TSTP Solution File: SET907+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET907+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n028.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 00:23:03 EDT 2022

% Result   : Theorem 2.11s 1.17s
% Output   : Proof 2.83s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SET907+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.33  % Computer : n028.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 : Sat Jul  9 21:56:11 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.57/0.59          ____       _                          
% 0.57/0.59    ___  / __ \_____(_)___  ________  __________
% 0.57/0.59   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.57/0.59  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.57/0.59  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.57/0.59  
% 0.57/0.59  A Theorem Prover for First-Order Logic
% 0.57/0.59  (ePrincess v.1.0)
% 0.57/0.59  
% 0.57/0.59  (c) Philipp Rümmer, 2009-2015
% 0.57/0.59  (c) Peter Backeman, 2014-2015
% 0.57/0.59  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.57/0.59  Free software under GNU Lesser General Public License (LGPL).
% 0.57/0.59  Bug reports to peter@backeman.se
% 0.57/0.59  
% 0.57/0.59  For more information, visit http://user.uu.se/~petba168/breu/
% 0.57/0.59  
% 0.57/0.59  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.73/0.64  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.34/0.91  Prover 0: Preprocessing ...
% 1.63/1.06  Prover 0: Warning: ignoring some quantifiers
% 1.63/1.07  Prover 0: Constructing countermodel ...
% 2.11/1.17  Prover 0: proved (526ms)
% 2.11/1.17  
% 2.11/1.17  No countermodel exists, formula is valid
% 2.11/1.17  % SZS status Theorem for theBenchmark
% 2.11/1.17  
% 2.11/1.17  Generating proof ... Warning: ignoring some quantifiers
% 2.66/1.34  found it (size 6)
% 2.66/1.34  
% 2.66/1.34  % SZS output start Proof for theBenchmark
% 2.66/1.34  Assumed formulas after preprocessing and simplification: 
% 2.66/1.34  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] : ( ~ (v4 = v1) & set_union2(v3, v1) = v4 & unordered_pair(v0, v2) = v3 & empty(v6) & in(v2, v1) & in(v0, v1) &  ~ empty(v5) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : (v8 = v7 |  ~ (set_union2(v10, v9) = v8) |  ~ (set_union2(v10, v9) = v7)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : (v8 = v7 |  ~ (unordered_pair(v10, v9) = v8) |  ~ (unordered_pair(v10, v9) = v7)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (unordered_pair(v7, v8) = v10) |  ~ subset(v10, v9) | in(v8, v9)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (unordered_pair(v7, v8) = v10) |  ~ subset(v10, v9) | in(v7, v9)) &  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (unordered_pair(v7, v8) = v10) |  ~ in(v8, v9) |  ~ in(v7, v9) | subset(v10, v9)) &  ! [v7] :  ! [v8] :  ! [v9] : (v9 = v8 |  ~ (set_union2(v7, v8) = v9) |  ~ subset(v7, v8)) &  ! [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] :  ! [v9] : ( ~ (unordered_pair(v8, v7) = v9) | unordered_pair(v7, v8) = v9) &  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (unordered_pair(v7, v8) = v9) | unordered_pair(v8, v7) = v9) &  ! [v7] :  ! [v8] : (v8 = v7 |  ~ (set_union2(v7, v7) = v8)) &  ! [v7] :  ! [v8] : ( ~ in(v8, v7) |  ~ in(v7, v8)) &  ? [v7] : subset(v7, v7))
% 2.66/1.38  | 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:
% 2.66/1.38  | (1)  ~ (all_0_2_2 = all_0_5_5) & set_union2(all_0_3_3, all_0_5_5) = all_0_2_2 & unordered_pair(all_0_6_6, all_0_4_4) = all_0_3_3 & empty(all_0_0_0) & in(all_0_4_4, all_0_5_5) & in(all_0_6_6, all_0_5_5) &  ~ empty(all_0_1_1) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (unordered_pair(v0, v1) = v3) |  ~ subset(v3, v2) | in(v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (unordered_pair(v0, v1) = v3) |  ~ subset(v3, v2) | in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) |  ~ in(v0, v2) | subset(v3, v2)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v1 |  ~ (set_union2(v0, v1) = v2) |  ~ subset(v0, v1)) &  ! [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] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) &  ? [v0] : subset(v0, v0)
% 2.66/1.39  |
% 2.66/1.39  | Applying alpha-rule on (1) yields:
% 2.66/1.39  | (2) set_union2(all_0_3_3, all_0_5_5) = all_0_2_2
% 2.66/1.39  | (3)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (unordered_pair(v0, v1) = v3) |  ~ subset(v3, v2) | in(v1, v2))
% 2.66/1.39  | (4)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1))
% 2.66/1.39  | (5)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ~ empty(v2) | empty(v0))
% 2.66/1.39  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 2.66/1.39  | (7)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ~ empty(v2) | empty(v0))
% 2.66/1.39  | (8)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) |  ~ in(v0, v2) | subset(v3, v2))
% 2.83/1.39  | (9) in(all_0_4_4, all_0_5_5)
% 2.83/1.39  | (10)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.83/1.39  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (unordered_pair(v0, v1) = v3) |  ~ subset(v3, v2) | in(v0, v2))
% 2.83/1.39  | (12) empty(all_0_0_0)
% 2.83/1.39  | (13)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0))
% 2.83/1.39  | (14)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 2.83/1.39  | (15)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2)
% 2.83/1.39  | (16)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2)
% 2.83/1.39  | (17)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) | set_union2(v0, v1) = v2)
% 2.83/1.39  | (18) in(all_0_6_6, all_0_5_5)
% 2.83/1.39  | (19)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v1 |  ~ (set_union2(v0, v1) = v2) |  ~ subset(v0, v1))
% 2.83/1.40  | (20) unordered_pair(all_0_6_6, all_0_4_4) = all_0_3_3
% 2.83/1.40  | (21)  ~ (all_0_2_2 = all_0_5_5)
% 2.83/1.40  | (22)  ~ empty(all_0_1_1)
% 2.83/1.40  | (23)  ? [v0] : subset(v0, v0)
% 2.83/1.40  |
% 2.83/1.40  | Instantiating formula (8) with all_0_3_3, all_0_5_5, all_0_4_4, all_0_6_6 and discharging atoms unordered_pair(all_0_6_6, all_0_4_4) = all_0_3_3, in(all_0_4_4, all_0_5_5), in(all_0_6_6, all_0_5_5), yields:
% 2.83/1.40  | (24) subset(all_0_3_3, all_0_5_5)
% 2.83/1.40  |
% 2.83/1.40  | Instantiating formula (19) with all_0_2_2, all_0_5_5, all_0_3_3 and discharging atoms set_union2(all_0_3_3, all_0_5_5) = all_0_2_2, subset(all_0_3_3, all_0_5_5), yields:
% 2.83/1.40  | (25) all_0_2_2 = all_0_5_5
% 2.83/1.40  |
% 2.83/1.40  | Equations (25) can reduce 21 to:
% 2.83/1.40  | (26) $false
% 2.83/1.40  |
% 2.83/1.40  |-The branch is then unsatisfiable
% 2.83/1.40  % SZS output end Proof for theBenchmark
% 2.83/1.40  
% 2.83/1.40  798ms
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