TSTP Solution File: GRP127-1.004 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : GRP127-1.004 : TPTP v8.1.2. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n009.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 : Fri May  3 02:21:20 EDT 2024

% Result   : Unsatisfiable 3.14s 1.11s
% Output   : CNFRefutation 3.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   18
% Syntax   : Number of clauses     :   80 (  18 unt;  10 nHn;  79 RR)
%            Number of literals    :  224 (   0 equ; 132 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   78 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,plain,
    group_element(e_1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_1) ).

cnf(c_50,plain,
    group_element(e_2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_2) ).

cnf(c_51,plain,
    group_element(e_3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_3) ).

cnf(c_52,plain,
    group_element(e_4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',element_4) ).

cnf(c_53,plain,
    ~ equalish(e_1,e_2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_1_is_not_e_2) ).

cnf(c_54,plain,
    ~ equalish(e_1,e_3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_1_is_not_e_3) ).

cnf(c_55,plain,
    ~ equalish(e_1,e_4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_1_is_not_e_4) ).

cnf(c_56,plain,
    ~ equalish(e_2,e_1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_2_is_not_e_1) ).

cnf(c_57,plain,
    ~ equalish(e_2,e_3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_2_is_not_e_3) ).

cnf(c_58,plain,
    ~ equalish(e_2,e_4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_2_is_not_e_4) ).

cnf(c_61,plain,
    ~ equalish(e_3,e_4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_3_is_not_e_4) ).

cnf(c_63,plain,
    ~ equalish(e_4,e_2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',e_4_is_not_e_2) ).

cnf(c_65,plain,
    ( ~ group_element(X0)
    | ~ group_element(X1)
    | product(X0,X1,e_1)
    | product(X0,X1,e_2)
    | product(X0,X1,e_3)
    | product(X0,X1,e_4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_total_function1) ).

cnf(c_66,plain,
    ( ~ product(X0,X1,X2)
    | ~ product(X0,X1,X3)
    | equalish(X2,X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_total_function2) ).

cnf(c_67,plain,
    ( ~ product(X0,X1,X2)
    | ~ product(X0,X3,X2)
    | equalish(X1,X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_right_cancellation) ).

cnf(c_68,plain,
    ( ~ product(X0,X1,X2)
    | ~ product(X3,X1,X2)
    | equalish(X0,X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_left_cancellation) ).

cnf(c_69,plain,
    product(X0,X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product_idempotence) ).

cnf(c_70,negated_conjecture,
    ( ~ product(X0,X1,X2)
    | ~ product(X2,X0,X3)
    | product(X3,X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',qg3) ).

cnf(c_71,plain,
    product(e_1,e_1,e_1),
    inference(instantiation,[status(thm)],[c_69]) ).

cnf(c_151,plain,
    ( ~ product(X0,e_1,X1)
    | ~ product(X0,e_2,X1) ),
    inference(resolution,[status(thm)],[c_53,c_67]) ).

cnf(c_152,plain,
    ( ~ product(e_1,e_1,e_1)
    | ~ product(e_1,e_2,e_1) ),
    inference(instantiation,[status(thm)],[c_151]) ).

cnf(c_159,plain,
    ( ~ product(e_1,X0,X1)
    | ~ product(e_2,X0,X1) ),
    inference(resolution,[status(thm)],[c_53,c_68]) ).

cnf(c_160,plain,
    ( ~ product(e_1,e_1,e_1)
    | ~ product(e_2,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_159]) ).

cnf(c_183,plain,
    ( ~ product(e_1,X0,X1)
    | ~ product(e_3,X0,X1) ),
    inference(resolution,[status(thm)],[c_54,c_68]) ).

cnf(c_184,plain,
    ( ~ product(e_1,e_1,e_1)
    | ~ product(e_3,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_183]) ).

cnf(c_199,plain,
    ( ~ product(X0,e_1,X1)
    | ~ product(X0,e_4,X1) ),
    inference(resolution,[status(thm)],[c_55,c_67]) ).

cnf(c_200,plain,
    ( ~ product(e_1,e_1,e_1)
    | ~ product(e_1,e_4,e_1) ),
    inference(instantiation,[status(thm)],[c_199]) ).

cnf(c_207,plain,
    ( ~ product(e_1,X0,X1)
    | ~ product(e_4,X0,X1) ),
    inference(resolution,[status(thm)],[c_55,c_68]) ).

cnf(c_208,plain,
    ( ~ product(e_1,e_1,e_1)
    | ~ product(e_4,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_207]) ).

