TSTP Solution File: SWC251-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SWC251-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n014.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 20:42:01 EDT 2023

% Result   : Unsatisfiable 221.04s 29.88s
% Output   : CNFRefutation 221.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   21
% Syntax   : Number of clauses     :   73 (  21 unt;   8 nHn;  59 RR)
%            Number of literals    :  187 (  46 equ; 122 neg)
%            Maximal clause size   :    7 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    9 (   7 usr;   3 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   6 con; 0-3 aty)
%            Number of variables   :  102 (  17 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,negated_conjecture,
    ssList(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

cnf(c_52,negated_conjecture,
    ssList(sk4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_4) ).

cnf(c_54,negated_conjecture,
    sk1 = sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).

cnf(c_55,negated_conjecture,
    sk1 != nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

cnf(c_57,negated_conjecture,
    ( app(app(X0,cons(X1,nil)),X2) != sk1
    | ~ ssList(X0)
    | ~ ssList(X2)
    | ~ ssItem(X1)
    | memberP(X0,sk5(X2,X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

cnf(c_62,negated_conjecture,
    ssList(sk7),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

cnf(c_65,negated_conjecture,
    ( app(cons(X0,nil),X1) != sk3
    | app(X2,cons(X3,nil)) != sk6
    | ~ lt(X3,X0)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssItem(X0)
    | ~ ssItem(X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_17) ).

cnf(c_75,plain,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).

cnf(c_80,plain,
    ssList(skaf82(X0)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause13) ).

cnf(c_138,plain,
    ( ~ memberP(nil,X0)
    | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause71) ).

cnf(c_139,plain,
    ( ~ ssList(X0)
    | ssItem(X1)
    | duplicatefreeP(X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause72) ).

cnf(c_141,plain,
    ( ~ ssList(X0)
    | app(nil,X0) = X0 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause74) ).

cnf(c_145,plain,
    ( ~ ssList(X0)
    | X0 = nil
    | ssItem(hd(X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause78) ).

cnf(c_152,plain,
    ( ~ ssList(X0)
    | ~ ssList(X1)
    | ssList(app(X1,X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause85) ).

cnf(c_153,plain,
    ( ~ ssList(X0)
    | ~ ssItem(X1)
    | ssList(cons(X1,X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause86) ).

cnf(c_163,plain,
    ( ~ ssList(X0)
    | ~ ssItem(X1)
    | tl(cons(X1,X0)) = X0 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause96) ).

cnf(c_171,plain,
    ( ~ ssList(X0)
    | cons(hd(X0),tl(X0)) = X0
    | X0 = nil ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause104) ).

cnf(c_176,plain,
    ( ~ ssList(X0)
    | cons(skaf83(X0),skaf82(X0)) = X0
    | X0 = nil ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause109) ).

cnf(c_187,plain,
    ( ~ ssList(X0)
    | ~ ssItem(X1)
    | app(cons(X1,nil),X0) = cons(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause120) ).

cnf(c_216,plain,
    ( ~ ssList(X0)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | app(app(X2,X1),X0) = app(X2,app(X1,X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause149) ).

cnf(c_246,plain,
    ( app(app(X0,cons(X1,X2)),cons(X1,X3)) != X4
    | ~ ssList(X0)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssList(X4)
    | ~ ssItem(X1)
    | ~ duplicatefreeP(X4) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause179) ).

cnf(c_269,plain,
    ( ~ ssList(app(app(X0,cons(X1,X2)),cons(X1,X3)))
    | ~ duplicatefreeP(app(app(X0,cons(X1,X2)),cons(X1,X3)))
    | ~ ssList(X0)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(unflattening,[status(thm)],[c_246]) ).

cnf(c_2573,plain,
    ( app(cons(X0,nil),X1) != sk1
    | app(X2,cons(X3,nil)) != sk6
    | ~ lt(X3,X0)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssItem(X0)
    | ~ ssItem(X3) ),
    inference(light_normalisation,[status(thm)],[c_65,c_54]) ).

cnf(c_6611,plain,
    ( ssItem(X0)
    | ~ sP0_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP0_iProver_split])],[c_139]) ).

cnf(c_6612,plain,
    ( duplicatefreeP(X0)
    | ~ ssList(X0)
    | ~ sP1_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP1_iProver_split])],[c_139]) ).

cnf(c_6613,plain,
    ( sP0_iProver_split
    | sP1_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_139]) ).

cnf(c_9762,plain,
    ( ~ ssList(X0)
    | ~ ssList(X1)
    | ~ sP1_iProver_split
    | duplicatefreeP(app(X1,X0)) ),
    inference(superposition,[status(thm)],[c_152,c_6612]) ).

