TSTP Solution File: SET618+3 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET618+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n008.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  : 600s
% DateTime : Tue Jul 19 00:20:52 EDT 2022

% Result   : Theorem 2.10s 1.22s
% Output   : Proof 3.03s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET618+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 06:47:23 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.67/0.63          ____       _                          
% 0.67/0.63    ___  / __ \_____(_)___  ________  __________
% 0.67/0.63   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.67/0.63  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.67/0.63  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.67/0.63  
% 0.67/0.63  A Theorem Prover for First-Order Logic
% 0.67/0.63  (ePrincess v.1.0)
% 0.67/0.63  
% 0.67/0.63  (c) Philipp Rümmer, 2009-2015
% 0.67/0.63  (c) Peter Backeman, 2014-2015
% 0.67/0.63  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.67/0.63  Free software under GNU Lesser General Public License (LGPL).
% 0.67/0.63  Bug reports to peter@backeman.se
% 0.67/0.63  
% 0.67/0.63  For more information, visit http://user.uu.se/~petba168/breu/
% 0.67/0.63  
% 0.67/0.64  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.67/0.68  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.52/0.93  Prover 0: Preprocessing ...
% 1.92/1.11  Prover 0: Warning: ignoring some quantifiers
% 2.01/1.12  Prover 0: Constructing countermodel ...
% 2.10/1.22  Prover 0: proved (533ms)
% 2.10/1.22  
% 2.10/1.22  No countermodel exists, formula is valid
% 2.10/1.22  % SZS status Theorem for theBenchmark
% 2.10/1.22  
% 2.10/1.22  Generating proof ... Warning: ignoring some quantifiers
% 2.83/1.42  found it (size 13)
% 2.83/1.42  
% 2.83/1.42  % SZS output start Proof for theBenchmark
% 2.83/1.42  Assumed formulas after preprocessing and simplification: 
% 2.83/1.42  | (0)  ? [v0] :  ? [v1] : ( ~ (v1 = empty_set) & symmetric_difference(v0, v0) = v1 &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : ( ~ (difference(v3, v2) = v5) |  ~ (difference(v2, v3) = v4) |  ~ (union(v4, v5) = v6) | symmetric_difference(v2, v3) = v6) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (difference(v5, v4) = v3) |  ~ (difference(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (union(v5, v4) = v3) |  ~ (union(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (symmetric_difference(v5, v4) = v3) |  ~ (symmetric_difference(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (union(v3, v2) = v4) | union(v2, v3) = v4) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (union(v2, v3) = v4) | union(v3, v2) = v4) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (symmetric_difference(v3, v2) = v4) | symmetric_difference(v2, v3) = v4) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (symmetric_difference(v2, v3) = v4) | symmetric_difference(v3, v2) = v4) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (symmetric_difference(v2, v3) = v4) |  ? [v5] :  ? [v6] : (difference(v3, v2) = v6 & difference(v2, v3) = v5 & union(v5, v6) = v4)) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ subset(v2, v3) |  ~ member(v4, v2) | member(v4, v3)) &  ! [v2] :  ! [v3] : (v3 = v2 |  ~ (union(v2, v2) = v3)) &  ! [v2] :  ! [v3] : (v3 = v2 |  ~ subset(v3, v2) |  ~ subset(v2, v3)) &  ! [v2] :  ! [v3] : (v3 = empty_set |  ~ (difference(v2, v2) = v3)) &  ! [v2] :  ! [v3] : ( ~ empty(v2) |  ~ member(v3, v2)) &  ! [v2] :  ~ member(v2, empty_set) &  ? [v2] :  ? [v3] : (v3 = v2 |  ? [v4] : (( ~ member(v4, v3) |  ~ member(v4, v2)) & (member(v4, v3) | member(v4, v2)))) &  ? [v2] :  ? [v3] : (subset(v2, v3) |  ? [v4] : (member(v4, v2) &  ~ member(v4, v3))) &  ? [v2] : (empty(v2) |  ? [v3] : member(v3, v2)) &  ? [v2] : subset(v2, v2))
