(cons(X1,X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause86) ).

cnf(c_162,plain,
    ( ~ ssList(X0)
    | ~ ssList(X1)
    | X0 = X1
    | neq(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause100) ).

cnf(c_202,plain,
    ( ~ memberP(X0,X1)
    | ~ ssList(X0)
    | ~ ssList(X2)
    | ~ ssItem(X1)
    | memberP(app(X0,X2),X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause140) ).

cnf(c_203,plain,
    ( ~ memberP(X0,X1)
    | ~ ssList(X0)
    | ~ ssList(X2)
    | ~ ssItem(X1)
    | memberP(app(X2,X0),X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause141) ).

cnf(c_220,plain,
    ( ~ memberP(app(X0,X1),X2)
    | ~ ssList(X0)
    | ~ ssList(X1)
    | ~ ssItem(X2)
    | memberP(X0,X2)
    | memberP(X1,X2) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause158) ).

cnf(c_223,plain,
    ( ~ memberP(cons(X0,X1),X2)
    | ~ ssList(X1)
    | ~ ssItem(X0)
    | ~ ssItem(X2)
    | X0 = X2
    | memberP(X1,X2) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause161) ).

cnf(c_1566,plain,
    ( ~ neq(sk2,nil)
    | ssList(sk7) ),
    inference(light_normalisation,[status(thm)],[c_60,c_53]) ).

cnf(c_1571,plain,
    ( ~ neq(sk2,nil)
    | ssItem(sk6) ),
    inference(light_normalisation,[status(thm)],[c_59,c_53]) ).

cnf(c_1634,plain,
    ( sk2 != nil
    | sk1 = nil ),
    inference(light_normalisation,[status(thm)],[c_58,c_53,c_54]) ).

cnf(c_1759,plain,
    ( ~ neq(sk2,nil)
    | app(sk7,cons(sk6,nil)) = sk2 ),
    inference(light_normalisation,[status(thm)],[c_62,c_53]) ).

cnf(c_1764,plain,
    ( ~ neq(sk2,nil)
    | app(cons(sk6,nil),sk7) = sk1 ),
    inference(light_normalisation,[status(thm)],[c_61,c_53,c_54]) ).

cnf(c_3479,plain,
    ( X0 != nil
    | X1 != sk2
    | ~ ssList(X0)
    | ~ ssList(X1)
    | app(cons(sk6,nil),sk7) = sk1
    | X0 = X1 ),
    inference(resolution_lifted,[status(thm)],[c_162,c_1764]) ).

cnf(c_3480,plain,
    ( ~ ssList(sk2)
    | ~ ssList(nil)
    | app(cons(sk6,nil),sk7) = sk1
    | nil = sk2 ),
    inference(unflattening,[status(thm)],[c_3479]) ).

cnf(c_3481,plain,
    ( app(cons(sk6,nil),sk7) = sk1
    | nil = sk2 ),
    inference(global_subsumption_just,[status(thm)],[c_3480,c_50,c_70,c_3480]) ).

cnf(c_3489,plain,
    ( X0 != nil
    | X1 != sk2
    | ~ ssList(X0)
    | ~ ssList(X1)
    | app(sk7,cons(sk6,nil)) = sk2
    | X0 = X1 ),
    inference(resolution_lifted,[status(thm)],[c_162,c_1759]) ).

cnf(c_3490,plain,
    ( ~ ssList(sk2)
    | ~ ssList(nil)
    | app(sk7,cons(sk6,nil)) = sk2
    | nil = sk2 ),
    inference(unflattening,[status(thm)],[c_3489]) ).

cnf(c_3491,plain,
    ( app(sk7,cons(sk6,nil)) = sk2
    | nil = sk2 ),
    inference(global_subsumption_just,[status(thm)],[c_3490,c_50,c_70,c_3490]) ).

cnf(c_3499,plain,
    ( X0 != nil
    | X1 != sk2
    | ~ ssList(X0)
    | ~ ssList(X1)
    | X0 = X1
    | ssItem(sk6) ),
    inference(resolution_lifted,[status(thm)],[c_162,c_1571]) ).

cnf(c_3500,plain,
    ( ~ ssList(sk2)
    | ~ ssList(nil)
    | nil = sk2
    | ssItem(sk6) ),
    inference(unflattening,[status(thm)],[c_3499]) ).

cnf(c_3501,plain,
    ( nil = sk2
    | ssItem(sk6) ),
    inference(global_subsumption_just,[status(thm)],[c_3500,c_50,c_70,c_3500]) ).

cnf(c_3509,plain,
    ( X0 != nil
    | X1 != sk2
    | ~ ssList(X0)
    | ~ ssList(X1)
    | X0 = X1
    | ssList(sk7) ),
    inference(resolution_lifted,[status(thm)],[c_162,c_1566]) ).