cnf(c_11368,plain,
    ( ~ ssList(sk1)
    | sk1 = nil
    | ssItem(hd(sk1)) ),
    inference(instantiation,[status(thm)],[c_145]) ).

cnf(c_15510,plain,
    ( ~ ssList(app(app(X0,cons(hd(sk1),X1)),cons(hd(sk1),X2)))
    | ~ duplicatefreeP(app(app(X0,cons(hd(sk1),X1)),cons(hd(sk1),X2)))
    | ~ ssItem(hd(sk1))
    | ~ ssList(X0)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(instantiation,[status(thm)],[c_269]) ).

cnf(c_15527,plain,
    ( ~ ssList(app(app(nil,cons(hd(sk1),nil)),cons(hd(sk1),nil)))
    | ~ duplicatefreeP(app(app(nil,cons(hd(sk1),nil)),cons(hd(sk1),nil)))
    | ~ ssItem(hd(sk1))
    | ~ ssList(nil) ),
    inference(instantiation,[status(thm)],[c_15510]) ).

cnf(c_16622,plain,
    ( ~ ssList(X0)
    | ~ ssList(X1)
    | app(app(X1,sk7),X0) = app(X1,app(sk7,X0)) ),
    inference(superposition,[status(thm)],[c_62,c_216]) ).

cnf(c_45921,plain,
    ( ~ ssList(cons(hd(sk1),X0))
    | ~ ssList(X1)
    | ssList(app(X1,cons(hd(sk1),X0))) ),
    inference(instantiation,[status(thm)],[c_152]) ).

cnf(c_45922,plain,
    ( ~ ssList(cons(hd(sk1),nil))
    | ~ ssList(nil)
    | ssList(app(nil,cons(hd(sk1),nil))) ),
    inference(instantiation,[status(thm)],[c_45921]) ).

cnf(c_47860,plain,
    ( ~ ssItem(hd(sk1))
    | ~ ssList(nil)
    | ssList(cons(hd(sk1),nil)) ),
    inference(instantiation,[status(thm)],[c_153]) ).

cnf(c_136438,plain,
    ( ~ ssList(app(X0,cons(X1,nil)))
    | ~ ssList(X2)
    | ssList(app(app(X0,cons(X1,nil)),X2)) ),
    inference(instantiation,[status(thm)],[c_152]) ).

cnf(c_190354,plain,
    ( ~ ssList(app(X0,cons(hd(sk1),nil)))
    | ~ ssList(cons(hd(sk1),X1))
    | ssList(app(app(X0,cons(hd(sk1),nil)),cons(hd(sk1),X1))) ),
    inference(instantiation,[status(thm)],[c_136438]) ).

cnf(c_190359,plain,
    ( ~ ssList(app(nil,cons(hd(sk1),nil)))
    | ~ ssList(cons(hd(sk1),nil))
    | ssList(app(app(nil,cons(hd(sk1),nil)),cons(hd(sk1),nil))) ),
    inference(instantiation,[status(thm)],[c_190354]) ).

cnf(c_195597,plain,
    ( ~ ssList(X0)
    | app(app(sk4,sk7),X0) = app(sk4,app(sk7,X0)) ),
    inference(superposition,[status(thm)],[c_52,c_16622]) ).

cnf(c_203685,plain,
    app(app(sk4,sk7),sk1) = app(sk4,app(sk7,sk1)),
    inference(superposition,[status(thm)],[c_49,c_195597]) ).

cnf(c_204818,plain,
    ( ~ ssList(app(sk4,sk7))
    | ~ ssList(sk1)
    | ~ sP1_iProver_split
    | duplicatefreeP(app(sk4,app(sk7,sk1))) ),
    inference(superposition,[status(thm)],[c_203685,c_9762]) ).

cnf(c_204844,plain,
    ( ~ ssList(app(sk4,sk7))
    | ~ sP1_iProver_split
    | duplicatefreeP(app(sk4,app(sk7,sk1))) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_204818,c_49]) ).

cnf(c_205710,plain,
    ( ~ ssList(app(app(X0,cons(hd(sk1),X1)),cons(hd(sk1),X2)))
    | ~ sP1_iProver_split
    | duplicatefreeP(app(app(X0,cons(hd(sk1),X1)),cons(hd(sk1),X2))) ),
    inference(instantiation,[status(thm)],[c_6612]) ).