% 3.03/1.46  | Instantiating (0) with all_0_0_0, all_0_1_1 yields:
% 3.03/1.46  | (1)  ~ (all_0_0_0 = empty_set) & symmetric_difference(all_0_1_1, all_0_1_1) = all_0_0_0 &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (difference(v1, v0) = v3) |  ~ (difference(v0, v1) = v2) |  ~ (union(v2, v3) = v4) | symmetric_difference(v0, v1) = v4) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (difference(v3, v2) = v1) |  ~ (difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (union(v3, v2) = v1) |  ~ (union(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (symmetric_difference(v3, v2) = v1) |  ~ (symmetric_difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (union(v1, v0) = v2) | union(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (union(v0, v1) = v2) | union(v1, v0) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (symmetric_difference(v1, v0) = v2) | symmetric_difference(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (symmetric_difference(v0, v1) = v2) | symmetric_difference(v1, v0) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (symmetric_difference(v0, v1) = v2) |  ? [v3] :  ? [v4] : (difference(v1, v0) = v4 & difference(v0, v1) = v3 & union(v3, v4) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ subset(v0, v1) |  ~ member(v2, v0) | member(v2, v1)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (union(v0, v0) = v1)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ subset(v1, v0) |  ~ subset(v0, v1)) &  ! [v0] :  ! [v1] : (v1 = empty_set |  ~ (difference(v0, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ empty(v0) |  ~ member(v1, v0)) &  ! [v0] :  ~ member(v0, empty_set) &  ? [v0] :  ? [v1] : (v1 = v0 |  ? [v2] : (( ~ member(v2, v1) |  ~ member(v2, v0)) & (member(v2, v1) | member(v2, v0)))) &  ? [v0] :  ? [v1] : (subset(v0, v1) |  ? [v2] : (member(v2, v0) &  ~ member(v2, v1))) &  ? [v0] : (empty(v0) |  ? [v1] : member(v1, v0)) &  ? [v0] : subset(v0, v0)
% 3.03/1.46  |
% 3.03/1.46  | Applying alpha-rule on (1) yields:
% 3.03/1.46  | (2)  ! [v0] :  ~ member(v0, empty_set)
% 3.03/1.46  | (3)  ? [v0] : (empty(v0) |  ? [v1] : member(v1, v0))
% 3.03/1.46  | (4)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (union(v3, v2) = v1) |  ~ (union(v3, v2) = v0))
% 3.03/1.46  | (5)  ! [v0] :  ! [v1] : (v1 = empty_set |  ~ (difference(v0, v0) = v1))
% 3.03/1.46  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (symmetric_difference(v3, v2) = v1) |  ~ (symmetric_difference(v3, v2) = v0))
% 3.03/1.46  | (7)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (union(v0, v1) = v2) | union(v1, v0) = v2)
% 3.03/1.47  | (8)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (union(v1, v0) = v2) | union(v0, v1) = v2)
% 3.03/1.47  | (9)  ! [v0] :  ! [v1] : ( ~ empty(v0) |  ~ member(v1, v0))
% 3.03/1.47  | (10)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (difference(v1, v0) = v3) |  ~ (difference(v0, v1) = v2) |  ~ (union(v2, v3) = v4) | symmetric_difference(v0, v1) = v4)
% 3.03/1.47  | (11)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (symmetric_difference(v0, v1) = v2) | symmetric_difference(v1, v0) = v2)
