TSTP Solution File: PUZ031_1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : PUZ031_1 : TPTP v8.1.2. Released v5.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n020.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 02:54:39 EDT 2024

% Result   : Theorem 2.03s 1.18s
% Output   : CNFRefutation 2.03s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   57 (  23 unt;   0 typ;   0 def)
%            Number of atoms       :  180 (   0 equ)
%            Maximal formula atoms :    4 (   3 avg)
%            Number of connectives :  101 (  51   ~;  42   |;   5   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of FOOLs       :   73 (  73 fml;   0 var)
%            Number of types       :    0 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   22 (  21 usr;  12 prp; 0-2 aty)
%            Number of functors    :    1 (   1 usr;   1 con; 0-0 aty)
%            Number of variables   :  124 (  46 sgn  52   !;  13   ?;  65   :)

% Comments : 
%------------------------------------------------------------------------------
tff(f1,axiom,
    ! [X0: animal] :
      ( ! [X2: animal] :
          ( ( ? [X3: plant] : eats(X2,plant_to_edible(X3))
            & much_smaller(X2,X0) )
         => eats(X0,animal_to_edible(X2)) )
      | ! [X1: plant] : eats(X0,plant_to_edible(X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_7) ).

tff(f2,axiom,
    ! [X0: snail,X1: bird] : much_smaller(snail_to_animal(X0),bird_to_animal(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_8) ).

tff(f4,axiom,
    ! [X0: bird,X1: fox] : much_smaller(bird_to_animal(X0),fox_to_animal(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_9) ).

tff(f5,axiom,
    ! [X0: fox,X1: wolf] : much_smaller(fox_to_animal(X0),wolf_to_animal(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_10) ).

tff(f6,axiom,
    ! [X0: wolf,X1: fox] : ~ eats(wolf_to_animal(X0),animal_to_edible(fox_to_animal(X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_11) ).

tff(f7,axiom,
    ! [X0: wolf,X1: grain] : ~ eats(wolf_to_animal(X0),plant_to_edible(grain_to_plant(X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_11a) ).

tff(f9,axiom,
    ! [X0: bird,X1: snail] : ~ eats(bird_to_animal(X0),animal_to_edible(snail_to_animal(X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_13) ).

tff(f11,axiom,
    ! [X0: snail] :
    ? [X1: plant] : eats(snail_to_animal(X0),plant_to_edible(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47_14a) ).

tff(f12,conjecture,
    ? [X0: animal,X1: animal,X3: grain] :
      ( eats(X0,animal_to_edible(X1))
      & eats(X1,plant_to_edible(grain_to_plant(X3))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel47) ).

tff(f13,negated_conjecture,
    ~ ? [X0: animal,X1: animal,X3: grain] :
        ( eats(X0,animal_to_edible(X1))
        & eats(X1,plant_to_edible(grain_to_plant(X3))) ),
    inference(negated_conjecture,[],[f12]) ).

tff(f14,plain,
    ! [X0: animal] :
      ( ! [X1: animal] :
          ( ( ? [X2: plant] : eats(X1,plant_to_edible(X2))
            & much_smaller(X1,X0) )
         => eats(X0,animal_to_edible(X1)) )
      | ! [X3: plant] : eats(X0,plant_to_edible(X3)) ),
    inference(rectify,[],[f1]) ).

tff(f15,plain,
    ~ ? [X0: animal,X1: animal,X2: grain] :
        ( eats(X0,animal_to_edible(X1))
        & eats(X1,plant_to_edible(grain_to_plant(X2))) ),
    inference(rectify,[],[f13]) ).

tff(f16,plain,
    ! [X0: animal] :
      ( ! [X1: animal] :
          ( eats(X0,animal_to_edible(X1))
          | ! [X2: plant] : ~ eats(X1,plant_to_edible(X2))
          | ~ much_smaller(X1,X0) )
      | ! [X3: plant] : eats(X0,plant_to_edible(X3)) ),
    inference(ennf_transformation,[],[f14]) ).

tff(f17,plain,
    ! [X0: animal] :
      ( ! [X1: animal] :
          ( eats(X0,animal_to_edible(X1))
          | ! [X2: plant] : ~ eats(X1,plant_to_edible(X2))
          | ~ much_smaller(X1,X0) )
      | ! [X3: plant] : eats(X0,plant_to_edible(X3)) ),
    inference(flattening,[],[f16]) ).