cnf(c_341,negated_conjecture,
    ( ~ product(X0,X1,X2)
    | ~ product(X2,X0,X3)
    | product(X3,X0,X1) ),
    inference(demodulation,[status(thm)],[c_70]) ).

cnf(c_342,plain,
    ( ~ product(X0,X1,e_1)
    | ~ product(X0,X1,e_2)
    | equalish(e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_66]) ).

cnf(c_343,plain,
    ( ~ product(X0,e_1,X1)
    | ~ product(X0,e_2,X1)
    | equalish(e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_346,plain,
    ( ~ product(X0,e_1,X1)
    | ~ product(X0,e_3,X1)
    | equalish(e_1,e_3) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_349,plain,
    ( ~ product(X0,e_1,X1)
    | ~ product(X0,e_4,X1)
    | equalish(e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_352,plain,
    ( ~ product(X0,e_1,X1)
    | ~ product(X0,e_2,X1)
    | equalish(e_2,e_1) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_356,plain,
    ( ~ product(e_2,X0,X1)
    | ~ product(e_3,X0,X1)
    | equalish(e_2,e_3) ),
    inference(instantiation,[status(thm)],[c_68]) ).

cnf(c_358,plain,
    ( ~ product(X0,e_2,X1)
    | ~ product(X0,e_4,X1)
    | equalish(e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_359,plain,
    ( ~ product(e_2,X0,X1)
    | ~ product(e_4,X0,X1)
    | equalish(e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_68]) ).

cnf(c_368,plain,
    ( ~ product(e_3,X0,X1)
    | ~ product(e_4,X0,X1)
    | equalish(e_3,e_4) ),
    inference(instantiation,[status(thm)],[c_68]) ).

cnf(c_373,plain,
    ( ~ product(X0,e_2,X1)
    | ~ product(X0,e_4,X1)
    | equalish(e_4,e_2) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_378,plain,
    ( ~ product(e_2,e_2,e_1)
    | ~ product(e_2,e_2,e_2)
    | equalish(e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_342]) ).

cnf(c_379,plain,
    product(e_2,e_2,e_2),
    inference(instantiation,[status(thm)],[c_69]) ).

cnf(c_383,plain,
    ( ~ group_element(X0)
    | ~ group_element(e_2)
    | product(X0,e_2,e_1)
    | product(X0,e_2,e_2)
    | product(X0,e_2,e_3)
    | product(X0,e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_65]) ).

cnf(c_387,plain,
    ( ~ product(X0,e_2,X1)
    | ~ product(e_2,X2,X0)
    | product(X1,e_2,X2) ),
    inference(instantiation,[status(thm)],[c_341]) ).

cnf(c_389,plain,
    ( ~ group_element(X0)
    | ~ group_element(e_2)
    | product(e_2,X0,e_1)
    | product(e_2,X0,e_2)
    | product(e_2,X0,e_3)
    | product(e_2,X0,e_4) ),
    inference(instantiation,[status(thm)],[c_65]) ).

cnf(c_390,plain,
    ( ~ group_element(e_1)
    | ~ group_element(e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3)
    | product(e_2,e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_389]) ).

cnf(c_393,plain,
    ( ~ product(X0,X1,X2)
    | ~ product(X2,X0,e_2)
    | product(e_2,X0,X1) ),
    inference(instantiation,[status(thm)],[c_341]) ).

cnf(c_395,plain,
    product(e_3,e_3,e_3),
    inference(instantiation,[status(thm)],[c_69]) ).

cnf(c_405,plain,
    ( ~ group_element(X0)
    | ~ group_element(e_3)
    | product(e_3,X0,e_1)
    | product(e_3,X0,e_2)
    | product(e_3,X0,e_3)
    | product(e_3,X0,e_4) ),
    inference(instantiation,[status(thm)],[c_65]) ).

cnf(c_406,plain,
    ( ~ group_element(e_1)
    | ~ group_element(e_3)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_405]) ).

cnf(c_411,plain,
    product(e_4,e_4,e_4),
    inference(instantiation,[status(thm)],[c_69]) ).

cnf(c_419,plain,
    ( ~ product(X0,e_4,X1)
    | ~ product(e_4,X2,X0)
    | product(X1,e_4,X2) ),
    inference(instantiation,[status(thm)],[c_341]) ).

cnf(c_421,plain,
    ( ~ group_element(X0)
    | ~ group_element(e_4)
    | product(e_4,X0,e_1)
    | product(e_4,X0,e_2)
    | product(e_4,X0,e_3)
    | product(e_4,X0,e_4) ),
    inference(instantiation,[status(thm)],[c_65]) ).