cnf(c_205711,plain,
    ( ~ ssList(app(app(nil,cons(hd(sk1),nil)),cons(hd(sk1),nil)))
    | ~ sP1_iProver_split
    | duplicatefreeP(app(app(nil,cons(hd(sk1),nil)),cons(hd(sk1),nil))) ),
    inference(instantiation,[status(thm)],[c_205710]) ).

cnf(c_265779,plain,
    ~ sP1_iProver_split,
    inference(global_subsumption_just,[status(thm)],[c_204844,c_49,c_75,c_55,c_11368,c_15527,c_45922,c_47860,c_190359,c_205711]) ).

cnf(c_265781,plain,
    sP0_iProver_split,
    inference(backward_subsumption_resolution,[status(thm)],[c_6613,c_265779]) ).

cnf(c_265813,plain,
    ssItem(X0),
    inference(backward_subsumption_resolution,[status(thm)],[c_6611,c_265781]) ).

cnf(c_265946,plain,
    ( ~ ssList(X0)
    | app(cons(X1,nil),X0) = cons(X1,X0) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_187,c_265813]) ).

cnf(c_265957,plain,
    ( ~ ssList(X0)
    | tl(cons(X1,X0)) = X0 ),
    inference(backward_subsumption_resolution,[status(thm)],[c_163,c_265813]) ).

cnf(c_265958,plain,
    ( ~ ssList(X0)
    | ssList(cons(X1,X0)) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_153,c_265813]) ).

cnf(c_265973,plain,
    ( app(app(X0,cons(X1,nil)),X2) != sk1
    | ~ ssList(X0)
    | ~ ssList(X2)
    | memberP(X0,sk5(X2,X0,X1)) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_57,c_265813]) ).

cnf(c_303113,plain,
    ( ~ ssList(X2)
    | ~ ssList(X0)
    | app(app(X0,cons(X1,nil)),X2) != sk1
    | memberP(X0,sk5(X2,X0,X1)) ),
    inference(global_subsumption_just,[status(thm)],[c_57,c_265973]) ).

cnf(c_303114,negated_conjecture,
    ( app(app(X0,cons(X1,nil)),X2) != sk1
    | ~ ssList(X0)
    | ~ ssList(X2)
    | memberP(X0,sk5(X2,X0,X1)) ),
    inference(renaming,[status(thm)],[c_303113]) ).

cnf(c_303299,plain,
    ~ memberP(nil,X0),
    inference(global_subsumption_just,[status(thm)],[c_138,c_49,c_75,c_55,c_138,c_6611,c_6613,c_11368,c_15527,c_45922,c_47860,c_190359,c_205711]) ).

cnf(c_303437,plain,
    ( ~ ssList(X0)
    | ssList(cons(X1,X0)) ),
    inference(global_subsumption_just,[status(thm)],[c_153,c_265958]) ).

cnf(c_303443,plain,
    ( ~ ssList(X0)
    | app(nil,cons(X1,X0)) = cons(X1,X0) ),
    inference(superposition,[status(thm)],[c_303437,c_141]) ).

cnf(c_566650,plain,
    app(nil,cons(X0,nil)) = cons(X0,nil),
    inference(superposition,[status(thm)],[c_75,c_303443]) ).

cnf(c_567271,plain,
    ( app(cons(X0,nil),X1) != sk1
    | ~ ssList(X1)
    | ~ ssList(nil)
    | memberP(nil,sk5(X1,nil,X0)) ),
    inference(superposition,[status(thm)],[c_566650,c_303114]) ).

cnf(c_567315,plain,
    ( app(cons(X0,nil),X1) != sk1
    | ~ ssList(X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_567271,c_303299,c_75]) ).

cnf(c_669272,plain,
    ( ~ ssList(X0)
    | tl(cons(X1,X0)) = X0 ),
    inference(global_subsumption_just,[status(thm)],[c_163,c_265957]) ).

cnf(c_669283,plain,
    tl(cons(X0,skaf82(X1))) = skaf82(X1),
    inference(superposition,[status(thm)],[c_80,c_669272]) ).

cnf(c_669544,plain,
    ( cons(hd(sk1),tl(sk1)) = sk1
    | sk1 = nil ),
    inference(superposition,[status(thm)],[c_49,c_171]) ).

cnf(c_669585,plain,
    cons(hd(sk1),tl(sk1)) = sk1,
    inference(forward_subsumption_resolution,[status(thm)],[c_669544,c_55]) ).

cnf(c_669813,plain,
    ( cons(skaf83(sk1),skaf82(sk1)) = sk1
    | sk1 = nil ),
    inference(superposition,[status(thm)],[c_49,c_176]) ).