tff(f18,plain,
    ! [X0: animal,X1: animal,X2: grain] :
      ( ~ eats(X0,animal_to_edible(X1))
      | ~ eats(X1,plant_to_edible(grain_to_plant(X2))) ),
    inference(ennf_transformation,[],[f15]) ).

tff(f21,plain,
    ! [X0: snail] :
      ( ? [X1: plant] : eats(snail_to_animal(X0),plant_to_edible(X1))
     => eats(snail_to_animal(X0),plant_to_edible(sK1(X0))) ),
    introduced(choice_axiom,[]) ).

tff(f22,plain,
    ! [X0: snail] : eats(snail_to_animal(X0),plant_to_edible(sK1(X0))),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f11,f21]) ).

tff(f23,plain,
    ! [X2: plant,X3: plant,X0: animal,X1: animal] :
      ( eats(X0,animal_to_edible(X1))
      | ~ eats(X1,plant_to_edible(X2))
      | ~ much_smaller(X1,X0)
      | eats(X0,plant_to_edible(X3)) ),
    inference(cnf_transformation,[],[f17]) ).

tff(f24,plain,
    ! [X0: snail,X1: bird] : much_smaller(snail_to_animal(X0),bird_to_animal(X1)),
    inference(cnf_transformation,[],[f2]) ).

tff(f26,plain,
    ! [X0: bird,X1: fox] : much_smaller(bird_to_animal(X0),fox_to_animal(X1)),
    inference(cnf_transformation,[],[f4]) ).

tff(f27,plain,
    ! [X0: fox,X1: wolf] : much_smaller(fox_to_animal(X0),wolf_to_animal(X1)),
    inference(cnf_transformation,[],[f5]) ).

tff(f28,plain,
    ! [X0: wolf,X1: fox] : ~ eats(wolf_to_animal(X0),animal_to_edible(fox_to_animal(X1))),
    inference(cnf_transformation,[],[f6]) ).

tff(f29,plain,
    ! [X0: wolf,X1: grain] : ~ eats(wolf_to_animal(X0),plant_to_edible(grain_to_plant(X1))),
    inference(cnf_transformation,[],[f7]) ).

tff(f31,plain,
    ! [X0: bird,X1: snail] : ~ eats(bird_to_animal(X0),animal_to_edible(snail_to_animal(X1))),
    inference(cnf_transformation,[],[f9]) ).

tff(f33,plain,
    ! [X0: snail] : eats(snail_to_animal(X0),plant_to_edible(sK1(X0))),
    inference(cnf_transformation,[],[f22]) ).

tff(f34,plain,
    ! [X2: grain,X0: animal,X1: animal] :
      ( ~ eats(X0,animal_to_edible(X1))
      | ~ eats(X1,plant_to_edible(grain_to_plant(X2))) ),
    inference(cnf_transformation,[],[f18]) ).

cnf(c_49,plain,
    ( ~ eats(X0_13,plant_to_edible(X0_19))
    | ~ much_smaller(X0_13,X1_13)
    | eats(X1_13,animal_to_edible(X0_13))
    | eats(X1_13,plant_to_edible(X1_19)) ),
    inference(cnf_transformation,[],[f23]) ).

cnf(c_50,plain,
    much_smaller(snail_to_animal(X0_18),bird_to_animal(X0_16)),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_52,plain,
    much_smaller(bird_to_animal(X0_16),fox_to_animal(X0_15)),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_53,plain,
    much_smaller(fox_to_animal(X0_15),wolf_to_animal(X0_14)),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_54,plain,
    ~ eats(wolf_to_animal(X0_14),animal_to_edible(fox_to_animal(X0_15))),
    inference(cnf_transformation,[],[f28]) ).

cnf(c_55,plain,
    ~ eats(wolf_to_animal(X0_14),plant_to_edible(grain_to_plant(X0_20))),
    inference(cnf_transformation,[],[f29]) ).

cnf(c_57,plain,
    ~ eats(bird_to_animal(X0_16),animal_to_edible(snail_to_animal(X0_18))),
    inference(cnf_transformation,[],[f31]) ).

