TSTP Solution File: LCL013-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL013-1 : TPTP v8.1.2. Released v1.0.0.
% 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 : Thu Aug 31 07:42:02 EDT 2023

% Result   : Unsatisfiable 1.58s 1.17s
% Output   : CNFRefutation 1.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    8 (   4 unt;   0 nHn;   5 RR)
%            Number of literals    :   14 (   0 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   17 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,plain,
    ( ~ is_a_theorem(equivalent(X0,X1))
    | ~ is_a_theorem(X0)
    | is_a_theorem(X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).

cnf(c_50,plain,
    is_a_theorem(equivalent(X0,equivalent(equivalent(X1,equivalent(X0,X2)),equivalent(X2,X1)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',xgf) ).

cnf(c_51,negated_conjecture,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(b,equivalent(c,a)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_um) ).

cnf(c_97,plain,
    ( ~ is_a_theorem(X0)
    | is_a_theorem(equivalent(equivalent(X1,equivalent(X0,X2)),equivalent(X2,X1))) ),
    inference(superposition,[status(thm)],[c_50,c_49]) ).

cnf(c_129,plain,
    ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
    | ~ is_a_theorem(X1)
    | is_a_theorem(equivalent(X2,X0)) ),
    inference(superposition,[status(thm)],[c_97,c_49]) ).

cnf(c_160,plain,
    ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
    | is_a_theorem(equivalent(equivalent(X2,X0),X1)) ),
    inference(superposition,[status(thm)],[c_50,c_129]) ).

cnf(c_215,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X0,X1),X2),equivalent(X1,equivalent(X2,X0)))),
    inference(superposition,[status(thm)],[c_50,c_160]) ).

cnf(c_219,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_51,c_215]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL013-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n008.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  : 300
% 0.13/0.35  % DateTime : Fri Aug 25 02:01:03 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.21/0.47  Running first-order theorem proving
% 0.21/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.58/1.17  % SZS status Started for theBenchmark.p
% 1.58/1.17  % SZS status Unsatisfiable for theBenchmark.p
% 1.58/1.17  
% 1.58/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.58/1.17  
% 1.58/1.17  ------  iProver source info
% 1.58/1.17  
% 1.58/1.17  git: date: 2023-05-31 18:12:56 +0000
% 1.58/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.58/1.17  git: non_committed_changes: false
% 1.58/1.17  git: last_make_outside_of_git: false
% 1.58/1.17  
% 1.58/1.17  ------ Parsing...successful
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.58/1.17  
% 1.58/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.58/1.17  ------ Proving...
% 1.58/1.17  ------ Problem Properties 
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  clauses                                 3
% 1.58/1.17  conjectures                             1
% 1.58/1.17  EPR                                     0
% 1.58/1.17  Horn                                    3
% 1.58/1.17  unary                                   2
% 1.58/1.17  binary                                  0
% 1.58/1.17  lits                                    5
% 1.58/1.17  lits eq                                 0
% 1.58/1.17  fd_pure                                 0
% 1.58/1.17  fd_pseudo                               0
% 1.58/1.17  fd_cond                                 0
% 1.58/1.17  fd_pseudo_cond                          0
% 1.58/1.17  AC symbols                              0
% 1.58/1.17  
% 1.58/1.17  ------ Schedule dynamic 5 is on 
% 1.58/1.17  
% 1.58/1.17  ------ no equalities: superposition off 
% 1.58/1.17  
% 1.58/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  ------ 
% 1.58/1.17  Current options:
% 1.58/1.17  ------ 
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  ------ Proving...
% 1.58/1.17  
% 1.58/1.17  
% 1.58/1.17  % SZS status Unsatisfiable for theBenchmark.p
% 1.58/1.17  
% 1.58/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.58/1.17  
% 1.58/1.17  
%------------------------------------------------------------------------------