cnf(c_669854,plain,
    cons(skaf83(sk1),skaf82(sk1)) = sk1,
    inference(forward_subsumption_resolution,[status(thm)],[c_669813,c_55]) ).

cnf(c_670024,plain,
    ( ~ ssList(X0)
    | app(cons(X1,nil),X0) = cons(X1,X0) ),
    inference(global_subsumption_just,[status(thm)],[c_187,c_265946]) ).

cnf(c_670035,plain,
    app(cons(X0,nil),skaf82(X1)) = cons(X0,skaf82(X1)),
    inference(superposition,[status(thm)],[c_80,c_670024]) ).

cnf(c_677720,plain,
    ( ~ ssList(X1)
    | app(cons(X0,nil),X1) != sk1 ),
    inference(global_subsumption_just,[status(thm)],[c_2573,c_567315]) ).

cnf(c_677721,plain,
    ( app(cons(X0,nil),X1) != sk1
    | ~ ssList(X1) ),
    inference(renaming,[status(thm)],[c_677720]) ).

cnf(c_708738,plain,
    skaf82(sk1) = tl(sk1),
    inference(superposition,[status(thm)],[c_669854,c_669283]) ).

cnf(c_709854,plain,
    ( cons(X0,skaf82(X1)) != sk1
    | ~ ssList(skaf82(X1)) ),
    inference(superposition,[status(thm)],[c_670035,c_677721]) ).

cnf(c_709872,plain,
    cons(X0,skaf82(X1)) != sk1,
    inference(forward_subsumption_resolution,[status(thm)],[c_709854,c_80]) ).

cnf(c_758083,plain,
    cons(X0,tl(sk1)) != sk1,
    inference(superposition,[status(thm)],[c_708738,c_709872]) ).

cnf(c_758143,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_669585,c_758083]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SWC251-1 : TPTP v8.1.2. Released v2.4.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n014.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 : Mon Aug 28 15:35:46 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 221.04/29.88  % SZS status Started for theBenchmark.p
% 221.04/29.88  % SZS status Unsatisfiable for theBenchmark.p
% 221.04/29.88  
% 221.04/29.88  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 221.04/29.88  
% 221.04/29.88  ------  iProver source info
% 221.04/29.88  
% 221.04/29.88  git: date: 2023-05-31 18:12:56 +0000
% 221.04/29.88  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 221.04/29.88  git: non_committed_changes: false
% 221.04/29.88  git: last_make_outside_of_git: false
% 221.04/29.88  
% 221.04/29.88  ------ Parsing...successful
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ Preprocessing... sup_sim: 9  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 221.04/29.88  
% 221.04/29.88  ------ Preprocessing... gs_s  sp: 2 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 221.04/29.88  
% 221.04/29.88  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 221.04/29.88  ------ Proving...
% 221.04/29.88  ------ Problem Properties 
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  clauses                                 193
% 221.04/29.88  conjectures                             12
% 221.04/29.88  EPR                                     60
% 221.04/29.88  Horn                                    165
% 221.04/29.88  unary                                   67
% 221.04/29.88  binary                                  21
% 221.04/29.88  lits                                    589
% 221.04/29.88  lits eq                                 82
% 221.04/29.88  fd_pure                                 0
% 221.04/29.88  fd_pseudo                               0
% 221.04/29.88  fd_cond                                 15
% 221.04/29.88  fd_pseudo_cond                          14
% 221.04/29.88  AC symbols                              0
% 221.04/29.88  
% 221.04/29.88  ------ Schedule dynamic 5 is on 
% 221.04/29.88  
% 221.04/29.88  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ 
% 221.04/29.88  Current options:
% 221.04/29.88  ------ 
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ Proving...
% 221.04/29.88  Proof_search_loop: time out after: 12416 full_loop iterations
% 221.04/29.88  
% 221.04/29.88  ------ Input Options"--res_lit_sel adaptive --res_lit_sel_side num_symb" Time Limit: 15.
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ 
% 221.04/29.88  Current options:
% 221.04/29.88  ------ 
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ Proving...
% 221.04/29.88  Proof_search_loop: time out after: 18354 full_loop iterations
% 221.04/29.88  
% 221.04/29.88  ------ Option_1: Negative Selections Time Limit: 35.
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ 
% 221.04/29.88  Current options:
% 221.04/29.88  ------ 
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  ------ Proving...
% 221.04/29.88  
% 221.04/29.88  
% 221.04/29.88  % SZS status Unsatisfiable for theBenchmark.p
% 221.04/29.88  
% 221.04/29.88  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 221.04/29.88  
% 221.04/29.89  
%------------------------------------------------------------------------------