cnf(c_59,plain,
    eats(snail_to_animal(X0_18),plant_to_edible(sK1(X0_18))),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_60,negated_conjecture,
    ( ~ eats(X0_13,plant_to_edible(grain_to_plant(X0_20)))
    | ~ eats(X1_13,animal_to_edible(X0_13)) ),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_104,plain,
    ( ~ eats(snail_to_animal(X0_18),plant_to_edible(X0_19))
    | eats(bird_to_animal(X0_16),animal_to_edible(snail_to_animal(X0_18)))
    | eats(bird_to_animal(X0_16),plant_to_edible(X1_19)) ),
    inference(resolution,[status(thm)],[c_49,c_50]) ).

cnf(c_106,plain,
    ( ~ eats(snail_to_animal(X0_18),plant_to_edible(X0_19))
    | eats(bird_to_animal(X0_16),plant_to_edible(X1_19)) ),
    inference(global_subsumption_just,[status(thm)],[c_104,c_57,c_104]) ).

cnf(c_116,plain,
    ( ~ eats(bird_to_animal(X0_16),plant_to_edible(X0_19))
    | eats(fox_to_animal(X0_15),animal_to_edible(bird_to_animal(X0_16)))
    | eats(fox_to_animal(X0_15),plant_to_edible(X1_19)) ),
    inference(resolution,[status(thm)],[c_49,c_52]) ).

cnf(c_117,plain,
    ( ~ eats(bird_to_animal(iProver_bot),plant_to_edible(iProver_bot))
    | eats(fox_to_animal(iProver_bot),animal_to_edible(bird_to_animal(iProver_bot)))
    | eats(fox_to_animal(iProver_bot),plant_to_edible(iProver_bot)) ),
    inference(instantiation,[status(thm)],[c_116]) ).

cnf(c_127,plain,
    ( ~ eats(fox_to_animal(X0_15),plant_to_edible(X0_19))
    | eats(wolf_to_animal(X0_14),animal_to_edible(fox_to_animal(X0_15)))
    | eats(wolf_to_animal(X0_14),plant_to_edible(X1_19)) ),
    inference(resolution,[status(thm)],[c_49,c_53]) ).

cnf(c_129,plain,
    ( ~ eats(fox_to_animal(X0_15),plant_to_edible(X0_19))
    | eats(wolf_to_animal(X0_14),plant_to_edible(X1_19)) ),
    inference(global_subsumption_just,[status(thm)],[c_127,c_54,c_127]) ).

cnf(c_175,plain,
    ( eats(wolf_to_animal(X0_14),plant_to_edible(X0_19))
    | ~ sP0_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP0_iProver_def])],[c_129]) ).

cnf(c_176,plain,
    ( ~ eats(fox_to_animal(X0_15),plant_to_edible(X0_19))
    | ~ sP1_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP1_iProver_def])],[c_129]) ).

cnf(c_177,plain,
    ( sP0_iProver_def
    | sP1_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_129]) ).

cnf(c_178,plain,
    ( eats(bird_to_animal(X0_16),plant_to_edible(X0_19))
    | ~ sP2_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP2_iProver_def])],[c_106]) ).

cnf(c_179,plain,
    ( ~ eats(snail_to_animal(X0_18),plant_to_edible(X0_19))
    | ~ sP3_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP3_iProver_def])],[c_106]) ).

cnf(c_180,plain,
    ( sP2_iProver_def
    | sP3_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_106]) ).

cnf(c_181,negated_conjecture,
    ( ~ eats(X0_13,plant_to_edible(grain_to_plant(X0_20)))
    | ~ eats(X1_13,animal_to_edible(X0_13)) ),
    inference(demodulation,[status(thm)],[c_60]) ).

cnf(c_183,plain,
    ( ~ sP2_iProver_def
    | eats(bird_to_animal(iProver_bot),plant_to_edible(iProver_bot)) ),
    inference(instantiation,[status(thm)],[c_178]) ).

cnf(c_184,plain,
    ( ~ eats(fox_to_animal(iProver_bot),plant_to_edible(iProver_bot))
    | ~ sP1_iProver_def ),
    inference(instantiation,[status(thm)],[c_176]) ).

