TSTP Solution File: ROB021-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : ROB021-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n023.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 14:08:28 EDT 2023

% Result   : Unsatisfiable 3.88s 1.19s
% Output   : CNFRefutation 3.88s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   10 (   8 unt;   0 nHn;   4 RR)
%            Number of literals    :   12 (  11 equ;   4 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   16 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,plain,
    ( negate(X0) != negate(X1)
    | X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',negative_equality_implies_positive_equality) ).

cnf(c_50,negated_conjecture,
    add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))) != b,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_huntingtons_axiom) ).

cnf(c_51,plain,
    add(X0,X1) = add(X1,X0),
    file('/export/starexec/sandbox/benchmark/Axioms/ROB001-0.ax',commutativity_of_add) ).

cnf(c_52,plain,
    add(add(X0,X1),X2) = add(X0,add(X1,X2)),
    file('/export/starexec/sandbox/benchmark/Axioms/ROB001-0.ax',associativity_of_add) ).

cnf(c_53,plain,
    negate(add(negate(add(X0,X1)),negate(add(X0,negate(X1))))) = X0,
    file('/export/starexec/sandbox/benchmark/Axioms/ROB001-0.ax',robbins_axiom) ).

cnf(c_58,negated_conjecture,
    add(negate(add(a,negate(b))),negate(add(negate(b),negate(a)))) != b,
    inference(theory_normalisation,[status(thm)],[c_50,c_52,c_51]) ).

cnf(c_151,plain,
    ( negate(X0) != X1
    | add(negate(add(X1,X2)),negate(add(X1,negate(X2)))) = X0 ),
    inference(superposition,[status(thm)],[c_53,c_49]) ).

cnf(c_648,plain,
    add(negate(add(negate(X0),X1)),negate(add(negate(X0),negate(X1)))) = X0,
    inference(equality_resolution,[status(thm)],[c_151]) ).

cnf(c_678,plain,
    add(negate(add(X0,negate(X1))),negate(add(negate(X1),negate(X0)))) = X1,
    inference(superposition,[status(thm)],[c_51,c_648]) ).

cnf(c_755,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_58,c_678]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.14  % Problem  : ROB021-1 : TPTP v8.1.2. Released v1.0.0.
% 0.13/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.36  % Computer : n023.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 300
% 0.14/0.36  % DateTime : Mon Aug 28 07:10:26 EDT 2023
% 0.14/0.36  % CPUTime  : 
% 0.21/0.51  Running first-order theorem proving
% 0.21/0.51  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 3.88/1.19  % SZS status Started for theBenchmark.p
% 3.88/1.19  % SZS status Unsatisfiable for theBenchmark.p
% 3.88/1.19  
% 3.88/1.19  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.88/1.19  
% 3.88/1.19  ------  iProver source info
% 3.88/1.19  
% 3.88/1.19  git: date: 2023-05-31 18:12:56 +0000
% 3.88/1.19  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.88/1.19  git: non_committed_changes: false
% 3.88/1.19  git: last_make_outside_of_git: false
% 3.88/1.19  
% 3.88/1.19  ------ Parsing...successful
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  ------ Preprocessing... sup_sim: 0  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 3.88/1.19  
% 3.88/1.19  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.88/1.19  
% 3.88/1.19  ------ Preprocessing... sf_s  rm: 0 0s  sf_e 
% 3.88/1.19  ------ Proving...
% 3.88/1.19  ------ Problem Properties 
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  clauses                                 5
% 3.88/1.19  conjectures                             1
% 3.88/1.19  EPR                                     0
% 3.88/1.19  Horn                                    5
% 3.88/1.19  unary                                   4
% 3.88/1.19  binary                                  1
% 3.88/1.19  lits                                    6
% 3.88/1.19  lits eq                                 6
% 3.88/1.19  fd_pure                                 0
% 3.88/1.19  fd_pseudo                               0
% 3.88/1.19  fd_cond                                 0
% 3.88/1.19  fd_pseudo_cond                          1
% 3.88/1.19  AC symbols                              1
% 3.88/1.19  
% 3.88/1.19  ------ Schedule dynamic 5 is on 
% 3.88/1.19  
% 3.88/1.19  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  ------ 
% 3.88/1.19  Current options:
% 3.88/1.19  ------ 
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  ------ Proving...
% 3.88/1.19  
% 3.88/1.19  
% 3.88/1.19  % SZS status Unsatisfiable for theBenchmark.p
% 3.88/1.19  
% 3.88/1.19  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.88/1.19  
% 3.88/1.19  
%------------------------------------------------------------------------------