cnf(c_3510,plain,
    ( ~ ssList(sk2)
    | ~ ssList(nil)
    | nil = sk2
    | ssList(sk7) ),
    inference(unflattening,[status(thm)],[c_3509]) ).

cnf(c_3511,plain,
    ( nil = sk2
    | ssList(sk7) ),
    inference(global_subsumption_just,[status(thm)],[c_3510,c_50,c_70,c_3510]) ).

cnf(c_9036,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk7,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk1,X0) ),
    inference(superposition,[status(thm)],[c_3481,c_203]) ).

cnf(c_9074,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(cons(sk6,nil),X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_3481,c_220]) ).

cnf(c_9142,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(nil)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(nil,X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_9074,c_223]) ).

cnf(c_9165,plain,
    ( sk2 = nil
    | X0 = sk6
    | ~ ssItem(sk6)
    | ~ ssList(sk7)
    | ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | memberP(sk7,X0) ),
    inference(global_subsumption_just,[status(thm)],[c_9142,c_70,c_133,c_9142]) ).

cnf(c_9166,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(sk7,X0) ),
    inference(renaming,[status(thm)],[c_9165]) ).

cnf(c_9251,plain,
    ( ~ memberP(cons(sk6,nil),X0)
    | ~ ssList(cons(sk6,nil))
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk2,X0) ),
    inference(superposition,[status(thm)],[c_3491,c_203]) ).

cnf(c_9263,plain,
    ( ~ memberP(cons(sk6,nil),X0)
    | ~ ssList(cons(sk6,nil))
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk1,X0) ),
    inference(superposition,[status(thm)],[c_3481,c_202]) ).

cnf(c_9264,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk7,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk2,X0) ),
    inference(superposition,[status(thm)],[c_3491,c_202]) ).

cnf(c_9290,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(cons(sk6,nil),X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_3481,c_220]) ).

cnf(c_9291,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(cons(sk6,nil),X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_3491,c_220]) ).

cnf(c_9415,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(nil)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(nil,X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_9291,c_223]) ).

cnf(c_9416,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk1,X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_9291,c_9263]) ).

cnf(c_9434,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(nil)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(nil,X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_9290,c_223]) ).

cnf(c_9436,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk2,X0)
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_9290,c_9251]) ).

cnf(c_9512,plain,
    ( memberP(sk1,X0)
    | sk2 = nil
    | ~ ssList(sk7)
    | ~ ssItem(X0)
    | ~ memberP(sk2,X0)
    | ~ ssList(cons(sk6,nil)) ),
    inference(global_subsumption_just,[status(thm)],[c_9416,c_9036,c_9416]) ).

cnf(c_9513,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk1,X0) ),
    inference(renaming,[status(thm)],[c_9512]) ).

cnf(c_9527,plain,
    ( ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(nil)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | sk2 = nil
    | memberP(sk1,X0) ),
    inference(superposition,[status(thm)],[c_148,c_9513]) ).

cnf(c_9529,plain,
    ( sk2 = nil
    | X0 = sk6
    | ~ ssItem(sk6)
    | ~ ssList(sk7)
    | ~ ssList(cons(sk6,nil))
    | ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | memberP(sk7,X0) ),
    inference(global_subsumption_just,[status(thm)],[c_9415,c_70,c_9166,c_9527]) ).

cnf(c_9530,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(sk7,X0) ),
    inference(renaming,[status(thm)],[c_9529]) ).

cnf(c_9548,plain,
    ( ~ memberP(sk2,X0)
    | ~ ssItem(X0)
    | ~ ssList(nil)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(sk7,X0) ),
    inference(superposition,[status(thm)],[c_148,c_9530]) ).

cnf(c_9550,plain,
    ( memberP(sk2,X0)
    | sk2 = nil
    | ~ ssList(sk7)
    | ~ ssItem(X0)
    | ~ memberP(sk1,X0)
    | ~ ssList(cons(sk6,nil)) ),
    inference(global_subsumption_just,[status(thm)],[c_9436,c_9264,c_9436]) ).

cnf(c_9551,plain,
    ( ~ ssList(cons(sk6,nil))
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | sk2 = nil
    | memberP(sk2,X0) ),
    inference(renaming,[status(thm)],[c_9550]) ).

cnf(c_9565,plain,
    ( ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(nil)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | sk2 = nil
    | memberP(sk2,X0) ),
    inference(superposition,[status(thm)],[c_148,c_9551]) ).

cnf(c_9567,plain,
    ( sk2 = nil
    | X0 = sk6
    | ~ ssItem(sk6)
    | ~ ssList(sk7)
    | ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | memberP(sk7,X0) ),
    inference(global_subsumption_just,[status(thm)],[c_9434,c_70,c_9548,c_9565]) ).

