%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SWC026-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n008.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 : Fri May  3 03:10:55 EDT 2024

% Result   : Unsatisfiable 1.93s 1.17s
% Output   : CNFRefutation 1.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   21 (   7 unt;   3 nHn;  21 RR)
%            Number of literals    :   35 (  34 equ;  15 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
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,
    ( sk3 != nil
    | sk4 = nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

cnf(c_56,negated_conjecture,
    ( sk4 != nil
    | sk3 = nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

cnf(c_57,negated_conjecture,
    ( sk1 = nil
    | sk2 = nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

cnf(c_60,negated_conjecture,
    ( sk1 != nil
    | sk2 != nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).

cnf(c_392,plain,
    ( sk4 = nil
    | sk3 != nil ),
    inference(prop_impl_just,[status(thm)],[c_55]) ).

cnf(c_393,plain,
    ( sk3 != nil
    | sk4 = nil ),
    inference(renaming,[status(thm)],[c_392]) ).

cnf(c_394,plain,
    ( sk4 != nil
    | sk3 = nil ),
    inference(prop_impl_just,[status(thm)],[c_56]) ).

cnf(c_396,plain,
    ( sk2 != nil
    | sk1 != nil ),
    inference(prop_impl_just,[status(thm)],[c_60]) ).

cnf(c_397,plain,
    ( sk1 != nil
    | sk2 != nil ),
    inference(renaming,[status(thm)],[c_396]) ).

cnf(c_398,plain,
    ( sk2 = nil
    | sk1 = nil ),
    inference(prop_impl_just,[status(thm)],[c_57]) ).

cnf(c_399,plain,
    ( sk1 = nil
    | sk2 = nil ),
    inference(renaming,[status(thm)],[c_398]) ).

cnf(c_1960,plain,
    ( sk2 != nil
    | sk1 = nil ),
    inference(light_normalisation,[status(thm)],[c_394,c_53,c_54]) ).

cnf(c_1963,plain,
    sk1 = nil,
    inference(forward_subsumption_resolution,[status(thm)],[c_1960,c_399]) ).

cnf(c_1964,plain,
    sk3 = nil,
    inference(demodulation,[status(thm)],[c_54,c_1963]) ).

cnf(c_1966,plain,
    ( sk3 != nil
    | sk2 = nil ),
    inference(light_normalisation,[status(thm)],[c_393,c_53]) ).

cnf(c_1967,plain,
    ( nil != nil
    | sk2 = nil ),
    inference(demodulation,[status(thm)],[c_1966,c_1964]) ).

cnf(c_1968,plain,
    sk2 = nil,
    inference(equality_resolution_simp,[status(thm)],[c_1967]) ).

cnf(c_2007,plain,
    nil != nil,
    inference(demodulation,[status(thm)],[c_397,c_1963,c_1968]) ).

cnf(c_2008,plain,
    $false,
    inference(equality_resolution_simp,[status(thm)],[c_2007]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SWC026-1 : TPTP v8.1.2. Released v2.4.0.
% 0.08/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n008.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 : Thu May  2 23:35:27 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.21/0.48  Running first-order theorem proving
% 0.21/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.93/1.17  % SZS status Started for theBenchmark.p
% 1.93/1.17  % SZS status Unsatisfiable for theBenchmark.p
% 1.93/1.17  
% 1.93/1.17  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 1.93/1.17  
% 1.93/1.17  ------  iProver source info
% 1.93/1.17  
% 1.93/1.17  git: date: 2024-05-02 19:28:25 +0000
% 1.93/1.17  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 1.93/1.17  git: non_committed_changes: false
% 1.93/1.17  
% 1.93/1.17  ------ Parsing...successful
% 1.93/1.17  
% 1.93/1.17  
% 1.93/1.17  
% 1.93/1.17  ------ Preprocessing...
% 1.93/1.17  
% 1.93/1.17  % SZS status Unsatisfiable for theBenchmark.p
% 1.93/1.17  
% 1.93/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.93/1.17  
% 1.93/1.17  
%------------------------------------------------------------------------------