TSTP Solution File: SET987+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET987+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n017.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 00:23:38 EDT 2022

% Result   : Theorem 2.05s 1.20s
% Output   : Proof 2.84s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET987+1 : TPTP v8.1.0. Released v3.2.0.
% 0.13/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.13/0.34  % Computer : n017.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  : 600
% 0.13/0.34  % DateTime : Sun Jul 10 11:19:32 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.58/0.60          ____       _                          
% 0.58/0.60    ___  / __ \_____(_)___  ________  __________
% 0.58/0.60   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.58/0.60  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.58/0.60  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.58/0.60  
% 0.58/0.60  A Theorem Prover for First-Order Logic
% 0.58/0.60  (ePrincess v.1.0)
% 0.58/0.60  
% 0.58/0.60  (c) Philipp Rümmer, 2009-2015
% 0.58/0.60  (c) Peter Backeman, 2014-2015
% 0.58/0.60  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.58/0.60  Free software under GNU Lesser General Public License (LGPL).
% 0.58/0.60  Bug reports to peter@backeman.se
% 0.58/0.60  
% 0.58/0.60  For more information, visit http://user.uu.se/~petba168/breu/
% 0.58/0.60  
% 0.58/0.60  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.76/0.65  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.34/0.92  Prover 0: Preprocessing ...
% 1.75/1.08  Prover 0: Constructing countermodel ...
% 2.05/1.20  Prover 0: proved (545ms)
% 2.05/1.20  
% 2.05/1.20  No countermodel exists, formula is valid
% 2.05/1.20  % SZS status Theorem for theBenchmark
% 2.05/1.20  
% 2.05/1.20  Generating proof ... found it (size 6)
% 2.67/1.39  
% 2.67/1.39  % SZS output start Proof for theBenchmark
% 2.67/1.39  Assumed formulas after preprocessing and simplification: 
% 2.67/1.39  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] : ( ~ (v4 = v1) & singleton(v0) = v2 & set_difference(v3, v2) = v4 & set_union2(v1, v2) = v3 & empty(v6) &  ~ empty(v5) &  ~ in(v0, v1) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : (v10 = v7 |  ~ (singleton(v8) = v9) |  ~ (set_difference(v7, v9) = v10) | in(v8, v7)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : (v8 = v7 |  ~ (set_difference(v10, v9) = v8) |  ~ (set_difference(v10, v9) = v7)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : (v8 = v7 |  ~ (set_union2(v10, v9) = v8) |  ~ (set_union2(v10, v9) = v7)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (set_difference(v9, v8) = v10) |  ~ (set_union2(v7, v8) = v9) | set_difference(v7, v8) = v10) &  ! [v7] :  ! [v8] :  ! [v9] : (v8 = v7 |  ~ (singleton(v9) = v8) |  ~ (singleton(v9) = v7)) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (singleton(v8) = v9) |  ~ (set_difference(v7, v9) = v7) |  ~ in(v8, v7)) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (set_difference(v7, v8) = v9) |  ? [v10] : (set_difference(v10, v8) = v9 & set_union2(v7, v8) = v10)) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (set_union2(v8, v7) = v9) |  ~ empty(v9) | empty(v7)) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (set_union2(v8, v7) = v9) | set_union2(v7, v8) = v9) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (set_union2(v7, v8) = v9) |  ~ empty(v9) | empty(v7)) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (set_union2(v7, v8) = v9) | set_union2(v8, v7) = v9) &  ! [v7] :  ! [v8] : (v8 = v7 |  ~ (set_union2(v7, v7) = v8)) &  ! [v7] :  ! [v8] : ( ~ in(v8, v7) |  ~ in(v7, v8)))