cnf(c_9568,plain,
    ( ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | X0 = sk6
    | sk2 = nil
    | memberP(sk7,X0) ),
    inference(renaming,[status(thm)],[c_9567]) ).

cnf(c_9584,plain,
    ( ~ ssList(sk7)
    | ~ ssItem(sk5)
    | ~ ssItem(sk6)
    | sk2 = nil
    | sk5 = sk6
    | memberP(sk7,sk5) ),
    inference(superposition,[status(thm)],[c_56,c_9568]) ).

cnf(c_9690,plain,
    ( ~ ssItem(X0)
    | ~ memberP(sk1,X0)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | sk2 = nil
    | memberP(sk2,X0) ),
    inference(global_subsumption_just,[status(thm)],[c_9565,c_70,c_9565]) ).

cnf(c_9691,plain,
    ( ~ memberP(sk1,X0)
    | ~ ssItem(X0)
    | ~ ssList(sk7)
    | ~ ssItem(sk6)
    | sk2 = nil
    | memberP(sk2,X0) ),
    inference(renaming,[status(thm)],[c_9690]) ).

cnf(c_9705,plain,
    ( ~ ssList(sk7)
    | ~ ssItem(sk5)
    | ~ ssItem(sk6)
    | sk2 = nil
    | memberP(sk2,sk5) ),
    inference(superposition,[status(thm)],[c_56,c_9691]) ).

cnf(c_9719,plain,
    ( ~ ssList(sk7)
    | ~ ssItem(sk6)
    | sk2 = nil ),
    inference(global_subsumption_just,[status(thm)],[c_9584,c_55,c_57,c_9705]) ).

cnf(c_9727,plain,
    ( ~ ssList(sk7)
    | sk2 = nil ),
    inference(superposition,[status(thm)],[c_3501,c_9719]) ).

cnf(c_9734,plain,
    sk2 = nil,
    inference(superposition,[status(thm)],[c_3511,c_9727]) ).

cnf(c_9735,plain,
    sk1 = nil,
    inference(backward_subsumption_resolution,[status(thm)],[c_1634,c_9734]) ).

cnf(c_9745,plain,
    sk1 = sk2,
    inference(light_normalisation,[status(thm)],[c_9734,c_9735]) ).

cnf(c_9746,plain,
    ~ memberP(sk1,sk5),
    inference(superposition,[status(thm)],[c_9745,c_57]) ).

cnf(c_9748,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_56,c_9746]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SWC397-1 : TPTP v8.1.2. Released v2.4.0.
% 0.00/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n026.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Mon Aug 28 16:52:05 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.20/0.48  Running first-order theorem proving
% 0.20/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 4.19/1.18  % SZS status Started for theBenchmark.p
% 4.19/1.18  % SZS status Unsatisfiable for theBenchmark.p
% 4.19/1.18  
% 4.19/1.18  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 4.19/1.18  
% 4.19/1.18  ------  iProver source info
% 4.19/1.18  
% 4.19/1.18  git: date: 2023-05-31 18:12:56 +0000
% 4.19/1.18  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 4.19/1.18  git: non_committed_changes: false
% 4.19/1.18  git: last_make_outside_of_git: false
% 4.19/1.18  
% 4.19/1.18  ------ Parsing...successful
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  ------ Preprocessing... sup_sim: 9  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 4.19/1.18  
% 4.19/1.18  ------ Preprocessing... gs_s  sp: 2 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 4.19/1.18  
% 4.19/1.18  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 4.19/1.18  ------ Proving...
% 4.19/1.18  ------ Problem Properties 
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  clauses                                 189
% 4.19/1.18  conjectures                             7
% 4.19/1.18  EPR                                     62
% 4.19/1.18  Horn                                    157
% 4.19/1.18  unary                                   65
% 4.19/1.18  binary                                  26
% 4.19/1.18  lits                                    558
% 4.19/1.18  lits eq                                 79
% 4.19/1.18  fd_pure                                 0
% 4.19/1.18  fd_pseudo                               0
% 4.19/1.18  fd_cond                                 15
% 4.19/1.18  fd_pseudo_cond                          14
% 4.19/1.18  AC symbols                              0
% 4.19/1.18  
% 4.19/1.18  ------ Input Options Time Limit: Unbounded
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  ------ 
% 4.19/1.18  Current options:
% 4.19/1.18  ------ 
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  ------ Proving...
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  ------ Proving...
% 4.19/1.18  
% 4.19/1.18  
% 4.19/1.18  % SZS status Unsatisfiable for theBenchmark.p
% 4.19/1.18  
% 4.19/1.18  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 4.19/1.18  
% 4.19/1.19  
%------------------------------------------------------------------------------