TSTP Solution File: LCL066-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL066-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n015.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 07:42:17 EDT 2023

% Result   : Unsatisfiable 4.26s 1.84s
% Output   : CNFRefutation 4.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   15 (   7 unt;   0 nHn;   8 RR)
%            Number of literals    :   27 (   0 equ;  13 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;   2 con; 0-2 aty)
%            Number of variables   :   34 (   5 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,plain,
    ( ~ is_a_theorem(implies(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(implies(X0,implies(X1,X0))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_18) ).

cnf(c_51,plain,
    is_a_theorem(implies(implies(X0,implies(X1,X2)),implies(implies(X0,X1),implies(X0,X2)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_35) ).

cnf(c_52,plain,
    is_a_theorem(implies(implies(not(X0),not(X1)),implies(X1,X0))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_49) ).

cnf(c_53,negated_conjecture,
    ~ is_a_theorem(implies(a,implies(not(a),b))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_cn_3) ).

cnf(c_74,plain,
    ( ~ is_a_theorem(X0)
    | is_a_theorem(implies(X1,X0)) ),
    inference(superposition,[status(thm)],[c_50,c_49]) ).

cnf(c_78,plain,
    ( ~ is_a_theorem(implies(X0,implies(X1,X2)))
    | is_a_theorem(implies(implies(X0,X1),implies(X0,X2))) ),
    inference(superposition,[status(thm)],[c_51,c_49]) ).

cnf(c_96,plain,
    ( ~ is_a_theorem(implies(X0,implies(X1,X2)))
    | ~ is_a_theorem(implies(X0,X1))
    | is_a_theorem(implies(X0,X2)) ),
    inference(superposition,[status(thm)],[c_78,c_49]) ).

cnf(c_128,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | ~ is_a_theorem(implies(X2,X0))
    | is_a_theorem(implies(X2,X1)) ),
    inference(superposition,[status(thm)],[c_74,c_96]) ).

cnf(c_183,plain,
    ( ~ is_a_theorem(implies(X0,implies(not(X1),not(X2))))
    | is_a_theorem(implies(X0,implies(X2,X1))) ),
    inference(superposition,[status(thm)],[c_52,c_128]) ).

cnf(c_185,plain,
    ( ~ is_a_theorem(implies(X0,implies(X1,X2)))
    | ~ is_a_theorem(implies(X3,implies(X0,X1)))
    | is_a_theorem(implies(X3,implies(X0,X2))) ),
    inference(superposition,[status(thm)],[c_78,c_128]) ).

cnf(c_312,plain,
    is_a_theorem(implies(not(X0),implies(X0,X1))),
    inference(superposition,[status(thm)],[c_50,c_183]) ).

cnf(c_840,plain,
    ( ~ is_a_theorem(implies(X0,implies(not(X1),X1)))
    | is_a_theorem(implies(X0,implies(not(X1),X2))) ),
    inference(superposition,[status(thm)],[c_312,c_185]) ).

cnf(c_9507,plain,
    is_a_theorem(implies(X0,implies(not(X0),X1))),
    inference(superposition,[status(thm)],[c_50,c_840]) ).

cnf(c_9560,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_53,c_9507]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL066-1 : TPTP v8.1.2. Released v1.0.0.
% 0.13/0.20  % Command  : run_iprover %s %d THM
% 0.13/0.44  % Computer : n015.cluster.edu
% 0.13/0.44  % Model    : x86_64 x86_64
% 0.13/0.44  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.44  % Memory   : 8042.1875MB
% 0.13/0.44  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.44  % CPULimit : 300
% 0.13/0.44  % WCLimit  : 300
% 0.13/0.44  % DateTime : Thu Aug 24 17:43:51 EDT 2023
% 0.13/0.44  % CPUTime  : 
% 0.21/0.56  Running first-order theorem proving
% 0.21/0.56  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 4.26/1.84  % SZS status Started for theBenchmark.p
% 4.26/1.84  % SZS status Unsatisfiable for theBenchmark.p
% 4.26/1.84  
% 4.26/1.84  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 4.26/1.84  
% 4.26/1.84  ------  iProver source info
% 4.26/1.84  
% 4.26/1.84  git: date: 2023-05-31 18:12:56 +0000
% 4.26/1.84  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 4.26/1.84  git: non_committed_changes: false
% 4.26/1.84  git: last_make_outside_of_git: false
% 4.26/1.84  
% 4.26/1.84  ------ Parsing...successful
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 4.26/1.84  
% 4.26/1.84  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 4.26/1.84  ------ Proving...
% 4.26/1.84  ------ Problem Properties 
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  clauses                                 5
% 4.26/1.84  conjectures                             1
% 4.26/1.84  EPR                                     0
% 4.26/1.84  Horn                                    5
% 4.26/1.84  unary                                   4
% 4.26/1.84  binary                                  0
% 4.26/1.84  lits                                    7
% 4.26/1.84  lits eq                                 0
% 4.26/1.84  fd_pure                                 0
% 4.26/1.84  fd_pseudo                               0
% 4.26/1.84  fd_cond                                 0
% 4.26/1.84  fd_pseudo_cond                          0
% 4.26/1.84  AC symbols                              0
% 4.26/1.84  
% 4.26/1.84  ------ Input Options Time Limit: Unbounded
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  ------ 
% 4.26/1.84  Current options:
% 4.26/1.84  ------ 
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  ------ Proving...
% 4.26/1.84  
% 4.26/1.84  
% 4.26/1.84  % SZS status Unsatisfiable for theBenchmark.p
% 4.26/1.84  
% 4.26/1.84  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 4.26/1.84  
% 4.26/1.84  
%------------------------------------------------------------------------------