% 2.84/1.43  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4, all_0_5_5, all_0_6_6 yields:
% 2.84/1.43  | (1)  ~ (all_0_2_2 = all_0_5_5) & singleton(all_0_6_6) = all_0_4_4 & set_difference(all_0_3_3, all_0_4_4) = all_0_2_2 & set_union2(all_0_5_5, all_0_4_4) = all_0_3_3 & empty(all_0_0_0) &  ~ empty(all_0_1_1) &  ~ in(all_0_6_6, all_0_5_5) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (singleton(v1) = v2) |  ~ (set_difference(v0, v2) = v3) | in(v1, v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (set_union2(v0, v1) = v2) | set_difference(v0, v1) = v3) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v1) = v2) |  ~ (set_difference(v0, v2) = v0) |  ~ in(v1, v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_difference(v0, v1) = v2) |  ? [v3] : (set_difference(v3, v1) = v2 & set_union2(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ~ empty(v2) | empty(v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) | set_union2(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ~ empty(v2) | empty(v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.84/1.43  |
% 2.84/1.43  | Applying alpha-rule on (1) yields:
% 2.84/1.43  | (2)  ~ (all_0_2_2 = all_0_5_5)
% 2.84/1.43  | (3)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 2.84/1.43  | (4)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ~ empty(v2) | empty(v0))
% 2.84/1.43  | (5) empty(all_0_0_0)
% 2.84/1.43  | (6)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ~ empty(v2) | empty(v0))
% 2.84/1.43  | (7)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0))
% 2.84/1.44  | (8)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (singleton(v1) = v2) |  ~ (set_difference(v0, v2) = v3) | in(v1, v0))
% 2.84/1.44  | (9)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_difference(v0, v1) = v2) |  ? [v3] : (set_difference(v3, v1) = v2 & set_union2(v0, v1) = v3))
% 2.84/1.44  | (10)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1))
% 2.84/1.44  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (set_union2(v0, v1) = v2) | set_difference(v0, v1) = v3)
% 2.84/1.44  | (12)  ~ empty(all_0_1_1)
% 2.84/1.44  | (13)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.84/1.44  | (14) singleton(all_0_6_6) = all_0_4_4
% 2.84/1.44  | (15) set_difference(all_0_3_3, all_0_4_4) = all_0_2_2
% 2.84/1.44  | (16)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0))
% 2.84/1.44  | (17) set_union2(all_0_5_5, all_0_4_4) = all_0_3_3
% 2.84/1.44  | (18)  ~ in(all_0_6_6, all_0_5_5)
% 2.84/1.44  | (19)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v1) = v2) |  ~ (set_difference(v0, v2) = v0) |  ~ in(v1, v0))
% 2.84/1.44  | (20)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2)
% 2.84/1.44  | (21)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) | set_union2(v0, v1) = v2)
% 2.84/1.44  |
% 2.84/1.44  | Instantiating formula (11) with all_0_2_2, all_0_3_3, all_0_4_4, all_0_5_5 and discharging atoms set_difference(all_0_3_3, all_0_4_4) = all_0_2_2, set_union2(all_0_5_5, all_0_4_4) = all_0_3_3, yields:
% 2.84/1.44  | (22) set_difference(all_0_5_5, all_0_4_4) = all_0_2_2
% 2.84/1.44  |
% 2.84/1.44  | Instantiating formula (8) with all_0_2_2, all_0_4_4, all_0_6_6, all_0_5_5 and discharging atoms singleton(all_0_6_6) = all_0_4_4, set_difference(all_0_5_5, all_0_4_4) = all_0_2_2,  ~ in(all_0_6_6, all_0_5_5), yields:
% 2.84/1.44  | (23) all_0_2_2 = all_0_5_5
% 2.84/1.44  |
% 2.84/1.44  | Equations (23) can reduce 2 to:
% 2.84/1.44  | (24) $false
% 2.84/1.44  |
% 2.84/1.44  |-The branch is then unsatisfiable
% 2.84/1.44  % SZS output end Proof for theBenchmark
% 2.84/1.44  
% 2.84/1.44  833ms
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