TSTP Solution File: NUM009-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : NUM009-1 : TPTP v8.1.2. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n031.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 11:28:17 EDT 2023

% Result   : Unsatisfiable 3.86s 1.16s
% Output   : CNFRefutation 3.86s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    9 (   4 unt;   2 nHn;   9 RR)
%            Number of literals    :   16 (   0 equ;   6 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-1 aty)
%            Number of variables   :    4 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,negated_conjecture,
    ~ member(empty_set,natural_numbers),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_zero_is_a_natural) ).

cnf(c_53,plain,
    ( ~ little_set(X0)
    | member(empty_set,f44(X0))
    | member(X0,natural_numbers) ),
    file('/export/starexec/sandbox/benchmark/Axioms/NUM003-0.ax',natural_numbers4) ).

cnf(c_55,plain,
    ( ~ member(X0,f44(X0))
    | member(X0,natural_numbers) ),
    file('/export/starexec/sandbox/benchmark/Axioms/NUM003-0.ax',natural_numbers6) ).

cnf(c_128,plain,
    ( ~ member(X0,X1)
    | little_set(X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',a2) ).

cnf(c_188,plain,
    member(empty_set,infinity),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',infinity2) ).

cnf(c_7501,plain,
    little_set(empty_set),
    inference(superposition,[status(thm)],[c_188,c_128]) ).

cnf(c_8153,plain,
    ( ~ little_set(empty_set)
    | member(empty_set,f44(empty_set))
    | member(empty_set,natural_numbers) ),
    inference(instantiation,[status(thm)],[c_53]) ).

cnf(c_8155,plain,
    ( ~ member(empty_set,f44(empty_set))
    | member(empty_set,natural_numbers) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_8159,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_8153,c_8155,c_7501,c_49]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : NUM009-1 : TPTP v8.1.2. Bugfixed v1.2.1.
% 0.11/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n031.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Fri Aug 25 16:21:22 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 3.86/1.16  % SZS status Started for theBenchmark.p
% 3.86/1.16  % SZS status Unsatisfiable for theBenchmark.p
% 3.86/1.16  
% 3.86/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.86/1.16  
% 3.86/1.16  ------  iProver source info
% 3.86/1.16  
% 3.86/1.16  git: date: 2023-05-31 18:12:56 +0000
% 3.86/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.86/1.16  git: non_committed_changes: false
% 3.86/1.16  git: last_make_outside_of_git: false
% 3.86/1.16  
% 3.86/1.16  ------ Parsing...successful
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  ------ Preprocessing... sup_sim: 21  pe_s  pe:1:0s pe_e 
% 3.86/1.16  
% 3.86/1.16  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  scvd_s sp: 1 0s scvd_e  snvd_s sp: 0 0s snvd_e 
% 3.86/1.16  
% 3.86/1.16  ------ Preprocessing...
% 3.86/1.16  ------ Proving...
% 3.86/1.16  ------ Problem Properties 
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  clauses                                 258
% 3.86/1.16  conjectures                             1
% 3.86/1.16  EPR                                     43
% 3.86/1.16  Horn                                    199
% 3.86/1.16  unary                                   16
% 3.86/1.16  binary                                  156
% 3.86/1.16  lits                                    692
% 3.86/1.16  lits eq                                 59
% 3.86/1.16  fd_pure                                 0
% 3.86/1.16  fd_pseudo                               0
% 3.86/1.16  fd_cond                                 7
% 3.86/1.16  fd_pseudo_cond                          8
% 3.86/1.16  AC symbols                              0
% 3.86/1.16  
% 3.86/1.16  ------ Input Options Time Limit: Unbounded
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  ------ 
% 3.86/1.16  Current options:
% 3.86/1.16  ------ 
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  ------ Proving...
% 3.86/1.16  
% 3.86/1.16  
% 3.86/1.16  % SZS status Unsatisfiable for theBenchmark.p
% 3.86/1.16  
% 3.86/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.86/1.16  
% 3.86/1.16  
%------------------------------------------------------------------------------