TSTP Solution File: LCL117-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL117-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n029.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 07:42:36 EDT 2023

% Result   : Unsatisfiable 1.72s 1.19s
% Output   : CNFRefutation 1.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    9 (   5 unt;   0 nHn;   5 RR)
%            Number of literals    :   15 (   0 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   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   :   20 (   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(equivalent(X0,X1),equivalent(equivalent(X2,X1),equivalent(X2,X0)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',yqm) ).

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

cnf(c_117,plain,
    ( ~ is_a_theorem(equivalent(X0,X1))
    | is_a_theorem(equivalent(equivalent(X2,X1),equivalent(X2,X0))) ),
    inference(superposition,[status(thm)],[c_50,c_49]) ).

cnf(c_128,plain,
    ( ~ is_a_theorem(equivalent(X0,X1))
    | ~ is_a_theorem(equivalent(X2,X1))
    | is_a_theorem(equivalent(X2,X0)) ),
    inference(superposition,[status(thm)],[c_117,c_49]) ).

cnf(c_163,plain,
    ( ~ is_a_theorem(equivalent(X0,equivalent(equivalent(X1,X2),equivalent(X1,X3))))
    | is_a_theorem(equivalent(X0,equivalent(X3,X2))) ),
    inference(superposition,[status(thm)],[c_50,c_128]) ).

cnf(c_219,plain,
    is_a_theorem(equivalent(equivalent(X0,X1),equivalent(X0,X1))),
    inference(superposition,[status(thm)],[c_50,c_163]) ).

cnf(c_270,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X0,X1),equivalent(X0,X2)),equivalent(X2,X1))),
    inference(superposition,[status(thm)],[c_219,c_163]) ).

cnf(c_271,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_51,c_270]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : LCL117-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.14  % Command  : run_iprover %s %d THM
% 0.18/0.35  % Computer : n029.cluster.edu
% 0.18/0.35  % Model    : x86_64 x86_64
% 0.18/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.35  % Memory   : 8042.1875MB
% 0.18/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.18/0.35  % CPULimit : 300
% 0.18/0.35  % WCLimit  : 300
% 0.18/0.35  % DateTime : Fri Aug 25 07:31:54 EDT 2023
% 0.18/0.35  % 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
% 1.72/1.19  % SZS status Started for theBenchmark.p
% 1.72/1.19  % SZS status Unsatisfiable for theBenchmark.p
% 1.72/1.19  
% 1.72/1.19  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.72/1.19  
% 1.72/1.19  ------  iProver source info
% 1.72/1.19  
% 1.72/1.19  git: date: 2023-05-31 18:12:56 +0000
% 1.72/1.19  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.72/1.19  git: non_committed_changes: false
% 1.72/1.19  git: last_make_outside_of_git: false
% 1.72/1.19  
% 1.72/1.19  ------ Parsing...successful
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.72/1.19  
% 1.72/1.19  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.72/1.19  ------ Proving...
% 1.72/1.19  ------ Problem Properties 
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  clauses                                 3
% 1.72/1.19  conjectures                             1
% 1.72/1.19  EPR                                     0
% 1.72/1.19  Horn                                    3
% 1.72/1.19  unary                                   2
% 1.72/1.19  binary                                  0
% 1.72/1.19  lits                                    5
% 1.72/1.19  lits eq                                 0
% 1.72/1.19  fd_pure                                 0
% 1.72/1.19  fd_pseudo                               0
% 1.72/1.19  fd_cond                                 0
% 1.72/1.19  fd_pseudo_cond                          0
% 1.72/1.19  AC symbols                              0
% 1.72/1.19  
% 1.72/1.19  ------ Schedule dynamic 5 is on 
% 1.72/1.19  
% 1.72/1.19  ------ no equalities: superposition off 
% 1.72/1.19  
% 1.72/1.19  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  ------ 
% 1.72/1.19  Current options:
% 1.72/1.19  ------ 
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  ------ Proving...
% 1.72/1.19  
% 1.72/1.19  
% 1.72/1.19  % SZS status Unsatisfiable for theBenchmark.p
% 1.72/1.19  
% 1.72/1.19  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.72/1.19  
% 1.72/1.19  
%------------------------------------------------------------------------------