cnf(c_422,plain,
    ( ~ group_element(e_1)
    | ~ group_element(e_4)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_1,e_3)
    | product(e_4,e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_421]) ).

cnf(c_587,plain,
    ( ~ product(e_2,e_1,e_2)
    | ~ product(e_2,e_2,e_2)
    | equalish(e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_343]) ).

cnf(c_604,plain,
    ( ~ product(e_3,e_1,e_3)
    | ~ product(e_3,e_3,e_3)
    | equalish(e_1,e_3) ),
    inference(instantiation,[status(thm)],[c_346]) ).

cnf(c_626,plain,
    ( ~ product(e_4,e_2,e_4)
    | ~ product(e_4,e_4,e_4)
    | equalish(e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_358]) ).

cnf(c_627,plain,
    ( ~ product(e_4,e_1,e_4)
    | ~ product(e_4,e_4,e_4)
    | equalish(e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_349]) ).

cnf(c_632,plain,
    ( ~ product(e_2,e_4,e_4)
    | ~ product(e_4,e_4,e_4)
    | equalish(e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_359]) ).

cnf(c_978,plain,
    ( ~ product(X0,e_1,e_3)
    | ~ product(X0,e_2,e_3)
    | equalish(e_2,e_1) ),
    inference(instantiation,[status(thm)],[c_352]) ).

cnf(c_988,plain,
    ( ~ group_element(e_2)
    | ~ group_element(e_4)
    | product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2)
    | product(e_4,e_2,e_3)
    | product(e_4,e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_383]) ).

cnf(c_1020,plain,
    ( ~ group_element(e_2)
    | ~ group_element(e_4)
    | product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2)
    | product(e_2,e_4,e_3)
    | product(e_2,e_4,e_4) ),
    inference(instantiation,[status(thm)],[c_389]) ).

cnf(c_1026,plain,
    ( ~ product(e_2,e_1,e_3)
    | ~ product(e_2,e_4,e_3)
    | equalish(e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_349]) ).

cnf(c_1848,plain,
    ( ~ product(X0,e_2,e_2)
    | ~ product(X0,e_4,e_2)
    | equalish(e_4,e_2) ),
    inference(instantiation,[status(thm)],[c_373]) ).

cnf(c_2339,plain,
    ( ~ product(e_3,X0,e_2)
    | ~ product(e_4,X0,e_2)
    | equalish(e_3,e_4) ),
    inference(instantiation,[status(thm)],[c_368]) ).

cnf(c_2344,plain,
    ( ~ product(e_3,e_1,e_2)
    | ~ product(e_4,e_1,e_2)
    | equalish(e_3,e_4) ),
    inference(instantiation,[status(thm)],[c_2339]) ).

cnf(c_2349,plain,
    ( ~ product(X0,X1,e_4)
    | ~ product(e_4,X0,e_2)
    | product(e_2,X0,X1) ),
    inference(instantiation,[status(thm)],[c_393]) ).

cnf(c_2353,plain,
    ( ~ product(e_2,e_4,X0)
    | ~ product(e_4,X1,e_2)
    | product(X0,e_4,X1) ),
    inference(instantiation,[status(thm)],[c_419]) ).

cnf(c_2354,plain,
    ( ~ product(e_2,e_4,e_1)
    | ~ product(e_4,e_1,e_2)
    | product(e_1,e_4,e_1) ),
    inference(instantiation,[status(thm)],[c_2353]) ).

cnf(c_2451,plain,
    ( ~ product(e_2,X0,e_4)
    | ~ product(e_4,e_2,e_2)
    | product(e_2,e_2,X0) ),
    inference(instantiation,[status(thm)],[c_2349]) ).

cnf(c_2464,plain,
    ( ~ product(e_2,e_1,e_4)
    | ~ product(e_4,e_2,e_2)
    | product(e_2,e_2,e_1) ),
    inference(instantiation,[status(thm)],[c_2451]) ).

cnf(c_2477,plain,
    ( ~ product(e_2,X0,e_4)
    | ~ product(e_4,e_2,X1)
    | product(X1,e_2,X0) ),
    inference(instantiation,[status(thm)],[c_387]) ).

cnf(c_2478,plain,
    ( ~ product(e_2,e_1,e_4)
    | ~ product(e_4,e_2,e_1)
    | product(e_1,e_2,e_1) ),
    inference(instantiation,[status(thm)],[c_2477]) ).