% 3.03/1.47  | (12)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (symmetric_difference(v1, v0) = v2) | symmetric_difference(v0, v1) = v2)
% 3.03/1.47  | (13)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (symmetric_difference(v0, v1) = v2) |  ? [v3] :  ? [v4] : (difference(v1, v0) = v4 & difference(v0, v1) = v3 & union(v3, v4) = v2))
% 3.03/1.47  | (14)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ subset(v1, v0) |  ~ subset(v0, v1))
% 3.03/1.47  | (15)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (union(v0, v0) = v1))
% 3.03/1.47  | (16) symmetric_difference(all_0_1_1, all_0_1_1) = all_0_0_0
% 3.03/1.47  | (17)  ? [v0] : subset(v0, v0)
% 3.03/1.47  | (18)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ subset(v0, v1) |  ~ member(v2, v0) | member(v2, v1))
% 3.03/1.47  | (19)  ~ (all_0_0_0 = empty_set)
% 3.03/1.47  | (20)  ? [v0] :  ? [v1] : (subset(v0, v1) |  ? [v2] : (member(v2, v0) &  ~ member(v2, v1)))
% 3.03/1.47  | (21)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (difference(v3, v2) = v1) |  ~ (difference(v3, v2) = v0))
% 3.03/1.47  | (22)  ? [v0] :  ? [v1] : (v1 = v0 |  ? [v2] : (( ~ member(v2, v1) |  ~ member(v2, v0)) & (member(v2, v1) | member(v2, v0))))
% 3.03/1.47  |
% 3.03/1.47  | Instantiating formula (13) with all_0_0_0, all_0_1_1, all_0_1_1 and discharging atoms symmetric_difference(all_0_1_1, all_0_1_1) = all_0_0_0, yields:
% 3.03/1.47  | (23)  ? [v0] :  ? [v1] : (difference(all_0_1_1, all_0_1_1) = v1 & difference(all_0_1_1, all_0_1_1) = v0 & union(v0, v1) = all_0_0_0)
% 3.03/1.47  |
% 3.03/1.47  | Instantiating (23) with all_13_0_8, all_13_1_9 yields:
% 3.03/1.47  | (24) difference(all_0_1_1, all_0_1_1) = all_13_0_8 & difference(all_0_1_1, all_0_1_1) = all_13_1_9 & union(all_13_1_9, all_13_0_8) = all_0_0_0
% 3.03/1.47  |
% 3.03/1.47  | Applying alpha-rule on (24) yields:
% 3.03/1.47  | (25) difference(all_0_1_1, all_0_1_1) = all_13_0_8
% 3.03/1.47  | (26) difference(all_0_1_1, all_0_1_1) = all_13_1_9
% 3.03/1.47  | (27) union(all_13_1_9, all_13_0_8) = all_0_0_0
% 3.03/1.47  |
% 3.03/1.47  | Instantiating formula (5) with all_13_0_8, all_0_1_1 and discharging atoms difference(all_0_1_1, all_0_1_1) = all_13_0_8, yields:
% 3.03/1.47  | (28) all_13_0_8 = empty_set
% 3.03/1.47  |
% 3.03/1.47  | Instantiating formula (21) with all_0_1_1, all_0_1_1, all_13_1_9, all_13_0_8 and discharging atoms difference(all_0_1_1, all_0_1_1) = all_13_0_8, difference(all_0_1_1, all_0_1_1) = all_13_1_9, yields:
% 3.03/1.47  | (29) all_13_0_8 = all_13_1_9
% 3.03/1.47  |
% 3.03/1.47  | Combining equations (28,29) yields a new equation:
% 3.03/1.47  | (30) all_13_1_9 = empty_set
% 3.03/1.47  |
% 3.03/1.47  | Combining equations (30,29) yields a new equation:
% 3.03/1.47  | (28) all_13_0_8 = empty_set
% 3.03/1.47  |
% 3.03/1.47  | From (30)(28) and (27) follows:
% 3.03/1.48  | (32) union(empty_set, empty_set) = all_0_0_0
% 3.03/1.48  |
% 3.03/1.48  | Instantiating formula (15) with all_0_0_0, empty_set and discharging atoms union(empty_set, empty_set) = all_0_0_0, yields:
% 3.03/1.48  | (33) all_0_0_0 = empty_set
% 3.03/1.48  |
% 3.03/1.48  | Equations (33) can reduce 19 to:
% 3.03/1.48  | (34) $false
% 3.03/1.48  |
% 3.03/1.48  |-The branch is then unsatisfiable
% 3.03/1.48  % SZS output end Proof for theBenchmark
% 3.03/1.48  
% 3.03/1.48  833ms
%------------------------------------------------------------------------------