cnf(c_188,plain,
    ( ~ eats(fox_to_animal(X0_15),animal_to_edible(bird_to_animal(X0_16)))
    | ~ eats(bird_to_animal(X0_16),plant_to_edible(grain_to_plant(X0_20))) ),
    inference(instantiation,[status(thm)],[c_181]) ).

cnf(c_189,plain,
    ( ~ eats(fox_to_animal(iProver_bot),animal_to_edible(bird_to_animal(iProver_bot)))
    | ~ eats(bird_to_animal(iProver_bot),plant_to_edible(grain_to_plant(iProver_bot))) ),
    inference(instantiation,[status(thm)],[c_188]) ).

cnf(c_190,plain,
    ( ~ sP2_iProver_def
    | eats(bird_to_animal(X0_16),plant_to_edible(grain_to_plant(X0_20))) ),
    inference(instantiation,[status(thm)],[c_178]) ).

cnf(c_191,plain,
    ( ~ sP2_iProver_def
    | eats(bird_to_animal(iProver_bot),plant_to_edible(grain_to_plant(iProver_bot))) ),
    inference(instantiation,[status(thm)],[c_190]) ).

cnf(c_192,plain,
    ( ~ eats(snail_to_animal(X0_18),plant_to_edible(sK1(X0_18)))
    | ~ sP3_iProver_def ),
    inference(instantiation,[status(thm)],[c_179]) ).

cnf(c_194,plain,
    ( ~ sP0_iProver_def
    | eats(wolf_to_animal(X0_14),plant_to_edible(grain_to_plant(X0_20))) ),
    inference(instantiation,[status(thm)],[c_175]) ).

cnf(c_195,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_194,c_192,c_191,c_189,c_184,c_183,c_180,c_177,c_117,c_55,c_59]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : PUZ031_1 : TPTP v8.1.2. Released v5.0.0.
% 0.12/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n020.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 : Thu May  2 21:03:31 EDT 2024
% 0.13/0.35  % 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 --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 2.03/1.18  % SZS status Started for theBenchmark.p
% 2.03/1.18  % SZS status Theorem for theBenchmark.p
% 2.03/1.18  
% 2.03/1.18  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 2.03/1.18  
% 2.03/1.18  ------  iProver source info
% 2.03/1.18  
% 2.03/1.18  git: date: 2024-05-02 19:28:25 +0000
% 2.03/1.18  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 2.03/1.18  git: non_committed_changes: false
% 2.03/1.18  
% 2.03/1.18  ------ Parsing...
% 2.03/1.18  ------ Clausification by vclausify_rel  & Parsing by iProver...------  preprocesses with Global Options Modified: tff_prep: switching off prep_sem_filter, sub_typing, pure_diseq_elim
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  ------ Preprocessing... pe_s  pe:1:0s pe_e  pe_s  pe_e 
% 2.03/1.18  
% 2.03/1.18  ------ Preprocessing...------  preprocesses with Global Options Modified: tff_prep: switching off prep_sem_filter, sub_typing, pure_diseq_elim
% 2.03/1.18   gs_s  sp: 4 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.03/1.18  ------ Proving...
% 2.03/1.18  ------ Problem Properties 
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  clauses                                 14
% 2.03/1.18  conjectures                             1
% 2.03/1.18  EPR                                     2
% 2.03/1.18  Horn                                    11
% 2.03/1.18  unary                                   6
% 2.03/1.18  binary                                  7
% 2.03/1.18  lits                                    23
% 2.03/1.18  lits eq                                 0
% 2.03/1.18  fd_pure                                 0
% 2.03/1.18  fd_pseudo                               0
% 2.03/1.18  fd_cond                                 0
% 2.03/1.18  fd_pseudo_cond                          0
% 2.03/1.18  AC symbols                              0
% 2.03/1.18  
% 2.03/1.18  ------ Schedule dynamic 5 is on 
% 2.03/1.18  
% 2.03/1.18  ------ no equalities: superposition off 
% 2.03/1.18  
% 2.03/1.18  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  ------ 
% 2.03/1.18  Current options:
% 2.03/1.18  ------ 
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  ------ Proving...
% 2.03/1.18  
% 2.03/1.18  
% 2.03/1.18  % SZS status Theorem for theBenchmark.p
% 2.03/1.18  
% 2.03/1.18  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.03/1.18  
% 2.03/1.18  
%------------------------------------------------------------------------------