cnf(c_2592,plain,
    ( ~ product(e_2,X0,e_4)
    | ~ product(e_3,X0,e_4)
    | equalish(e_2,e_3) ),
    inference(instantiation,[status(thm)],[c_356]) ).

cnf(c_2595,plain,
    ( ~ product(e_2,e_1,e_4)
    | ~ product(e_3,e_1,e_4)
    | equalish(e_2,e_3) ),
    inference(instantiation,[status(thm)],[c_2592]) ).

cnf(c_2714,plain,
    ( ~ product(e_2,X0,e_3)
    | ~ product(e_4,X0,e_3)
    | equalish(e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_359]) ).

cnf(c_2717,plain,
    ( ~ product(e_2,e_1,e_3)
    | ~ product(e_4,e_1,e_3)
    | equalish(e_2,e_4) ),
    inference(instantiation,[status(thm)],[c_2714]) ).

cnf(c_3325,plain,
    ( ~ product(e_4,e_1,e_3)
    | ~ product(e_4,e_2,e_3)
    | equalish(e_2,e_1) ),
    inference(instantiation,[status(thm)],[c_978]) ).

cnf(c_3382,plain,
    ( ~ product(e_2,e_2,e_2)
    | ~ product(e_2,e_4,e_2)
    | equalish(e_4,e_2) ),
    inference(instantiation,[status(thm)],[c_1848]) ).

cnf(c_3440,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_3382,c_3325,c_2717,c_2595,c_2478,c_2464,c_2354,c_2344,c_1026,c_1020,c_988,c_632,c_626,c_627,c_604,c_587,c_422,c_411,c_406,c_395,c_390,c_379,c_378,c_208,c_200,c_184,c_160,c_152,c_53,c_54,c_55,c_56,c_57,c_58,c_61,c_63,c_71,c_49,c_50,c_51,c_52]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem  : GRP127-1.004 : TPTP v8.1.2. Released v1.2.0.
% 0.05/0.11  % Command  : run_iprover %s %d THM
% 0.10/0.31  % Computer : n009.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.31  % CPULimit : 300
% 0.16/0.31  % WCLimit  : 300
% 0.16/0.31  % DateTime : Thu May  2 23:35:10 EDT 2024
% 0.16/0.31  % CPUTime  : 
% 0.16/0.42  Running first-order theorem proving
% 0.16/0.42  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 3.14/1.11  % SZS status Started for theBenchmark.p
% 3.14/1.11  % SZS status Unsatisfiable for theBenchmark.p
% 3.14/1.11  
% 3.14/1.11  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 3.14/1.11  
% 3.14/1.11  ------  iProver source info
% 3.14/1.11  
% 3.14/1.11  git: date: 2024-05-02 19:28:25 +0000
% 3.14/1.11  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 3.14/1.11  git: non_committed_changes: false
% 3.14/1.11  
% 3.14/1.11  ------ Parsing...successful
% 3.14/1.11  
% 3.14/1.11  ------  preprocesses with Option_epr_non_horn_non_eq
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 3.14/1.11  
% 3.14/1.11  ------ Preprocessing...------  preprocesses with Option_epr_non_horn_non_eq
% 3.14/1.11   gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.14/1.11  ------ Proving...
% 3.14/1.11  ------ Problem Properties 
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  clauses                                 22
% 3.14/1.11  conjectures                             1
% 3.14/1.11  EPR                                     22
% 3.14/1.11  Horn                                    21
% 3.14/1.11  unary                                   17
% 3.14/1.11  binary                                  0
% 3.14/1.11  lits                                    35
% 3.14/1.11  lits eq                                 0
% 3.14/1.11  fd_pure                                 0
% 3.14/1.11  fd_pseudo                               0
% 3.14/1.11  fd_cond                                 0
% 3.14/1.11  fd_pseudo_cond                          0
% 3.14/1.11  AC symbols                              0
% 3.14/1.11  
% 3.14/1.11  ------ Schedule EPR non Horn non eq is on
% 3.14/1.11  
% 3.14/1.11  ------ no equalities: superposition off 
% 3.14/1.11  
% 3.14/1.11  ------ Input Options "--resolution_flag false" Time Limit: 70.
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  ------ 
% 3.14/1.11  Current options:
% 3.14/1.11  ------ 
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  ------ Proving...
% 3.14/1.11  
% 3.14/1.11  
% 3.14/1.11  % SZS status Unsatisfiable for theBenchmark.p
% 3.14/1.11  
% 3.14/1.11  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.14/1.11  
% 3.14/1.11  
%------------------------------------------------------------------------------