TSTP Solution File: NUM027-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : NUM027-1 : TPTP v8.1.2. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n007.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 11:28:23 EDT 2023

% Result   : Unsatisfiable 0.44s 1.13s
% Output   : CNFRefutation 0.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   18 (   6 unt;   5 nHn;  15 RR)
%            Number of literals    :   37 (   0 equ;  19 neg)
%            Maximal clause size   :    3 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   17 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_52,plain,
    ( ~ equalish(X0,X1)
    | equalish(multiply(X0,X2),multiply(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality_preserved_over_times) ).

cnf(c_53,plain,
    ( ~ equalish(X0,X1)
    | ~ less(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_less_and_equal) ).

cnf(c_54,plain,
    ( equalish(X0,X1)
    | less(X0,X1)
    | less(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',numbers_either_less_or_equal) ).

cnf(c_55,plain,
    ~ less(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',number_not_less_than_itself) ).

cnf(c_57,plain,
    ( ~ less(X0,X1)
    | less(multiply(X0,X2),multiply(X1,X2))
    | equalish(X2,n0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiply_lemma) ).

cnf(c_58,plain,
    ~ less(b,a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_not_less_than_a) ).

cnf(c_59,plain,
    less(multiply(b,c),multiply(a,c)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_times_c_less_than_a_times_c) ).

cnf(c_60,negated_conjecture,
    ~ equalish(c,n0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_c_is_0) ).

cnf(c_61,plain,
    ( ~ less(X0,X1)
    | ~ less(X2,X0)
    | less(X2,X1) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/NUM001-1.ax',transitivity_of_less) ).

cnf(c_209,plain,
    ( ~ equalish(multiply(b,c),multiply(a,c))
    | ~ less(multiply(b,c),multiply(a,c)) ),
    inference(instantiation,[status(thm)],[c_53]) ).

cnf(c_239,plain,
    ( ~ less(X0,X1)
    | less(multiply(X0,c),multiply(X1,c))
    | equalish(c,n0) ),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_242,plain,
    ( ~ less(multiply(b,c),multiply(a,c))
    | ~ less(X0,multiply(b,c))
    | less(X0,multiply(a,c)) ),
    inference(instantiation,[status(thm)],[c_61]) ).

cnf(c_277,plain,
    ( ~ equalish(b,a)
    | equalish(multiply(b,c),multiply(a,c)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_295,plain,
    ( ~ less(multiply(b,c),multiply(a,c))
    | ~ less(multiply(a,c),multiply(b,c))
    | less(multiply(a,c),multiply(a,c)) ),
    inference(instantiation,[status(thm)],[c_242]) ).

cnf(c_296,plain,
    ~ less(multiply(a,c),multiply(a,c)),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_468,plain,
    ( equalish(b,a)
    | less(a,b) ),
    inference(superposition,[status(thm)],[c_54,c_58]) ).

cnf(c_2854,plain,
    ( ~ less(a,b)
    | less(multiply(a,c),multiply(b,c))
    | equalish(c,n0) ),
    inference(instantiation,[status(thm)],[c_239]) ).

cnf(c_2858,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_2854,c_468,c_296,c_295,c_277,c_209,c_59,c_60]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : NUM027-1 : TPTP v8.1.2. Bugfixed v4.0.0.
% 0.06/0.12  % Command  : run_iprover %s %d THM
% 0.10/0.32  % Computer : n007.cluster.edu
% 0.10/0.32  % Model    : x86_64 x86_64
% 0.10/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32  % Memory   : 8042.1875MB
% 0.10/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32  % CPULimit : 300
% 0.10/0.32  % WCLimit  : 300
% 0.10/0.32  % DateTime : Fri Aug 25 12:34:26 EDT 2023
% 0.10/0.32  % CPUTime  : 
% 0.18/0.43  Running first-order theorem proving
% 0.18/0.43  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.44/1.13  % SZS status Started for theBenchmark.p
% 0.44/1.13  % SZS status Unsatisfiable for theBenchmark.p
% 0.44/1.13  
% 0.44/1.13  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.44/1.13  
% 0.44/1.13  ------  iProver source info
% 0.44/1.13  
% 0.44/1.13  git: date: 2023-05-31 18:12:56 +0000
% 0.44/1.13  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.44/1.13  git: non_committed_changes: false
% 0.44/1.13  git: last_make_outside_of_git: false
% 0.44/1.13  
% 0.44/1.13  ------ Parsing...successful
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 0.44/1.13  
% 0.44/1.13  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.44/1.13  ------ Proving...
% 0.44/1.13  ------ Problem Properties 
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  clauses                                 21
% 0.44/1.13  conjectures                             1
% 0.44/1.13  EPR                                     9
% 0.44/1.13  Horn                                    19
% 0.44/1.13  unary                                   10
% 0.44/1.13  binary                                  7
% 0.44/1.13  lits                                    36
% 0.44/1.13  lits eq                                 0
% 0.44/1.13  fd_pure                                 0
% 0.44/1.13  fd_pseudo                               0
% 0.44/1.13  fd_cond                                 0
% 0.44/1.13  fd_pseudo_cond                          0
% 0.44/1.13  AC symbols                              0
% 0.44/1.13  
% 0.44/1.13  ------ Schedule dynamic 5 is on 
% 0.44/1.13  
% 0.44/1.13  ------ no equalities: superposition off 
% 0.44/1.13  
% 0.44/1.13  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  ------ 
% 0.44/1.13  Current options:
% 0.44/1.13  ------ 
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  ------ Proving...
% 0.44/1.13  
% 0.44/1.13  
% 0.44/1.13  % SZS status Unsatisfiable for theBenchmark.p
% 0.44/1.13  
% 0.44/1.13  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.44/1.13  
% 0.44/1.13  
%------------------------------------------------------------------------------